Div. B › Part 3 › 3.2 › 3.2.3 — Spatial Separation and Exposure Protection

3.2.3.21 — Service Lines under Buildings

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(1) A building shall not be constructed over an existing buried flammable gas main unless the gas main is encased in a gas-tight conduit in conformance with CAN/CSA-Z662, “Oil and Gas Pipeline Systems”.
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