§ 99.11 — Los Angeles Building Code

SEC. 99.11.101. SCOPE.¶

(Amended by Ord. No. 187,719, Eff. 1/23/23.)

Appendix A4 of the California Green Building Standards Code (CALGreen) is adopted by reference with the following exceptions: CALGreen Section A4.105.2, A4.106.7, Table A4.106.8.3.1, Table A4.106.8.3.2, A4.305.2, A4.403.1, A4.404.1, A4.405.2, A4.405.4, A4.407.1, A4.407.3, A4.407.4, A4.407.5, A4.407.7, A4.602, and Table A4.106.5.1(1) are not adopted; and in lieu, LAMC Sections 99.11.102 and 99.11.602, and Subsections A4.105.2, A4.106.7, A4.405.2, A4.405.4, A4.407.1, A4.407.7, A4.602, and Tables A4.106.5.1(1), A4.106.5.1(2), A4.106.5.1(3), and A4.106.5.1(4) are added or amended as provided in this article.

SEC. 99.11.102. GENERAL.¶

(Amended by Ord. No. 187,719, Eff. 1/23/23.)

This section shall set forth the Residential Voluntary Measures.

A4.105.2. Reuse of Materials. Use salvaged, refurbished or reused materials for a minimum of 2.5% of the total value, based on estimated cost of materials on the project. Materials which can be easily reused include but are not limited to the following:

Light fixtures;
Plumbing fixtures;
Doors and trim;
Masonry (reused masonry may only be used for flatwork);
Electrical devices;
Appliances;
Foundations or portions of foundations.

Note: Reused material must be in compliance with the appropriate California Code of Regulations Title 24 requirements. (Amended by Ord. No. 185,587, Eff. 7/16/18.)

TABLE A4.106.5.1(1)

TIER 1 – LOW RISE RESIDENTIAL

ROOF SLOPE	MINIMUM 3-YEAR AGED SOLAR REFLECTANCE	THERMAL EMITTANCE	3-YEAR AGED SRI
≤ 2 : 12	0.68	0.85	82
> 2 : 12	0.28	0.85	27

TABLE A4.106.5.1(2)

TIER 2 – LOW-RISE RESIDENTIAL

ROOF SLOPE	MINIMUM 3-YEAR AGED SOLAR REFLECTANCE	THERMAL EMITTANCE	3-YEAR AGED SRI
≤ 2 : 12	0.70	0.85	85
> 2 : 12	0.34	0.85	35

TABLE A4.106.5.1(3)

TIER 1 – HIGH-RISE RESIDENTIAL BUILDINGS, HOTELS, AND MOTELS

ROOF SLOPE	MINIMUM 3-YEAR AGED SOLAR	THERMAL	3-YEAR AGED SRI
	REFLECTANCE	EMITTANCE
≤ 2 : 12	0.68	0.85	82
> 2 : 12	0.28	0.85	27

TABLE A4.106.5.1(4)

TIER 2 – HIGH-RISE RESIDENTIAL BUILDINGS, HOTELS, AND MOTELS

ROOF SLOPE	MINIMUM 3-YEAR AGED SOLAR	THERMAL	3-YEAR AGED SRI
	REFLECTANCE	EMITTANCE
≤ 2 : 12	0.70	0.85	85
> 2 : 12	0.34	0.85	35

A4.106.7. Reduction of Heat Island Effect for Nonroof Areas [N]. (Added by Ord. No. 187,208, Eff. 11/5/21.) Reduce nonroof heat islands for 75% of pathways, patios, driveways, or other paved areas by using one or more of the methods listed.

Use trees or other plantings to provide shade and that mature within 15 years of planting. Trees shall be suitable in mature size and environmental requirements for the site. Tree selection and placement shall consider location and size of areas to be shaded, location of utilities, views from the structure, distance to sidewalks and foundations, overhangs onto adjacent properties and streets, and other infrastructure adjacent to landscaping. In addition, shading shall not cast a shadow, as specified, on any neighboring solar collectors pursuant to Public Resources Code Section 25981, et seq. (Solar Shade Control Act);
Use high albedo materials with an initial solar reflectance value of at least .30 as determined in accordance with American Society for Testing and Materials (ASTM) Standards E1918 or C1549;
Use open grid pavement system or pervious or permeable pavement system;
Use solar panel arrays to create a canopy shade system; or
Other methods of reducing heat island effects acceptable to the Department.

