HomeMy WebLinkAboutFile Documents.134 E Bleeker St.0102-2020-BRES (26) B
386 Indian Road GI TORN 101 W lth Street#109-C
Grand Junction, CO 81501 CONSULTING ENGINEER Co Durango, CO 81301
Ph: (970) 241-8709 Ph: (970) 422-7676
February 17, 2021
Aspen Colorado Building Department
This letter is in regards with the IECC requirements for the projects.
Please accept this letter as a request for exemption from the ResCheck document normally required
for a residential project.
All construction in this project meets the prescriptive code requirements of the 2015 International
Energy Conservation Code.
The new roof will meet the prescriptive value of R-49 from Table 402.1.2.
The new slab will have a value equal to (or better than) the R-10 factor listed in table 402.1.2.
The new basement walls will have a value equal to (or better than) the R15/19 factor listed in table
402.1.2. See table for information
The new walls will meet the prescriptive value of R-21 (R13 cavity insulation + R10 continuous
insulation) from Table 402.1.2.
The new windows will have a fenestration u-factor equal to (or better than) the 0.28 U-factor listed in
table 402.1.2.
For existing walls and ceilings, the existing framing should be filled with insulation per IECC.
The new glass doors will have a fenestration u-factor equal to (or better than) the 0.28 factor listed in
table 402.1.2.
Copies of the windows and their specifications can be forwarded to you should you want to verify the
values above.
Please let us know if you require any further documentation or discussion regarding the above
information and the contractor, architect and I will be happy to provide it for you.
Sincerely,
Johnathan VanVleet
RECEIVED
03/26/2021
ASPEN
BUILDING DEPARTMENT
RECEIVED
03/26/2021
ASPEN
BUILDING DEPARTMENT