907.1 Drainage Stack.

San Francisco Building Inspection Commission Codes · 2022 edition · ingested 2026-07-08 · San Francisco

907.1 Drainage Stack. Each drainage stack that extends [ ← ] six (6) or more stories shall be served by a parallel vent stack, which shall extend undiminished in size from its upper terminal and connect to the drainage stack at or immediately below the lowest fixture drain.

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