New Green Building Code Chapter 4 Residential Application · New Green Building Code Chapter 4 Residential Application ... § Voluntary measures ... safety and general welfare of
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Presenter
Marc Cohen, AIA, LEED AP BD+C/ID+C, LEED FacultyDirector of Sustainable DesignMVE Institutional, Inc.mcohen@mve-institutional.com
Today’s Agenda
§ CALGreen – What is it?
§ A review of key sections§ Residential§ Voluntary measures§ Tiers Process
California Code of RegulationsTITLE 1. GENERAL PROVISIONSTITLE 2. ADMINISTRATIONTITLE 3. FOOD AND AGRICULTURETITLE 4. BUSINESS REGULATIONSTITLE 5. EDUCATION-------
TITLE 24. BUILDING STANDARDS CODE
Title 24: 2010 California Building Standards Code (effective January 1, 2011)
Part 1 – California Administrative CodePart 2 – California Building CodePart 2.5 – California Residential CodePart 3 – California Electrical CodePart 4 – California Mechanical CodePart 5 – California Plumbing CodePart 6 – California Energy CodePart 7 – VacantPart 8 – California Historical Building CodePart 9 – California Fire CodePart 10 – California Existing Building Code
Part 11 – California Green Building Standards CodePart 12 – California Referenced Standards Code
§ Chapter 1 - Administration
§ Chapter 2 - Definitions
§ Chapter 3 - Green Building
California Green Building Standards Code
§ Chapter 4 - Residential Mandatory Measures
§ Chapter 5 - Nonresidential Mandatory Measures
§ Chapter 6 - Reference Organizations and Standards
§ Chapter 7 - Installer and Special Inspector Qualifications
§ Chapter 8 - Compliance Forms and Worksheets
California Green Building Standards Code
§ Appendix A4 – Residential § Voluntary measures§ Tiers, Electives & Checklists
California Green Building Standards Code
Chapter 1 - Administration§ (101.1) Title-California Green Building Standards Code
§ CAL Green§ (101.2) Purpose
§ Reduce negative impact§ Encourage sustainable construction
§ (101.3) Scope§ Mandatory only for New Construction§ Buildings covered – state-owned, low-rise residential (up
to 3 stories), nonresidential/commercial, public elementary & secondary schools, community colleges, hospitals,
§ Not intended to be identified as meeting the requirements of a point rated system
Chapter 1 - Administration§ (101.4) Appendices (Tiers)
§ Voluntary measures§ Mandatory when adopted by local jurisdiction
§ (101.5) Referenced codes and standards § CBC§ CRC§ CEC§ CMC§ CPC§ CFC§ Energy
Chapter 1, continued
§ (101.6) Order of precedence and use.§ Building standard vs. local amendment
§ Local amendment shall govern§ Green code vs. building standards
§ Most restrictive governs§ Specific provision vs. general provision
§ Specific shall govern
Chapter 1, continued
§ (101.7) Local amendments based on findings§ Climate – Topography – Geology – Environmental
§ (101.8) Alternate Materials and Methods§ Case by case basis§ Complies with the intent and equivalent
§ (101.9) Effective date – January 1, 2011
Chapter 1, continued
§ (101.9) Effective date – January 1, 2011§ (101.11) Effective use of the code
§ Type of occupancy§ Which state agency has authority§ Which chapter applies§ Review adoption tables§ Adopted tiers§ Application checklist
Chapter 1, continued
• (102) Construction Documents & Installation Verification• Plan check submittal per city standards• Verification documentation
§ (104) State Agency Authorities§ Department of Community Development (HCD),
residential
Chapter 2 – Definitions
§ If used in more than one location in the code a defined term will be located in Chapter 2.
§ If only used in one chapter the defined term will be located in the definition section at the beginning of that chapter.
Chapter 2 – Definitions
§ Low Rise Residential Building - a building that is of Occupancy Group “R” and is three stories or less, or that is one- or two-family dwelling or townhouse.
