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REP24608
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Entry Properties
Last modified
8/24/2016 11:56:31 PM
Creation date
11/27/2007 4:01:24 AM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
C1981013
IBM Index Class Name
Report
Doc Date
2/9/1998
Doc Name
Final engineer report on GOLDEN EAGLE RDA
Permit Index Doc Type
Waste Pile/Fill Report
Media Type
D
Archive
No
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i <br />test samples. Direct shear tests of the composite sample were limited to particles <br />smaller than 3/8 inches. To better simulate the full-sized sample, the plus 3/8-inch <br />materials were screened from the composite samples to be tested and replaced with <br />;~4 sieve to -3/8-inch material. A standard Proctor moisture-density test (ASTM D <br />698, AASHTO T 99) was performed on the composite sample with the + 3/4 inch <br />particles excluded. Laboratory test results are shown on Figs. 4 through 7. <br />COAL PROCESSING WASTE PILE CONDfiIONS <br />Protect History <br />The general location of the coal processing waste pile is shown on Fig. 1. We <br />understand the permit for the pile construction was obtained in July of 1987, with <br />initial waste placement soon thereafter. At the time of the current field investigation <br />(November of 1995) the waste pile had been filled approximately to elevation 7160. <br />The topography of the existing waste pile is shown on Fig. 2 based upon survey <br />information provided by Basin Resources. The survey was based on a flight <br />performed on March 23, 1995. Basin Resources, Inc. indicated that additional coal <br />waste was placed along the face of the pile subsequent to the 1995 survey and that <br />the current configuration of the pile is sloped between 2.0:1 and 2.5:1 for the entire <br />height of the pile. <br />We were not provided information regarding the construction of the waste <br />pile. We assume that the natural ground surface was stripped of vegetation and <br />topsoil prior to waste placement and that the waste was properly compacted. We <br />have performed quarterly density testing of the coal processing waste pile from <br />March, 1995 to the present under Job No. 22,905. The results of the testing <br />indicated adequate compaction. We do not believe a drain system was installed <br />below the pile. The pile is not located in a valley section and we do not believe a <br />drain is merited. <br />3ASIN RESOURCES, INC. <br />cT~7 za,w 3 <br />
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