Building Code Board of Appeals Agenda and Packet 2022 10 20

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LEauisi'uyi � �111e Department of Planning and Building Safety L L0I.0R.%P0-SIN E. 749 Main Street # Louisville CO 80027 # 303.335.4592 # www.LouisvilleCO.aov Berry asked how many other municipalities in our metro area have adopted some or all of the 2021 commercial IECC. He further clarified that the City of Boulder has created their own and have not adopted the 2021 IECC for Commercial as written. McCollough answered that the City of Boulder has used the 2018 IECC Commercial code as their model with enhancements and that the City of Denver is working on amending the 2021 IECC Commercial code with EUI performance targets. McCollough deffered to Schlaepfer to provide examples of other muniticiaplities that have adopted the 2021 IECC Commercial Energy Code. Schlaepfer answered that only the City of Boulder has adopted any part of the 2021 IECC Commercial Energy Code. Schlaepfer further explained that there is a regional cohort that is being organized right now including Boulder County, Erie, City and County of Broomfield, Longmont, and Northglenn. The cohort is working tpo adopt the 2021 Energy base code along with solar -ready, EV-ready, electric, and "electric preferred." Louisville and Superior had already adopted the 2021 Energy Code for Residential. Council meetings have begun in each of these municipalities to adopt the package of amendments, with the exception of the City and County of Broomfield, who will adopt the 2021 IECC code in 2023. To her knowledge, no other municipality in Colorado has adopted the Appendix CC. Geise commented that the electric grid and that looking at the main commercial area of Louisville, the CTC, that Xcel has not updated their electrical lines coming into that area. Geise also gave an example of how eight people in residential Trail Ridge Dr had Teslas and maxxed out the grid. Dino commented that Xcel is using the same infrastructure in the Marshall Fire burn area in the Trail Ridge/Arapahoe area of Louisville and that Xcel is installing infrastructure that does not support the residential energy code that Louisville has already adopted. Geise commented that if Xcel cannot deliver the electrical grid necessary to support the proposed changes, the changes cannot be implemented. Schlaepfer stated that Xcel has long range goals to support clean energy resources and that these proposed changes would be slow since they would only address new construction which would be slow.