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1DeRey Consultants, LLC <br />Geotechnical * Environmental * Foundation Design * Construction Observation * 9dateria(s Testing * Forensics <br />Mechanical Gradation <br />Project No: <br />15-1300 <br />Project Title: <br />Speer Pit Perimeter Drain <br />Placement Date: <br />March 30, 2015 <br />Tech: <br />Matt W. <br />Sample Number: <br />1 <br />Mix Identification: <br />Perimeter Drain Bedding <br />Percent <br />Sieve size <br />Specification <br />in <br />Passing <br />3.0" <br />100.0 <br />100% <br />3/4" <br />22.9 <br />15% 70% <br />#4 <br />0.1 <br />0% 15% <br />#200 <br />0.0 <br />0% 5% <br />747 Sheridan Boulevard, Suite 2A, Lakewood, Colorado 80214 (303)238-1770 (303)238-1741 Fa., <br />