§ Note: check with local jurisdiction for amendment
Chapter 3 - Green Building§ Newly constructed buildings
§ Mixed Occupancy Buildings –live/work occupancy
§ Residential occ. comply with Chapter 4
§ Non-residential occ. Comply with Chapter 5
§ Phased Projects
§ Initial tenant/occupancy
§ Voluntary Tiers§ Tier 1 and Tier 2
Chapter 3 - Green Building§ Live/work unit
§ Defined in the CBC
§ Permitted to use the CRC
§ Application of CALGreen
§ CALGreen applies to the initial tenant
• State Housing LawThe SHL was enacted to protect the health, safety and general welfare of the public and occupants of dwelling units in the State of California. Under this authority, HCD promulgates building standards and regulations to ensure that hotels, motel, apartments, single-family dwellings, and other residential buildings are constructed and maintained in compliance with the model building codes and other provisions of State law.
California Department of Housing and Community Development
California Department of Housing and Community Development
HCD AuthorityHotels, MotelsApartment HousesDwellingsLodging HousesHomeless SheltersMonasteries, ConventsEmployee HousingFactory-Built Housing
Five Divisions
§ Division 4.1 - Planning and Design
§ Division 4.2 - Energy Efficiency
§ Division 4.3 - Water Efficiency and Conservation
§ Division 4.4 - Material Conservation and Resource Efficiency
§ Division 4.5 - Environmental Quality
Chapter 4 - Residential Mandatory Measures
§ 4.106.2 – Storm water drainage and retention
§ Identified objectives of storm water management
§ Prevent flooding of adjacent property
§ Prevent storm water pollution runoff from entering storm drain system
§ Retaining soil on-site
§ Prevent runoff from entering streams or rivers.
4.106 – Site Development
Chapter 4
§ Less than one acre outside the scope of the California State Water Resources Control Board (SWRCB).
§ Establishes criteria for a plan to manage storm water drainage during construction.
§ Create an effective combination of erosion and sediment controls
§ BMP’s continually evolve as onsite activities change
4.106.2 - Storm water drainage and retentionduring construction
Chapter 4
How to comply§ Retention basin sized and
shown on the site plan.
§ Filtering storm water and routing to a public drainage system.
§ Compliance with local storm water ordinance.
§ Develop & implement additional BMP’s
4.106.2 - Storm water drainage and retention
Chapter 4
Types of BMP’s methods § Silt fencing
§ Hay bales/mulch
§ Erosion control matting
§ Inlet protectors
§ Sand/gravel bags
§ Fiber rolls/wattles
4.106.2 - Storm water drainage and retention
Chapter 4
§ Prevent surface from entering the building
§ Requires planning of the surface drainage system that will serve the site.
§ Requires the construction plans to indicate how surface drainage will be managed.
4.106.3 Surface Drainage
Chapter 4
How to comply§ Drainage system is shown on site plan.
§ Swales
§ Drain piping
§ Retention areas
§ Ground water recharge
4.106.3 Surface Drainage
Chapter 4
Design strategies§ Roof overhangs
§ Sloped ground
§ Properly placed drains
§ Above & below ground drain systems
4.106.3 Surface Drainage
Chapter 4
Site drainage plans§ Rainwater penetrating area
§ Above ground
§ Below ground
§ Natural environment
4.106.3 Surface Drainage
Chapter 4
4.201.1 - Minimum Energy Performance for Low-Rise Residential Buildings.
§ The California Energy Commission (CEC) adopts regulations to establish the minimum level of energy efficiency that a heated or cooled structure must meet or exceed.
