技术规格书

技术规格书 Full Specification For 5200 DWT OIL PRODUCT/CHEMICAL TANKER Prepared By CS Marine Technology NSH2004- 005T-S _______________________________________ Navytime Shipping NV ______________________________ Nanjing Shenghua Shipbuilding Co., Ltd _______________________ CS Marine Technology Corp. Date: Jan 13, 2004 5200 DWT OIL PRODUCT/CHEMICAL TANKER FULL SPECIFICATION Table Of Contents 100 General Guidance and Administration ............................................... 9 101 Intent, Scope and General Guidance ................................................. 9 102 General Description ......................................................................... 12 103 Class Notation and Flag ................................................................... 14 104 Regulations ...................................................................................... 15 105 Certificates ....................................................................................... 16 106 Material ............................................................................................ 17 107 Workmanship ................................................................................... 18 108 Spare Parts, tools and Accessories ................................................. 18 109 Unit of Measure ................................................................................ 19 110 Operating Temperature .................................................................... 19 111 Definitions Used In This Specification .............................................. 19 112 Language ......................................................................................... 20 113 Owner Supplied Items ...................................................................... 20 114 Hull Form & Model Test ................................................................... 21 115 Trim And Stability ............................................................................. 21 116 Determination Of Deadweight .......................................................... 24 117 Building Process .............................................................................. 25 118 Dry Docking...................................................................................... 25 119 Inspection Tests and Trials .............................................................. 26 1191 General ...................................................................................... 26 1192 Progress .................................................................................... 27 1193 Tests and Inspection .................................................................. 27 1194 Mooring Trial .............................................................................. 29 1195 Sea Trial .................................................................................... 29 120 Plans For Approval ........................................................................... 31 121 Finished Plan And Instruction Books ................................................ 32 122 Name Plates And Identifications ...................................................... 32 123 Delivery ............................................................................................ 33 124 Exemption ........................................................................................ 33 200 General Particulars .......................................................................... 34 201 Principle Dimensions ........................................................................ 34 Page 2 of 156 5200 DWT OIL PRODUCT/CHEMICAL TANKER FULL SPECIFICATION 202 Speed and Endurance ..................................................................... 34 203 Installed Power................................................................................. 34 204 Deadweight and Capacity ................................................................ 35 205 Cargo List ......................................................................................... 36 206 Bow Thruster .................................................................................... 36 207 Deck Heights, Sheer And Camber ................................................... 36 2071 Height Between Decks At Centerline ......................................... 36 2072 Shear On Main Deck ........................................................................ 37 2073 Camber of Decks ............................................................................. 37 208 Complement ..................................................................................... 37 300 Hull Structure ................................................................................... 38 301 General ............................................................................................ 38 302 Material and Welding ....................................................................... 39 303 Main Hull .......................................................................................... 41 304 Stem and Stern ................................................................................ 42 305 Keel Plate ......................................................................................... 43 306 Shell Plating ..................................................................................... 43 307 Bottom Structrue .............................................................................. 43 308 Side Shell Structure ......................................................................... 44 309 Decks ............................................................................................... 44 310 Pillars ............................................................................................... 44 311 Bulkhead .......................................................................................... 44 312 Peak Tanks ...................................................................................... 45 313 Superstructure and Deck House ...................................................... 45 314 Rudder ............................................................................................. 46 315 Miscellaneous .................................................................................. 47 3151 Foundations ............................................................................... 47 3152 Bulwark and Hand Rails ............................................................. 48 3153 Catwalk and Sidewalk ................................................................ 48 3154 Bilge Keel ................................................................................... 49 3155 Chain Locker .............................................................................. 49 3156 Hawse Pipes .............................................................................. 49 3157 Sea Chests and Box Cooler ....................................................... 50 3158 Bottom Plug ............................................................................... 50 Page 3 of 156 5200 DWT OIL PRODUCT/CHEMICAL TANKER FULL SPECIFICATION 3159 Funnel ........................................................................................ 50 400 Paint and Corrosion Control ...................................................... 51 401 General ............................................................................................ 51 402 Surface Preparation ......................................................................... 52 4021 Primary Preparation ................................................................... 52 4022 Galvanizing ................................................................................ 53 4023 Secondary Preparation .............................................................. 53 403 Shop Primer ..................................................................................... 54 404 Paint Works ...................................................................................... 54 405 Film Thickness ................................................................................. 55 406 Measuring ........................................................................................ 55 407 Inspection ......................................................................................... 55 408 General Cautions ............................................................................. 55 409 Paint Schedule ................................................................................. 56 4091 Ballast Tanks Coating ................................................................ 56 4092 Cargo Oil Tanks Coating ............................................................ 56 4093 Decks Superstructures and Other Places Coating ..................... 56 4094 Painting Scheme ........................................................................ 56 410 Cathodic protection .......................................................................... 58 411 Antifouling System for Box Coolers .................................................. 58 500 Accommodation ............................................................................... 59 500 Accommodation ............................................................................... 59 501 General ............................................................................................ 59 502 Deck Covering.................................................................................. 59 503 Insulation and Fire Protection........................................................... 60 504 Cabin Furnishing and Fittings........................................................... 62 5041 Captain and Chief Engineer Class ............................................. 62 5042 One Man Cabins ........................................................................ 63 5043 Two Men Cabins ........................................................................ 63 5044 Wash Place Fittings ................................................................... 64 5045 Laundry Equipment .................................................................... 64 5046 Galley ......................................................................................... 64 5047 Wheel House ............................................................................. 65 5048 Interior Doors ............................................................................. 66 Page 4 of 156 5200 DWT OIL PRODUCT/CHEMICAL TANKER FULL SPECIFICATION 5049 Engine Control Room ................................................................. 67 50410 Cargo Control Room and Ships office to be combined Office .... 67 50411 Crew and Officer Mess Rooms .................................................. 68 50412 Dry Provision Store .................................................................... 69 50413 Refrigerated Provision Store ...................................................... 69 50414 Forward Stores .......................................................................... 70 50415 Steering Gear Compartment ...................................................... 70 50416 Radio Space .............................................................................. 70 50417 Emergency Generator Room ..................................................... 70 50418 Workshop ................................................................................... 70 50419 Changing Room ......................................................................... 71 50420 Paint Store ................................................................................. 71 50421 Deck/Engine Store ..................................................................... 71 600 Deck Machinery and Outfitting ......................................................... 72 601 General ............................................................................................ 72 602 Anchor Windlasses .......................................................................... 73 603 Steering Gear ................................................................................... 73 604 Stern Mooring Winch ..................................................................... 74 605 Provision Handling Davit .................................................................. 75 606 Hose Handling Crane ....................................................................... 75 607 Mooring Fitting ................................................................................. 75 608 Manifold ........................................................................................... 76 609 Oil Spill Drain Tank .......................................................................... 76 610 Mooring Equipment .......................................................................... 76 611 Ladders and Steps ........................................................................... 77 6111 Accommodation Ladders ........................................................... 77 6112 Steel Ladder and Steps ............................................................. 77 612 Access Hatch and Manhole ............................................................. 78 6121 Access Hatch and Manhole for Cargo Oil Tanks ....................... 78 6122 Access Manhole for Water Ballast Tank .................................... 78 6123 Tank Cleaning Hatch ................................................................. 79 6124 Sample Hatches......................................................................... 79 6124 Small Hatches ............................................................................ 79 6125 Manholes ................................................................................... 79 Page 5 of 156 5200 DWT OIL PRODUCT/CHEMICAL TANKER FULL SPECIFICATION 613 Life Saving Appliances ..................................................................... 80 614 Fire Fighting System ........................................................................ 81 615 Fire Hydrant System ........................................................................ 82 616 Foam Fire Extinguish System .......................................................... 82 617 CO Smothering System .................................................................. 83 2 618 Emergency Fire Pump ..................................................................... 83 619 Personal Protection .......................................................................... 84 620. Fire Fighting System ............................................................................. 85 700 Equipment for Cargo ........................................................................ 86 701 General ............................................................................................ 86 702 Loading and Discharge System for Liquid Cargo ............................. 87 7021 Cargo & Stripping/Slop Pumps .......................................................... 87 703 Cargo Heating System ..................................................................... 90 704 Cargo Tank Vent/Gas Free System ................................................. 91 7041 Cargo Tank Ventilation .............................................................. 91 7042 Gas Freeing System .................................................................. 92 705. Vapour Return System.......................................................................... 92 706 Tank Cleaning System ..................................................................... 93 707 Auxiliary System & Equipment for Cargo ......................................... 95 708 Cargo Control Room ........................................................................ 96 709 Oil Discharge Monitoring and Control .............................................. 97 800 Hull Piping System ........................................................................... 98 801 Ballast System ................................................................................. 98 802 Bilge Piping .................................................................................... 100 803 Drainage System ............................................................................ 101 804 Sounding System ........................................................................... 101 805 Air-conditioning System ................................................................. 102 806 Mechanical Ventilation ................................................................... 103 807 Natural Ventilation .......................................................................... 105 900 Machinery Part ............................................................................... 106 901 General .......................................................................................... 106 902 Principal Particulars of Machinery .................................................. 108 9021 Main Engine ............................................................................. 108 9022 Flexible couplings .................................................................... 108 Page 6 of 156 5200 DWT OIL PRODUCT/CHEMICAL TANKER FULL SPECIFICATION 9023 Reduction gearbox ................................................................... 109 9024 Shaft and Propeller .................................................................. 109 9025 Boiler Plant .............................................................................. 111 9026 Electric Generating Plant ......................................................... 112 9027 Compressed Air Plant: ............................................................. 115 9028 Pumps ...................................................................................... 116 9029 Oil purifier ................................................................................ 119 90210 Fresh Water Generator: ........................................................... 120 90211 Heat Exchangers/Box coolers .................................................. 120 90212 Engine room ventilating fans .................................................... 121 90213 Incinerator ................................................................................ 122 90214 Sewage Treatment Plant ......................................................... 123 903 Piping System in Engine Room ...................................................... 123 9031 Material for Pipes and Valves ......................................................... 123 9032 Fuel oil system ......................................................................... 127 9033 Lub. oil system ......................................................................... 130 9034 Cooling Water System ............................................................. 132 9035 Compressed air system ........................................................... 134 9036 Exhaust Gas System ............................................................... 136 904 Workshop Machinery in Engine Room ........................................... 136 905 Miscellaneous Equipment in Engine Room .................................... 137 906 Automatic Control and Monitoring Instrumentation ........................ 137 9061 General .................................................................................... 137 9062 Manoeuvring control system .................................................... 137 9063 Alarm / Monitoring system ....................................................... 139 9064 Boiler automatic system ........................................................... 141 9065 Generator control system ......................................................... 141 9066 Monitoring System for Liquid Tanks ......................................... 141 1000 Electric System ................................................................................ 143 1001 General .......................................................................................... 143 1002 Power System ................................................................................ 143 1003 Adoption of Cable ........................................................................... 144 1004 Primary Source .............................................................................. 146 1005 Main Switchboard ........................................................................... 148 Page 7 of 156 5200 DWT OIL PRODUCT/CHEMICAL TANKER FULL SPECIFICATION 1006 Emergency Switchboard ................................................................ 149 1007 Shore Connection Box ................................................................... 149 1008 Secondary Source .......................................................................... 149 1009 Distribution System ........................................................................ 150 1010 Power System ................................................................................ 150 1011 Lighting System.............................................................................. 151 1012 Navigation Lights and Signal Lights ............................................... 151 1013 Internal Communication, Alarm & Measuring System .................... 152 1014 Electric Nautical Equipment ........................................................... 154 1015 Radio Equipment............................................................................ 155 Page 8 of 156 5200 DWT OIL PRODUCT/CHEMICAL TANKER FULL SPECIFICATION 100 General Guidance and Administration 101 Intent, Scope and General Guidance This specification and accompanying plan is released by CS Marine Technology (here after called CSMT) for the purpose of describing and setting forth the design material, construction and equipment of a sea going single screw controlled pitch propeller diesel engine driven Product 0Oil/Chemical Tanker having flashing point at or below 60C or without flash point limitation. Following contract plans shall accompany and as part of this specification; , General Arrangement Plan , Midship Section Drawing (Subject to the change as per rule requirement) , Cargo Oil Piping System , Maker List This specification and accompanied drawings shall form an integral part of the contract. The vessel will be designed, constructed, equipped, tested and delivered to the owner by the Builder in accordance with the specification and working plans. Details in design, construction, fabrication, installation, inspection, tests, workmanship etc. not covered by these Specifications shall be in accordance with the Builder?s Subcontractor?s/Manufacturer?s practices based on the appropriate standards for this kind of vessel being adopted at the time of Vessel?s construction. Materials, apparatus and equipment shall be in accordance with the Japanese Industrial Standards/equivalent ISO, or equivalent Chinese standard . Any item or construction necessary to complete the vessel safe and Page 9 of 156 5200 DWT OIL PRODUCT/CHEMICAL TANKER FULL SPECIFICATION workable for its intended purpose shall be supplied and installed by the Builder whether mentioned in the Specification or not as a mutual agreement between the Builder and the Owner. It is to be understood that anything not mentioned in these Specifications but required by the Classification Society or Regulatory Bodies listed herein, shall be supplied and/or equipped by the Builder. Any requirement of the Owner, which is in excess of the requirements of the Rules and Regulations as specified in 104 and 105 and/or the content of this specifications shall be subject to adjustment to the contract price, deadweight, etc, which may be effected, in notified in writing by the Builder and accepted in writing by the Owner. If the same item is repeated twice or more in these Specifications, it is to be understood that these items shall be supplied and/or equipped once only. If any inconsistency is found between the Contract, Specification and/or accompanied plans, the former one shall prevail and govern unless otherwise agreed. If any inconsistency is found between the Hull, Machinery and Electric Specifications, the description of the Specifications which governs the installation or equipment shall prevail. Any amendments or changes in Rules and Regulations as described in 104 and 105 issued and coming into effect after signing the Contract, is to be treated as a modification to the Contract. The price of changing Contract shall be subject to separate negotiations between the Owner and the Builder. Any amendment or changes in this Specification and/or Plans shall be treated in a similar way as set out above. Page 10 of 156 5200 DWT OIL PRODUCT/CHEMICAL TANKER FULL SPECIFICATION If the Owner will desire to apply the said amendment and/or changes to the vessel, the Builder shall submit in a written document, the affects on the ship?s price, deadweight, delivery date or any other item which may affect the Contract. These amendments or changes shall come into effect after the agreement is reached between the Owner and the Builder, and a written consent has to be signed between both parties. Whenever the term “or equal” is used after a brand or a type or a type of machinery equipment or component, the term “or equal” shall mean that any substitute shall be of equivalent standard and quality. Where ever in the Specification the term “or” , “ if necessary”, when considered” and other similar expressions may be used, the final choice in all important matters are to be made by mutual agreement between Builder and Owner. Details in design, construction, installation, inspection, test, workmanship etc., not covered by the Specification, shall be in accordance with good international shipbuilding practices based on the appropriate standards for this kind of Vessel being adopted at the time of Vessel?s construction, being generally used by international shipyards and agreed by the Owner. The Builder shall furnish all items required for the completion of the vessel in accordance with this specification except items specifically stated herein as to be furnished and supplied by the Owner. The description in 100 General Guidance and Administration shall be applied to all parts of the Specification, whereas in the parts the description to be applied to the respective parts, if not stated otherwise. The design and layout of machinery, electrical and automation system, ventilation and air condition to be suitable for following environmental Page 11 of 156 5200 DWT OIL PRODUCT/CHEMICAL TANKER FULL SPECIFICATION condition: oAmbient air temperature 40 C / - 20 c oAir temperature in engine room 45 C oSea water temperature 32 C – 2c oRel, humidity max / non condensing 50 C Sand and dust laden wind at times Max, noise level in accordance with the Solas and IMO rule and Class COMF rules but not exceed the following: Wheelhouse 65 db Wheelhouse wings 60 db Office/Control rooms 65 db Mesrooms 65 db Cabins 60 db. Engine room 110 db Galley 75 db. Makers List. See the makers list. 102 General Description This ship is an Oil Product / Chemical Tanker designed primarily to load and carry petroleum product oil and IMO type II chemicals. The deadweight of the vessel is 5200 metric tons at design draft. All cargo tanks, slop tanks and deck tanks shall be able to fully load cargoes with specific gravity up to 31.025 mt/m. Partially lading of heavy cargo with specific gravity up to 1.4 3mt/m at about 73% of full for each tank shall be allowed. The cargo tanks, slop tanks and deck tanks shall be suitable for cargo with flash point under 060C or without flash point limitation. The vessel shall be designed to meet the requirements of providing world wide trading service to transport Product Oil/Chemicals. The vessel shall be designed as modern looking chemical tanker with a totally enclosed bridge and separate funnel, a free fall boat on stern and a streamlined bulbous bow construction. The design shall be approved by the Owner Page 12 of 156 5200 DWT OIL PRODUCT/CHEMICAL TANKER FULL SPECIFICATION prior to the construction. There are six pairs of cargo oil tanks, one pair of slop tank under main deck and one pair of deck tank on main deck. Deck tanks and slop tanks can be used as cargo tanks as well. The cargo oil tanks, slop tanks and deck tanks are of mild steel with internal surround coat. Six pairs of ballast tanks are arranged at the wing tanks and double bottom tanks within the cargo oil space. Fore peak shall be used as water ballast tanks as well. Three sets of twin screw type pumps driven by separate electric motors controlled by frequency converters and controlled from the cargo control room. are provided to handle the cargo loading/unloading. The rpm of the cargo pumps drive elec.motors shall be adjustable between the allowable minimum and maximum rpm. . The cargo oil loading/unloading piping system is able to load and discharge three different grades of cargo oil simultaneously without contamination. The cargo lines for all cargo tanks, slop tanks and deck tanks shall be provided. The cargo oil details shall refer to the agreed Cargo Oil Diagram One pair of deep fuel oil tank in double bottom and double side shall be arranged in engine room forward. The engine room to be separated from cargo spaces by means of cargo pump room. Propulsion is provided by means of one marine diesel medium speed engines located in the engine room after. One controlled pitch propeller is installed and is driven by a single – in, single – out reduction gearbox. Maneuvering is accomplished via one balanced flap type or fish tail type rudders and one electrically driven bow thruster. Electrical power may be generated by shaft generator during voyage, how ever the speed of the vessel will be affected accordantly if shaft generator is used. One generator when idle in port. For discharging with three cargo oil pumps two generators should be used. Emergency generator can be used parallel with two main generators.. Page 13 of 156 5200 DWT OIL PRODUCT/CHEMICAL TANKER FULL SPECIFICATION Accommodation for 14 crews is provided at the after of the ship. In order to reduce the vibration and noise, crew's accommodations, bridge, etc. shall be located at the forepart of deck house, funnel shall be arranged on accommodation deck. One light mast shall be arranged at the end of forecastle, one signal mast (radar mast) shall be arranged at the top of the bridge. And also one flood light post shall be provided near the midship manifold, port and starboard respectively. 