spaces used for laundry or cleaner, restaurant for food service, medical or
dental office, laboratory or beauty salon or barber shop.
2. Where separate submeters for individual building tenants are unfeasible, for
water supplied to the following subsystem:
a. Makeup water for cooling towers where flow through is greater than 500
gpm.
b. Makeup water for evaporative coolers greater than 6 gpm.
c. Steam and hot-water boilers with energy input more than 500,000 Btu/h.
Excess consumption. A separate submeter or metering device shall be provided
for any tenant within a building that is projected to consume more than 1,000
gal/day.
Water conserving plumbing fixtures and fittings. Plumbing fixtures (water
closets and urinals) and fittings (faucets, fountains, and showerheads) shall comply
with the prescriptive reduced flow rates specified in CGC 5.303.3.1 through
5.303.3.4.
Commercial kitchen equipment. Food waste disposers shall either modulate the
use of water to no more than 1 gal/min when disposer is not in use or automatically
shut off after 10 minutes of inactivity per CGC 5.303.4.
Standards for plumbing fixtures and fittings. Plumbing fixtures and fittings shall
meet the applicable standards referenced in Table 1701.1 of the California
Plumbing Code and in Chapter 6 of CGC.
OUTDOOR WATER USE (CGC 5.304)
Outdoor potable water use in landscape areas. Nonresidential developments
shall comply with a local water efficient landscape ordinance or the current
California Department of Water Resources’ Model Water Efficient Landscape
Ordinance (MWELO), whichever is more stringent. 5.304.1
Outdoor potable water use in landscape areas. For public schools and
community colleges, landscape projects as described in Sections 5.304.6.1 and
5.304.6.2 shall comply with the California Department of Water Resources Model
Water Efficient Landscape Ordinance (MWELO) commencing with section 490 of
Chapter 2.7, Division 2, Title 23, California Code of Regulations, except that the
evapotranspiration adjustment factor (ETAF) shall be 0.65 with an additional water
allowance for special landscape areas (SLA) of 0.35 5.304.6
Any project with an aggregate landscape area of 2,500 square feet or less may
comply with the prescriptive measures contained in Appendix D of the MWELO
Newly constructed landscapes. New construction projects with an aggregate
landscape area equal to or greater than 500 square feet. 5.304.6.1
Rehabilitated landscapes. Rehabilitated landscape projects with an aggregate
landscape area equal to or greater than 1,200 square feet. 5.304.2
MATERIAL CONSERVATION AND RESOURCE EFFICIENCY
WEATHER RESISTANCE AND MOISTURE MANAGEMENT (CGC 5.407)
Weather protection. Provide a weather-resistant exterior wall and foundation
envelope as required by California Building Code Section 1402.2 and California
Energy Code Section 150, manufacturer’s installation instructions or local
ordinance, whichever is more stringent.
Moisture control. Employ moisture control measures by the following methods;
Sprinklers. Prevent irrigation spray on structures per CGC 5.407.2.1.
Entries and openings. Design exterior entries and openings to prevent water
intrusion into buildings per CGC 5.407.2.2.
CONSTRUCTION WASTE REDUCTION, DISPOSAL, AND RECYCLING (CGC 5.408)
Construction waste management. Recycle and/or salvage for reuse a minimum of
65% of the nonhazardous construction and demolition waste per CGC 5.408.1
Universal waste. Additions and alterations that meet the scoping provisions in
Section 301.3 shall provide verification that universal waste materials (fluorescent
lamps and ballasts, mercury thermostats) are disposed of properly per CGC 5.408.2
Excavated soil and land clearing debris. 100% of trees, stumps, rocks and
associated vegetation resulting from land clearing shall be reused or recycled. CGC
5.408.3
BUILDING MAINTENANCE AND OPERATION (CGC 5.410)
Recycling by occupants. Provide readily accessible areas that serve the entire
building and are identified for the depositing, storage and collection of
nonhazardous materials (including organic waste) for recycling per CGC 5.410.1.
Commissioning. For new buildings 10,000 square feet and over, building
commissioning for all building systems covered by T24, Part 6, process systems
and renewable energy systems shall be included in the design and construction
processes of the building project. Commissioning requirements shall include items
listed in Section 5.410.2.
Commissioning report. A report of commissioning process activities undertaken
through the design and construction phases of the building project shall be
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