The floor trough drain outlet pipe shall not be less than two inches in nominal diameter.
Restroom floor drain requirements.
Floor drains make cleaning a restroom much easier because surfaces can be easily washed and rinsed while the water drains from the room.
Some older model toilets flushing over 1 6 gallons per flush are rated at 4 dfus.
Floor drains are typically an aspect of maintenance first and foremost.
Soap towels seat covers toilet tissue and sanitary napkins.
Floor trough drains subject to backflow shall be provided with back water valves.
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.
Regardless of your plumbing code the minimum drain size for a toilet is 3 inches.
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.
The most immediate service that comes to mind is cleaning.
Size of floor trough drains.
However adding floor drains can make any restroom better.
Bathroom layout guidelines and 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.
Water closet s flushing 1 6 gallons or less are rated at 3 dfus drainage fixture units.
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.
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.