Restroom Floor Drain Requirements

Regardless of your plumbing code the minimum drain size for a toilet is 3 inches.

Restroom floor drain requirements.

Soap towels seat covers toilet tissue and sanitary napkins. Some older model toilets flushing over 1 6 gallons per flush are rated at 4 dfus. Geberit floor drain hdpe d 75 mm code a horizontal wet venting leap of faith a horizontal wet venting leap of faith floor drain for the laundry room bat bathroom layout up to code garage floor drain ideas time tested technology askthebuilderlaundry room floor drain what you should know firstlaundry room floor drain what you read more. The most immediate service that comes to mind is cleaning.

Floor drains are typically an aspect of maintenance first and foremost. 2014 fbc building 5 th edition 4 special detailed requirements based on use and occupancy 453 state requirements for educational facilities 453 16 plumbing 453 16 9 kitchens 453 16 9 2 floor drains. The toilet s drain size. Restrooms clean maintain in a sanitary and odor free condition all floors wash mirrors basins toilet bowls and urinals replenish supplies e g.

If the new bathroom is on the second floor the bathroom s main drain will have to travel through. The floor trough drain outlet pipe shall not be less than two inches in nominal diameter. Floor drains make cleaning a restroom much easier because surfaces can be easily washed and rinsed while the water drains from the room. Floor trough drains shall be of a size to serve efficiently the square foot floor area to be served or the purpose for which they are intended.

Water closet s flushing 1 6 gallons or less are rated at 3 dfus drainage fixture units. Floor trough drains subject to backflow shall be provided with back water valves. Choosing materials these plans call for 3 inch diameter pvc pipe for the main drain and the short length leading from the toilet to the drain and 2 inch pvc for the other drain lines and the vents. 2006 upc 411 2 1 requires floor drains in toilet rooms containing two or more water closets or a combination of one water closet and one urinal except in a dwelling unit i don t have a copy of the ipc handy so i m not sure of it s requirements.

Infrastructure design requirements see page 2 for preferred product specifications. However adding floor drains can make any restroom better.