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WESTERN <br />- COLORADO <br />TESTING, <br />INC. <br />SOIL/AGGREGATE FIELD DENSITY TESTS <br />Client: Powdefiom Coal Company Test Locations Designated By: <br />Project: Waste Coal Piles Authorized By: John Irvin <br />Location: Cameo, Colorado TestetLCalc'd By: J. Huddleston <br />Type of Material: Coal waste Reviewed By: <br />Source of Material: Coal mine MoistureJDensity Relationship: <br />D 698 <br />Job No.: 800198 <br />Date: 10-19-98 <br />Date: 10-19-98 <br />Date: <br />Method: A <br />Test <br />No. <br />Date <br />Location of Test Hole Elevation <br />of Test <br />Datum <br />18 10-19-98 70' north of south edge + 220' west of east edge 0 <br />19 10-19-98 80' north of south edge + 120' east of west edge 0 <br /> <br /> <br /> <br /> <br />Test <br />No. Moisture <br />Density <br />lab No. Optimum <br />Moisture Max. Dry <br />Density <br />pct In-Place Characteristics <br />Moisture Dry Density <br />% pcf Relative <br />Compaction <br />e/a Within <br />Specs <br />Comments' <br />18 196 15.9 84.8 5.6 94.0 111 Y 2,11,15,18 <br />19 196 16.9 84.8 8.7 93.2 110 Y 2,11,15,18 <br /> <br /> <br /> <br /> <br />Cormrents: <br />1. Subgrada <br />2. Subbase Fill <br />7. Base Course <br />4. Baekfill <br />8. Payment Area <br />8. Below Footing <br />7. Above Footing Bottom <br />Copies to: <br />f. 100% min. roq'd <br />9. 99% min. req'd <br />10.88% ruin. roq'd <br />11.90% min. req'd <br />12. _% min. req'd <br />13. Molsturo raq'd M- <br />% of opCvnun <br />14. Tested D-1688/AASHTO T-217 <br />18. Tested ASTM D-2922/DJ017 <br />18. Tested ASTM D-29221AASHTO <br />T.217 <br />17. Rock eorreetbn applied to <br />mauknum dry density AASHTO <br />T,t24 <br />18.OUler. Snecdv moisture <br />WCT <br />18. Tasted Locations on Accompanying Ska Plan <br />20. SpeeiflnUons Unknown <br />21. 92.96% Campadlon required <br />Datum: Too o/fib <br />Note: Tests roported to herein aro net paA of a <br />eonUnuous monkoring program of <br />eampactlon operaUom and aeeorelingty <br />apply only to the aotwl IoeaUon tested. <br />AASD:job5~8001 r107 9 <br />