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Engineering & fabrication

ENGEngineering & ProcurementTechnical review, detailing, constructability, certified procurement and export logistics. STRStructural SteelFabrication and erection of plant structures, pipe racks and access steel. PIPPiping SystemsCarbon and stainless process piping, spool fabrication, tie-ins and testing. MECMechanical InstallationPumps, valves, heat exchangers, conveyors and skids — set, aligned, commissioned. FABFabrication & WeldingPlate supply and profiling, platework, chutes and skids. Coded welding incl. exotic alloys. MNTMaintenance & ShutdownsPlanned shutdowns, turnarounds, structural repairs and breakdown response. PWRPower & Solar PlantsSolar PV, battery storage and power plant construction: engineering drawings, equipment supply and complete build.

Risk & protection

HSEHSE ManagementRisk assessment, HSE files, audits, management systems and site HSE personnel. FPSFire SystemsAssessment, design, installation and maintenance of sprinkler, suppression and detection. ALLAll capabilitiesHow the disciplines work together on one scope.
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PIP · FAB · STR · ENGPiping & structural supply

DHT Plant Supply & Return Lines

Supply and return lines, plates, heavy structural works and support grids, fabricated offsite to WPS and pressure-tested under AIA sign-off before dispatch.

Client
Sasol
Site
DHT Plant
Programme
Within programme
Safety
0 incidents
LOISOLATED · LOCKED · TAGGEDPOSITIVE ISOLATIONBLOCK VALVEVESSELSHUTDOWN ISOLATION · SCHEMATIC
DHT Plant Supply & Return Lines · illustrative drawing
Resultmm

Dimensional accuracy against isometrics

Result0

HSE incidents

ResultWithin

Programme

Redsafe's role

Raw material procurement, workshop isometric drafting and offsite fabrication.

The challenge

Fabricating on a live plant would expose the work to weather delays and hot-work restrictions.

Scope

01Raw material procurement
02Workshop isometric drafting
03Offsite fabrication of plates and heavy structural works
04Process support grids
05Structural pressure testing signed off by the AIA

Solution

Dedicated rigid steel assembly jigs allowed full pre-fabrication under uniform workshop conditions. Structures arrived dimensionally exact against the isometric drawings.

Technical detail

ProceduresWelding Procedure Specifications (WPS)
TestingPressure testing signed off by the AIA before dispatch
MethodRigid assembly jigs, offsite pre-fabrication
DisciplinesPiping Systems · Fabrication & Welding · Structural Steel · Engineering & Procurement
RecordsAIA sign-off logs, Quality Control Packs and client verification records available for procurement review
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