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I <br /> I <br /> ITOWN OF LYONS -TOWN OF LYONS INTAKE STRUCTURE REHABILITATION <br /> v <br /> I , ` <br /> I <br /> I <br /> • / \ <br /> l <br /> t,r <br /> ILooking D/S Across the N. St. Vrain at the Intake Chambers and Gauging Station Enclosure <br /> I g g g <br /> Project Description <br /> This project is the re-construction of the Town of Lyon's raw water intake diversion <br /> I structure along the N. St. Vrain River northwest of Lyons. The concrete structure included two <br /> covered pre-sedimentation chambers and an enclosure for a telemetry stream gauge to measure <br /> minimum stream flows. The town contracted with the Sear-Brown Group of Ft. Collins, Colorado <br /> I for the project design and L&M Excavators of Berthoud, Colorado for project construction. The <br /> project also included the reconstruction of a 0.3 mile gravel access road from the Treatment Plant <br /> to the new structure. The project was completed in late August 1997. <br /> IProject Data <br /> Sponsor: Town of Lyons County: Boulder River:N. St. Vrain River <br /> ITerms of Loan: $280,500 @ 5% for 20 yrs. Substantial Completion Date: Sept. 9, 1997 <br /> IDesign Engineer: Sear-Brown Group,Inc. -Ft. Collins, Colorado <br /> Construction Contractor: L&M Excavators,Inc. -Berthoud, Colorado <br /> I Design Criteria: 2 - 3'x7'x48' long Pre-sedimentation Chambers <br /> 2-2'x2' Inlet Headgates <br /> 1 - 3'x3' Concrete Outlet Sluiceway <br /> IAnnual Volume of Water Delivered by the Project: 2,255 ac.ft. <br />