VESSEL PARTICULARS (FORM C) LPG/C GAS MARATHON (last updated 22/06/2018) Specifications of the vessel and the gas installation which are representations by the Owners. (A) VESSEL S CHARACTERISTICS PREAMBLE Name GAS MARATHON Owner TRIATHLON INC. Flag MARSHALL ISLANDS Build ASAKAWA SHIPBUILDING CO., LTD., JAPAN Date on Service SEPTEMBER 1995 Class ABS GRT International 5767 TONS Suez 6534 TONS Panama 20160 CBM NRT International 1763 TONS Suez 5677 TONS Panama 4903 TONS Is vessel build according to USCG regulations? YES RINA regulations? Japanese regulation? Has vessel received USCG approval? NO RINA approval? HULL LOA 119.00 M LBP 111.00 M Breadth 18.80 M Depth 9.00 M Summer Draft 6.665 M corresponding to Summer DWT = 7031.4 MTS Multiple Draft M corresponding to Multiple DWT = Estimated draft with full cargo and full bunkers are as follows. Product Draft Fore (m) Draft Aft (m) Draft Mean (m) Corresponding Deadweight (t) Propane ( 98%) 4.25 5.96 5.11 4282 Butadiene (98%) 4.88 8.21 5.56 5055 VCM (98%) 6.50 6.80 6.65 7031 Propeller immersion At draft At m correspond. % At draft At m correspond. % At draft At m correspond. % Form C TBA 1
COMMUNICATION EQUIPMENT Call letter V7TE2 Radio Station normally watched Radio MF/HF NBDP YES Radio MF/HFTEL/DSC YES VHF YES Satellite Communication Inmarsat C YES Inmarsat F YES Inmarsat B YES MACHINERY Main Engine x 1. and make Vertical, 2 Cycle, Single Acting, Self Reversing, Cross Head type, Diesel Engine with Turbo Charger. HITACHI-B&W 8L35MC (MARK 6). Service power No of Cylinders Cyl Bore x Stroke 5280 BHP (3883 Kw) x 210 RPM 6 350 mm x 1050 mm. Grade of fuel used IFO 380CST Auxiliaries and make (Electrical) (Mechanical) Grade of fuel used Vertical, 4 Cycle, Single Acting Direct Injection, Diesel Engine with Water Cooled Turbo Charger. YANMAR DIESEL ENGINE / S165L-EN 450 KW at 1200RPM Marine Gas Oil Emergency Gen Drip Proof / NFD 150 K x 8 Kw Bow Thruster Power NA Boiler Natural Circulation Vertical Water Tube Boiler Evaporation 716 kg/h Max Design 13.5 kg/cm2 Pressure Feed Water Temp 65-70 deg. C. Exhaust Economiser Forced Circulation Multitudinous Tube Evaporation 600 kg/h Air Compressors (Main) Air Compressors (Emergency) / MH 114A / 30 kg/cm2 / Matsubara Iron Works Co., Ltd. SC2 / 30 kg/cm2 / Showa Seiki Fuel Oil Purifier SJ-16T Selfjector /Mitsubishi Kakoki Kaishi., Ltd. Form C TBA 2
1900 L/H Lub Oil Purifier SJ-16T Selfjector Mitsubishi Kakoki Kaishi., Ltd. 1900 L/H Evaporator KE 10 Sasakura Engineering Co., Ltd. 10 Ton/Day Fresh Water Sterilizer Fresh Water Mineraliser / USS-3K Uzushio Electric Co., Ltd. 3 K L/H NA Waste Oil Incinerator (IMO MEPC 76 (40)) BGW-10 Miura Co., Ltd. 9.8 x 10 4 Kcal/h Oily Water Separator HMS-100 Heishin Pump Works Co., Ltd. 1 m3/h Sewage Treatment plant Hot Water Set (Calorifier unit) ST-2A Sasakura Engineering Co., Ltd. 7 m3/h NA Steering Gear R21-180 LV Kawasaki Heavy Industries, Ltd. Duty 120 kg/cm2 Hydraulic pump unit S10P-K1.0 2 Speed Up to and Beaufort Scale 4 Douglas Sea state 3 About 12.5 knots Laden/Ballast CONSUMPTION/ DAY At Sea Main Engine IFO About 12.0 MT +/- 5% Laden/Ballast Auxiliary Engine MGO About 1.0 MT +/- 5% Without using N2 Generator At Port IFO MGO MGO MGO MGO About 0.9 MT +/- 5% About 0.9 MT +/- 5% About 1.5 MT +/- 5% About 2.0 MT +/- 5% About 2.5 MT +/- 5% For Boiler Idle Stand By Arvl/Slng Discharging with 1 Pump Discharging with 2 Pumps Permanent bunker capacity (100%) HFO 606.22 m3 Form C TBA 3
