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2023-03-01_REVISION - C1981010
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2023-03-01_REVISION - C1981010
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Entry Properties
Last modified
3/1/2023 1:28:12 PM
Creation date
3/1/2023 1:17:45 PM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
C1981010
IBM Index Class Name
Revision
Doc Date
3/1/2023
Doc Name
Adequacy Review #2
From
DRMS
To
Trapper Mining, Inc.
Type & Sequence
PR11
Email Name
RAR
JLE
Media Type
D
Archive
No
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Trappers' response adequately addresses the above cited rule. <br /> Rule 4.05.14: Transfer of Wells <br /> DRMS 28 February 2023 <br /> Two groundwater monitoring wells for monitoring water level in the Twenty Mile and Middle <br /> Sandstone Layers on the Williams Fork Permit are located in the expansion area. <br /> 34. Please consider and discuss the possibility of transferring these wells to Trapper Mine <br /> Inc's.jurisdiction. <br /> Trapper Response to Comment 34: The owner of these monitoring wells continues to monitor them as <br /> part of their mine permit obligations. Therefore,it would be premature for Trapper to have the wells <br /> transferred to our ownership. Trapper presently intends to avoid direct disturbance of these wells on the <br /> western extent of I West-Pit. <br /> Trappers' response adequately addresses the above cited rule. <br /> Rule 4.08: Use of Explosives (Notice of Blasting Schedule 1 <br /> 28 February 2023 <br /> DDRMS notes that Trapper has an active and conservative blasting program as discussed in Permit <br /> Section 3.4. Submitted with the PR11 application were: <br /> o Blasting Public Notice <br /> o Structure List <br /> o Per blast survey information <br /> 35. As per Rule 4.08.2(1)please send out a pre blasting survey 30 days prior to blasting to <br /> structure owners in the PRII expansion area. <br /> Trapper Response to Comment 35: Please see response to Comment 21. <br /> Trappers' response adequately addresses the above cited rule. <br /> Rule 4.14 Back filling and Grading,AOC <br /> DRMS 28 February 2023 <br /> This rule is addressed in Trapper Mine's reclamation plan and as per the above rule 2.05.4 and in <br /> Section 3.5 of the Trapper permit. <br /> DRMS considered Pre Mining, Post Mining, Cross Sections and Sediment Control maps <br /> when evaluating the above mentioned rule. Upon comparing the M3 series of maps with the <br /> M12 series submitted with PR11, Post mining Topography in C Pit appears to diverge <br /> notably from Pre Mining Topography. <br /> DRMS notes a less defined drainage in the D Pit from previous PMT. <br /> DRMS poses the following questions: <br /> 36. C Pit Crossection E 1409000 shows an approximately 50 foot increase in elevation for <br /> the Post Mine surface between 439500Nand 409000N,please explain why topography is <br /> not more uniform and aligning better with the premine scenario. <br /> 37. C Pit Crossection E 140700 shows three undulations of between 25 and 50 foot increases <br /> in elevation for the Post Mine surface between 1408800 E and 1406800E,please explain <br /> why topography is not more uniform. <br /> Trapper Response to Comments 36 and 37: Given that the C Pit area has been mined,reclaimed and Phase III <br /> bond-released,the comparison of grading AOC should be between the currently approved M12 map and the PMT in <br /> 14 <br /> Trapper Mine PR I ADQ No 2 <br /> 2023 February <br />
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