Laserfiche WebLink
P.O. Box 187 <br />July 20, 2016 <br />TRAPPER MINING INC. <br />Craig, Colorado 81626 <br />Ms. Tabetha Lynch <br />Environmental Protection Specialist <br />Colorado Division of Reclamation, Mining and Safety <br />1313 Sherman Street, Room 215 <br />Denver, CO 80203 <br />0Ilk IS0 <br />JZL <br />Re: Trapper Mining Inc., Permit No. C-1981-010, Technical Revision TR -115 <br />PMT and Mine Plan Updates including selected 2015 Midterm Review <br />Responses to DRMS Comments, Adequacy Review 2 <br />Dear Ms. Lynch: <br />(970)824-4401 <br />Please accept this letter as our response to the adequacy review letter of July 14, 2016. Items <br />requiring a response have been copied below, Trapper's comments follow each as applicable. <br />Revised permit materials have been included as follows: <br />Page; 3-13 <br />Maps; M10B(sheet 3) <br />App A; Appendix A TR -115 Bond Revision Table (Revised with reference tables) <br />App Q; Section XVII (Deal pond revised designs) <br />49.7 Acres of New Topsoil Stripping Area <br />1. The disturbance area shown in TR115 extends beyond the current drainage and sediment <br />control boundary. Please submit updates to the drainage and sediment control plan <br />including any new pond designs needed for the additional disturbance area. <br />Trapper Response: Future proposed disturbance in TR -115 will be controlled with <br />surface diversions back to the west to the inactive A -Pit and existing sediment control <br />structures. The drainage and sediment control plan, Map 51, has been updated with the <br />locations of two proposed ditches. Ditch designs for the Deacon/Jeffway and Deal <br />diversion ditches are included and should be inserted in Section XVII of Appendix Q. <br />Permit table 4.8-3, pages 4-177, has also been updated with these new ditch designs. <br />Trapper is currently working on permitting the NPDES outfalls with CDPHE and <br />designing ponds.for the.future disturbance areas beyond these ditches. If the ponds <br />cannot be permitted in a timely_fashion the ditches will be constructed as needed in <br />advance of stripping. <br />