LEED 2009 FOR NEW CONSTRUCTION AND MAJOR RENOVATONS ACP DOCUMENTATION GUIDANCE FOR PROJECTS OUTSIDE THE U.S. October 2011
This is a draft document and can be used only in the interim until LEED Online functionality for the ACPs is launched in the first quarter of 2012.
Introduction Registration and LEED Online ACP Conversion Tool Other Resources iii iii iv iv Sustainable Sites (SS) 1 Credit 1 Site Selection 1 Credit 3 Brownfield Redevelopment 3 Credit 4.1 Alternative Transportation Public Transportation Access 4 Credit 4.4 Alternative Transportation Parking Capacity 5 Credit 6.1 Stormwater Quantity Control 6 Credit 8 Light Pollution Reduction 7 Water Efficiency (WE) 9 Credit 1 Water Efficient Landscaping 9 Materials and Resources (MR) 11 Credit 5 Regional Materials 11 Indoor Environmental Quality (IEQ) 13 Prerequisite 1 Minimum Indoor Air Quality Performance 13 Prerequisite 2 Environmental Tobacco Smoke (ETS) Control 17 Credit 1 Outdoor Air Delivery Monitoring 18 Credit 2 Increased Ventilation 21 Credit 3.1 Construction IAQ Management Plan During Construction 24 Credit 4.3 Low-Emitting Materials Flooring Systems 25 Credit 5 Indoor Chemical and Pollutant Source Control 27 Credit 6.2 Controllability of Systems Thermal Comfort 29 Credit 7.1 Thermal Comfort Design 31 Credit 7.2 Thermal Comfort Verification 33 i
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In an effort to make achieving LEED certification more accessible to projects worldwide, the U.S. Green Building Council (USGBC) has developed a series of Alternative Compliance Paths (ACPs) for projects outside of the U.S. These ACPs have been developed with guidance from international green building experts and volunteers, and fully retain the integrity of LEED. The following document contains guidance for project teams seeking to certify projects outside of the U.S. Please note that the ACPs are optional for projects outside of the U.S. and not all credits have an ACP. Project teams may choose which credits they wish to pursue with an ACP. The ACP Documentation Guidance for Projects outside the U.S. is a working document that is designed to aid teams in documenting the use of the ACPs. This is a draft document and it will be refined and updated until the ACPs are integrated in the LEED Online Platform by the first quarter of 2012. For each credit that has an Alternative Compliance Path, this guide provides the following: Submittal Guidance: How the project team documents the ACP, either in the Credit Form located in LEED Online, or with an ACP Excel Form to be uploaded to LEED Online. Demonstrated Performance Equivalency: Guidance on how to demonstrate performance equivalency with the LEED referenced standard if a local code or standard is used. Conversions/Calculations: If Metric to Imperial (IP) conversions are required, there is a Conversion Tool that the project team may use to assist in these calculations. The conversion tool is described in detail below. Supplementary Submittal Guidance: Additional resources are outlined, such as websites for standards referenced in the ACP. Registration and LEED Online LEED Online is the primary resource with which project teams manage the LEED certification process. Once a project is registered, LEED Online is used to: Submit documentation to USGBC for review Document compliance with LEED Credit Requirements (including Alternative Compliance Paths) Coordinate resources among project team members Manage public facing project details Submit technical inquires regarding LEED credits Track progress toward LEED certification Please note that LEED Online is written in English and that all metrics used within LEED online are Imperial (IP) units. All projects are required to submit documentation in English, using Imperial units., Project teams that typically work in Metric (SI) units should use the ACP Conversion Tool to convert measurements to Imperial units. iii
Three documentation strategies were developed for the Alternative Compliance Paths. Each ACP uses one of these three strategies: Project team completes only the base LEED Credit Form located in LEED Online, using guidance located in the corresponding credit section of this document. Project team completes the ACP Form created for a specific ACP. This form is used in conjunction with the base LEED Credit Form and uploaded to LEED Online along with any other required documentation. Project team completes a special table or tool that has been developed for the ACP. This table or tool is used in conjunction with the base LEED Credit form and uploaded to LEED Online. Several ACPs allow for the use of a local standard or code that is equivalent to, or more stringent than, the standard referenced in LEED. Project teams seeking this option are required to document that the standard referenced meets the equivalency requirements. USGBC recommends that project teams submit any local equivalent standards in the design submission or during pre-certification. USGBC will use the data provided by project teams about local codes and standards in order to pre-approve these standards for use in future projects outside the U.S. ACP Conversion Tool As mentioned above, another resource for projects outside the U.S. is the ACP Conversion Tool. The ACP Conversion Tool has been developed to allow for easier conversions from Metric (SI) to Imperial (IP) as required to complete Project Information and Credit Forms in LEED Online. The ACP Conversion Tool contains the following sections: Cover Sheet- Contains applicable LEED credits and conversion types. Basic conversions from SI to IP and from IP to SI are also located here. If the project has information in SI, these can be used to in order to complete the LEED Online Credit Forms in IP. Project Information Form 2- Contains all the conversions from SI to IP needed to complete this required LEED Online form. Project Information Form 3- Contains all the conversions from SI to IP needed to complete this required LEED Online form. WE Credit 3- Contains all the conversions needed to complete the tables for water use reduction in the WE Credit 3 LEED Credit Form. Other Resources The main resource for any LEED project is the LEED Reference Guide. The LEED Reference Guide for Green Building Design and Construction covers the LEED for New Construction and Major Renovations, LEED for Core and Shell, and LEED for Schools New Construction and Major Renovations Rating Systems. The LEED Reference Guide for Green Building Operations and Maintenance covers the LEED for Existing Building Operations and Maintenance Rating System. For each prerequisite and credit the LEED Reference Guides provide information on the following: Benefits and Issues to Consider Related Credits Summary of Referenced Standards Implementation Guidance Timeline and Team Calculation Guidance iv
Documentation Guidance Examples Exemplary Performance Regional Variations Resources Definitions Although there is no information about the Alternative Compliance Paths for Projects Outside the U.S. in the LEED Reference Guides, they contain important information about the intent of all credits and prerequisites, as well as specific implementation advice that may still apply to projects pursuing ACPs. v