Chapter 4
4.201.1 - Energy Efficiency
How to comply§ Prescriptive Method
§ Performance Method
§ Tiers
§ Performance calculation can show percentages above minimum
Chapter 4
4.201.1 - Energy Efficiency
Chapter 4
CEC Table 100A•Mandatory•Prescriptive•Performance
Performance•Micropas 8.1•Energypro 5.1
4.303.1 - 20% Water savings
§ Requires a 20% reduction of indoor water use
§ Mandatory effective date is July 1, 2011
§ Manufacture fixture availability
§ Provides a prescriptive and performance method
§ Water closets, urinals, faucets and showerheads
§ Submitted at plan check
Chapter 4
4.303.1 - 20% Indoor water savings
Toilets
• Standard 1.6 gals
• 20% reduction 1.28 gals
• Types
• Single flush
• Dual flush
• 2 flushes= 1.0 gal/flush
• 1 flush = 1.6 gal/flush
Chapter 4
4.303.1 - 20% Indoor water savings
Urinals
• Standard 1.0 gals
• 20% reduction .5 gals (50%)
• New standards
• 0.125 gal/flush
• 0.0 flow
Chapter 4
4.303.1 - 20% Indoor water savings
Showerhead
• Standard 2.5 gpm @ 80psi
• 20% reduction 2.0 gpm @ 80psi
• 0.5 gpm to 1.6 gpm showerheads are available
• Flow rates higher than 2.0 gpm require performance method
Chapter 4
4.303.1 - 20% Indoor water savings
Lavatory Faucets
• Standard 2.2 gpm @ 60psi
• 20% reduction 1.5 gpm @ 60psi
• May not be less than 0.8 gpm @ 20psi
• If faucet has higher flow rate, performance method
Chapter 4
4.303.1 - 20% Indoor water savings
How to comply method #1Prescriptive Method
§ Table 4.303.2
§ Showerheads ≤ 2.0 gpm @ 80 psi
§ Lavatory Faucets ≤ 1.5 gpm @ 60 psi
§ Min. flow 0.8 gpm @ 20psi
§ Kitchen Faucets ≤ 1.8 gpm @ 60 psi
§ Urinals ≤ .5 gal/flush
§ Water closets ≤ 1.28 gallon effective flush rate
Chapter 4
4.303.1 - 20% Indoor water savingsCompliance and verification§ Plan check submittal doc§ Field verification§ City inspection§ Third party§Self certification
Chapter 4
4.303.1 20% - Indoor water savingsHow to comply method #2Performance Method
§ Use the performance calculation worksheets in Chapter 8 or other calculation acceptable to the enforcing agency.
§ Fixtures used in performance calculation are limited.
§ Water closets
§ Urinals
§ Lavatory Faucets
§ Showerheads
Chapter 4
4.303.1 - 20% Indoor water savings
Chapter 4
Performance methodCalculate baseline water use§WS -1§Comply with footnotes for table 4.303.1
4.303.1 20% - Indoor water savings/performance
Develop baseline water use
Chapter 4
Example: declaration of no urinals
4.303.2 - Multiple Showerheads Serving One Shower
§When using the prescriptive method, the sum of multiple showerheads shall not exceed the flow rate specified in Table 4.303.2.
§When using the performance method, the maximum flow rate for each shower head shall not exceed 2.5 gpm @ 80 psi.
Chapter 4
4.303.2 - Multiple Showerheads Serving One Shower
§When single shower fixtures are served by more than one showerhead, the combined flow rate of all showerheads shall not exceed the maximum flow rates specified in the 20% reduction column contained in Table 4.303.2
§The shower shall be designed to only allow one showerhead to be in operation at a time
Chapter 4
4.303.1 - 20% Indoor water savingsCompliance and verification§ Plan check submittal doc§ Field verification§ City inspection§ Third party§Self certification
Chapter 4
4.303.3 Plumbing Fixtures and Fittings
§Specifies acceptable performance standards for plumbing fixtures with reduced water usage.
Chapter 4
4.303.3 - Plumbing Fixtures and Fittings
How to comply§Install a fixture that meets the standards listed in Table 4.303.3.
§Obtain alternate approval from the enforcing agency for use of fixtures not listed.
Chapter 4
4.304.1 - Irrigation Controllers
§Requires smart irrigation controls to be weather- or soil moisture-based and automatically adjust irrigation in response to changes in plants' needs as weather conditions change, or have rain sensors or communication systems that account for local rainfall.
