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&we �e ST 627 Sheridan Boulevard • Lakewood,CO 80214 <br /> P:303.975.9959• F:303.975.9969 <br /> Mo <br /> CELEBRATING 20 YEARS office@westest,net • www.westest.net <br /> November 28, 2018 <br /> BURNCO Colorado <br /> 455 W. 115`h Avenue, Unit 1 <br /> Northglenn, CO 80234 <br /> Attention: Mr. Daniel B. Bentz, P.E. <br /> Subject: Laboratory Test Results <br /> Firestone Pit Aggregate Tests <br /> ASTM & AASHTO Fine Aggregate <br /> ASTM & AASHTO Size No. 57/67 Coarse Aggregate <br /> WesTest Project No. 623118 <br /> Gentlemen: <br /> Enclosed on Tables 1 and 2 are the results of aggregate physical property and quality tests, done <br /> in general accordance with ASTM and AASHTO criteria, on concrete aggregate sampled from <br /> the above-referenced source on October 8, 2018. <br /> The test results indicate the material meets ASTM C33, Standard Specification for Concrete <br /> Aggregates, AASHTO M 6, Standard Specification for Fine Aggregate for Hydraulic Cement <br /> Concrete, AASHTO M 80, Standard Specification for Coarse Aggregate for Hydraulic Cement <br /> Concrete and Colorado Department of Transportation requirements for the properties tested, <br /> If you have any questions on the data presented, please contact us at your convenience. <br /> Sincerely, Reviewed by: <br /> WesTest RPDO C10Fys <br /> �uyen T. Liu T 49996 mm Dylan A. Hullinger, P.E. <br /> ��•.l l •• <br /> o • <br /> FSS/0Nz'EN <br /> CC: Shawn Simmerman and Steve Heinrich <br /> AA5H O <br /> •...[O I T•D <br />