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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 Morrison Quarry,Bench 6850,Section E.8+50-8+90 <br /> Strike and Dip Orientations: <br /> Average Strike Average Dip Direction Strike from Strike to Dip from Dip to <br /> Set1(Primary 1)-------------------------------------------------8 ------------80------------------N---------------0 ------15----------75----------85 <br /> ------------------- ------------------ ------- ---- <br /> Set 2(Primary 2) 290 75 WNW 270 310 70 80 <br /> -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- <br /> Set 3(Secondary 1) ___________________ <br /> ------------------------------------------------------------------------------------------------------------------------------------------------------------------------ <br /> Set 4(Secondary 2) <br /> -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- <br /> Set 5(Foliation) 173 17 S 130 210 10 30 <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 /> Low 2 5-25 Mpa 725-3,625psi) <br /> ------------------------------------------------------------------------------------------------------------------- <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 /> Excellent Quality(20) 90-100% <br /> ----d Quality(--------------------------------7--90 ---------------------------------------------------------- <br /> Good Quality(17) 75-90% <br /> ------------------------------------------------------------------------------------------------------------------- <br /> Fair Quality(13)-----------------------------50-75%-------------------------------------------X <br /> ------------------- ------------ <br /> Poor Quality(8) 25-50% X <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 /> Wide(15) 0.6-2 m(2-6.5 ft) X <br /> ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- <br /> Moderate(10) 200-600 mm(8-24 in) X X X <br /> Close-(8 --------------------------------------60_200 mm(2.4_-8 in)------------------------------------------------x-------------------------------------------X----- <br /> Very Close(5) <60mm(<2.4 in) <br /> GEI Consultants, Inc. 45 of 122 Appendix C.2 <br /> November 2020 <br />