Subsea 8” Replacement Pipeline & Valve Protection Structure

Gas Injection Project – Fabrication of Steel Structures

We provided a turnkey solution of design support, fabrication, sea freight packaging and assisted with installation on more than 100,000 kg of structural steel. The structure was fabricated into 650+ individual components allowing it to be shipped from the UK to Chad for successful installation.

15m x 12m 140Te Gas Export Plem Structure

Complete build, coat, outfit and test Gas Export PLEM structure c/w 10” diameter tie in spools

Horizontal Pipe Lay System

Complete build and installation onto vessel of Horizontal Lay System and ancillary equipment.

150Te Valve Skid Structure

Complete build, test and delivery to vessel of Valve Skid & Tie in Spools.

8Te Boat Landing Ladder

Complete fabrication of 14m long ladder structure with grouting & friction clamps.  Walkway structure also fabricated to tie in to existing deck structure. For decommissioning project.

Chemical Mixing Plant & Wash Stations

Design support, fabrication & installation of more than 40Te of structural steel, in excess of 7km of piping. Majority stainless steel 316L. This was achieved with No Onsite Welding (NOW).

24” Pipeline Replacement

24” diameter concrete coated tie in spools. Fabricated from 1” thick high strength carbon steel.  

J-Tube and Bell Mouth

Completed and delivered for a project in Australia.

Lednock Dam Dispersal Valve Refurbishment

Dispersal Valve Removal, Refurbishment and Replacement. Drain Valve Removal, Refurbishment and Replacement. Compensation Valve Removal and Replacement with new Valve. NDT of Scour Pipe. Blasting and Painting of Scour Pipe. Offsite and Onsite Testing / Commissioning.

Lochay Intake Screens and Screen Cleaner Replacement

Design and manufacture new Intake Screen Structure. Design and Manufacture Stoplogs. Removal of the existing Intake Structure. Installation of new Intake Structure. Installation of new Automatic Screen Cleaning System. Installation of Fencing and Access Systems. Testing and commissioning of refurbish struts.

Pitlochry North Drum Gate Strut Gear Refurbishment

Design and manufacture sub-frame to support 157 ton drum gate. Installation of support frame and jacking system. Removal of load from existing strut system. Dismantle and refurbishment of strutting system. Installation of refurbished components. Testing and commissioning of refurbish struts. Removal of sub frame.

Stanley Mills Intake Screens and Screen Cleaner Replacement

Design and manufacture new Intake Screen Structure. Removal of the existing Intake Structure. Installation of new Intake Structure. Installation of new Automatic Screen Cleaning System structure. Refurbish and Install Screen Cleaner System. Installation of New Access Systems. Testing and commissioning of refurbish struts.

150Te Tensioner Build

The build consisted of the following: Base frame, 2 x Upper Segments, 2 x Lower Segments. Total weight of the unit 34Te. All electrical and hydraulic brackets were fitted on site, which allowed the unit to go direct to coating thus saving time & costs to the client.

Subsea Tie In Spools

Fabricate, coat and test 2”, 4”, 6” and 12” diameter 22% Cr Duplex tie in spools and strongbacks

12m x 14m Subsea Control Manifold

Complete build, outfitting, test and delivery to vessel of Subsea Control Manifold and Tie-in Spools.

12Te Shears Support Frame

Milling of connection plates on 12Te Shears Support Frame using horizontal borer.

65 Metre 42″ Riser Caisson

Complete build, test and delivery to vessel of 42″ Riser Caisson & Hang off Clamps.

54 Metre 30″ Riser Caisson

Complete build and delivery to vessel of 30” riser caisson & hang off clamps.

LB200 Pipelay Barge Upgrade

Prefabricate and install pipework for engine room upgrade. Weld on new pipe ramp stinger jacking rails.