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2009-05-12_PERMIT FILE - C1980005
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2009-05-12_PERMIT FILE - C1980005
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Last modified
8/24/2016 3:46:24 PM
Creation date
5/19/2009 12:30:14 PM
Metadata
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Template:
DRMS Permit Index
Permit No
C1980005
IBM Index Class Name
Permit File
Doc Date
5/12/2009
Doc Name
Geotechnical Drilling by Peabody Sage Creek Coal Company
Section_Exhibit Name
Tab 12 Appendix 12-9
Media Type
D
Archive
No
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Site Devela meat - Ex loratian Access: Primary access to the proposed exploration area will be via <br />'?-'` existing Rautt bounty Road 27, southeast of?syden, Colorado. As shown on Nlap ?, existing Rvutt <br />County Reads ??, 27A, S 1 ? and 5 ? 1], as well as, existing graveled coal mine haul reads and <br />unimproved ranch roads and jeep trails will be utilized to access exploration drill-sites within the <br />exploration area. gage Creek has specifically sited prapaseddrill-sites adjacent to existing roads and <br />in areas of previous disturbance in order to minimize any new disturbance associated with the <br />proposed exploration activities. <br />There may be limited instances where direct access to s proposed drill-sits is not possible using the <br />existing read network. In these circumstances, drilling equipment will be moved overland the short <br />distance between the existing roadway and proposed exploration pad without constructing a new <br />road. In accordance with Rules 2.D2.2?2}{#? and 4.2 t ,4{3}{a}, vehicular travel on ether than <br />established graded and surfaced reads will be limited to that absolutely necessary to conduct the <br />exploration. Travel will be confined to graded and surfaced reads during periods when excessive <br />damage to vegetation or rutting of the Iand surface could result from such travel, <br />Site Develo meet ? Drill Pad Construction: The selected drill?sites are lacsted an gentle slopes or <br />bench areas to minimize grading requirements, Maximum drill pad dimensions will be 1 Da x 100 <br />feet. However, Sage creek anticipates minimizing the disturbance faatprint to the smallest area <br />possible to facilitate reclamation success. Based on observations by Sage Creek and CDRMS <br />representatives its August 208, in many instances, it may be appropriate to only disturb the <br />immediate area surrounding the proposed drill hole and the accompanying mud pits. <br />Construction will be conducted in accordance with Rule 2.02.2{2}{f} and 4,2I.4{?}. Prior to earth- <br />,'?-? moving or excavations of any type, the ? and ? horizons will be salvaged and stored in an area that <br />`??- will be undisturbed and not subject to excessive wind or water erasion. At sites that have been <br />previously disturbed by agricultural ar mining activities, ifthere is no distinction between the A and <br />B horizons, the topsoil will be salvaged as a single unit letter from CDRMS to Mr. Scott Cowman, <br />dated October ?, 2005}, The underlying subsoil materials will, ifnecessary, be salvaged and stared in <br />an area separate from A and B horizon tnateriats, Affer stripping and stockpiling the tapsoillsubsoil <br />rrraterials, mirror grading will be completed to establish the drill pad and accornmadate the drilling <br />and support equipment. l?unaff and sediment contributions from the sail material stockpiles will be <br />controlled through plscernent of a silt fence ar soil bean {approximately one foot in height} <br />downgradient from the stockpile{s}. <br />Mud pits will be constructed within the graded pad area. enerslly two or three pits are required, <br />with typical pit dimensions of 1 a feet x 5 feet and G feet deep. The size of the required pits is <br />dependent on the anticipated drilling depths and conditions. Materials excavated from the pits will be <br />stockpiled an the margins ofthe pad area and used to back?ll the pits after the drilling is completed. <br />AlI drilling fluids will be contained within the mud pits, and all drilling supplies will be contained <br />within the area afthe drill pad. Any runoffand associated suspended sediment from the drill pad will <br />be controlled and contained by a perimeter soil bean ar silt fence an the downgradient side{s) ofthe <br />drill pad. <br />lrr?rnediately upon cessation of operations, the subsoil will be replaced, with the surface lei in <br />roughened condition. The ? and B horizons will then be replaced over the subsoil material ??ule <br />,?---? Drillin eratians: A rotary drill-rig, capable afrotary drilling and spot»coring, will be utilized for <br />`,? general exploration work. The drill-rig will be struck-mounted rubber?tired unit cs abte of <br />p <br />operating in rough terrain. Support equipment will include, but not he limited to, a water truck, pipe <br />,??? c?ti??? ??????r _ ?Qa? x?r <br />o?r??? ?
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