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Morrison Quarry AM-07 Geotechnical Stability Exhibit <br /> DRMS Permit M-1973-021 <br /> Aggregate Industries WCR Inc. <br /> South Quarry of Morrison Quarry,Bench 6840,Scanline C,3+50-5+00 <br /> Strike and Dip Orientations: <br /> Average Strike Average Dip Direction Strike from Strike to Dip from Dip to <br /> Set 1(Primary 1) 169 82 S 165 170 65 90 <br /> -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- <br /> Set 2(Primary 2) 231 89 SW 220 250 85 90 <br /> -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- <br /> Set 3(Secondary 1) 250 35 WSW 250 250 30 40 <br /> -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- <br /> Set 4(Secondary 2) <br /> -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- <br /> Set 5(Foliation) 280 38 W 200 320 35 40 <br /> Estimated Strength of Intact Rock Material: <br /> Designation: Compressive Strength Range Estimated in Field <br /> Very High(15) >250 Mpa(>36,260 psi) <br /> -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- <br /> High(12) 100-250 Mpa(14,500-36,260 psi) X <br /> -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- <br /> Medium High(7) 50-100 Mpa(7,250-14,500 psi) X <br /> -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- <br /> Moderate(4) 25-50 Mpa(3,625-7,250 psi) <br /> -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- <br /> Low(2) 5-25 Mpa(725-3,625 psi) <br /> -- ry Low <br /> (1)----------------------------------1-----------45---5 psi------------------------------------------------------------------------------------------------------------------- <br /> Very Low(1) 1-5 Mpa(145-725 psi) <br /> Estimated Drill Core Quality(RQD) <br /> Designation: RQD Percentage Range Estimated in Field <br /> ExcelExcellent Quality(20) ----------------------- --------0 <br /> lent Quality 20) --------------------------------------------------------------------------------------------------------------------------------- <br /> Good Quality(17) 75-90% <br /> -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- <br /> Fair Quality(13) X <br /> 50-75% X <br /> /o Poor Quality(8) 25-50 <br /> ------------------------------------------------------------------------------------------------------------------------------------------------------------------ <br /> Very Poor Quality(3) <25% <br /> Spacing of Discontinuities <br /> Set 1 Set 2 Set 3 Set 4 Set 5 <br /> Very Wide(20) ------------------------------>2m(>6.5 ft) <br /> ------------------ ---------------------------------------------------------------------------------------------------------------------------- <br /> Wide(15) 0.6-2 m(2-6.5 ft) X X X <br /> -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- <br /> Moderate(10) 200-600 mm(8-24 in) X X <br /> -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- <br /> Close(8)--------------------------------------60_200 mm(2.4-8 in) ------------------------------------------X <br /> ---------- -------------------------------------------------------------------- ------------------ <br /> Very Close(5) <60mm(<2.4 in) <br /> GEI Consultants, Inc. 91 of 122 Appendix C.2 <br /> November 2020 <br />