Energy Efficiency & Performance (Division A6.2)

Grounded in the retrieved California Green Building Standards Code (CALGreen) — click a citation to read the verbatim passage:

• CALGreen § 106.9 High relevance — show source text

  FEATURE OR MEASURE	COMPLIANCE LEVELS	Col3	Col4	NOTES
  FEATURE OR MEASURE	Mandatory CALGreen	VOLUNTARY CALGreen	VOLUNTARY CALGreen	VOLUNTARY CALGreen
  FEATURE OR MEASURE	Mandatory CALGreen	Tier 1	Tier 2	Tier 2
  DIVISION A6.1 – PLANNING AND DESIGN
  SECTION Site Development	SECTION Site Development	SECTION Site Development	SECTION Site Development	SECTION Site Development
  **A6.106.9 Building orientation.**Locate and orient the building as follows: 1. When site and location permit, orient the building with the long sides facing north and south. 2. Protect the building from thermal loss, drafts and degradation of the building envelope caused by wind and wind-driven materials such as dust.			
  DIVISION A6.2 – ENERGY EFFICIENCY
  SECTION A6.203 Performance Measures	SECTION A6.203 Performance Measures	SECTION A6.203 Performance Measures	SECTION A6.203 Performance Measures	SECTION A6.203 Performance Measures
  A6.203.1 Energy performance. [OSHPD 1] **A6.203.1.1 CALGreen Tier 1. [OSHPD 1]**Buildings must comply with the latest edition of “Savings By Design, Healthcare Modeling Procedures.” A.5.203.1.2 CALGreen Tier 2. [OSHPD 1] Buildings must exceed the latest edition of “Savings By Design, Healthcare Modeling Procedures” by 15 percent.			
  SECTION A6.204 Prescriptive Measures
  **A6.204.1 ENERGY STAR equipment and appliances.**All equipment and appliances provided by the builder shall be ENERGY STAR labeled if ENERGY STAR is applicable to that equipment or appliance.			
  A6.204.4 Commissioning. 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 as a minimum items listed in Section A6.204.4. **A6.204.4.1 Owner’s Project Requirements (OPR).**Documented before the design phase of the project begins the OPR shall include items listed in Section A6.204.4. **A6.204.4.2 Basis of Design (BOD).**A written explanation of how the design of the building systems meets the OPR shall be completed at the design phase of the building project and updated periodically to cover the systems listed in Section A6.204.4.2. **A6.204.4.3 Commissioning plan.

• CALGreen § 1-1 High relevance — show source text

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  A6 VOLUNTARY STANDARDS FOR HEALTH FACILITIES [OSHPD 1, 2 & 4]

  DIVISION A6.1 – SITE PLANNING AND DESIGN

  SECTION A6.106—SITE DEVELOPMENT

  A6.106.9 Building orientation. Locate and orient the building as follows:

  1. When site and location permit, orient the building with the long sides facing north and south.
  2. Protect the building from thermal loss, drafts and degradation of the building envelope caused by wind and wind-driven materials such as dust, sand, snow and leaves, with building orientation and landscape features. Note: For information on sun angles and shading, visit: http://www2.aud.ucla.edu/energy-design-tools/.

  Calculations may be made using the Solar-2 tool.

  DIVISION A6.2 – ENERGY EFFICIENCY

  SECTION A6.202—DEFINITIONS

  A6.202.1 Definitions. The following words and terms shall, for the purposes of this chapter and as used elsewhere in this code, have the meanings shown herein.

  ENERGY STAR. A joint program of the US Environmental Protection Agency and the US Department of Energy. ENERGY STAR is a voluntary program designed to identify and promote energy-efficient products and practices.

  SECTION A6.203—PERFORMANCE APPROACH

  A6.203.2 Energy performance. It is the intent of this code to encourage green buildings to achieve exemplary performance in the area of energy efficiency.

  A6.203.2.1 CALGreen Tier 1. [OSHPD 1] To achieve CALGreen [Tier 1, buildings must comply with the latest edition of “Savings By](http://www.energysoft.com/ep/ 2007SBDHProcedures.pdf) Design, Healthcare Modeling Procedures” found online at http://www.energysoft.com/ep/ 2007SBDHProcedures.pdf.