A4.405.2. Concrete Floors. 75% of all slab-on-grade and structural concrete slab floors that do not require additional coverings are used including but not limited to stained, natural or stamped concrete floors.

Note: Uncovered floors must still remain durable and maintain any acoustical insulation required elsewhere by the Los Angeles Municipal Code.

A4.405.4. Use of Building Materials from Rapidly Renewable Sources. One or more of the following materials manufactured from rapidly renewable sources or agricultural by-products is used for a minimum of 2.5% of the total value, based on estimated cost of materials on the project:

Insulation;
Bamboo or cork;
Engineered products;
Agricultural based products;
Other products acceptable to the enforcing Department.

Note: The intent of this section is to utilize building materials and products which are typically harvested within a 10-year or shorter cycle.

A4.407.1. Drainage Around Foundations. Where not required by code or ordinance, install foundation and landscape drains which discharge to a dry well, sump, bioswale or other approved on-site location.

A4.407.7. Roof Overhangs. When permitted by the Los Angeles Municipal Code, a permanent overhang or non-retractable awning at least 2 feet in depth is provided at all exterior walls.

SEC. 99.11.602.

(Amended by Ord. No. 187,719, Eff. 1/23/23.)

Section A4.602 of the CALGreen Code is adopted with amendments to read as follows:

TABLE A4.602

RESIDENTIAL OCCUPANCIES APPLICATION CHECKLIST

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FEATURE OR MEASURE		LEVELS			VERIFICATION	S
	APPLICA Mandatory	NT TO SELECT E MEASURES Prerequi	LECTIVE sites and	ENFORCI VER Enforcing	NG AGENCY TO IFICATION ME Installer or	SPECIFY THOD Third
		electi	ves ¹	Agency ____	Designer ____	Party
		Tier 1	Tier 2	All	All	____ All
FEATURE OR MEASURE	APPLICA	LEVELS NT TO SELECT E MEASURES	LECTIVE	ENFORCI VER	VERIFICATION NG AGENCY TO IFICATION ME	S SPECIFY THOD
	Mandatory	Prerequi electi	sites and ves ¹	Enforcing Agency ____	Installer or Designer ____	Third Party
						____
		Tier 1	Tier 2	All	All	All
PLANNING AND DESIGN
Site Selection
A4.103.1A site which complies with at least one of the following characteristics is selected: 1. An infill site is selected. 2. A greyfield site is selected.
3. An EPA-recognized Brownfield site is selected.
A4.103.2Facilitate community connectivity by one of the following methods: 1. Locate project within a 1/4-mile true walking distance of at least 4 basic services; 2. Locate project within 1/2-mile true walking distance of at least 7 basic services; 3. Other methods increasing access to additional resources.
Site Preservation
A4.104.1An individual with oversight responsibility for the project has participated in an educational program promoting environmentally friendly design or development and has provided training or
instruction to appropriate entities.
Deconstruction and Reuse of Existing Materials
A4.105.2Existing buildings are disassembled for reuse or recycling of building materials. The proposed structure utilizes at least one of the following materials which can be easily reused: 1. Light fixtures 2. Plumbing fixtures 3. Doors and trim 4. Masonry (reused for flatwork) 5. Electrical devices 6 Ali
. ppances 7. Foundations or portions of foundations
Site Development
4.106.2A plan is developed and implemented to	X
manage storm water drainage during construction.
4.106.3Construction plans shall indicate how site grading or a drainage system will manage all surface water flows to keep water from entering buildings.	X
4.106.4.1Provide capability for electric vehicle charging in one- and two-family dwellings and in townhouses with attached private garages in accordance with Section 4.106.4.1.	X
4.106.4.2Provide capability for electric vehicle charging for multi-family dwellings and	X

