DUCT SYSTEMS
Philadelphia Code § PM-607
in effectSECTION PM-607 DUCT SYSTEMS
PM-607.1 General. Duct systems shall be maintained free of obstructions and shall be capable of performing the required function.
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/0-0-0-271998Fetched: 10/27/2026