Diesel 97.48 m3 Fresh Water 477.3 m3 (B) CARGO INSTALLATIONS 1. Transportable products and respective quantities, calculated in accordance with IMO maximum filling formula. (Tonnes) 100% (CBM) 98% (CBM) NO.1 CARGO TANK 2191.0 2147.2 NO.2 CARGO TANK 2190.9 2147.1 NO 3 CARGO TANK 2190.3 2146.5 T O T A L 6572.2 6440.8 SPSV (bar g) Ref. Temp. (deg. C.) Density at (Ref. Temp.) Corresponding Quantity (MT) Propane 17.65 53.8 0.443 2853.27 Propylene 17.65 45.5 0.468 3014.29 B/P Mixture 17.65 64.0 0.451 2904.80 I-Butane 6.86 68.0 0.519 3342.77 N-Butane 6.86 45.0 0.548 3529.53 Butylene 6.86 60.0 0.540 3478.03 Butadiene 6.86 63.0 0.563 3626.17 V.C.M. 6.86 49.0 0.865 5571.29 Isoprene 6.86 110.0 0.571 3677.69 Pentane 6.86 111.0 0.524 3374.98 Pentene 6.86 101.0 0.548 3529.55 Note(1) In case of USCG, propylene, propane and B/P mixtures are not to be carried except the vapour pressure of B/P mixtures is not more than 12.75 bar g, 13.0 kg/cm 2 @ 45 C Note(2) On and after, the pressure value in parentheses is shown as a conversion value Mixing ratio of above mentioned B/P mixtures is as follows Butane 35 wt% and propane 65 wt% 2. Other transportable products N/A SPSV Raffinate 1 Raffinate 2 C4 Ref. Temp. ( C.) Density at Ref. Temp. Corresponding Quantity (MT) 3. TANKS 3.1 Design pressure (Vapour) BV-IGC 17.65 bar g (1.765 MPag) - USCG 12.75 bar g (1.275 MPag ) 3.2 Valve setting 17.65 bar g (1.765 MPag) / 12.75 bar g (1.275 MPag ) 3.3 Maximum vacuum obtainable 0.0 kg/cm2 3.5 Maximum temperature acceptable 45 C 3.6 Minimum temperature acceptable 0 C 3.7 Hydrostatic Test Pressure 26.48 bar g (2.648 MPag) 4. LOADING RATE (TONS/HOUR) For Full Cargo Parcels Ex-atmospheric storage with gas Return Remarks 1 tank 790 CBM/HR 2 tanks or 1225 CBM/HR 3 tanks Form C TBA 4
* Based on maximum velocity of 6.5 metres/sec except VCM, and 4.0 meters/sec for VCM in the liquid piping. * If cargo temperature is less than 0 C, shore heater to be used. If ship heater used, max rate is 250 m 3 per hour. * Loading by shore pump only, proper size gas return line to be connected * Subject to both ship and shore tanks being under favourable conditions 5. CARGO PUMPS 5.1 Electric Motor Driven Deepwell Pump Vertical Centrifugal, Multi-stage Make Svanehoj International A/S How many 3 sets in total Maximum specific gravity 0.948 5.2 (CMB/Hour) 450 CBM/HR x 110 mlc (SG 0.640) 300 CBM/HR x 140 mlc (SG 0.948) Two speed or variable speed Synchronous Speed 1780 RPM Rated kw (each) 165 Working pressure maximum 22 kg/cm2 5.3 Location One Pump each Cargo Tank Removable Not removable 5.4 Booster pumps Electric Motor Driven Vertical Centrifugal Maker Svanehoj International A/S 5.5 (CMB/Hour) 450 cbm/hr x 110 mlc (SG 0.640) 300 cbm/hr x 130 mlc (SG 0.948) Working pressure 22 kg/cm2 5.6 Location Top side of No. 3 Tank 5.7 Time to discharge a full liquid cargo using all pumps against back pressure at pump 1 bar about 5 hours for LPG 5 bars about 8 hours for LPG 10 bars ------- 5.8 Nominal back pressure when working about 1 bar In series corresponding head N/A Maximum back pressure about 5 bar Nominal pressure at rail (propane) about 13 bar at 20 degree C of cargo temperature 5.9 What amount of cargo remains in tanks after completion pumping before stripping - liquid about 0.177 cbm per one tank - vapour about 16 ton per one tank for LPG 6. STRIPPING 6.1 Stripping system, if any Nil 6.2 Time required to remove all traces of liquid cargo as stated in 5.9 for - LPG about hours 7. CARGO COMPRESSORS 7.1 Vertical 1 Stage Water Cooled Double Acting Form C TBA 5
Make Tanabe Pneumatic Machinery, Co., Ltd. How many 2 Sets Piston displacement 460 m3/h Rated Kw 75 Kw Stroke 177.8 mm Max discharge pressure 20 kg/cm2 Pressure differential Normal 2.5 kg/cm2 (Max. 7.0 kg/cm2 at single action) No of Revolutions 540.0 RPM 7.2 Are compressors oil free Yes 7.3 Can they reliquefy VCM without risk Yes 7.4 State time to bring full cargo of butane to atmospheric pressure from 8. INERT GAS SYSTEM NA 8.1 N2 GENERATOR Maker Due point at atmospheric temperature Nitrogen Discharge pressure Flow ratye designed PRISH Nebraneitrogen System PERMEA MARITIME PROTECTION Hinun(-) 65 dog.c. 10 bar(g) (maximum) 420 Nm3 /Hr(N2 Purity 97.0 Vol.