  A6.203.2.2 CALGreen Tier 2. [OSHPD 1] To achieve CALGreen Tier 2, buildings must exceed the latest edition of “Savings By Design, Healthcare Modeling Procedures” by a minimum of 15 percent.

  SECTION A6.204—PRESCRIPTIVE APPROACH

  A6.204.1 ENERGY STAR equipment and appliances. All equipment and appliances provided by the builder shall be ENERGY STAR labeled if ENERGY STAR is applicable to that equipment or appliance.

  A6.204.4 Commissioning. [OSHPD 1 & 4] Building commissioning shall be included in the design and construction processes of the building project to verify that the building’s energy related systems are installed, calibrated and perform according to the owner’s project requirements, basis of design and construction documents.

  The owner and designer shall designate an individual as the Commissioning Authority (CxA) to lead, review and oversee the completion of the commissioning process activities. The owner shall document the Owner’s Project Requirements (OPR).

• CALGreen § 4.3 Medium relevance — show source text

  For each phase of the work, define the roles and responsibilities for each member of the Cx team. iii. List the required Cx deliverables, reports, forms and verifications expected at each stage of the commissioning effort.

  iv. Include the confirmation process for the O&M manual, systems manual and the facility operator and maintenance staff training.

  4.3 Enforcement:

  At their discretion, the inspector confirms demonstrated compliance at Plan Intake by: a) Receipt of a copy of the commissioning plan, or b) Receipt of a form signed by the owner or owner’s representative attesting that the Cx Plan has been completed.

  Reference: 5 Functional performance testing

  CALGreen Section 5.410.2.4, Functional performance testing.

  5.1 Intent:

  Develop and implement the functional performance tests to document, as set forth in the commissioning plan, that all components, equipment, systems and system-to-system interfaces were installed as specified, and operate according to the Owner’s Project Requirements, Basis of Design, and plans and specifications.

  The following systems to be functionally tested are listed in the Basis of Design (Section 5.410.2.2 of the code):

  1. Renewable energy systems

  2. Landscape irrigation systems

  3. Water reuse systems

  5.2 Compliance Method:

  Compliance is demonstrated by developing and implementing test procedures for each piece of commissioned equipment and interfaces between equipment and systems according to the building-specific commissioning plan. Tests should include verification of proper operation of all equipment features, each part of the sequence of operation, overrides, lockouts, safeties, alarms, occupied and unoccupied modes, loss of normal power, exercising a shutdown, startup, low load through full load (as much as is possible) and back, staging and standby functions, scheduling, energy efficiency strategies and loop tuning.

  Elements of acceptable test procedures include:

  1. Date and party—Identification of the date of the test and the party conducting the test.

  2. Signature block—Signature of the designated commissioning lead and the equipment installing contractor attesting that the recorded test results are accurate.

  3. Prerequisites—Any conditions or related equipment checkout or testing that needs to be completed before conducting this test.

  4. Precautions—Identification of the risks involved to the test team members and the equipment and how to mitigate them.

  5. Instrumentation—Listing of the instrumentation and tools necessary to complete the test.

  6. Reference—In each procedure item, identify the source for what is being confirmed (e.g., sequence of operation ID, operating feature, specification requirement, etc.).

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  COMPLIANCE FORMS, WORKSHEETS AND REFERENCE MATERIAL

  7. Test instructions—Step-by-step instructions of how to complete the test, including functions to test and the conditions under which the tests should performed.

  8. Acceptance criteria—Measurable pass / fail criteria for each step of the test, as applicable.

  9. Results—Expected system response and space to document the actual response, readings, results and adjustments.

  10. Return to normal—Instructions that all systems and equipment are to be returned to their as-found state at the conclusion of the tests.

  11. Deficiencies—A list of deficiencies and how they were mitigated.

  5.3 Enforcement:

• CALGreen § 5.410.2.1 Medium relevance — show source text

  Independent Third-Party Commissioning Professional— A commissioning consultant contracted directly by the owner who is not responsible to, or affiliated with, any other member of the design and construction team.

