Independent Service
Independent, objective oversight across scope, schedule, cost, quality, and HSE to ensure facilities are delivered as promised
Lead
Independent, objective oversight across scope, schedule, cost, quality, and HSE to ensure facilities are delivered as promised and compliant with standards and regulations.
Our Service
We act as your third-line check, validating designs, plans, and execution in parallel with EPC/EPCM delivery. Our assurance prevents late surprises, de-risks start-up, and protects CAPEX/OPEX.
Scope
Stage-Gate Reviews: concept, FEED, detailed design, construction, commissioning
Design & Readiness Audits: constructability, operability, maintainability, spares & reliability
Controls & Risk: schedule realism, cost baselines, risk registers, change control, trending
Quality & Vendor: QA/QC audits, welding/NDE, coating, materials traceability, document control
Verification & Tests: FAT/SAT witnessing, performance tests, systems completion checks
Compliance: alignment with API/ASME/ISO/IEC and local regulatory requirements
Why Mainstream Limited?
Truly independent viewpoint, pragmatic and actionable findings, clear governance and communication cadence, and dashboards tailored for decision-makers.