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l <br />REVISED <br />8/8/85 <br />PROFESSIONAL ENGINEERS CERTIFICATION <br />I, Eldon D. Strid, being a registered professional engineer in the <br />State of Colorado, do hereby certify that Sedimentation Pond E and <br />associated diversion structures have been constructed based on the <br />hydrologic and hydraulic designs in this report. Previous as built <br />surveys indicate that additional excavation is required to provide <br />sufficient design storage in Sediment Pond E. <br />During late June, 1985, excavation of the southern end of the <br />impoundment was completed. The as built survey of this work is shown on <br />Fish Creek Tipple Sedimentation Pond E As Built Plan View Map. The <br />excavation allowed for revision (lowering) of the principal spillway <br />dewatering -hole and top of the riser as shown on Table 4, Sedimentation <br />Pond "E" Riser Pipe Design Calculations. <br />� 'J" L <br />Eldon D. Strid, Colorado <br />DATE: 5�1/�5 <br />-1- <br />