  Operation and Maintenance (O&M) Manuals— Documents that provide information necessary for operating and maintaining installed equipment and systems.

  Owner Representative— An individual or entity assigned by the owner to act and sign on the owner’s behalf.

  Process Equipment— Energy-using equipment and components that are not used for HVAC, electrical, plumbing and irrigation operations. Such devices would include but are not limited to heat transfer, water purifying, air cleaning, air vacuum and air compressing.

  Sequence of Operation— A written description of the intended performance and operation of each control element and feature of the equipment and systems.

  Selecting Trained Personnel (for Commissioning)

  This code requires that “Commissioning shall be performed in accordance with this section by trained personnel with experience on projects of comparable size and complexity.” The trained personnel manage and facilitate the commissioning process. The trained personnel develop and implement the commissioning tasks and documentation identified in Sections 5.410.2.1 through 5.410.2.6. Trained personnel may include appropriate members of owner staff, contractor and design team as well as independent commissioning professionals.

  It is essential that there is a single person designated to lead and manage the commissioning activities. In practice, this individual has been referenced by various identifiers such as commissioning authority, agent, provider, coordinator, lead, etc. In this guide the term “commissioning coordinator” is used.

  The designated commissioning coordinator may be an independent, third-party commissioning professional, a project design team member (e.g., engineer or architect), an owner’s engineer or facility staff, contractor or specialty subcontractor. Methods of evaluating the designated commissioning coordinator and trained personnel include review of the following:

  1. Technical knowledge;
  2. Relevant experience;
  3. Potential conflict of interest concerns;
  4. Professional certifications and training;
  5. Communication and organizational skills; and
  6. Reference and sample work products.

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  Selection of “trained,” qualified personnel is required by this code. In order to meet this requirement, the commissioning provider should be evaluated via the methods discussed above. In addition, various organizations have training and certification programs that may be a source for identification of qualified commissioning providers.

  For information about enforcement and compliance of each commissioning element see Sections 5.410.2.1 through 5.410.2.6.

  For compliance forms and templates see Part 2 following this standard.

  Reference: 1 Owner’s Project Requirements

  CALGreen Section 5.410.2.1, Owner’s or Owner representative’s Project Requirements (OPR).

  1.1 Intent:

  The Owner’s Project Requirements (OPR) documents the functional requirements of a project and expectations of the building use and operation as it relates to systems being commissioned. The document describes the physical and functional building characteristics desired by the owner and establishes performance and acceptance criteria. The OPR is most effective when developed during predesign and used to develop the Basis of Design (BOD) during the design process. The level of detail and complexity of the OPR will vary according to building use, type and systems.

  1.2 Compliance Method:

• CALGreen § 8-17 Medium relevance — show source text

  • Refer to the OPR and BOD documents

  b. Equipment and systems to be tested, including the extent of tests i. Provide a list of equipment and systems to be tested

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  ii. Describe the range and extent of tests to be performed for each system component, and interface between systems c. Functions to be tested - Provide example functional test procedures to identify the level of testing detail required

         See (Section 5.410.2.4) FPT guidance for more information
  

  d. Conditions under which the test shall be performed - Identify the conditions under which the major operational system functions are to be tested, including: i. Normal operations and part-load operations. ii. Seasonal testing requirements. iii. Restart of equipment and systems after power loss. iv. System alarm confirmations. e. Measurable criteria for acceptable performance - Include measurable criteria for acceptable performance of each system to be tested 4. Commissioning team information - Provide a contact list for all commissioning team members, including but not limited to: i. Owner, owner’s representative. ii. Architect, engineers. iii. Designated commissioning representative. iv. General contractor, subcontractors and construction manager. 5. Commissioning process activities, schedules and responsibilities i. Establish prescribed commissioning process steps and activities to be accomplished by the Cx team throughout the design to occupancy. ii. For each phase of the work, define the roles and responsibilities for each member of the Cx team. iii. List the required Cx deliverables, reports, forms and verifications expected at each stage of the commissioning effort.

  iv. Include the confirmation process for the O&M manual, systems manual and the facility operator and maintenance staff training.

