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P-1102.1 Above-Ground Venting
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Vent pipes shall be cast iron (hub or hubless), galvanized malleable iron split couplings (victaulic), type DWV copper tubing or heavier, brass, stainless steel (409 type "G" copper-coated), ABS plastic pipe or PVC plastic pipe. The pipe and fittings for each type of pipe including malleable fittings, shall comply with the applicable specifications listed in Section P-305.
Vent pipe exposed to fumes from waste piping carrying corrosive industrial wastes shall be acid-resisting cast iron, chemical porcelain, heat resistant pre-stressed borosilicate glass, polyethylene or polypropylene.
Fittings on ferrous pipe shall be of cast iron or malleable iron. Drainage type fittings shall be required only where vent lines connect to drainage lines.
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