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PHILADELPHIA HOME RULE CHARTER
THE PHILADELPHIA CODE
TITLE 1. GENERAL PROVISIONS
TITLE 2. CITY-COUNTY CONSOLIDATION
TITLE 3. AIR MANAGEMENT CODE
TITLE 4. THE PHILADELPHIA BUILDING CONSTRUCTION AND OCCUPANCY CODE
TITLE 4.1. ELECTRICAL CODE
TITLE 4.2. PROPERTY MAINTENANCE CODE
TITLE 5. FIRE PREVENTION CODE
TITLE 6. HEALTH CODE
TITLE 7. HOUSING CODE
TITLE 8. PLUMBING CODE
TITLE 9. REGULATION OF BUSINESSES, TRADES AND PROFESSIONS
TITLE 10. REGULATION OF INDIVIDUAL CONDUCT AND ACTIVITY
TITLE 11. STREETS
TITLE 12. TRAFFIC CODE
TITLE 13. WATER AND SEWER
TITLE 14. ZONING AND PLANNING
TITLE 15. PARKS AND RECREATION
TITLE 16. PUBLIC PROPERTY
TITLE 17. CONTRACTS AND PROCUREMENT
TITLE 18. COMMERCE
TITLE 19. FINANCE, TAXES AND COLLECTIONS
TITLE 20. OFFICERS AND EMPLOYEES
TITLE 21. MISCELLANEOUS
TITLE 22. PUBLIC EMPLOYEES RETIREMENT CODE
SECTION P-1114 SUSTAINABLE GREEN ROOF DRAINAGE SYSTEMS
P-1114.1 General. A green roof drainage system receiving storm water discharge solely from a green roof shall be engineered in accordance with this Section and the design, submittal, approval, inspection and testing requirements of Section 316.1.
P-1114.2 Green Roof design. Green roof designs shall comply with Section 1101.7. Support for the weight of the green roof system shall be accounted for in the building structural design and prepared by a licensed design professional for all new building construction and alterations or retrofits to existing structures.
P-1114.2.1 Green roof rainfall rates. The green roof drainage system shall be designed based on the reduced rainfall rate in accordance with Section 1106.1 only where approved through the Philadelphia Water Department and satisfy the design, installation and maintenance requirements set forth by the Philadelphia Water Department and, if applicable, the City of Philadelphia Zoning Code.  330.3
P-1114.3 Green Roof Drains. Roof drains serving green roofs shall conform to requirements of Chapter 11 and be protected with a means to prevent sediment and debris from entering the storm drainage piping system, including provisions for roof drain access for general maintenance.

 

Notes

330.3
   Amended, Bill No. 230653 (approved December 20, 2023), effective April 1, 2024.

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