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2011-08-10_REVISION - M1978210
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2011-08-10_REVISION - M1978210
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Last modified
6/16/2021 6:12:52 PM
Creation date
8/10/2011 2:35:04 PM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
M1978210
IBM Index Class Name
REVISION
Doc Date
8/10/2011
Doc Name
Adequacy Review
From
DRMS
To
Weld County
Type & Sequence
TR3
Email Name
MAC
Media Type
D
Archive
No
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DIVISION OF RECLAMATION, MINING AND SAFETY <br />Department of Natural Resources <br />1313 Sherman St., Room 215 <br />Denver, Colorado 80203 <br />Phone: (303) 866 -3567 <br />FAX: (303) 832 -8106 <br />August 10, 2011 <br />Clay Kimmi <br />Weld County - Public Works Dept. <br />1111 H Street <br />P.O. Box 758 <br />Greeley, CO 80632 <br />Dear Mr. Kimmi, <br />Mined Land Reclamation <br />STATE OF COLORADO <br />COLORADO <br />D I V I S I O N O F <br />RECLAMATION <br />MINING <br />— &— <br />SAFETY <br />John W. Hickenlooper <br />Governor <br />Mike King <br />Executive Director <br />Loretta E. Pineda <br />Director <br />RE: Geisert Pit; DRMS File No. M- 1978 -210; Technical Revision — 03; Adequacy Review <br />The Division of Reclamation, Mining and Safety (Division) has completed its adequacy review <br />of your Technical Revision to the above referenced permit. The Technical Revision was received <br />and called complete for review on August 1, 2011. The decision date for this application is <br />August 31, 2011. Please be advised that if you are unable to satisfactorily address any <br />concerns identified in this review before the decision date, it will be your responsibility to <br />request an extension of the review period. If there are outstanding issues that have not <br />been adequately addressed prior to the end of the review period, and no extension has been <br />requested, the Division will deny this application. <br />1. The Applicant has indicated clay borrow material will be imported from offsite and used to <br />backfill the slurry trench. Construction Materials Rule 3.1.5(9) states that if an Operator <br />intends to backfill inert structural fill generated outside of the approved permit area, it is the <br />Operator's responsibility to provide the Office notice of any proposed backfill activity not <br />identified in the approved Reclamation Plan. In accordance with Rule 3.1.5(9), the Operator <br />shall submit signed affidavit certifying that the material is clean and inert. <br />2. The Site Plan Map shows a water line will bisect the slurry wall at two points. Please <br />describe the techniques which will be used to prevent groundwater seepage around the water <br />line. In addition, please provide the Division with a typical design drawing showing the <br />crossing of the water line. <br />3. Please commit to providing the Division with a final construction report detailing the <br />installation of the slurry wall, describing any problems that occurred, and listing the results of <br />testing that was conducted under the approved quality assurance /quality control plan. <br />Office of Office of <br />Denver • Grand Junction • Durango Active and Inactive Mines <br />
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