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HomeMy WebLinkAboutDRB160022_115512A (02-19-16) Geo Hazards.Signed_1455919380.pdf Hepworth-Pawlak GclntlhnKal, Inc 5020 County Road 154 GeateCe()teci1 Glenwood Springs,Colorado 81601 Phone:970.945-7988 HEPWORTH-PAWLAK GEOTECHN ICAL Fax:970-945-8454 cmad:hpgco©hpgcotech.coin February 19, 2016 Town of Vail Public Works Attn: John King 1309 EIkhorn Drive Vail, Colorado 81657 (jking@vailgov.com) Job No. 115 512A Subject: Comments Regarding Geologic Hazards, Proposed Building Addition, Fire Station No. 1, Lot 15, Bighorn Subdivision,4116 Columbine Drive, Vail, Colorado Dear John: As requested, we are providing comments regarding potential geologic hazard impacts at the subject site. Our findings and recommendations are presented in this report. The services are supplemental to our agreement for professional services to the Town of Vail, dated October 12, 2015. Hepworth-Pawlak Geotechnical previously performed a subsoil study at the site and submitted our findings in a report dated December 31, 2015, Job No. 115 512A. That report included a discussion of the potential geologic hazards that could impact the site. The report stated that the risk of rock fall potential at the site is low to possibly moderate, and the risk of snow avalanche potential at the site is minimal. There are no other significant potential geologic hazard impacts to the site. We have reviewed the site grading plan for the proposed addition prepared by Martin/Martin dated February 18, 2016. We understand mitigation of the rock fall and avalanche potentials is not proposed and the potential risks are accepted by the owner. The proposed building addition and associated site grading shown on the February 18, 2016 grading plan by Martin/Martin will not increase the existing rock fall, snow avalanche, debris flow and debris avalanche hazards to adjacent properties, including public streets, right-of-ways and easements. If you have any questions or need further assistance, please call our office. Sincerely, HEPWORTH—PA� GEOTECHNICAL, INC. e��ytodaelll�k � s >ni-V David A. Young, P.E. cir _; to 3 -216 ce Rev. by: SLP ��oO\Zia4 q. DAY/ljf ``fir 'p IAL'ciiseet.V a� cc: Martin/Martin, Inc.—Mason Talkington (mtalkington@martinmartin.com) Parker 303-841-7119 • Colorado Springs 719-633-5562 • Silverthorne 970-468-1989