b31.1 hydro test
b31.1 hydro test
(OP)
we have a small system, rated @ 150 psi, 6" cs , under B31.1 examination req'd visual only, the contractor did not provide third party visual , the owner suggested 100% RT , to reduce cost and time does B31.1 provide for a Hydro. test @ 1.5 as a means of meeting B31.1 .





RE: b31.1 hydro test