I am reviewing a building under construction for a client, specifically the wet sprinkler system installation.
There was a problem where the installer left caps off the pipe both on pipe being stored and pipe installed at the ceiling. My client stated concerns about debris falling into the pipe due to other trades doing work in the area and requested that the sprinkler installer perform corrective measures, they proposed using compressed air to blow out the pipe.
The client wants them to provide some type of justification, industry standard or NFPA guidance that says this is an acceptable means.
I looked in NFPA 13 and NFPA 25 and only found how to deal with in-service systems that have obstructions.
Has anyone dealt with a similar situation or know what the industry standards are for cleaning out pipe during the construction phase?
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