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QWEST WIRELESS, L.L.C. <br /> • 426 North Fairview Avenue, Room 101 <br /> St. Paul, MN 55104 <br /> June 25, 2001 <br /> Planning Commission <br /> City of Elk River <br /> Elk River, Minnesota <br /> Re: Monopole Collapse Design for the Proposed Qwest PCS Site MIN-466 located on property at 21475 Hwy <br /> 169, Elk River, MN 55330 <br /> To the Planning Commission, <br /> Qwest Wireless is proposing to construct a PCS site at the above address. The equipment and monopole will be <br /> located outdoors at grade. <br /> The manufacturer of the pole has not been determined as of the writing of this letter. The manufacturer will be <br /> determined after zoning approval. Qwest will submit certified foundation drawing and calculations, and certified <br /> pole drawings and calculations specific to this site at the time of building permit application. <br /> Qwest Wireless and its' predecessor, US West Wireless, require that the manufacturer of the monopole submit <br /> certified drawings and calculations for the design in accordance with the Minnesota State Building Code. The <br /> 11111 <br /> State Building Code recognizes ANSI EIA/TIA 222, Structural Standard for Steel Antenna Towers and Antenna <br /> Supporting Structures. <br /> Qwest Wireless and its' predecessor have never had a failure. The Qwest Corporate Structural Engineer has <br /> never heard of a failure in his ten years in the wireless industry or the twenty-two years of his professional <br /> practice. I have been the Regional Structural Engineer for three years and practicing engineering for over thirty <br /> years, and know of no failures of monopoles. <br /> I am enclosing a copy of a letter written by Mr. Steven Krohn, P.E., and the Manager of Engineering <br /> Communications Structures for Valmont Industries in Valley Nebraska. He is a licensed professional engineer <br /> and has written a knowledgeable comprehensive letter concerning the method of failure of monopoles. The <br /> design of monopoles is not my area of expertise, nor is it for any of the structural engineers at Qwest. Qwest <br /> uses the expertise of the licensed professional engineer retained by the monopole manufacturer in the same <br /> manner as any company would purchase a metal building from a metal building manufacturer. Please read Mr. <br /> Krohn's letter. <br /> If you have any questions I can be contacted on my direct wireless line, 612-272-0089. <br /> Sincerely, <br /> I hereby that this plan, specification, or <br /> a R. ..„7,61444_12____ <br /> report was s prepared by me or under my direct <br /> supervision and that I am a duly Licensed <br /> Dale R. Thorne, P.E. Professional Engineer under the laws of the <br /> Structural Engineer State of Minnesota Dale R.Thome P.E. <br /> MN license no. 17205 Print Name: <br /> • Signature: 40-1-1 IVA:z.Z4de-'4*—* <br /> Date rte:— nse# 17205 <br /> EXHIBIT C <br />