103 Class Notation and Flag The vessel including its hull, machinery and equipment shall be build to the class of Bureau Veritas (BV).(hereinafter called the “Classification Society” Or “Class”) or equivalent classification society (will be decided by the Owner) with following notation; I , HULL OIL TANKER/CHEMICAL TANKER TYPE IMO II ESP, 0FLASH POINT < 60C, , MACH UNRESTRICTED NAVIGATION AUT – UMS MON – SHAFT IC Some class notation has been changed recently. The new class notations must be followed The vessel will be registered under the Panama Flag or Antiqua Flag and Barbuda flag or Isle of Man Flag. The buyer should declare the flag state 3 months after signing the contract. Page 14 of 156 5200 DWT OIL PRODUCT/CHEMICAL TANKER FULL SPECIFICATION The owner shall assist to provide specific regulation of the flag state only when flag will be Isle of Man. 104 Regulations The vessel must comply with the flag authorities and following international rules and regulations. All rules and regulations shall be updated with latest amendments if any. , Rules and Regulations of the Classification Society 2003 and it's Amendments (hereinafter called as “CLASS Rules”) , National Maritime regulation of the Country of Registry , International Convention for the Safety of Life at Sea, 1974 (SOLAS), including first Amendments 1978, second set of Amendments1981, 1983, 1988(GMDSS), 1989, 1990, 1991, 1992, 1994, 1996, 1997, 1998, and 2000. , International Convention for the Prevention of Pollution from Ships, 1973 (MARPOL 1973) and Amendments of 1984, 1985, 1987, 1989, 1990, 1991, 1992, 1994, 1997 and 1998 including Reg. 13F and Annex I, II, IV, V and VI for Nox. , Code for the construction and equipment for ships carrying dangerous chemicals in bulk(IBC code). , Convention on the International Regulations for Preventing Collisions at Sea, 1972(COLREG 1972) and Amendments of 1981, 1987 and 1989. , International Convention on Load Lines 1966 and Amendments of 1979. , International Conversion on Tonnage Measurement of ships, 1969. , International Electro-technical Commission (IEC) Regulation for Electrical Installation on Ships. 9027 IMO Resolution A-468 (XII), Code on Noise levels on board ships 9028 ILO Concerning Crew Accommodation on Board (No.92 & No.133) 9029 ISO No.6954 Guidelines for the Overall Evaluation of Vibration in Merchant Ships, 1979 and its Amendments of 1984. 9030 OCIMF – Standards for Tanker Manifolds and Associated Equipment 1998 for reference only 9031 IMO Standards & instructions concerning ventilation cleaning and Page 15 of 156 5200 DWT OIL PRODUCT/CHEMICAL TANKER FULL SPECIFICATION gas-freeing of oil tanks 9032 Exxon Minimum Safety Requirements, 2000 (for reference only) 9033 IMO draft guidelines on Navigation Bridge Visibility 9034 IMO Resolution A.751 (XVII) Interim Standards for Ship Manoeuvrability 9035 Suez Canal Navigation Rules Tonnage measurements 9036 Panama Canal Navigation Regulation (for reference only) 9037 Kiel Canal Regulations 9038 Suez Canal Navigation Rules Tonnage measurements 105 Certificates The builder shall obtain following certificates and deliver to owner at the time of the ship?s delivery unless otherwise mentioned. Each certificate shall be delivered as triplicates, one original and two copies. No. Name of Certificate Issued by 1 Classification Certificate for Class Notation Class 2 International Load Line Certificate Class 3 Safety Construction Certificate Class 4 Safety Equipment Certificate Class 5 Safety Radiotelephone Certificate, incl. GMDSS Class 6 Safety Cargo Gear Certificate Class 7 Classification Certificates for Anchor, Chains and Class Hawsers, Machinery and Equipment. 8 Certificate for Life Boats & Life Saving Equipment Class 9 Certificate for Navigation Light & Special Signal Light Class 10 Certificate for Crews? Accommodation Class 11 Certificate for Deadweight Class 12 International Tonnage Certificate, including the SBT Class calculation. 13 International Oil Pollution Prevention Certificate Class 14 Certificate for Compass Adjustment & Direction Finder Government 15 Cargo Tank Calibration Tables the parties will be mutual agreed between buyer and builder Page 16 of 156 5200 DWT OIL PRODUCT/CHEMICAL TANKER FULL SPECIFICATION No. Name of Certificate Issued by 16 Deratting Exemption Certificate Chinese Government 17 Certificate for Magnetic Compass Builder 18 Builder?s Certificate Builder 19 P & A Manual Builder/Class SMPPEP Manual. Builder/Class 20 SOLAS Training Manual incl. The FSOP (Fire Safety Builder/Class Operation Plan Manual) 21 International Pollution Prevention Certificate For The Class. Carriage Of Noxious Liquid Substances In Bulk (NLS Certificate) 106 Material Structural steel material of main hull structure shall be of quality as required by the Class and shall be free of cracks, lamination, surface defects and other similar defects. Manufacturer?s standard type, size and materials of machinery, equipment and fittings shall be adopted, unless otherwise specifically described in the Specification provided above reference to standards are met and provided according to good international standard. If any of the materials or equipment described in the Specification is not available, the Builder may supply other materials or equipment capable of meeting the requirements of the Classification Society and of the Rules and Regulations. Substitution of the materials or equipment shall be subject to the provisions of the Contract. No asbestos to be used in/on the Vessel. Quality and constructional arrangement shall be made to ensure easy and future maintenance as far as practically possible for all machinery and Page 17 of 156 5200 DWT OIL PRODUCT/CHEMICAL TANKER FULL SPECIFICATION equipment. If any of the specific description for the machinery or equipment in the Specification is not consistent with the finally selected manufacturer?s standard specification, then the detail design shall follow the manufacturer?s standard specification, provided the manufacturer?s standards are according to good international standard. Stainless steel without grade notation in the specification shall mean Chinese Standard equivalent to JIS SUS 304. Grease nipples shall be of pin type JIS B 1575 1/8” or equivalent ISO standard, but only one type to be used throughout the vessel at Builder?s option. All materials shall be new and unused. Damages occurring to materials shall be suitably corrected or replaced with new before delivery of the vessel. 107 Workmanship All workmanship used in the construction of the vessel shall be in accordance with good international shipbuilding practice and all applicable rules, regulations and standards. Special care shall be paid to secure easy future maintenance for all constructional/design arrangement. 108 Spare Parts, tools and Accessories Spare parts, tools and accessories for the machinery and equipment shall be supplied in accordance with the Class recommendations and the manufacturer?s standards for one year spare parts supply, unless otherwise specifically described in the Specification. A reasonable amount of additional spare parts supplied by the Owner should, however, be placed onboard during the outfitting period without extra cost. Page 18 of 156 5200 DWT OIL PRODUCT/CHEMICAL TANKER FULL SPECIFICATION Following spares shall be equipped for each ship in addition to the above items; One controllable propeller?s blade One spare anchor 109 Unit of Measure Metric system shall be adopted for design and construction of hull, machinery, equipment, etc, in general. All measuring units such as power, pressure gauge, thermometer, volume gauge, tanks scales etc., to be in accordance with metric system unless specially required by the Owner?s at early designing stage. 110 Operating Temperature Operating temperature of all exposed deck equipment such as, but not limited to, cranes, windlasses, hydraulic aggregates, hatch covers, navigating equipment shall be minus 20 degrees Centigrade. 111 Definitions Used In This Specification The following standards to be applied on construction of the vessel: Japanese Industrial Standards (JIS) or equivalent ISO standards. The Builder may alternatively use the following equivalent Chinese Standards, provided it is documented to Owner?s supervisors, that these standards have quality level and dimensions at least equivalent to the comparable JIS/ISO: Chinese Industrial Standard (GB) Chinese shipbuilding Standard (CB) Builder?s Engineering Standard Chinese Metallurgical Standard (YB) Chinese Machinery and Electric Standard (JB) The ISO Standard to be applied as far as possible. Special care to be paid of having standard for securing inter changeability Page 19 of 156 5200 DWT OIL PRODUCT/CHEMICAL TANKER FULL SPECIFICATION of flanges, grease nipples etc. 112 Language All documents and drawings for design and construction of the Vessel which shall be submitted to the Owner shall be prepared in English. 113 Owner Supplied Items Following items shall be furnished and supplied by the Owner at their own expense, and received, stored and installed on the vessel by the Builder. 9034 All hoses, etc., other than those required by the Rules, or mentioned in this Specification. 9035 Steel wires, ropes and hawsers for mooring in excess of the requirements of the Classification Society and/or this specification. 9036 Steel wires, ropes and hawsers for mooring in excess of the requirements of the Classification Society and/or this specification. 9037 Deck, engine and cabin stores in excess of those specified in this Specification. 9038 All bedding (pillows, blankets, sheets, covers, etc.) but excluding mattresses. 9039 All napery (serviettes, table cloths, etc.) 9040 All cook?s and steward?s utensils (crockery, cutlery, silver-wares, china, glasses, pots, pans, etc.) 9041 All chandlery (soaps, lamp oil, etc. ) toilet papers, food and other consumables. 9042 All charts, sailing books and flags. 9043 All consumable stores. 9044 All medicine and medical equipment. 9045 All air tools and hoses except those specified herein. 9046 Personal calculators. 9047 All medicine and medical equipment. 9048 Recreational equipment other than mentioned in this Specifications. 9049 Typewriter and other office machines. 9050 Air tools and hoses in excess of those specified in this Specification. 9051 Hand tools other than specified in Specification. 9052 Broadcasting radio receivers and stereophony (sockets installed by Page 20 of 156 5200 DWT OIL PRODUCT/CHEMICAL TANKER FULL SPECIFICATION Builder). 9053 Paintings and pictures. 9054 TV sets. 9055 Spare parts, navigation equipment, flags, etc., in excess of the requirements of the Rules and Regulations as specified herein, and/or those specified in this Specification. 9056 Water, fuel oil, lubricants and grease, working oil for deck machinery, all consumable liquids or gas including remaining L.O. in pipe etc. to be of the Owner's account excepting those which have been consumed trials and tests which are to be borne by the Builder. 114 Hull Form & Model Test The Builder is to design the hull form, propeller and rudder suitable for the vessel?s speed and performance. The vessel shall have bulbous bow, raked stem and transom stern. The fore end of the bulb shall not protrude beyond the fore end of the forecastle bulwark. The builder to submit report of model tank test estimated fuel oil consumption and ship?s speed for designed draft condition and scantling draft for suitable range of main engine RPM to Owner. Model tests to include the following: 503 Resistance tests at the designed draft, scantling draft and ballasting draft 504 Self-propulsion tests with stock propeller at the scantling draft and ballasting draft 115 Trim And Stability Trim adjustment by using ballast water to obtain approximately even keel at fully load arrival condition shall be possible. At the preliminary stage, the Builder will submit trim and stability calculations to the Owner at the following loading conditions intended for the ship?s service. Page 21 of 156 5200 DWT OIL PRODUCT/CHEMICAL TANKER FULL SPECIFICATION , Light ship. , Homogeneously loaded condition at scantling draft. Departure and arrival. Homogeneously based on the design specific gravity , Group loading condition. Departure and arrival. , Ballast condition . Departure and arrival. , Dry docking. , Tanks 2, and 4 empty rest full. , Tanks 1, 3,and 5 empty rest full , Tanks 3 and 5 full rest empty , Tanks 2 and 3 full rest empty , Tanks 3 and 5 full rest empty , All tanks empty only one pair full ( Any pair) “Departure condition” shall be based on the full supplies of bunkers and other consumables, and “Arrival condition” on approx. 10% supplies of departure condition. Final trim and stability calculation for above loading conditions shall be made on the basis of the center of gravity and the light weight of the Vessel obtained from the inclining experiment. Specific gravity of water and oil for the trim and stability calculation shall be as follows: Sea water: 1.025 Fresh water: 1.00 Heavy fuel oil: 0.98 Diesel oil: 0.85 Lub. oil: 0.90 Both intact stability and damage stability calculation shall be carried out according to latest regulation as Intact Stability IMO A749 Damage Stability IBC Code MARPOL Page 22 of 156 5200 DWT OIL PRODUCT/CHEMICAL TANKER FULL SPECIFICATION The vessel shall always comply with the above damage stability criteria?s without the need to taken any ballast when vessel is loaded with a full homogeneously deadweight cargo. Hydrostatic tables, light ship weight with centers of gravity and longitudinal weight distribution to be supplied to the Owner at an early stage of the design. Loading conditions shall include calculations of longitudinal hull girder bending moment and shear force. It shall be demonstrated that the hull girder bending moment and shear force for all loading conditions are below the allowable limits required by Class. Preliminary Trim and Stability Booklet including bending moment and shear force will be submitted to owner at an early design stage. A preliminary Capacity Plan to be submitted together with the preliminary loading conditions. If the final trim and stability booklet is under process of approval by the Classification Society and/or other assigned Authority, the Builder shall provide the provisional trim and stability booklet upon the delivery of the Vessel. (1) When the vessel is substantially completed, an inclining experiment to be carried out to ascertain the position of center of gravity of the vessel at the finished light condition. (1) Substantially completed shall mean that only some minor works remains as agreed by Class and Owner. The inclining experiment shall be carried out in the presence of the Owner?s Representative and the Classification Society surveyor. The procedure of inclining experiment and deadweight measurement prepared Page 23 of 156 5200 DWT OIL PRODUCT/CHEMICAL TANKER FULL SPECIFICATION by the Builder shall be approved by the Classification Society or other assigned Authority. Slack tanks shall be avoided as far as practicable, free surface of remaining tanks shall be easy controllable. The results of the experiment shall be submitted to the Classification Society or other assigned Authority for approval. The Builder will send the results for Owner?s approval or comments, if any. In case of series of sister vessels, the inclining experiment shall be carried out only for the first vessel of the series, if not otherwise required by Classification society. 116 Determination Of Deadweight The deadweight is to be expressed in metric tons unit. The deadweights is to be the difference between the displacement including shell and appendages of the vessel at the scantling draught of 6.5 meters in fresh water (specific gravity to be determined by mesurment on the spot) and the light weight, which consists of following items: Hull steel Fixed fittings, equipment and inventories as per rule requirement Machinery in dry condition other than mentioned in here after Spare parts and tools in accordance with the class requirements. Fuel oil in main engine, auxiliary engines and in supply piping from the outlet of service tanks to each engine. Lub. oil in main engine and auxiliary engines, in coolers for main engine and auxiliary engines and in circulating piping from sump tank to each engine Sea water in fresh water coolers and circulating piping from sea chests to overboard Fresh water in main engine, auxiliary engines, fresh water coolers for main engine and closed circulating piping from and to cooling fresh water pumps through the engine The following items shall not be included in the light weight: Page 24 of 156 5200 DWT OIL PRODUCT/CHEMICAL TANKER FULL SPECIFICATION Spare parts and tools which exceed the manufacturer?s standards and Class requirements All consumable stores Articles supplied by the Owner, which is not defined as part of the lightship Crew and their effects Oil and water in hull pipings and tanks Others not mentioned as light weight items. 117 Building Process Construction and outfitting of the vessel to be made under the Builder?s building process and practice specified hereunder. Suitable size of blocks shall be assembled at shop in general and then erected on building berth or at building dock. In general, if auxiliary machinery (except generators), beds or seats for such auxiliary machinery, pipes, valves, etc, shall be assembled and if required inspected at shop as a unit, then, such unit shall be brought onboard the vessel and installed. After installation or such units in the vessel, centering of the auxiliary machinery shall be checked by the Builder and corrected by shims if necessary. The auxiliary machinery and accessories fitted in such units shall not be dismantled for such checking purpose unless otherwise considered necessary. The Owner?s supervisor (hereinafter called “the supervisor” ) shall be informed and attend the checking of the centering. Excessive misalignment shall not be allowed to correct by shims, Class to decide whether a misalignment is excessive or not. 118 Dry Docking Vessel shall be dry-docked for hull cleaning and paint repair if vessel is not delivered to Buyers within six months after launching or proven the ship is foul. Page 25 of 156 5200 DWT OIL PRODUCT/CHEMICAL TANKER FULL SPECIFICATION 119 Inspection Tests and Trials 1191 General Reference is made to Shipbuilding contract. The Builder shall at all time keep the Owners advised in every respect of the programs of work and upon request, methods which he intends to use. Notices of major events, tests and trials shall be given sufficiently in advance to the Owners to permit them or the person they designate to make necessary arrangement in order to attend the tests or event. All necessary drawings and information which are required for the inspector or permit him to carry out his work and keep the Owners advised of construction details and work progress, shall be made available to him upon request. Inspection by the Owners? representatives shall be regarded as a verification of the Builders own quality control measures and shall not be used as a substitute for quality control. In case the Owners Inspector is unable to attend any test, he may designate a person to act on his behalf, otherwise the inspector shall waive the right to have comments for such test, provided notice is given as agreed. Whenever materials, equipment and machinery etc., have been tested and inspected by the Owners? supervisor, such material and equipment shall be clearly marked and assigned to the vessel. Such materials and equipment shall not be exchanged with any other without the Owners? written consent. At the acceptance inspection each space shall be completely clean and finally painted if/as specified and fitted out in accordance with specification. All piping shall be proven tight and free of internal obstruction. Electric cabling and equipment shall have a satisfactory megger test and prove operational. Page 26 of 156 5200 DWT OIL PRODUCT/CHEMICAL TANKER FULL SPECIFICATION All test programs as given in the list for inspection shall be submitted to the Owners representatives for approval at least two weeks prior to the test. Application for inspections shall be submitted to the Owners representative the day before inspection if such inspection is in the Yard. In general, all work equipment, machinery, systems etc. whether belonging to hull part or machinery part shall be tested sufficiently onboard to prove specified performance, safe operation, suitability in service compliance with all applicable Rules and Regulations. The Builder is to deliver the vessel in a clean and freshly painted condition, all valves, wires, machinery oiled and greased, refrigerated stores cooled down to operating temperature, hatches, booms and stores securely stowed and ready for sea. 1192 Progress The Builder is to provide the Owner the intended schedule of construction until delivery before keel-laying, In case the Builder falls behind the intended schedule, the Builder shall try all possible efforts to bring the vessel back on schedule in order to meet delivery date. Builder?s standard programs for inspection, test and trials shall be submitted to Owners for review/comments a.s.a.p. 1193 Tests and Inspection 11931 Hull Structure Tests All steel structures to be inspected and tightness to be tested for tanks, bulkheads and superstructure deck and other wet space etc. as required by the Class Rules. Tank shall be tested hydrostatically or by air as required by the “Class Rules”. X-ray photographs or ultrasonic inspection to be taken mainly from cross-points of seams and butts block assemblies of bottom shell, bilge Page 27 of 156 5200 DWT OIL PRODUCT/CHEMICAL TANKER FULL SPECIFICATION strake, main deck and sheer strake as required by the “Class Rules”. 11932 Hull Inspection The block inspection shall be carried out after completion of hull block steel works. If fittings are fitted wholly or partially to the hull blocks, the inspection for the hull blocks shall be carried out without dismantling such fittings provided satisfactory access to all hull parts. The internal inspection for hull construction works of tanks, engine room, etc. to be carried out even if outfitting works in such spaces have not been finished yet but any works in connection with strength and tightness of the hull construction shall be completed before the said inspection, in which case, after completion of the outfitting work, final inspection of such parts to be made in accordance with the mutual agreement between Owner representatives and Builder. Inspection of the hull construction shall be made before any paint work is done. Shop tests shall be carried out for the machinery and equipment by the manufacturers at their shops. Test results of major machinery and equipment shall be furnished to the Owner in triplicate. The Owner shall be informed of the shop test schedule at least seven days in advance of the expected date of the shop tests and the Owner?s attendance shall confirm with the Builder four days in advance of the expected date of the shop test. 11933 Installations and Equipments Installations and equipment shall be tested on board in accordance with the “Class Rules” and/or Regulatory bodies and the standard of the Builder and approved by the Owner. 11934 Piping Test As far as hydrostatic test is practicable for a part of piping system, such Page 28 of 156 5200 DWT OIL PRODUCT/CHEMICAL TANKER FULL SPECIFICATION test shall be made for such part before completion of the whole system. Working test shall be carried out after completion of the piping system. 1194 Mooring Trial Mooring trial for the main engine with associated auxiliary machinery and equipment shall be carried out prior to the sea trials while the Vessel is moored at the Builder?s quay: Confirmation of starting position Turning gear interlock test Confirmation of control position Safety device test (automatic trip by simulation) Minimum revolution test Test of starting air capacity Inspection of crankcase 1195 Sea Trial When the vessel is substantially completed, sea trial shall be carried out by the Builder in accordance with the sea trial procedure which shall be prepared by the Builder according to Class requirements and Testing of New Ships and Builder?s standard, and shall be submitted to the Owner for approval. Marine diesel oil and heavy fuel oil with viscosity as available on the domestic market shall be used during the sea trial. Sea trial shall be carried out at the designed draft condition. Sea trial to ascertain that the vessel conforms with the terms of the contract and specification. 