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<br />WESTERN <br />COLORADO <br />TESTING, <br />INC. <br />SOIL/AGGREGATE FIELD DENSITY TESTS <br />Client: Powderhom Coal Company Test Locations Designated ey: WCT Job No.: 800198 <br />Project: Waste Coal Piles ~ e ~ ~¢~' 2 Authorized By: John Irvin Date: 9-10-98 <br />Location: Cameo, Colorado Tested/Calc'd By: W. Hafey Date: 9-10-98 <br />Type of Material: Waste coal Reviewed By: ~~ Date: ~}- I r ~ g <br />Source of Material: North stockpile Moisture/Density Relationship: AS7M <br />D698 Method: 0 <br />Test <br />No. <br />Date <br />location of Test Hole Elevation <br />of Test <br />Datum <br />2A 9-10-98 -125' west of east edge of pad 8 20' south of north wall 0 <br />5 9-10-98 75' south of north wall 8 -300' west of Test #2A on pad 0 <br />6 9-10-98 30' north of south edge 8 525' west of east edge of pad 0 <br />7 9-10-98 116' north of south edge 8 -150' east of west end of pad 0 <br /> <br /> <br />Test <br />No. Moisture <br />Density <br />Lab No. Optimum <br />Moisture Max. Dry <br />Density <br />pLY In-Place Characteristics <br />Moisture Dry Density <br />% pcf Relative <br />Compaction Within <br />Specs <br />Comments' <br />2A 1 9.0 99.7 7.75 98.0 98 Y 11,18 <br />5 1 9.0 99.7 T.75 100+ 100+ Y 11,18 <br />6 1 9.0 99.7 8.25 100+ 100+ Y 11,18 <br />7 1 9.0 99.7 8.00 94.2 94 Y 11,18 <br /> <br /> <br />' Comments: <br />1. Subgrade <br />2. Subbase Fill <br />3. Base Course <br />4. Backfill <br />5. Pavement Area <br />6. Below Footing <br />7. ADOVe Footing Bottom <br />Copies to: <br /> 14. Tested D-75561AASHTO T-217 <br />8. 100Y. min. req'd 15. Tested ASTM D-29221D3017 19, Tested Locriions on Accompanying Site Plan <br />9. 98X min. req'd 18. Tested ASTM D-29221AASHTO 20, SpeeiBcations Unknown <br /> T-217 <br />10.95X min. req'd 21, 9238% Compaction required <br />11.90X min. req tl 17. Rock correction applied to Datum: Too of current IiR <br /> <br />' maximum dry density AASHTO Nota: Tests repotted to herein are not part of a <br />12. _% min. req <br />d T•224 <br /> continuous monitoring program of <br />10, Moisture req'd +l- 19.Other: Soeedv moisture tester <br />used .all naistureldensities were compaction operations and accordingly <br />% of optimum done on north stockoile apply only to the actual location tested. <br />Msb:jobs18001 x097 0 <br />