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AS -BUILT CERTIFICATION <br />Taylor Tributary Ditch, Stations 00 +00 to 15 +00 <br />On November 5, 2010, 1 inspected the completed construction aspects and dimensions of the <br />above referenced postmining channel. I inspected the channel alignment, elevations, depth, <br />bottom widths, and size slopes relative to the postmining design. The channel design is further <br />described in Volume 2C, Exhibit 7 -14 C. <br />Construction has been completed in accordance with the design requirements and dimensions. <br />In some cases, the ditch width and channel depth was greater than the minimum specified. Rip <br />rap size and placement is acceptable. <br />I am a Licensed Professional Engineer in the State of Colorado and a representative of <br />Environmental Solutions, Inc, P. O. Box 2996, Cheyenne, Wyoming. I am familiar with the <br />Colowyo operation and the coal program permitting process in Colorado. The construction <br />activities described above for the referenced channel are in conformance to applicable <br />requirements of the approved permit documents within CDRMS Permit C-81 -019. <br />o� ••.......•• Fy <br />32257 z : <br />es <br />32257 <br />9//0 <br />DATE <br />Attachments: Photos 1 through 6 <br />Figure 1, As built location diagram <br />