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March 30, 2006 <br />Mr. Byron Walker <br />Re.~ Hayden Gulch Loadout, Permit C-92-081 <br />Responses to Midterm Permit Comments <br />Page ! 0 <br />A draft copy of the comment letter is included with this submittal package immediately behind the <br />insertion instructions (This letter should not to be inserted into the PAP at this time). Executed <br />letters will be submitted to the Division for insertion into the PAP upon receipt by HGTI. A <br />placeholder has been created in Tab 20 for the comments from the postmine land owners. <br />The State of Colorado, Department of Transportation controls Highway 40 and accompanying right- <br />of-way at the highway/rail spur grade crossing. Routt County controls Routt County Road 37 and <br />right-of--way at the road/rail spur grade crossing. The grade crossings are permitted by the Public <br />Utilities Commission. No letters will be mailed to either of these entities because these two roads <br />are primary transportation corridors in Routt County and they will remain as roadways following <br />facility closure and final reclamation. However, please note that upon facility closure, the rail and <br />supporting infrastructure will be removed from the roadways and accompanying right-of--way. The <br />Highway 40 roadway will be repaved to Colorado Department of Transportation specifications and <br />the Routt County Road 37 roadway will be graded and graveled to Routt County Road and Bridge <br />Department specifications. <br />Rule 2.05.5(U(c) <br />Item 22. The reclamation plan needs to include apost-mining land use map. Exhibit 4-1 might <br />be used, be a reference to it needs to be included itt the PAP. Please include a <br />reference to Exhibit 4-1 if it is to be used as the post-mining land use map. <br />Response: Exhibit 20-1, Post-Mining Land Use, a new exhibit that shows the proposed postmining <br />land use is included with the response package. <br />Rule 2.05.6(3)(b)(iv) <br />Item 23. There is a comprehensive discussion of ground water monitoring in the PAP; however, <br />the text does not address, specifcally, point(s) of compliance. The Division will use <br />water quality data from HGDAL4 monitoring (to begin in 2005 (page 10 of Tab 13) of <br />the PAPJ along with water quality data from HGDAL3 monitoring to advance this <br />requirement. See Division letter of August 13, 2001, Re: Ground Water Points of <br />Compliance. No response is required to this item at this time. <br />Response: No response is required at this time. <br />Item 24. Please add the location of HGDAL4 to Figure 13-1 (page 3 Tab 13) and on Exhibit 12- <br />1 as stated on page S of Table 13. It is shown on Exhibit 12-2 as stated. <br />Response: Figure 13-1 and Exhibit 12-1 have been revised to show the location of HGDAL4. <br />Rules 2.06.8(1) and 4.24 <br />Item 25. The information provided in Tab 14 (page 4), including Attachment 14-3 (an alluvial <br />valley floor determination), is not sufficient to clearly determine the location of alluvial <br />valley floors within the permit area. Exhibits (16-) reference throughout Attachment <br />14-3 were not found in the PAP for review. A declaration is made at Tab 14 page 4 that <br />there are some subirrigated fields updrainage from the Loadout; but that all areas <br />Hydro-Environmental Solutions, Inc. <br />P.O. Box 772996 <br />57 /0'~ Street, Suite B <br />Steamboat Springs, C080477 <br />(970) 87/-6/25 <br />