Leak Check Checklist
Leak Check Checklist
Quick Summary
A leak check checklist helps crews verify that plumbing systems are watertight before inspections, occupancy, or project closeout. Finding leaks early prevents property damage, callbacks, wasted labor, and customer complaints. This checklist is useful for plumbers, service technicians, foremen, and project managers working on new installations, repairs, or renovations.
When to Use This Checklist
- After installing water supply piping.
- After completing plumbing fixture installations.
- Before covering walls or ceilings.
- Prior to inspections.
- After plumbing repairs.
- Before customer walkthroughs.
- Before project closeout and turnover.
Before You Start
- Review project drawings and plumbing scope.
- Verify all plumbing connections have been completed.
- Ensure access to all piping, valves, and fixtures being tested.
- Confirm testing equipment is available and functioning properly.
- Verify water service is available if required for testing.
- Notify affected personnel before testing begins.
- Prepare documentation forms and photo records.
Safety Checks
- Verify testing areas are clear of slip hazards.
- Inspect ladders and access equipment before use.
- Ensure personnel know the location of water shutoff valves.
- Keep electrical equipment protected from water exposure.
- Use proper PPE for testing and inspection activities.
- Maintain clear communication during testing procedures.
Tools, Equipment, and Materials
- Pressure testing equipment.
- Pressure gauges.
- Hand tools for adjustments and repairs.
- Flashlight or inspection light.
- Absorbent towels or cleanup supplies.
- Camera or mobile device for documentation.
- Project plans and testing forms.
Leak Check Checklist
- Verify all piping connections are complete.
- Pressurize the system according to project requirements.
- Monitor pressure readings for unexpected drops.
- Inspect visible water supply connections for leaks.
- Check valves, unions, and fittings for signs of moisture.
- Inspect fixture connections and supply lines.
- Check water heater connections where applicable.
- Inspect concealed access panels and service areas.
- Verify drain connections are free of leaks during operation.
- Run fixtures and equipment to confirm proper operation.
- Document any leaks or deficiencies discovered.
- Complete repairs and retest affected areas.
- Verify all corrected leaks remain resolved after retesting.
- Complete final system walkthrough.
Documentation Needed
- Pressure testing records.
- Leak inspection reports.
- Photos of identified leaks and completed repairs.
- Correction and retest records.
- Project punch list documentation.
- Final approval or signoff records.
Common Mistakes to Avoid
- Rushing through inspections without checking every connection.
- Ignoring small drips that may become larger leaks later.
- Failing to document testing results.
- Skipping retesting after repairs are made.
- Overlooking concealed or hard-to-access areas.
- Leaving leak-related punch list items unresolved.
End-of-Day / Final Review
- All plumbing connections have been inspected.
- Required testing has been completed and documented.
- All leaks have been repaired and retested.
- Photos and records have been saved.
- Work areas have been cleaned and dried.
- The plumbing system is ready for inspection, turnover, or occupancy.
Checklist Completion
Project / Job Name
Jobsite / Location
Completed By
Role / Title
Completed Date
Completed Time
Signature
Reviewed / Approved By, if needed
Notes / Follow-Up Items
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