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Search results with tag "Waste pipe"
248 CMR 10 - Massachusetts
www.mass.govSep 28, 2017 · drain connection shall be provided in conformance with the following: ... (11) Principle No. 11 - Need for Venting in the Plumbing System. Vent terminals shall extend to the outer air above the roof line and be installed to prohibit the possibility of vent obstruction ... between the outlet of a waste pipe and the flood level rim of the ...