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Commissioning and maintenance manpower

Commissioning and maintenance teams of 50 or 100, on contract.

Petromarsh supplies complete commissioning and maintenance teams for plants, platforms and power projects in the GCC and Europe. We send a team of 50 or 100 people with its own supervisors and engineers, working under your permit system and your schedule. You get one contract, one point of contact and a team that has worked together before.

Request a teamWhatsApp +44 7746 964222
980 MWTenneT 980 MW HVDC platform commissioned at McDermott, Jebel Ali.
What a team can do

From mechanical completion to start-up, shutdowns and site maintenance.

One team covers every stage, so nothing is lost between contractors at handover.

Mechanical completionWalkdowns, punch lists, flushing, pressure testing and reinstatement
Pre-commissioningLoop checks, cable tests, motor runs, instrument calibration and function tests
Commissioning and start-upSystem handover, cause and effect tests, PLC, DCS and SCADA tests, performance runs
Shutdown and turnaroundValve overhaul, heat exchanger and air cooler maintenance, blinding and de-blinding, inspection support
Planned and corrective maintenanceLong-term site crews on a monthly rate
HV and HVDCControl and protection cabinets, power management systems, testing and commissioning
Who is in a team

Supervisors, engineers and technicians, sized to your scope.

  • Commissioning manager and system leads
  • E&I engineers and technicians, instrument technicians
  • Mechanical and piping technicians
  • HV and LV electrical engineers
  • C&I and PLC engineers
  • QA/QC inspectors and HSE officers
  • Document controller for test packs and handover dossiers
50 peopleOne plant area, a substation or a platform module
100 peopleA full plant start-up or a major shutdown
Smaller or largerAsk us. Teams can grow or shrink during the job, and the team mix changes to fit your scope.
How we contract

Four ways to hire a team.

  • Project team: a fixed team for your project, lump sum or day rate.
  • Shutdown crew: shutdown and turnaround crews for a set window.
  • Site maintenance: long-term maintenance on a monthly rate.
  • Secondment: specialist engineers seconded to your own team.
How a job starts

Four steps from scope to handover.

1You send the scope, site and dates2We propose the team, CVs and rates3We mobilise the team with supervisors, tools and test equipment4Daily progress reports, test packs and a handover dossier
Proof

TenneT 980 MW HVDC offshore platform.

At McDermott's yard in Jebel Ali in 2025 and 2026, our engineers tested and commissioned the control and protection cabinets, the Siemens S7-400H controllers and the power management system for TenneT's HVDC platform.

See the project and photos →

Common questions

How fast can you mobilise a team? It depends on team size, site and visas. We confirm a mobilisation date with our team proposal.

Can the team work under our permit system? Yes. Our teams work under your permit to work, site rules and HSE plan.

Do you supply HV and HVDC commissioning engineers? Yes. Our engineers commissioned TenneT's 980 MW HVDC platform.

Can the team size change during the job? Yes. Teams can grow or shrink as the work changes.

Tell us your scope and dates.

We reply with a team plan and rates.

Request a teaminfo@petromarsh.com