11951 Progressive Speed Trial Speed trial for the assessment of the guaranteed speed performance shall be conducted in deep water, by means of the GPS and shaft power to be measured by torsion meter. Results of speed trials shall be corrected to the calm water (no wind, wave). Page 29 of 156 5200 DWT OIL PRODUCT/CHEMICAL TANKER FULL SPECIFICATION Applied method for correction shall be based on internationally accepted methods. Corrections shall be carried out by Builder and approved by Owner. The progressive speed trial shall consist of one (1) double run (alternating in direction) at main engine loads of 60% MCR, 75% MCR, NCR and MCR. 11952 Endurance Trial Endurance trial shall be conducted for four hours at NCR load and one hour at MCR. 11953 Maneuvering Trials The following tests shall be carried out to check the maneuverability of the Vessel: Crash stop astern and ahead test Turning test Inertia test Minimum revolution test 11954 Other tests and measurements The following tests and measurements shall be conducted at proper time during the sea trials according to the requirements of the Classification Society and the Rules and Regulations and the Builder?s practice. Unmanned operation test (during endurance trial) Steering gear test Shaft torsional and axial vibration measurement Electrical load measurement (during endurance trial) Operation test of navigation equipment. Confirmation of gyro compass and adjustment of magnetic compass Anchoring test Black-out test Fire detection and alarm test (or during mooring test) F.W. generator capacity test at NCR during endurance trials. Exhaust gas economizer evaporation test Page 30 of 156 5200 DWT OIL PRODUCT/CHEMICAL TANKER FULL SPECIFICATION Shaft generator running and take over. Bow thrusther test. Other tests and measurements shall be carried out by Builder as required by Class and regulatory bodies. In case of the series vessels following trials and measurements shall be conducted only for the first vessel for Owner. Progressive speed trial except for guarantee speed point Maneuvering trials Shaft torsional vibration measurement Electrical load measurement 11955 Overhauling, Inspection after Sea Trial After sea trial, working parts of main engine shall be opened for the Owner?s inspection in accordance with the standard of the Builder approved by Owner and refitted to working condition. A confirmation dock run after overhauling for ? hours at low load to be carried out before delivery. Above tests shall be deleted for further sister vessels for Owner after mutual agreement and successful sea trial for first ship for Owner. 120 Plans For Approval A list of the plans for approval shall be prepared by the Builder. The list shall be mutually agreed by Owner and Builder at early time of design stage. Softcopy of each of the plans for approval shall be submitted (one copy send by E-Mail) to the Owner for approval in accordance with the “List of the Plans for Owner?s approval”. The Owner shall, within 7 working days after receipt thereof, return to the Builder one copy of such plans with the Owner?s approval or comments, if any, written thereon. In the event that the Owner shall fail to return the plans within the time limits as herein above provided, such plans shall be deemed to have been approved or confirmed without any comment. (The Owner?s comments Page 31 of 156 5200 DWT OIL PRODUCT/CHEMICAL TANKER FULL SPECIFICATION may be made by facsimile or email). The Builder may submit the plans to the Owner?s Representative resident in the shipyard for approval, subject to the provisions of the Contract. The Representative shall, within three days after receipt there of, return one copy of those plans with approval of comments, if any. The Builder?s standard plans and the manufacturers? plans with or without modifications may be used as plans for approval and also working plans. The drawings can be submitted in softcopy via email. However the final drawings submitted to owner shall have both one set of softcopy and one set of hard print. 121 Finished Plan And Instruction Books At the time of the Vessel?s delivery, finished plans both softcopy in CD Rom in pdf format and hard blueprint shall be furnished to the Owner in triplicate, one copy to the Owner?s site office and two (2) copies to the vessel. The scope of supply of the finished plans shall be in accordance with the Builder?s standard and the list of the finished plans shall be submitted to the Owner in due course for approval. The following plans, one copy each, shall be provided in frames and placed on board the Vessel at such locations as designated by the Owner?s Representative: General arrangement (2 Sets) Capacity plan with deadweight scale Maneuvering characteristics Safety plan (2 Sets) Three copies of the instruction books of the Vessel?s major machinery and equipment shall be furnished, one set of the Owner?s site office and two sets to the Vessel. General Arrangement Plan, Capacity Plan and Pocket Capacity Plan shall be supplied as reproducible in addition to copies. 122 Name Plates And Identifications Name plates for main engine, deck machinery, auxiliaries and electrical equipment shall be described in English and in metric system. Name plates Page 32 of 156 5200 DWT OIL PRODUCT/CHEMICAL TANKER FULL SPECIFICATION of other installation shall be referred to respective specifications. Name plates and caution plates shall be described in English. All name plates and caution plates shall be approved by Owner. Name plates shall be screwed on, glue is not allowed for fixing name plates. thBounderies of tanks and every 10 frame should be marked with welding beads. 123 Delivery When completed, the vessel shall be delivered to the Owner in a seaworthy condition, safely afloating at the Builder?s wharf or Shanghai area under the requisite legal formalities. Tanks, cargo holds, bilges, accommodation and other spaces shall be free from tunnage and dirt, completed in every respect and ready for service. Painted surfaces shall be touched up and cleaned, machinery to be in running order, all electric lights to be in good working order, outfits, spares and stores to be properly stowed, and compass to be adjusted. 124 Exemption For the second and successive sister vessel, the submission of plans for the Owner?s approval may be exempted with in so far as there involves no alteration of the design. Also the following tests may be exempted subject to approval of the Owner, Classification Society and other regulatory bodies. Inclining test (deadweight measurement shall be carried out) Stopping inertia test Measurement of crash stop test Turning test 360 degrees with the helm angles of 35 degrees port and starboard Model tank test. Page 33 of 156 5200 DWT OIL PRODUCT/CHEMICAL TANKER FULL SPECIFICATION 200 General Particulars 201 Principle Dimensions Length overall: 103.00 m Length b. p.: 96.50 m Breadth mld: 16.00 m Depth mld: 8.70 m Design Draft: 6.00 m Scantlings Draft: 6.50 m 202 Speed and Endurance Trial speed at design draft ( 6.0 mtr.) at max. continuous output of main engine (MCR), with clean bottom in calm and deep sea under beaufort scale of 2 or less about 12.1 knots. The final speed shall be according to MODEL TEST REPORT but mimimum 12.1 knots. Endurance based on 98% of heavy fuel oil tank capacity and service speed of 11.7 knots will be decided according to the tank capacity plan with minimum 5800 sea miles. Fuel oil consumption per day will be dertimined later at 90% of maximum continuous output for propulsion(the figure is based on a lower calorific value of at least 42,700KJ/Kg and according to ISO 3046/I). Fuel rate for main engine at MCR is with reference to main engine maker. 203 Installed Power Main engine MAN B&W 9L28/32A Number of set 1 set Max. continuous output (MCR) 2205 kw Max. continuous revolutions at MCR 775 rpm Continuous service Rating (CSR) 1984 kw x 748.2 rpm Propeller Type 4 – Blades, controllable pitch type Number of set 1 set Page 34 of 156 5200 DWT OIL PRODUCT/CHEMICAL TANKER FULL SPECIFICATION Gearbox For details see item 9023 Revolution of propeller 201 pm Diameter of propeller About 3200 mm Ni-Al-Bronze Material of propeller Main generator set No.of set & power 2 sets x according to power balance Electric source calculation abt. 400 kw x 1800 rpm A.C. three phases, 450V, 60Hz. Emergency generator set Same as main generators No.of set & power 1 set x 230 kw x 1800 rpm Electric source A.C. three phases, 450V, 60Hz. Main generator sets depends on the cargo pump driven system. Electrical load balance has to be made before power of main generators can be decided. Shaft Generator Shaft Generator 1 set appr. 500 kw. Electric Source A.C. Three phase, 450 Volt. 60 Hz. Cooling system for all engine (except emergency generator) shall use box coolers as much as possible to avoid sea water pumps and sea water pipe lines in engine room. 204 Deadweight and Capacity The guaranteed deadweight in sea water (specific gravity of 1.025) shall be 5,200 metric tons at designed draught of 6.00 m. The deadweight in sea water (specific gravity of 1.025) shall be 5,800 metric tons at scantling draught of 6.50 m reference only. Following is the detail tank capacities of the vessel; 3 Cargo tanks capacity (98% full) incl. slop tanks abt. 5800 m 3 Slop tank capacity (98% full) abt. 180 m 3 Fuel oil tanks capacity, incl. Service & settling tank abt. 250 m Page 35 of 156 5200 DWT OIL PRODUCT/CHEMICAL TANKER FULL SPECIFICATION 3Diesel oil tanks abt. 100 m 3 Fresh water tanks capacity (98 % full) abt. 100 m 3Water ballast tank incl. F.P.T. & A.P.T. abt. 1950 m 205 Cargo List The cargo list of oil product and chemicals (Noxious liquid substances in bulk certificate) carried by this vessel shall be according to the Class Notation. The cargo shall not be harmful to the vessel?s structure construction and cargo handling system. Following is main cargo list: 1 Oil cargoes (MARPOL Annex I), exclude Asphalt, Bitumen, etc. Included oil like substances. 2 IMO Type III Chemicals and etc. 3 Molasses 206 Bow Thruster The vessel shall be equipped with a bow thruster at forward of ship to improve maneuvering performance. 300 kw electric driven motor shall be installed. The motor shall be soft started without causing black outs. The four blades controlled pitch propeller with diameter at about 1000 mm is equipped. 207 Deck Heights, Sheer And Camber 2071 Height Between Decks At Centerline Item Metric From upper deck to poop deck 2.70 m From poop deck to boat deck 2.60m From boat deck to navigation bridge deck 2.60 m From navigation bridge deck to compass deck 2.60 m Page 36 of 156 5200 DWT OIL PRODUCT/CHEMICAL TANKER FULL SPECIFICATION From upper deck to forecastle deck 2.60 m 2072 Shear On Main Deck Due to Camber 2073 Camber of Decks Main deck, straight camber 0.32 m Forecastle deck, straight camber 0.32 m Other decks 0 m Platform decks in engine room 0 m 208 Complement According to agreed G.A. and Accomodation plan. Page 37 of 156 5200 DWT OIL PRODUCT/CHEMICAL TANKER FULL SPECIFICATION 300 Hull Structure 301 General The ship is designed at a scantling draft of 6.5 m and shall be approved by BV. It is of all-welded mild steel construction. High tensile steel may be used for ice strengthened area to reduce the light ship weight. Structure work shall be executed in accordance with the Builder?s standard practice with reference to JIS standard which is approved by the classification society. Welding shall be performed by manual, gravity, electroslag, CO2 and automatic welding. Continuous welds to be applied in all tanks, wet spaces and external areas. Full penetration welds to be applied in cargo tanks. The combined framing system is used for the hull structure. The main hull structure is designed and checked against the class rules for carrying product oil and chemicals. Cargo oil tanks are suitable for partially loading cargoes with specific gravity up to 1.40. The structure scantlings are suitable for any level of filling, including alternative loading. The sloshing effects are to be considered for deck structure, bulkhead structure during partial loading condition. One central longitudinal continuous oil – tight vertically corrugated bulkhead and six transverse oil – tight vertically corrugated bulkheads are allocated in the cargo oil hold region. Two transverse bulkheads at the both end of cargo area shall be flat bulkhead with vertical stiffeners face outside of cargo area. There will be no frames stiffeners or what so ever inside the cargo tanks. The use of angle bar as framing is avoided as much as possible. Main hull structure shall be designed and calculated in accordance with the requirements for oil tanker with a NLS certificate of BV?s Rules. The hull structure to be designed to fully load liquids with specific gravity up to 1.025 Page 38 of 156 5200 DWT OIL PRODUCT/CHEMICAL TANKER FULL SPECIFICATION 3t/m in cargo tanks and slop tanks with adjacent tanks to be empty, including slack tank conditions. Longitudinal strength including bending moment and shear force at specified bulkheads for all loading conditions will be calculated. The scantling of all structural members shall comply with the rules of classification society unless specify here after. Before assembly, all steel plates with thickness 6 mm or more that are to be painted later shall be shot – blasted according to Swedish Standard SA 2.5 and painted with 15 micron zinc silicate primer. Insert plates shall be used instead of doublers as much as possible. The use of angle bars must be avoided, as much as possible. In principle angle bars should be only used for framing gratings. If angle bars must be used outside they must be used as “V” shaped frames, fully welded and top and bottom of such frames must be totally closed, so that the water cannot penetrate inside this frame. 302 Material and Welding All mild steel higher grade steel, forgings, castings and anti-magnetic material manufactured in the hull structure and deckhouse shall meet the quality as per required by classification society. Steel material not specified by the Classification Society shall be in compliance with Chinese Industrial Standard according to the Builder's practice. In way of compass zone, non – magnetic steel plates and sections shall be used as per requirement of rules. Steel plates shall be free from lamination and segregation. Visible steel plates at outer shell plating above and below waterline shall be smooth Page 39 of 156 5200 DWT OIL PRODUCT/CHEMICAL TANKER FULL SPECIFICATION without defects and repairs. Castings and forgings below waterline, such as shaft struts, bossing, rudder horn and stock shall be delivered with first class surfaces without pins or blow holes. Sand and slag enclosures shall be avoided. Gas cutting notches shall be smoothly rounded and uneven spots shall be smoothed by grinding. Welding procedure including edge preparation shall be executed in accordance with the Builder?s established modern welding procedure and practice with reference to EC/JIS standard and approved by the Classification Society. Automatic welding shall be used to the greatest extent. The welders engaged in the welding shall be fully qualified and holding welding certificates from the Classification Society for the type of welding carried out. Electrodes and other welding materials have to be properly selected for the special intended purposes. All welding shall be continuous except in dry spaces in the superstructure and deckhouse where intermittent welding is permitted. Care shall be taken to avoid stress concentration due to welding, heating and discontinuity of the structure or build – in stress. In order to ascertain the soundness of welding suitable number of X-rays photograph to be taken for the important members according to the Rules' requirements. The X-ray photograph and report shall be submitted to the Owner for checking. Page 40 of 156 5200 DWT OIL PRODUCT/CHEMICAL TANKER FULL SPECIFICATION 303 Main Hull The ship shall be designed as double hull construction. Double skin and double bottom shall be provided as per Rule?s requirements. The width of wing tanks shall be 1.0 m and the height of double bottom shall be 1.1 m.or smaller if allowed by Marpol requirements for IMO type II ship . The scantling, construction and materials of hull within a range of midship part shall be as shown on Midship Section Plan. In designing, longitudinal strength to be checked to all loading conditions required by the Rules. It is to supply the calculation of main structure, midship section, construction plans (incl. profile, decks, bottom etc.) at the technical designed stage. Double bottom to be located in cargo oil tanks region, pump room and engine room. The bottom plate and inner bottom plates in cargo oil tanks region shall be stiffened by longitudinals, and those in engine room shall be stiffened by floors. The inner bottom plating in cargo tanks shall be sloped towards cargo pump suction well (near centerline of vessel). The suction well structure for cargo pump to be designed by the cargo pump Manufacturer and to be approved by the Owner. The suction well must have round corners. The bottom plate at the forward area shall be strengthened in accordance with the Rules. One tier non-watertight platform deck shall be arranged in engine room. Shell framing in engine room to be adopted transverse framing type and the web frame to be fitted. Pillars shall be fitted in suitable frame and to be Page 41 of 156 5200 DWT OIL PRODUCT/CHEMICAL TANKER FULL SPECIFICATION connected with the plate floors and transverses. The fore and aft peak tanks to be used as water ballast tanks and shall be built with transverse framing system. The shell plating in way of hawse and one plate below shall be strengthened with thicker plate. Stem frame shall be of fair formed steel plate construction, well raked forward with round and to be of welded construction with suitable breast hooks. A sheerstrake shall be butt welded to the deck stringer plates. Openings of shell such as sea chest shall be in accordance with the Rules. The thickness of upper deck within 0.4L amidships to be met the requirements of longitudinal strength. The transverse bulkheads and centre longitudinal bulkhead in cargo oil tank area shall be vertical corrugated type bulkheads. However the transverse bulkhead for both end of cargo area shall be flat type bulkhead with stiffening facing outside of cargo tank. Side longitudinal bulkheads formed wing tanks in cargo space shall be flat type bulkhead with stiffening facing outside of cargo tank as well. The longitudinal bulkheads of double hull construction shall be designed with longitudinal framing in wing tanks. NO frame?s and or stiffeners or what so ever, are allowed inside the cargo tank. 304 Stem and Stern The stem which is casting, throughout together with bulbous bow shall be of fabricated welded steel plate constructions to the shell lines, and welded to the shell and keel plates. Stern frame is to be of fabricated welded with steel plates and weldable steel castings. Low hydrogen electrode shall be used for welding thick steel plate to Page 42 of 156 5200 DWT OIL PRODUCT/CHEMICAL TANKER FULL SPECIFICATION casting. 305 Keel Plate The plate keel shall be connected firmly with stem and stern frame. 306 Shell Plating Stringer plates and sheer strake are to be connected welded "T" type corner fillet. Section Plan welding quality and inspection are to be in accordance with the requirements of the Rules. Extra thickness and stiffeners undersides are to be provided by inserted thicker plates in way of run of anchor, anchor housing, around sea chest openings. Openings in shell plating to be well rounded and reinforced by inserted thicker plates. The thickness of the shell plates shall be reduced gradually from midship to fore and aft end in accordance with the requirement of the Rules. The lifting rings to be provided for propeller and rubber installation. 307 Bottom Structrue Longitudinal framing system are to be provided for hull bottom construction in cargo tank, and transverse framing system for engine room space and fore and aft peak tanks. Attention shall be paid to the members for the transition region of the longitudinal and transverse framings. In double bottoms, solid floors to be fitted for suitable frame spaces, and watertight floors to be fitted at watertight bulkheads. Bottom and inner bottom longitudinals as well as side girders shall be fitted. Solid floors shall be fitted at every frame in fore peak and aft peak. Suitable Page 43 of 156 5200 DWT OIL PRODUCT/CHEMICAL TANKER FULL SPECIFICATION drain holes to be arranged in double bottom tanks so as to be able to discharge/drain easily. 308 Side Shell Structure The upper part of side shell structure to be of longitudinal framing system. Web frame shall be fitted in association with solid floors. 309 Decks Upper deck shall be strength deck, longitudinal framing system shall be adopted. Web beams shall be fitted in line with web frames. The camber of upper deck shall be straight. Structure shall be suitably strengthened under cranes, etc. Deck plating under all machinery such as cranes, windlass, and mooring winches should have increased plating thickness. Platform deck to be provided in engine room, platform for the generators shall be reinforced necessarily. 310 Pillars Pillars shall be provided where necessary in engine room in association with web trams and web beams. Adequate number of pillars shall be provided under the superstructure decks or deck house walls under concentrated loadings. 311 Bulkhead Watertight transverse bulkhead shall be extended to the upper deck as shown on the General Arrangement Plan. The transverse bulkheads between cargo tanks shall be of vertical Page 44 of 156 5200 DWT OIL PRODUCT/CHEMICAL TANKER FULL SPECIFICATION corrugated type without upper and lower stool. The longitudinal bulkheads in cargo tanks shall be of plane type. Outside boundary walls for the superstructure to be plane with vertical stiffeners. For the inner boundary walls, the corrugated steel walls could be provided. The reasonable arrangement for steel walls in the deck houses to be provided so as to reduce the vibrations to the least. Boundary steel walls to be built for the carpenter's work room, stores, control rooms and other necessary space. 312 Peak Tanks Fore and aft peak tanks to be reinforced with side transverses, side stringers or non-watertight opening platform and to be used for water ballast tanks. Fore peak and fore area shall be reinforced for panting and slamming. 313 Superstructure and Deck House Four tires of superstructure shall be arranged on the after of main deck as per General Arrangement Plan. Superstructure and deck house are of welded steel construction. In general, the plates thickness shall not be less than following table; Exposed deck: As per class regulations External walls: 7 mm ,, ,, Other area: 6 mm ,, ,, The superstructure and deck house are steel flat plates watertight construction with vertical stiffeners. Forecastle and poop deck shall be of transverse framing system in connection with strong beams, girders and pillars. Deck house shall be of welded plating stiffened with beam and girder. A flat plate with stiffeners shall be applied for the accommodation front wall Page 45 of 156 5200 DWT OIL PRODUCT/CHEMICAL TANKER FULL SPECIFICATION and accommodation house walls. All accommodation block plate stiffeners are fitted internally. Decks in superstructure and deck house shall be transversely/ longitudinally stiffened with beams, girders. Continuous welding is employed at all wet spaces. Wheel house front wall shall be inclined outwards from the navigation bridge deck as shown on the General Arrangement Plan. 314 Rudder Rudders shall be designed according to the speed at maximum continuous rating with fully loaded condition. The working angle shall be 65 degrees from the rudder?s center vertical plane. Rudders shall have necessary area to keep reasonable course stability and steering performance in accordance with good maneuverability. One set of rudder with double plates, streamlined, semi – balanced hanging high efficient rudder type (Flap type or Fish tail type) and of welded steel construction and welded cast steel shall be installed in line with the propeller according to makers instructions. Two stainless steel (AISI 316L) plugs for filling and draining shall be fitted at the top and bottom of the rudders. Water tightness shall be tested in accordance with the requirements of the classification society. The lifting hole shall be provided on rudders which is able to be kept closing by welded plate. Welded jumping stopper shall be provided on the top of lower pintle housing(clearance is approximately 2 mm) to prevent the rudder from undue lifting and accidental upshipping. Page 46 of 156 5200 DWT OIL PRODUCT/CHEMICAL TANKER FULL SPECIFICATION Pintle housing on rudder shall be of cast steel and have cone part. The pintle bushes shall be renewable in position without upshipping the rudder. Bottom clearance of the rudder and propeller shall be of minimum 200 mm above the baseline. Rudder stock and pintles (upper and low) shall be of forged steel with stainless sleeve at the position of rudder carrier of material recommended by the rudder manufactory. Rudder stock is coupled keyless with the rudder ad fixed by the bottom nut. The lower (wet bearing) of the rudder stock shall be made of ORKOT or RALCO bearing (artificial material) or completely sealed bronze bearing. Rudder stock bearing, seal and all major bearings are to be lubricated by means of an automatic electric driven lubricating device to circulate the grease. The complete rudder truck will be filled with grease. The Owner will supply the grease pump if the rudder manufactory does not have the request of the grease filling system. The Builder will install the pump and grease filling system. A cast steel rudder carrier and bearing with bronze (BC 3) bush shall be fitted ton the stearing gear deck and will support the weight of rudder and rudder stock. All above rudder construction in accordance with the manufactory instructions. 315 Miscellaneous 3151 Foundations Foundations for main engine are constructed as part of double bottom construction in engine room. The soft support may be used to reduce the vibration and noise in engine room. The auxiliary engine and generator shall be provided with a common Page 47 of 156 5200 DWT OIL PRODUCT/CHEMICAL TANKER FULL SPECIFICATION bed-frame foundations. The auxiliary engines should be flexible mounted on there foundations. The foundations for deck machinery and other equipment etc. shall be provided, where necessary. The foundation shall be able to access for cleaning and drainage. Deck machinery and equipment such as windlass, steering gear, pumps, motors, HVAC unit and etc… are generally provided with integral foundation of steel welded construction with reinforcement underneath if necessary. The foundation shall be of proper height which enable easy maintaining. 3152 Bulwark and Hand Rails Steel bulwark is provided in way of fore end of forecastle. The bulwark plate thickness shall be increased in way of openings for fairleads, mooring chocks and etc. Both sides of interior stairways and exterior stairs shall be fitted with stainless steel pipe hand rails. Galvanized steel pipe handrails are fitted for accommodation deck, main deck, catwalk and sidewalk as shown on General Arrangement Plan. Storm handrails shall be fitted on exterior bulkheads of all superstructure and deck houses surrounded by free decks. Protective rails, screens or guards shall be fitted. All handrails are installed at height of 1050 mm. 3153 Catwalk and Sidewalk A passage bridge catwalk is installed to connect after superstructure with forecastle deck. The galvanized steel grating will be used for catwalk floors. Sidewalks from fore ship to after on both portside and starboard side of the ship will be installed. The galvanized steel grating will be used for sidewalk floors. Side path shall have be fitted with railing with height at 1.1 m . Page 48 of 156 5200 DWT OIL PRODUCT/CHEMICAL TANKER FULL SPECIFICATION 3154 Bilge Keel Bilge keel with a length of approximately 30 percent of the vessel?s length to be arranged. At the each side of the vessel the bilge keel shall be fairly tapered without special reinforcement. 3155 Chain Locker Two self stowing chain lockers are installed as shown on General Arrangement Plan. Chain lockers are square type of all-welded watertight construction. All stiffeners of chain lockers are arranged on the outside of the lockers. Suitable foot holes are provided through the main deck level to the bottom and a watertight access manhole shall be fitted. Access manholes are arranged on the chain lockers wall in bosun store for the inspection of lockers and chains. Perforated steel gratings are laid above the bottom and adequately supported to be bear the weight load of the chains. 