Dredges and Dredging Equipment

File 110334-VW

12,000 hp AHTS
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GA Plan
Capacity Plan
Midship Plan

12,000 hp AHTS

This AHTS was built in 2010, Universal Shipbuilding Corporation, Yokohama, Japan and its Classification Society is ABS (American Bureau of Shipping) and Class Notation is ABS + A1, Ⓔ, Offshore Support Vsl, AH, Towing Vsl, Fire Fighting Vsl Class 1 + DPS-2 + ACCU + AMS.

Flag: Liberia

Located in West Africa

Price for AHTS: USD $ 30,457,000


Technical Details
Principal Dimensions and Characteristics
  Year Built:      2010
  Classification Society:                 ABS (American Bureau of Shipping)
  Class Notation:     ABS + A1, Ⓔ, Offshore Support Vsl, AH, Towing Vsl, Fire Fighting Vsl Class 1 + DPS-2 + ACCU + AMS.
  Length Over All: 68.00 m
223 feet
  Length Waterline: 60.00 m
197 feet
  Molded Beam: 16.40 m 54 feet
  Molded Depth: 7.20 m
24 feet
  Draft Max: 6.00 m
20 feet
  GRT/NRT: 2,430/782
  Maximum Speed: 14.6 knots
  Design Speed: 13.9 knots (Draft = 5.2 m, 85% MCO)
  Type of Fuel: Marine Gas Oil
  Bollard Pull: 151 tonnes
  Fuel Consumption Main Engine: 39.96 mt/day @ MCO (max speed)
  Fuel Consumption at:
  Eco speed: 24 tonnes/day
  Standby in port: 1.2 tonnes/day
  Standby at sea 16 tonnes/day
  Cargo Capacities:
  Deadweight: 2,430 tonnes
  Deck Cargo: 1,000 tonnes
  Deck Strength: 10 & 5 tonnes/m2
  Clear Deck Area: 440 m2
  Fuel Oil (at 100%) 990 cubic meters 1,295 cubic yards
  Fresh Water (at 100%) 537.81 cubic meters 703 cubic yards
  Ballast/Drill Water (at 100%): 406.95 cubic meters 532 cubic yards
  Liquid Mud (at 100%): 423.12 cubic meters 553 cubic yards
  Bulk Cement (at 100%): 250.00 cubic meters 327 cubic yards
  Foam/Detergent Rig Chain Locker/DW (for FiFi system): 25.01 cubic meters 33 cubic yards
  Rig Chain Locker/DW (at 100%): 76.62 cubic meters x 2 100 cubic yards x 2
  Accommodation:
  Berths: 6 x 1 berth cabins = 06
    6 x 2 berth cabins = 12
    3 x 4 berth cabins = 12
  Total --------------------------30
Propulsion System
  Main Engines (2):
  Make/Model: Wartsila / 9L32
  Power @ 750 RPM 4,500 kW x 2 6,000 hp x 2
  Main Generators (2):     
  Make/Model: Caterpillar / 3406
  Power @ 450 V/60 Hz 320 kW x 2 429 hp x 2
  Emergency Generator:
  Make/Model: Caterpillar / C4.4
  Power @ 450 V/60 Hz 72 kW 97 hp
  Shaft Alternators (2):
  Make/Model: ACK DSG86 M1-4W
  Power @ 450 V/60 Hz 1,800 kW x 2 2,414 hp x 2
  Bow Thrusters (2):         
  Make/Model: Wartsila / CT175M-D
  Power: 820 kW x 2 hp x 2
  Stern Thrusters (2):
  Make/Model (1): Wartsila / CT175M-D
  Power: 820 kW 1,100 hp
  Make/Model (1): Wartsila / CT150H-D
  Power: 820 kW 1,100 hp
  Steering Gear:
  2 x Rolls Royce Tenfjord SR642-FCP
  Propulsion:
  2 x 4 bladed CPP in Kort nozzles
  Rudders:    
  2 x Rolls Royce Ulstein Hinze
  Dynamic Positioning:    
  DPS-2
Deck Equipment
  Anchor Windlass: 1 x electro-hydraulic Fukushima F3842II-W216
  Gypsy: Suited for 40mm (Ø) chain, rated pull 147kN @12m/min
  Warping drum: 400 mm (Ø) x 500 mm (L), rated pull 12mt @ 10m/min
  Bow Anchors: 2 x AC14 high holding power anchors
  Chains: 2 x 40mm (Ø) x 440m (L) Grade 3
  Capstan: 2 x 10mt @ 19m/min electro-hydraulic Fukushima HCA5-10/450
  Tugger Winch: 2 x 12mt @ 24m/min electro hydraulic Fukushima TU5-12/430
  Drum Capacity: 180 m (L) x 28 mm (Ø) feet x inches
