Restroom Floor Drain Requirements
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.
Restroom floor drain requirements. Infrastructure design requirements see page 2 for preferred product specifications. The most immediate service that comes to mind is cleaning. Floor drains make cleaning a restroom much easier because surfaces can be easily washed and rinsed while the water drains from the room. Bathroom layout guidelines and requirements.
Floor trough drains subject to backflow shall be provided with back water valves. 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. Restrooms clean maintain in a sanitary and odor free condition all floors wash mirrors basins toilet bowls and urinals replenish supplies e g.
Size of floor trough drains. 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. The toilet s drain size. Floor drains are typically an aspect of maintenance first and foremost.
However adding floor drains can make any restroom better. Regardless of your plumbing code the minimum drain size for a toilet is 3 inches. If allowed by law a warewashing machine may have a direct connection between its waste outlet and a floor drain when the machine is located within 1 5 m 5 feet of a trapped floor drain and the machine outlet is connected to the inlet side of a properly vented floor drain trap. 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.
If the new bathroom is on the second floor the bathroom s main drain will have to travel through. Some older model toilets flushing over 1 6 gallons per flush are rated at 4 dfus.