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Underground Fire Protection mainline

Question asked by mizo1745 on Nov 14, 2018
Latest reply on Nov 22, 2018 by nocivus


I would like to ask about using the UPVC pipe, class 5 as an underground fire protection mainline, I knew that UPVC pipe is not listed in NFPA13 & 24, so what are the potential risks in case I used it? or it is prohibited basically to use UPVC pipe?

many thanks for your response