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ANNUAL CERTIFICATION OF IMPOUNDMENT <br />WEST RIDGE POND <br />September 27, 1999 <br />I, the undersigned, certify that the West Ridge Pond, based on observations made during visual <br />inspection on September 27,1999, is structurally sound and shows no signs of hazardous <br />conditions. The sediment level is currently at 85% of the total pond capacity. The SEDCAD+ <br />computer simulations of the pond's performance conducted in previous years indicates the pond is <br />capable of treating the runoff from the 10 year-24 hour storm event. <br />~, <br />Paul Rechard <br />Colorado P.E. #17623 <br />\\\\\\~pt~Oi~RE iiiq~~i. <br />-` ~, ~ a <br />=u 1 T623 °`~ <br />'~~ ~~NAL E .~~ <br />/~~rpppnun~ntW~~~~ <br />~,~7estern <br />• ~,~yater <br />onsultants.~~~ <br />