The UT 740 is a Large Multifunctional Anchor Handling / Tug / Supply and Service Vessel designed to satisfy the new demands of the offshore industry as oil exploration and oil production moves into deepter water. Besides undertaking normal supply duties between land base and drilling sites, the vessel is designed and equipped for: Anchor Handling in deep water, Towing, ROV/Sub Sea Service, Heavy lift/Ploughing through A-frame, Standby/Rescue, Oil Recovery and Fire Fighting. The UT 740 is charaterised by high installed powers and high bollard pull, large deadweight, bunker capacity for long tows and a powerful winch.
Length over all, approx 80,42 m
Length between p.p 69,30 m
Breadth moulded 18,00 m
Depth moulded 9,50 m
Design draught 7,00 m
Max. draught midship 7,77 m
Ballast water 2100 m3
Fresh water 1050 m3
Drillwater 1900 m3
Dry bulk cargo tanks (cement) 12000 cu.ft.
Fuel oil 1500 m3
Methanol 120 m3
Liquid mud 545 m3
Brine 440 m3
Cargo chain lockers 540 m3
Oil rec. 1050 m3
Cargo deck area approx. 600 m2
Deck cargo (G="1,0" m above deck) approx 1200 T
Deadweight approx. 4100 T
DnV + 1A1, Tug Supply Vessel, SF, EO, Oil Recovery, DynPos AUTR, Fi-Fi I, Fi-Fi II, Ice C, LFL*
Bollard pull approx. 220 T
Speed, approx 17,5 knots
The vessel has accommodation and equipment for 40 persons. and area for approx. 300 survivors.
Four ULSTEIN vertical Cement Tanks
Total capacity 338 cu.metres
Two deck cranes, 5 tonnes at 10 metrs.
Rudders / Steering Gear
Two ULSTEIN High Lift Flap Rudders
Two ULSTEIN independent electric - hydraulic
Steering Gear SR 722
Two ULSTEIN Sidethruster aft. each 590 kW
One of ULSTEIN Sidethruster forward 883 kW
One of ULSTEIN Retractable Azimuth Thruster forward, 883 kW
Roll Damping System
ULSTEIN Passive Stabilizing Systems.
Mannoeuvring / Positioning
Ulstein Poscon Joystick
DynPos AUTR, prepared for upgrading to AUTR.
Navigation / Communication
S-band and X-band radars with plotter.
Electronic chart system with printer
Radio installation according to GMDSS —A3 with Inmarsat C, Inmarsat B
Two ULSTEIN Tugger Winches, 15 tonnes
Two ULSTEIN Capstans aft, 15 tonnes
One ULSTEIN Capstans forward, 6 tonnes
One ULSTEIN Special Handling Drum: Capacity 1500 m of 109 mm dia. wire 0-43 m/min. brake 560 Two ULSTEIN Special Handling Drum: Capacity: 2000 m of 83 mm dia. wire, 0-68 m/min., brake 550 tonnes
Two ULSTEIN Storedrums, 50 tonnes Capacity each: 3400 m of 77 mm dia wire.
One ULSTEIN Spare Towing Wire Drum
Two anchor handling drums
Four towing pins
Two MOB-boats with approved one-armed davit 25 knots speed
Machinery / Propulsion System
Four Main engines, each of 3345 kW (Total 13380 kW)
Two ULSTEIN Main Propellers, each of 6690 kW in fixed nozzles.
Electric Power Plant (440 V — 60 Hz)
One generator set, 475 kVA
One generator set, 1788 kVA
Two shaft generators, each of 2400 kVA
Fire Fighting System (Fi-Fi I + II)
Two water monitors:
Throw length 180 m
Throw height 110 m
Capacity 3600 m3/h each