hotels/motels in accordance with Sections 4.106.4.2.1 or 4.106.4.2.2 as applicable.
4.106.4.3Provide capability for electric vehicle charging for existing parking lots or new parking lots for existing residential buildings in accordance with Section 4.106.4.3 as applicable.	X
4.106.5Roofing materials shall have a minimum 3- year aged solar reflectance and thermal emittance or a minimum 3-year aged Solar Reflectance Index (SRI) equal to or greater than the values specified in LAMC Table 4.106.5.	X
4.106.7Reduce nonroof heat islands for 25% of sidewalks, patios, driveways or other paved areas by using one or more of the methods listed.	X
A4.106.1Reserved.
A4.106.2.1Soil analysis is performed by a licensed design professional and the findings utilized in the structural design of the building.
A4.106.2.2Soil disturbance and erosion are minimized by at least one of the following: 1. Natural drainage patterns are evaluated and erosion controls are implemented to minimize erosion during construction and after occupancy. 2. Site access is accomplished by minimizing the amount of cut and fill needed to install access roads and driveways. 3. Underground construction activities are coordinated to utilize the same trench, minimize the amount of time the disturbed soil is exposed and the soil is replaced using accepted
compaction methods.
A4.106.2.3Topsoil shall be protected or saved for reuse as specified in this section. Tier 1. Displaced topsoil shall be stockpiled for reuse in a designated area and covered or protected		X²	X²
from erosion. Tier 2. The construction area shall be identified and delineated by fencing or flagging to limit construction activity to the construction area.			X²
A4.106.3Post-construction landscape designs accomplish one or more of the following: 1. Areas disrupted during construction are restored to be consistent with native vegetation species and patterns. 2. Utilize at least 75% native California or drought tolerant plant and tree species appropriate for the climate zone region.
A4.106.4Permeable paving is utilized for the parking, walking or patio surfaces in compliance with the following: Tier 1. Not less than 20% of the total parking, walking or patio surfaces shall be permeable. Tier 2. Not less than 30% of the total parking, walking or patio surfaces shall be permeable.		X²	X²
A4.106.5Roofing materials shall have a minimum 3-year aged solar reflectance and thermal emittance or a minimum Solar Reflectance Index (SRI) equal to or greater than the values specified in LAMC Tables A4.106.5.1(1) and A4.106.5.1(2) for low-rise residential buildings and LAMC Tables A4.106.5.1(3) and A4.106.5.1(4) for high-rise residential buildings. Low-Rise Residential Tier 1 roof covering shall meet or exceed the values contained in LAMC Table A4.106.5.1(1). Tier 2 roof covering shall meet or exceed the values contained in LAMC Table A4.106.5.1(2). High-Rise Residential, Hotels and Motels Tier 1 roof covering shall meet or exceed the values contained in LAMC Table A4.106.5.1(3).		X² X²	X²

