Laserfiche WebLink
The Division previously granted a variance from topsoil removal in accordance with Rule 4. <br /> 06.2(2)(a). Specific areas which the operator will not strip topsoil are limited to rocky areas <br /> which occur over limited areas throughout the mine area. Each area approved is handled <br /> separately as a minor revision to the permit and no general variance is currently approved. <br /> V. Sealing of Drilled Holes and Underground Openings <br /> Sealing of wells,holes, and other openings is discussed in permit Section 3. 3, Vol. III. <br /> The Division requires each hole,well, or other underground opening be capped, sealed, <br /> backfilled or otherwise managed as per Rule 4.07.3. <br /> VI. Use of Explosives <br /> The blasting plan, as well as other items related to blasting, are discussed in permit Section <br /> 3.4,Vol. III. <br /> The Division approved blasting at times other than those described in the blasting schedule <br /> due to unavoidable hazardous situations. These situations include elimination of misfires, <br /> adverse weather, equipment failure, and safety related reasons (4. 08.3(2)(b)(v)and <br /> (4.08.4(2)). <br /> VII. Disposal of Excess Spoil <br /> Permit section 3. 5.3,Vol. III of the application discusses disposal of excess spoil. <br /> In accordance with TR106 and Appendix T,the K-Pit Buttress Fill is no longer required. The <br /> Horse Gulch Fill is described in Appendix T and inspected in accordance with 4. 09.1(11), <br /> and meets the definitions and regulations associated with valley fill and head of hollow <br /> construction. The Horse Gulch underdrain and runoff diversions were constructed in <br /> accordance with Rules 4. 09.2(2),4. 09.3(1), and 4. 09. 2(7). The slope stability analysis for <br /> the Horse Gulch Fill demonstrates that the fill is designed to meet rules(4.09. 1(7)) and <br /> (4.09.2(1)). <br /> VIIL Coal Mine Waste Banks <br /> No specific approvals are granted to the applicant under this section. <br /> IX. Coal Mine Waste <br /> No specific approvals are granted to the applicant under this section. <br /> X. Backfilling and Grading <br /> Backfilling and grading are discussed under Section 3. 5,Vol. III of the permit application. <br /> 1. The applicant is bonded for a maximum of four (4) spoil ridges at any time <br /> within each pit area. Reclamation has historically been, and is proposed <br /> for completion, at approximately the same rate as disturbance of any new <br /> ground (4.14.1). <br /> 2. Trapper committed to a minimum safety factor of 1.5 to ensure long term global <br /> stability in both the L and Ash Pits, exceeding the minimum requirements <br /> 18 <br />