Chapter 4
4.304.1 - Irrigation Controllers
Compliance conditions§ When provided by builder, installed at final
§Smart irrigation control system
§Automatically delay watering
§Types are communication-based, soil moisture or plan watering needs
Chapter 4
4.304.1 - Irrigation Controllers
How to comply§Established during the design phase
§Evaluate land topography
§Soil type
§Water availability and pressure
§Plan type
§Climate conditions
Chapter 4
4.304.1 - Irrigation Controllers
Model Landscape Ordinance (MLO)§Calif. Department of Water Resources
§Effective date January 1, 2010
§Mandate cities to adopt local MLO ordinance
§Promote efficient water use
§Promote the values of efficient landscape design
§Local ord. can be more restrictive than state
Chapter 4
4.406.1 - Joints and Openings
§Condition from un-condition area§Annular spaces
§Gas, plumbing§Electrical§Other necessary penetrations
§Comply with CEC requirements§Exceptions
Chapter 4
4.406.1 - Joints and Openings
How to comply§Use metal plates or covers.
§Use cementitious material to seal opening.
§Other methods approved by the enforcing agency.
Chapter 4
4.408.1 through 4.408.2.2 - Construction Waste Reduction, Disposal and Recycling
§Requires at least of 50% of nonhazardous construction and demolition debris to be recycled and/or salvaged for reuse
§Compliance with a local waste ordinance which is more stringent.
§Exceptions:§Soil and land clearing debris are exempt.
§Alternate methods or exceptions may be approved due to local constraints.
Chapter 4
4.408.1 Construction waste reduction
Purpose/methods§Divert materials from the landfill
§Calculating methods
§Weight
§Volume
§Not both
Chapter 4
4.408.1 through 4.408.2.2
How to comply§Comply with local waste management ordinance
OR
§Develop a waste management plan and submit for approval to the enforcing agency.
§Provide documentation of compliance.§HCD is developing additional forms.
§Sample forms are provided in Chapter 8.
Chapter 4
4.408.1 Construction waste reduction
Considerations§Local authority approved hauler
§Location site of recycler
§Method of recycling, onsite sorting or commingling
§Recycler has a good track record
§Subcontractors are on board for compliance
§Tags are collected and recorded
§Self hauling, when authorized
Chapter 4
4.408.2 Construction waste management plan
Local jurisdiction without ordinance§Approved hauler or self hauler
§Provide locations for recycler
§Develop sorting methods, onsite or offsite
§Demo contractor has good record of compliance
§Compliance by all trades
§Maintain accurate records
§Reused materials approved by the Building Official
Chapter 4
4.408.1 through 4.408.2.2
Chapter 4
What is Green Halo?• Online waste management system
• Waste diversion reporting and tracking.
• Accurate information and data
• Streamlines the entire waste diversion process.
• Interactive software between contractors, recyclers, state and local government agencies.
www.greenhalosystems.com
4.410.1 - Building Maintenance and Operation
Operation & Maintenance Manual
§Requires educational materials, operation and maintenance manuals are provided to ensure buildings and equipment are properly maintained.
§Other information such as landscape design and maintenance, public transportation options, recycle opportunities, special inspection reports, and energy incentive programs.
Chapter 4
4.410.1 - Building Maintenance and Operation
Chapter 4
Manual contents:•Manual to remain with the building for the cycle of the structure•Operation and maintenance instructions:
•Equipment and appliances•Roof and yard drainage•Space conditioning system•Landscape and irrigation plans•Water reuse system•Warranties•Sub-contractors name and phone numbers
4.410.1 - Building Maintenance and Operation
Chapter 4
Manual contents:•Local utility and recycling programs•Public transportation•Advantages of maintaining 30% to 60% humidity•Information about water conserving landscape•Maintaining gutters and downspouts •Diverting water at least 5 feet away•Maintenance for caulking, painting, and etc•Info about solar energy & incentive programs•Copy of special inspections & verifications
4.410.1 - Building Maintenance and Operation
How to comply§Develop a manual and place it in the home at the time of final inspection.