%) 325 Nm3/Hr( N2 Purity 98.0 Vol.%) 250 Nm3/Hr( N2 Purity 99.0 Vol.%) 185 Nm3/Hr( N2 Purity 99.5 Vol.%) EXPECTED TIME REQUIRED TO To Oxygen contents 4.0 Vol.% To Oxygen contents 2.0 Vol.% SHORE SUPPLY OF NITROGEN In order to reduce Oxygen Contents in cargo tanks lelss than 0.5% by Volume or to save time for inerting, Shore Supply of Nitrogen is required. 8.2 Can the vessel produce inert gas? NA If so, state type and composition of gas produce INERT CARGO FROM OPEN AIR About 45 Hrs About 75 Hrs 8.3 8.4 State if there are storage facilities for inert gas onboard N/A - Size N/A - Pressure N/A 8.5 State if any shore supply of nitrogen may be required N/A - for what purpose N/A Form C TBA 6
- what quantities N/A 9. GAS FREEING 9.1 State method used giving all details Nitrogen Plant / Fans 9.2 State time required including stripping 2 or 3 days 10. CHANGING GRADE 10.1 From completion discharge of cargo Propane, time required in hours and inert gas in CBM required to reach a tank and gas installation atmosphere of less than 100 ppm of Propane in Vapour phase. Time required 48 h / 38256 cbm 10.2 Can this operation be carried out at sea? YES 10.3 Can the ship measure the number of ppm in vapour phase? YES (Dragger Tubes) 10.4 Has vessel deck tank for changing grade/cooling operations? NA 10.5 Deck tanks NIL Purpose 11. COOLING BEFORE LOADING Using cargo spray line 12. CARGO HEATER 12.1 Horizontal Shell & Tube 12.2 Inside Diameter 0.62 M 12.3 Overall length 8.86 M 12.4 Cargo flow rate 350 CBM/HR 12.5 Min Inlet Temp +20 deg. C 12.6 Min Outlet Temp +5 deg. C 12.7 Required Sea water 250 CBM/HR 12.8 Design Pressure 5 kg/cm2 12.9 Hydrostatic Test Pressure 7.5 kg/cm2 12.10 Tightness Test Pressure 12.0 State discharging rate for propane to be brought from atmospheric pressure Loading rate for Propane 45 C / 0 C about 125 Mt/hr 13. CARGO VAPORIZER In case vapour gas is needed to feed compressors, can vessel produce its own if no shore available No 14. REFRIGERATING APPARATUS NA 14.1 Is it independent of cargo? NA Is so, state cooling agents NA 14.2 What minimum temperature can be maintained NA 14.3 What time required at sea to lower by 1 o C the full cargo of NA 15. MEASURING APPARATUS What gauges on board? Float type level gauge Form C TBA 7
Location At each cargo tank dome 16. SAMPLES 16.1 State how tank atmosphere samples can be taken and where from? Atmosphere samples can be taken at slip tubes, sampling tubes and pressure connection. Standard of fitting? Sampling point 16.2 Same question for cargo Sampling point 16.3 Are sample bottles available on board? No 17. CARGO LINES 17.1 Is ship fitted with a port and starboard cargo manifold? Yes 17.2 Position of cargo manifold - distance from stern (AP) (S / P) 59.20 M - distance form stem (FP) (S / P) 59.80 M - height above deck 3.96 m for Liquid manifold - distance from ship s rail 3.75 M - underside keel to manifold 12.845 M 17.3 Liquid line Gas line - flange-size ANSI 300 lbs / 10 in. x 8 in. - type Vertical Flange - flange-size ANSI 300 lbs / 6 in. x 5 in. - type Vertical Flange 17.4 What reducers on board? For Liquid line (low temperature) For Vapor line (normal temp.) All reducers designed for low temperature 45 C Same 17.5 Is ship fitted with stern discharge? No - Liquid line - diameter N/A - flange size N/A - type N/A 18. HOSES Are serviceable hoses available on board? None 18.1 Length Diameter Flange-size Bending radius 18.2 Minimum temperature acceptable Maximum pressure acceptable Form C TBA 8
18.3 For what products are hoses suitable? 19. DERRICKS - Hose cranes YES - Where situated Between # 2 and # 3 tanks - Lifting capacity SWL 5.0 MT - Working radius 4.50 Meters 20. SPECIAL FACILITIES 20.1 How many grades can be segregated? One 20.2 How many cooled? N/A 20.3 Can vessel sail with slack cargo tanks? Yes Form C TBA 9