saliba11
Mechanical
- Sep 7, 2006
- 29
Hello all,
we have cs, 10", preinsulated, underground piping. It is a hot water drainage pipe.
Is it required holiday testing before backfilling. For drainage piping is this holiday testing mandatory
thanks in advance
saliba
we have cs, 10", preinsulated, underground piping. It is a hot water drainage pipe.
Is it required holiday testing before backfilling. For drainage piping is this holiday testing mandatory
thanks in advance
saliba