§“Manual shall remain with the building for the life cycle of the structure
§Media shall be approved by the enforcing agency.
§Paper, electronic, or web base
§HCD is developing a sample standard format for the manual.
Chapter 4
4.410.1 - Building Maintenance and Operation
Chapter 4
State provided format:
http://www.hcd.ca.gov/CALGreen.html
4.503.1 - Fireplaces
Requires gas fireplaces to be direct-vent, wood and pellet stoves to comply with EPA limits or comply with a local ordinance, whichever is more prohibitive.
Chapter 4
4.503.1 - Fireplaces
How to comply§Install direct vent gas fireplaces.
§Install a pellet or wood stove which meets US EPA Phase II emission standards.
§Comply with local ordinance.
Chapter 4
4.503.1 - Fireplaces
Direct vent fireplace§Pull outside air to assist in combustion
§Vent byproducts to the outside
§Seal fireplace prevents contaminates infiltrating the indoor air
Chapter 4
4.504.1 - Covering of Duct Openings and Protection of Mechanical Equipment During Construction
Requires duct openings, permanent mechanical equipment and other components that will be used to move air in the building after occupancy to be protected from contamination during construction.
Chapter 4
4.504.1 - Covering of Duct Openings and Protection of Mechanical Equipment During Construction
Chapter 4
Purpose is to remove:•Construction dust•Debris•Airborne contaminates
4.504.1 - Covering of Duct Openings and Protection of Mechanical Equipment During Construction
Chapter 4
Where and when:•During the entire construction process•Protected and wrapped when stored on site•MERV 6 or 8 filter to be installed if system is operated during construction•If operated during construction:
•Entire system cleaned •Entire system inspected
4.504.1 - Covering of Duct Openings and Protection of Mechanical Equipment During Construction
How to comply§Cover return and supply openings with plastic or sheet metal.
§Wrap or protect equipment stored on the jobsite for future installation.
§If necessary, plan for alternate space conditioning systems during construction.
Chapter 4
4.504.2 - Finish Material Pollutant Control
Limits pollutants from the off-gassing of finish materials inside a residence.
Tables are provided that establish limits on the emissions of VOCs in adhesives, paints, and other coatings.
VOC limitations are also included for carpet, carpet cushions and carpet pad adhesives.
Chapter 4
4.504.2 - Finish Material Pollutant Control
Chapter 4
South Coast Air Quality Management District (SCAQMD)•Established limits•Improve indoor air quality•Improve occupant health and comfort•Compliance with SCAQMD Rule 1168
4.504.2 - Finish Material Pollutant Control
Chapter 4
4.504.2.1 Adhesives, sealants, and caulks•Adhesives•Adhesives bond primers•Adhesive primers•Sealants•Sealant primers
4.504.2 - Finish Material Pollutant Control
§A table addressing the formaldehyde limits was developed based on maximum allowable limits recently established by the California Air Resources Board (ARB).
§Ensures these levels are met by including a mandatory verification component which requires certification or documentation.
Chapter 4
4.504.2 - Finish Material Pollutant Control
Chapter 4
4.504.2.1 Adhesives, sealants, and caulks•Methods of compliance
•Tech data sheets•MSDS•MFG compliance letter•Custody letter from distributer
4.504.2 - Finish Material Pollutant Control
How to comply§Collect material specification sheets and make them available at time of inspection.
§Product labels.
§Use the specification sheet HCD is developing as a compliance aid for this section.
Chapter 4
4.504.3 - Finish Material Pollutant Control
Carpet system§Carpet, carpet pad, and glue
§Carpet system shall comply with the code
Chapter 4
4.504.3 - Finish Material Pollutant Control
How to comply§Carpet and Rug Institute Green Label Plus Program
§California Department of Public Health Standard Practice for the testing of VOC’s (Spec. 01350)
§NSF/ANSI 140 at the Gold Level
§Scientific Certification System Indoor Advantage Gold
Chapter 4
4.504.3 - Finish Material Pollutant Control
Verification and compliance§Contractor should be cognizant of code requirements
§Third party verification
§Mfg documents
§Local polices and procedures
Chapter 4
4.505.2 - Concrete Slab Foundations
§Capillary Break
§Provides explicit requirements for the installation of vapor barriers in slab on grade foundations to address moisture and mold issues that can negatively affect indoor air quality as well as damage floor coverings.
