Basis-of-design and commissioning requirements for landscape irrigation and water reuse systems

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

• CALGreen § 5-26 High relevance — show source text

  5-26 2025 CALIFORNIA GREEN BUILDING STANDARDS CODE

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  NONRESIDENTIAL MANDATORY MEASURES

  dance with this section by trained personnel with experience on projects of comparable size and complexity. For I-occupancies that are not regulated by OSHPD or for I-occupancies and L-occupancies that are not regulated by the California Energy Code Section 100.0 Scope, all requirements in Sections 5.410.2 through 5.410.2.6 shall apply.

  Note: For energy-related systems under the scope (Section 100) of the California Energy Code, including heating, ventilation, air conditioning (HVAC) systems and controls, indoor lighting systems and controls, as well as water heating systems and controls, refer to California Energy Code Section 120.8 for commissioning requirements.

  Commissioning requirements shall include:

  1. Owner’s or owner representative’s project requirements.
  2. Basis of design.
  3. Commissioning measures shown in the construction documents.
  4. Commissioning plan.
  5. Functional performance testing.
  6. Documentation and training.
  7. Commissioning report.

  Exceptions:

  1. Unconditioned warehouses of any size.

  2. Areas less than 10,000 square feet used for offices or other conditioned accessory spaces within unconditioned warehouses.

  3. Tenant improvements less than 10,000 square feet as described in Section 303.1.1.

  4. Open parking garages of any size, or open parking garage areas, of any size, within a structure.

  Note: For the purposes of this section, unconditioned shall mean a building, area or room which does not provide heating and/or air conditioning.

  Informational Note:

  1. Functional performance testing for heating, ventilation, air conditioning systems and lighting controls must be performed in compliance with the California Energy Code.

  5.410.2.1 Owner’s or Owner representative’s Project Requirements (OPR). [N] The expectations and requirements of the building appropriate to its phase shall be documented before the design phase of the project begins. This documentation shall include the following:

  1. Environmental and sustainability goals.
  2. Building sustainable goals.
  3. Indoor environmental quality requirements.
  4. Project program, including facility functions and hours of operation, and need for after hours operation.
  5. Equipment and systems expectations.
  6. Building occupant and operation and maintenance (O&M) personnel expectations.

  5.410.2.2 Basis of Design (BOD). [N] 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. The Basis of Design document shall cover the following systems:

  1. Renewable energy systems.

  2. Landscape irrigation systems.

  3. Water reuse systems.

  5.410.2.3 Commissioning plan. [N] Prior to permit issuance a commissioning plan shall be completed to document how the project will be commissioned. The commissioning plan shall include the following:

  1. General project information.
  2. Commissioning goals.
  3. Systems to be commissioned. Plans to test systems and components shall include: a. An explanation of the original design intent. b. Equipment and systems to be tested, including the extent of tests.

  c. Functions to be tested.

  d. Conditions under which the test shall be performed. e. Measurable criteria for acceptable performance. 4. Commissioning team information. 5. Commissioning process activities, schedules and responsibilities. Plans for the completion of commissioning shall be included.

• CALGreen § 5.410.2.1 High relevance — show source text

  Informational Note:

  1. Functional performance testing for heating, ventilation, air conditioning systems and lighting controls must be performed in compliance with the California Energy Code.

  5.410.2.1 Owner’s or Owner representative’s Project Requirements (OPR). [N] The expectations and requirements of the building appropriate to its phase shall be documented before the design phase of the project begins. This documentation shall include the following:

  1. Environmental and sustainability goals.
  2. Building sustainable goals.
  3. Indoor environmental quality requirements.
  4. Project program, including facility functions and hours of operation, and need for after hours operation.
  5. Equipment and systems expectations.
  6. Building occupant and operation and maintenance (O&M) personnel expectations.

