// CODE SNIPPET
P-1102.2 Underground Venting
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Underground vent pipe shall be of cast iron or copper tube of a weight not less than type "L" hard temper. All underground vent piping installed parallel to a foundation wall shall be at least 3 feet from the building foundation wall when the depth does not exceed 4 feet. One foot of additional distance from the foundation wall shall be required for each additional one-foot depth below 4 feet.
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