InspectionPlumbing
Backflow Prevention Testing Checklist
Protect potable water supplies with our comprehensive backflow prevention testing checklist. Covers RPZ, double check, and pressure vacuum breaker assemblies.
Free Template
Overview
This backflow prevention testing checklist ensures proper testing and certification of backflow prevention assemblies. Annual testing is required by most municipalities to protect drinking water from contamination and maintain compliance with water safety regulations.
Key Benefits
Complete Checklist
Pre-Test Inspection
- Verify assembly type and size
- Record manufacturer and model number
- Check serial number and location
- Inspect for physical damage
- Verify proper installation height
- Check for leaks or corrosion
- Inspect test cocks operation
- Verify shutoff valves present
- Check air gap if applicable
- Document previous test results
RPZ Assembly Testing
- Test check valve #1 pressure drop
- Test check valve #2 pressure drop
- Test relief valve opening point
- Verify relief valve discharge
- Check for check valve leakage
- Test relief valve resealing
- Verify minimum differential pressure
- Check for fouling or debris
- Test under full flow conditions
- Document all pressure readings
Double Check Valve Testing
- Test check valve #1 closure
- Test check valve #2 closure
- Verify minimum 1 psi differential
- Check for check valve leakage
- Test valve tightness
- Verify proper valve seating
- Check for debris in checks
- Test shutoff valve operation
- Verify proper installation
- Record pressure measurements
Pressure Vacuum Breaker
- Test air inlet valve opening
- Check check valve closure
- Verify proper installation height
- Test under pressure conditions
- Check for check valve leakage
- Inspect air inlet screen
- Verify check valve seating
- Test air inlet valve spring
- Check for freeze damage
- Verify 12-inch minimum elevation
Test Equipment and Calibration
- Verify test kit calibration date
- Check gauge accuracy
- Inspect test hoses for damage
- Verify bleeder valve operation
- Check high and low side gauges
- Inspect test cock adapters
- Verify proper gauge ranges
- Check for air leaks in kit
- Record test kit serial number
- Document calibration certificates
Documentation and Reporting
- Complete test report form
- Record all pressure readings
- Document pass or fail status
- Note any repairs needed
- Photograph assembly and tags
- Submit report to water authority
- Provide copy to property owner
- Update testing database
- Schedule next annual test
- Issue compliance certificate if passed
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