  5.410.2.2 Basis of Design (BOD). [N] 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. The Basis of Design document shall cover the following systems:

  1. Renewable energy systems.

  2. Landscape irrigation systems.

  3. Water reuse systems.

  5.410.2.3 Commissioning plan. [N] Prior to permit issuance a commissioning plan shall be completed to document how the project will be commissioned. The commissioning plan shall include the following:

  1. General project information.
  2. Commissioning goals.
  3. Systems to be commissioned. Plans to test systems and components shall include: a. An explanation of the original design intent. b. Equipment and systems to be tested, including the extent of tests.

  c. Functions to be tested.

  d. Conditions under which the test shall be performed. e. Measurable criteria for acceptable performance. 4. Commissioning team information. 5. Commissioning process activities, schedules and responsibilities. Plans for the completion of commissioning shall be included.

  5.410.2.4 Functional performance testing. [N] Functional performance tests shall demonstrate the correct installation and operation of each component, system and system- to-system interface in accordance with the approved plans and specifications.

  2025 CALIFORNIA GREEN BUILDING STANDARDS CODE 5-27

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  NONRESIDENTIAL MANDATORY MEASURES

  Functional performance testing reports shall contain information addressing each of the building components tested, the testing methods utilized, and include any readings and adjustments made.

  5.410.2.5 Documentation and training. [N] A systems manual and systems operations training are required, including Occupational Safety and Health Act (OSHA) requirements in California Code of Regulations (CCR), Title 8, Section 5142, and other related regulations.

  5.410.2.5.1 Systems manual. [N] Documentation of the operational aspects of the building shall be completed within the systems manual and delivered to the building owner or representative. The systems manual shall include the following:

  1. Site information, including facility description, history and current requirements.

  2. Site contact information.

  3. Basic operations and maintenance, including general site operating procedures, basic troubleshooting, recommended maintenance requirements, site events log.

  4. Major systems.

  5. Site equipment inventory and maintenance notes.

  6. A copy of verifications required by the enforcing agency or this code.

  7. Other resources and documentation, if applicable.

• CALGreen § 4.3 High 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 § 410.2 High relevance — show source text

  410.2||||| |DIVISION 5.4
  Material
  Conservation
  and Resource
  Efficiency
  (continued)|Mandatory|Owner’s or owner representative’s Project Requirements
  (OPR) [N]|5.410.2.1||||| |DIVISION 5.4
  Material
  Conservation
  and Resource
  Efficiency
  (continued)|Mandatory|Basis of Design (BOD) [N]|5.410.2.2|||||

  2025 CALIFORNIA GREEN BUILDING STANDARDS CODE APPENDIX A5-45

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  APPENDIX A5 — NONRESIDENTIAL VOLUNTARY MEASURES

  CHAPTER 5 DIVISIONS	Col2	SECTION TITLE	CODE SECTION	Y	N/A	O	PLAN SHEET, SPEC OR ATTACH
  (continued) DIVISION 5.4 Material Conservation and Resource Efficiency	Mandatory	Commissioning plan [N]	5.410.2.3
  (continued) DIVISION 5.4 Material Conservation and Resource Efficiency	Mandatory	Functional performance testing [N]	5.410.2.4
  (continued) DIVISION 5.4 Material Conservation and Resource Efficiency	Mandatory	Documentation and training [N]	5.410.2.5
  (continued) DIVISION 5.4 Material Conservation and Resource Efficiency	Mandatory	Systems manual [N]	5.410.2.5.1
  (continued) DIVISION 5.4 Material Conservation and Resource Efficiency	Mandatory	Systems operation training [N]	5.410.2.5.2
  (continued) DIVISION 5.4 Material Conservation and Resource Efficiency	Mandatory	Commissioning report [N]	5.410.2.6
  (continued) DIVISION 5.4 Material Conservation and Resource Efficiency	Mandatory	Testing and adjusting for new buildings < 10,000 sf or new systems that serve additions or alterations [A]	5.410.4
  (continued) DIVISION 5.4 Material Conservation and Resource Efficiency	Mandatory	System testing plan for renewable energy, landscape irrigation and water reuse [A]	5.410.4.2
  (continued) **DIVISION 5.

