From hydrotest to system turnover, witnessed and signed off.
Independent witnessing and certification of pre-commissioning and commissioning activities for new build and brownfield projects in Oman. From flushing and hydrotest through reinstatement, mechanical completion and ready-for-start-up sign-off — with full documentation packages ready for client and certifier audit.
What we cover.
The complete range of equipment and procedures included in this service line.
Hydrotest Witnessing
Pneumatic & hydrostatic test witnessing
Flushing & Cleaning
Water, air-blow and chemical cleaning oversight
Reinstatement
Post-test reinstatement to operating spec
Punch Listing
Category A/B/C punch-list tracking
Mechanical Completion
MC certification & sign-off
RFSU Packages
Ready-for-start-up turnover dossiers
Codes & standards we work to.
Every report references the applicable code so you can audit every test back to its source.
Other services from GCS.
Most clients combine two or more services for bundled pricing and faster mobilisation.
Commissioning sub-services.
Click through to the dedicated page for each sub-service.