SECTION P-413 FLOOR AND TRENCH DRAINS
* * *
P-413.3 Size of floor drains and trench drains. Floor drains, emergency floor drains, and trench drains shall have a drain outlet not less than 2 3 inches (51 76 mm) in diameter. Note: An adjustable repair coupling shall be permitted to connect underground piping to a floor drain or trench drain.  313.6
Exception: Floor drains serving one and two-family dwellings shall have a drain outlet not less than 2 inches (51 mm).
* * *

 

Notes

313.6
   Amended, Bill No. 230653 (approved December 20, 2023), effective April 1, 2024.