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SS Credit 1: Site Selection 1 Point ACP Submittal Guidance for using Alternative Compliance Paths for projects Outside the U.S. (ACP) If the ACP has been chosen for this credit, please use the Credit Form and the ACP Form located in Credit Resources, and complete the following steps: 1. Complete the address fields at the top of the Credit Form with the project information, including the latitude and longitude of the geographic center of the project. 2. Under Additional Details, check the Alternative Compliance Path box. In the associated narrative box, state 3. Complete the ACP Form with the appropriate information as applicable to demonstrate compliance. To support the ACP credit declarations, supporting documentation must be provided to demonstrate that the 7 credit criteria are met. This documentation may include items such as a scaled map, letter from a representative of the relevant overseeing agency, and/or documentation of the alternative local standard used to demonstrate equivalence. 4. For Upload SSc1-ACP in the Credit Form, once the above is complete, upload the ACP Form and all requested maps, letters, and/or any additional documents that help demonstrate compliance with the Alternative Compliance Path option. Demonstrated Performance Equivalency In order to demonstrate performance that is equivalent to local code or standard, please ensure the local code or standard has been adequately identified and the following topics are addressed: a) Definition and methodology of high-value farmland used in determining equivalency b) Definition and methodology used to evaluate the hydrogeologic risk of the project site c) The national, state, provincial, territorial or regional authority standard used to identify threatened or endangered species d) Definition and methodology used to classify wetlands as being of high ecological value e) Methodology used to determine whether a water body supports aquatic life, recreation or industrial use Conversion / Calculations If the ACP option is used for this credit, project teams can refer to the ACP Conversion Tool to convert square meters to square feet. Exemplary Performance This credit is not eligible for exemplary performance under the Innovation in Design section. Supplementary Submittal Guidance Resources and references may vary by region, please see the below list for additional guidance. 1
Websites Food and Agriculture Organization (FAO) of the United Nations, Country Profiles Page http://www.fao.org/countryprofiles/default.asp?lang=en This website provides information, including data, maps, etc., related to agricultural resources within various countries of the world. US Dept of Agriculture Natural Resources Conservation Services (NRCS), National Soil Survey Handbook Part 622 http://soils.usda.gov/technical/handbook/detailedtoc.html#622 This website provides the U.S. definition of Prime Farmland Soils. This definition could be used as a foundation for demonstrating equivalency. 2
SS Credit 3: Brownfield Redevelopment 1 Point ACP Submittal Guidance for using Alternative Compliance Paths for projects Outside the U.S. (ACP) If the ACP option has been chosen for this credit, use the Credit Form located in LEED Online, and complete the following steps: 1. Select Option 1 under ALL OPTIONS of the Credit Form. 2. Complete narrative section of the Credit Form and upload documents as requested for Upload SSc3-1 and Upload SSc3-2. 3. Under Additional Details, check the Alternative Compliance Path box. In the associated narrative box, state 4. Within the narrative box, provide the name of the contamination risk protocol used to document contamination and the name of the regulatory body responsible for the protocol. 5. For Upload SSc3-ACP, upload any additional documents that help demonstrate compliance with the Alternative Compliance Path option. Exemplary Performance This credit is not eligible for exemplary performance under the Innovation in Design section. 3
SS Credit 4.1: Alternative Transportation Public Transportation Access 6 Points ACP Submittal Guidance for using Alternative Compliance Paths for projects Outside the U.S. (ACP) If the ACP option has been chosen for this credit, please use the Credit Form and the ACP Credit Form located in Credit Resources, and complete the following steps: 1. Under Additional Details, check the Alternative Compliance Path box. In the associated narrative box, state 2. Complete the ACP Form with the appropriate information as applicable to demonstrate compliance. The project team will need the following information to complete the form: The type(s) of transit (rideshare) Number of passengers the rideshare can accommodate Confirmation that the transit operates on a continual regular basis The name of the local transit authority authorizing the rideshare The distance from the rideshare stop to the main project entrance 3. For Upload SSc4.1-ACP in the Credit Form, once the above is complete, upload the ACP Credit Form and the required site plan, with scale, showing the walking path from the project main entrance to the ride share stop(s), and any additional documents that help demonstrate compliance with the Alternative Compliance Path option. Conversion / Calculations If Credit Options 1 or 2 or the ACP Option 1 is used for this credit, project teams can refer to the ACP Conversion Tool to convert meters to feet. Exemplary Performance Project teams may earn an Innovation in Design credit for exemplary performance by complying with the requirements of the 2 options described in the LEED Reference Guide for Green Building Design and Construction. The options are Option 1 Comprehensive Transportation Management Plan and Option 2 Double Transit Ridership. For either option, use the Credit Form located in LEED Online to document compliance. If Option 2 Double Transit Ridership is selected and is based on the Alternative Compliance Path rideshare option, please complete the Credit Form located in LEED Online as follows: 1. Under Additional Details, select the check box for exemplary performance and then check the box for Option 2 Double Transit Ridership. 2. Complete Table SSc4.1-4 Exemplary Performance Bus Service with information based on the rideshare options identified in the ACP Form. 3. or the Distance to Bus Stop column use the ACP Conversion Tool to convert meters to miles. 4. For the Service Type Column, select other and specify the type of transit identified in the ACP Credit Form. 4
SS Credit 4.4: Alternative Transportation Parking Capacity 2 Points ACP Submittal Guidance for using Alternative Compliance Paths for projects Outside the U.S. (ACP) If the ACP option has been chosen for this credit, please use the Credit Form and the ACP Form located in Credit Resources, and complete the following steps: 1. Under Additional Details, check the Alternative Compliance Path box. In the associated narrative box, state 2. Complete the ACP Form with the appropriate information as applicable to demonstrate compliance. 3. For Upload SSc4.4-ACP in the Credit Form, once the above is complete, upload the ACP Form, a letter or copy of the development control rules that states that there are no minimum parking requirements, a site plan, and any additional documents that help demonstrate compliance with the Alternative Compliance Path option. Conversion / Calculations If the ACP is used for this credit, project teams can refer to the ACP Conversion Tool to convert square meters to square feet. Exemplary Performance Projects may earn an Innovation in Design credit point for exemplary performance by instituting a comprehensive transportation management plan that demonstrates a quantifiable reduction in personal automobile use. Only 1 exemplary performance credit is available for implementing a comprehensive transportation management plan under SSc4, Alternative Transportation. Projects that are awarded exemplary performance for SS Credit 4.1, Alternative Transportation - Public Transportation Access, Option 2 are not eligible for exemplary performance under this credit. Please complete the exemplary performance portion of the Credit Form located in LEED Online to document compliance. 5