Tier 2 roof covering shall meet or exceed the values contained in LAMC Table A4.106.5.1(4).		X²
A4.106.6Install a vegetated roof for at least 50% of the roof area. Vegetated roofs shall comply with requirements for roof gardens and landscaped roofs in the_California Building Code_, Chapters 15 and 16.
A4.106.7Reduce nonroof heat islands for 50% of sidewalks, patios, driveways or other paved areas by
using one or more of the methods listed.
A4.106.8.1Tier 1 and Tier 2 for one- and two-family dwellings and townhouses with attached private garages. Install a dedicated 208/240-volt branch circuit, including an overcurrent protective device	X²	X²
rated at 40 amperes minimum per dwelling unit.
A4.106.8.2Provide capability for future electric vehicle charging in new multi-family dwellings, hotels and motels, as specified. Tier 1. 35 percent of the total number of parking spaces shall be electric vehicle (EV ready) with low power Level 2 EV charging receptacles. For projects with 20 or more dwelling units, sleeping units or guest rooms, 10 percent of the total number of parking spaces shall be equipped with Level 2 EVSE. Tier 2. 40 percent of the total parking spaces shall be electric vehicle (EV ready) with low power Level 2 EV charging receptacles. For projects with 20 or more dwelling units, sleeping units or guest rooms, 15 percent of the total number of parking spaces shall be equipped with Level 2 EVSE. See LAMC Subdivision 99.04.106.4.2 for additional requirements related to EVCS for multi-family dwellings and "R" occupancies other than one- and	X²	X²
two-family dwellings.
A4.106.9Provide bicycle parking facilities as noted below or meet a local ordinance, whichever is more stringent. Number of bicycle parking spaces may be reduced, as approved by the enforcing agency, due to building site characteristics, including but not limited to, isolation from other development. 1. Provide short-term bicycle parking, per CALGreen Section A4.106.9.1. 2. Provide long-term bicycle parking for multi- family buildings, per CALGreen Section A4.106.9.2. 3. Provide long-term bicycle parking for hotel and motel buildings, per CALGreen Section A4.106.9.3.
A4.106.10 [HR]Outdoor lighting systems shall be designed and installed to comply with: 1. The minimum requirements in the_California_ _Energy Code_for Lighting Zones 1-4; and 2. Backlight, Uplight and Glare (BUG) ratings as defined in IES TM-15-11; and 3. Allowable BUG ratings not exceeding those shown in CALGreen Table A4.106.10; or
Comply with a lawfully enacted local ordinance,
whichever is more stringent.
Innovative Concepts and Local Environmental Conditions
A4.108.1Items in this section are necessary to
address innovative concepts or local environmental conditions. Item 1 Item 2
Item 3
ENERGY EFFICIENCY
General
4.201.1Building meets or exceeds the requirements of the_California Building Energy Efficiency_	X X²	X²

Standards.³
Performance Approach for Newly Constructed Buildings
A4.203.1.1Hourly Source Energy Rating (EDR1). EDR1 ratings for building design shall be computed by Energy Compliant software and shall reduce the EDR1 required by the software by the compliance margins specified in Table A4.203.1.1.	X² X²
A4.203.1.2Prerequisite options. In addition, a minimum of two of the efficiency measures specified in Sections A4.203.1.2.1 through A4.203.1.2.8 will be required to be met. • Roof deck insulation or ducts in conditioned space. • High-performance walls. • Compact hot water distribution system. • Drain water heat recovery. • High performance vertical fenestration. • Heat pump water heater demand management. • Battery storage system controls. • Heat pump space and water heating.	X² X²
A4.203.1.3Consultation with local electric service provider. Local jurisdictions considering adoption of reduced EDR targets based on using solar photovoltaic (PV) systems larger than required by the_California Energy Code_shall consult with the local electric service provider to ensure that that PV system sizing required to comply with the EDR targets will be acceptable to the local electric service provider.	X²
Performance Approach for Additions
A4.204.1.1Tier 1. If only one mechanical system is added or modified, the Energy Budget is no greater than 95% of the Title 24, Part 6, Energy Budget for the Standard Design Building. If two or more mechanical systems are added or modified, the Energy Budget is no greater than 90% of the Title 24, Part 6, Energy Budget for the Standard Design Building.	X²
A4.204.1.2Tier 2. If only one mechanical system is added or modified, the Energy Budget is no greater than 90% of the Title 24, Part 6, Energy Budget for the Standard Design Building. If two or more mechanical systems are added or modified, the Energy Budget is no greater than 85% of the Title 24, Part 6, Energy Budget for the Standard Design Building.	X²
Renewable Energy
4.211.4Buildings shall comply with the following: 1. All one- and two-family dwellings shall comply with Section 110.10(b)1A, 110.10(b)2, 110.10(b)3, 110.10(b)4, 110.10(c), 110.10(d) and 110.10(e) of the_California Energy Code_(Title 24, Part 6). 2. All buildings, other than one- and two-family dwellings, shall comply with Section 110.10(b) through 110.10(d) of the_California Energy Code_	X
(Title 24, Part 6).
WATER EFFICIENCY AND CONSERVATION
Indoor Water Use
4.303.1Plumbing fixtures (water closets and urinals) and fittings (faucets and showerheads) installed in residential buildings shall comply with the prescriptive requirements of CALGreen Sections 4.303.1.1 through 4.303.1.4.4.	X
4.303.2Plumbing fixtures and fittings required in CALGreen Section 4.303.1 shall be installed in accordance with the_California Plumbing Code_, and shall meet the applicable referenced standards.	X

