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• Introduction <br />This as-built report is provided as an updated supplement to the March 2000 As-Built Report <br />Sedimentation Structure Pond 012. This report provides updated SEDCAD demonstrations and <br />curterrt elevations for the embankment, prindpal spillway and emergenry spillway. <br />Summary <br />The capacity of Sedimentation Pond is attributed partially to the embankment and partially to the <br />pond excavation. The embankment construction techniques and resulting stability analyses were <br />previously certified and have not changed. During passage of the 10-yeaz, 24hout storm event no <br />flow is discharged through the emergenry spillway as shown on Exhibit 13-6 and in the SEDCAD <br />demonstrations. The structure elevations shown on Exhibit 13-9C have been verified by physical <br />surveying. <br />Pond 012 meezs or exceeds the design and performance requirements of the DMG regulations. SCC <br />inspects the pond quarterly to evaluate structural integrity, storage capadty conditions, and remedial <br />work requirements in accordance with the approved permit conditions. <br />The purpose of my inspection and certification is to ensure correct and accurate spillway elevations <br />based on the accompanying certified SEDCAD demonstrations. To the best of my knowledge, the <br />field adjustments made axe in conformance with the updated designs and specifications. <br />• <br />• <br />Date Robert J. Shevling, CO P.E. 37382 <br />