- Provide shade (mature within 5 years of occupancy);
- Use light colored materials with an initial solar reflectance value of at least .30 as determined in accordance with American Society for Testing and Materials (ASTM) Standards E 1918 or C 1549;
- Use open-grid pavement system or pervious or permeable pavement system; or
- Use solar panel arrays to create a canopy shade system.
- Additions having less than 2,000 sq. ft. of new roof area;
- New buildings having a 2" or less water supply and having fixtures and fittings that comply with the maximum flow rate values shown in LAMC Table 99.05.303.2.3.
- Additions and alterations to buildings with fixtures and fittings complying with the maximum flow rate values shown in LAMC Table 99.05.303.2.3. This provision shall apply only to new fixtures.
- Buildings utilizing recycled water in accordance with LAMC Subsection 99.05.305.2.
- Replacement of plumbing fixtures and fittings.
|FIXTURE TYPE||BASELINE FLOW RATE||DURATION||DAILY USES||OCCUPANTS2|
|Showerheads||2.0 gpm @ 80 psi||5 min.||1||X 2a|
|Lavatory Faucets, Non-Residential||0.5 gpm @ 60 psi||.25 min.||3||X|
|Kitchen Faucets||1.8 gpm @ 60 psi||4 min.||1||X 2b|
|Metering Faucets||0.20 gallons/cycle||.25 min.||3||X|
|Water Closets||1.28 gallons/flush||1 flush||1 male 1
|Urinals||0.125 gallons/flush||1 flush||2 male||X|
- The daily use number shall be increased to three if urinals are not installed in the room.
- Refer to Table A, Chapter 4 of the California Plumbing Code, for occupant load factors.
- Shower use by occupants depends on the type of use of a building or portion of a building. For example, the total occupant load for a health club, but only a fraction of the occupants in an office building as determined by the anticipated number of users.
- Kitchen faucet use is determined by the occupant load of the area served by the fixture.
- Use Worksheet WS-1 of the 2016 CALGreen Code to calculate baseline water use.
|FIXTURE TYPE||MAXIMUM ALLOWABLE FLOW RATE|
|0.4 gpm @ 60 psi
|Kitchen Faucets**||1.50 gpm @ 60 psi|
|Metering Faucets||1.8 gpm @ 80 psi|
|Clothes Washers||ENERGY-STAR certified|
*Not required if using nonwater or hybrid urinals throughout the project.
**Kitchen faucets may temporarily increase the flow to 2.2 gpm at 60 psi, and must default to 1.5 gpm at 60 psi. This requirement does not apply to a faucet in commercial kitchens.
When a shower is served by more than one showerhead, the combined flow rate of all showerheads and/or other shower outlets controlled by a single valve shall not exceed 1.8 gallons per minute at 80 psi, or the shower shall be designed to allow only one shower outlet to be in operation at a time.
Note: A hand-held shower shall be considered a showerhead.
- Additions that use any part of the existing plumbing piping system.
- Alterations that do not include replacing all of the potable water piping.
- Where City-recycled water quality has been deemed non-suitable for a particular fixture or equipment, the fixture and/or equipment shall be dual-plumbed for future connection.
- Cooling towers shall have a minimum of 6 cycles of concentration (blowdown); or
- A minimum of 50 percent of makeup water supply shall come from non-potable water sources, including treated backwash.