  4.3 Enforcement:

  At their discretion, the inspector confirms demonstrated compliance at Plan Intake by: a) Receipt of a copy of the commissioning plan, or b) Receipt of a form signed by the owner or owner’s representative attesting that the Cx Plan has been completed.

  Reference: 5 Functional performance testing

  CALGreen Section 5.410.2.4, Functional performance testing.

  5.1 Intent:

  Develop and implement the functional performance tests to document, as set forth in the commissioning plan, that all components, equipment, systems and system-to-system interfaces were installed as specified, and operate according to the Owner’s Project Requirements, Basis of Design, and plans and specifications.

  The following systems to be functionally tested are listed in the Basis of Design (Section 5.410.2.2 of the code):

  1. Renewable energy systems

  2. Landscape irrigation systems

  3. Water reuse systems

  5.2 Compliance Method:

  Compliance is demonstrated by developing and implementing test procedures for each piece of commissioned equipment and interfaces between equipment and systems according to the building-specific commissioning plan. Tests should include verification of proper operation of all equipment features, each part of the sequence of operation, overrides, lockouts, safeties, alarms, occupied and unoccupied modes, loss of normal power, exercising a shutdown, startup, low load through full load (as much as is possible) and back, staging and standby functions, scheduling, energy efficiency strategies and loop tuning.

• CALGreen § 602.1 Medium relevance — show source text

  VOLUNTARY MEASURES. . . . . . . . . . . . . . . . . APPENDIX A5-3

  A5.1 Planning and Design . . . . . . . . . . . . . . . . . APPENDIX A5-3 A5.2 Energy Efficiency . . . . . . . . . . . . . . . . . . . APPENDIX A5-13 A5.3 Water Efficiency and Conservation . . . APPENDIX A5-19 A5.4 Material Conservation and Resource Efficiency . . . . . . . . . . . . . . . . . . . . . . . . APPENDIX A5-25 A5.5 Environmental Quality . . . . . . . . . . . . . . APPENDIX A5-35 A5.6 Voluntary Tiers . . . . . . . . . . . . . . . . . . . . . APPENDIX A5-41 A5.601 CALGren Tier 1 and Tier 2. . . . . . . . . . APPENDIX A5-41

  A5.602 CALGreen Verification Guidelines Mandatory Measures Checklist . . . . . . . . . . . . . . . APPENDIX A5-44

  A5.602.1 CALGreen Verification Guidelines

  Tier 1 Checklist . . . . . . . . . . . . . . . . . APPENDIX A5-48

  A5.602.2 CALGreen Verification Guidelines

  Tier 2 Checklist . . . . . . . . . . . . . . . . . APPENDIX A5-55

  APPENDIX A6 VOLUNTARY STANDARDS FOR HEALTH

  FACILITIES [OSHPD 1, 2 & 4] . . . . . . . . . . . APPENDIX A6.1-3 A6.1 Site Planning and Design . . . . . . . . . . . APPENDIX A6.1-3 A6.2 Energy Efficiency . . . . . . . . . . . . . . . . . . APPENDIX A6.1-3 A6.4 Material Conservation and Resource Efficiency . . . . . . . . . . . . . APPENDIX A6.1-32 A6.5 Environmental Quality . . . . . . . . . . . . APPENDIX A6.1-33

  INDEX . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . INDEX-1

  HISTORY NOTE. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . HIST-1

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  CALIFORNIA GREEN BUILDING STANDARDS CODE – MATRIX ADOPTION TABLE

  CHAPTER 1 – ADMINISTRATION

  (Matrix Adoption Tables are nonregulatory, intended only as an aid to the code user. See Chapter 1 for state agency authority and building applications.)

  |Adopting

• CALGreen § 3.3 Medium relevance — show source text

  15. Definitions section.

  3.3 Enforcement:

  At their discretion, the inspector confirms demonstrated compliance at Plan Intake by: a) Receipt of a copy of the commissioning specifications, or b) Receipt of a form signed by the owner or owner’s representative or designer of record attesting that the owner-approved commissioning specifications are included in the construction documents.

