18-29-604.4 Maximum flow and water consumption.

   The maximum water consumption flow rates and quantities for all plumbing fixtures and fixture fittings shall be in accordance with Table 18-29-604.4. Water consumption for urinals listed in the following exceptions shall not be greater than 1.5 gallons (5.7 L) per flushing cycle.

   Exceptions:

      1.   Blowout design fixtures.

      2.   Penalware.

      3.   Clinical sinks.

      4.   Service sinks.

      5.   Emergency showers.

Table 18-29-604.4
Maximum Flow Rates and Consumption for Plumbing Fixtures and Fixture Fittings

Plumbing Fixture or Fixture Fitting	Maximum Flow Rate or Quantity a
Lavatory, private	2.5 gpm at 80 psi
Lavatory, public	0.5 gpm at 80 psi
Lavatory, public, metering or self-closing	0.5 gallons per metering cycle
Shower head	2.5 gpm at 80 psi
Sink faucet	2.5 gpm at 60 psi
Urinal	1.0 gallons per flushing cycle
Water closet	1.6 gallons per flushing cycle

 

For SI: 1 gallon = 3.785 L, 1 gpm = 3.785 L/m, 1 psi = 6.895 kPa

a Consumption tolerances shall be determined from referenced standards