3156 Hawse Pipes The hawse pipes are built with separate pipes of welded steel. The hawse pipes are arranged to allow easy dropping of the anchors clear of stem and supported substantially by deck, shell and web frames with enough brackets, ribs and etc…. The hawse pipes have cast steel bolster fitted on the shell plate. The position and size of bolster shall be designed so as the minimum clearance between bow and anchor flukes at in board condition is 500 mm. Three jet nozzles are provided in each hawse pipe for chain cleaning. The jet nozzles shall be connected with fire fighting system. Chain – wash device shall be controlled by means of valve close to the anchor winch. Page 49 of 156 5200 DWT OIL PRODUCT/CHEMICAL TANKER FULL SPECIFICATION 3157 Sea Chests and Box Cooler Sea chests shall be installed to suite requirements of the ice class(IC) rules. Chest openings have proper shape so as to avoid reinforcement of shell plates such as fitting doublers or inserted thicker plates. Box cooler shall be installed along with sea chest for the purpose of cooling main engines and generators. Sufficient zinc anodes shall be installed in sea chests as per requirements of class notation. Anti fouling protection (Impressed current will be investigated by the Owner) system shall be fitted for box cooler. 3158 Bottom Plug Double bottom ballast tanks shall be provided with two bottom plugs. Other tanks and cofferdam connected to the Vessel?s bottom shall be fitted with one bottom plug which shall be allocated away from keel plate as far as practicable. The bottom plugs shall be of stainless steel (AISI 316L). No bottom plugs in fuel oil and fresh water tanks 3159 Funnel The rectangular funnel shall be welded construction with vertical stiffeners and horizontal stringers, and with closed top plate, adequate number of eye plate, and a steel door on it. Funnel structure shall be strengthened at supports for exhaust pipes etc. Eyes or rail for painting stage shall be provided outside. Page 50 of 156 5200 DWT OIL PRODUCT/CHEMICAL TANKER FULL SPECIFICATION 400 Paint and Corrosion Control 401 General All painting works including surface preparation and painting inspection shall be carried out according to ISO 8501 standard, the paint maker?s guidelines and Builer?s practice and standard as well as this specification. The painting life of peak tanks and water ballast tanks shall be guaranteed for five years. The coating life of the cargo tanks shall be in accordance maximum period given by makers. All other paint system shall be guaranteed for three years. Paint shall be applied by airless spray in general. Where the spray is difficult to apply, brush or rollers may be used. All in accordance of the makers instructions. No paint shall be applied to the following surfaces: , Copper, brass, bronze, aluminum, aluminum alloy and other non – corrosive metals except specifically mentioned in this specification. , Wooden work in stores. , Galvanized fittings in hidden spaces and in tanks except cargo oil tanks. , Inner surfaces of doubler and steel surface enclosed tightly. , Internal steel decks covered with deck covering. If necessary the damaged parts of galvanized surface shall be pickled SIS ST3 grade touched up with one cost of zinc rich paint or equivalent (immersion part: touch up with finish paint same as surround area). Page 51 of 156 5200 DWT OIL PRODUCT/CHEMICAL TANKER FULL SPECIFICATION Walkway, vertical ladder, U-bolt/nut and others Inside: Galvanized Outside: Galvanized and touch up with finish paint as surround area Final color shall be approved by Buyer. However the colors of each coat other than the final one shall be in accordance with the paint maker?s guideline which will take consideration of the final finish color. Each coat shall have different colour. Pipes shall be coloured as per ISO colour code. Ballast tank and Cargo oil?s tank coating procedure after completion of hot works and tank testing shall be carried out in accordance with the Builder?s practice and be mutually agreed by Builder, Paint Manufacturer and Owner. The under water survey shall be carried out before delivery. 402 Surface Preparation 4021 Primary Preparation All steel plates and section shall be shot blasted to SIS Sa 2.5 and immediately primed with one cost of inorganic zinc silicate shop prime applied to dry film thickness of 15 microns which will be suitable for next coating scheme. The inorganic zinc silicate shop primer has to be approved by Class and coating manufactory The thin plate with thickness under 6 mm and profile with length under 3 m shall be de-rusted to SIS ST3. All sharp edges of gas cut plate shall be ground smooth with abt. 2 mm radius. Irregular leads of welding shall be ground smooth before application of paint. Surface damages such as pitting, undercut and etc… shall be welded up and ground smooth before application of paint. Page 52 of 156 5200 DWT OIL PRODUCT/CHEMICAL TANKER FULL SPECIFICATION The painting of the exposed surfaces such as outside shell, superstructure, deck house, funnel and living space shall be free from nag and run. After the specified coating is applied, the paint film for the damaged parts shall be prepared at proper time. When such damage comes to the surface of steel and rust occurs, the surface shall be cleaned to secondary surface preparation grade and coated as originally specified. When such damage does not reach to the steel surface, the surface can be touched up to the specified film thickness. 4022 Galvanizing Galvanizing can be done by hot dip method according to normal practice.. Damaged area of galvanizing part shall be touched up by one coat with zinc rich epoxy. 4023 Secondary Preparation Before the first coat is applied, the damages on shop primer by welding, burning, rubbing etc., and the rusted steel surface shall be prepared in accordance with following table, Location Surface Preparation Grade Block stage At slip way or docking / mooring Outside shell ST3 ST3 Upper deck ST3 ST3 Outside accommodation & ST3 ST3 Mast Water ballast tanks According to makers ST3 instruction Cargo oil tanks SA 2,5 according SA2.5 makers instruction Slop tanks As cargo tank Page 53 of 156 5200 DWT OIL PRODUCT/CHEMICAL TANKER FULL SPECIFICATION Void space and cofferdam ST3 ST3 Engine room ST2 ST2 F.O. and L.O. tanks ST2 ST2 F.W. tanks No treatment Sa2.5 403 Shop Primer The shop primer serves to protect the steel from corrosion during construction before application of the hull paint scheme. Shop primer must be acceptable for the follow up paint system. 404 Paint Works During construction, any damage to the shop primed surface shall be cleaned by power tools and directly painted with the first coat primer according to paint scheme without touch up of shop primer. Minimum over coating time of painting application shall reference to Manufacturer?s guideline. Welding slag, weld splatter, gas cutting edge shall be removed/ground smooth prior to paint application. Watertight weld lines via manual welding shall be painted after the air test. Non – watertight weld lines and fillet welding for stiffening member shall be painted after block inspection. Any structure/spots except above to be painted before inspection shall have consent from classification society and Buyer. All machineries and electric equipments shall be coated in accordance with maker?s standard. The damaged part shall only be touched up in accordance with Builder?s practice with one coat of finish coat of compatible type. Page 54 of 156 5200 DWT OIL PRODUCT/CHEMICAL TANKER FULL SPECIFICATION Prior painting, the surface shall be cleaned of oil, moisture, dust, zinc, salt and other foreign material with thinner, fresh water, wire brush and etc.. 405 Film Thickness Measurement of dry file may be done with magnetic film gauge such as MICRO tester or ELCO meter. The dry file thickness specified in the painting scheme shall be achieved for at least 90% of the total area. 406 Measuring Dry film thickness shall be measured after application of final coat of paint. The records shall be submitted to Buyer. No measurement shall be made for about 100 mm breadth from the free edges of painted steel members, surfaces of fittings. 407 Inspection The surface preparation and checking of paint dry film thickness shall be carried out by the Builder in the presence of Buyer?s representative and paint Manufacturer. Record of temperature and humidity shall be maintained during the painting work. 408 General Cautions Mixing and thinning of paint material, conditions/methods of application and time interval between each coat shall be observed to the paint Manufacturer?s guideline. The paint shall not be applied during the period of rain, snow, fog or mist and not be applied when the weather condition may cause condensation ie RH above 85% and steel temperature lower 0than 3C below dew point. Further more, during cargo oil tank coating, the humidity level shall be maintained relatively under 60%. According to makers specification. Page 55 of 156 5200 DWT OIL PRODUCT/CHEMICAL TANKER FULL SPECIFICATION 409 Paint Schedule 4091 Ballast Tanks Coating Ballast tanks shall be coated as epoxy light color paint layers. Black paint layers are not allowed. Fresh Water tanks shall be coated as epoxy light color paint layers according makers instruction. 4092 Cargo Oil Tanks Coating Cargo oil tanks shall have surround coating which is listed in the maker list The coating shall comply with attached cargo list as 205 . Supervision of the application shall be executed carefully. The Builder shall provide at least guarantee along with insurance in accordance maximum period given by makers 4093 Decks Superstructures and Other Places Coating Epoxy system shall be used as per following specification. 4094 Painting Scheme Painting scheme shall follow the below specification. Painting scheme for the parts and spaces which are not specified herein shall be similar to surrounding space or comparable spaces. The finished paint for weather part shall be applied by semi gloss or matt material. All paint thickness specified are dry file thickness. Area Type of Paint Film Thickness (micron) Bottom & Vertical Bottom Epoxy 1 x 150 up to ballast water line Epoxy 1 x 150 Self-polishing A/F coat 2 x 125 Topside Epoxy primer 1 x 150 Page 56 of 156 5200 DWT OIL PRODUCT/CHEMICAL TANKER FULL SPECIFICATION Area Type of Paint Film Thickness (micron) Epoxy primer, Semi gloss 1 x 150 1 x 50 Exposed deck, cranes, Epoxy primer 1 x 150 deck-machinery, etc. Epoxy primer 1 x 150 Epoxy finish semi gloss 1 x 50 Polyurethane External superstructure Epoxy primer 1 x 150 Mast, davits, decks Deck Epoxy primer 1 x 150 Deck houses Epoxy finish High gloss 1 x 50 Polyurethane Cargo/Slop tanks Epoxy series similar to 2 x up to makers Interline 904 and specification guaranteed in accordance with the maximum period provided by the makers. stWater ballast tanks, 1 epoxy buff ndcofferdams, bow thruster 2 Epoxy grey Up to makers space, chain lockers, all specification bilges and void spaces. Fresh water tanks Pure epoxy 2 x 125 Peak tanks Same as ballast tanks 2 x 125 Fuel oil/Lub. oil tanks Rust inhibitive oil Interior deck part, Epoxy primer 2 x 125 engine-room stores etc. Polyurethane 1 x 50 Interior walls behind Epoxy primer 1 x 75 insulation and paneling Other area Conventional paint Painting Maker to be furnished the final painting schedule based on the discussion between the Owner and Shipyard. The final painting schedule shall be submitted to the Owner for their approval. Page 57 of 156 5200 DWT OIL PRODUCT/CHEMICAL TANKER FULL SPECIFICATION Following paint makers are acceptable: Sigma, Hempel, Kansai, Chugoku, International and Jotun. 410 Cathodic protection Cathodic protection shall be provided for the hull, bow thrusters pip, ballast tanks, sea chest and etc by means of sufficient amount of zinc anodes with 2average current density at 5 ma/m. Anodes shall be certificated as non – sparking. Anodes plan shall be submitted for Buyer?s approval. The anodes shall be placed so that they can not be easily damaged during vessel?s mooring maneuver. Life expectancy of anodes shall be three years for hull and five years for water ballast tanks. The dimension and arrangement of the zince anodes shall be proposed by the manufacturer and approved by the Owner. 411 Antifouling System for Box Coolers Antifouling system Impressed Current system (Owner will investigate the impressed current system for box cooler) for box coolers shall be installed. According makers advise. Page 58 of 156 5200 DWT OIL PRODUCT/CHEMICAL TANKER FULL SPECIFICATION 500 Accommodation 501 General Accommodation shall be arranged for 14 crews as shown on the General Arrangement Plan. The construction shall be in accordance with SOLAS 1974 and latest amendments. The accommodation shall be of European Standard with individual cabin, shower and private toilet . The clear height in cabins shall be 2.1 m minimum. The cabins shall be arranged as shown on the General Arrangement Plan. Public rooms and duty rooms to be provided as following 2 Mess rooms for Officers & crews 1 Ship?s office 1 Deck changing room 1 Engineer changing room 1 Cargo control room 1 Engine control room in engine room 1 Wheel house combined with chart space and radio space 1 Galley with pantry 1 Refrigerating provision store 1 Ship?s laundry/drying room The accommodation plan shall be approved by the Owner prior the construction. 502 Deck Covering All Living Spaces, public : Vinyl sheet 3mm thick on deck area, officers & covering wheelhouse : Carpet on deck covering Page 59 of 156 5200 DWT OIL PRODUCT/CHEMICAL TANKER FULL SPECIFICATION Wheelhouse Interior : Vinyl sheet 3 mm thick on deck covering No finish coating of composition nor vinyl sheet shall be provide in enclosed spaces under built-in furniture but underlay shall be provided. Non-skid rubber mat to be provided between doors and in front of consoles. Washroom, galley & : 150mm x 150mm non-slip quarry tiles laundry on 50mm cement underlay. All wash places and showers shall be similarly laid with ceramic tiles. All exposed steel decks shall be finished with deck paint. Anti slip paint on working places. Insulation and Fire Protection All insulation and fire protection shall be fitted according to Class rules. The insulation for fire protection shall be constructed in accordance with the SOLAS 1974, includes the protocol of 1978 and its amendment of 1981 and 1983 and the latest updated rules and regulations and associated amendments till the date the contracts are signed. Sound insulation shall be provided for accommodation quarters, where necessary. Exterior boundaries of the poop and deckhouses in the vessel are to be insulated to 'A-60' class for the whole of the portions which face cargo oil tanks and 3m aft of the front boundary. It is to be insulated to A-60 class for upper deck of top upper deck of engine room within superstructure and top of other machinery spaces except minor fire risk spaces with the consent of the Register to apply only steel plate. Page 60 of 156 5200 DWT OIL PRODUCT/CHEMICAL TANKER FULL SPECIFICATION Overhead ceiling of accommodation spaces under wheelhouse, chartroom, radio room etc. to be insulated to A-60 class. Enclosed walls of multi-ply engine casing bounding living quarters are to be insulated to A-60 class. Except casing bounding other machinery spaces having A-0 class insulation and casing bounding exposed to the weather, it may be only steel wall. Walls dividing stairway and passageway from engine casing and other space of greater fire risk are to be insulated to A-60 class. Thermal insulation shall be provided as follows: Application Material Remarks Corridor bulkhead 50 mm thick rock wool board and 0.5 mm thick galvanized --- steel sheets with decorative PVC film on both sides. Division bulkhead Ditto --- Lining 25 mm thick rock wool board 25 mm thick rock wool and 0.5 mm thick galvanized board and 0.5 mm thick steel sheets with decorative stainless steel sheets on PVC film on visible side. visible side for galley and pantry. Ceilling 25 mm thick rock wool board Ditto and 0.5 mm thick steel sheets with baked enamel. Thermal 50 mm thick rock wool (16-24 Exposed surface of 3insulation kg/ m density) accommodation. Sound insulation 50 mm thick rock wool (16-24 Where required space 3kg/ m density) Fire insulation 50 mm thick rock wool (110 As per Rules and 3kg/ m density) Regulations Page 61 of 156 5200 DWT OIL PRODUCT/CHEMICAL TANKER FULL SPECIFICATION Application Material Remarks Deck covering Wall-to-wall carpet on 6 mm Captain class and senior thick latex type deck officer?s quarter, composition. Other cabins, public space, 2 mm thick vinyl sheet on 6 office space, wheel house, mm thick latex type deck chart space composition. Galley, pantry, laundry and Cement and tile. public toilet. Unit type toilet. Tile on steel plate. Furniture Wooden furniture --- All materials shall be class approved and appropriately fire rated in accordance with SOLAS requirements. Wash place, changing room and laundry internal bulkheads will not have lining. The bolts shall be suitably painted. 504 Cabin Furnishing and Fittings All furniture shall be made of wood. All tables and desks shall be covered with hard plastic material except steel desk. 5041 Captain and Chief Engineer Class - One(1) Single tier varnished plywood bunk with drawer and bunk light. Approximate dimensions 2000mm x 1000mm x 150mm with foam matterss. - One(1) wardrobe with long mirror - Two(2) coat and hat hook - One(1) sofa - One(1) sideboard combined with book case - One(1) coffee table Page 62 of 156 5200 DWT OIL PRODUCT/CHEMICAL TANKER FULL SPECIFICATION - One(1) upholstered chair - One(1) small steel safe (Master?s only) - One(1) writing desk with drawers (double pedestal type) - One(1) Quartz clock - Two(2) spare power slots Curtains shall be provided for windows. 5042 One Man Cabins - One(1) sofa - One(1) coffee table - One(1) book case - One(1) writing desk with drawers (double pedestal type) - One(1) upholstered chair - Two(2) coat and hat hook - One(1) single varnished plywood bunk complete with light and foam mattress approximate dimension of 2000mm x 1000mm x 150mm. - One(1) wardrobe - Two(2) spare power slots Where the sidelights or window exist, curtains will be provided. 5043 Two Men Cabins - One(1) coffee table - One(1) book case - One(1) writing desk with drawers (double pedestal type) - One(1) upholstered chair - Two(2) coat and hat hook - One(1) double varnished plywood bunk complete with light and foam mattress approximate dimension of 2000mm x 1000mm. - One(1) wardrobe - Two(2) spare power slots All in accordance with G.A. and accommodation plan. Where the side light or window exists, curtains will be fitted. Page 63 of 156 5200 DWT OIL PRODUCT/CHEMICAL TANKER FULL SPECIFICATION 5044 Wash Place Fittings Private toilet Prefabricated unit, including Shower, Toilet cabinet, Soap dish, Water closet, Paper holder, Towel rack, Hand grip, etc. Public toilet Assembly toilet Fresh water Hydrophore system with a sterilizer, (fresh washing, shower, WC) Hot water Continuous circulating system with a calorifier Sanitary supply line Copper pipe Sanitary drain line PVC pipe Sewage drain method Sewage treatment system to be provided. Sewage drain method gravity toilet system 5045 Laundry Equipment 2 - Marine type 5 kg washing machine for cleaning clothes, motor driven with integral spin dryer and 1 tumble dryer. 1 - Marine type 5 kg washing machine for dirty clothes 1 - Dryer 1 - Rinsing tub. 2 - Ironing table 1 - Wooden rack 1 - Heating radiator (Drying room). (Black heat type electrical radiator, 1~2 kw with high temperature cut out thermostat). 2 - Electric irons. 5046 Galley 1 - Electric range 4 hot plates, comes with stainless steel exhaust canopy and fan over. 1 - Baking oven with 1 oven 1 - Soup boiler fixed type, 10 litres. 1 - Dressing table with under locker 1 - Cooking table with under shelf. 1 - Cutting board - (nylon or similar). Page 64 of 156 5200 DWT OIL PRODUCT/CHEMICAL TANKER FULL SPECIFICATION 1 - Marine microwave oven. 1 - Food disposal unit. 1 - Dough mixer, 0.75 kw. 1 - Elect. refrigerator, 200 litres. 1 - Elect. universal machine. 1 - Potato peeler. 1 - Dish, pan and glass rack. 1 - Stainless wash bowl with cold & hot water. 1 – Dishwasher machine. 5047 Wheel House The wheelhouse is to be located on bridge deck as shown in the General Arrangement Plan and to be fitted out with navigation, communication and control equipment. Doors shall be provided on port and starboard. Wheelhouse windows are to be arranged to give good visibility all around as indicated in General Arrangement Plan. Storm rails shall be provided on outside of wheelhouse as well as inside the wheelhouse front console. The wheelhouse is to be fitted with:- - Steering control and instrumentation - Rudder angle indicator (panoramic deckhead mounted type) - Main engine alarms and group alarms for auxiliary engine (common alarm indicating generator engines failure) and steering gear - Horns (one electrical air horn and mechanical plunger for horn) - One searchlight with remote control, positioned off steering wheel, 1000W - Three fan type windscreen wiper on fwd (P. C & S) window c/w FW washing. Central wheelhouse window heated Page 65 of 156 5200 DWT OIL PRODUCT/CHEMICAL TANKER FULL SPECIFICATION - Helmsman?s chair (pilot chair with adjustable height, no sliding) - VHF, radar as agreed in the electric nautical equipment - Clinometer, thermometer, dial barometer - Wooden grating for steering column - Chart table curtain/collapsible lamp - Navigation instrument sets - Two(2) Binoculars c/w case - One(1) chart table with drawers - Central public address system - Flag box c/w flags - Assorted book racks and cabinets - Spare power slots - Space D.C. power slots - Emergency stop button for cargo pump motor - First aid kit bag - Quartz clock - Anemometer 5048 Interior Doors All interior doors? materials are to be fire rated as the surrounding bulkheads and as required by SOLAS. - To be hung on brass or chrome steel hinges and fitted with chrome door fittings - To have lever handles and hook retainers - To have labels overhead indicating compartment name All locks and latches shall have rim or mortise type easing to meet the requirements of the particular installations. Lock shall be furnished so that each lock shall have a different key and all locks onboard except those in the engine room shall be operated by a master key for each rim and mortise type lock. Page 66 of 156 5200 DWT OIL PRODUCT/CHEMICAL TANKER FULL SPECIFICATION Doors in public rooms except stores shall be provided with mortise type cylinder lock. All non-watertight steel doors shall be provided with cylinder locks. A self-closer shall be fitted on doors leading to mess rooms, common wash place and engine room from living quarters, doors inside the lobby of weather exposed to entrance of living quarters on upper deck, doors at weather exposed entrance of living quarters and doors of stairway trunk. 5049 Engine Control Room To be situated on upper platform deck and to be air-conditioned unit ( water- cooled type). The following will also be located within the room: - Main switchboard - Engine control and alarm panel - Intercom telephone system - Machinery alarm panel - The cargo pump frequence convertors. One(1) writing desk with drawers (single pedestal type) - One(1) file cabinet with 2 drawers - One(1) book case - Two(2) coat and hat hook - One(1) coffee rack - One(1) white board - One(1) control room unit cooler - One (1) set group starter for essential motor - Two(2) and chairs - 50410 Cargo Control Room and Ships office to be combined Office A cargo control room shall be located on the poop deck. The cargo control room shall accommodate necessary controls required for the remote control of the cargo and ballast systems, namely start-stop Page 67 of 156 5200 DWT OIL PRODUCT/CHEMICAL TANKER FULL SPECIFICATION push button for cargo and ballast and tank cleaning pump and pressure indicators, cargo tank high-level alarm system, oily discharge monitoring panel, clinometer and necessary gauges and cargo temperature indicator and mimic panels. A pipeline mimic diagram with the remote operation of ballast valves (page 32) The layout shall be with reference to G.A. and Accomodation plan. The following equipment shall be provided on console or separate board in cargo control room:- Telephone, clock, P.A., high level alarm, level gauges, pump control buttons and gauges Other Fittings One(1) white board c/w markings of ships tanks for daily record entry. One(1) desk c/w chair (Single pedestal type) One(1) filing cabinet One(1) clock Two(2) spare power slots Three(3) coat hangers One(1) Load computer system Upholstered chairs and settees as per G.A. and accommodation plan. 50411 Crew and Officer Mess Rooms Followings shall be fitted in the mess rooms: - One(1) sideboard with drawers/cutlery drawers & hanging cabinet - One(1) clock, battery Quartz type - Four(4) spare power slots - One(1) “white” notice board - One(1) public address speaker - Ten(10) coat hook - Upholstered chairs & settees as shown on general Page 68 of 156 5200 DWT OIL PRODUCT/CHEMICAL TANKER FULL SPECIFICATION arrangement - One(1) 250 liters refrigerator 50412 Dry Provision Store This compartment is to be fitted with wooden shelves and retaining bars. 50413 Refrigerated Provision Store Two refrigerating plants (one working, one as stand-by) each having a sufficient capacity to keep the following insulated refrigeration provision chambers at specified temperatures within 16 hours of automatic operation per day is fitted. These refrigerating chambers shall have vegetable, meat & fish chamber with deep freezer. Cabinet Type Volume Temperature 30Vegetable Reachin 10 m + 4C 30Fish Reachin 6 m -18C 30Meat Reachin 6 m -18C 30Dry provision 8 m + 8C Capacities must be agreed on GA and accommodation plan Refrigerant shall be R-404a. Each chamber shall be cooled by fan coil unit type air cooler. Remote temperature indicators shall be provided for each chamber with read out in galley. Valve panel shall be located adjacent to each cooler as per maker?s standard. One push button with alarm in each chamber with alarm bell shall be provided in the galley. Cooling water shall be supplied by central cooling system. The cooler in meat & fish chamber shall have electric defrosting. Refrigeration compressors shall be regulated by temperature switches. Two spare refrigerant containers to be supplied. Gratings, shelves, lockers, potato bin of wood on galvanized steel etc. shall be provided in dry provision. One storage rack of stainless steel with hardwood shelves shall be provided for each vegetable, meat & fish Page 69 of 156 5200 DWT OIL PRODUCT/CHEMICAL TANKER FULL SPECIFICATION chamber. 50414 Forward Stores The spaces under the forecastle deck shall be divided into Hydraulic Power Pack, store, paint store which are fitted with steel shelving with retaining bars. Ample lighting, portable fire extinguishers and natural ventilators shall be arranged to meet the classification requirements. Wooden grating shall be provided in Bosun store area. 50415 Steering Gear Compartment The steering gear compartment is to be fitted with necessary steering gear machinery, suitable ventilations and sound powered telephone fitted for communication between wheelhouse and engine control room. 50416 Radio Space Radio area in the wheelhouse is to be fitted with:- - One writing desk with drawers (single pedestal type) - One swivel arm chair - One file cabinet with 2 drawers - One book case - One whiteboard - Two coat and hat hook - Radio and communication equipment 50417 Emergency Generator Room This room is to be fitted out with suitable insulation to meet SOLAS requirements as an emergency generator room. Appropriate ventilation is to be provided. 50418 Workshop The workshop shall be fitted with: - One(1) lathe machine of distance between the centres 600mm and dia of 350mm - One(1) wheel grinder, pedestal type complete with 2 wheels of Page 70 of 156 5200 DWT OIL PRODUCT/CHEMICAL TANKER FULL SPECIFICATION 200mm diameter - Welding machine complete with accessories of 300 Amp capacity (AC Invertor type) - Work bench complete with 8” vice - Tool cabinet - One(1) gas welding set (to be installed outside of E.R.) with flashback arrestor at nozzle c/w fixed pipes in workshop. Bottles to be placed on deck Outlet station to be placed in workshop. 