Plumbing · IPC 2021 §704.1 / §708.1.1 / §903.1.1 / §904.4 / §905.2 / §906.2

DWV Riser Diagram

Schematic DWV riser: soil stack, stack vent, vent stack tied in at the base, branch vents graded to drain back, cleanouts, and the Table 704.1 minimum drain slopes (1/4, 1/8, 1/16 in per ft).. Referenced to IPC 2021 §704.1 / §708.1.1 / §903.1.1 / §904.4 / §905.2 / §906.2.

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