  Reference: 4 Commissioning plan

  CALGreen Section 5.410.2.3, Commissioning plan.

  4.1 Intent:

  The Commissioning Plan (Cx Plan) establishes the commissioning process guideline for the project and commissioning team’s level of effort by identifying the required Cx activities to ensure that the Owner’s Project Requirements (OPR) and the Basis of Design (BOD) are met. The Cx Plan also includes a commissioning schedule from design to occupancy.

  4.2 Compliance Method:

  Compliance is demonstrated by preparation of a project-specific Cx Plan that includes the elements listed in the code section above. The following gives guidance for developing the components of the commissioning plan:

  1. General project information - Provide project-identifying information including but not limited to the following: i. Project name, owner, location. ii. Building type, building area. iii. Project schedule. iv. Contact information of individual/company providing the commissioning services.

  2. Commissioning goals – Document the commissioning goals, including but not limited to: i. Meeting CALGreen code requirements for commissioning. ii. Meeting OPR and BOD requirements. iii. Carrying out requirements for commissioning activities as specified in plans and specifications.

  3. Systems to be commissioned – See BOD a. An explanation of the original design intent - Document the performance objectives and design intent for each system listed to be commissioned in a written narrative

         - Refer to the OPR and BOD documents
     

  b. Equipment and systems to be tested, including the extent of tests i. Provide a list of equipment and systems to be tested

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  ii. Describe the range and extent of tests to be performed for each system component, and interface between systems c. Functions to be tested - Provide example functional test procedures to identify the level of testing detail required

         See (Section 5.410.2.4) FPT guidance for more information
  

  d. Conditions under which the test shall be performed - Identify the conditions under which the major operational system functions are to be tested, including: i. Normal operations and part-load operations. ii. Seasonal testing requirements. iii. Restart of equipment and systems after power loss. iv. System alarm confirmations. e. Measurable criteria for acceptable performance - Include measurable criteria for acceptable performance of each system to be tested 4. Commissioning team information - Provide a contact list for all commissioning team members, including but not limited to: i. Owner, owner’s representative. ii. Architect, engineers. iii. Designated commissioning representative. iv. General contractor, subcontractors and construction manager. 5. Commissioning process activities, schedules and responsibilities i. Establish prescribed commissioning process steps and activities to be accomplished by the Cx team throughout the design to occupancy. ii. For each phase of the work, define the roles and responsibilities for each member of the Cx team. iii.

• CALGreen § 203.1.1 Medium relevance — show source text

  [OSHPD 1]**
  **A6.203.1.1 CALGreen Tier 1. [OSHPD 1]**Buildings must comply with the latest edition of
  “Savings By Design, Healthcare Modeling Procedures.”
  A.5.203.1.2 CALGreen Tier 2. [OSHPD 1] Buildings must exceed the latest edition of “Savings
  By Design, Healthcare Modeling Procedures” by 15 percent.||||| |SECTION A6.204 Prescriptive Measures||||| |**A6.204.1 ENERGY STAR equipment and appliances.**All equipment and appliances provided
  by the builder shall be ENERGY STAR labeled if ENERGY STAR is applicable to that equipment
  or appliance.||||| |A6.204.4 Commissioning. 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 as
  a minimum items listed in Section A6.204.4.
  **A6.204.4.1 Owner’s Project Requirements (OPR).**Documented before the design phase of
  the project begins the OPR shall include items listed in Section A6.204.4.
  **A6.204.4.2 Basis of Design (BOD).**A written explanation of how the design of the building
  systems meets the OPR shall be completed at the design phase of the building project and
  updated periodically to cover the systems listed in Section A6.204.4.2.
  **A6.204.4.3 Commissioning plan.**A commissioning plan describing how the project will be
  commissioned shall be started during the design phase of the building project and shall
  include as a minimum items listed in Section A6.204.4.3.
  A6.204.4.4 Functional performance testingshall demonstrate the correct installation and
  operation of each component, system and system-to-system interface in accordance with
  the approved plans and specifications.
  **A6.204.4.5 Post construction documentation and training.**A systems manual and
  systems operations training are required.
  **A6.204.4.5.1 Systems manual.**The systems manual shall be delivered to the building
  owner and facilities operator and shall include the items listed in Section A6.204.4.5.1.
  A6.204.4.5.2 Systems operations training. The training of the appropriate maintenance
  staff for each equipment type and/or system shall include as a minimum items listed in
  Section A6.204.4.5.2.
  **A6.204.4.6 Commissioning report.**A complete report of commissioning process activities
  undertaken through the design, construction and postconstruction phases of the building
  project shall be completed and provided to the owner.||
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  || |**A6.204.6 Building orientation and shading.

