The used of P&ID is very limited udring the mechncal completion. The
blinding of the piping system can best be plan using the PI&D - to
generate the blind list and ensure that such blinds are removed
after the test - but not as part of the punch list. Basically one
would rely with iso's, insulation sched and pipe support drawing
issued for construction to ensure the the system as erected comply
with the spec and costruction drawing.
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