This hydro testing procedure document outlines the steps for safely pressure testing pipes, including pre-start meetings, checking equipment and barricades, filling the pipes with water and checking water quality, pressurizing the system while monitoring for pressure changes from temperature, maintaining the target pressure, depressurizing safely, and ensuring constant supervision to prevent incidents such as pipe collapse, rupture, or vacuum collapse within the exclusion zone.

1. Hydro Testing Procedure
Review Toolbox
© LAING O’ROURKE 2014, all rights reserved
B. Cummings (Hydro Testing Supervisor)
M.Sadeghi (Hydro Testing Engineer)
A.Mead (Hydrotesting Quality)

2. - Prestart Meeting
- Checking equipment's , tools
- Checking test boundaries and barricating
- Check gauges and PSV’s
- Water fill and water quality check
- Pressurization
- Monitoring the pressure
- The effect of temperature change in pressure and required actions
- Maintaining the pressure
- Depressurization
- House keeping

3. All PSV’s and Gauges to be checked

4. Constant supervision of the pressure

5. Possible Incidents
• Collapse due to lack of support
• Pipe rupture

6. Possible Incidents
• Pneumatic test

7. Possible Incidents
• Vacuum Collapse

8. Possible Incidents
• Pipe rupture and fall protection
• Exclusion zone