• CALGreen § 8-15 Medium relevance — show source text

  Building Occupant and O&M Personnel Expectations—Describe the following: a. How building will be operated and by whom b. Level of training and orientation required to understand, operate and use the building systems for building operation and maintenance staff, as well as occupants c. Building operation and maintenance staff location and capabilities

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  1.3 Enforcement:

  At their discretion, the inspector confirms demonstrated compliance at Plan Intake by: a) Receipt of a copy of the OPR document, or b) Receipt of a form signed by the owner or owner representative attesting that the OPR has been completed and approved by the owner.

  Reference: 2 Basis of Design (BOD)

  CALGreen Section 5.410.2.2, Basis of Design (BOD).

  2.1 Intent:

  The Basis of Design (BOD) describes the building systems to be commissioned and outlines design assumptions not indicated in the design documents. The design team develops the BOD to describe how the building systems’ design meets the Owner’s Project Requirements (OPR), and why the systems were selected. The BOD is most effective when developed early in the project design and updated as necessary throughout the design process.

  2.2 Compliance Method:

  Compliance requires the completion of the BOD document and should include the following where applicable:

  1. Renewable Energy Systems a. Provide narrative description of system—type, performance, control type, energy savings, payback period b. Describe reason for system selection—why chosen system is better than alternatives, issues such as performance, efficiency, reliability, flexibility, simplicity, expandability, cost, payback period, utility company incentives, owner preference c. Sequence of Operation—operating schedules, setpoints, storage capacity d. Describe how system meets the OPR

  2. Landscape Irrigation Systems a. Provide narrative description of system—type, performance, water usage b. Describe reason for system selection—why chosen system is better than alternatives, issues such as performance, efficiency, reliability, flexibility, expandability, cost, owner preference, simplicity c. Sequence of Operation—operating schedules, setpoints d. Describe how system meets the OPR

  3. Water Reuse Systems a. Provide narrative description of system—type, performance, capacity, reuse purpose b. Describe reason for system selection—why chosen system is better than alternatives, issues such as performance, efficiency, reliability, flexibility, expandability, cost, owner preference, simplicity c. Sequence of Operation—operating schedules, setpoints d. Describe how system meets the OPR

  2.3 Enforcement:

  At their discretion, the building official confirms demonstrated compliance at Plan Intake by: a) Receipt of a copy of the BOD document, or b) Receipt of a form signed by the architect, engineer or designer of record, attesting that the BOD has been completed and meets the requirements of the OPR.

  Reference: 3 Commissioning measures shown in the construction documents

  CALGreen Section 5.410.2, Commissioning.

  This section provides details for element 3: Commissioning measures shown in the construction documents.

  3.1 Intent:

  Include commissioning measures or requirements in the construction documents (plans and specifications). Commissioning measures or requirements should be clear, detailed and complete to clarify the commissioning process.

• CALGreen § 504.8.5.2 Medium relevance — show source text

  A6.504.8.5.2 Documentation. Verification of compliance with this section shall be provided as requested by the enforcing agency. Documentation shall include at least one of the following:

  1. Product certifications and specifications.
  2. Chain of custody certifications.
  3. Other methods acceptable to the enforcing agency.

