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Lake Canal Reservoir Company <br />SOUTH GRAY RESERVOIR REHABILITATION and GRAY No. 3 BREACHING <br />Gray No. 3 Dam Breach <br />South Gray Toe Drain <br />Project Description <br />The Project was necessary to address a dam safety hazard identified by the Dam Safety Branch of DWR <br />and avoid the potential for a reservoir storage restriction. The South Gray Reservoir dam had excessive <br />seepage along a major portion of the dam which required the installation of toe drains along the face of the <br />dam to preserve the storage right and ensure the safety of the dam. Gray Reservoir No. 3 was restricted to <br />zero storage by the SEO due to the poor condition of the dam and outlet works. The Company received a <br />court decree allowing the storage to be moved to other locations which allowed the Company to breach <br />Gray No. 3 dam and realign the access road. The Project was completed in the fall of 2011. <br />Project Data <br />Sponsor: Lake Canal Reservoir Co. County: Larimer & Weld <br />Terms of Loan: $393,900 for 30 years @ 3.15% <br />Design Engineer: Smith Geotechnical, Fort Collins <br />Contractor: Schmidt Earth Builders, Windsor, CO <br />Water Source: Box Elder Creek <br />Substantial Completion: July 1, 2012 <br />Project Elements: The rehabilitation involved $100,000 of toe drain installation and measuring weirs. <br />Riprap was placed along the upstream face of the dam. <br />