4.303.3Multi-family dwellings not exceeding three	X
stories and containing 50 units or less shall install a separate meter or sub-meter within each individual dwelling unit and within common areas, such as recreation and laundry rooms.
4.303.4A 20% reduction in the overall use of potable water within the building shall be provided, as specified.	X
A4.303.1Kitchen faucets. The maximum flow rate of kitchen faucets shall not exceed 1.5 gallons per minute at 60 psi. Kitchen faucets may temporarily increase the flow above the maximum rate, but not to exceed 2.2 gallons per minute at 60 psi, and must default to a maximum flow rate of 1.5 gallons per minute at 60 psi. Note:Where complying faucets are available, aerators or other means may be used to achieve reduction.
A4.303.2Alternate water source for nonpotable applications. Alternate nonpotable water sources are used for indoor potable water reduction. Alternate nonpotable water sources shall be installed in accordance with the_California Plumbing Code_.
A4.303.3Install at least one qualified ENERGY
STAR dishwasher or clothes washer.
A4.303.4Nonwater urinals or waterless toilets are installed.
A4.303.5Hot water recirculation systems. One- and two-family dwellings shall be equipped with a demand hot water recirculation system, as defined in Chapter 2 of this Code. The demand hot water recirculation system shall be installed in accordance with the_California Plumbing Code_,California Energy Code, and the manufacturer's installation instructions.
Outdoor Water Use
4.304.1After December 1, 2015, new residential developments with an aggregate landscape area equal to or greater than 500 square feet shall comply with one of the following options: 1. A local water efficient landscape ordinance or the current California Department of Water Resources' Model Water Efficient Landscape Ordinance (MWELO), whichever is more stringent; or 2. Projects with aggregate landscape areas less than 2,500 square feet may comply with the MWELO's Appendix D Prescriptive Compliance Option.	X
4.304.3A landscape water meter provided by the City of Los Angeles Department of Water and Power shall be installed for landscape irrigation.	X
43044Lk hll b illd ll blil	X
..ocs sa e nstae on a pucy accessible exterior faucets and hose bibs.
4.304.5For one- and two-family dwellings, any permanently installed outdoor in-ground swimming pool or spa shall be equipped with a cover having a	X
manual or power-operated reel system.

Standards.³
A43041Rainwater catchment sstems An
..y. approved rainwater catchment system is designed and installed to use rainwater generated by at least 65% of the available roof area. Rainwater catchment systems shall be designed and installed in
accordance with the_California Plumbing Code_.
A4.304.2Potable water elimination. When landscaping is provided and as allowed by local ordinance, a water efficient landscape irrigation design that eliminates the use of potable water