SS Credit 6.1: Stormwater Quantity Control 1 Point ACP Submittal Guidance for using Alternative Compliance Paths for projects Outside the U.S. (ACP) If the ACP option has been chosen for this credit, please use the Credit Form and the ACP Form located in Credit Resources, and complete the following steps: 1. Under Additional Details, check the Alternative Compliance Path box. In the associated narrative box, state 2. Complete the ACP Form with the appropriate information as applicable to demonstrate compliance. 3. The methodology for creating the graph requested in Upload SSc6.1-1 in the ACP Form is detailed on page 24 of the United States Environmental Protection Agency s Technical Guidance on Implementing the Stormwater Runoff Requirements for Federal Projects under Section 438 of the Energy Independence and Security Act. 4. For Upload SSc6-ACP in the Credit Form, once the above is complete, upload the ACP Form, the additional required documents noted in the ACP Form, and any additional documents that help demonstrate compliance with the Alternative Compliance Path option. Exemplary Performance No standardized exemplary performance option has been established for this credit. However, project teams may apply for exemplary performance by documenting a comprehensive approach to capture and treat stormwater runoff and demonstrating performance above and beyond the credit requirements. Only 1 exemplary performance credit may be achieved for SS Credit 6.1, Stormwater Design Quantity Control, and SS Credit 6.2, Stormwater Design Quality Control. Supplementary Submittal Guidance Resources and references may vary by region, please see the below list for additional guidance. Websites Technical Guidance on Implementing the Stormwater Runoff Requirements for Federal Projects under Section 438 of the Energy Independence and Security Act http://www.epa.gov/greeningepa/documents/epa_swm_guidance.pdf This document provides detailed methodology for calculation the 95 th percentile rainfall event (see page 22). Low Impact Development Center http://www.lowimpactdevelopment.org/ The Low Impact Development Center was established in 1998 to develop and provide information to individuals and organizations dedicated to protecting the environment and our water resources through proper site design techniques that replicate pre-existing hydrologic site conditions. 6
SS Credit 8: Light Pollution Reduction 1 Point ACP Submittal Guidance for using Alternative Compliance Paths for projects Outside the U.S. (ACP) If the ACP Option has been chosen for this credit, please use the Credit Form located in LEED Online, and complete the following steps: 1. Complete all sections of the Credit Form as applicable to demonstrate compliance. 2. Under Exterior Lighting, please use the allowable lighting power densities outlined in the Alternative Compliance Path option to complete the ASHRAE Allowable LPD column in Table SSc8-1 and Table SSc8-2. 3. For Upload SSc8-6, the project team can use point-by-point foot candles at 3 meters and 4.5 meters instead of 10 feet and 15 feet respectively, as listed on the Credit Form. 4. Under Additional Details, check the Alternative Compliance Path box. In the associated narrative box, state 5. For Upload SSc8-ACP, upload any additional documents that help demonstrate compliance with the Alternative Compliance Path option. Conversion / Calculations If the ACP option is used for this credit, project teams can refer to the ACP Conversion Tool to convert meters to feet. Exemplary Performance This credit is not eligible for exemplary performance under the Innovation in Design section. 7
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WE Credit 1: Water Efficient Landscaping 2-4 Points ACP Submittal Guidance for using Alternative Compliance Paths for projects Outside the U.S. (ACP) If ACP Option 1 or Option 2 has been chosen for this credit, please use the Credit Form located in LEED Online, and complete the following steps: 1. Complete all sections of the Credit Form as applicable to demonstrate compliance. 2. Under All Options, for ACP Option 1 or Option 2 Path 1, select declaration stating The landscaping and irrigation systems have been designed to reduce irrigation water consumption from a calculated baseline case. 3. Under Irrigation Water Consumption Reduction, enter the reference evapotranspiration rate (ETo). The ETo figure entered must be the month with the highest evapotranspiration rate. 4. Under All Options, if ACP Option 2, Path 2 is used, select the declaration stating The landscaping installed does not require permanent irrigation systems. Temporary irrigation systems used for plant establishment will be removed within one year of installation and provide the requested narrative. 5. Under Additional Details, check the Alternative Compliance Path box. In the associated narrative box, state 6. Within the narrative box, please provide detail on how the month with the highest evapotranspiration rate was determined, citing any references relating to this. 7. For Upload WEc1-ACP, upload the reference document or other supporting documentation that was used to determine the month with the highest evapotranspiration rate. Conversion / Calculations If ACP Option 1 is used for this credit project teams can refer to the ACP Conversion Tool to convert meters to feet and liters to gallons. Exemplary Performance This credit is not eligible for exemplary performance under the Innovation in Design section. Supplementary Submittal Guidance Resources and references may vary by region, please see the below list for additional guidance. Websites International Water Management Institute http://www.iwmi.cgiar.org/watlas/default.aspx This website provides monthly evapotranspiration data worldwide. 9
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MR Credit 5: Regional Materials 1-2 Points ACP Submittal Guidance for using Alternative Compliance Paths for projects Outside the U.S. (ACP) If ACP Option 2 has been chosen for this credit, please use the Credit Form and the ACP Regional Materials Calculator located in Credit Resources, and complete the following steps: 1. Complete all columns with applicable material data for local and regional materials in the Credit Form as applicable to demonstrate compliance. The ACP Regional Materials Calculator will be used to determine the values for regional distances (see step 3) and to determine if the product is compliant with the regional criteria. 2. Under Additional Details, check the Alternative Compliance Path box. In the associated narrative box, state 3. Complete the ACP Regional Materials Calculator with the appropriate information as applicable to demonstrate compliance. 4. For Upload MRc5-ACP in the Credit Form, upload the completed ACP Regional Materials Calculator. 5. For Upload MRc5-1 in the Credit Form, upload the required documentation from product manufacturers or suppliers verifying product compliance with the specified sustainability criteria (minimum 20%, by cost). Conversion / Calculations If ACP Option 1 is used for this credit project teams can refer to the ACP Conversion Tool to convert kilometers to miles. Exemplary Performance Project teams may earn an Innovation in Design credit for exemplary performance by achieving a total value of regionally harvested, extracted, and manufactured materials of 30% or more. 11
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IEQ Prerequisite 1: Minimum Indoor Air Quality Performance Required ACP Submittal Guidance for using Alternative Compliance Paths for projects Outside the U.S. (ACP) ACP Option 1 If ACP Option 1 (using the CEN standards) has been chosen for this credit, please use the Credit Form located in LEED Online, and complete the following steps: 1. Complete all sections of the Credit Form as applicable to demonstrate compliance. 2. Under All Options, identity all scenarios applicable to the project. 3. Under Mechanical Ventilation, check the box with the declaration of Mechanical ventilation systems are designed using local code, which is more stringent than the ASHRAE Standard 62.1-2007 Ventilation Rate Procedure. 4. For Upload IEQp1-1, upload the ventilation rate calculations for all applicable spaces including the design outdoor ventilation rate based on the requirements of Annex B of Comité Européen de Normalisation (CEN) Standard EN 15251, Indoor environmental input parameters for design and assessment of energy performance of buildings addressing indoor air quality, thermal environment, lighting and acoustics; and the requirements of CEN Standard EN 13779, Ventilation for nonresidential buildings, Performance requirements for ventilation and room conditioning systems. Project teams may also elect to use the corresponding table, Table IEQp1-4, if deemed appropriate to document the calculations to the standards above. 