• CALGreen § 8-15 High 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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  COMPLIANCE FORMS, WORKSHEETS AND REFERENCE MATERIAL

  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 § 8-27 High relevance — show source text

  ITEM #	BOD ITEMS	PAGE NUMBER IN BOD DOCUMENT
  	RENEWABLE ENERGY SYSTEMS (IF ANY)
  1	Narrative description of system (i.e., system type(s), location, inverter type, control type, performance, efficiency, energy savings, payback period, other)
  2	Description of how the system meets requirements listed in OPR
  3	Reasons for system selection, as opposed to alternatives (e.g., performance, efficiency, reliability, flexibility, simplicity, expandability, cost, payback period, etc.)
  4	Renewable energy system generation calculations: sizing calculation method, assumptions and results
  	LANDSCAPE IRRIGATION SYSTEMS
  5	Narrative description of system (i.e. system type(s), location, control type, performance, efficiency, water savings, other)
  6	Description of how the system meets requirements in OPR
  7	Reasons for system selection, as opposed to alternatives (e.g., performance, efficiency, reliability, flexibility, cost, utility company incentives, etc.)
  8	Landscape irrigation system calculations: sizing calculation method, assumptions and results
  	WATER REUSE SYSTEM (IF ANY)
  11	Narrative description of system (i.e., system type(s), location, space requirements, equipment requirements, control type, performance, efficiency, potable water savings, payback period, other)
  12	Description of how the system meets requirements in OPR
  13	Reasons for system selection, as opposed to alternatives (e.g., performance, efficiency, reliability, flexibility, simplicity, cost, payback period, etc.)
  14	Water reuse system calculations: sizing calculation method, assumptions and results

  Architect/Engineer/Designer Acknowledgement I hereby acknowledge the Basis of Design (BOD) document has been completed and meets the Owner’s Project Requirements (OPR).	Col2	Col3	Col4	Col5
  	Name	License Number	Signature	Date
  Architect of Record
  Landscape Architect
  Renewable Energy System Designer
  Other (specify):

  Commissioning Agent Acknowledgment

  I have reviewed the Basis of Design (BOD) and verified that it meets the Owner’s Project Requirements (OPR):

  Name: _____________________________________________

  Company Name (if applicable): ____________________________________________

  Agent’s Signature: __________________________________ Date: ___________

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  COMPLIANCE FORMS, WORKSHEETS AND REFERENCE MATERIAL

  Cx MEASURES IN CONSTRUCTION DOCUMENTS

  COMPLIANCE FORM

  The following form may be required to be printed on the permit set of construction drawings or submitted separately.

  CALGreen Commissioning Requirement 5.410.2, Commissioning Measures in the Construction Documents

  5.410.2. Commissioning measures shall be shown in the construction documents.

  The commissioning measures shown in the construction documents include the checked elements listed below and have been approved by the owner, owner’s representative or designer of record.

  Col1	COMMISSIONING MEASURE ELEMENTS1	INCLUDED
  1.

• CALGreen § 8-17 High 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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  COMPLIANCE FORMS, WORKSHEETS AND REFERENCE MATERIAL

  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 § 5.410.2.2 High relevance — show source text

  COMPLIANCE TEMPLATE

  Documentation of the Basis of Design (BOD) is a step required for compliance with CALGreen Code, Section 5.410.2.2, for newly constructed buildings greater than 10,000 square feet. This template is a guide for use by the design team.

  1. Renewable Energy Systems

  1.1. Narrative Description of System A. [System type(s), location, inverter type, control type, performance, efficiency, energy savings, payback period] B. [Describe how system meets any special requirements listed in the Owner’s Project Requirements document.]

  1.2. Reasons for System Selection

  [Reasons that the selected renewable energy systems are a better choice than alternatives (e.g., performance, efficiency, reliability, flexibility, simplicity, expandability, cost, payback period, utility company incentives, owner preference, space constraints, cost, owner preferences, ease of maintenance, etc.)]

