HomeMy WebLinkAboutSnowguard details.pdf KRMOONSULTANTS, INC. RECORD
P.O. Box 4572 • Vail,Colorado 81658 • 970-949-9391
TO: Rocky Mountain Snow Guards
2055 S. Raritan St., Unit B
Denver, CO 80223
DATE: 10/10/14 JOB NUMBER: 1410-09
PROJECT: Sierra Condos Snow Guard
C RFI Li MEETING NOTES RESPONSE U CLARIFICATION/CHANGE
I have reviewed the proposed layout and specifications for the installation of the SnowTrapper ST9
aluminum snowguards on the roof of the above referenced project. The roof has an 8:12 pitch and a
4:12 pitch. The roofing material is asphalt shingles on wood sheathing. The proposed layout is a pattern
of 3 horizontal rows of snowguards spaced at 12" o.c. between rows and at 24" o.c. within the rows at
the eaves of the roof, and additional rows from the eaves to the ridge consisting of horizontal rows
spaced at 24" o.c. between rows and at 36" o.c. within the rows. The horizontal rows of snowguards
will be staggered. The snow load on the roof is 100 psf per Town of Vail building code requirements.
The specifications for the snowguards themselves indicate failure test loads at more than 1 .3 times the
required strength for the above conditions. The snowguards should be attached to the plywood or OSB
roof sheathing with three #12 galvanized screws per snowguard.
The proposed layout and recommended fastening are approved.
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SIGNED: COPY TO:
Joe . Malley, `
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REVIEWED:
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Tim D. Hen um, PE ")-°O n
OCT 1 0 2014
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