5. Under Natural Ventilation, project teams may elect to use the corresponding table Table L-17, if deemed appropriate to document the calculations to the standards above or another local standard; or provide an alternative table or calculations. If an alternative table or calculations is more appropriate, upload this information under Upload IEQp1-ACP, noted below. If approved by a local authority, check the box with the declaration of The space is an engineered natural ventilation system approved by the authority having jurisdiction. The project takes an exception to the prescriptive requirements of ASHRAE Standard 62.1-2007 sections 5.1.1 and 5.1.2 and for Upload IEQp1-2, upload the approval letter or document validating approval of the system, and for Upload L-14, as needed, upload the graphic and numeric summary of the airflow analysis. 6. Under Additional Details, check the Alternative Compliance Path box. In the associated narrative box, state 7. For Upload IEQp1-ACP, upload, as needed, alternative tables or calculations, or any additional documents that help demonstrate compliance with the Alternative Compliance Path option. ACP Option 2 If ACP Option 2 (using the local standard) has been chosen for this credit, please use the Credit Form located in LEED Online, and complete the following steps: 1. Complete all sections of the Credit Form as applicable to demonstrate compliance. 2. Under All Options, identity all scenarios applicable to the project. 3. Under Mechanical Ventilation, check the box with the declaration of Mechanical ventilation systems are designed using local code, which is more stringent than the ASHRAE Standard 62.1-2007 Ventilation Rate Procedure. 13
4. For Upload IEQp1-1, upload the local standard requirements, comparison of the local standard to the ASHRAE Standard 62.1-2007 Ventilation Rate Procedure, and ventilation rate calculations including the design outdoor ventilation rate. Project teams may also elect to use the corresponding table, Table IEQp 1-4, if deemed appropriate to document the calculations to the standard above. 5. Under Natural Ventilation, project teams may elect to use the corresponding table, Table L-17, if deemed appropriate to document the calculations to the local standard; or provide an alternative table or calculations. If an alternative table or calculations is more appropriate, upload this information under Upload IEQp1-ACP, noted below. If approved by a local authority, check the box with the declaration of The space is an engineered natural ventilation system approved by the authority having jurisdiction. The project takes an exception to the prescriptive requirements of ASHRAE Standard 62.1-2007 sections 5.1.1 and 5.1.2 and for Upload IEQp1-2, upload the approval letter or document validating approval of the system, and for Upload L-14, as needed, upload the graphic and numeric summary of the airflow analysis. 6. Under Additional Details, check the Alternative Compliance Path box. In the associated narrative box, state 7. For Upload IEQp1-ACP upload a narrative identifying the local standard and a summary description of how the local standard is equivalent to the ASHRAE Standard 62.1-2007, Sections 4 through 7 (with errata but not addenda) for each applicable section, and for naturally ventilated spaces, demonstrate equivalency to the ASHRAE Standard 62.1-2007, Paragraph 5.1 (with errata but not addenda). As needed, upload alternative tables or calculations, or any additional documents that help demonstrate compliance with the Alternative Compliance Path option. Demonstrated Performance Equivalency For Option 2 using a local standard, in order to demonstrate performance that is equivalent to the requirements in the ASHRAE Standard 62.1-2007, Sections 4 through 7 (with errata but not addenda) and ASHRAE Standard 62.1-2007, Paragraph 5.1 (with errata but not addenda), please ensure the local standard has been adequately identified and the following topics are addressed in the local standard: Outdoor Air Quality addressing: Regional air quality Local air quality Approach to documentation Systems and Equipment, addressing considerations such as: Natural ventilation Ventilation air distribution Exhaust duct location Ventilation system controls Airstream surfaces Outdoor air intakes Local capture of contaminants Combustion air Particulate matter removal 14
Dehumidification systems Drain pans Finned-tube coils and heat exchangers Humidifiers and water-spray systems Access for inspection, cleaning, and maintenance Building envelope and interior surfaces Buildings with attached parking garages Air classification and recirculation Requirements for buildings containing Environmental Tobacco Smoke (ETS) areas and ETS-free areas. Ventilation rate and Indoor Air Quality (IAQ) Procedures, addressing: Outdoor air treatment Zone calculations Single-zone systems 100% outdoor air systems Multiple-zone recirculation systems Design for varying operating conditions Dynamic resetexhaust ventilation Ventilation in smoking areas Contaminant sources and concentration Perceived Indoor Air Quality Design approaches Documentation Design documentation procedures. Construction and System Start-Up, addressing: Application Documentation. Additionally, to demonstrate equivalency with the ventilation rate procedure (VRP) methodology found in Section 6.2 of ASHRAE Standard 62.1-2007, the local standard must also address the requirements for: Zone calculations, including breathing zone outdoor airflow; zone air distribution effectiveness; and zone outdoor airflow. Single-zone systems. 100% outdoor air Systems Multiple-zone recirculation systems, including primary outdoor air fraction; system ventilation efficiency; uncorrected outdoor air intake; occupant diversity; and outdoor air intake. 15
Exemplary Performance This prerequisite is not eligible for exemplary performance under the Innovation in Design section. Supplementary Submittal Guidance Resources and references may vary by region, please see the below list for additional guidance. Websites Comité Européen de Normalisation, (CEN, the European Committee for Standardization, Europäisches Komitee für Normung) Comité Européen de Normalisation (CEN) Standard EN15251 Indoor environmental input parameters for design and assessment of energy performance of buildings addressing indoor air quality, thermal environment, lighting and acoustics Comité Européen de Normalisation (CEN) Standard EN 13779, Ventilation for non residential buildings - Performance requirements for ventilation and room conditioning systems http://www.cen.eu To order: http://www.cen.eu/cen/nts/buying/pages/default.aspx CEN, the European Committee for Standardization (Comité Européen de Normalisation, Europäisches Komitee für Normung), is an international non-profit organization set up under Belgian law. Through its services, it provides a platform for the development of European Standards (ENs) and other consensus documents. Chartered Institution of Building Services Engineers (CIBSE) Applications Manual AM10: 2005 Natural ventilation in non-domestic buildings http://www.cibse.org/index.cfm?go=publications.view&item=297 CIBSE supports the science, art and practice of building services engineering, by providing members and the public with first class information and education services and promoting the spirit of fellowship. AM10 offers guidance to designers and users of naturally ventilated buildings. Comprehensive Assessment System for Building Environmental Efficiency (CASBEE) for New Construction, Technical Manual 2008 Edition, Section 4.2.2, Natural Ventilation Performance http://www.ibec.or.jp/casbee/english/download.htm The CASBEE system aids the environmental performance assessment of buildings in Japan. Section 4.2.2, Natural Ventilation Performance, of the CASBEE for New Construction, Technical Manual 2008 Edition, addresses natural ventilation issues in buildings. 16