  1.3. Renewable Energy System Generation Calculations

  [Describe sizing calculation method, assumptions and results]

  2. Landscape Irrigation Systems

  2.1. Narrative Description of System A. [System type(s), location, control type, performance, efficiency, water savings] B. [Describe how system meets any special requirements listed in the Owner’s Project Requirements document.]

  2.2. Reasons for System Selection

  [Reasons that the selected landscape irrigation systems are a better choice than alternatives (e.g., performance, efficiency, reliability, flexibility, simplicity, expandability, cost, payback period, utility company incentives, owner preference, cost, owner preferences, ease of maintenance, etc.)]

  2.3. Landscape Irrigation System Calculations

  [Describe sizing calculation method, assumptions and results]

  3. Water Reuse Systems

  3.1. Narrative Description of System A. [System type(s), location, space requirements, equipment requirements, control type, performance, efficiency, potable water savings, payback period] B. [Describe how system meets any special requirements listed in the Owner’s Project Requirements document.]

  3.2. Reasons for System Selection

  [Reasons that the selected water reuse systems are a better choice than alternatives (e.g., performance, efficiency, reliability, flexibility, simplicity, expandability, cost, payback period, utility company incentives, owner preference, space constraints, cost, owner preferences, ease of maintenance, etc.)]

  3.3. Water Reuse System Calculations

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  COMPLIANCE FORMS, WORKSHEETS AND REFERENCE MATERIAL

  BASIS OF DESIGN (BOD)

  COMPLIANCE CHECKLIST

  [Describe sizing calculation method, assumptions and results]

  INCORPORATE THIS FORM IN THE PLANS

  Project Address: ________________________________________________________

  Permit Number: _____________________________

• CALGreen § 2.2. High relevance — show source text

  2.2. Reasons for System Selection

  [Reasons that the selected landscape irrigation systems are a better choice than alternatives (e.g., performance, efficiency, reliability, flexibility, simplicity, expandability, cost, payback period, utility company incentives, owner preference, cost, owner preferences, ease of maintenance, etc.)]

  2.3. Landscape Irrigation System Calculations

  [Describe sizing calculation method, assumptions and results]

  3. Water Reuse Systems

  3.1. Narrative Description of System A. [System type(s), location, space requirements, equipment requirements, control type, performance, efficiency, potable water savings, payback period] B. [Describe how system meets any special requirements listed in the Owner’s Project Requirements document.]

  3.2. Reasons for System Selection

  [Reasons that the selected water reuse systems are a better choice than alternatives (e.g., performance, efficiency, reliability, flexibility, simplicity, expandability, cost, payback period, utility company incentives, owner preference, space constraints, cost, owner preferences, ease of maintenance, etc.)]

  3.3. Water Reuse System Calculations

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  COMPLIANCE FORMS, WORKSHEETS AND REFERENCE MATERIAL

  BASIS OF DESIGN (BOD)

  COMPLIANCE CHECKLIST

  [Describe sizing calculation method, assumptions and results]

  INCORPORATE THIS FORM IN THE PLANS

  Project Address: ________________________________________________________

  Permit Number: _____________________________

  ITEM #	BOD ITEMS	PAGE NUMBER IN BOD DOCUMENT
  	RENEWABLE ENERGY SYSTEMS (IF ANY)
  1	Narrative description of system (i.e., system type(s), location, inverter type, control type, performance, efficiency, energy savings, payback period, other)
  2	Description of how the system meets requirements listed in OPR
  3	Reasons for system selection, as opposed to alternatives (e.g., performance, efficiency, reliability, flexibility, simplicity, expandability, cost, payback period, etc.)
  4	Renewable energy system generation calculations: sizing calculation method, assumptions and results
  	LANDSCAPE IRRIGATION SYSTEMS
  5	Narrative description of system (i.e. system type(s), location, control type, performance, efficiency, water savings, other)
  6	Description of how the system meets requirements in OPR
  7	Reasons for system selection, as opposed to alternatives (e.g., performance, efficiency, reliability, flexibility, cost, utility company incentives, etc.)
  8	Landscape irrigation system calculations: sizing calculation method, assumptions and results
  	WATER REUSE SYSTEM (IF ANY)
  11	Narrative description of system (i.e., system type(s), location, space requirements, equipment requirements, control type, performance, efficiency, potable water savings, payback period, other)
  12	Description of how the system meets requirements in OPR
  13	Reasons for system selection, as opposed to alternatives (e.g., performance, efficiency, reliability, flexibility, simplicity, cost, payback period, etc.)
  14	Water reuse system calculations: sizing calculation method, assumptions and results

