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ANdER50N CONSULTING ENGINEERS, INC. <br />Civil Water Resources Environmental <br />March 30, 2004 <br />Mr. Brad Janes <br />Varra Companies, Inc. <br />1431 East 16`x' Street <br />Greeley, CO 80631 <br />Re: Durham Pit 117 -Cache la Poudre River Floodplain/Floodway Issues -Schedule Update <br />(ACE Project No. COVC03) <br />Dear Brad: <br />The purpose of this letter is to update you with regard to our status and progress on the above referenced <br />project. We have been gathering data since you authorized us to proceed with this project inmid-February. I <br />was informed on Mazch 26, 2004 that the surveying contractor would have existing survey information <br />available with in the next week. The survey information will facilitate addressing several of the items <br />requested by DMG in their January 6, 2004 letter. However, addressing the issues} of potential impacts to <br />flooding along the river requires the effective regulatory hydraulic model(s) for the Cache la Poudre River. <br />Obtaining these models has proven difficult. During the past month the following agencies were contacted, <br />without success, regarding obtaining the regulatory floodplain and floodway models: (a) Weld County - <br />Planning Department (b) the City of Greeley Stormwater and Engineering Departments; (c) the Omaha <br />District of the U. S. Army Corps of Engineers; and (d) the Colorado Water Conservation Board. In early March <br />a research fee was forwarded to the FEMA library in Virginia requesting a search be performed for the <br />regulatory models. I anticipate that at least another two weeks will be required before receiving any <br />information from FEMA. <br />Due to the difficulties encountered in locating the regulatory hydraulic model and our current/anticipated <br />workload in April and May of 2004; I am requesting an extension for the completion of our Phase I evaluation <br />to May 28, 2004. Phase I work was defined in our Scope of Work dated February 10, 2004. <br />If you have any questions or comments concerning this request, please do not hesitate to call me. <br />Sincerely, <br />ANDERSON CO SULTING ENGINEERS, INC. <br />~~~~~ <br />Chris J. Pauley, P. <br />Seirior Engineer <br />CJP/tlt <br />T: IOPEMCovc031COVC03 Jarces !trl-Schedule.doc <br />772 Whalers Way, Suite 200• Fort Collins, CO. 80525 <br />Phone: (970) 226-0120 • Fax: (970) 226-012 ] • www.acewater.com <br />