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2009-04-27_PERMIT FILE - C1996083A
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2009-04-27_PERMIT FILE - C1996083A
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Last modified
8/24/2016 3:45:53 PM
Creation date
5/20/2009 11:18:14 AM
Metadata
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Template:
DRMS Permit Index
Permit No
C1996083A
IBM Index Class Name
Permit File
Doc Date
4/27/2009
Doc Name
pg 2.05-59 to 2.05-126
Section_Exhibit Name
2.05 Operation and Reclamation Plans Part 2
Media Type
D
Archive
Yes
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2.05.6(6) <br />The Operator will perform on-the-ground visual monitoring for subsidence <br />damage (including fracturing) in Sheep Corral gulch in the area where <br />multiple seam mining will occur. This monitoring will initially be performed <br />within 3 months after the gate road entries are developed, and on a quarterly <br />basis thereafter during mining of the respective panels, and for six months <br />post mining (monitoring to be done as weather permits). The results of each <br />monitoring event described in the will be sent to the Forest Service and the <br />DRMS within one month. <br />The Operator will instatll subsidence monuments at the edge of panel B-11 to <br />provide a separate confirmation of the angle of draw close to the Bruce Park <br />Dam. Monitoring frequency will be quarterly with more frequent monitoring <br />adequate to measure subsidence in concurrent and real time with the mining. <br />The Operator will implement the Bruce Park landslide geotechnical <br />monitoring plan presented in Volume IIIA, Tab 20. <br />Subsidence monuments and piezometers will be utilized to monitorthe Bruce <br />Park main dam and saddle dam as follows: <br />• Five evenly spaced subsidence monuments will be placed along the <br />crest of the main dam, one on each abutment and three evenly <br />spaced along the dam. <br />• Three evenly spaced subsidence monuments will be placed along the <br />crest of the saddle dam, one on each abutment and one in the center <br />of the dam. <br />• Main dam piezometers BD-101, 103, 105 and 105A. <br />• Saddle dam piezometer BD-102. <br />The piezometer locations are shown in Volume X, Figure 2 under the <br />Geotechnical Data Report, Bruce Park Dam tab. <br /> <br />PR-11 <br />2.05 - 121 - <br />11 /08 <br />~ ~~~oU~J) <br />Uzi-~~a <br />
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