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<br />.' I. <br /> <br />Surface Creek Ditch & Reservoir Company - Dam Rehabilitation <br />November 25-26, 2002 . <br /> <br />Agenda Item 20c <br /> <br />Water Project Construction Loan Program-Project Data <br /> <br />Borrower: Surface Creek Ditch and <br />Reservoir Company. <br /> <br />County: Delta <br /> <br />Project Name: Hotel Twin Reservoir <br /> <br />Project Type: Dam Rehabilitation <br /> <br />Drainage Basin: Gunnison <br /> <br />Water Source: Ward Creek <br /> <br />Total Project Cost: $363,500 <br /> <br />Funding Sources: CWCB <br /> <br />Type of Borrower: Agricultural/Municipal (Low) Aver. Delivery: 436 acre-feet <br /> <br />CWCB Small Project Loan: $265,000 <br /> <br />Interest Rate: 2.80% <br /> <br />Term: 30 years <br /> <br />SCD & RC operates a system of reservoirs on Grand Mesa in Delta County, providing agricultural <br />irrigation water to 2384 acres in a.service area of 6000 acres in and around the town of Cedaredge. <br />Hotel Twin Reservoir and Dam is a Oass 1 Dam with a capacity of 549 acre-ft and a 35 acre <br />surface area. The dam height is 21.0 feet with a crest length 01.255 feet. The dam has a history of <br />seepage problems dating back to the early 1990's with several temporary repairs undertaken. <br />Following the end of the 2001 irrigation season SeD & RC initiated gee-technical investigations on <br />the dam. In January 2002, as a result of removal of the entire downstream shell of the <br />embankment, the SEO issued a zero storage restriction until all repairs are completed. Due to the <br />discovery of significant unsuitable material and voids, the dam is being rebuilt essentially from the <br />ground up, with a fairly typical dam rehabilitation design inthat it will include a chimney drain, <br />blanket drain and toe drain. The USFS has a road over the top of the dam that is being Widened <br />from 24' to 30 feet The existing outlet works is being retained but a new service spillway pipe (100- <br />year design) is being installed. The.emergency spillway is an area on the left embankment where <br />water would flow over the roadway. <br />. . <br /> <br /> <br />Location Map <br /> <br />t <br /> <br />Page 5 of 5 <br />