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SOIL COMPACTION TEST RESULTS <br />To: Snowcap Coal Company, Inc. KOECHLEIN CONSULTING ENGINEERS, Job No. 10-051GJ Date: 9/17/10 <br />P.O. Box 1430 INC. Report #: 7 Sheet: 1 of 1 <br />Palisade, CO 81526 Subject: Fill Observation and Testing <br />Geotechnical and Materials Engineers Cameo Refuse Disposal Area #1 <br />Lakewood - (303) 989-1223 Cameo, Colorado <br />Grand Junction - (970) 241-7700 <br /> Laborato Field <br /> <br />Test <br />No. <br />Location Depth <br />or <br />Elevation <br />(feet) Maximum <br />Dry <br />Density <br />c Optimum <br />Moisture <br />Content <br />% <br />Dry <br />Density <br />c <br />Moisture <br />Content <br />Percent <br />Compaction <br />Pass/Fail <br />Soil Type <br />12 N39°09.157, W108°19.802 +10.0 91.1 13.4 89.5 11.4 98 Pass Curve #1 <br /> <br /> <br /> <br /> <br /> <br /> <br />Weather: Sunny Cloudy ? Rain ? Snow Temp: 500 - 900Ft <br />Specification Compaction & Material: 90% of Standard Proctor ASTM D 698, <br />+2% to -2% of Optimum Moisture Content <br />Type and Number of Earth Moving Units: 1-Trackhoe, 1-Dozer, l-Dump truck <br />Type and Number of Compaction Units: 1-Sheepsfoot roller <br />Number of Passes: Varies <br />Method of Adding Moisture: Water truck <br />Thickness of Lift: Varies <br />This report presents opinions formed as a result of our observations and/or compaction testing of the fill during this visit. <br />We have relied on the contractor to continue applying the recommended comp active effort and moisture to the fill during <br />times when our observer is not observing operations. Tests are made of the fill only as believed necessary to calibrate our <br />observer's judgment. Test data are not the sole basis for opinions on whether the fi 11 meets specifications. <br />® Fill Tested Meets Specifications. <br />? Fill Tested Does Not Meet Specifications as Indicated by Test Number (s) <br />and Should be Removed or Reworked. <br />® Contractor Advised. <br />? Full Time Observation. ® Part Time Observation. <br />Progress Report: Contractor final grading the last of the coal fill. <br />Dan Blumberg William N. Houlette, P.E. <br />Field Observer Reviewed By