50419 Changing Room The compartment is to be fitted out with: - Lockers - Bench seats - Clothes hooks - Coat hooks - Washbasin 50420 Paint Store It is to be fitted with steel shelves and suitable ventilation. All electrical fittings and safety requirement shall meet SOLAS requirements. 50421 Deck/Engine Store This store is to be fitted out with steel or wood shelves. Doors to be fitted with padlock. The store shall be natural ventilated. Page 71 of 156 5200 DWT OIL PRODUCT/CHEMICAL TANKER FULL SPECIFICATION 600 Deck Machinery and Outfitting 601 General Deck machinery shall be arranged as shown on the General Arrangement Plan. The layout shall be approved by the Owner prior to construction. Deck machinery consists two electro hydraulic motor driven anchor windlass/winch located at forecastle deck and one electro hydraulic motor driven anchor winch located at after of poop deck as shown on General Arrangement Plan. Hydraulic power shall be supplied for deck machinery (windlass, mooring winch etc.) from the hydraulic power station and the hydraulic motors directly coupled to the winch or through reduction gears if necessary. Hydraulic pump station for deck machinery shall be arranged in engine room or suitable location. Following is the summary of main particulars of the deck machineries; No. Duty capacity Name of of Type Prime motor equipment set tons x m/min Steering gear 1 Elec-hyd. Type 8 t-m 2 Hydraulic motor Windlass 2 Hydraulic type At gypsy wheel Hydraulic motor Each 1 gypsy 10 t x 9 m/min wheel, 1 hawser At hawser drum drum & 1 5 t x15 m/min At warping head warping head 3 t Anchor winch 2 Hydraulic type At gypsy wheel Hydraulic motor, Each 1 hawser 10 t x 9 m/min without drums and 1 At hawser drum auto-tension warping head 5 t x15 m/min device At warping head 3 t Page 72 of 156 5200 DWT OIL PRODUCT/CHEMICAL TANKER FULL SPECIFICATION Hose handling 1 Elec-hyd. type 1t x appr.16 mtr. Hydraulic motor crane crane To be arranged near manifold Provision davit 1 Electric type 0.9 t x 5 m Electric motor Bow thruster 1 Electric, CPP 300 kw Electric motor M.O.B.boat 1 According to the davit relevant rules. Liferaft Davit 1 According to the relevant rules. Free Fall boat 1 According to the davit relevant rules. 602 Anchor Windlasses Two electro hydraulic anchor windlasses each having a gypsy double mooring drum and a warp head. The gypsy capacity to be approx. 10 tonnes pull at 9 m/min, suitable for 42mm diameter chain and mooring drum capacity 5 tonnes @ 15m/min at 1st layer. The cable lifters and hawser drums are to be independently clutched. The warping head capacity is 3 tonnes pull at 30 m/min. Gypsy : Suitable for 42mm diameter chain Hawser Drum : Suitable for handling 170m of 215.7kn breaking strength tipto 8 rope Control : Mounted on steel pedestal suitable for on deck installation Seating : The windlass shall be mounted on chock fast seating using corrosive resistance bolts with a „save-all? and gutter 603 Steering Gear One set of steering gear shall be arranged for high efficient rudder. The steering gear is driven by one set of rotary vane type steering gear with two totally independent working hydraulic pump units 50% each driven by two electric motors. The rudder turning angle shall be 2 x 65 degree. The two Page 73 of 156 5200 DWT OIL PRODUCT/CHEMICAL TANKER FULL SPECIFICATION pump units shall be able to supply enough power to steer the rudder from 35 portside to 30 starboard hard-over within 28 seconds when the vessel is running at maximum speed at design draft. All in accordance with the agreed makers instruction. Arrangements for connection with auto pilot and manual control shall be made. Steering gear motors shall be remote started & stopped from wheelhouse bridge console. Local manual operation shall be able to done via operation of solenoid control valve at the side of the gear. A spare hydraulic tank shall placed above the hydraulic tank. All change over procedure shall be clearly identified. All to be in accordance with Class, SOLAS and Flag state rules. Torque rating is about 8 metric ton –m. 604 Stern Mooring Winch Two sets of electrical hydraulic Single Mooring Winches accompanied with each one slip type hawser drum and one warping head is fitted as following: Rating : 5 tonnes at 10 m/min at 1st layer. Hauling in speed for Hawser drum & warping head 30 m/min Capacity : 170m of 215.7 kn breaking strength tipto 8 rope Warping : Cast steel keyed on both ends of the main rotating shaft Control : Mounted on steel pedestal suitable for on deck installation Seating : The winch shall be mounted on chock fast seating using corrosion resistance bolts with a ?save-all? and gutter Power pack : Suitable for both winches operating simultaneously and with one motor/pump standby for the other Page 74 of 156 5200 DWT OIL PRODUCT/CHEMICAL TANKER FULL SPECIFICATION 605 Provision Handling Davit One(1) set electric hydraulic lifting crane shall be fitted. The crane structure consists of fixed crane boom mounted on pedestal base with 0.9 tonnes SWL lifting capacity at maximum radius of ~5m. The hydraulic lifting winch comprising of single drum driven by hydraulic motor and pre-wiring for hoisting. 606 Hose Handling Crane One set electric-hydraulic hose handling crane, telescopic type, lifting capacity 1 tonnes at 16 m outreach. The working area of the crane shall cover the cargo manifolds and pump room without interfere the cargo piping system as indicated in the GA plan. 607 Mooring Fitting Anchors, chain cables and mooring ropes shall be equipped in accordance with the rule requirements as per following table. 2 Bow Anchor Stockless SPEK type, about 2850 kg, Cast steel construction, 1 Spare anchor Stockless SPEK type, about 2850 kg, Cast steel construction. One for each vessel 1 Anchor chain 42 mm dia. X 495 m in length, Grade NV K3 with Kenter shackles 2 Chain releaser Fastened type in chain locker and operable from outside. 4 Mooring Rope Mooring rope Tipto 8, 170 metres, (B.S. 215.7 KN) including loop end. 2 rope reels on forecastle deck 2 rope reels on poop deck 2 Fire wire 28 mm dia. Steel wire x 45 m with manual stowage reel. 1 Towing stopper To be installed on fore and after deck in accordance with IMO Regulation. The number & size are suitable for Tipto 8 ropes. Page 75 of 156 5200 DWT OIL PRODUCT/CHEMICAL TANKER FULL SPECIFICATION One pair of hawseholes, fabricated of welded steel plate with steel bell mouth with square shape on shell and deck flange on deck, to be fitted at the bow and so located as to give a satisfactory position of the anchors. Mooring fittings, such as panama chock, bollards, panama fair leaders, guide rollers and mooring holes shall be arranged in accordance with OCIMF requirement for reference as shown on the General Arrangement Plan and mooring arrangement. The mooring arrangement shall be approved by the Owner prior the construction. 608 Manifold In way of cargo manifold on upper deck, additional deck fitting, such as bollard, cross bitt and closed chock shall be fitted refer to the OCIMF recommendation Category “A” for reference only. 609 Oil Spill Drain Tank Above pump room deck, oil spill collection tank shall be made. On each side of the main deck in the most aft part a scupper to be made which drains of in the Deck oil spill tank. The tank should be emptied with overboard valve controlled from the main deck and with the slop/stripping pump to the slop tank. 610 Mooring Equipment All figures need to be futher checked. Bollard : 355mm diameter double-bitts as shown on General Arrangement Mooring pipes : 355mm nominal size, cast steel as shown on General Arrangement Closed Chock : 315mm nominal cast steel as shown on General Arrangement Fairleads : 200mm dia single vertical rollers open type as shown on General Arrangement Page 76 of 156 5200 DWT OIL PRODUCT/CHEMICAL TANKER FULL SPECIFICATION 200mm dia double rollers open type as shown on General Arrangement. Only mooring equipment of the vessel to be suitable for ship to ship transfer operations, such as bollard and panama chocks. Mooring layout of vessel and detailed drawings of equipment shall be submitted to the Owner for approval. 611 Ladders and Steps 6111 Accommodation Ladders Accommodation ladder shall not be provided. Instead two portable aluminum wharf ladders one with 6 m in length and one with 10 meters in length shall be supplied. Both portside and starboard side near superstructure shall fit platform for the wharf ladder. 6112 Steel Ladder and Steps All cargo oil and slop tanks shall be fitted with vertical inclined ladders face afterwards. The maximum inclining angle shall not be exceed 75 degree. The ladders shall be made of mild steel and coated with the surrounding paint . The width of the ladders shall be approximately 450 mm. The step shall be made of two square bars with dimension of 22 x 22 mm. The arrangement of the ladder shall not obstruct the radar sensor. The steel vertical ladder of 300 mm width and with 300 mm step spacing shall be provided in all bunkers, ballast and fresh water tanks for access. Steel vertical ladders or steps to be also provided to deep tanks, service and settling tanks, unless space is limited and approval duty obtained from Owner, monkey steps will be acceptable. Vertical ladders shall be fabricated with 65 mm x 9 mm mild steel flat bar and step of a 19 mm square bar with vertical diagonal. Sufficient staris and ladders shall be arranged to provide convenient access Page 77 of 156 5200 DWT OIL PRODUCT/CHEMICAL TANKER FULL SPECIFICATION to all decks and platforms. All steps of stairs inside the accommodation shall be made of steel covered with appropriate sound absorbing material and finished with non – slippery top layer. Aluminum or stainless steel angle bar shall be installed on front of each step above the covering. Ladders shall be generally bolted to the structure. No vertical ladders are allowed in pump room and paint store. 612 Access Hatch and Manhole 6121 Access Hatch and Manhole for Cargo Oil Tanks One set of access hatch (swing away type) for each cargo oil tank, slop tank and deck tank shall be fitted. The clear opening of the access hatch is about 850 mm. The access hatch shall be arranged as per General Arrangement Plan and be approved by the Owner prior to construction. The hatch shall be installed as much forward as possible. The swing away hatch cover shall be used along with enough number of butterfly cleats. Each cargo tank entrance shall be marked with C.C. (Cargo Compartment) and tank number by welding bead. The round bar shall be placed on top of hatch coaming made of stainless steel AISI 316L. Gaskets shall be able to resist the cargo spill out in the cargo list. Hinge pins, lifting screws, pivoting axles, bushings and threaded fasteners to be of stainless steel AISI 316L. The height of swing away type hatch coaming shall be around 700 mm. The internal hatch coaming shall be painted with same surrounding coat applied to the cargo hold. 6122 Access Manhole for Water Ballast Tank Two watertight bolted flush type manholes cover with clear opening 600 x 800 mm(according to the Class rules) shall be fitted on each water ballast tank. Each ballast tank to be provided with a sample hatch (2-inch) for sampling the atmosphere in the tank bottom and top. Each ballast tank manhole shall be clearly marked with tank name by welding bead. Page 78 of 156 5200 DWT OIL PRODUCT/CHEMICAL TANKER FULL SPECIFICATION 6123 Tank Cleaning Hatch At least two set of hanged tank cleaning hatches of mild steel construction, of suitable size for use with portable tank cleaning machine shall be provided on each cargo tank and slop tank. Tank cleaning hatch dimensions are 355 mm diameter, with a height of 200 mm above longitudinals, which to be internally coated same as surrounding tank coating. The round bar on top of coaming to be of stainless steel AISI 316L. Gaskets must be cargo resistance. 6124 Sample Hatches Each cargo & slop tanks should be provided with a sample hatch with a minimum diameter of 125 mm fitted with flame arrestor according the rules. 6124 Small Hatches Following small hatch shall be of hinged or bolted type shall be provided. The height of hatch coaming shall comply with the requirement of class. Location No Type Opening Operated by Upper deck for 1 Watertight, 800 x 1200 Manual engine room bolted spare parts lifting Poop deck for 1 Watertight, 800 x 1200 Manual pump room hanged Forecastle deck 1 Watertight, 600 x 600 Manual for rope hanged with coaming Upper deck aft for 1 Watertight, 800 x 800 Manual steering gear hanged with coaming room 6125 Manholes Manholes shall have steel plate cover secured with stainless steel studs and nuts. Each manhole cover shall be fitted with one or two hand grip and marked with the name of the compartment. Page 79 of 156 5200 DWT OIL PRODUCT/CHEMICAL TANKER FULL SPECIFICATION The construction, materials of the manhole with covers shall be in accordance with the Builder?s standards unless otherwise specified. Location No Type Opening Operated by Aft. Peak tank 1 Watertight, 600 x 800 Manual bolted or with coaming hinged type Bunker tank 1 Oil tight, 600 x 450 Manual bolted Double bottom in Oil tight, 600 x 450 Manual engine room bolted with 100 mm coaming Each manhole shall be clearly marked with tank number/name by welding bead. 613 Life Saving Appliances Life saving appliances shall be furnished completely in accordance with SOLAS requirements and its Amendments 1981,1983, 1988 and 1994 and all amendments until the contract has been signed All equipment to be type approved by the maritime authority of the registered nation or its assigned authority. 1 Lifeboat GRP, enclosed free fall type, water cooled Suitable for Oil diesel engine driven for 14 persons. Tanker 1 Lifeboat davit Recovered A type, driven by fixed electric motor. 1 Rescue boat GRP, driven by diesel engine with 6 persons 1 Rescue boat To compliance with Rules and SOLAS davit required. Page 80 of 156 5200 DWT OIL PRODUCT/CHEMICAL TANKER FULL SPECIFICATION 2 Life raft Inflatable type, with 14 persons for each stowed in fiberglass containers with approved launching device. One for each side (P&S) as per SOLAS regulation. 8 Life buoy 2 – with self-igniting light of electric battery type. 2 – with self-activating smoke signal 4 – with 30 meters life lines 15 Life jacket 15 – Inflatable SOLAS approved life jackets stowed in the wardrobes of cabin 5 – stowed in the public place 1 Line throwing Complete with four life lines and four (4) appliance projectiles not less than 230 m. 12 Parachute As per SOLAS requirement. distress rocket signals 6 Rocket signals As per SOLAS requirement. 14 Survival suits as per SOLAS requirement. 614 Fire Fighting System Fire fighting system shall be installed in accordance with the latest requirements of SOLAS/IBC Code/Class and Flag State Cargo tank deck Fixed low expansion deck foam suitable for chemicals. area Sea water (alcohol resistance foam liquid) Engine room & Fixed high pressure CO system, 2 Pump room Sea water, Portable fire extinguisher. Portable foam extinguisher near boiler space. Accommodation Sea water, Portable fire extinguisher, Fire detection System (1C method in SOLAS Reg.) Paint store Water spray connected to fire main line, controlled just Page 81 of 156 5200 DWT OIL PRODUCT/CHEMICAL TANKER FULL SPECIFICATION outside the paint store. A fixed local application fire fighting water mist system to be protecting high risk item/area (main engine, aux. engine, boiler and purifier, etc.) in engine room to comply with SOLAS, 2000 Amendment. 615 Fire Hydrant System Fire hydrant system with stortz couplings combined with the wash deck service to be installed for accommodation quarters, open decks and engine room. Sea water to be supplied from the Fire/G.S pump.Particulars for Fire/General Service pump: ( Capacaties according to the regulations) No. of sets Two (2) sets Type Vertical centrifugal pump with self-priming. 3Capacity About 70 m/h Pressure 8 bar Drive Electric motor Casing Cast bronze Impeller Stainless cast steel Shaft Stainless steel Shaft seal Mechanical The main line shall be laid on the upper deck. Two international shore connection pieces shall be supplied. The fire hoses shall be 50 mm hard duraline with stortz coupling, except for 19 mm hard rubber on recessed reels with stortz couplings in the accommodation. 616 Foam Fire Extinguish System Foam shall be of Alcohol resistant type. A fixed deck foam system shall be installed as per the requirement of SOLAS. The arrangement for providing foam shall be capable of delivering foam to the entire cargo tank area as well as into any cargo tank and the deck of which has been Page 82 of 156 5200 DWT OIL PRODUCT/CHEMICAL TANKER FULL SPECIFICATION ruptured. Necessary amount of monitors on the deck within cargo oil tank region shall be provided as per the requirement of the Regulations. Portable foam nozzles to be supplied as well. Two sets of foam tank and proportioner shall be arranged in foram tank space. One is installed for spare.In accordance with the latest Solas rules. The foam solution tank is to store sufficient capacity of foam concentrate to ensure at least 30 minutes of foam generation through a balanced pressure proportioner with a foam pump. Capacity of foam tank to meet SOLAS requirements. Sea water for foam fire extinguishing system shall be supplied from foam water pump in engine room. 617 CO Smothering System 2 An approved CO extinguishing system is to be provided for engine room 2 and pump room. The system shall comply with the latest SOLAS regulations. CO bottle room is to be located on after bridge deck. The necessary pipes 2 and controls shall be supplied to provide the CO to accommodate. 2 Fire alarm shall be provided according to latest SOLAS and Flag state requirements. In engine room, pump room and accommodations. Portable foam, CO fire extinguisher, safety equipment and fireman?s 2 outfits shall be supplied and installed at suitable location in accordance with SOLAS/CLASS rules and Flag state. 618 Emergency Fire Pump One emergency fire pump shall be installed in the bow thrusters room to take direct suction from the sea chest and connect with the fire line /hydrants. Page 83 of 156 5200 DWT OIL PRODUCT/CHEMICAL TANKER FULL SPECIFICATION No. of sets One (1) set Type Vertical centrifugal pump with self priming. 3Capacity According to class rules and authority, abt. 40 m/h, Pressure 8 bar Drive Electric motor Casing Cast bronze Impeller Stainless cast steel Shaft Stainless steel Shaft seal Mechanical Emergency fire pump shall be centrifugal type pump driven by electric motor with the power supplied by emergency generator. 619 Personal Protection Protective equipment and safety equipment shall be provided in accordance with Authority requirements. Fire extinguisher As per the rules and regulations 4 Fireman?s outfit 4 – Self-containing air-breathing apparatus 4 – Protective clothing, boots, gloves and tight-fitting goggles 4 – Fireproof lifeline with belt resistant to the cargo 4 – Explosion-proof lamp 1 Fully charged spare For each breathing apparatus. air bottles 1 Stretcher with lifting As per SOLAS device 15 Respiratory and eye One for each crew protection 1 First aid equipment In wheel house/cargo office/eng.control room and galley. Page 84 of 156 5200 DWT OIL PRODUCT/CHEMICAL TANKER FULL SPECIFICATION 2 Flammable gas As per SOLAS detector 2 Toxic gas detector As per SOLAS 2 Oxygen detector As per SOLAS 1 Oxygen resuscitation As per SOLAS 1 Decontamination As per Solas & IBC Code shower & eye washer EEBD sets according the latest SOLAS requirements 3 Breathing Apparatus according to the IBC Code requirements. Protective clothing according the IBC Code requirements Compressor for filling the Breathing apparatus Air bottles. Min 300 bar. All breathing apparatus must be from the same type and same pressure (300bar) 40 ltr Oxygen bottle fixed near the hospital and a fixed pipeline sytem and outlet manifold inside the hospital in accordance the latest Solas regulations. All in accordance with the Solas and IBC code. 620. Fire Fighting System Fire fighting system to be installed in accordance with requirements of SOLAS / IBC code/Class and Flag state Regulations. Cargo tank deck Fixed low expansion deck foam suitable for chemicals. area Sea water (alcohol resistance foam liquid) Engine room & Fixed high pressure CO2 system, Pump room Sea water, Portable fire extinguisher. Portable foam extinguisher near boiler space. Accommodation Sea water hydrants. Portable fire extinguisher, Fire detection System (1C method in SOLAS Reg.) Paint store Water spray connected to fire main line, controlled just outside the paint store. Pump room Fixed gas and oxygen detector Page 85 of 156 5200 DWT OIL PRODUCT/CHEMICAL TANKER FULL SPECIFICATION A fixed local application fire fighting water mist system to be protecting high risk item/area (main engine, aux. engine, boiler and purifier, etc.) in engine room to comply with SOLAS, 2000 Amendment. 700 Equipment for Cargo 701 General The vessel shall be designed to have twelve cargo oil tanks, two slop tanks and two deck tanks. Slop tanks to be used as cargo tanks as well. Three sets of cargo oil pump shall be provided in cargo pump room. The cargo pump shall be driven by independent electric motor controlled by a frequency convertor and controlled from the ccr. connected through a gas tight/ oil filled bulkhead gland from engine room. The capacity of each cargo pump shall be as following:agreed after receiving quotation from Shipyard. 33 sets Twin-screw type, 500 m/h x 80 mLc for each Gas tight oil filled bulkhead gland shall be in accordance with the Class regulations. (temperature alarms shall be fitted.) The system shall be able to load and discharge three different grades of cargo oil simultaneously without contamination. Each grade using its own line/filter and cargo pumps. Separation each other by double shut valve during cargo handling except stripping operation. That means the cargo pumping system shall be designed to facilitate easy loading and cleaning operations. The general discharge and loading design criteria are as follows: Page 86 of 156 5200 DWT OIL PRODUCT/CHEMICAL TANKER FULL SPECIFICATION Design pumping criteria Pressure head: 90mLc. at pump outlet with cargo 3S.G. 0.8 t/m Cargo viscosity 1.0 cSt up to 1000 cSt Design discharge time 6 hours at design criteria with 3 cargo pumps running simultaneously, incl. stripping. 33Maximum discharge rate 1500 m/h at 90mLC., S.G. 0.8 t/m 3Maximum loading rate Total 2000 m/h. Segregation -- Full segregation (3 separate cargo tanks) -- Simultaneous discharge of three (3) grades via separate pumps/lines and manifolds. -- Simultaneous loading of three (3) grades over manifolds and pump room lines to cargo tanks. -- 2-valve segregation between each grade/tanks. Cargo pipeline system will be attached to the contract and to be agreed by Buyers prior the construction 702 Loading and Discharge System for Liquid Cargo 7021 Cargo & Stripping/Slop Pumps Cargo pumps shall be installed in pump room driven by independent electric motors in engine room delivering to discharge to the manifolds. Cargo pumps are dual suction, individual, screw type pumps. Loading combinations: 1) Cargo pump (with alarms etc. according the latest Class regulation.) Number of units Three (3) sets Type Single stage, twin-screw type pumps 3Design capacity 3 sets x 500 m/h for each with electric motor in engine room. The electric motor shall be controlled by frequency converter controlled from CCR. Page 87 of 156 5200 DWT OIL PRODUCT/CHEMICAL TANKER FULL SPECIFICATION 3Design pressure head at outlet 80 mLc, S.G. 0.8 t/m, 1.0 cSt Materials Casing Niresist Screw 20CrNi17 Shaft 20CrNi17 Drive Electric motor in engine room. Electric Motor controlled by frequency controller from CCR. Shaft seal Double Mechanical seal filled with liquid. 2) The cargo stripping pump will be an air driven diaphragm pump and shall be used as slop pump also. Number of units One (1) set Type Diaphragm type 3Design capacity 40~50 m/h 3Design pressure head at outlet 80 mLc, SG. 0.8 t/m, 1.0 cSt Drive Air driven. Mounting Nominal mount. 3) Cargo Piping The system shall be able to discharge and load three (3) different grades of cargo oil simultaneously without contamination. When discharging oil, three (3) sets of screw type cargo pump shall be worked simultaneously, total discharge rate to be 1500 m3/h at 90 mLc and to be capable of discharging cargo oil completely during 6 hours, including 3stripping. One set of stripping pump with capacity of 40~50 m/h at 80 mLc shall be installed for cargo tank stripping.. There are three (3) upper deck main lines and three (3) manifolds on upper deck cargo oil range, one (1) for each segregation. The manifold and associated equipment and their arrangement shall refer to OCIMF recommendation, as practice. Cargo oil pipe systems in cargo tanks and on upper deck shall Stainless Page 88 of 156 5200 DWT OIL PRODUCT/CHEMICAL TANKER FULL SPECIFICATION Steel AISI 316L (designing pressure 1.5 MPa). Shall use 45 elbows with real looping. Butt welding shall be used. No sleeve shall be applied. On valves loose flanges can be used. For electric ground of cargo pipe lines, yard can choose the way of using cable or plate. The manifold will follow ANSI standard. The rest of piping system shall follow ISO standard. See cargo pipeline diagram. Individual connecting pipe to be installed in the left and right slop tank to let oily water two stage deposit. Each cargo oil tank has a loading pipe. The cargo piping lines in cargo tanks shall be of Stainless Steel AISI 316L as well with reference to cargo pipeline diagram. The Oil Companies International Marine Forum's (OCIMF) Standard for Tanker Manifold and Associated Equipment, latest issue), to be accordance with, where relevant. The cargo piping system to be arranged as follows: See Cargo pipeline diagram. Cargo piping according to the agreed Cargo pipeline diagram. Drip trays Drip trays with gratings and drains to be fitted underneath Port & Starboard cross over line manifold. Size and volume of trays shall generally be according to IMO and OCIMF regulations. Drain lines to be of mild steel also. Cargo valve Hydraulic type remote control butterfly valve in cargo Page 89 of 156 5200 DWT OIL PRODUCT/CHEMICAL TANKER FULL SPECIFICATION tank and ballast tank. All valve on deck to be manually operated. After completion of the discharge phase the stripping of the cargo system to be carried out by the cargo pump through stripping pipe in cargo tank suction well. A cargo control room shall be fitted for remote control of the cargo pumps, stripping/slop pump, ballast pumps and all cargo oil, ballast water valves in tank. Also a remote tank level gauging system, an oil discharge monitoring system and a pipe line mimic diagram with remote operation of valves to be located in the cargo control room. 7022 Cargo Valves Cargo valves should be in accordance with the agreed cargo pipe line diagram diagram. All material which will be in contact with the cargo must be of stainless steel AISI316L and PTFE lining / sealing. Cargo valves in cargo tank fully S.S AISI316L. Butterfly valve?s, wafer type designed for two way flow direction. All cargo valves bigger than DN150 need to be operated by gearbox. 703 Cargo Heating System 0The cargo heating system to be capable of maintaining cargo at 60C with 00sea temperature 0C and ambient air temperature -5C. The heating capacity shall be sufficient to raise temperature of a full cargo 000load from 44C to 66C in 96 hours with ambient air temp. –5C and sea 0water temperature 0C. Slop tank heating shall be capable of raising the 00temp. of a full slop tank from 15 C to 66 C in 24 hours under the same ambient conditions. The cargo should be heated with steam directly. Each heating coil should Page 90 of 156 5200 DWT OIL PRODUCT/CHEMICAL TANKER FULL SPECIFICATION have a sampling cock on the return line and the common return line should have a observation tank inside the pump room. Heating pipe on deck shall be of pre-insulated mild steel pipes. Heating system valves to be manually operated from tank deck. 7031 Valve?s for heating coils Steam supply valve?s, condens return valve?s and steam trap for cargo tank heating coils to be cast steel material. 