VITAMIN GAS - GAS FORM C SPECIFICATION OF THE VESSEL AND THE GAS INSTALLATION ---------------------------------------------------- PREAMBLE 2,811 CBM LPG/VCM GAS CARRIER OWNERS : FGAS PETROL JOINT STOCK COMPANY FLAG : PANAMA BUILT : JAN/27TH/1988 TERAOKA ZOSEN K.K,HYOUGO,JAPAN JUNE/30TH 1988 CLASS : KR KRS 1 LIQUEFIED GAS CARRIER 2PG 1C (P)/1.77MPa, 0 DEGREE C (IGC) GRT : 2,848 NRT:854 DWT : 2997.0 TONS COMPLEMENT : 16 PERSONS INCLUDING SPARE ROOM HULL LOA : 95.55 METRES LPB : 89.00 METRES BREATH: 14.80METRES DEPTH : 7.00 METRES DRAFT (SUMMER) : 5.230 METRES CORRESPONDING DEADWEIGHT : 2,997 METRIC TONS ESTIMATED DRAFT WITH FULL BUNKERS AND FULL CARGO OF --------------------------------------------------- LPG : ABT 4.67-4.96 METRES (BUTADIENE/PROPANE/VCM : ABT 5.53 METRES IMMERSION : ABT 11.5 TONS PER CENTIMETRES IN SALT WATER COMMUNICATION EQUIPMENT ----------------------- CALL LETTERS : 3EKF4 SATELLITE NORMALLY USED : WW RADIO EQUIPMENT : FURUNO RC803T-2T VHF EQUIPMENT : FURUNO FM-80MARK II NUMBER OF INTERNATIONAL CHANNELS : 57 CHANNELS INMARSAT : FITTED IMO NO.: 8717726 MACHINERY ---------
MAIN ENGINE : HANSHIN 6LF46 MAX. CONT. OUTPUT : 3,600 PS X 245 RPM GRADE FUEL USED : 180 CST AUXILIARY ENG. : YANMAR DIESEL S165L-DN CONT. OUTPUT : 420 PS X 1.200 RPM X 2 SETS GRADE FUEL USED : GAS OIL AUXILIARY BOILER : OIL SIDE : EX. GAS ECONOMY : GRADE FUEL USED : SPEEDS/CONSUMPTIONS (BASIS UP TO AND INCLUDING BEAUFORT 4) : ABOUT 12.5 KNOTS ON ABOUT 7.3 MTS FUEL OIL MAX 180 CST PLUS 0.85 MT GAS OIL PER DAY FUEL OIL CAPACITY (100PCT) -------------------------- F.O. : 434 CBM D.O. : 133 CBM CARGO TANK CAPACITY (100 PCT) AT ROOM TEMPERATURE ------------------------------------------------- NO. 1 TANK : 1,406.79 K/L NO. 2 TANK : 1,404.29 K/L ----------------------------- TOTAL :2,811.08 K/L CARGO INSTALLATION ------------------ 1. TRANSPORTABLE PRODUCTS AND RESPECTIVE QUANTITIES MARVS PRODUCTS SPECIFIC GRAVITY REFERENCE CORRES. KG/CM2 AT REF. TEMP. TEMPERATURE WEIGHT(T) 18.0 PROPYLENE 0.468 46 C 1468 18.0 PROPANE 0.439 55 1377 18.0 B/F MIXTURE (NOTE 1) 7.0 N BUTANE 0.519 68 1628 7.0 ISO-BUTANE 0.508 56 1593 7.0 BUTADIENE 0.561 64 1759 7.0 VINYL CHLORIDE 0.863 50 2706 7.0 C4 NOTE 1) NOTE 3
