Forth Constructor

Vessel Details

Briggs Marine’s versatile Maintenance Support Vessel measures 40 metres in length and boasts DP2 propulsion as well as additional features including a heave compensated crane, a moonpool, a detachable A-frame, a 4-point mooring system, and a survey project office. Additionally, the design incorporates a demountable Crew Transfer Vessel (CTV) boarding ladder to enhance its ability to support offshore windfarm projects.

The DP2 propulsion system and generous deck outfit has been specified and configured for maximum crew safety and uninterrupted service, even in arduous conditions where necessary.

The diesel-electric propulsion offers significant fuel efficiency as well as compliance with the latest emissions standards.

The Forth Constructor will be able to embrace emerging technologies to utilise transitional fuels and offer drop-in battery capacity to allow zero carbon operations in the future.

Specifications

PLEASE NOTE: Spec sheet is for guidance only. For full technical specifications, contact the Vessel Charter Department

General Information

Built	Freire Shipyard 2025
Port of Registry	Leith
Classification	Lloyds Register 100 A1 Anchor Handler/ Diving Support Vessel, LMC, BWTS, EGCN(SCR), UMS, DP(AA), IWS
Length	39.99m
Breadth	12.40m
Max Draught	2.65m
Operational Draught	2.50m
Displacement	875t
Gross Tonnage	636 GT
Max Speed	11kts
Bollard Pull	22.0t
Main Generators	4 x Scania D16 480 kW
Azimuth Thrusters	2 x 640kW Hydromaster Series 6
Bow Thrusters	2 x 315kW Hydromaster Series 4
DP System	DP2 Kongsberg
Working Deck Area	180m²
Max Deck Loading	5t/m²
Deck Cargo Capacity	75 tonnes
Crane	Ferri, AHC, 8t @ 13m
Anchor Winches	2 x Ferri 40t
Windlasses	2 x Ferri 10t
Tow Pins & Forks	2 x Ferri 40t
Moonpool	1.2m x 1.2m
Additional features	4-Point Mooring System Diver & ROV LARS installation fittings Demountable CTV Boarding Ladder Demountable 20t A-Frame
Accommodation	6 crew in single cabins (ensuite) 10 passengers in twin berth cabins (ensuite)

Versatile Design

Optimally configured to support Briggs’ ongoing contracts with UK Government, offshore wind farms and commercial ports, the vessel will primarily undertake inspection, servicing and replacement of Aids to Navigation (AtoN) and heavy inshore moorings in the UK and overseas.

The vessel is also designed to incorporate maximum flexibility for support of other tasks including ROV deployment, survey duties, geotechnical sampling, benthic surveys, diving, subsea investigation, seabed preparation tasks and other marine projects. The vessel can accommodate 10 charterers personnel on a 24hr basis.