704 Cargo Tank Vent/Gas Free System 7041 Cargo Tank Ventilation A ventilation system shall be installed providing for individual ventilation of each cargo tank. Each cargo tank and slop tank shall be fitted with a gas freeing/venting line from tank hatch fitted with pressure/vacuum valve and high velocity nozzle with discharges outlet according to request of Class above main deck. Each cargo tank and slop tank shall fit a high velocity pressure/vacuum valve for cargo tank ventilation. All tank vent-lines to be gathered to two (2) central venting towers respectively. No. of sets One (1) for each cargo and slop tanks, total 12 sets Type Class approved type High Velocity Press/Vac valve Setting press + 0.2 Kg/cm2 - 0.035 Kg/ cm2 Venting velocity Min. 30 m/sec. According the press/vac manufactory pressure drop calculation Location In two venting towers/ position to be agreed by buyers prior the construction. Page 91 of 156 5200 DWT OIL PRODUCT/CHEMICAL TANKER FULL SPECIFICATION All vent pipes shall be sloped to tank for drainage. AISI 316L stainless material shall be used. The cargo ventilation pipes to be fitted with a ball valve(DN15). 7042 Gas Freeing System Sufficient gas freeing arrangements shall be provided to allow gas freeing according to IBC - Code 8.5. 12 for minimum two (2) cargo tanks simultaneously. Gas freeing and drying system shall be provided by means of fixed gas free fan and portable water driven gas free fans. The system should consist of the necessary ventilation arrangement, one (1) common ventilation line on the main deck and flexible hose connection to each cargo tank. Fixed gas free fan Portable gas free fan Number of set Two (2) sets One (1) set Capacity 120 m3/min x 500 mm Ag 60 m3/min x 30 mm Ag Air heater 120 m3/min x 400C 705. Vapour Return System One vapour collecting main line on deck with valves and portable (flexible) connections to cargo tank vent lines are to be provided for each cargo tank vapour emission. A flexible connection shall be provided between vapour collecting main line?s and each cargo and slop tank. Four (4) vapour connection shall be provided, two on each side of the ship, with presentation flanges at the cargo manifold area. Page 92 of 156 5200 DWT OIL PRODUCT/CHEMICAL TANKER FULL SPECIFICATION One vapour connection shall be located forward of the manifold and one located aft of the manifold on each side of ship. Lines to be of stainless steel AISI 316L. A sensor for remote reading of vapour pressure in cargo tanks shall be arranged as an integral part in deck units for radar level system. Vapour emission control system to be provided in accordance with USCG requirements except lightening provisions. 706 Tank Cleaning System Tank cleaning system and equipments shall be agreed in corporation with the Maker and Owner and to comply with SOLAS & MARPOL regulation. The tank cleaning system shall be arranged for washing with fresh water and/or seawater, hot or cold with cleaning solutions. Tank cleaning pump shall take fresh water from clean fresh water tanks and/or sea water from sea chest. Tank cleaning pump placed in pump room and driven by the motor connect through a gas tight oil filled bulkhead gland Arrangement for using cargo pumps to deliver re-circulated washing water to cleaning machines shall be included. Two (2) fixed tank washing machine twin nozzle 7mm. (abt.10 m3/h x 7.0 bar) to be installed on the top of each cargo oil tank and one (1) set for each slop tanks. It shall be decided based on Manufacturer?s recommendation. The tank cleaning system to be designed to wash two (2) cargo tanks ( 4 washing macine?s apr.50 cbm/hr) simultaneously. Page 93 of 156 5200 DWT OIL PRODUCT/CHEMICAL TANKER FULL SPECIFICATION Seawater shall be pumped by tank cleaning pump through a tank cleaning 0heater to provide to cleaning machines with hot sea water at 60C from sea 0water supply of 5C. i.e. the butter wash heater must be able to heat up apr. 60 cubic meter of water from 5 degrees up to 60 degrees. The tank cleaning main pipes shall be arranged on the upper deck in way of cargo oil space, which to be fitted with flexible connection (butterwash hoses) to the branch pipes with stop valve and to be connected with each fixed tank washing machine. The material of tank cleaning pipe to be hot galvanized steel (Sch.40) on upper deck and stainless steel (AISI 316L) in cargo tank. A minimum of two tank washing hatches for each cargo tank to be provided for portable washing machines (9 m3/h x 8.0 bar). It to be situated to best advantage the shadow area of the fixed machines, which will be verified by Manufacturer and approved by buyers prior construction. Two (2) portable tank-washing machines and connected hoses to be supplied by the shipyard for tank cleaning through tank washing hatches. Normaly it is in the scope of supply of the butterwash manufactory. After tank cleaning, the washed oily water in each cargo tank to be pumped by its own cargo pump to slop tank or to the tank washing tank on deck and to be deposited through to be discharged out of side by the pump from slop tank under oily water discharge monitor.(O.D.M.E.) Tank cleaning Fixed cleaning Portable cleaning Cleaning pump machine machine heater Number 1 set 26 sets 2 sets 1 set Type Hyd. Cent. Twin nozzle 7 mm Twin nozzle 7 mm Shell & tube Page 94 of 156 5200 DWT OIL PRODUCT/CHEMICAL TANKER FULL SPECIFICATION Capacity 70m3x80mlc 10 m3/hr x 7 bar 9 m3/h x 7 bar 700C Material AISI316L AISI 316L AISI 316L AISI 316L 707 Auxiliary System & Equipment for Cargo Cargo and ballast operations to be carried out from the cargo control room. There shall be a loading and operational computer with terminal, display unit and printer installed in the cargo control room. Cargo and ballast pump -- Remote start/stop the cargo & stripping pump, control /tank cleaning pump and ballast pumps from cargo control room. -- Emergency stop from cargo control roomand near the manifold both sides.. Cargo/ballast valve -- Electro-hydraulic type for remote operation of remote control major cargo/ballast valves in cargo/ballast tank --The position indication (open/close) of remotely controlled valves to be indicated in cargo control room. Manifold valve control. Local operation at manifold side. Cargo tank level gauge.& Radar type with remote readout in C.C.R. for each Tank pressure gage. cargo and slop tank, Tank pressure sensor build in the radar unit. Independent high level One (1) dual sensor for each cargo oil tank and and high-high level alarm slop tank with audible and visible alarm. Cargo tank temperature At least two (2) sensors for each cargo & slop tank gauge with remote readout in cargo control room. Ballast tank level gauge Electro-pneumatic type with remote readout from cargo control room. Draught gauge (4 points) Electro-pneumatic type with remote readout from cargo control room. Oil pollution prevention 1 - Oil discharge monitoring & control system Page 95 of 156 5200 DWT OIL PRODUCT/CHEMICAL TANKER FULL SPECIFICATION system according to MARPOL 73/78 (Annex I) and light chemicals Portable cargo monitoring 1 - For ullage measuring, oil/water interface equipment detecting, hand dipping, temperature measuring by means of portable oil/water interface detece on upper deck. 708 Cargo Control Room One (1) cargo control room to be arranged at accommodation deck forward. One (1) micro-processor based cargo monitoring and loading computer including two (2) screens, two (2) keyboards and printer at the conrtrol console and panel in cargo control room to cover the following functions: Remote level measurement alarm in cargo /slop tank. Remote Cargo Tank pressure measurement read out with alarms in CCR. Remote level gauging of all ballast tanks, F.O. tanks, F.W. tanks. Independent high level (95%) & high-high level (98%) (overflow) alarm for cargo/slop tank. Temperature monitoring of all cargo tanks F.O. tanks and slop tanks. Draft of the vessel (4 points) Oil discharge monitoring & control system Hydraulic power station for valve operation Control & position indication of remotely controlled valves Loading computer with software programs (on line with the monitoring system.) Remote read out pressure and vacuum meters of All Cargo pumps in CCR. Remote read out pressure and vacuum meters of ballast/tank cleaning pumps in CCR. Remote read out of temp. and alarms of cargo pump readings and all bulkhead glands. Page 96 of 156 5200 DWT OIL PRODUCT/CHEMICAL TANKER FULL SPECIFICATION Remote read out of Cargo temperature and Pressure from manifold. 709 Oil Discharge Monitoring and Control For the prevention of marine pollution, an oil discharge monitor, control system and potable oil/water interface device to be provided to meet IMO RES. A586 (XIV) requirements. The system comprised the following main components. (1) Oil content meter in pump room (2) Flow meter in pump room (3) Operator's console in CCR (4) Valve control unit in pump room (5) Electric motor in engine room. Drip trays with mild steel grating shall be fitted beneath port and starboard manifolds. Which size and volume of trays shall refer to IMO & OCIMF requirements. Page 97 of 156 5200 DWT OIL PRODUCT/CHEMICAL TANKER FULL SPECIFICATION 800 Hull Piping System 801 Ballast System Ballasting and de-ballasting system to be provided for double bottom and wing ballast tanks as well as fore peak tank and after peak tankTwo (2) sets of single stage, horizontal centrifugal type water ballast pump placed in pumproom driven true a gas tight oil filled bulkhead gland by electric motor placed in engine room. Ballast pump and gastight bulkhead passing according to class. One (1) ballast ejector of 50 m3/h to be fitted in pump room, which driven by the ballast pumps. The pumps to be remotely operated from cargo control room, and shall have piping arrangement for effective filling and discharge of water ballast tanks. Remote read out Pressure and Vacuum meters in CCR. The ballast pumps to have suction from sea chests in pump room and deliver to two (2) main ballast lines installed in each side of the double bottom with branches to each ballast double bottom and wing tank as well as fore peak tank. The particulars of water ballast pump to be as follows for each to deballast the vessel within five (5) hours. No. of sets Two (2) Type Single stage, horizontal centrifugal type pump 3Capacity 200 m/h Pressure 25 mLc Drive Electric motor driven Casing Bronze Impeller Bronze Shaft Stainless steel Seal Mechanical Page 98 of 156 5200 DWT OIL PRODUCT/CHEMICAL TANKER FULL SPECIFICATION A ballast delivery line to deck in cargo manifold area for connection to cargo cross over by spool-piece for emergency ballasting to be arranged. Shifting of ballast water between tanks shall not be considered. Ballast valves shall be of butterfly type and deck controlled as per Bengbu project. For the remote level measuring system of water ballast tanks to be controlled and readout at cargo control room. Arrangement of small hatches for local gas detection in ballast tanks and closed space in dangerous area to be fitted ( Pipes on main deck, designed for portable gas detection equipment). The fire/general service pump shall be connected to the sea main suction line and serve as aft peak tank ballast pump. Piping material Piping Dia. Piping Flanges and Remarks Material fittings WB pipes All Gal. steel ISO Sch.80, hot galv. Or artificial Valves Valve type No. Dia. Casing Trim Material Remarks material Butterfly acc.drwg All Cast Iron Bronze valve Non-return acc.drwg All Cast Iron Bronze valve Page 99 of 156 5200 DWT OIL PRODUCT/CHEMICAL TANKER FULL SPECIFICATION 802 Bilge Piping Bilge piping shall be arranged according to the Class Rules and Authorities requirements. Emergency bilge connection shall be arranged as required by class rules. Water in steering gear room shall be drained to engine room and bilge wells through self-closing valve in engine room. Chain lockers, stores rooms in forecastle, cofferdam and bow thruster room to be served by bilge ejectors of 40~50 m3/h. Drive water supplied by fire/deck-wash line. Bilge, fire & general service pumps in E/R take suction from bilge wells and discharge overboard directly in emergency case only. One small bilge pump takes suction from bilge wells and discharge into the bilge water holding tank or overboard. One (1) set of oily water separator shall be provided. The oily bilge separator takes suction from bilge wells and bilge water holding tank, the oil in the bilge water will be separated from the bilge water and separated bilge water (<15ppm) will be discharged overboard. The oily water separator shall be provided an automatic oil drain control device, oil content monitor and a 15 ppm alarm and necessary fittings such as valves and a pressure gauge. Oil content in discharge water shall be constantly monitored. In case of the high oil content effluent will be automatically directed back to bilge water holding tank and give out an alarm signal. bilge water holding tank and dirty oil tank with capacity according to rules to be arranged. Oily bilge pump Page 100 of 156 5200 DWT OIL PRODUCT/CHEMICAL TANKER FULL SPECIFICATION No. of sets One (1) set Type Screw or piston type or Manufacturer?s standard Capacity To be according to oily water separator capacity Pressure ~3 bar Drive Electric motor Oily water separator No. of sets One (1) set Type Gravity difference separator without filter cartridge 3Capacity 1.0 m/hr, below 15 PPM Automation Automatic oil contents monitoring and 15 ppm alarm system accordance the regulations to be used also in special area annex 1 Heating if any Elec. heating 803 Drainage System Sufficient number of scuppers of suitable dimension to be fitted to all decks, deck house and casing tops, etc. Spill tank shall be allocated at the after ballast tank. Deck opening to be closed off by mechanical expanding plugs. 804 Sounding System Sounding pipes for manual sounding shall be fitted to F.O. tanks, F.W. tanks, W.B. tanks, sludge tanks, drain tanks, cofferdams, void spaces, chain locker etc., except cargo and slop tanks. Pipes shall terminate at accessible locations. Each sounding pipe shall be clearly marked with the tank number by welding bead. Page 101 of 156 5200 DWT OIL PRODUCT/CHEMICAL TANKER FULL SPECIFICATION Graded view glass to be used where suitable, for instance for LO tanks. The sounding points shall be located as near to the suction pipes as possible. Small tank sounding connection shall terminate at the tank. No sounding pipes to pass through cargo tanks. Sounding pipes extending to open deck to be fitted with bronze cap. Self closing sounding head to be fitted for sounding pipe of double bottom tanks in engine room. The material of sounding pipes for WB and FW tanks shall be galvanized steel and for oil tanks (not cargo tanks) shall be mild steel. The material of sounding/ullage pipe of cargo tanks should be of stainless steel and should be perforated pipe with calibrated vapour lock and on top a valve connection for the UTI . A remote sounding system for draught, water ballast tanks, F.O. tanks and F.W. tanks based on electric pneumatic measurement to be fitted. 805 Air-conditioning System Air-Conditioning system to be installed to serve as ventilation, cooling and heating for all living rooms, public rooms, offices and wheel house. Heating shall be executed with both electrical and steam elements. Main particular of air-conditioning system to be as follows: R-404A direct expansion, electric motor driven. With condenser, receiver, gas dryer and separator. central units, consist of supply fan, heating chamber, cooling chamber, sound dampers, filters and necessary attachments. The air supply to be interconnected between the outlets of central units. Steam heating coils to be installed in unit. The system is to consist of a high velocity, central unit, single duct system Page 102 of 156 5200 DWT OIL PRODUCT/CHEMICAL TANKER FULL SPECIFICATION consisting of light pre-fabricated and pre-insulated pipes, preferably two concentric tubes mineral wool in between and designed to meet following conditions: Tropical Winter condition condition OOWater temperature 32C 0C OOOutside air temperature / Relative Humidity 35C / min. 70 % -5C / 50 % OOInside air temperature / Relative Humidity 28C / 50 % 20C / 30 % In mild climates for certain sailing area when cooling is not required, the system to serve as mechanical ventilation for the accommodations, supplying fresh air only. And air changes are to be about 6 times per hour for living room and to be about 8 times per hour for public room.~ 8 times/b for wheel house spot cooling Central exhaust re-circulation system shall be applied, 40% fresh air supply shall be maintained. One (1) packaged air conditioning unit to be arranged for engine control room. Tropical condition OOutside air temperature / Relative Humidity 35C / 70 % OInside air temperature / Relative Humidity 29C / 50 % At least 2 air changes per hour. Refrigerant for all air conditioning plants to be R-404a. 806 Mechanical Ventilation Mechanical Ventilation for Accommodation Following compartments to be served by mechanical supply or exhaust Page 103 of 156 5200 DWT OIL PRODUCT/CHEMICAL TANKER FULL SPECIFICATION ventilation system, capable of giving the following rate of air changes per hour. Air change Mechanical Mechanical Compartment (times/hour) Supply Exhaust (times/hour) (times/hour) Living space 6 - - Public space 8 - - Office space 8 - - Wheelhouse & chart space 8-10 - - Cargo control room 10 - - Sanitary space - - 15 Laundry, shower rooms - - 10 Galley - 40 40 Locker - - 10 Pump room 45 45 Paint store 20 20 The ventilation system to be of low pressure system. For compartments where only mechanical exhaust ventilation is applied, the air to be supplied from adjoining passageways through louvers on the entrance door and/or by natural ventilators. Mechanical Ventilation for Machinery Space (1) Engine room fanThe fans for engine room to be axial flow type. The ventilation fan to supply fresh air to the operating stations and necessary places in the engine room through air ducts. Number of set 2 sets Capacity each 100% higher than consumption of all combustion machinery and boilers according to class rules Type -- Axial flow -- Reversible el.-motor driven. Page 104 of 156 5200 DWT OIL PRODUCT/CHEMICAL TANKER FULL SPECIFICATION -- One of the fans to have start/stop outside engine room. (2) Engine control room ventilation supply fresh air from engine room duct. (3) Purifier room supply fans Number of set Exhaust Capacity each According to size of compartment Type Axial flow Non-reversible, el.-motor driven. (4) CO2 room exhaust fan Number of set 1 Capacity each According to size of compartment Type Axial flow El.-motor driven. (5) Bow thruster room fan Number of set 1 Capacity each Sufficient to achieve 25 air changes per hour Type Axial flow , El.-motor driven. In the ventilator ducts just below the fan unit silencers to be installed. The fan and driving motor to be incorporated in the fan casing, the fan and motor to be mounted in common bed plate. Fan impeller to be dynamically balanced. 807 Natural Ventilation Mushroom, gooseneck or wall ventilators to be fitted for ventilation of store spaces, steering gear room, etc., wherever. Page 105 of 156 5200 DWT OIL PRODUCT/CHEMICAL TANKER FULL SPECIFICATION 900 Machinery Part 901 General The main propulsion unit shall be a medium speed diesel engine through gear boxes, and driving a controllable pitch propeller through line of shafting respectively. The engine to be arranged as a single bank engine with clock wise direction locking forward. The manoeuvring stand for the main engine shall be located in wheel house central console and bridge wings .and in the centralized control room in the engine room. For emergency condition it shall be controlled at engine side. The machinery installation of the ship to be designed, constructed and installed in accordance with the requirements of Classification Society. The main engine shall be designed so as to burn heavy fuel oil with a viscosity up to 380 cSt and temp. in accordance with maker?s instruction under a normal sea going condition & manoeuvring, and also heavy fuel oil shall be used for, starting as well as before stopping conditions. The electric generating system shall consist of two (2) main diesel generators, and one (1) emergency generator. And 1 shaft generator The main switchboard shall be suitably arranged in the centralized control room and emergency switch board shall be arranged in the emergency generator engine room. The capacity of the power plant to be based on the following conditions: Condition Number of sets working Page 106 of 156 5200 DWT OIL PRODUCT/CHEMICAL TANKER FULL SPECIFICATION Normal sea service One D/G or shaft generator Sea service with tank washing Two D/G or shaft generator Full Discharging cargo One D/G Manoeuvring with bow thruster Two D/G and shaft generator Harbour One D/G Generator engines shall be designed to burn marine diesel oil. The heating plant for the vessel shall consist of one (1) oil-fired steam boiler and one (1) exhaust gas economiser. The oil fired steam boiler is used for fulfilling the usage of cargo oil tank heating, cargo oil tank cleaning sea water heating, lube oil heating, and hot water heating for domestic usage. The exhaust gas economiser is used for improving the heat recovery. The oil fired steam boiler shall be designed to burn heavy fuel oil with a viscosity up to 380 cSt and temp. as per makers instruction. ( same as main engine) Air compressors and pumps for the propulsion system shall be so designed that the main engine is satisfactorily operated at maximum continuous output with following design conditions: 0Sea water temperature 32C 0Fresh water temperature 36C 0Ambient temperature 45C Atomospheric pressure 0.1 Mpa Relative humidity 60% Centralized and automatic controls shall be provided for the propulsion plant, auxiliaries, etc. and to comply with the requirements of BV AUT- _ UMS notation. Page 107 of 156 5200 DWT OIL PRODUCT/CHEMICAL TANKER FULL SPECIFICATION 902 Principal Particulars of Machinery 9021 Main Engine One (1) – MAN B&W 9L28/32A or equivalent. 4-stroke cycle, in-line, water cooled, direct injection, single acting, trunk piston unreversible, medium speed type marine diesel engine with turbocharger and air cooler. Type MAN B&W 9L28/32A Number of set One (1) set Max. Continuous Output 2205 kw x 775 rpm Continuous Service Rating 1984 kw x 748.2 rpm No. of cylinder 9 Dia. of cylinder 280 mm Stroke of piston 320 mm Brake mean eff. Press 19.3 bar Fuel oil consumption rate 192 g/kw.h at MCR Acceptance test run shall be carried out with MDO-fuel on maker?s test bed according to the program of the maker?s standard test bed run. Fuel oil consumption according to ISO Standards 3046/l, based on a net calorific value of 42700kJ/kg (10200 kcal/kg) at maximum continues rating: Main engine to comply with MARPOL 73/78 Annex VI Regulation 13 (Mandatory code on NOx emission). 9022 Flexible couplings Maker Vulkan or similar. final coupling type will be based on the toisional vibration calculation. One(1) Flexible coupling engine – gearbox One(1)Flexible coupling engine – gearbox PTO (abt. 500 kW) Page 108 of 156 5200 DWT OIL PRODUCT/CHEMICAL TANKER FULL SPECIFICATION 9023 Reduction gearbox Model: Type: Single stage reduction gear, vertical offset with Hydraulically operated multi-disc clutch Number: One(1) set Reduction ratio: Approx. 3.5 :1 Propeller speed: about 201 rpm 9024 Shaft and Propeller Shaft The construction and components of shafting is according to the standard of maker and rule of class. Gear ,shafting and propeller shall be supplied with package by The maker.including controlling device. Shaft shall consists of: One (1) propeller shaft One (1) intermediate shaft, if any The shafting of forged steel to consist of one propeller shaft with gear box subject to main engine maker final configuration. Aft end of the propeller shaft to be of solid coupling flange. Fwd end the propeller shaft to be of hydraulic flange coupling. Aft and fwd end of the intermediate shaft to be of solid coupling flange. The hollow bored shaft, containing oil pipes for propeller blade adjustments has an integral forged flange at propeller sides and a hydraulic coupling at forward side, so that with draw of the shaft to aft is possible. Stern Tube and Bearing The stern tube shall be of welded construction of steel plate and welded to the stern frame boss and constructed as a part of hull structure. The stern tube to be provided with white metal lined cast iron bushes having dimensions as per rules requirements. The stern tube inner part to be oil filled. Page 109 of 156 5200 DWT OIL PRODUCT/CHEMICAL TANKER FULL SPECIFICATION Oil pressure to be provided by gravity tank installed at suitable height in accordance with the seal maker?s recommendations. Lubricating of the stern tube bearings to be carried out in accordance with Builder?s standard practice. A Torsional analysis for the propulsion system, consisting of the main engine shafting , propeller & PTO system will be carried out by the manufacture of the main engine in accordance with Classification Societies. Bush bearings shall be installed in accordance with makers instruction. One (1) controllable-pitch propeller shall be installed in accordance with the CPP manufacturer's standards. The propeller rated for maximum continuous rating of 2205 kW at Propeller speed ~ 201 rpm. The propeller shall be 4 bladed. The blades are bolted to the hub and the hub to contain a hydraulically operated actuating cylinder for propeller blade adjustment. The hub is flange mounted to the propeller shaft. Type Controllable pitch type Number One (1) set About 3200 mm Diameter of propeller 201 rpm Revolution of propeller Material Ni-Al-Bronze Manufacturing Class I of ISO 484/1 tolerance Spare propeller One (1) spare blade for each ship A hydraulic power system to be supplied, consisting of one set of hydraulic oil tank and electric motor driven pumps according to Maker?s Page 110 of 156 5200 DWT OIL PRODUCT/CHEMICAL TANKER FULL SPECIFICATION recommendation. Manoeuvring by pitch and speed control to be operated from the wheelhouse. It is strongly proposed to purchase the propulsion package from one source as a matched system such as a complete B&W propulsion package. 9025 Boiler Plant The vessel to be fitted with one (1) oil-fired steam boiler and one (1) exhaust gas economiser. The boiler?s capacity to be suitable for max. cargo heating and tank washing requirements. Two (2) boiler feed water pumps to be provided. HFO/MDO Change over unit to be supplied. The boiler to supply heated steam to the following system: -- Heating coils for cargo tanks (AISI 316L) -- Heating coils for slop tanks (AISI 316L) -- Tank washing heat exchanger -- Heating coils for HFO storage, service and settling tanks -- Heating coils in sludge and dirty oil tanks. -- Steam heating of fuel system components as required -- Accommodation heating via. Air conditioning unit -- Domestic hot water heating Oil-fired Boiler Type Oil fired steam boiler Heavy Oil 380 cSt. Number One (1) set Capacity abt. 5000 kg/h Fuel Heavy Oil 380 cSt. and Marine diesel oil at ignite & before stop furnace Page 111 of 156 5200 DWT OIL PRODUCT/CHEMICAL TANKER FULL SPECIFICATION The boiler will be oil-fired type of vertical cylindrical design, completely insulated and provided with the following valves and gauges. Main steam valve, safety valves, level gauges, feed water shut-off and non-return valves, scum valves and pressure gauges. Exhaust gas economiser: Type Exhaust gas Number One (1) set Capacity, exhaust heated Max. utilisation of available waste heat in main engine exhaust, according to manufacturer?s recommendation Pressure As per manufacturer?s Steam pressure: 0.7 MPa 9026 Electric Generating Plant General The diesel driven generators are arranged in the engine room, while the diesel emergency generator is installed outside of the engine room in accordance with Classification Societies requirements. Two (2) main generator sets and one (1) emergency generator set to be provided. PTO generator from M.E. & gearbox also shall be installed .Its output ~500kw All generators to be of drip-proof marine type, brushless and self-magnetizing with voltage regulation. The power plant to include: Two (2) --- Diesel generator sets One (1) --- Emergency generator One (1) -- Shaft Generator A shaft generator to be fitted on a primary pto from the gearbox Shaft generator must be able to run parallel with the main generators during take over only. Shaft generator to feed the bow thruster during maneuvering Page 112 of 156 5200 DWT OIL PRODUCT/CHEMICAL TANKER FULL SPECIFICATION Main diesel generator sets (A) Diesel engine: Type Turbo-charged, 4-stroke marine diesel engine. Rated According to Electrical power calculation in connection Kw with the electrical pump drive system. Rated revolution about 1800 rpm Cooling Fresh water, Box cooler Lubrication Sump Fuel type Marine diesel oil Starting Compressed air Output of main generating diesel shall be at one end to drive generator, Arrangement for pre-lubrication of stand-by engine is to be provided. Start/stop from ECR or local, whichever is in control mode. Diesel engines for main generators driving to have continuous rated output to drive the generator under the ambient conditions stipulated by the Classification Society. The engines to be of the marine high speed, four-stroke type, with direct injection, supercharging with internal fresh cooling water and lub oil system. Each engines together with its generator to be installed elasticity to the ship structure. Engine to be fresh water-cooled.