beyond the initial requirements for plant installation and establishment should be provided Methods used
. to accomplish the requirements of this section must be designed to the requirements of the_California_ _Building Standards Code_and shall include, but not be limited to, the following: 1. Use of captured rainwater. 2. Use of recycled water. 3. Water treated for irrigation purposes and conveyed by a water district or public entity. 4. Use of graywater.
A4.304.3For new water service connections, landscaped irrigated areas less than 5,000 square feet shall be provided with separate sub-meters or
metering devices for outdoor potable water use.
WATER REUSE SYSTEMS
4.305.1Waste piping shall be arranged to permit the discharge from the clothes washer, bathtub, showers, and bathroom/restroom wash basins to be used for a future graywater irrigation system.	X
4.305.2When City-recycled water is available for use within 200 feet of the property line, 100% of water for water closets, urinals, floor drains, and process cooling and heating in that building shall come from City-recycled water.	X
4.305.3Cooling towers shall comply with LAMC Section 99.04.305.3.1 or 99.04.305.3.2.	X
4.305.4Where groundwater is being extracted and discharged, a system for onsite reuse of the groundwater shall be developed and constructed.	X
A4.305.1Graywater. Alternative plumbing piping installed to permit the discharge from the clothes washer or other fixtures and used for irrigation in
compliance with the Los Angeles Plumbing Code.
A4.305.2Recycled water piping is installed.
A4.305.3Recycled water is used for landscape
irrigation.
Innovative Concepts and Local Environmental
Conditions
A4.306.1Items in this section are necessary to
address innovative concepts or local environmental
conditions. Item 1 Item 2
Item 3
MATERIAL CONSERVATION AND
RESOURCE EFFICIENCY
Foundation Systems
A4.403.2Cement use in foundation mix design is
reduced.
Tier 1. Not less than a 20% reduction in cement use.		X²
Tier 2. Not less than a 25% reduction in cement use.		X²
Efficient Framing Techniques
A4.404.1Beams and headers and trimmers are the
minimum size to adequately support the load.
A4.404.2Building dimensions and layouts are
designed to minimize waste.
A4.404.3Use premanufactured building systems to
eliminate solid sawn lumber whenever possible.
A4.404.4Material lists are included in the plans
which specify material quantity and provide direction for on-site cuts.
Material Sources
A4.405.1One or more of the following building
materials, that do not require additional resources for finishing are used:

1. Exterior trim not requiring paint or stain. 2 Windows not requiring paint or stain
. . 3. Siding or exterior wall coverings which do not require paint or stain.
A4.405.2Floors that do not require additional coverings are used including but not limited to stained, natural or stamped concrete floors.
A4.405.3Post-consumer or pre-consumer recycled content value (RCV) materials are used on the project. Tier 1. Not less than a 10% recycled content value.		X²
Tier 2. Not less than a 15% recycled content value.			X²
A4.405.4Renewable source building products are used.
Enhanced Durability and Reduced Maintenance
4.406.1Annular spaces around pipes, electric cables, conduits or other openings in plates at exterior walls shall be protected against the passage of rodents by closing such openings with cement mortar, concrete masonry or similar method acceptable to the	X
enforcing agency.
Water Resistance and Moisture Management
4.407.3Provide flashing details on the building plans and comply with accepted industry standards or manufacturer's instructions.	X
4.407.4Protect building materials delivered to the construction site from rain and other sources of	X
moisture.
A4.407.1Install foundation and landscape drains.
A4.407.2Install gutter and downspout systems to route water at least 5 feet away from the foundation or connect to landscape drains which discharge to a dry well, sump, bioswale, rainwater capture system or other approved on-site location.
A4.407.6Exterior doors to the dwelling are
protected to prevent water intrusion.
A4.407.7A permanent overhang or awning at least 2
feet in depth is provided.
Construction Waste Reduction, Disposal and
Recycling
4.408.1Comply with Section 66.32 et seq. of the	X
Los Angeles Municipal Code.
A4.408.1Construction waste generated at the site is diverted to recycle or salvage in compliance with one of the following:
1. Tier 1 at least a 65% reduction. Any mixed recyclables that are sent to mixed-waste recycling facilities shall include a qualified third party verified facility average diversion rate. Verification of diversion rates shall meet minimum certification eligibility guidelines, acceptable to the local enforcing agency. 2. Tier 2 at least a 75% reduction with a third- party verification.		X²	X²
Exception:Equivalent waste reduction methods are developed by working with local agencies.
Building Maintenance and Operation
4.410.1An operation and maintenance manual shall	X
be provided to the building occupant or owner.
4.410.2Where 5 or more multi-family dwelling units are constructed on a building site, provide readily accessible areas that serve all buildings on the site and is identified for the depositing, storage and collection of non-hazardous materials for recycling, including (at a minimum) paper, corrugated cardboard, glass, plastics, organic waste, and metals or meet a lawfully enacted local	X

