1981-08-20_GENERAL DOCUMENTS - C1981038

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-40- XIX. MINE FACILITIES, COAL HANDLING STRUCTURES, SUPPORT FACILITIES (2.05.3(7) , 4.04) All coal handling structures and support facilities are located within the proposed permit area. All facilities and coal handling structures meet the requirements of the regulations. The proposed operation is in compliance. Additional information demonstrating compliance can be found in Volume 8A, Section 2.05 of the permit application. XX. ROADS (2.05.3(3) , 4.03) The Orchard Valley mine road system consists of one paved haul road leading from security post #1 at the turn-off from the Stevens Gulch road to the crushing and screening bench; an access road leading from the crushing and screening bench up to the warehouse area, portal bench and fan bench, and two lower access roads which lead to the existing waste disposal pile and sedimentation ponds 1-4. Information on these roads can be found in Section 4.03 of Volume 8B, pages 37-40, Section 2.05 of Volume 8A, and Map No. 13 in volume 5. These sections of the 'permit application have been reviewed by the Division , and with the acceptance by Colorado Westmoreland, Inc. of the stipulation below, the proposed operation is in compliance. The mine site haul road and access roads were constructed prior to the enactment of SCMRA and the Regulations of the Colorado Mined Land Reclamation Board for Coal Mining, and at that time the haul and access road embankments and road cuts were not constructed according to the specifications set forth in Rule 4.03. Alternative specifications may be authorized by the Division if the applicant can demonstrate .through appropriate geotechnical analysis that the existing road embankments have a minimum safety factor of 1.25, and that the road cuts have a minimum safety factor of 1.5 or that a lessor safety factor will not result in significant enrieonmental harm or harm to the public health or safety (4.03.1(3) (c) (i) and (3) (c) (x),, and 4.03.2(3) (c) (i) and (3) (c) (ix)) . Currently, the applicant is preparing these demonstrations as part of an overall stability analysis study for the mine bench area being conducted under the direction of Merrick & Company, but the completed study and road stability demonstrations have not yet been submitted to the Division. THE APPLICANT MUST PROVIDE TO THE DIVISION, AS PART OF PHASE II OF THE STABILITY ANALYSIS STUDY BEING CONDUCTED UNDER THE DIRECTION OF MERRICK & COMPANY, A DEMONSTRATION THAT THE EXISTING HAUL AND ACCESS ROAD EMBANK- MENTS HAVE ACHIEVED A MINIMUM SAFETY FACTOR OF 1.25, AND THAT THE EXISTING HAUL AND ACCESS ROAD CUTS HAVE ACHIEVED A MINIMUM SAFETY FACTOR OF 1.50 OR THAT A LESSER SAFETY FACTOR WILL NOT RESULT IN SIGNIFICANT ENVIRONMENTAL HARM OR HARM TO THE PUBLIC HEALTH AND SAFETY. THIS DEMONSTRATION SHALL BE COMPLETED AND A REPORT SUMMARIZING THE RESULTS AND METHODOLOGY THEREOF SUBMITTED TO THE DIVISION FOR REVIEW BY DECEMBER (r_ 31, 1981.