§Allows equivalent methods to be used provided the same protections will be maintained.
Chapter 4
4.505.2 – Concrete Slab Foundations
How to comply§Follow the prescriptive requirements in this section.
§Obtain approval from the enforcing agency for an alternate design.
§Use the design specified by a licensed California architect or engineer.
§Specifies an aggregate base of ½” or larger material must be used as a capillary break and clarifies that the vapor retarder must be placed above the aggregate and in direct contact with the concrete slab.
Chapter 4
4.505.2 – Concrete Slab Foundations
Vapor retarder consideration§Low moisture vapor transmission
§High tensile strength
§High puncture resistance
§Resistant to chemical or environmental attacks
§Over lapped 6 inches
§Use moisture resistant tape
Chapter 4
4.505.2 – Concrete Slab Foundations
Chapter 4
ACI 302.2R-06 recommendations
•Proposed installation be independently evaluated as to the moisture sensitivity of the floor finishes
•Anticipate project conditions
•Potential effects of slab curling, crusting, and cracking
•Benefits and risk associated with the location of the vapor retarder by Geo., EOR, and others
4.505.3 - Moisture Content of Building Materials
§Requires the moisture content of construction materials and insulation to be verified prior to approval to enclose wall and floor cavities with drywall or other finish surfaces.
§HCD currently adopts sections of the CBC which specify maximum grading and mill certification levels of moisture in framing materials.
§This section requires field verification and protection during wet weather.
Chapter 4
4.505.3 – Moisture Content of Building Materials
How to comply§Cover building materials to protect them from rain.
§Ensure the building is weather tight before insulating.
§Use other precautions necessary to ensure the building materials are kept dry.
§Test for moisture levels.
Chapter 4
4.506.1 - Bathroom Exhaust Fans
§Requires exhaust fans in any room that contains a bathtub or shower.§Allows a whole house ventilation system designed to provide outside air to be used to comply with this section.§Intended to reduce moisture inside the residence.§Fans must be ENERGY STAR compliant.§Humidistat controls: 50% to 80%
Chapter 4
4.506.1 - Bathroom Exhaust Fans
How to comply§If not part of a whole house ventilation system.
§Install ENERGY STAR fans with humidistat controls in each bathroom.
§A bathroom is a room that contains a bathtub or a shower or a combination of the two.
Chapter 4
4.507.1 - Openings
§Requires the openings for whole house exhaust fans to be insulated.
Chapter 4
Minimum insulationfor louvers R 4.2
4.507.1 - Openings
How to comply§Install a whole house fan with insulated louvers.
§Install a fan with an insulated cover.
§Use a fan with insulated duct connected to penetrations in the conditioned envelope.
Chapter 4
4.507.2 - Heating and Air-conditioning System
§Establishes minimum requirements for heating and air conditioning design.
§Heat loss and heat gain.§Duct system sizing.§Equipment selection.
§Allows designers flexibility to design based on local conditions.
Chapter 4
4.507.2 - Heating and Air-conditioning System
How to comply§Heat loss and heat gain calculation using software or hand calculations or an equivalent.
§Duct system design to ensure adequate air flow is provided to address the heat loss and gain in each area of the home.
§Select equipment which will provide the necessary air flow and level of conditioning to satisfy the loads, function within the duct design criteria and within the equipment limitations.
Chapter 4
4.507.2 - Heating and Air-conditioning System
How to comply§Heat loss & gain per ACCA Manual J or ASHRAE handbooks
§Duct sizing per ACCA 29-D Manual D or ASHRAE handbooks
§Select equipment ACCA 36-S Manual S or equivalent
Chapter 4
702.1 - Installer Training
§Establishes minimum requirements for heating and air conditioning installers.
