§ 21-46. Performance requirements.  


Latest version.
  • All new and/or replacement water closets, urinals, faucets, and showerheads shall meet the following standards for water flow or discharge rate:

    (1)

    Faucets (lavatory). All lavatory faucets and replacement aerators shall be designed, manufactured, installed or equipped with a flow control device or aerator which will not allow a water flow rate in excess of 2.2 gallons per minute, when tested at a maximum of of 60 psi (flowing) in accordance with ASME/ANSI A112.18.1.

    (2)

    Faucets (other). All kitchen, bar, and other commercial sink faucets and replacement aerators shall be designed, manufactured, installed or equipped with a flow control device or aerator which will not allow a water flow rate in excess of 2.2 gallons per minute, when tested at a maximum of 60 psi (flowing) in accordance with ASME/ANSI A112.18.1.

    (3)

    Faucets (public restrooms). All lavatory faucets located in restrooms in any public building shall be of the hands-free, metering, or self-closing type and shall not allow a water flow rate in excess of 0.5 gallons per minute, when tested at a maximum of 60 psi (flowing) in accordance with ASME/ANSI A112.18.1.

    (4)

    Showerheads. All showerheads shall be designed, manufactured, and installed with a flow limitation device which will not allow a water flow rate in excess of 2.75 gallons per minute, when tested at a maximum of 60 psi (flowing) in accordance with ASME/ANSI A112.18.1. The flow limitation device must be a permanent and integral part of the showerhead and must not be removable to allow flow rates in excess of 2.75 gallons per minute.

    (5)

    Urinals. Urinals shall be designed, manufactured and installed so the average maximum flush will not exceed 1.0 gallons of water, and otherwise perform in accordance with ASME/ANSI A112.19.2 and A112.19.6. Adjustable type flushometer valves may be used provided they are adjusted so the maximum flush will not exceed 1.0 gallon of water.

    (6)

    Water closets. All water closets, including two (2) piece closed coupled and flushometer valve types, shall be designed, manufactured, and installed so the average maximum flush will not exceed 1.6 gallons of water, and otherwise perform in accordance with ASME/ANSI A112.19.2 and A112.19.6.

(Ord. No. 98-21, § 1(1-6), 7-7-1998)