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PERMFILE108167
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PERMFILE108167
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Entry Properties
Last modified
8/24/2016 10:00:37 PM
Creation date
11/24/2007 4:21:56 PM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
C1981008A
IBM Index Class Name
Permit File
Doc Date
12/16/2003
Section_Exhibit Name
NH2 Section 2.05.4(2)(c) Backfilling and Grading
Media Type
D
Archive
Yes
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• At the average stripping depth <br />79.93' overburden <br />+ 7.78' coal <br />87.71' material excavated <br />at 15% Swell <br />1.15 x (79.93) = 91.92 material replaced <br />91.92'/87.71' = 1.048 of the initial thickness <br />Therefore, the 0.8 requirement for thin overburden and the 1.2 requirement for thick overburden are <br />not met. <br />At the maximum stripping depth <br />96.02' overburden <br />+ 7.g4' coal <br />103.96' material excavated <br /> <br />at 15 % Swell <br />1.15 x (96.02') = 110.42' material replaced <br />110.42'/103.96' = 1.062 of the initial thickness <br />Therefore, the 0.8 requirement forthinnverburden and the 1.2 requirement forthicknverburden are <br />not met. <br />Disposal of Excess Spoil <br />All excavated non-coal material from the mining areas will be used for backfilling the mined pits and <br />blending mined areas into the existing topography to achieve the approximate original landform. <br />Therefore, no excess spoil material will exist. <br />• (REVISED 15 Nov 02) 2.05.4(2)(c) - 3 <br />
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