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Traps

NYC Plumbing Code § PC 1103
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Section PC 1103: Traps 1103.1 Main trap. Leaders and storm drains connected to a combined sewer shall be trapped. Individual storm water traps shall be installed on the storm water drain branch serving each conductor, or a single trap shall be installed in the main storm drain just before its connection with the combined building sewer or the public sewer. A hooded catch basin located within the property line shall be the equivalent of a building-house trap for the connection to a public sewer. 1103.2 Material. Storm water traps shall be of an approved material in accordance with Table 1102.7. 1103.3 Size. Traps for individual conductors shall be the same size as the horizontal drain to which they are connected. 1103.4 Cleanout. An accessible cleanout shall be installed on the building side of the trap.
Source: City of New York, Charter, Administrative Code and Rules (American Legal Publishing XML export, codelibrary.amlegal.com)URL: https://codelibrary.amlegal.com/codes/newyorkcity/latest/NYCadmin/0-0-0-163413Fetched: 10/24/2026

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PC 1103 | Corpus