recycling ordinance, if more restrictive. See exception for rural jurisdictions.
Innovative Concepts and Local Environmental
Conditions
A4.411.1Items in this section are necessary to address innovative concepts or local environmental conditions. Item 1 Item 2
Item 3
ENVIRONMENTAL QUALITY
Fireplaces
4.503.1Any installed gas fireplace shall be a direct- vent sealed-combustion type. Any installed woodstove or pellet stove shall comply with U.S. EPA New Source Performance Standards (NSPS) emission limits as applicable, and shall have a permanent label indicating they are certified to meet the emission limits. Woodstoves, pellet stoves and fireplaces shall also comply with applicable local ordinances.	X
Pollutant Control
4.504.1Duct openings and other related air distribution component openings shall be covered during construction.	X
4.504.2.1Adhesives, sealants and caulks shall be compliant with VOC and other toxic compound limits	X
4.504.2.2Paints, stains and other coatings shall be compliant with VOC limits.	X
4.504.2.3Aerosol paints and coatings shall be compliant with product weighted MIR limits for ROC and other toxic compounds.	X
4.504.2.4Documentation shall be provided to verify that compliant VOC limit finish materials have been used.	X
4.504.3Carpet and carpet systems shall be compliant with VOC limits.	X
4.504.480% of floor area receiving resilient flooring shall comply with specified VOC criteria.
4.504.5Particleboard, medium density fiberboard (MDF) and hardwood plywood used in interior finish systems shall comply with low formaldehyde	X
emission standards.
A4.504.1Use composite wood products made with either California Air Resources Board approved no- added formaldehyde (NAF) resins or ultra-low emitting formaldehyde (ULEF) resins.
A4.504.2Install VOC compliant resilient flooring
systems. Tier 1. At least 90% of the resilient flooring installed shall comply. Tier 2. At least 100% of the resilient flooring installed shall comply.		X²	X²
A4.504.3Thermal insulation installed in the building shall meet the following requirements: Tier 1. Install thermal insulation in compliance with VOC limits.. Tier 2. Install insulation which contains No-Added		X²	X²
Formaldehyde (NAF) and is in compliance with Tier 1.
Interior Moisture Control
4.505.2Vapor retarder and capillary break is	X

1. Exterior trim not requiring paint or stain. 2 Windows not requiring paint or stain
installed at slab-on-grade foundations.
4.505.3Moisture content of building materials used in wall and floor framing is checked before enclosure.	X

Indoor Air Quality and Exhaust
4.506.1Return air filters with a value greater than MERV 6 shall be installed on HVAC systems. Pressure drop across the filter shall not exceed 0.1 inches water column.
A4.506.2 [HR]Provide filters on return air openings rated MERV 6 or higher during construction when it is necessary to use HVAC equipment.
A4.506.3Direct-vent appliances shall be used when equipment is located in conditioned space; or the equipment must be installed in an isolated mechanical room.
Environmental Comfort
4.507.2.Duct systems are sized, designed, and equipment is selected using the following methods: 1. Establish heat loss and heat gain values according to ANSI/ACCA 2 Manual J-2011 or equivalent. 2. Size duct systems according to ANSI/ACCA 1 Manual D-2014 or equivalent. 3. Select heating and cooling equipment according to ANSI/ACCA 3 Manual S-2014 or equivalent.	X
Outdoor Air QualityReserved
Innovative Concepts and Local Environmental Conditions
A4.509.1Items in this section are necessary to address innovative concepts or local environmental conditions. Item 1 Item 2 Item 3
Installer and Special Inspector Qualifications
Qualifications
702.1HVAC system installers are trained and certified in the proper installation of HVAC systems.	X
702.2Special inspectors employed by the enforcing agency must be qualified and able to demonstrate competence in the discipline they are inspecting.	X
Verifications
703.1Verification of compliance with this code may include construction documents, plans, specifications, builder or installer certification, inspection reports, or other methods acceptable to the enforcing agency which show substantial conformance.	X

Green building measures listed in this table may be mandatory if adopted by a city, county, or city and county as specified in CALGreen Section 101.7.
Required prerequisite for this Tier.
These measures are currently required elsewhere in statute or in regulation.

DIVISION 12

APPENDIX A5 NONRESIDENTIAL VOLUNTARY MEASURES

(Amended by Ord. No. 182,849, Eff. 1/3/14.)

Section 99.12.101 Scope. 99.12.508