REP36688

• Permit No: C1981041
• IBM Index Class Name: Report
• Doc Date: 5/21/1997
• Doc Name: REFUSE PILE INSPECTION
• Permit Index Doc Type: STABILITY REPORT
• Media Type: D
• Archive: No

WESTERN
COLORADO
TESTING.
INC.
Client: Powderhom Coal Company
Project: Waste Coal Piles
Location: Powderhom Coal Company
Type of Material: Waste coal
Source of Material: CRDA-1
SOIUAGGREGATE FIELD DENSITY TESTS
Test Locations Designed By: WCT
Authorized By: Larry Reschke
Tested/Calc'd By: L. Sanchez
Reviewed By:
Moisture/Density Relationship: D 698
Job No.: 800797
Date: 2-3-97
Date: 2-3-97
Date: Z • ~ ~ ~1
Method: D
Test
No.
Date
Location of Test Hole Elevation
of Test
Datum
7A 2~-97 CRDA-1 test location #7 (retest) 0
2A 2~-97 CRDA-1 test location #2 (retest) 0

Test
No. Moisture
Density
Lab No. Optimum
Moisture Max. Dry
Density
pcf In-Place Characteristics
Moisture Dry Density
°~ pcf Relative
Compaction
°~ Within
Specs
Comments'
7A 0 9.0 99.7 11.0 94.T 95 Y 11,15,18
2A 0 9.0 99.7 8.1 99.7 100 Y 11,15,18

Comments:
1. Subgrade
2. Subbase Fill
3. Base Course
4. Backflll
8. Pavement Area
8. Below Footing
7. Above Footing Bonom
Copies to:
B. 100% min. req'd 14. Tested D-7566/AASHTO T•277 79. Tested L«ations an Accompanying Site Plan
8.58% min. req'd 76. Tested ASTM 0.28221DJ017 20. Speelfiratlons Unknown
70.86% min. req'd 78. Tested ASTM D-2922/AASHTO 21. 52.98% Compaction tequlred
T•217
77. 90% min. req'd Datum: Too o/wade pile
72. _•!. min. req'd 17. R«k conedion applied to msxtrnum Nota: Tests reported to herein are not part of a
73. Moisture req'd r/- dry densfly AASHTO T-224 continuous monfloring program of
eompadion operations and accordingly
% of optimum 15.Other: Moisture verified via oven apply only to the actual laeatlon tested.
drv. Field moistures vla ASTM D 4944
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