IEQ Prerequisite 2: Environmental Tobacco Smoke (ETS) Control Required ACP Submittal Guidance for using Alternative Compliance Paths for projects Outside the U.S. (ACP) If ACPoption for Case 2 has been chosen for this credit, please use the Credit Form located in LEED Online, and complete the following steps: 1. Complete all sections of the Credit Form as applicable to demonstrate compliance. 2. Under Additional Details, check the Alternative Compliance Path box. In the associated narrative box, state 3. For Upload IEQp2-ACP, upload a narrative identifying the local standard and a summary description of how the local standard is equivalent to the ANSI/ASTM-E779-03, Standard Test Method for Determining Air Leakage Rate By Fan Pressurization. Demonstrated Performance Equivalency In order to demonstrate performance that is equivalent to the ANSI/ASTM-E779-03, Standard Test Method for Determining Air Leakage Rate By Fan Pressurization, please ensure the local standard has been adequately identified and the following topics are addressed in the local standard: The test method must specify a standardized technique for measuring air leakage rates through the building envelope under controlled pressurization and depressurization, not under normal conditions of weather and building operation. The test should be conducted with small temperature differentials and low-wind pressure conditions. Avoid testing during strong winds and large indoor-outdoor temperature differentials. The test method should produce a measure of the building envelope s air tightness. If the test method is intended to measure the air tightness of building envelopes of single zone buildings, many multi-zone buildings can be treated as single-zone buildings by opening interior doors or by inducing equal pressures in adjacent zones. Exemplary Performance This prerequisite is not eligible for exemplary performance under the Innovation in Design section. 17
IEQ Credit 1: Outdoor Air Delivery Monitoring 1 Point ACP Submittal Guidance for using Alternative Compliance Paths for projects Outside the U.S. (ACP) ACP Case 1, Option 1 If ACP Case 1 Mechanically Ventilated Spaces, Option 1 (using the CEN standards) has been chosen for this credit, please use the Credit Form located in LEED Online, and complete the following steps: 1. Complete all sections of the Credit Form as applicable to demonstrate compliance. 2. Under All Options, identity all scenarios applicable to the project. If there are naturally ventilated spaces, see the following section for guidance on documenting this. 3. Under Mechanical Ventilation, identify all space types applicable to the project, and complete each relevant section for each space type selected. 4. Under Densely Occupied Spaces, complete the corresponding table, the declaration and as needed, upload floor plans in support of credit compliance. 5. Under Non-densely Occupied Spaces, complete the corresponding table, the declaration and for Upload IEQc1-1, upload the controls drawing sample, and a narrative describing the device capability, as defined by the Comité Européen de Normalisation (CEN) Standard EN 15251 (CEN), Indoor environmental input parameters for design and assessment of energy performance of buildings addressing indoor air quality, thermal environment, lighting and acoustics; and the requirements of CEN Standard EN 13779, Ventilation for nonresidential buildings, Performance requirements for ventilation and room conditioning systems. 6. Under Additional Details, check the Alternative Compliance Path box. In the associated narrative box, state ACP Case 1, Option 2 If ACP Case 1 Mechanically Ventilated Spaces, Option 2 (using the local standard) has been chosen for this credit, please use the Credit Form located in LEED Online, and complete the following steps: 1. Complete all sections of the Credit Form as applicable to demonstrate compliance. 2. Under All Options, identity all scenarios applicable to the project. If there are naturally ventilated spaces, see the following section for guidance on documenting this. 3. Under Mechanical Ventilation, identify all space types applicable to the project. 4. Under Densely Occupied Spaces, complete the corresponding table, the declaration and as needed, and upload floor plans in support of credit compliance. 5. Under Non-densely Occupied Spaces, complete the corresponding table, the declaration and for Upload IEQc1-1, upload the controls drawing sample, and a narrative describing the device capability, as defined by the local standard. 6. Under Additional Details, check the Alternative Compliance Path box. In the associated narrative box, state 18
7. For Upload IEQc1-ACP, upload a narrative identifying the local standard and a summary description of how the local standard is equivalent to the ASHRAE Standard 62.1-2007 (with errata but not addenda) for defining direct outdoor airflow measurement devices, to help demonstrate compliance with the Alternative Compliance Path option. ACP Case 2 If ACP Case 2 Naturally Ventilated Spaces has been chosen for this credit, please use the Credit Form located in LEED Online, and complete the following steps: 1. Complete all sections of the Credit Form as applicable to demonstrate compliance. 2. Under Natural Ventilation, complete the corresponding table, the declaration and as needed, upload floor plans in Upload L-1 in support of credit compliance. 3. Under Additional Details, check the Alternative Compliance Path box. In the associated narrative box, state Demonstrated Performance Equivalency See IEQ Prerequisite 1: Minimum Indoor Air Quality Performance for guidance on demonstrating performance that is equivalent to the requirements in the ASHRAE Standard 62.1-2007 (with errata but not addenda) for the local standard. Exemplary Performance This credit is not eligible for exemplary performance under the Innovation in Design section. Supplementary Submittal Guidance Resources and references may vary by region, please see the below list for additional guidance. Websites Comité Européen de Normalisation, (CEN, the European Committee for Standardization, Europäisches Komitee für Normung) Comité Européen de Normalisation (CEN) Standard EN15251 Indoor environmental input parameters for design and assessment of energy performance of buildings addressing indoor air quality, thermal environment, lighting and acoustics Comité Européen de Normalisation (CEN) Standard EN 13779, Ventilation for non residential buildings - Performance requirements for ventilation and room conditioning systems http://www.cen.eu To order: http://www.cen.eu/cen/nts/buying/pages/default.aspx CEN, the European Committee for Standardization (Comité Européen de Normalisation, Europäisches Komitee für Normung), is an international non-profit organization set up under Belgian law. Through its services, it provides a platform for the development of European Standards (ENs) and other consensus documents. Chartered Institution of Building Services Engineers (CIBSE) Applications Manual AM10: 2005 Natural ventilation in non-domestic buildings http://www.cibse.org/index.cfm?go=publications.view&item=297 CIBSE supports the science, art and practice of building services engineering, by providing members and the public 19
with first class information and education services and promoting the spirit of fellowship. AM10 offers guidance to designers and users of naturally ventilated buildings. Comprehensive Assessment System for Building Environmental Efficiency (CASBEE) for New Construction, Technical Manual 2008 Edition, Section 4.2.2, Natural Ventilation Performance http://www.ibec.or.jp/casbee/english/download.htm The CASBEE system aids the environmental performance assessment of buildings in Japan. Section 4.2.2, Natural Ventilation Performance, of the CASBEE for New Construction, Technical Manual 2008 Edition, addresses natural ventilation issues in buildings. 20
