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Henrylyn Irrigation District <br /> Prospect Reservoir Dam Facing Project <br /> 11,00` Or <br /> i 2 ill ii 0 i m no mi m 0 mim mew imi im in ismi iii.:, _ ,,„_.„....,„":".:,:(it;rijii j,...)..,.1, , ,,, i 1,!:,1 L::3 1.7:,,,j,;,,,r..,.__i, <br /> l �,. <br /> 44 <br /> ' u �r mu.. <br /> " .�" a «mo ��°e A.:.,m 1 <br /> # . <br /> ✓ «fir.. <br /> . Project Description <br /> The Henrylyn Irrigation District was formed in 1907 under the Irrigation District Law of 1905. The <br /> District consists of 32,745 acres of irrigated farm land in Weld County. Their service area starts <br /> about 2 miles west of Hudson and extends generally east and south along 1-76,to about 9 miles east <br /> of Keenesburg. Prospect Reservoir is an off-stream reservoir constructed in 1914 and has a <br /> Significant Hazard Large (Class 2)Dam with a height of 45 feet, a crest width of 18 feet, and a <br /> length of 5,300 lineal feet. The Prospect Reservoir Dam Facing Project will increase the erosion <br /> protection and dam stability by replacing a deteriorating concrete face at a 2:1 slope with a riprap <br /> face at a 3:1 slope. Construction occurred during the non-irrigation season of 2013/14. Dam Safety <br /> issued an Acceptance of Construction on April 17, 2014. <br /> Project Data <br /> Sponsor: Henrylyn Irrigation District County: Weld Water Source: South Platte River <br /> Terms of Loan: $1,824,204.41 for 30 years @ 1.75% Substantial Completion:June 1,2014 <br /> (Original Approval=$2,967,279.00) <br /> Design Engineer: Duane Smith,P.E.and L.Clint Brown,P.E. <br /> Contractor: Zak Dirt,Inc. <br /> Project Elements: Reface 2:1 concrete slope with 3:1 riprap slope,outlet conduit modifications <br />