Chapter 7
702.1 - Installer Training
How to comply§Certification or training as a HVAC systems installer through a program acceptable to the enforcing agency.
§Work is performed under the direct supervision of a person with acceptable training.
Chapter 7
702.1 - Installer Training
Certifications:§State certified apprenticeship programs
§Public utility training programs
§Training programs sponsored by trade, labor, statewide energy consulting or verification org.
§Manufactured sponsored programs
§Other programs acceptable to the enforcing agency
Chapter 7
702.2 - Special Inspection
§Establishes minimum requirements for third party inspectors acting on behalf of the enforcing agency.
§Similar to structural special inspections.
Chapter 7
702.2 - Special Inspection
How to comply§Demonstrate competence to the enforcing agency in the discipline being inspected.
§No financial interest in the project.
Chapter 7
702.2 - Special Inspection
Certifications:§National or regional green building programs
§Statewide energy consulting org such as HERS, building performance contractors and home energy auditors
§Successful completion of a third party apprentice training program in the appropriate trade
§Other programs acceptable to the enforcing agency
Chapter 7
Chapter 8Compliance Forms and Worksheets
§ Sample forms for construction waste management plans.
§ Water use worksheets.
§ More compliance forms will be added.
§ HCD is currently updating residential guide
Chapter 8
Meet mandatory requirements.
Meet prerequisites for each Chapter – as outlined in Appendix A4 (residential) and Appendix A5 (nonresidential).
Implement the required number of “elective” measures for each Chapter, as noted in A4 and A5.
Local jurisdiction sets final policy.
Reaching Tier 1 or Tier 2
Tier 1 Prerequisites, Residential: examples
•Exceed CEC 2008 Energy Efficiency Standards by 15%
•65% reduction in construction waste
•20% permeable paving
•10% recycled content
•Cool roof – meet Tier 1 Solar Reflective Index requirement
•Reduced flow rate for kitchen sink faucets: max = 1.5 gallons per minute at 60 psi
•20% cement reduction
Tier 1 Elective Requirements - Residential
At least two Planning and Design elective measures (Div A4.1)
At least four Energy Efficiency elective measures (Div A4.2)
At least one Water Efficiency and Conservation elective measure (Div A4.3)
At least two Material Conservation and Resource Efficiency elective measures from (Div A4.4)
At least one Environmental Quality elective measure (Div A4.5)
Tier 2: Note
The measures for Tier 2 status are very stringent.
Cities, counties and cities and counties considering adoption of Tier 2 as mandatory should carefully consider the stringency of each measure and ensure that the measures are achievable in their location.
Tier 2 Prerequisites, Residential: examples
•Exceed CEC 2008 Energy Efficiency Standards by 30%
•75% reduction in construction waste
•30% permeable paving
•15% recycled content
•Cool roof – meet Tier 2 Solar Reflective Index requirement
•Reduced flow rate for kitchen sink faucets, dishwasher must be Energy Star compliant, 5.8 gals per cycle max.
•30% cement reduction
Tier 2 Elective requirements, residential
§ At least four Planning and Design elective measures
§ At least six Energy Efficiency elective measures
§ At least two Water Efficiency and Conservation elective measures
§ At least four Material Conservation and Resource Efficiency elective measures
§ At least one Environmental Quality elective measure
§ Meet all mandatory requirements.
§ Meet Tier 1 or Tier 2 prerequisites.
§ Comply with additional elective measures as follows:§ 10 electives for Tier 1§ 17 electives for Tier 2
§ Application Checklist§ Mandatory provisions§ Provisions required for compliance with tiers
Tiers – Residential Summary
California Department of Housing and Community Development
www.hcd.ca.gov
4/27/2011
California Department of Housing and Community Development
www.hcd.ca.gov
Residential Guide
More Resources
4/27/2011
Whitepaper
Complimentary CALGreen WhitepaperProvides:
•Information for Cities, Architects,and Developers
•Current State information•Valuable resources•Assist with implementation ideas•Helps design professionals to met
city requirements
Email: crussell@vcacodegroup.com
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