The purpose of this standard is to provide minimum requirements for the siting, design, construction, and plan for operation of high-performance green buildings to (a) balance environmental responsibility, resource efficiency, occupant comfort and well being, and community sensitivity, and (b) support the goal of development that meets the needs of the present without compromising the ability of future generations to meet their own needs.

This standard provides minimum criteria that: a. apply to the following elements of building projects: 1. new buildings and their systems 2. new portions of buildings and their systems 3. new systems and equipment in existing buildings b. address site sustainability, water use efficiency, energy efficiency, indoor environmental quality (IEQ), and the building’s impact on the atmosphere, materials, and resources.

The provisions of this standard do not apply to single-family houses, multi-family structures of three stories or fewer above grade, manufactured houses (mobile homes) and manufactured houses (modular), or buildings that use none of the following: electricity, fossil fuel, or water. This standard shall not be used to circumvent any safety, health, or environmental requirements.

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PDF Pages	PDF Title
6	FOREWORD
7	1. PURPOSE
8	2. SCOPE 2.1 This standard provides minimum criteria that: 2.2 The provisions of this standard do not apply to: 2.3 This standard shall not be used to circumvent any safety, health, or environmental requirements.
9	3. DEFINITIONS, ABBREVIATIONS, AND ACRONYMS 3.1 General. Certain terms, abbreviations, and acronyms are defined in this section for the purposes of this standard. These definitions are applicable to all sections of this standard. 3.2 Definitions
15	3.3 Abbreviations and Acronyms
17	4. ADMInisTRATION AND ENFORCEMENT 4.1 General. Building projects shall comply with Sections 4 through 11. Within each of those sections, building projects shall comply with all Mandatory Provisions (x.3); and, where offered, either
18	5. SITE SUSTAINABILITY 5.1 Scope. This section addresses requirements for building projects that pertain to site selection, site development, mitigation of heat island effect, and light pollution reduction. 5.2 Compliance. The site shall comply with Section 5.3, “Mandatory Provisions,” and either 5.3 Mandatory Provisions
20	5.4 Prescriptive Option
21	5.5 Performance Option
22	6. WATER USE EFFICIENCY 6.1 Scope. This section specifies requirements for potable water and non-potable water use efficiency, both for the site and for the building, and water monitoring. 6.2 Compliance. The water systems shall comply with Section 6.3, “Mandatory Provisions,” and either 6.3 Mandatory Provisions
24	6.4 Prescriptive Option
25	6.5 Performance Option. Calculations shall be done in accordance with generally accepted engineering standards and handbooks acceptable to the AHJ.
26	7. ENERGY EFFICIENCY 7.1 Scope. This section specifies requirements for energy efficiency for buildings and appliances, for on-site renewable energy systems, and for energy measuring. 7.2 Compliance. The energy systems shall comply with Section 7.3, “Mandatory Provisions,” and either 7.3 Mandatory Provisions 7.4 Prescriptive Option
33	7.5 Performance Option
34	8. INDOOR ENVIRONMENTAL QUALITY (IEQ) 8.1 Scope. This section specifies requirements for indoor environmental quality, including indoor air quality, environmental tobacco smoke control, outdoor air delivery monitoring, thermal comfort, building entrances, acoustic control, daylighting, a… 8.2 Compliance. The indoor environmental quality shall comply with Section 8.3, “Mandatory Provisions,” and either: 8.3 Mandatory Provisions
36	8.4 Prescriptive Option
37	8.5 Performance Option
39	9. THE BUILDING’S IMPACT ON THE ATMOSPHERE, MATERIALS, AND RESOURCES 9.1 Scope. This section specifies requirements for the building’s impact on the atmosphere, materials, and resources, including construction waste management, refrigerants, storage and collection of recyclables, and reduced impact materials. 9.2 Compliance. The building materials shall comply with Section 9.3, “Mandatory Provisions,” and either 9.3 Mandatory Provisions 9.4 Prescriptive Option
40	9.5 Performance Option