(Box coolers) Each engine to have attached freshwater circulating pump, F.W. cooler and L.O. cooler, and being fitted with suitable prefabricating equipment Cooling system Box coolers Cylinder cooling: internals F.W. cooling system Charge air cooling: F.W.cooled Lubricating oil cooling: internal F. w. cooled Starting air system: compressed air 30 bar Page 113 of 156 5200 DWT OIL PRODUCT/CHEMICAL TANKER FULL SPECIFICATION Fuel oil system: MDO (B) Alternator: Drip proof, self-ventilated, brushless type about ) AC.450V, 60Hz. at 1800 r/min. According to Electrical power calculation in connection with the electrical pump drive system Emergency generator set A diesel driven emergency generator set to be provided in emergency generator room. The emergency generator room is to be well insulated and diesel generator to be mounted on resilient foundations to minimise noise transmission. (A) Emergency Diesel Type 4-stroke, marine type, Rated Output abt. 250 kw Rated revolution 1800 r/min. Cooling Air-cooled (Radiator cooler) Lubrication Sump Fuel type Light diesel oil Starting Electric batteries / Manual hydraulically Diesel engine to have a continuous output suitable for driving the generator under those conditions stipulated by the Classification Society. The engine to be of the four-stroke type and to be air-cooled. The diesel and generator are assembled on a common base plate and mounted elasticity. Engine Revolution: 1800 rpm Cooling system: air/water Fuel oil: MDO Starting of the engine will be arranged by 2 independent starting devices. Page 114 of 156 5200 DWT OIL PRODUCT/CHEMICAL TANKER FULL SPECIFICATION (B) Emergency Alternator: Drip proof, self-ventilated, brushless type about 287 KVA (about 230 Kw) AC.450V, 60Hz. at 1800 r/min. Output 250 kw Revolution 1800 rpm Voltage 450 V Frequency 3 phase, 60 Hz Compressed Air Plant: Air compressor and air vessel The main. air compressors to be of single acting two stages, piston type and to be driven by electric motors. Main air compressors to be of air cooled. Its air cooled. Main air compressors to be fitted with safety valves, inlet air strainer, pressure gauge, cooler, drain cock, trip device for lub. Oil low pressure and compressed air high temperature, and other necessary fittings, according to the manufacturer?s standard. Automatic stop and start device to be provided for main air compressors. Air compressor to be actuated by the pressure of the main air and aux. Vessels. Air Compressors: Name Type No. Pressure Capacity (MPa) Main air Motor driven vertical 32 ~ 20 m/h 3.0 compressor 2- stages Working air 8 ~1.0 3Screw or lave 1 200 m MPa compressor It looks like the air compressors are to small must be calculated. The Page 115 of 156 5200 DWT OIL PRODUCT/CHEMICAL TANKER FULL SPECIFICATION capacity of air compressor will be investigated. Air Reservoirs: Name No. Type Capacity Pressure (m3) (MPa) Main start-air vessel 2 Cylindrical ,Welde0.5 3 d steel construction Auxiliary air vessel 1 Ditto 0.1 m3 1.0 MPa The main start-air vessel shall supply to the control air system through pressure reducing valve and drier. Drier to be of refrigeration type. Control Air Dryer: Name No. Type Capacity Pressure (m3) (MPa) Control air dryer 2 Refrigerating and 5 0.7 filterring type Pumps Capacity of pumps to be selected according to Class and Regulations and actual requirements Capacity and pressure to be sufficient for the service intended. Pumps shall have non-overloading characteristics. In general the water pumps to be of centrifugal type and to be driven by electric motor. Small pumps for circulating sanitary and hot water services will be of horizontal centrifugal type. Centrifugal pumps, where necessary, to be fitted with priming equipment for self-priming. And the oil pumps to be of screw type and gear type and to be driven by electric motor. The capacity of pumps to be selected according to Class and Regulations Page 116 of 156 5200 DWT OIL PRODUCT/CHEMICAL TANKER FULL SPECIFICATION and actual requirements also. The Motor power and revolution shall be decided finally by the manufacturer's standard. Sludge and oil bilge pumps to be of the worm or gear type. Centrifugal Pumps Principal material to be as follows: Component Fresh water Sea water pump Boiler water pump circulating pump Casing Cast iron Bronze Ductile cast iron Impeller Bronze Phosphor Stainless steel bronze Shaft Stainless steel Stainless steel Stainless steel Gland seal Gland packing (*) Gland packing Gland packing (*) Note: “*” means some of them to be of mechanical seal type as per the maker?s standard. Note ++ Owner prefer all pumps with mechanical seal. Gear pump and screw pump One (1) relief valve to be provided at the pump discharge side against excessive pressure. Principal material to be as follows: Gear pump Screw pump Casing Cast iron Gear rotor Carbon steel Shaft Carbon steel Power rotor shaft Carbon steel Page 117 of 156 5200 DWT OIL PRODUCT/CHEMICAL TANKER FULL SPECIFICATION Idle rotor shaft Carbon steel Gland packing or oil Gland seal seal as per maker?s Mechanical seal standard Following pumps to be provided: (A) Electric Motor Driven Centrifugal Pumps: Capacity Head Name Number Type A (MPa) bt(m3/h) Box coolers V.C. ~ 0.3 A air conditioning cool. s.w. 1 V.C. ~ 0.3 pump Fresh water generator 1 According to s.w. pump Maker M M/E L.T. cool. f.w. stand-1by V.C. 0.3 pump M M /E H.T. cool. f.w. 1 V.C. 0.3 stand-by pump Bil Bilge, fire & general service 2 V.C. 75/50 0.35/0.70 pump SP. Emergency fire pump 1 V.C. 40 0.70 SP. Tank cleaning pump 1 V.C. 70 1 Deck foam water pump 1 V.C. 100 1 Daily fresh water pump 2 H.C. 5 0.45 Hot water cir. Pump 1 H.C. 1.0 0.2 Boiler Feed water pump 2 H.C. Maker?s standard ballast pump 2 V.C. 200 0.25 Page 118 of 156 5200 DWT OIL PRODUCT/CHEMICAL TANKER FULL SPECIFICATION (B) Electric Motor Driven Screw, Gear and Mono Rotor: NoCapacity Head Name Type . m3/h (MPa) Main L.O. stand-by pump 1 V.S. ~ M/E fuel oil supply 1 H.G. stand-by pump Diesel oil transfer pump 2 H.G. 10 0.33 HFO transfer pump 2 Lub oil transfer pump 1 H.G. 5 0.33 Stern tube lub oil pump 1 handle 1 0.3 Sludge pump 1 H.M. 3 0.5 Bilge pump 1 H.M. 3 0.5 Note: “*” Cargo pumps to be driven by Electrical motors shall be located in Pump Room Final capacity of pumps shall be decided from system design of equipment and selecting type of the pumps V.: Vertical. H.: Horizontal S.: Screw G.: Gear. C.: Centrifugal M.: Mono Rotor SP.: Self-priming Oil purifier Purifiers for fuel oils to be of enclosed, centrifugal and each to be driven by an electric motor. Each mineral oil purifier to have sufficient capacity for running the main engine, diesel generator and boiler. Lubricating oil purifier to be of enclosed, centrifugal and to be driven by an electric motor. Materials to be in accordance with manufacturer?s standard. Page 119 of 156 5200 DWT OIL PRODUCT/CHEMICAL TANKER FULL SPECIFICATION Each purifier to be provided with one (1) feed pump and other necessary fittings according to the manufacturer?s standard. Duplex trainer to be provided for purifier feed pumps. The purifiers to be arranged with alarm equipment for abnormal separation. Name No Type Capacity for each Max. density 0at 15C 3 H.F.O. purifier 1 E.C. auto Sufficient capacity to serve 0.991 kg/m self-cleaning 130% fuel consumption of M/E at 100% MCR. And boiler simultaneously D.O. purifier 1 E.C. auto Same as HFO purifier and self-cleaning when HFO purifier is failure the DO purifier can work as HFO purifier. Lub. oil purifier 1 E.C. auto In accordance with engine self-cleaning maker's recommendation. 90210 Fresh Water Generator: No of sets One (1) set Capacity, each Max production with M.E. at CSR abt. 10 t/day Type Low pressure, plate type 0Seawater temp. 32C Salinity Below 10 PPM. 90211 Heat Exchangers/Box coolers Capacity of exchangers/boxcoolers to be decided according to heat dissipation and actuating medium temperature of exchanger inlet/outlet. The heaters to be tube-shell type with steam heating. The shell and tube type cooler and the auxiliary condenser shall be of horizontal shell and straight tube type with fixed tube plates and cooling tubes shall be expanded into the tube plate at both ends. The shell shall Page 120 of 156 5200 DWT OIL PRODUCT/CHEMICAL TANKER FULL SPECIFICATION have an expansion joint. The sea water end shall be internally coated with tar-epoxy and fitted with zinc protecting plates. The cooler and the auxiliary condenser shall be provided with an air cock seat, a drain cock seat, a soda cock seat, thermometers, a boiling steam valve seat etc. Each oil heater shall be shell and tube and shall be provided with an air vent valve a drain valve, an oil relief valve on inlet line and thermometers. Capacity of the coolers and auxiliary condenser shall be based on the sea water temperature of 32 0C with tube cleanliness factor of 85%. Material of cooler to be as follows: As per manufactory details. For shell & tube type cooler Tube Aluminum brass Tube plate Naval brass Cover Cast iron or steel plate with tar epoxy coating inside Shell Steel plate or steel pipe For shell & tube type oil heater, construction and material to be in accordance with the maker?s standard. Name Type No. Remark Auxiliary condenser Shell & tube 1 M/E L.T. F.W. cooler Shell & tube 1 coolers M/E lub oil cooler 1 Maker?s standard M/E J.W. preheater 1 Maker?s standard Purifier L.O. heater 1 Maker?s standard Purifier F.O. heater 1 Maker?s standard 90212 Engine room ventilating fans Page 121 of 156 5200 DWT OIL PRODUCT/CHEMICAL TANKER FULL SPECIFICATION Engine room ventilating to be installed on the upper part of engine room and to supply fresh air into the machinery space. Each ventilating fan to be of a vertical, totally enclosed, motor driven, axial flow type. In the ventilator ducts, just below the fan units, silencers to be placed. Materials to be as follows: Casing steel plate (painted with rust preventive paint) Impeller aluminum alloy casting Impeller shaft carbon steel Capacity Name No PressureRemark (m3/h) (static) V Vertical axial flow E/R supply fan 2 3~40000 ~500 Pa and split casing type. One is reversible Purifier room 1 ~3000 ~500 PaCentrifuge type exhaust fan 90213 Incinerator Maker?s standard it to be capable of burning waste oil and solid waste. A control and indicating panel shall be fitted for the incinerator. This panel shall contain all indication and alarm lights necessary for safe operating of the unit. Accessories and fittings including burner, door and fan for the incinerator shall be provided according to the manufacturer?s standard. One (1) waste oil tank with an agitator shall be provided according to manufacturer?s standard. The capacity of incinerator is according to the size of the vessel Page 122 of 156 5200 DWT OIL PRODUCT/CHEMICAL TANKER FULL SPECIFICATION 1 -- Incinerator, capacity according to the size of the vessel 90214 Sewage Treatment Plant One set of sewage treatment plant shall be installed in engine room. It shall be bio-chemical type. The capacity will be according to the rule requirement. 903 Piping System in Engine Room 9031 Material for Pipes and Valves Material and size of pipes, valves, and fittings are to be in accordance with following tables. All accordance to Class and manufactory. Pipe Material of System Wall Valve Body Nominal dia. (mm) Material thickness 50mm and above Seamless A Forged steel 3Mpa steel Compres40mm to 15mm sed air 10mm and below Copper 50mm and above Seamless A Forged steel 0.7Mpa steel Compres40mm to 15mm sed air 10mm and below Copper 50mm and above Seamless STD and A Cast steel or steel for 50mm & Bronze 40mm to 15mm Fuel oil below 10mm and below Copper 50mm and above Seamless STD and A Cast iron, steel for 50mm & Cast steel or Lubricati40mm to 15mm below Bronze ng oil 10mm and below Copper Fire 50mm and above Seamless STD and A Cast iron fighting, steel, Hot for 50mm & 40mm to 15mm Cast iron or Sanitary, galvanized below Bronze Bilge, 10mm and below Copper Bronze Ballast Page 123 of 156 5200 DWT OIL PRODUCT/CHEMICAL TANKER FULL SPECIFICATION Pipe Material of System Wall Valve Body Nominal dia. (mm) Material thickness Sea 80mm and above Cast steel suction 65mm and below Bronze and overboar d, discharg e valves on shell 50mm and above Seamless A for Cast iron steel, Hot 100mm & 40mm to 15mm Cast iron galvanized below, STD Cooling or Bronze for 125 & seawater above 10mm and below Copper Bronze 50mm and above Seamless STD and A Cast iron steel, for 50mm & Cooling 40mm to 15mm Cast iron or Galvanizebelow fresh Bronze d water 10mm and below Copper Bronze 50mm and above Seamless STD and A Cast iron Domestic steel, for 50mm & 40mm to 15mm Cast iron or fresh, Galvanizebelow Bronze Tank d filling line 10mm and below Copper Bronze 50mm and above Seamless A Cast steel Feed steel water, 40mm to 15mm Bronze Page 124 of 156 5200 DWT OIL PRODUCT/CHEMICAL TANKER FULL SPECIFICATION Pipe Material of System Wall Valve Body Nominal dia. (mm) Material thickness Boiler 10mm and below Copper Bronze blow, Boiler water circulatin g Domestic All size Copper Bronze hot water 450mm and above Welded 5mm Cast iron or Exhaust steel plate Bronze gas 40050mm and Seamless STD system below steel 0.7Mpa 50mm and above Seamless A Cast steel Steam, steel 40mm to 15mm Cast steel 0.4Mpa or Bronze steam, 10mm and below Copper Bronze Steam drain Steam All size Seamless A heating steel coils cargo All size DN 40 STD and slop stainless tank steel AISI steam 316L heating coils Escape All size Seamless STD and A pipe from steel for 50mm & safety below Page 125 of 156 5200 DWT OIL PRODUCT/CHEMICAL TANKER FULL SPECIFICATION Pipe Material of System Wall Valve Body Nominal dia. (mm) Material thickness valve of boiler Overflow All size Seamless STD and A pipe, Air steel for 50mm & vent, below Escape pipes from misc. or relief valve CO All sizefire Seamless As per Manufactur2 extinguissteel Class Rule er?s hing standard All size Seamless STD and A Scupper steel, hot for 50mm & soil galvanize below Remarks: Material of pipes fitted on the main engine, generator engines and auxiliary machinery shall be in accordance with manufacturer?s standards. Material of the butterfly valve shall be in accordance with the manufacturer?s standards. The wall thickness of ballast pipes to be in accordance with Sch80, but not more than 12mm. (A) Seamless steel pipe Nominal Outside Wall thickness (mm) diameter (mm) diameter (mm) STD A B C 15 22 2.5 2.5 3.5 4.0 20 27 2.5 2.5 3.5 4.0 25 34 2.5 3.0 4.0 4.5 32 42 3.0 3.0 4.5 6.5 Page 126 of 156 5200 DWT OIL PRODUCT/CHEMICAL TANKER FULL SPECIFICATION 40 48 3.0 3.0 4.5 6.5 50 60 3.0 3.0 4.5 6.5 65 76 3.0 3.0 4.5 6.5 80 89 3.5 3.5 4.5 7.0 100 114 4.5 4.5 5.0 8.0 125 140 4.5 4.5 5.5 8.0 150 168 5.0 5.0 6.0 9.0 200 219 6.0 6.0- 7.0 9.0 250 273 6.5 6.5 8.0 9.0 300 325 6.5 6.5 9.0 10.0 350 377 6.5 - - 12.0 (B) Copper pipe Nominal diameter Outside diameter Wall thickness (mm) (mm) (mm) Ordinary pipe Press. pipe 4 6 1.0 6 8 1.0 1.5 10 15 1.5 2.0 15 20 1.5 2.0 20 25 1.5 2.0 25 30 1.5 2.0 40 45 2.0 2.5 9032 Fuel oil system general Fuel oil system shall be installed for main engine, auxiliary engines, steam boiler and emergency generator engine, and arranged with bunkering, purifying, supply and drain system. 2 -- F.O. transfer pumps, horizontal, gear type 1 -- F.O. purifier, filter type, sludge & water discharged, automatic, self-cleaning, (max. specific gravity of 0.991) each capacity to serve 130% fuel consumption of the main engine at 100% MCR based on 50 sec. at 500C. Page 127 of 156 5200 DWT OIL PRODUCT/CHEMICAL TANKER FULL SPECIFICATION 1 – D.O. purifier, filter type, sluudge & water discharged, automatic, self-cleaning, capacity to serve for D.O. and/or H.F.O.Same as F.O.purifier. One set of F.O. supply & boost unit shall be installed for M.E. including flow: 1 -- M/E F.O. supply pumps, horizontal, gear type 1 -- Sludge pump, horizontal, monoscrew type 1 -- M/E viscosity controller 1 -- F.O. filter, automatic oil back-flushing type (10 micron) etc. 1 -- A/E F.O. circ. pump 1 -- A/E F.O. supply pump 1 -- F.O. purifier feed pumps, horiz. gear type 1 -- A/E cviscosity controller 1 -- F.O. settling tank 1 -- F.O. service tank 1 -- F.O. overflow tank 1 -- Sludge tank 1 -- Waste oil tank Filling and Transfer The aux. diesel engines shall to burn marine diesel oil. Main engine and Boiler shall burn Heavy fuel oil ( 380 cst.) FO bunker lines to be fitted with fuel sampling cocks at filling connections. Bunker system must be arranged true a central bunker manifold with overflow glasses in each overflow line. See bunker diagram. The diameter of the F.O.Bunker line to be calculated for minimum 100 cbm/hr. A separate bunkerline for gas oil must be provided The diameter for G.O. bunker line to be calculated for minimum 60 cbm./hr. Diesel oil transfer pumps in the engine room to be arranged to transfer diesel oil from diesel oil tanks to diesel l oil steeling tank or ship side via the Page 128 of 156 5200 DWT OIL PRODUCT/CHEMICAL TANKER FULL SPECIFICATION deck filling connections. Pressure gauges to be provided at bunkering stations P/S. Sample points to be made at each bunkering station p/s. A strainer to be provided at the suction side of each transfer pump. Excessive diesel oil from tanks other than double bottom tanks to be led to a diesel oil overflow tank built in the double bottom. Fuel Oil Service System A)Main engine M/E driven fuel oil supply pump or M/E fuel oil supply stand-by pump to draw from the diesel fuel oil service tank through a strainer, a flow meter and then to discharge to main engine fuel injection. Excessive fuel oil from M/E injection pumps through pressure regulating valve to be led the fuel oil service tank. B)Generator Diesel Engines The attached diesel oil supply pumps at auxiliary diesel engine draw from daily service tank throughout filter and discharge to the injection pumps of diesel engines. Excessive fuel oil from A/E injection pumps through pressure regulating valve to be led the diesel oil service tank. C)Oil-fired boiler Fuel oil for the auxiliary boiler to be drawn from the HFOl oil settling or service tank by the boiler fuel oil circulating pump discharge to the burner. Any excessive fuel oil from Boiler to be lead back to the Setting tank. Purifying System F.O. after settled in the settling tank, to be draw by the suction pump of the F.O. purifier and to be delivered to the F.O.purifiers through the heater. After purification the clean fuel oil to be discharged into the F.O.service tanks. F.O. Service tank will be overflow in the F.O. settling tank. Page 129 of 156 5200 DWT OIL PRODUCT/CHEMICAL TANKER FULL SPECIFICATION Sludge from purifiers to be discharged into the sludge tank. Fuel oil drain Save-all to be provided at the foot of pumps, purifiers and oil heaters and to be led to the separated bilge oil tank. Below valves on the tanks, flat bar for save-all to be arranged. Drain from above save-all to be led to the separated bilge oil tank. 9033 Lub. oil system GENERAL The lubricating oil coolers shall be designed with fresh water temperature of 36C (for M/E) or sea water temperature of 32C. 1 – L.O. transfer pump, Screw type 1 -- L.O. purifiers, automatic, self-cleaning, partial discharge type, each capacity as per maker recommendation (same mark & type as F.O. and G.O.purifier) 1 -- L.O. purifier heaters, steam heated 1 -- L.O. purifier feed pumps, horizontal, gear type, 1 -- Sludge pump, Rotary displacement type, 15 m3/hr at 2.5 bar 2 -- Main engine L.O. pump (Stand-by), capacity based on maker?s standard. 1 -- Main engine L.O. Cooler, plate type, capacity based on maker?s standard. 1 -- Main engine L.O. Filter, auto. back flushing type 1 -- Main L.O. pumps, tank mounted deep well type. 1 -- L.O. fine filter and pump for M/E stuffing box. 1 -- Lube oil storage tank 2 – Lube oil drop tank 1 -- M/E cylinder oil storage tank 1 -- M/E cylinder oil service tank 1 -- Hydr. oil storage tank 1 -- Hydr. oil drop tank 1 -- Stern tube L.O. gravity tank Page 130 of 156 5200 DWT OIL PRODUCT/CHEMICAL TANKER FULL SPECIFICATION 1 -- CPP lube Oil tank 1 -- Waste lube Oil tank Filling & transfer Separate deck filling connections to be provided main engine lube oil and generator diesel engine lube oil. The filling lines also to be used for pumping lubricating oil up to the deck. Lube. oil transfer pump to be arranged to transfer system oil between lube. oil tanks in the engine room or to discharge overboard via “on-deck” Marpol connection. A strainer to be provided at the suction side of lube. oil transfer pump. Lube oil service system M/E lubricating oil pumps or main L.O. stand-by pump to draw from the sump tank through simplex magnetic suction strainers and to discharge to the main engine through the oil cooler and a strainer of back flushing type. Main engine lube oil filter to be of automatic oil back-flushing type, fineness 90% separation above 20 μm (absolute mesh width max. 35μm with alarm for high differential pressure. Lubricating oil to flow out directly from the engine crankcase into the sump tank after lubrication. Lube. oil cooler to have a by-pass temperature control valve on the oil side for temperature control. The lube oil sump tank to be arranged in the double bottom. Each generator diesel engine to have its own forced lubrication oil system, and to be provided with a built in L.O. pump, a L.O. cooler, a filter and a lube oil sump tank for this purpose. Page 131 of 156 5200 DWT OIL PRODUCT/CHEMICAL TANKER FULL SPECIFICATION Purifying System Lube oil purifier to be connected so that batch purification on the main engine system may be carried out from the lube oil settling tank or the main engine sump tank to lube oil purified and storage tank or the main engine sump tank. Sludge and water from the purifier to be led to sludge tank and then discharged to waste oil tank for incinerator by the sludge pump or to deck via the marpol flange Lube oil drain Save-all drip pans to be provided at the foot of pumps, purifier and tanks and to be led as far as possible to separated bilge oil tank. Drain line from the main engine bed-plate to be connected to separated bilge oil tank. Cooling Water System General BOX COOLERS The cooling water system for cooling of main engine to be a central Box cooler /fresh water cooling system, main engine shall be provided with one independent cooling system. Main engine to be provided with double cooling system as described in the engine makers project guide. The main engine shall be provided with a stand still heating system. The cooling system shall be designed based on the machinery maker's recommendations and system schematics to be approved by the owner. A) Sea Water Cooling System Only for auxiliary pumps such as Airco/Freshwater maker etc. 2 -- Main cool. Box coolers, capacity subject to heat balance calculation ( two for stand-by) Page 132 of 156 5200 DWT OIL PRODUCT/CHEMICAL TANKER FULL SPECIFICATION 1 -- Aux. sea water cooling pump, vertical, cent. type, capacity subject to heat balance calculation 1 -- Atmospheric condition cooling S.W. pump, vertical type, capacity subject to heat balance calculation 1 -- Ejector pump for F.W. generator, cent. type 1 -- Air. condition cool. S.W. pump, vertical cent. type 2 -- Sea chest in engine room (one high and one low) 2 – Sea chest in wing ballast tank (port and starboard side) 2 -- Sea water strainers (strainer element: galvanized steel) B) Fresh Water Coolong System According to engine maker instruction. Box coolers. 1 – Central cooler, 1 -- Low temp. cooling F.W. pumps, Cent. 2-speed type, Capacity based on central cooling F.W. heat balance 1 -- High temp. cooling F.W. pumps, Cent. 2-speed type, Capacity based on central cooling F.W. heat balance 1 -- Cooling F.W. pumps for aux. engines 1 -- Air compressor cool. F.W. cooler horizontal, tubular type, cooled by S.W 1 -- M/E jacket cool. water pre-heater 2 -- F.W expansion tank 1 -- M/E air cooler cleaning water circ. pump and tank Sea Cooling Water System Only by Box coolers.According makers instructions. 1) Diesel engine cooling sea water system The L.T. cooling fresh water from main engine, auxiliary diesel engines, auxiliary condenser and etc. are led through central coolers and cooled by seawater. Two central coolers to be provided. Each central cooler has 60% heat capacity of total heat capacity. Fresh Water Cooling System Page 133 of 156 5200 DWT OIL PRODUCT/CHEMICAL TANKER FULL SPECIFICATION Generator engine cooling fresh water system, which is to be separated from that for main engine, is to consist of generator engine cooling fresh water pump driven. The system is to compose a closed circuit with the expansion tank connected to the pump suction. Outlet temperature of generator engine fresh water cooler is to be automatically controlled by the temperature control valve. Compressed air system 2 -- Main air compressors, 2-stage, air cooled, piston type, motor driven each capacity 20 m3 /h x 30 kg/ cm2 Capacity of Air compressors seems to be to small, mut be calculated. 2 -- Main air reservoirs, each capacity 0.5 m3 x 30 kg./cm2 1 – Aux. air reservoirs, each capacity 0.5 m3 x 10 kg./cm2 1 -- Control air dryer, refrigerated type, capacity 50 m3/h Working air compressor: 1 – One working air compressor to be installed. Screw or Vane type. Capacity apr. 200 cbm/hr at 0.8 –1 mPa. Compressed air to be provided to various services at following pressure 3.0 MPa Main engine starting Generator engine starting 0.7 MPa Control air service Engine room miscellaneous service Main engine turbo charger cleaning 0.4 MPa Main air vessels and auxiliary air vessel to be charged with compressed air by main air compressors. Page 134 of 156 5200 DWT OIL PRODUCT/CHEMICAL TANKER FULL SPECIFICATION And auxiliary air vessel to be charged with compressed air by working air compressors. Air driven membrane pumps, flushing sea chest and used for deck etc. shall be supplied from aux. air vessel. From the air compressors, pipes to be drawn to an oil and water separating filter. Compressed air for starting the main engine to be supplied from main air vessels. Generator engines to be also supplied from the main air vessel for starting. Control air to be supplied from the main air vessels through oily drain separator, two pressure reducing valves arranged in parallel and a control air dryer. Working air system. Working air compressor: Compressed Working air to be provided to various services at following pressure 1 – One working air compressor to be installed. Screw or Vane type. Capacity apr. 200 cbm/hr at 0.8 –1 mPa. 0.7 Mpa for working air to deck and to several points in engine room. 0.4 Mpa for sea chest purging Compressed air at reduced pressure to be supplied to the ship?s service air system from the main air vessels through pressure reducing valves. The pressure reducing valve to be provided with a pressure safety valve and a pressure gauge at its outlet. Air hose connections to be provided at suitable locations in the engine room. Page 135 of 156 5200 DWT OIL PRODUCT/CHEMICAL TANKER FULL SPECIFICATION Air hose connection to be provided near each tank hatch on deck and near the manifold each side. Escape air from safety valves or fusible plugs of air vessels to be led by fixed pipelines to safe locations. One (1) control air dryer of about 40m3/h (free air) to be provided. Exhaust Gas System Main engine exhaust gas pipe to be flexible connected to the diesel engine and led to funnel through bellow type expansion pieces. Silencer with flame arrester to be arranged in suitable location and entire system adequate supported. Exhaust gas pipes from generator engines to be flexible connected to the diesel engines and lead to funnel. Silencers with flame arrester to be arranged. Exhaust gas pipes of oil-fired boiler and incinerator to be led to the top of funnel. Flame arrester to be installed at suitable location of exhaust pipes of oil-fired boiler and incinerator. 