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<br />l~lf'~~~,;:~F' . <br />~~Ij<\ <br /> <br /> <br /> <br /> <br />. .. <br /> <br /> <br />. .-.~~<\,:-~:--;;.. . . <br /> <br /> <br />November 21, 2002 <br />Project No. 2002.071 <br /> <br />Mr, Don Magnuson <br />New Cache Irrigating Company <br />33040 Railroad Ave. <br />Lucerne, CO 80646 <br /> <br />Subject: Drury, Cornish, and Barnsville Equalizer <br />Feasibility Proposal- <br /> <br />Dear Don: <br /> <br />We respectfully submit the following proposal for a Feasibility Study to be submitted to the Colorado <br />Water Conservation Board for funding for the proposed Drury, Cornish, and Barnsville Equalizer. This <br />study includes surveying to spot check the USGS topo map, onsite subsurface investigations, the <br />installation of two small diameter observation wells, percolation tests, laboratory testing, and the final <br />CWCB feasibility report. The study will cover the three reservoir sites, the pump station, and the pipeline <br />from the equalizer to Drury Reservoir. <br /> <br />Attached is a map of the site showing the proposed locations for the test borings, the percolation tests, and <br />observation welis. As shown on the map, we plan to drill five test holes to obtain soil and rock samples <br />at the three dam sites and will install PVC pipe in two of these holes to provide for observation wells. <br />We plan to drill five shallow percolation test holes to run seepage loss tests in the reservoir basins. This <br />will allow us to estimate seepage loss rates at the three sites. <br /> <br />Concerning the recharge and augmentation plan, we plan to use existing well logs and pumping data, which <br />should be available at the State Engineer's Office, to evaluate the potential for recharge to the South Platte <br />through the Crow Creek alluvium. Our borelog data and observation well logging will provide additional <br />information which will help in this determination. Fred Marinelli ofTELESTO will provide this evaluation <br />and analysis of the potential to use this as a recharge site. <br /> <br />An outline of the scope of work and the cost associated with each component required to provide a CWCB <br />Feasibility Study is shown in Table 1. <br /> <br />Concerning the schedule of work, surveying and drilling would start approximately 7 to 14 days after we <br />have approval to enter the properties. The laboratory testing will take approximately two weeks to <br />complete after drilling the site and the feasibility study will take approximately two months to complete <br />after we have authorization to enter the property. <br /> <br />New Cache Feasibility Proposal <br /> <br />Page 1 <br /> <br />1225 Red Cedar Circle, Suite H · Fort Collins, CO 80524 · (970) 490-2620 · FAX (970) 490-2851 <br />