Div. B › Part 7 › 7.5 › 7.5.6 — Arrangement of Vent Pipes

7.5.6.1 — Drainage of Vent Pipes

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(1) Every vent pipe shall be installed without depression in which moisture can collect.

(2) Every waste pipe shall be installed and back vented at the same time.

OBC Definitions

Defined terms on this page

vent pipe

means a pipe that is part of a venting system.

waste pipe

means a sanitary drainage pipe that carries the discharge from a fixture directly to a waste stack, soil stack, sanitary building drain, branch or sewage system.

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