CERTIFICATION AGENCY INTERPRETATION
Our NGBS Interpretation documents provide recommendations on technical and verification issues related to NGBS Green certification
File Under: Chapter 8: Water Efficiency
The 2020 NGBS Chapter 8 included a new practice that states that buildings with a pool and/or spa must have a dedicated meter to measure the amount of water used by the pool and/or spa. The wording of the practice is unambiguous – it states a pool and spa shall have a dedicated meter (see below). However, the ICC 700 National Green Building Standard® was printed without the obligatory "M" that designates when specific practices are mandatory. This has created some confusion about what is required for compliance.
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File Under: Chapter 8: Water Efficiency
The Water Rating Index (WRI) score can be applied toward Water Efficiency compliance of the 2020 National Green Building Standard® (NGBS). The process and underlying equations for generating a WRI score are detailed in Appendix D of the 2020 NGBS.
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File Under: Chapter 8: Water Efficiency
A Water Rating Index (WRI) score can be applied toward Water Efficiency compliance under the New Construction (804.1) and Single-Family Certified (1204.4) scoring paths of the 2020 National Green Building Standard® (NGBS). The process and underlying equations for generating a WRI score are detailed in Appendix D of the 2020 NGBS.
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