• CALGreen § 2.3 High relevance — show source text

  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.

  3.2 Compliance Method:

  Compliance is achieved by including commissioning requirements in the project specifications. The commissioning specifications should include the following:

  1. Primary (and optionally all) commissioning requirements are included in the general specification division (typically Division 1) and clear cross references of all commissioning requirements to and from the general division are included to ensure all subcontractors are held to them.

  2. A list of the systems and assemblies covered by the commissioning requirements.

  3. Roles and responsibilities of all parties, including: i. General contractor and subcontractors, vendors, construction manager ii. Commissioning provider lead

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  iii. Owner, facility staff iv. Architect and design engineers v. Include the noncontractor parties in the construction specifications (information used only to provide the contractor with context for their work).

  vi. Include who writes checklists and tests, who reviews and approves test forms, who directs tests, who executes tests, who documents test results, and who approves completed tests. These roles may vary by system or assembly.

  4. Meeting requirements

  5. Commissioning schedule management procedures

  6. Issue and noncompliance management procedures

  7. Requirements for execution and documentation of installation, checkout and start up, including controls point-to-point checks and calibrations

  8. Specific testing requirements by system, including: i. Monitoring and trending ii. Opposite season or deferred testing requirements, functions and modes to be tested

  iii. Conditions of test

• CALGreen § 8-31 High relevance — show source text

  owner, location|| |2|Building type, building area|| |3|Overall project commissioning schedule|| |4|Contact information for individual/company providing commissioning services|| ||COMMISSIONING GOALS|| |5|Meet_California Green Building Standards Code_ requirements for commissioning|| |6|Meeting OPR and BOD requirements|| |7|Carrying out requirements for commissioning activities as specified in plans and specifications|| ||SYSTEMS TO BE COMMISSIONED|| |8|Explanation of the original design intent (refer to OPR and BOD documents)|| |9|Equipment and systems to be tested, functions to be tested, conditions under which the test shall be
  performed and measurable criteria for acceptable performance|| ||COMMISSIONING TEAM INFORMATION|| |10|List of all team members and contact information (i.e. owner, owner’s representative, architect,
  engineers, designated commissioning representative and (if available): general contractor,
  subcontractors and construction manager)|| ||COMMISSIONING PROCESS ACTIVITIES, SCHEDULES and RESPONSIBILITIES|| |11|Prescribed commissioning process steps and activities to be accomplished by the Cx team throughout
  the design to occupancy|| |12|Roles and responsibilities for each member of the Cx team for each phase of the work|| |13|Required Cx deliverables, reports, forms and verifications expected at each stage of the commissioning
  effort|| |14|Confirmation process for the O&M manual, systems manual and the facility operator and maintenance
  staff training||

  1. The following systems shall be tested: renewable energy systems, landscape irrigation systems and water reuse systems.

  2025 CALIFORNIA GREEN BUILDING STANDARDS CODE 8-31

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  COMPLIANCE FORMS, WORKSHEETS AND REFERENCE MATERIAL

  FUNCTIONAL PERFORMANCE TESTING

  COMPLIANCE FORM

  CALGreen Commissioning Requirement 5.410.2.4, Functional Performance Testing

  5.410.2.4 Functional performance testing. [N] Functional performance tests shall demonstrate the correct installation and operation of each component, system and system-to-system interface in accordance with the approved plans and specifications. Functional performance testing reports shall contain information addressing each of the building components tested, the testing methods utilized, and include any readings and adjustments made.

