Seven Borealis IMO 9452787 01

Rotterdam 12 Augustus 2020

 

Name

SEVEN BOREALIS

Previous names

Build as: Sembawang

2011 - 2012 Acergy Borealis

Type

Pipe lay and heavy lift vessel

IMO-number

9452787

Call sign

C6YG8

Flag

Bahamas

Port of registry

Nassau

GT

49.735 t

DWT

Summer: 47.000 t

NT

14.921 t

Length

182,25 m overall

168,60 m between perpendiculars

Breadth

46,20 m extreme

Draught

Operating draft 8,50 m to 11,35 m

Freeboard

4.775 mm

Depth

16,10 m tp main deck

Speed

Max: 14,0 knots

Transit: 11,0 knots

Built

2012

Keel laid

10/11/2008

Launch date

19/10/2009

Date of completion

21/02/2012

Builder casco

Nantong Yahua Shipbuilding Co., Ltd.

Builder completion

Sembawang Shipyard Pte Ltd/

Republic of Singapore

Yard number

SSPL H07-02

Hull material

Steel

Main engine generators

6x Bergen Rolls-Royce B32:40V12 diesel engines 5.760 kW at 720 rpm

Total: 34.560 kW

Propulsion thruster

2x Stern Azimuth UUC 455 fixed pitch each 5.500 kW

Builder: Kongsberg Maritime Finland OY

Boilers

4x Thermal oil heater, exhaust heated EXV5-38-33-57.0-1000DD

1x Thermal oil heater, oil fired H4-TFO-015

Emergency generator

1x MTU 12V4000 diesel generatorset 1.600 kW

Builder: MTU Friedrichshafen GmbH

Thruster for DP

4x Rolls-Royce UL 305 FP Azimuth thrusters, vertically retractable 3.200 kW

3x Bow

1x Btern

Tunnel thruster

1x Rolls-Royce TT 3,000 bow controllable pitch 2.500 kW

Main deck

Clear deck area: 730 m²

Deck strength: 10,0 t/m²

Pipe deck storage capacity: 2.800 t

DP Systems

K-POS DP Class III Reference Systems:

3x Gyros

3x MRU

4x wind sensors

4x DGPS

2x HiPAP

1x Radius

1x Taut Wire + interfaces for extra Taut Wire

1x Fanbeam

2x Seapath 320 1x SpotTrack

Heli deck

Aluminium - Max diameter: 22,20 m

Tank capacities

HFO: 3.370 m³

Marine gas oil: 2.980 m³

Lub oil: 92 m²

Fresh water: 2.620 m³

Ballast: 41.076 m³

Technical water: 760 m³

Anchor equipment

Length: 742,50 m

Diameter: 97 mm

Main Crane

1x 5.000 t (stability permitting) main deck centreline aft

Dual main hoist, revolving:

4.000 t at 40,00 m radius

1.500 t at 78,00 m radius

Manufacturer: Huisman Equipment BV

Auxiliary Hoist (Subsea Hook):

1.200 t at 70,00 m radius, 4 falls

600 t at 103,00 m radius, 2 falls

Main crane tugger winches

4x 45 t pull. Constant tension up to 22 t each

Auxiliary cranes

40 t Dreggen knuckle boom on starboard side

40 t Dreggen knuckle boom on port side Aft

36 t Huisman PMOC on port side forward

Accommodation

399 persons

Berths: 18 x single - 17x Double- 87 4 man berths

Cabins: 127

Manager

Subsea 7 International Contracting Limited

Louis Pasteurlaan 5

2719 EE Zoetermeer

The Netherlands

Owner

Subsea 7 Shipping Ltd.

Tarland Road

Aberdeen, AB32 6JZ

United Kingdom

Latest data adjustment

16 February 2021