IEQ Credit 2: Increased Ventilation 1 Point ACP Submittal Guidance for using Alternative Compliance Paths for projects Outside the U.S. (ACP) The documentation of this credit is linked to the documentation of IEQ Prerequisite 1 Minimum Indoor Air Quality Performance, and the completion of that corresponding Credit Form is necessary prior to completing this credit. The ventilation rate calculations submitted for IEQ Prerequisite 1 must demonstrate a 30% increase above the minimum rates at the breathing zone in order for this credit to be applicable. ACP Case 1, Option 1 If ACP Case 1 Mechanically Ventilated Spaces, Option 1 (using the CEN standards) has been chosen for this credit, please use the Credit Form located in LEED Online, and complete the following steps: 1. Complete all sections of the Credit Form as applicable to demonstrate compliance. If ventilation rate calculations were already submitted for IEQ Prerequisite 1 demonstrating compliance, no additional documentation is required. 2. Under Additional Details, check the Alternative Compliance Path box. In the associated narrative box, state ACP Case 1, Option 2 If ACP Case 1 Mechanically Ventilated Spaces, Option 2 (using local standard) has been chosen for this credit, please use the Credit Form located in LEED Online, and complete the following steps: 1. Complete all sections of the Credit Form as applicable to demonstrate compliance. If ventilation rate calculations were already submitted for IEQ Prerequisite 1 demonstrating compliance with this credit, no additional documentation is required. 2. Under Additional Details, check the Alternative Compliance Path box. In the associated narrative box, state 3. For Upload IEQc2-ACP, if not already submitted for IEQ Prerequisite 1, upload a narrative identifying the local standard and a summary description of how the local standard is equivalent to the ASHRAE Standard 62.1-2007, Sections 4 through 7 (with errata but not addenda) for each applicable section to help demonstrate compliance with the Alternative Compliance Path option. ACP Case 2, Option 1 If ACP Case 2 Naturally Ventilated Spaces, Option 1 Recommendations from a CIBSE manual (using local standard) has been chosen for this credit, please use the Credit Form located in LEED Online, and complete the following steps: 1. Complete all sections of the Credit Form as applicable to demonstrate compliance. 2. Select Path 1 CIBSE Applications Manual 10: 2005, Natural Ventilation in Nondomestic Buildings or Path 2 CIBSE Applications Manual 13: 2000, Mixed Mode Ventilation, or both as applicable. 3. If using Path 1, for Upload IEQc2-2, upload diagrams and calculations to demonstrate that the design of the natural ventilation systems meets the recommendations set forth in the local standards, and is comparable to the requirements of CIBSE Applications Manual 10: 2005, Natural Ventilation in Non-domestic Buildings. 21
4. If using Path 2, for Upload IEQc2-3, upload documentation to demonstrate that the design of the natural ventilation systems meets the recommendations set forth in the local standard, and is comparable to the requirements of the CIBSE Applications Manual 13: 2000, Mixed Mode Ventilation. 5. Under Additional Details, check the Alternative Compliance Path box. In the associated narrative box, state 6. For Upload IEQc2-ACP, upload a narrative identifying the local standard and a summary description of how the local standard is equivalent to the respective CISBE manuals. As needed, upload alternative tables or calculations, or any additional documents that help demonstrate compliance with the Alternative Compliance Path option. ACP Case 2, Option 2 If ACP Case 2 Naturally Ventilated Spaces, Option 2 Minimum ventilation rates from ASHRAE Standard 62.1-2007 (using local standard) has been chosen for this credit, please use the Credit Form located in LEED Online, and complete the following steps: 1. Complete all sections of the Credit Form as applicable to demonstrate compliance. 2. If the system was approved by a local authority, and the analysis provided for IEQ Prerequisite 1 sufficiently demonstrates compliance to this credit, no additional documentation is required. If the documentation does not adequately address this credit s requirements, complete the corresponding table, Table L-17, or if an alternative table, calculations or analysis is more appropriate, upload this information under Upload IEQc2- ACP, noted below. 3. Under Additional Details, check the Alternative Compliance Path box. In the associated narrative box, state 4. For Upload IEQc2-ACP, upload a narrative identifying the local standard and a summary description of how the local standard is equivalent to the ASHRAE 62.1-2007, Chapter 6 (with errata but without addenda). As needed, upload alternative tables or calculations, or any additional documents that help demonstrate compliance with the Alternative Compliance Path option. Demonstrated Performance Equivalency See IEQ Prerequisite 1: Minimum Indoor Air Quality Performance for guidance on demonstrating performance that is equivalent to the requirements in the ASHRAE Standard 62.1-2007, Sections 4 through 7 (with errata but not addenda) for the local standard. For Case 2 using a local standard, in order to demonstrate performance that is equivalent to the requirements in the CISBE Manuals, Applications Manual 10: 2005, Natural Ventilation in Non-domestic Buildings and Applications Manual 13: 2000, Mixed Mode Ventilation, please ensure the local standard has been adequately identified and the following topics are addressed: Envelope flow models, including guidance on single-cell envelope flow models, multi-cell envelope flow models, unsteady envelope flow models, and non-dimensional graphs. Computational fluid dynamics (CFD), including guidance on calculating velocity and temperature fields in rooms and single-cell buildings or multi-cell buildings; surface wind pressure distributions on buildings, whole-field calculations, and flow through components. 22
Combined thermal and ventilation models. Physical scale models, including wind tunnel testing or modeling with liquids. Exemplary Performance This credit is not eligible for exemplary performance under the Innovation in Design section. Supplementary Submittal Guidance Resources and references may vary by region, please see the below list for additional guidance. Websites Comité Européen de Normalisation, (CEN, the European Committee for Standardization, Europäisches Komitee für Normung) Comité Européen de Normalisation (CEN) Standard EN15251 Indoor environmental input parameters for design and assessment of energy performance of buildings addressing indoor air quality, thermal environment, lighting and acoustics Comité Européen de Normalisation (CEN) Standard EN 13779, Ventilation for non residential buildings - Performance requirements for ventilation and room conditioning systems http://www.cen.eu To order: http://www.cen.eu/cen/nts/buying/pages/default.aspx CEN, the European Committee for Standardization (Comité Européen de Normalisation, Europäisches Komitee für Normung), is an international non-profit organization set up under Belgian law. Through its services, it provides a platform for the development of European Standards (ENs) and other consensus documents. Chartered Institution of Building Services Engineers (CIBSE) Applications Manual AM10: 2005 Natural ventilation in non-domestic buildings http://www.cibse.org/index.cfm?go=publications.view&item=297 CIBSE supports the science, art and practice of building services engineering, by providing members and the public with first class information and education services and promoting the spirit of fellowship. AM10 offers guidance to designers and users of naturally ventilated buildings. Comprehensive Assessment System for Building Environmental Efficiency (CASBEE) for New Construction, Technical Manual 2008 Edition, Section 4.2.2, Natural Ventilation Performance http://www.ibec.or.jp/casbee/english/download.htm The CASBEE system aids the environmental performance assessment of buildings in Japan. Section 4.2.2, Natural Ventilation Performance, of the CASBEE for New Construction, Technical Manual 2008 Edition, addresses natural ventilation issues in buildings. 23
