Category: Tugs
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Siem Opal 01

Bergen, Norway 01 October 2017

 

Name

SIEM OPAL

Type

Offshore anchor handling tug supply vessel (AHTS)

IMO-number

9442419

Call sign

LAXM

Flag

Norway

Port of registry

Kristiansand

GT

7.473 t

DWT

Summer: 4.250 t

NT

2.241 t

Displacement

Lightship: 6.069,1 t

Summer: 10.230 t

Length

91,00 m overall

79,35 m between perpendiculars

Breadth

22,04 m extreme

Draught

7,97 m

Depth

9,60 m - 1ste deck

19,00 m - C-deck

27,40 m - bridge deck

Speed

Service speed economical:: 10 knots

Transit service speed -medium: 12 knots

Transit service speed -high: 14 knots

Transit full speed (long duration): 16 knots

Max speed: 18 knots

Built

2011

Keel laid

24/10/2008

Launch date

01/01/2010

Date of completion

21/01/2011

Builder casco

Kherson Shipyard

Builder completion

Kleven Verft AS
Ulsteinvik
Norway

Yard number

334

Hull material

Steel

Propulsion engine

2x Wärtsilä 16V32 - 16 cylinder diesel engine each 8.000 kW / 10.720 bhp at 750 rpm

Builder: Wärtsilä Finland Oy

Electric propulsion engines

2x AA QD 560 each 1.600 kW / 2.144 bhp at 800 rpm DE-mode

Propellers

2x Lips Controllable pitch propellers each 9.215kW at 144 rpm

Diameter: 4,200 mm

Shaft generator

2x Alconza shaft generators each 3.400 ekW

Auxiliary engines genset

2x Caterpillar 3516C diesel generatorsets 2.100 kW / 2.814 bhp at 1.800 rpm

Emergency generator

1x Caterpillar C18 ACERT diesel generatorset 425 ekW

Bow thrusters

2x Tunnel thruster Brunvoll each 1.000 kW / 1.340 bhp at 273 rpm

Bow azimuth thruster

1x Azimuth thruster Brunvoll 830 kW / 1.112 bhp at 364 rpm

Stern thrusters

2x Tunnel thruster Brunvoll each 880 kW / 1.179 bhp at 280 rpm

Winches & wires

Anchor handling / towing winch: Brattvaag SL500W3 – Waterfall Type

AH winch:

AH winch line pull: 500 t @ 16,70 m/min (1st layer)

AH winch brake load: 550 t (first layer)

AH winch drum capacity: 7.700 m - Diameter: 76mm

AH wire on board: 2.500 m - Diameter: 90mm

Tow/Work Winch:

Tow/work winch line pull: 500 t @ 17,50 m/min (1st layer)

Work winch brake load: 750 t (first layer)

Tow/work winch drum capacity: 2x 4.600 m - Diameter: 76 mm

Tow wire on board: 1.500 m - Diameter: 90 mm

Work wire on board: 300 m - Diameter 86 mm

Secondary Winches:

Secondary winch: 2x Brattvaag ALM63170U

Secondary winch line pull: 170 t @ 23,00 m/min (1st layer)

Secondary winch break load: 200 t Dynamic Breaking at 70 m/min

Secondary winches drum capacity: 2x 3.100 m - Diameter: 160 mm Synthetic or 2x 1.600m - Diampeter 203 mm Synthetic or 2x 5.000 m - Diameter 76 mm wire

AH deck equipment

Towing Pins: RR, 2x 250 t SWL

Pop-Up Pins: RR, 2x 220 t SWL

Shark Jaws: RR, 2x 800 t SWL

Centering devise: RR, two triangular plates in a common box. Max reach 1,00 m either side. Max 14,0 t @ 100 mm above deck

Stern roller: Double stern roller: 2x Diameter 4.000 mm x 4.000 mm. 800 t SWL on each roller

Tugger Winches: 2x 24 t pull

Capstans: 2x 14 t pull located

Spooling Sheave: RR, ID diameter 1.400 mm, max diameter 90 mm wire, max diameter 125 mm chain. Max combined forces 100 t

Pennant Coiler: RR. hoist capacity: 8,0 t Pull @ 0-22 m/min 1st Layer

Cargo Capacity

Cargo deck area: 813 m²

Deck length: 45,2 m

Deck Breadth: 18,0 m

Max deck load: 1.600 t

Deck strength:

10 t/m²

15 t/m²

Cranes/Triplex MDH

Gantry crane: Triplex MDH, travelling gantry crane 42 t for safe anchor handling and cargo operations

4,75 m opening underneath

Triplex MDH palfinger: SWL 27,5 t. Max Radius 22,50 m 2.400 kg

Triplex MDH manipulator crane: SWL 2,0 t @ Radius 4,70 m. Max swing radius 5,50 m

Triplex MDH Winch: SWL Max 22,0 t. 72,00 m Diameter 32 mm wire

Triplex MDX Wire Clamp: Diameter 60 - 100 mm, clamping force 9 t

Deck Crane STB: Hydramarine 3 t @ 15,00 m

Deck Crane PS: Hydramarine 10 t @ 18,00 m

Tank capacities

Ballast water: 2.887,6 m³ / 2.959,8 t

Fresh water: 1.071,8 m³ / 1.071,8 t

Fuel oil: 1.223,8 m³ / 1.052,5 t

Dry bulk: 291,3 m³ / 699,1 t

Liquid mud; 647,4 m³ / 1.812,7 t

Rig chain lockers: 649,1 m³ / 665,3 t

Alternative capacities for multi-purpose tanks:

Brine / ORO: 973,4 m³

Liquid mud / ORO: 1296,5 m³

Base oil (special product): 189,6 m³

Wax inhibitor: 94,8 m³

Anchor equipment

Length: 550,00 m

Diameter: 54 mm

Crew size

80

Manager

Siem Offshore AS
Nodeviga 14
4610 Kristiansand S
Norway

Owner

Siem AHTS Pool AS

Latest data adjustment

12 February 2018