Laserfiche WebLink
drainage control and passage of drainage over/under/along the road should be <br />discussed. The road should not remain as a ditch that is used as a road. <br />3. (Adequacy letter question #7) Page Exh.7-14R-1, third paragraph, does not accurately <br />describe the proposed stock tanks either by name and/or by year of construction. This <br />deficiency was identified and discussed during our August 18, 2010 on-site meeting. <br />Please review, correct, and re-submit this information as necessary. <br />Response accepted and resolved. <br />4. (Adequacy letter question #5) Page Exh.7-14D2 (712512006, TR-63) represents the <br />approved design information for the Final East Pit Ditch and the Prospect Ditch <br />permanent channels. Proposed SEDCAD design runs for the 10-year, 24-hour storm <br />result in new design information that would appear to supersede the currently approved <br />information in page Exh. 7-14D2. Please review and submit new permanent channel <br />design information that is consistent with the SEDCAD modeling for these two ditches. <br />Response partially accepted. SEDCAD design models were submitted and reviewed <br />and ditch designs for the Prospect Ditch, North Tributary Eat pit Ditch and the Final East <br />Pit Ditch are now Exhibit 7-14R. However, Exhibit 7, Item 14, Table 1continues to list <br />the North Tributary Ditch designs as Exh.7-14N. Additionally, SEDCAD stations <br />listed in the SEDCAD design printouts reference stations that have apparently <br />been revised. The new station numbering shown on Figures Exh.7-14R-1 to 7 is <br />not reflected in the SEDCAD permanent ditch designs. Without accurate <br />stationing, it is not possible to reference design and structure information within <br />the SEDCAD runs. <br />5. (New resulting from current review) How can Colowyo justify removing Exh. 7 -14H <br />when it is used and referenced by other design information for many of the <br />permanent drainages that will remain in the approved permit application? <br />6. Please add text narrative to page 4.05-7, 2nd paragraph to read "The waiver does <br />not include ponds PD1, PD2, NTEP1, EP1, and EP2 constructed or planned for <br />construction in the East Pit. These five stock ponds are part of the primary <br />sediment control system for the East Pit and as such, are not eligible for the <br />waiver in accordance with Rule 4.05.9(18)(a)." <br />7. Please add this text narrative shown in italics on page 4.05-6 in the third <br />paragraph "The plan view of the five impoundments is shown on Figure Exh. 7- <br />14R-8" before the sentence "Timing of reclamation in the East Pit..." <br />8. 1 would suggest changing the text on page 4.05-2 from "appropriate annual <br />report" to "annual reclamation report". <br />9. The spoil grading map 29 post-mining topography contours conflict with the <br />permanent drainage locations. <br />10. Page numbering appears wrong for pages exh. 7-14D-1 thru 9.