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- 2. All information, data and other technical description in this document are for guidance purposes only and subject to change. © January 2015 – Sea Trucks Group – All rights reserved.
DP3 Deepwater Pipelay
Construction vessel
Jascon 18 with its twin-working decks is the deepwater flagship of the Group’s DP3 offshore
construction vessel fleet. This vessel is built according to the group’s hybrid design philosophy
and capable of performing a wide variety of marine construction and pipelay tasks in both ultra
deepwater and continental shelf environments.
Jascon 18
Specifications
GENERAL
Classification
ABS X A1 Vessel ⓔ, AMS, DPS-3, CRC, HELIDK,
UWILD, Unrestricted Service, GP
SPS code 2008
Flag Gibraltar
Call sign TBA
IMO number 8770261
UNDER CONSTRUCTION
Principal dimensions
Length overall 150.00 m
Breadth 36.80 m
Extreme breadth (bridge wings) 38.00 m
Depth 15.10 m
Draft (max) 6.80 m
Draft (max) including retr. thrusters 10.60 m
Gross tonnage (prelim) 25336 t
Net tonnage 7600 t
Deadweight (summer) 11890 t
Displacement (summer) 30146 t
Cranage
Main crane (Huisman Itrec)
1800 mTon @ 27 m
Main hoist revolving 1200 mTon @ 33 m
Auxiliary hoist
600 mTon @ 29 m, 300 mTon @ 59 m
Whip hoist 100 mTon @ 82 m
Heave compensated auxiliary hoist
Underwater capacity
300 mTon @ 3000 m
Auxiliary deck crane
2 x Pedestal type, 40 Ton @ 40 m, make TTS
DECK Space
Approx. 1800 m²
DECK Load
5 t / m²
Capacities
Fuel oil (storage) 3562 m³
Fuel day tank (total) 396 m³
Fuel overflow 325 m³
Lube oil 198 m³
Fresh water (potable) 2540 m³
Ballast water 10943 m³
Sludge oil 79 m³
Dirty oil 20 m³
Black / Grey water 568 m³
Bilge water 99 m³
- 3. Specifications
All information, data and other technical description in this document are for guidance purposes only and subject to change. © January 2015 – Sea Trucks Group – All rights reserved.
Compressed air
3 x TMC Service Air Compressors rated at
11 bar, 1680 m³ / hrs FAD
2 x Hatlapa Starting Air Compressors rated at
30 bar, 85.5 m³/ hrs FAD
DP System
Kongsberg K-POS 22 working/ navigation bridge
Kongsberg K-POS 12 control station at DP
Back-up room
DP Reference Systems
- 1 x Radius 1000
- 2 x DGPS receivers
- 3 x Gyro compass
- 4 x Motion reference units
- 1 x Lightweight Tautwire
- 1 x HIPAP 500
- 3 x Wind sensors
Power plant
8 x EMD 20-710G7B diesel engine
(3580 kW) each
EM DG- 1 x Caterpillar 3508B diesel engine
910 kW
Propulsion
Propulsion thruster ROLLS ROYCE
2 x FPP azimuth motor driven
(US305) - 3000 kW each
Aft/Forward retractable thrusters
ROLLS ROYCE
5 x FPP azimuth motor driven
(UL255FP) - 2400 kW each
2 x FPP azimuth motor driven
(UL2001) - 1800 kW each
Bow thruster ROLLS ROYCE
1 x motor driven (TT2400DPN) - 1700 kW each
Endurance key parameters
Freshwater making capacity
2 x 100 t / 24 hrs
Fuel consumption (typical)
- In port 7 m³ / 24 hrs
- Transit 38 m³ / 24 hrs
- DP 23 m³ / 24 hrs
(Accommodation mode)
Helideck
Aztech Aluminium Helideck with Deck integrated
fire fighting system (DIFFS) suitable for Sikorsky
S-92A Helibus
Maximum “D” Value helideck 22.20 m
Maximum take-off weight 12.80 t
HMS Kongsberg 100
DIFF system & Chemguard Foam Station,
36 Gallons
Accommodation
399 people in 123 cabins
- 84 x 4 persons cabins
- 24 x 2 persons cabins
- 7 x 1 person cabins
- 8 x 1 STATE cabins
Fully air-conditioned permanent accommodation
for up to 399 persons in cabins all with ensuite
bathroom facilities. Including conference room,
offices, cinema, gymnasium, recreation rooms,
laundry, internet café and a medic room with
hospital.