904 Workshop Machinery in Engine Room 1 -- Lathe, center distance 1500 mm (suggest multi-purpose lathe) 1 -- Vertical drilling machine, max.dia. 25mm (cast iron) 1 -- Grinding machine, double wheel type, dia. 255 mm 1 -- Electric welding transformer, inverter type capacity AC 250 Amp. 1 -- Gas welding equipment (2 oxygen and 1 acetylene bottles) Bottles on deck with outlet station in workshop 1 -- Welding table 1 -- Fuel valve testing equipment each for M/E and A/E 1 -- Work bench with one vice for electrician 2 -- Steel cabinets Page 136 of 156 5200 DWT OIL PRODUCT/CHEMICAL TANKER FULL SPECIFICATION 905 Miscellaneous Equipment in Engine Room 1 -- E/R overhead crane, electric driven, SWL 1.5 ton single beam type 1 -- Incinerator, capacity 150,000 kcal/h, capable of burning waste oil sludge 14 L/hr and solid waste 200L / 4~6 hours 3 1 -- Bilge water separator, capacity 0.6~1.0 m/h 2 -- E/R ventilation fans, axial flow type 1 -- Purifier room exhaust fan, axial flow type 906 Automatic Control and Monitoring Instrumentation 9061 General Automatic control, remote operation and central supervision to be provided in accordance with the requirements of the Classification Society (Class Notation AUT-UMS and builder?s practice). Propulsion plant to be started from engine control room, and to be stopped either from bridge or engine control room. Control function of the main engine to be provided for emergency in accordance with manufacturer's standard. The instrument, gauges and alarms to be arranged in good order for safety operation and easy maintenance. Audio and visual alarm shall be provided in engine room. Alarm and monitoring system to be fed from UPS (Uninterrupted Power Supply - 15 minutes) in case of power failure. 9062 Manoeuvring control system The Main control console to be located at the centre of navigation bridge and bridge wing control consoles (port & starboard) to be located at the navigation bridge wings and meet the requirement as workstation for docking operations. All against the forward bulkhead of the wheelhouse Page 137 of 156 5200 DWT OIL PRODUCT/CHEMICAL TANKER FULL SPECIFICATION Console and panels in wheelhouse.The console and panels incorporating electric equipment are to be provided and installed in the wheelhouse,engine control room and Cargo control room as specified below but not limited to: Central console: -- Steering gear start/stop button & run/alarm lamps. -- Panoramic Rudder angle indicator and rate-of-turn indicator -- Steering lever and wheel -- Instrument light dimmer -- Bow thruster control panel -- Navigation light panel with x-mas tree MIMIC panel -- General alarm push button -- Fire alarm panel -- Emergency stop buttons -- Light switches for outside lights -- Window wiper control and washing / heating switches -- Telegraph transmitter panel (selector type) -- Machinery alarm system according to Class -- Dead man alarm buttons -- M.E. and propeller control panel with indicators -- Air whistle Console on bridge wings -- Steering lever -- Rudder angle indicator -- M.E. control panel with indicators -- Morse signal light receptacle -- Bow thruster control panel -- Air-whistle push button -- Search light control handle over each console Console in ECR -- M.E. control panel with indicators including start and stop. Page 138 of 156 5200 DWT OIL PRODUCT/CHEMICAL TANKER FULL SPECIFICATION -- Revolution indicators for ME and turbochargers -- M.E. safety system (M.E. shut down and slow down) -- Machinery alarm and monitoring system with watch panel -- Telegraph receiver panel(selector type) -- Telephones -- Rudder angle indicator -- Propeller shaft revolution indicator. -- Propeller pitch indicators. -- Speed log repeater -- Fire alarm push button -- Remote start and stop of diesel generator engines -- All other necessary equipment for controlling the engines, according to manufacturer's specification and class notation AUT-UMS. Console in Cargo Control Room (CCR) All cargo pumps control All ballast pump, tank cleaning,Fire fighting pumps Pump room and cargo tank ventilation Start/Stop button with indication light Deck crane and Working air compressor Remote readout pressure and vacuum meters all pumps which are controlled for CCR. Loading computer monitor Cargo tank level computer monitor Ballast valve control ODME Monitor Fixed gas detection pumproom monitor 9063 Alarm / Monitoring system The alarm and monitoring plant shall meet the requirements for the Classification notation for and secure safe operation of the ship and machinery at all times. Page 139 of 156 5200 DWT OIL PRODUCT/CHEMICAL TANKER FULL SPECIFICATION A centralised and computerised engine room alarm and monitoring system with alarm and monitoring points according to the Register?s requirements and manufacturer?s proposal comprising sensors digital or analogue and on/off signals, to be located in the engine control room. Sub-panels in accommodation and in wheelhouse. Presentation of most important parameters by digital or analogue instruments, in accordance with class and owners requirements. All alarm and measuring points will be presented by 2 CRT monitors, divided in logical functional groups. Continuous registration of important parameters to disk, and printer to be arranged. Audio-visual alarms to be installed according to rules. Included in the audio-visual alarm signal system there is to be rotating lights and sirens in all engine spaces. When the machinery is stopped manually, none of the alarms to become operational. A Dead Man System and duty indicator panel, indicating engineer on duty, to be incorporated in the control room and bridge manoeuvre console. In the engineers' cabins, in the officers' day- and mess rooms and in the ships office there will be installed an alarm with sound and visual alarm. Bilge well alarms for pump room, bow thruster room and fire emergency pump room, if placed below forecastle, will be arranged to the Cargo control room alarm system , Bilge alarms for engine room bilge etc to be arranged to the engine control room. For acquisition and monitoring of measured data form the machinery plant in the engine room, the engine room monitoring and alarm system shall be Page 140 of 156 5200 DWT OIL PRODUCT/CHEMICAL TANKER FULL SPECIFICATION provided on the monitoring control console. System functions are as follows but not limited to: 1) Connection of binary transmitters. 2) Connection of analog transmitters. ? Time delay of alarm signals. ? Suppression of alarm signals. ?Audible alarm by means of integrated buzzer and by external hooters. ? Group alarm formation for extension alarm system. ? Monitoring of exhaust gas mean value deviation. ? Alarm recording and data lopping with printer. ? System self - monitoring. Extension alarm and engineer call system electrically separated. 9064 Boiler automatic system Automatic control device for auxiliary boiler to be arranged at the auxiliary boiler side. 9065 Generator control system Generator engines to have automatic starting and stopping device and to be controlled from the engine control room and engine side. One (1) set of auto synchronizer load sharing and load shifting device to be provided. One (1) set of self-supported , drip-proof, steel plate and dead-front type main switchboard to be installed in the engine control room and to consist of. 9066 Monitoring System for Liquid Tanks For acquisition and monitoring of measured data from tanks. The system shall be provided in control panel on upper deck. Functions of the monitoring and alarming are as follows but not limited to: Page 141 of 156 5200 DWT OIL PRODUCT/CHEMICAL TANKER FULL SPECIFICATION Monitoring and alarm of liquid level in cargo tanks. Monitoring and alarm of temperature in cargo tanks. Monitoring and alarm of pressure in cargo tanks. Monitoring and alarm of pressure/vacuum and temperature on discharging/loading manifold. Visual and audible alarms in the cargo control panel and on upper deck. Monitoring Level in Ballast tank and peak tanks. Monitoriung level in Freswater tanks Monitoring and alarm of level and temperature in F.O. service/settling and storage tanks Monitoring and alarm of level and temperature in D.O.service.settling and storage tanks. Loading Master Computer prefer Autoload from Autoship Systems Corporation. A Class approved loading master and program should be delivered and installed The loading master must be “on-line” with the tank monitoring system. Program to be able to calculate intact and damage stability, longitudinal stress, bending moments, share forces etc. The loading master should be able to produce a draft survey and a ullage report accepted by the major oil companies and mayor surveyor societies. The loading master must have all API tables inside to correct Temperature and Volume. Page 142 of 156 5200 DWT OIL PRODUCT/CHEMICAL TANKER FULL SPECIFICATION 1000 Electric System 1001 General All electric installations and equipment to comply with the Rules and regulations etc. All electric equipment and materials intended to be used must be suitable for shipboard use. All electric equipment to be located on easy accessible places. All electrical equipments should be earthen correctly with earth wire. The use of the cable shield for safety earthen is not permitted. Care to be taken for reducing the risk of damage of equipment by leakage of water and oil, etc. from pipes or tanks, or by excessive heat, or mechanical damage. and as possible as to avoid vibration on all electrical equipments. The protect class of installation of electric equipment to be in accordance with IEC. Cables for power supply to installations must be of approved type accompanied with class certificates. Cables passing trays and support must be according to the Rules. Spare parts are to be in accordance with Class requirements. 1002 Power System The power system is to be as follows: All systems should be insulated against hull throughout the vessel except for ground detecting circuits, secondary circuits of potential and current transformers to be grounded at switchboard or control panel. Item Voltage Frequency Phase Conductor Generator 450V AC. 60 Hz 3 3 wire Electric motor 440V AC. 60 Hz 3 3 wire Heating 440 V.AC 60 Hz 3 or 1 3 wire General lighting 220V AC. 60 Hz 1 2 wire Emergency Lighting 220V AC. 60 Hz 1 2 wire Temporary emer. lighting 24V DC. 1 2 wire Page 143 of 156 5200 DWT OIL PRODUCT/CHEMICAL TANKER FULL SPECIFICATION Nautical Equipment 220V AC. 60 Hz 1 2 wire Radio Equipment 220VAC./60 Hz 1 2 wire 24 DC Interior communication 220VAC./60 Hz 1 2 wire 24 DC General alarm, etc. 220VAC./60 Hz 1 2 wire 24 DC 1003 Adoption of Cable Insulation conductors and protecting covering of cables shall be in accordance with the relative Rules of Classification and to be compatible with the voltage wherever they are used. Ethylene-propylene rubber insulated marine type power cables polychloroprene sheathed and steel wires with braided for a max. rated conductor temperature of 85 ?C shall be provided for all power-circuits and for lighting circuits and PVC over-sheathed shall be used for weather deck and battery room, etc. For telephone system ethylene-propylene rubber insulated communication cables with polychloroprene sheath with copper braid for a maximum rated conductor temperature of 85 ?C is to be provided. Rubber insulated flexible cables or cords to be used for portable equipment. It shall be oil proof heavy-duty rubber cover type. Internal wiring of switchboards and distribution panels to be carried out in PVC insulated conductors. It is flame retardant. Special cable or conductor types, such as coaxial cables etc. for certain electronic circuits and antenna connection to be used where required to obtain the best possible operation and a reduction of losses and interference, all as recommended by the equipment manufacturers. Page 144 of 156 5200 DWT OIL PRODUCT/CHEMICAL TANKER FULL SPECIFICATION All cables shall be flame retardant. Non combustible cable shall be used in accordance with the requirements of Class. Cable feeding electrical rooms and distribution panel boards shall have at least 15% spare capacity over rated rate. Cable Layout All cables shall be laid according to Rules of classification Society.Cables shall be laid as far as possible in protected places to avoid the locations exposed to the weather. Cables for weather deck-mounted fixtures to be installed as possible on the inside surface of house structures supporting such fixtures where cables are liable to damaged they shall be protected by steel pipes or plates. Electronic and special cables shall be kept at a distance from power cable as far as practical and also in accordance with the recommendation of equipment manufacturers. Cables passing through dangerous space shall be protected with steel pipe. In general, cables running in group is to be fixed with tape hoops on steel hangers as far as practicable to permit painting of the surrounding structure without undue disturbance to the installation. In the rooms and inner passages where lining is applied, cables shall be laid behind the lining as far as practicable, and cables in other places, such as on the partition wall, shall be concealed with internal conduits as far as possible. The insulation of the concealed cable shall be suitable for that purpose. Where cables are exposed to any mechanical damage, they shall be protected with galvanized steel pipe. All cables on the weather deck running to the foreship shall be running in galvanised pipes. Page 145 of 156 5200 DWT OIL PRODUCT/CHEMICAL TANKER FULL SPECIFICATION All cables passing through fire-proof deck or bulkheads shall be provided with fire-proofing cable glands or other approved materials. 1004 Primary Source Two sets of main diesel generator abt 400 kW which to be defined as per electric load calculation should be installed in the engine room and one set of main switchboard should be installed in the engine control room. One set of shaft generator of approximate 500 kw. should be installed in the engine room. One set of emergency diesel generator of 230 kW and one set of emergency switchboard should be installed in the emergency generator room. Main generators Particular of diesel engine generator as follows: Type : Synchronous Enclosure: IP23 Cooling system: Self-ventilated Rated output: According to load calculation. Voltage: 450V AC Phase: 3 Frequency: 60Hz Power factor: 0.8 Revolution: 1800 rpm Rating: Continuous at full load Insulation: Class"F" for generator Class"B" for excitor Exciting system: Brushless self-excitation Two sets of diesel engine generator should be arranged for parallel operation. Shaft Generator Page 146 of 156 5200 DWT OIL PRODUCT/CHEMICAL TANKER FULL SPECIFICATION Particular of Shaft generator as follow: Type Synchronous Enclosure IP23 Cooling system Self-ventilated Rated output approximate 500 kW Enough to start and feed the bow thrusther. Voltage 450 V AC Phase 3 Frequency 60HZ Power factor 0.8 Revolution 1800 rpm Rating Continuous at full load Exciting Self-excitation Shaft generator must be able to run parallel with the main generators only during power take over, to avoid black outs. Shaft generator to feed the bow thruster during maneuvering See proposal diagram. Emergency Generator Particular of emergency generator as follow: (same as main generators) Type Synchronous Enclosure IP23 Cooling system Self-ventilated Rated output 230 kW Voltage 450 V AC Phase 3 Frequency 60HZ Power factor 0.8 Revolution 1800 rpm Rating Continuous at full load Page 147 of 156 5200 DWT OIL PRODUCT/CHEMICAL TANKER FULL SPECIFICATION Exciting Self-excitation The emergency generator should be used for supplying the loads such as gyro compass, auto-pilot, radio station, interior communication equipments, automation equipments, nautical instruments, emergency lights, steering gear, emergency fire pump, emergency air compressor and etc. when main generator doesn?t work. The emergency generator must be able to run continuous parallel with both main generators and it must be possible to use it as harbour generator with supply to emergency and main switchboard. The emergency generator must be provided with all sensors and alarm warning system the same as the main generator. This generator should be started automatically in case of failure of the main power supply and automatically supply an electric power to the loads mentioned above. The generator engine should be stopped manually. 1005 Main Switchboard One main switchboard is for control and protection of the main generators with 450 V and 230V AC. installed in engine control room. The whole equipment of the switchboard should be capable of with the standard maximum rated short circuit. Main switchboard should be of upright dead-front type and consists of main generators, 440 V feeder panel , 220V feeder panel and complete with switch gears, ammeters, voltmeters, a frequency meter, synchroscope, wattmeters, earth lamps, pilot lamps, signal lamps, current and potential transformers. The main switchboard should be consist of: Three (3) - generator panels Two (2) -group starters for 440V essential consumers with adequate Page 148 of 156 5200 DWT OIL PRODUCT/CHEMICAL TANKER FULL SPECIFICATION number of outgoing feeders. One (1) - load panel for 220 V with adequate number of outgoing feeds. One (2) - load panels for 440V consumers with adequate number of outgoing feeds. 1006 Emergency Switchboard One Emergency switchboard is for control and protection of the main generators with 450 V and 230V AC. installed in engine control room. The whole equipment of the switchboard should be capable of with the standard maximum rated short circuit. Emergency switchboard should be of upright dead-front type and consists of Emergency generators, 440 V and 220V feeder panel and complete with switch gears, ammeters, voltmeters, a frequency meter, wattmeters, earth lamps, pilot lamps, signal lamps, current and potential transformers. The Emergency switchboard should be consist of: One (1) - generator panels One (1) -load panel for 440V and 220 V with adequate number of outgoing feeds. In principle, the construction of the emergency switchboard to be similar to the main switchboard. 1007 Shore Connection Box One (1) set of shore connection box for receiving AC.440 V, 300A, 3-phase, 60Hz shore source should be wired to the main switchboard. The box should be drip-proof type with a ammeter, KW hour-meter, three (3) pole moulded case type circuit breaks, connecting terminals and phase sequence indicator. 1008 Secondary Source Transformers The power transformers should be three phases, 60Hz, drip proof, dry type, air cooled by natural circulation with class B insulation. Page 149 of 156 5200 DWT OIL PRODUCT/CHEMICAL TANKER FULL SPECIFICATION For general service two (2) 60 KVA 450/230V according to load calculation. one (1) standby For emergency service two(2) 25 KVA 450/230V according to load calculation. one (1) standby Electric power balance to be calculated Storage Batteries One (1) set of 24V DC storage batteries for general use should be installed in the battery room. Its capacity will be 400 AH. One (1) set of 24V DC storage batteries for automation use should be installed in the battery room. Its capacity will be 400 AH. One (1) set of 24 V DC storage batteries for radio emergency source should be provided. Its capacity will be about 200 AH. 1009 Distribution System In general, power of high-power motors should be supplied from the main switchboard directly to section boards and other small power consumers should be supplied through section boards and/or distribution boards from the main switchboard. 1010 Power System Motor All motors, unless otherwise noted, should be totally enclosed or drip-proof and be of squirrel cage induction type. The motors, in general, should be designed to operate on 440V, AC 3-phase, 60Hz. and the motors of fractional horse power should be designed to operate on 220V, AC. Single phases AC. Page 150 of 156 5200 DWT OIL PRODUCT/CHEMICAL TANKER FULL SPECIFICATION Bearings should be provided in accordance with maker's standard. In general all stator windings shall be Class 'B' insulation should be applied, except for special service motors. Starters In general, starters should be of marine magnetic control type except that small motors of single phase may be manually operated by line switch with protective fuse on each pole, or thermal trip device. In general, starters should be assembled in group starter panels or semi-group starter panels as far as practicable. Motors more than 40 KW using soft starters. 1011 Lighting System The lighting system should comprise as follows: General lighting system Emergency lighting system Temporary emergency lighting system The vessel should be efficiently illuminated throughout with fluorescent, incandescent, mercury vapour and/or halogen lighting fixtures. Lighting equipments should be supplied with 220 V AC single phase, 60Hz, from distribution board which are fed from 220 V AC three phase feeder panel of main switchboard and/or emergency switchboard. 1012 Navigation Lights and Signal Lights Navigation and signal lights should be provided in accordance with the requirement of the Regulations and Rules and the owner's proposal. One (1) set double executed Anchor light fore mast One (1) set double executed Top light fore mast. One (1) set double executed stern light One (1) set double executed side light port One (1) set double executed side light starboard One (1) set double executed Top light aft mast One (1) set double executed Anchor light aft mast One (1) morse lamp Two (2) not-under command, red Page 151 of 156 5200 DWT OIL PRODUCT/CHEMICAL TANKER FULL SPECIFICATION One (1) white light between the NUC Light Audio and visual alarms to be installed if one of the lamps or fuses are broken. Search lights and Day-signal should be delivered and installed in accordance with Rules and Regulations: Two (2) navigation search lights, 220V, 1000 watts, should be installed on top of wheel house. One (1) day-signal lamp, 24 volts, 1000 watts, with special box. Receptacles of this lamp should be provided on both bridge wings. Signal lights should be equipped as per Rules and owner?s proposal. 1013 Internal Communication, Alarm & Measuring System The system herein specified shall be suitable designed to meet the requirements for Regulations and rules: One (1) set Sound powered telephone system shall be provided as follows: Wheelhouse / Engine control room / Engine control stand (Headset) / Steering gear room / Emergency Generator room / Capt./ Ch. Engineer. One (1) set of twenty (20) circuits automatic telephone system should be installed on the vessel. from wheelhouse to all cabins , mess rooms and control stations. One (1) set of public addressor of 100 W output, with talk back stations should be designed for ship's maneuvering, emergency information, crew call and public broadcasting. The system can be connected with automatic telephone exchanger and can be called by telephone extensions. Speakers and talk back stations arrangement shall be according to accommodation plan. Page 152 of 156 5200 DWT OIL PRODUCT/CHEMICAL TANKER FULL SPECIFICATION One (1) set of engine telegraph plant shall be provided, this plant shall be integrated with the engine remote control equipment. One (1) engine telegraph logger should be installed. Steering gear should be able to give audible and individual visual alarm in the wheelhouse and in the engine control compartment. One (1) set of general alarm system should be provided with public addressor, that is, one manually operated push button switch in the wheelhouse, the audible alarm shall be given by speakers through the public addressor and the visual alarms shall be given by flash lamps. One (1) set of fire detection and alarm system shall be provided. One (1) set of CO release alarm system should be provided. 2 Necessary electric horns and flash lights should be fixed in engine room area. Leakage of CO shall also make audible and visual alarm in wheelhouse. 2 And other patrol alarm engineer's call shall also be provided. One (1) A Three sides overhead Panoramic steering rudder angle indicator system to be installed. One (1) set horn with electric motor, respective cylinder, mounted on the forward mast. An automatic fog signal device equipment, pneumatically operated, to be arranged in the aft mast. Operation switches and/or push buttons for control to be arranged in wheelhouse control console and on each bridge wing. Necessary accessories should be provided, designed and installed to Page 153 of 156 5200 DWT OIL PRODUCT/CHEMICAL TANKER FULL SPECIFICATION achieve an optimum operation. 1014 Electric Nautical Equipment Equipments as hereinafter specified are the major components and characteristics of the installations, all accessories necessary for complete operation to be delivered by shipyard Gyrocompass & auto-pilot (with course recorder) 1 and (2)bridge wing repeaters incl. Azimuth cirkel. Magnetic compass with repeater in the wheelhouse 1 Echo sounder with recording capabilities 1 Speed Log. 1 With one Transducer Radar (X-band with ARPA; S-band) 2 DGPS 1 GPS 1 Window wiper (horizontal moving ) 3 Anemometer and anemoscope 1 Weather facsimile receiver 1 Navtex receiver 1 Quartz clock (chrono meter) 1 Automatic identification system (AIS) 1 Displayed in the radar screen. Voyage data recorder (VDR) 1 Page 154 of 156 5200 DWT OIL PRODUCT/CHEMICAL TANKER FULL SPECIFICATION All rules and regulations should be updated with the latest requirements till the date the contracts be signed. 1015 Radio Equipment Equipments as hereinafter specified are the major components and characteristics of the installations, all accessories necessary for complete operation should be delivered by shipyard. Equipments installed on this vessel shall completely comply with SOLAS 1988 amendments to meet the requirements of GMDSS (A1+A2+A3). All equipment shall have a NEMA in and outputs and able to communicate with the other relevant navigation/radio communication equipment Radio (250W PEP SSB MF/HF) transmitter incl. 1 DSC VHF radio telephone with DCS. 2 INMARSAT Mini M Phone/fax 1 Satellite EPIRB 1 VHF for GMDSS 3 use only Radar transponder 2 VHF radio telephone Intrinsically safe for tanker deck 3 pc. working with at least three(3) private channels VHF radio telephone without DSC for CCR. 1 pc. Satcom C Unit 2 Pc. All rules and regulations to be up-dated with the latest requirements till the date the contract has been signed. Attached to this specification please find principle drawings/ diagrams as reference only: General arrangement. Page 155 of 156 5200 DWT OIL PRODUCT/CHEMICAL TANKER FULL SPECIFICATION Oil pipe line system. Tank cleaning pipe line system Ballast pipe line system Bunker pipe line system. Bunker tank dearation system. Steam lines on deck. Electrical single line diagram. Page 156 of 156