  A6.504.9 Environmental tobacco smoke (ETS) control. [OSHPD 1, 2 & 4] Where outdoor areas are provided for smoking, prohibit smoking within 25 feet of building entries, outdoor air intakes and operable windows and within the building, if not already prohibited by other laws or regulations, or as enforced by ordinances, regulations or policies of any city, county, city and county, California Community College, campus of the California State University or campus of the University of California, whichever are more stringent. When ordinances, regulations or policies are not in place, post signage to inform building occupants of the prohibitions.

  SECTION A6.505 [OSHPD 1, 2 & 4]—INDOOR MOISTURE CONTROL

  A6.505.2 Indoor moisture control. Buildings shall meet or exceed the provisions of California Building Code, CCR, Title 24, Part 2, Sections 1203 and Chapter 14.

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  APPENDIX A6.1 — VOLUNTARY STANDARDS FOR HEALTH FACILITIES [OSHPD 1, 2 & 4]

  NONRESIDENTIAL OCCUPANCIES APPLICATION CHECKLIST [OSHPD 1, 2 and 4]

  FEATURE OR MEASURE	COMPLIANCE LEVELS	Col3	Col4	NOTES
  FEATURE OR MEASURE	Mandatory CALGreen	VOLUNTARY CALGreen	VOLUNTARY CALGreen	VOLUNTARY CALGreen
  FEATURE OR MEASURE	Mandatory CALGreen	Tier 1	Tier 2	Tier 2
  DIVISION A6.1 – PLANNING AND DESIGN
  SECTION Site Development	SECTION Site Development	SECTION Site Development	SECTION Site Development	SECTION Site Development
  **A6.106.9 Building orientation.**Locate and orient the building as follows: 1. When site and location permit, orient the building with the long sides facing north and south. 2. Protect the building from thermal loss, drafts and degradation of the building envelope caused by wind and wind-driven materials such as dust.			
  DIVISION A6.2 – ENERGY EFFICIENCY
  SECTION A6.203 Performance Measures	SECTION A6.203 Performance Measures	SECTION A6.203 Performance Measures	SECTION A6.203 Performance Measures	SECTION A6.203 Performance Measures
  A6.203.1 Energy performance. [OSHPD 1] **A6.203.1.1 CALGreen Tier 1.

• CALGreen § 409.4 Medium relevance — show source text

  Solar access is the ratio of solar insolation including shade to the
  solar insolation without shade. Shading from obstructions located on the roof or any other part of the building shall not be included in the determination of annual solar access.
  3.
  Life cycle assessment compliant with Section A5.409.4 in this code may be substituted for prescriptive measures from Division A5.4.|

  A5.601.1 Scope. The measures contained in this appendix are not mandatory unless adopted by local government as specified in Section 101.7. The provisions of this section outline means of achieving enhanced construction or reach levels by incorporating addi

  2025 CALIFORNIA GREEN BUILDING STANDARDS CODE APPENDIX A5-41

  on Jul 18, 2025 11:14 AM (CDT) THEREUNDER.

  APPENDIX A5 — NONRESIDENTIAL VOLUNTARY MEASURES

  tional green building measures for newly constructed nonresidential buildings as well as additions and alterations. In order to meet one of the tier levels designers, builders or property owners are required to incorporate additional green building measures necessary to meet the threshold of each level. Refer to the provisions in Section 301.3 for nonresidential additions and alterations scope and application.

  A5.601.2 CALGreen Tier 1

  A5.601.2.1 Prerequisites. To achieve CALGreen tier status, a project must meet all of the mandatory measures in Chapter 5 and, in addition, meet the provisions of this section.

  A5.601.2.2 Energy performance. For the purposes of mandatory energy efficiency standards in this code, the California Energy Commission will continue to adopt mandatory standards.

  A5.601.2.3 Tier 1. Comply with the energy efficiency requirements in Section A5.203.1.1 and Section A5.203.1.2.1.

