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.

Boat Landing Ladder

Complete fabrication of 14m long ladder structure c/w 2 No. 600 o/d Grouting clamps & 1 No. 1400 O/d friction clamp. In addition to this a large walkway structure was required to tie in the new ladder to existing deck structure. Total weight of new ladder 8Te

Chemical Mixing Plant & Wash Stations

Dales provided design support, fabrication & installation of more than 40 tonne of structural steel, in excess of 7000 meters of piping majority stainless steel 316L, tanks, pumps, valves and various mechanical auxiliaries, 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.  

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 components; 1 x Base frame, 2 x Upper Segments, 2 x Lower Segments. With the total weight of the unit being 34te. All electrical and hydraulic brackets for the build were fitted on site, this in turn allowed the unit to go direct to coating thus saving time and reducing 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.