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A pipe that passes through a foundation wall shall be provided with a relieving arch, or a pipe sleeve shall be built into the foundation wall. The sleeve shall be two pipe sizes greater than the pipe passing through the wall.

Related Code Sections

305.3 General Regulations, Pipes Through Foundation Walls
Any pipe that passes through a foundation wall shall be provided with a relieving arch, or a pipe sleeve pipe shall be built into the foundation wall ...
P2603.4 General Plumbing Requirements, Pipes Through Foundation Walls
A pipe that passes through a foundation wall shall be provided with a relieving arch, or a pipe sleeve shall be built into the foundation wall. The ...
P2603.4 General Plumbing Requirements, Pipes Through Foundation Walls
A pipe that passes through a foundation wall shall be provided with a relieving arch, or a pipe sleeve shall be built into the foundation wall. The ...