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2011-04-14_REPORT - C1981019
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2011-04-14_REPORT - C1981019
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Last modified
8/24/2016 4:32:37 PM
Creation date
4/14/2011 1:05:37 PM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
C1981019
IBM Index Class Name
REPORT
Doc Date
4/14/2011
Doc Name
1st Quarter 2011 West Pit Fill Monitoring
From
Colowyo Coal Company
To
DRMS
Permit Index Doc Type
Waste Pile/Fill Report
Email Name
JHB
Media Type
D
Archive
No
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South Taylor Fill Inspection Certification <br />On March 31, 1011, 1 inspected the area in which the South Taylor Excess Spoil Fill is being <br />constructed. This report covers activities associated with the East Taylor Fill and the West Taylor <br />Fill identified on Map 23A of the approved permit. The purpose of this inspection was to observe <br />status of the fill placement. This inspection is necessary to satisfy the requirements of CDMG Rule <br />4.09.10 (1a) and Rule 4.09.1 (1b). Weather conditions were poor and snow conditions were <br />obscuring major portions of the fill. <br />A-A' Underdrain Area: The construction on the entire A-A' underdrain including fabric installation <br />has been completed. The uppermost portion of the drain remains uncovered while the central <br />portion has been covered with fill. The lowermost portion of the drain has been covered to within <br />100 feet of the inlet of the West Taylor pond. Fill placement continues. <br />B-B' Underdrain Area: Underdrain construction is completed and all portions of the drain have <br />been covered. Fill placement continues. As of the most recent topographic data (October, 2011), <br />substantial quantities of fill have been placed over the drain. <br />C-C' Underdrain Area: Underdrain construction is completed and all portions of the drain have <br />been covered. Fill placement continues. The 7800 and 7850 dump benches are completed and <br />the 7900 and 7950 benches are advancing. <br />In November, 2010, TR-88 was approved to extend toe of the temporary fill. Further, a pending <br />permit change designated as TR-81 will make these changes permanent with the modification of <br />the postmining topography. <br />Design requirements for the spoil pile are addressed in Volume 13, Exhibit 21, Item 1, Introductory <br />Letter. Inspection requirements during construction are further detailed in Volume 12, Section 4.09. <br />1 am a Registered Professional Engineer in the State of Colorado and a representative of <br />Environmental Solutions, Inc, P. O. Box 2996, Cheyenne, Wyoming. Being familiar with the <br />Colowyo operation and the coal program permitting process in Colorado, the construction activities <br />related to the East Taylor Fill are in conformance, to the best of my knowledge and experience, as <br />specified in the Introductory pages and the associated report found in Volume 13, Exhibit 21, Item 1 <br />and other applicable requirements of the approved permit documents, a portion of CDMG Permit C- <br />81-019. _...wui8..._ <br />O? ?. C PFre^ J' <br />V <br />32257 <br />% <br />s/0NAL E*,&_ v <br />P.E. No. 32257 <br />ATE <br />xc: Mr. Kurtis Blunt, Colowyo Coal Company, L.P. <br />cf 17.15. <br />cf 24.20 (South Taylor Fill)
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