IEQ Credit 3.1: Construction IAQ Management Plan During Construction 1 Point ACP Submittal Guidance for using Alternative Compliance Paths for projects Outside the U.S. (ACP) If the ACP option has been chosen for this credit, please use the Credit Form and the ACP Form located in Credit Resources, and complete the following steps: 1. Complete all sections of the Credit Form as applicable to demonstrate compliance. 2. Under Additional Details, check the Alternative Compliance Path box. In the associated narrative box, state 3. Complete the ACP Form with the appropriate information as applicable to demonstrate compliance. 4. For Upload IEQc3.1-ACP in the Credit Form, once the above is complete, upload the ACP Form and any additional supporting documentation demonstrating filtration equivalency. Demonstrated Performance Equivalency In order to demonstrate performance that is equivalent to media with a minimum efficiency reporting value (MERV) of 8 or higher, please ensure that the documentation provided demonstrates that the filtration media meets one of the two alternatives below: a) Equivalent filtration media Class F5 or higher, as defined by CEN Standard EN 779 2002, Particulate air filters for general ventilation, Determination of the filtration performance. b) Equivalent filtration media with a minimum duct spot efficiency of 30% or higher and greater than 90% arrestance on a particle size of 3 10 μg. The comparison table under the Supplementary Submittal Guidance section can be used as a reference for determining equivalency. Exemplary Performance This credit is not eligible for exemplary performance under the Innovation in Design section. Supplementary Submittal Guidance Resources and references may vary by region, please see the below list for additional guidance. Websites Comité Européen de Normalisation, (CEN, the European Committee for Standardization, Europäisches Komitee für Normung) Comité Européen de Normalisation (CEN) Standard EN 779, Particulate air filters for general ventilation - Determination of the filtration performance http://www.cen.eu To order: http://www.cen.eu/cen/nts/buying/pages/default.aspx CEN, the European Committee for Standardization (Comité Européen de Normalisation, Europäisches Komitee für Normung), is an international non-profit organization set up under Belgian law. Through its services, it provides a platform for the development of European Standards (ENs) and other consensus documents. 24
IEQ Credit 4.3: Low-Emitting Materials Flooring Systems 1 Point ACP Submittal Guidance for using Alternative Compliance Paths for projects Outside the U.S. (ACP) If the ACP option has been chosen for this credit, please use the Credit Form and the ACP Form located in Credit Resources, and complete the following steps: 1. Complete all sections of the Credit Form as applicable to demonstrate compliance. 2. Under Additional Details, check the Alternative Compliance Path box. In the associated narrative box, state 3. Complete the ACP Form with the appropriate information as applicable to demonstrate compliance. 4. For Upload IEQc4.3-ACP in the Credit Form, once the above is complete, upload the ACP Form, the source of certification or compliance data from the manufacturer for 20% (by item, not cost) of the materials listed in the ACP Form Table IEQc4.3-1 and Table IEQc4.3-2, and documentation demonstrating equivalence to the emissions test criteria of the CRI Green Label Plus Carpet Program and the ICC Evaluation Service (ICC-ES) EG-107. Demonstrated Performance Equivalency In order to demonstrate performance that is equivalent to the emissions test criteria of the CRI Green Label Plus Carpet Program, please ensure the local standard has been adequately identified and the following chemical emissions are addressed: a) Acetaldehyde b) Benzene c) Caprolactam d) 2-Ethylhexanoic Acid e) Formaldehyde f ) 1-Methyl-2-Pyrrolidinone g) Naphthalene h) Nonanal i) Octanal j) 4-Phenylcyclohexene k) Styrene l) Toluene m) Vinyl Acetate In order to demonstrate performance that is equivalent to the testing protocol of the ICC Evaluation Service (ICC- ES) Evaluation Guideline for Determination of Volatile Organic Compound (VOC) Content and Emissions of Floor Covering Products, EG 107, please ensure the testing protocol has been adequately identified and the following topics are addressed: 25
a) Testing procedures align with one of the following: i) either ASTM D 5116-06, Standard Guide for Small-Scale Environmental Chamber Determinations of Organic Emissions from Indoor Materials/Products ii) California Department of Health Services Standard Practice for the Testing of Volatile Organic Emissions from Various Sources Using Small-Scale Environmental Chambers, including 2004 Addenda. b) The VOC content of the following chemicals: Acetaldehyde, Benzene, Caprolactam, 2-Ethylhexanoic Acid, Formaldehyde, 1-Methyl-2-Pyrrolidinone, Naphthalene, Nonanal, Octanal, 4-Phenylcyclohexene, Styrene, Toluene, Vinyl Acetate Exemplary Performance This credit is not eligible for exemplary performance under the Innovation in Design section. Supplementary Submittal Guidance Resources and references may vary by region, please see the below list for additional guidance. Websites ICC Evaluation Service (ICC-ES) EG107 Evaluation Guideline for Determination of Volatile Organic Compound (VOC) Content and Emissions of Floor Covering Products. http://saveprogram.icc-es.org/guidelines/pdf/eg107.pdf A nonprofit organization, ICC-ES is a leading evaluation service for innovative construction materials and systems. ICC-ES developed the Sustainable Attributes Verification and Evaluation (SAVE ) Program in conjunction with International Code Council (ICC) activities that are aimed at developing and fostering sustainable design and construction. The SAVE Program provides independent conformance verification of sustainable products. 26
IEQ Credit 5: Indoor Chemical and Pollutant Source Control 1 Point ACP Submittal Guidance for using Alternative Compliance Paths for projects Outside the U.S. (ACP) If the ACP option has been chosen for this credit, please use the Credit Form and the ACP Form located in LEED Online, and complete the following steps: 1. Complete all sections of the Credit Form as applicable to demonstrate compliance. 2. Under Additional Details, check the Alternative Compliance Path box. In the associated narrative box, state 3. Complete the ACPCredit Form with the appropriate information as applicable to demonstrate compliance. 4. For Upload IEQc5-ACP in the Credit Form, once the above is complete, upload the ACPCredit Form. 5. Within the narrative box in the Credit Form, please provide detail on which equivalent filtration media was used; either Class F7 or higher as defined by CEN Standard EN 779 2002 or filtration media with a minimum duct spot efficiency of 80% or higher and greater than 98% arrestance on a particle size of 3 10 μg. Demonstrated Performance Equivalency In order to demonstrate performance that is equivalent to media with a minimum efficiency reporting value (MERV) of 13 or higher, please ensure that the documentation provided demonstrates that the filtration media meets one of the two alternatives below: Equivalent filtration media Class F7 or higher, as defined by CEN Standard EN 779 2002, Particulate air filters for general ventilation, Determination of the filtration performance. Equivalent filtration media with a minimum duct spot efficiency of 80% or higher and greater than 98% arrestance on a particle size of 3 10 μg. The comparison table under the Supplementary Submittal Guidance section can be used as a reference for determining equivalency. Exemplary Performance This credit is not eligible for exemplary performance under the Innovation in Design section. Supplementary Submittal Guidance Resources and references may vary by region, please see the below list for additional guidance. Websites Comité Européen de Normalisation, (CEN, the European Committee for Standardization, Europäisches Komitee für Normung) Comité Européen de Normalisation (CEN) Standard EN 779, Particulate air filters for general ventilation - Determination of the filtration performance http://www.cen.eu To order: http://www.cen.eu/cen/nts/buying/pages/default.aspx 27
CEN, the European Committee for Standardization (Comité Européen de Normalisation, Europäisches Komitee für Normung), is an international non-profit organization set up under Belgian law. Through its services, it provides a platform for the development of European Standards (ENs) and other consensus documents. 28
