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Thank you James, Richard and Mark for useful information and thoughts. ------------------------------ Gregory Shvartsman President IGS Consulting- NY/NJ Plumbing and Fire Protection Design Optimization, QC, VE. igsplumbingeng@gmail.com ------------- ...

Daryn, I can't respond to the code implications, but with that said, I don't like the Sika detail attached with your question. 1. I don't like the position of the insulation above the drainage composite matt above the adhered membrane. If the storm water ...

Good morning Jeremy --=-- While I am not replying to answer your exact question, I can give some insights on trap primers. The 3PSI drop work best when another fixture is not in close proximity to a fixture. The further away the fixture, the less drop ...