  Test forms have been developed for each piece of commissioned equipment and system and include the checked elements listed below. These tests have been executed with deficiencies corrected.

  Col1	FUNCTIONAL TEST ELEMENTS	INCLUDED
  1.	Date and parties participating	
  2.	Signature block attesting test is complete and accurate	
  3.	Prerequisites	
  4.	Precautions	
  5.	Instrumentation required	
  6.	Reference to the source of what is being confirmed (sequences, packaged features, etc.)	
  7.	Detailed step-by-step test instructions	
  8.	Acceptance criteria	
  9.	Results	
  10.	Confirmation of returning to normal	
  11.	Deficiency list	

  ---

  Cx Coordinator Signature Date

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  COMPLIANCE FORMS, WORKSHEETS AND REFERENCE MATERIAL

• CALGreen § 8-24 High relevance — show source text

  acoustics and
  vibration|| |18|Degree of system integration, automation and functionality for controls (i.e. load shedding, demand response,
  energy management)|| ||BUILDING OCCUPANT AND O&M PERSONNEL EXPECTATIONS|| |19|Description of how the building will be operated and by whom|| |20|Level of training and orientation required to understand, operate and use the building systems for building
  operation and maintenance staff, as well as occupants|| |21|Building operation and maintenance staff location and capabilities|| ||COMMISSIONING AGENT INFORMATION|| |22|Name of commissioning agency:|| |23|Address of agency:|| |24|Contact person(s) name(s):||

  8-24 2025 CALIFORNIA GREEN BUILDING STANDARDS CODE

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  COMPLIANCE FORMS, WORKSHEETS AND REFERENCE MATERIAL

  Owner/Owner’s Representative Acknowledgement

  Owner’s Project Requirements (OPR). The expectations and requirements of the building appropriate to its phase shall be documented before the design phase of the project begins. The OPR includes the elements listed above and they have been approved by the Owner or Owner’s Representative.

  Name: _______________________________  Owner  Owner’s Representative

  Company Name (if applicable): ________________________

  Signature: ________________________ Date: ___________

  2025 CALIFORNIA GREEN BUILDING STANDARDS CODE 8-25

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

  COMPLIANCE FORMS, WORKSHEETS AND REFERENCE MATERIAL

  BASIS OF DESIGN (BOD)

  COMPLIANCE TEMPLATE

  Documentation of the Basis of Design (BOD) is a step required for compliance with CALGreen Code, Section 5.410.2.2, for newly constructed buildings greater than 10,000 square feet. This template is a guide for use by the design team.

  1. Renewable Energy Systems

  1.1. Narrative Description of System A. [System type(s), location, inverter type, control type, performance, efficiency, energy savings, payback period] B. [Describe how system meets any special requirements listed in the Owner’s Project Requirements document.]

  1.2. Reasons for System Selection

  [Reasons that the selected renewable energy systems are a better choice than alternatives (e.g., performance, efficiency, reliability, flexibility, simplicity, expandability, cost, payback period, utility company incentives, owner preference, space constraints, cost, owner preferences, ease of maintenance, etc.)]

  1.3. Renewable Energy System Generation Calculations

  [Describe sizing calculation method, assumptions and results]

  2. Landscape Irrigation Systems

  2.1. Narrative Description of System A. [System type(s), location, control type, performance, efficiency, water savings] B. [Describe how system meets any special requirements listed in the Owner’s Project Requirements document.]

  2.2. Reasons for System Selection

  [Reasons that the selected landscape irrigation systems are a better choice than alternatives (e.g., performance, efficiency, reliability, flexibility, simplicity, expandability, cost, payback period, utility company incentives, owner preference, cost, owner preferences, ease of maintenance, etc.)]

  2.3. Landscape Irrigation System Calculations