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Final Drainage Report, May 29, 2015 <br />Canyon Dolomite Old Quarry Project <br />i. GENERAL LOCATION AND DESCRIPTION <br />EME Solutions, Inc. (EME) has been retained by Transit Mix Concrete Company (Client) <br />to provide this Final Drainage Report for the Canyon Dolomite Old Quarry Project. <br />A. Location <br />The Project Site (or Site) is located at the Canyon Dolomite Quarry Site located <br />approximately 1 mile west of Canon City, Colorado. The latitude and longitude of the site <br />are 38.453954°, -105.267026°. <br />B. Description of Property and Proposed Development <br />The Old Quarry portion of the Canyon Dolomite Quarry site will be used for fines <br />disposal. The purpose of this report is to provide the calculations and design for a channel <br />and rock chute that can safely pass the 100 -year storm flows across this fines disposal <br />area. <br />C. Other Drainage Studies <br />No other drainage studies were provided or discovered. <br />II. DRAINAGE BASINS AND SUB -BASINS <br />A. Basin Description <br />The drainage basin area that contributes flows to the Site is 33.7 acres. Flows from the <br />Site go to Sand Creek, located about 1 mile east of the Site. The terrain within the basin is <br />relatively steep. There is no baseflow. Although the soil hydrologic type is D, the runoff <br />does not appear to be substantial or rapid. At a site visit during a rainstorm on May 19, <br />2015 (and after several days of rain), the runoff across the site was estimated at less than <br />50 gallons per minute. <br />B. Sub -Basin Description <br />Because the Project is located at the mouth of a small canyon, the hydrology was <br />evaluated as a single basin. <br />Canyon DolomRe-Drainage Report -I &y2015-rev0 doc Page 1 <br />