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Transit Mix Concrete Co. <br /> Table D-8 Aggregate Rock Quality Test Results <br /> Hole No. B-2 B-3 B-5 B-6 B-6 <br /> 35-85' 50-100' 121.5-148.5' 29-74' 171-217' <br /> LA 62 35 25 33 28 <br /> Absorption 1.6 1.38 0.77 1.7 0.83 <br /> Bulk SSD 2.58 2.59 2.63 2.63 2.63 <br /> Clay& Friable Part. 0 0.3 0 0 0 <br /> Loose Den. 96 91.81 86.77 101 90.81 <br /> Rodded Den. 106 98.33 98.09 114 99.16 <br /> Sodium Soundness 7% 2% 6% 0% <br /> Light Wt 2.0 <0.01 <0.01 <0.01 <0.01 <0.01 <br /> Light Wt 2.4 <0.01 <0.01 <0.01 0.24 <0.01 <br /> 1260's @ 10 days 0.01% 0.02% 0.01% 0.01% 0.01% <br /> Geotechnical Testing <br /> For the purposes of surface mine planning, a RMR for the basement rock was calculated from <br /> the 2015 exploration results. The RMR system provides an empirical methodology for estimating <br /> rock mass shear strengths for different rock units using guidelines set forth by Hoek et. al. (2000) <br /> and Bieniawski (1989). As such, the points system (1 to 100) is used to classify rocks from "Very <br /> Poor" to "Very Good Rock". Inputs into the RMR calculation included uniaxial compressive <br /> strength (UCS) and point load testing of drill core samples; RQD measurements; fracture <br /> descriptions from field logs; acoustic/optical televiewer downhole joint measurements; and <br /> structural interpretations as observed in the geologic model. The UCS inputs into the RMR <br /> calculations were derived from 21 core samples sent to Appalachian Mining and Engineering, Inc. <br /> located in Lexington, Kentucky. The results are summarized in Table D-9. <br /> Hitch Rack Ranch Quarry Permit Application <br /> March 20, 2018 D-22 <br />