  Deck Crane: 1 x 5 tonnes at 12 m
  Towing/AH Winch: 1 x electro-hydraulic Fukushima DDWG-300H-6M
  Upper Drum Cap (Tow): 2,500 m (L) x 76 mm (Ø) 8,202 feet x 3 inches
  Lower Drum Cap (AH): 2,500 m (L) x 76 mm (Ø) 8,202 feet x 3 inches
  Line Pull (2Drive/4Pump): 300 mt x 10.2 m/min (first layer)
    155 mt x 19.7 m/min (first layer)
    104 mt x 29.7 m/min (first layer)
  Line Pull (1Drive/2Pump): 150 mt x 10.2 m/min (first layer)
    77.5 mt x 19.7 m/min (first layer)
    52 mt x 29.2 m/min (first layer)
  Dynamic Brake:
  (2 Drive/4 Pump): 360 mt x 33 m/min
  (1 Drive/2 Pump): 180 mt x 33 m/min
  Brake Capacity: 450 mt static at first layer
  Gypsies: 1 x 86mm (Ø) and 1 x 84mm (Ø) rig chain
  Stern Roller: 2.0m x 4.0 m (450 mt SWL) Universal Shipbuilding
  Shark Jaw (Karm Fork): 2 x electro-hydraulic Karm Forks for wire with max MSL up to 300 mt
  Tow Pin: 2 x electro-hydraulic Karm Pins for ships with bollard pull up to 160 mt
  Rope Reel: 1 x electro-hydraulic 76 mm (Ø) x 1,500 m (L), 7.5 mt @ 32m/min at seventh layer Fukushima SRW4-7.5/1000
Radio & Navigation Equipment
  GMDSS: 1 x Furuno RC-1800F2
  Inmarsat C: 1 x Furuno FELCOM 15
  VHF Radio with DSC Printer: 2 x Furuno FM8800S
  Navtex Receiver: 1 x Furuno NX-700A
  SART: 2 x Furuno TBR-600
  EPIRB: 1 x Kannad 406 Auto
  Portable VHF Radios: 3 x Entel HT649
  Radar X-Band: 1 x Furuno Far-2817
  Radar S-Band: 1 x Furuno Far-2837S
  Echo Sounder: 1 x Furuno FE-700
  DGPS: 1 x Furuno GP-150
  Gyrocompass: 3 x Yokogawa (2 x CMZ900S, 1 X CMZ900D)
  Autopilot: 1 x Yokogawa PT70-P-ANALOG
  Magnetic Compass: 1 x Yokogawa SR-165
  Weather Fax: 1 x Furuno Fax-410
  Speed Log: 1 x Furuno DS-50 Doppler log
  Wind Indicator: 2 x Nippon electric Windicators MM-52R
  AIS (with LRIT Function): 1 x Furuno FA-150
  DP-2 system: Converteam ADP21 with IJS
  Joystick (Independent): 2 x Converteam (1 x fixed and 1 x portable)
  Vessel also fitted with Vingtor Talkback System and Self-Powered Telephones
Fire Fighting & Anti-Pollution Equipment         
  External:
  FiFi System: Class 1
  Fire Pump: 2 x 1,200 m3/hr @ 10 bar FFS SFP 250x350HD
  Monitor: 2 x 1,200 m3/hr @ 10 bar FFS 1200/300DB
  Oil Dispersant System: 2 x 6 m length spray booms with 7 nozzles each
    Pump: 1 x 11 m3/hr @ 60m head
    Eductor: 60 m3/hr @ 60m
  Internal:
  Emergency Fire Pump: 1 x 40 m3/hr @ 60m head, Ishi Machinery 125-CSB7-N
  BA Recharging Comp: 1 X 260 L/min @ 300 bar, Coltri Sub MCH16/E-TS
  CO2 system in engine room: 17 x 55 kg cylinders, NK Co LTD
  Water mist fire extinguishing system in machinery space total flow 252 L/min
Miscellaneous
  Life rafts: 6 x 16 person RFD Surviva MKIV
  Rescue boat: 1 x 15 person Norsafe 615 Merlin
  Oily Water separator: 1 x 1 m3/hr Taiko Kikai USH-10
  Sewage Treatment Plant: 1 x 40 men/day (2,400 L), Taiko-Kikai SBT-40
  Water Maker: 1 x 10 m3/day, Sasakura, HR-10N
  Chiller space: 8.8 cubic meters 12 cubic yards
  Freezer space: 10 cubic meters 13 cubic yards
  Tank washing system: Hot wash capable with chemical injection
    1 x cleaning nozzle fitted in each mud and base oil/brine tank (Total: 8 )

All details on these pages are given in good faith and are believed to be accurate but no warranty of accuracy or completeness or suitability for purpose is either stated or implied. Prices are subject to change without notice.


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