Radio / Communication / Entertainment
V-Sat
GMDSS
INMARSAT Fleet 77
EPIRB
SART
VHF
UHF
AIRBAND VHF
Integrated Multimedia
Communication System
- PA/GA
- Automatic telephone
- Talk back
- IPTV/TVSAT
- Sound powered telephone
- LAN
- CCTV
- Master Clock
- Video on Demand
Lifesaving appliances
Liferafts 8 x 25 persons
Lifeboats 4 x 130 persons +
2 x 150 persons
Fast rescue boat 2 x 6 + 1 persons
Gangway (Optional)
Max length 42.50 m
Length in mid position 36.50 m
Height of pedestal up to 15.00 m
Make Marine Aluminium, Norway
Pipelay equipment
Concept Single joint S-lay system on Tween
deck at CL, below main deck, make SAS Gouda
Capacity 4” - 48” diameter pipe
(with coating 60”)
Tensioners 3 x tensioner of 200 t each
A&R winch 2 x 300 t
Workstations Firing Line
4 x welding stations,
1 x NDE (X-ray or Ultrasonic) / repair station,
3 x welding stations on the Piggy Back platform,
2 x coating stations
Stinger length 120 m, in two sections
Davits 3 x with load cells, capacity 60 t each
Mooring system
Anchor windlasses
- 2 x Constant tension Barge mooring
winches, midship - 25 t at mid layer
- 2 x Electric Mooring Winches, Aft - 40 t
at mid layer
- 2 x Electric Winch Bollards, forward - 15 t
at mid layer
Capstans 2 x 10 t AFT
Additional Data
Sewage treatment unit
vacuum system, with nil overboard discharge,
make EVAC
Incinerator 800,000 kcal / hrs,
make Detagasa
Yokohama fenders 6.50 x 3.30 m
Moon pool 8.00 x 5.80 m at SB
- 4. seatrucksgroup.com
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STG JASCON 18
All information, data and other technical description in this document are for guidance purposes only
and subject to change. © January 2015 – Sea Trucks Group – All rights reserved.
Sea Trucks Group has offices in
West Africa, Middle East, Europe,
South East Asia, Australia and
North America.
Globally
represented
WEST AFRICA
1 Lagos, Nigeria
Headquarters / Engineering &
Operations office
2 Onne, Warri, Escravos, Nigeria
Operational bases /
fabrication yard
3 Accra, Ghana
Support office
4 Luanda, Angola
Support office
5 Pointe Noire, Congo
Support office
EUROPE
6 Rotterdam, The Netherlands
Engineering & Support office
NORTH AMERICA
7 Houston, U.S.A.
Representative office
MIDDLE EAST
8 Sharjah, U.A.E.
Corporate Support office /
fabrication yard
ASIA PACIFIC
9 Perth, Australia
Support office
10 Shanghai, China
Vessel construction
11 Singapore
Site office
Sea Trucks Group (HQ)
4a Onitana Road
P.O. Box 8755
Ikoyi – Lagos
Nigeria
T +234 1 791 8634
Sea Trucks Netherlands
Delftseplein 27N
P.O. Box 176
3000 AD Rotterdam
The Netherlands
T +31 10 75 40 100
seatrucksgroup.com
SURF Installation Accommodation Hook-up and Commissioning
Pipelay Heavy Lift Decommissioning MARINE SUPPORT