NOTE 1: FILLING LIMIT OF MIXTURES VARIED ACCORDING TO THE PROPORTION. NOTE 2: FIGURES ARE DETERMINED ON THE BASIS OF THE CHARACTERISTICS OF MAIN COMPONENT HAVING THE HIGHEST VAPOUR PRESSURE IN THE PRODUCT. NOTE 3: ONLY MAIN COMPONENTS IN C4, RAFFINATE 1 AND 2 WILL BE LISTED ON INTERNATIONAL CERTIFICATE OF FITNESS. MARVS : MAXIMUM ALLOWABLE RELIEF VALVE SETTING (AS PER IGC CODE) 2. TANKS -------- 2.1. LOCATION EACH TANK : IN THE CARGO HOLD 2.2. WORKING PRESSURE : 17.6 KG/CM2 2.3. VALVE SETTING : HIGH PRESSURE 18.0 KG/CM2 LOW PRESSURE 7.0 KG/CM2 2.4. MAXIMUM VACUUM OBTAINABLE : 0.1 KG/CM2 ABS 2.5. MAXIMUM SPECIFIC GRAVITY : 0.944 3. MINIMUM TEMPERATURE ACCEPTABLE IN TANKS ------------------------------------------ 0 DEGREES C 4. LOADING RATE- 210TONS/HOURS (2 TANKS) ------------------------------------ EX. ATMOSPHERIC STORAGE WITH VAPOUR RETURN LINE BUTANE : ABT 300 M3/H AT ATMOSPHERIC PRESSURE PROPANE : ABT 300 M3/H AT ATMOSPHERIC PRESSURE VCM : ABT 250 M3/H AT ATMOSPHERIC PRESSURE (CALCULATED BASED ON 5 M/SEC. IN LIQUID VELOCITY HEAD) EX. PRESSURIZED STORAGE WITH VAPOUR RETURN LIN 30 DEG.C 20 DEG.C 10 DEG.C 0 DEG. C BUTANE : M3/H 333 342 350 355 360 ABT PROPANE: M3/H 276 291 300 305 318 ABT VCM : M3/H 522 537 546 558 566 ABT (CALCULATION BASED ON 5.5 M/SEC IN VELOCITY HEAD AT 8 C OF LIQUID LINE) EX. PRESSURIZED STORAGE WITHOUT A GAS RETURN LINE BUTANE PROPANE VCM 5. CARGO PUMP ------------- NUMBER AND TYPE : 2 FIXED DEEPWELL PUMPS 14m-160-4-1 NIGATA WORTHINGTON
LOCATION : 1 DEEPWELL PUMP IN EACH TANK. PUMP CAPACITY : DEEPWELL PUMP 250 M3 /HRX 120KW/120 M MAX.SPECIFIC GRAVITY PERMISSIBLE : 0.94 (VCM) MAX. BACK PRESSURE WHEN WORKING : ABT 13.8 KG/CM 2 (BASED ON 250 CBM/H) CORRESPONDING HEAD 147 METRE EMERGENCY PUMPING DEVICE ONBOARD : NO (CARGO COMPRESSOR STIPULATED IN HERE WILL BE USABLE CARGO REMAINING ON BOARD IN CARGO TANKS AFTER COMPLETION OF PUMPING: ABT 0.65 CBM IN LIQUID UNDER FAVOURABLE RECEIVING CONDITION AT SHORE INSTALLATION MAX. DISCHARGING RATE WHEN WORKING : LPG250 CBM/H VESSEL IS NOT EQUIPPED WITH SPECIAL STRIPPING PUMP : YES 6. CARGO COMPRESSOR ------------------- NUMBER AND TYPE : 2 FIXED COMPRESSORS DNL-710HB2G2ST21 MIKUNI JUKOGYO CO.,LTD CAPACITY : 467 M3/HR (PISTON DISPLACEMENT) AIR COMPRESSOR OIL FREE : YES LOCATION : 2 COMPRESSORS IN COMPRESSOR ROOM 7. INERT GAS SYSTEM NO 8. GAS FREEING -------------- CAN THIS OPERATION BE CARRIED OUT AT SEA : YES STATE METHOD USED INCL. ALL DETAIL : FOR LPG : DISPLACING LPG VAPOURS BY FORCING GAS AND THE HEAVIER LPG VAPOURS ARE COLLECTED IN THE LIQUID LINE AND DISCHARGED TO SHORE FLARE OR ATMOSPHERE THROUGH VENT STACK WHEN THE VESSEL IN THE OCEAN ADVICE TIME REQUIRED AND CONSUMPTION OF INERT GAS IF ANY : FOR LPG : FOR VCM : SAME METHOD AS LPG 9. CHANGING GRADE ----------------- CAN THIS OPERATION BE CARRIED OUT AT SEA : NO STATE METHOD USED AND TIMER REQUIRED FOR CHANGING FROM LPG TO VCM AND VICERVERSE TO REACH 1.00 PPM OF PREVIOUS CARGO IN ANY ATMOSPHERE THE TANKS BEING DRIED AND FREE OF MOISTURE. LPG TO VCM 1) DISPLACING LPG VAPOUR BY N2 GAS
