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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-704 DRAINAGE PIPING INSTALLATION
P-704.1 Slope of horizontal drainage piping. Horizontal drainage piping shall be installed in uniform alignment at uniform slopes. The slope of a horizontal drainage pipe shall be not less than that indicated in Table 704.1 except that where the drainage piping is upstream of a grease interceptor, the slope of the piping shall be not less than 1/4 inch per foot (2 percent slope). Building sewer force mains are not permitted.  322
TABLE P-704.1
SLOPE OF HORIZONTAL DRAINAGE PIPE
 
SIZE
(inches)
MINIMUM SLOPE
(inch per foot)
2-1/2 3 or less
1/4a
3 4 to 6
1/8a
8 or larger
1/16a
* * *
P-704.5 Dead ends. In the installation or removal of any part of a drainage system, dead ends shall be prohibited. Cleanout extensions and approved future fixture drainage piping shall not be considered as dead ends.

 

Notes

322
   Amended, Bill No. 230653 (approved December 20, 2023), effective April 1, 2024.

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