IEQ Credit 6.2: Controllability of Systems Thermal Comfort 1 Point ACP Submittal Guidance for using Alternative Compliance Paths for projects Outside the U.S. (ACP) ACP Option 1 If ACP Option 1 has been chosen for this credit, please use the Credit Form located in LEED Online, and complete the following steps: 1. Complete all sections of the Credit Form as applicable to demonstrate compliance. 2. Under Additional Details, check the Alternative Compliance Path box. In the associated narrative box, state 3. For Upload IEQc6.2-ACP, upload a narrative and calculations demonstrating the areas of the operable windows meet the requirements of the Comité Européen de Normalisation (CEN) Standard EN 15251. ACP Option 2 If ACP Option 2 has been chosen for this credit, please use the Credit Form located in LEED Online, and complete the following steps: 1. Complete all sections of the Credit Form as applicable to demonstrate compliance. 2. Under Additional Details, check the Alternative Compliance Path box. In the associated narrative box, state 3. For Upload IEQc6.2-ACP, upload a narrative and calculations demonstrating that the areas of operable windows meet the following: a) The operable areas are equal to at least 4% of the net occupiable floor area; b) For any interior spaces without direct openings, the opening between the rooms are unobstructed and are equal to at least 8% of the area of the interior room or 2 square meters; AND, c) All building occupants have a readily-accessible mechanism for opening the operable windows included in the Credit Form. ACP Option 3 If ACP Option 3 has been chosen for this credit, please use the Credit Form located in LEED Online, and complete the following steps: 1. Complete all sections of the Credit Form as applicable to demonstrate compliance. 2. Under Additional Details, check the Alternative Compliance Path box. In the associated narrative box, state Conversion / Calculations Project teams can refer to the ACP Conversion Tool to convert square meters to square feet. 29
Exemplary Performance This credit is not eligible for exemplary performance under the Innovation in Design section. Supplementary Submittal Guidance Resources and references may vary by region, please see the below list for additional guidance. Websites Comité Européen de Normalisation, (CEN, the European Committee for Standardization, Europäisches Komitee für Normung) Comité Européen de Normalisation (CEN) Standard EN15251 Indoor environmental input parameters for design and assessment of energy performance of buildings addressing indoor air quality, thermal environment, lighting and acoustics http://www.cen.eu To order: http://www.cen.eu/cen/nts/buying/pages/default.aspx CEN, the European Committee for Standardization (Comité Européen de Normalisation, Europäisches Komitee für Normung), is an international non-profit organization set up under Belgian law. Through its services, it provides a platform for the development of European Standards (ENs) and other consensus documents. 30
IEQ Credit 7.1: Thermal Comfort Design 1 Point ACP Submittal Guidance for using Alternative Compliance Paths for projects Outside the U.S. (ACP) ACP Option 1 If ACP Option 1 has been chosen for this credit, please use the Credit Form located in LEED Online, and complete the following steps: 1. Complete all sections of the Credit Form as applicable to demonstrate compliance. 2. Under Additional Details, check the Alternative Compliance Path box. In the associated narrative box, state 3. For Upload IEQc7.1-ACP, upload a narrative and calculations to demonstrate that the project s heating, ventilation and air conditioning (HVAC) systems and the building envelope meet the requirements of International Organization for Standardization (ISO) 7730, the PMV and PPD indices and local thermal comfort criteria, and the CEN Standard EN 15251. The narrative and calculations should demonstrate that the project design conditions fall within the acceptable ranges of ISO 7730, PMV and PPD indices and CEN Standard EN 15251. The narrative and calculations should also include the predicted worst-case design outdoor conditions and worst-case indoor conditions. The project team may elect to upload any additional documents that help demonstrate compliance with the Alternative Compliance Path option. ACP Option 2 If ACP Option 2 has been chosen for this credit, please use the Credit Form located in LEED Online, and complete the following steps: 1. Complete all sections of the Credit Form as applicable to demonstrate compliance. 2. Under Additional Details, check the Alternative Compliance Path box. In the associated narrative box, state 3. For Upload IEQc7.1-ACP, upload a narrative and calculations to demonstrate that project s heating, ventilation and air conditioning (HVAC) systems and the building envelope have been designed to meet the requirements of a local standard that is equivalent to the requirements of ASHRAE Standard 55-2004. The narrative and calculations should clearly demonstrate that the local benchmarks and metrics are equal to or better than those established in ASHRAE Standard 55-2004. Ensure that all of the considerations listed in the Credit Form are addressed. The project team may elect to upload any additional documents that help demonstrate compliance with the Alternative Compliance Path option. Exemplary Performance This credit is not eligible for exemplary performance under the Innovation in Design section. Supplementary Submittal Guidance Resources and references may vary by region, please see the below list for additional guidance. 31
Websites International Organization for Standardization (ISO) http://www.iso.org/iso/catalogue_detail.htm?csnumber=39155 This website provides information on the alternative standard that can be used to demonstrate compliance. Comité Européen de Normalisation, (CEN, the European Committee for Standardization, Europäisches Komitee für Normung) Comité Européen de Normalisation (CEN) Standard EN15251 Indoor environmental input parameters for design and assessment of energy performance of buildings addressing indoor air quality, thermal environment, lighting and acoustics http://www.cen.eu To order: http://www.cen.eu/cen/nts/buying/pages/default.aspx CEN, the European Committee for Standardization (Comité Européen de Normalisation, Europäisches Komitee für Normung), is an international non-profit organization set up under Belgian law. Through its services, it provides a platform for the development of European Standards (ENs) and other consensus documents. 32
IEQ Credit 7.2: Thermal Comfort Verification 1 Point in addition to IEQ credit 7.1 ACP Submittal Guidance for using Alternative Compliance Paths for projects Outside the U.S. (ACP) If the ACP option has been chosen for this credit, please use the Credit Form located in LEED Online, and complete the following steps: 1. Complete all sections of the Credit Form as applicable to demonstrate compliance. 2. Under Additional Details, check the Alternative Compliance Path box. In the associated narrative box, state 3. For Upload IEQc7.2-ACP, upload a narrative to demonstrate that the thermal comfort survey to be implemented for the project has incorporated the requirements of International Organization for Standardization (ISO) 7730, the PMV and PPD indices and local thermal comfort criteria, and the CEN Standard EN 15251, or a local equivalent standard. The narrative should be consistent with the information provided to demonstrate compliance with IEQc7.1. The project team may elect to upload any additional documents that help demonstrate compliance with the Alternative Compliance Path option. Exemplary Performance This credit is not eligible for exemplary performance under the Innovation in Design section. Supplementary Submittal Guidance Resources and references may vary by region, please see the below list for additional guidance. Websites International Organization for Standardization (ISO) http://www.iso.org/iso/catalogue_detail.htm?csnumber=39155 This website provides information on the alternative standard that can be used to demonstrate compliance. Comité Européen de Normalisation, (CEN, the European Committee for Standardization, Europäisches Komitee für Normung) Comité Européen de Normalisation (CEN) Standard EN15251 Indoor environmental input parameters for design and assessment of energy performance of buildings addressing indoor air quality, thermal environment, lighting and acoustics http://www.cen.eu To order: http://www.cen.eu/cen/nts/buying/pages/default.aspx CEN, the European Committee for Standardization (Comité Européen de Normalisation, Europäisches Komitee für Normung), is an international non-profit organization set up under Belgian law. Through its services, it provides a platform for the development of European Standards (ENs) and other consensus documents. 33