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Alex, I agree; soil, in general, would be corrosive to metallic piping materials. Some soils may be more aggressive than others, but all will be corrosive to such materials. As for unions, no ground joint union should ever be located in an inaccessible ...

Alex, I just looked quickly in UpCodes, and it appears that IPC 2018 does appear to have basically the same verbage as the UPC version: I looked at both codes without amendments, and unless I'm missing something, they appear to be basically the same ...

Joseph, Yes, the literature implied that the warranty would be voided if you worked outside of the stated parameters. Hence, when they suggested that the pressure be raised to 28" wc, the team requested that they put it in writing and be signed by a ...