  A5.601.2.4 Voluntary measures for Tier 1. In addition to the provisions of Sections A5.601.2.1 and A5.601.2.3 above, compliance with the following voluntary measures from Appendix A5 is required for Tier 1:

  1. From Division A5.1, a. Comply with the designated parking requirements for high-efficiency vehicles for a minimum of 35 percent of parking capacity per Section A5.106.5.1. b. Electric vehicle (EV) charging [N] and Table A5.106.5.3.1 w/ footnotes. c. Comply with thermal emittance, solar reflectance or SRI values for cool roofs in Section A5.106.11.2 and Table A5.106.11.2.2. [1]

  d. Comply with one elective measure selected from this division. 2. From Division A5.2 comply with ONE of the following:

  1. Outdoor lighting as described in A5.203.1.1.1.

  2. Service water heating in restaurants as described in A5.203.1.1.2.

  3. Warehouse Dock Seal Doors A5.203.1.1.3.

  4. Daylight Design Power Adjustments 5.203.1.1.4.

  5. Exhaust Air Heat Recovery A5.203.1.1.5.

  6. From Division A5.3,

  a. Comply with the 12-percent reduction for indoor potable water use in Section A5.303.2.3.1. b. Comply with one elective measure selected from this division.

  4. From Division A5.4,
• CALGreen § 201.1 Medium relevance — show source text

  SECTION A4.201—GENERAL

  A4.201.1 Scope. For the purposes of mandatory energy efficiency standards in the California Building Standards Code (Title 24), the California Energy Commission will continue to adopt mandatory standards in the California Energy Code (Title 24, Part 6). It is the intent of these voluntary provisions to encourage local jurisdictions through codification to achieve exemplary performance in the area of building energy efficiency. Local jurisdictions adopting these voluntary provisions as mandatory local energy efficiency standards shall submit the required application and receive the required approval of the California Energy Commission in compliance with Title 24, Part 1, Section 10-106 prior to enforcement. Once the required filing has been verified and finding has been made by the Energy Commission, local jurisdictions shall file an ordinance expressly marking the local modification along with findings and receive the required acceptance from the California Building Standards Commission in compliance with Section 101.7 of this code, prior to enforcement. (Title 24, Part 1, Section 10-106 is available at https://www.energy.ca.gov/programs-and-topics/programs/build- ing-energy-efficiency-standards/2025-building-energy-efficiency

  SECTION A4.202—DEFINITIONS

  A4.202.1 Definitions. The following terms are defined in Chapter 2.

  ENERGY BUDGET.

  LONG-TERM SYSTEM COST (LSC).

  RECOVERED ENERGY, ON-SITE.

  SOLAR POOL HEATING SYSTEM.

  SECTION A4.203—PERFORMANCE APPROACH FOR NEWLY CONSTRUCTED BUILDINGS

  A4.203.1 Energy efficiency. Newly constructed low-rise residential buildings shall comply with Sections A4.203.1.1 through A4.203.1.4.

  A4.203.1.1 Long-term system cost (LSC). LSC rating for the building’s Proposed Design shall be computed by Compliance Software certified by the Energy Commission as specified in Title 24, Part 6, Section 100.1 and 150.1(b), and shall reduce the LSC required in the Compliance Software for minimum performance-based compliance with the California Energy Code by the compliance margin specified in Table A4.203.1.1. The rating shall be included in the Certificate of Compliance documentation.

  TABLE A4.203.1.1—RECOMMENDED LSC MARGINS BY CLIMATE ZONES	Col2
  CALIFORNIA ENERGY CODE CLIMATE ZONE	TOTAL LSC COMPLIANCE MARGIN
  1	2.70
  2	1.62
  3	1.10
  4	1.11
  5	1.01
  6	0.24
  7	0.24
  8	0.21
  9	0.20
  10	0.18
  11	1.11
  12	1.05
  13	0.96
  14	1.21
  15	0.59
  16	1.68
  Note: Community shared options complying with Title 24, Part 1, Section 10-115 may be used to achieve LSC targets.	Note: Community shared options complying with Title 24, Part 1, Section 10-115 may be used to achieve LSC targets.

  2025 CALIFORNIA GREEN BUILDING STANDARDS CODE APPENDIX A4-9