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2018-12-11_REVISION - M1978332
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2018-12-11_REVISION - M1978332
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Last modified
12/27/2024 1:05:45 PM
Creation date
12/11/2018 12:30:10 PM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
M1978332
IBM Index Class Name
Revision
Doc Date
12/11/2018
Doc Name Note
#5
Doc Name
Adequacy Review Response
From
Greg Lewicki & Assoc.
To
DRMS
Email Name
JLE
Media Type
D
Archive
No
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a. DRMS Response 3: The Division could not located Joint 7 on the revised Exhibit <br /> E-1 Map or the strike and dip lines. Please revise the map to include these <br /> features. <br /> b. GLA Response 3: Map E-1 is replaced by GLA Map `Colorado Rose Red— <br /> Gallery Map.' Fractures within the underground workings of the site as well as <br /> along the highwall above the entrance is included on the new GLA map. <br /> Discussion of potential fracture movements in included in the attached <br /> Geotechnical report generated by GLA titled "Geotechnical Analysis of the <br /> Colorado Rose Red Granite Quarry" dated November 2018. `Colorado Rose Red <br /> —Gallery Map' is located in Appendix 2 of the above listed report. <br /> c. DRMS Response 4: Map E-1 is the Pre-Mining Map that includes all the <br /> information required by Rule 6.3.5(2). This map also provides the mining plan for <br /> the proposed surface quarry. Upon review of the new"Gallery Map,"this map <br /> appears to depict the proposed underground workings. Given this, the new <br /> "Gallery Map" should likely replace "Figure c" map that depicts the underground <br /> working originally submitted with the AM02 application and not Map E-1. Please <br /> confirm or clarify? If the "Gallery Map" is to replace Map E-1, please update this <br /> map to include all of the required information from Rule 6.3.5(2), this map should <br /> also include the details for the surface mining operation. <br /> d. GLA Response 4: Please consider"Gallery Map" as a replacement to "Figure C" <br /> in the originally submitted AM02 Application. No changes were made to Map E- <br /> 1 and no changes are proposed. <br /> 19. According to page 65 of the application the interior roofs of the `rooms' were not <br /> included in the stability evaluation performed for this study. Please provide a <br /> geotechnical evaluation of geologic hazards associated with the existing and proposed <br /> underground roofs and `rooms.' Based on this evaluation, where there is the potential for <br /> failure of any geologic structure caused or exacerbated by the existing and proposed <br /> underground mining operation please demonstrate that off-site areas will be protected <br /> with appropriate factors of safety incorporated into the analysis. <br /> a. DRMS Response 3: The Division will not approve any additional underground <br /> mining without a geotechnical evaluation demonstrating off-site areas will be <br /> protected with appropriate factors of safety incorporated into the analysis in <br /> accordance with Rule 6.5(3). Here are the applicant's options: <br /> i. Provide the geotechnical evaluation. OR, <br /> ii. Commit to cease and desist from all underground mining operations and <br /> revise the proposed mining plan as such. <br /> iii. Please be aware that Colorado Rose Red's underground mining operation <br /> is currently out of compliance with the approved mining plan. The <br /> Division may take enforcement action is this adequacy issue is not <br /> addresses to the Division's satisfaction and underground mining <br /> continues. <br /> e. GLA Response 3: Fractures along the interior roofs of the underground workings <br /> are included on GLA Map `Colorado Rose Red—Gallery Map.' Underground <br /> fractures are discussed and evaluated in the attached Geotechnical report <br /> generated by GLA titled "Geotechnical Analysis of the Colorado Rose Red <br /> 3 <br />
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