Section A5.304

OUTDOOR WATER USE A5.304.1 Reserved.

A5.304.2 Outdoor water use. For new water service not subject to the provisions of Water Code Section 535, separate meters or submeters shall be installed for indoor and outdoor potable water use for landscaped areas of at least 500 square feet but not more than 1,000 square feet.

A5.304.6 Restoration of areas disturbed by construction. Restore all landscape areas disturbed during construction by planting with local adaptive and/or noninvasive vegetation.

A5.304.7 Previously developed sites. On previously developed or graded sites, restore or protect at least 50 percent of the site area with adaptive and/or noninvasive vegetation. Projects complying with Section A5.106.3, Item 3 may apply vegetated roof surface to this calculation if the roof plants meet the definition of adaptive and noninvasive.

Exception: Area of the building footprint is excluded from the calculation.

A5.304.8 Graywater irrigation system. Install a graywater collection system for onsite subsurface irrigation using graywater collected from bathtubs, showers, bathroom wash basins and laundry water. See California Plumbing Code.

A5.303.3 Appliances and fixtures for commercial applica- tion. Appliances and fixtures shall meet the following:

Clothes washers shall have a maximum Water Factor (WF) that will reduce the use of water by 10 percent below the California Energy Commissions’ WF standards for commercial clothes washers located in Title 20 of the California Code of Regulations.
Dishwashers shall meet the following water use standards:

a. Residential—ENERGY STAR.

i. Standard Dishwashers – 4.25 gallons per cycle.

ii. Compact Dishwashers – 3.5 gallons per cycle.

b. Commercial—Shall be in accordance with

ENERGY STAR requirements. Refer to Table A5.303.3.

Ice makers shall be air cooled.
Food steamers shall be connectionless or boilerless – and shall consume no more than 2 gallons of water per pan per hour, including condensate water, for batch type steamers, and no more than 5 gallons of water per pan per hour, including condensate water, for cook to order steamers.
The use and installation of water softeners that discharge to the community sewer system may be limited or prohibited by local agencies if certain conditions are met.
Combination ovens shall use a maximum of 1.5 gallons of water per hour per pan, including condensate water.
Food waste pulping systems shall use no more than 2 gpm of potable water.

7.1. Note: potable water excludes on-site graywater use, such as dishwasher discharge water. A5.303.4 Water conserving plumbing fixtures and fittings.

A5.303.4.1 Nonwater urinals. Nonwater urinals with drain cleansing action are installed in accordance with the California Plumbing Code .

Where approved, nonwater urinals with drain cleansing action (formerly urinal, hybrids) as defined in Chapter 2, shall be considered waterless urinals.

	TABLE A5.303.3 COMMERCIAL DISHWASHER WATER USE
TYPE	HIGH-TEMPERATURE— MAXIMUM GALLONS PER RACK	LOW-TEMPERATURE— MAXIMUM GALLONS PER RACK
Single Tank Conveyor	0.70 (2.6 L)	≤ 0.79 (3 L)
Multiple Tank Conveyor	≤ 0.54 (2 L)	≤ 0.54 (2 L)
Stationary Single Tank Door	≤ 0.89 (3.4 L)	≤ 1.18 (4.5 L)
Under Counter	≤ 0.86 (3.3 L)	≤ 1.19 (4.5 L)
Pot, Pan and Utensil	≤ 0.58 GPSF	≤ 0.58 GPSF
Single Tank Flight Type	GPH≤ 2.975x + 55.00	GPH≤ 2.975x + 55.00
Multiple Tank Flight Type	GPH≤ 4.96x + 17.00	GPH≤ 4.96x + 17.00

Note: GPSF = gallons per square foot of rack; GPH = gallons per hour; X = square feet of conveyor belt/minute (max conveyor speed sf/min as tested and certified to NSF/ANSI Standard 3)

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APPENDIX A5—NONRESIDENTIAL VOLUNTARY MEASURES