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TRAPS

Philadelphia Code Subcode P, § 1103
in effect
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SECTION 1103 TRAPS P-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 single hooded catch basin located within the property line shall be the equivalent of a building (house) trap for the connection to a street combined sewer. Leaders and storm drains connected to a building storm sewer shall not be required to be trapped. * * * P-1103.4 Cleanout. A cleanout shall be installed on the building side of the trap and shall be provided with access. A cleanout or a building storm sewer house trap shall be required on a dedicated storm sewer system where the building storm sewer connects at the curb. * * *
Source: City of Philadelphia, The Philadelphia Code and Home Rule Charter (American Legal Publishing, codelibrary.amlegal.com)URL: https://codelibrary.amlegal.com/codes/philadelphia/latest/philadelphia_pa/0-0-0-312349Fetched: 10/27/2026

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1103 | Corpus