Ride the Storm: Navigating Through Unstable Periods / Katerina Rudko (Belka G...
Test procedure preliminary v2
1. Test Procedure Preliminary
1. Identify the type of valve.
2. Record specific data for inspection
report.
3. Determine the direction of flow.
4. Number the test cocks.
5. Assemble the test adapters and
blow out any debris.
6. Request permission to shut off the
water supply - (or let them do it!)
IMPORTANT all valves are tested in a
NO FLOW condition.
7. Shut off the downstream water isolator,
(wait 10 seconds if testing an R. P. Z. D).
Then shut off the upstream isolator.
8. Clean line strainer and flush through.
9. Re-open the upstream isolator.
10. Connect the test kit.