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Page 3 of 3 <br />8. Pages 2 and 4 of Volume XI have been revised to change the available topsoil salvage depth <br />from 2.4' to 1.0 -1.5', and the replacement depth from 2.4' to 1.0'. Please explain why the <br />available salvage depths and replacement depths are being changed, and demonstrate <br />that this change is consistent with the requirements of Rules 4.06.2(a) and 4.06.2(b). (This <br />was Item 15 of the Division's January 16, 2014 adequacy review letter for TR -84.) <br />9. BRL has provided a material balance sheet as new Appendix A to Volume XI. The volumes <br />proposed for cover fill and topsoil replacement may require revision depending on the <br />outcome of Item 15, above. (This was Item 21 of the Division's January 16, 2014 adequacy <br />review letter for TR -84, and the reference would be to Item 8 of this document.) <br />10. Map 32 — Topsoil Distribution Plan - Please explain why the replacement depth for the F1 <br />topsoil stockpile distribution area is being changed, and demonstrate that this change is <br />consistent with the requirements of Rule 4.06.4(2)(a). (This was Item 41 of the Division's <br />January 16, 2014 adequacy review letter for TR -84.) <br />11. Once the material balance has been finalized, prior to approval of TR -77, the reclamation <br />cost estimate will likely need to be updated to reflect the final material handling plan <br />(material volumes, stockpile locations, and haul distances). <br />The decision due date for this revision is February 15, 2014. BRL will likely need to request an <br />extension of the date to allow time to prepare a response. When making this request, please keep <br />in mind that the lengthy review of this revision has resulted in delayed reclamation of the gob pile <br />areas. It is imperative that this material balance issue be expeditiously resolved to ensure <br />compliance with Rules 4.10.4(5) and 4.13. If you have any questions or need additional <br />information, please contact me. <br />Sincerely, <br />Susan L. Burgmaier <br />Environmental Protection Specialist <br />cc: Tamme Bishop, J.E. Stover & Associates <br />Jared Ebert, DRMS <br />