Piping systems are the arteries of process facilities, carrying fluids under pressure and temperature extremes. Piping inspection ensures system integrity, preventing leaks that can cause safety incidents, environmental releases, or production losses.
Piping Fabrication Inspections
Material Verification
- Material test certificates review
- Positive material identification
- Dimensional verification
- Surface condition assessment
Weld Joint Preparation
- Bevel angle and root face
- Root gap measurement
- Fit-up verification
- Joint cleanliness
Welding Inspections
Pre-Weld
- Welder qualification for procedure
- WPS availability and compliance
- Consumable verification
- Preheat requirements
Visual Weld Inspection
- Weld profile and reinforcement
- Undercut measurement
- Porosity and inclusions
- Crack detection
- Arc strikes identification
Pressure Testing
Hydrostatic Testing
- Test pack boundary verification
- Isolation and venting provisions
- Test pressure calculation
- Hold time verification
- Visual inspection for leaks
Post-Test Activities
- System draining and drying
- Reinstatement verification
- Gasket replacement where required
- Flange torquing to specification
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