41	10. CONStructION AND PLANS FOR OPERATION 10.1 Scope. This section specifies requirements for construction and plans for operation, including the commissioning process, building acceptance testing, measurement and verification, energy use reporting, durability, transportation management, ero… 10.2 Compliance. All of the provisions of Section 10 are mandatory provisions. 10.3 Mandatory Provisions
47	10.4 Prescriptive Option. There are no prescriptive options. 10.5 Performance Option. There are no performance options.
48	11. NORMATIVE REFERENCES
56	NORMATIVE APPENDIX A PRESCRIPTIVE BUILDING ENVELOPE TABLES
75	NORMATIVE APPENDIX B PRESCRIPTIVE CONTINUOUS AIR BARRIER B1. Characteristics B2. Compliance
76	NORMATIVE APPENDIX C PRESCRIPTIVE EQUIPMENT EFFICIENCY tableS
100	NORMATIVE APPENDIX D PERFORMANCE OPTION FOR ENERGY EFFICIENCY D1. General D1.1 Performance Option Scope. This building performance option is a modification of the Energy Cost Budget (ECB) Method in Section 11 of ANSI/ASHRAE/IESNA Standard 90.1 and Appendix G of ANSI/ASHRAE/IESNA Standard 90.1. This appendix offers an alter… D1.2 Performance Option. This performance option requires conformance with the following provisions: D1.3 Trade-Off Limits. When the proposed modifications apply to less than the whole building, only parameters related to the systems to be modified shall be allowed to vary. Parameters relating to unmodified existing conditions or to future building … D1.4 Documentation Requirements. Simulated performance shall be documented, and documentation shall be submitted to the AHJ. The information submitted shall include the following: D2. Simulation General Requirements D2.1 Performance Calculations. The proposed building performance and baseline building performance shall be calculated using the following: D2.2 Simulation Program. The simulation program shall be a computer-based program for the analysis of energy consumption in buildings. The simulation program shall include calculation methodologies for the building components being modeled. For compo…
101	D2.3 Climate Data. The simulation program shall perform the simulation using hourly values of climate data, such as temperature and humidity from representative climate data, for the site in which the proposed design is to be located. For cities or u… D2.4 Energy Rates. Annual energy costs shall be determined using either actual rates for purchased energy or published state EIA Average Energy Prices for commercial building customers, but rates from different sources may not be mixed in the same pr… D2.5 Exceptional Calculation Methods. Where no simulation program is available that adequately models a design, material, or device, the AHJ may approve an exceptional calculation method to demonstrate above-standard performance using this method. Ap… D3. Calculation of the Proposed and Baseline Building Performance D3.1 Building Performance Calculations. The simulation model for calculating the proposed and baseline building performance shall be developed in accordance with the requirements in Table D3.1.
114	NORMATIVE APPENDIX E IAQ LIMIT REQUIREMENTS FOR OFFICE FURNITURE SYSTEMS AND SEATING E1. IAQ Limit Requirements E1.1 At least 95% of the total number of installed office furniture system workstations and at least 95% of the total number of seating units installed shall have emissions concentrations or factors in compliance with the following criteria as define… E1.2 At least 50% of the total number of installed office furniture system workstations and at least 50% of the total number of seating units installed shall not exceed the individual volatile organic chemical (VOC) concentration limits listed in Tab…
116	NORMATIVE APPENDIX F BUILDING CONCENTRATIONS F1. Building Concentrations
117	INFORMATIVE APPENDIX G INFORMATIVE REFERENCES
122	INFORMATIVE APPENDIX H INTEGRATED DESIGN H1. Integrated Design Process/ Integrated Project Delivery H1.1 Design Charrette. The following outlines one type of design charrette process that has resulted in successful integrated design.

Published By	Publication Date	Number of Pages
ASHRAE	2009	128


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Standard Title	ASHRAE Standard 189.1-2009 Standard for the Design of High-Performance Green Buildings (ANSI Approved; USGBC and IES Co-sponsored)
Published Code	ASHRAE
Publication Date	2009
Pages Count	128

ASHRAE 189.1 09:2009 Edition

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