2) DISPLACING N2 GAS BY VCM VAPOUR 3) TIME REQUIRED HRS. 4) DEW POINT LOWER THAN MINUS 20 DEG. C VCM TO LPG 1) DISPLACING VCM VAPOUR BY N2 GAS 2) VENTING N2 GAS WITH LPG VAPOUR 3) TIME REQUIRED 36 HRS. 4) DEW POINT LOWER THAN MINUS 20 DEG. C (FIGURES E.G CALCULATION ONLY AND HAVE NO PRACTICAL VALUE) CAN VESSEL REDUCE IN TANK ATMOSPHERE AND GAS INSTALLATION CONCENTRATION OF PREVIOUS CARGO BELOW 100 PPM : YES BUT TIME CONSUMED AND EXPENSES INCURRED TO REDUCE CONCENTRATIONS OF PREVIOUS CARGO BELOW 100 PPM IN TANKS AND CARGO INSTALLATION ARE TO BE FOR TIME CHARTERER'S ACCOUNT. METHOD USED : THE SAME METHOD OF GAS FREEING. HOW CAN IT BE CHECKED THAT NO LIQUID GAS REMAIN ON BOARD : TAKING SAMPLE OUT OF DRAIN NOZZLE WHICH IS EXTENDED TO TANK BOTTOM. 10. CARGO REHEATER ------------------ STATE LOADING RATE FOR PROPANE TO BE BROUGHT FROM ATMOSPHERIC PRESSURE TO 0 DEG.C AT SEA WATER TEMPERATURE 18 C : 150 M3/H 11. CARGO VAPOURIZER : NO --------- 12. REFRIGERATING APPARATUS: NO --------------------------- 13. SAMPLING ------------ WHERE CAN SAMPLE BE TAKEN : FROM SLIP TUBE AND DRAIN PIPE ARE SAMPLE BOTTLES AVAILABLE ON BOARD AND WHAT NUMBER : NO FLANGE CONNECTION FOR SAMPLING : SLIP TUBE AND DRAIN PIPE 5Ø X 25A 14. CARGO LINES --------------- DISTANCE CARGO MANIFOLD TO STEM : 40.20 MTR
DISTANCE CARGO MANIFOLD TO STERN : ABT. 48.80 MTR HEIGHT CARGO MANIFOLD ABOVE DECK : ABT. 0.90MTR HEIGHT CARGO MANIFOLD ABOVE WATERLINE WHEN LIGHT : 4.10MTR HEIGHT CARGO MANIFOLD ABOVE WATERLINE WHEN LOADED : 2.37 MTR DISTANCE CARGO MANIFOLD FROM SHIP'S RAIL : 2.30 MTR IS VESSEL FITTED STERN DISCHARGE : NO LIQUID LINE : DIAMETER 8 INCH : FLANGES ANSI 300 PSI (8") GAS LINE : DIAMETER 5 INCH : FLANGES ANSI 300 PSI (5") WHAT REDUCER ON BOARD : 8"/6", 8"/5", 8"/3", 6"/5", 5"/4", 5"/3", 5"/2" (ANSI 300 LB AND 150 LBS - ONE OF EACH 8"/8", 5"/5" 15. DERRICKS ------------ WHERE SITUATED : NEAR THE CARGO MANIFOLD NUMBER AND LIFTING CAPACITY : ONE EACH SIDE 2.00 TONS 16. HOSES --------- NUMBER AND SIZES : 30FT LENGTH/DIA 6 /FLANGE 6B ANSI 150 PSI PP/MIN 0DEGREE/10 KG/CM2 FOR VCM, PROPANE PROPYLENE BUTANE 17. SPECIAL FACILITIES ---------------------- CAN VESSEL LOAD / DISCHARGE TWO OR MORE GRADES SIMULTANEOUSLY : NO ALL FIGURES 'ABOUT' AND WITHOUT GUARANTEE. ===========================================