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RTYi,ffle <br />ofL s <br />COLORADO - SINCE 1878 Department of Planning and Building Safety <br />749 Main Street Louisville Colorado 80027 <br />303.335.4592 www.louisville.gov <br />Date: August 26, 2021 <br />To: Building Code Board of Appeals <br />From: Chad Root, Chief Building Official <br />Re: 2021 IECC Adoption with Amendments <br />City Council has directed staff to move forward on the adoption of the 2021 IECC for <br />both commercial and residential properties as of the first phase potential building code <br />updates related to sustainability and to make the City of Louisville less dependent on <br />fossil fuels. This project is part of City Council's 2021 Work Plan summarized below: <br />Excerpt from 2021 City Council Work Plan <br />15 <br />Community <br />' Sustainability/EE Additions to Building code — <br />1 Study Session, 2 <br />42 — Q3 <br />gDesign <br />Consider building code changes that promote or <br />City Council <br />Quality <br />require higher levels of energy efficiency and carbon <br />meetings <br />Prcgramsand <br />reduction than current building code. <br />Amenlies <br />Phase 1: Consideration of adoption of the <br />2021 IECC standard, a portion of the <br />standards, or similar standards to improve <br />energy efficiency and carbon reduction. (To <br />replace or supplement our current code of <br />2018 IECC.) <br />o Consideration of EV charging station <br />readiness in all new <br />development/major redevelopment. <br />16 <br />Community <br />Sustainability/EE Additions to Building code — <br />2 City Council <br />Design <br />Phase 2: Consideration of additional <br />meetings <br />4uality <br />measures such as all -building electrification, <br />Programsana <br />LEED-type development rating system, <br />Amenities <br />Along with the adoption of the 20212 IECC, City Council would like to see "electric ready" <br />all new buildings built in the City of Louisville along with a requirement for electric vehicle <br />charging stations in all residential buildings and certain commercial buildings. As <br />drafted, the proposed code adoption would require the use of gas appliances that have <br />highest efficiency on the market today if not utilizing an electric appliance. The Building <br />Department also hired a consultant to help keep the previsions of the Louisville <br />Prescriptive Energy in the body of the IECC along with trade-offs and allowing the use of <br />a HERS rating in lieu of just using the prescriptive energy code. <br />Page <br />