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2002-05-13_PERMIT FILE - C1981041 (3)
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2002-05-13_PERMIT FILE - C1981041 (3)
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Last modified
8/24/2016 2:18:39 PM
Creation date
3/30/2009 12:21:11 PM
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Template:
DRMS Permit Index
Permit No
C1981041
IBM Index Class Name
Permit File
Doc Date
5/13/2002
Doc Name
A-3 Geotechnical Investigations
Section_Exhibit Name
TAB 13 APPENDIX 13-4
Media Type
D
Archive
No
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<br />CONCLUSIONS <br />Based on the test hole samples and laboratory analysis of the samples, <br />and subsequent computer computations, it is concluded that the side slopes on <br />the reject pile must be flattened. It is nearly impossible to obtain truly <br />undistributed samples from within any pile of material. Those obtained and <br />tested indicate that the design densities assumed by Armstrong have not been <br />completely obtained in actual practice. This is likely due to the comparatively <br />high moisture content of the reject material as it is placed. <br />To compensate for this condition, flattening of the side slopes to 2-1/2:1 <br />is required. This wi]1 insure that the pile will be stable and that it will meet <br />the required 1.5 factor of safety for such a waste pile. <br />The effect of this action will be to effectively reduce the volume of reject <br />• <br />material which can be placed on the site by approximately 20 to 25%. This means <br />that this site is fully utilized subject to final slope measurements. Anew <br />reject material disposal site must be found, designed and begun at once to avoid <br />the possibility of multiple handling of this material. <br /> <br />
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