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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 6900,Section C,6+25 to 8+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) 343 64 NNW 330 360 60 70 <br /> -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- <br /> Set 2(Primary 2) 227 88 SW 30 60 85 90 <br /> -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- <br /> Set 3(Secondary 1) <br /> ----------------------------------------------------------------------------------------------- <br /> ------------------------------------------------------------------------- --- <br /> Set 4(Secondary 2) <br /> -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- <br /> Set 5(Foliation) 143 31 SE 10 210 25 35 <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 /> 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 /> ------------------------- --------------------------------------------------------------------------------------------------------------------------------- <br /> Good Quality(17) 75 90% <br /> -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- <br /> FairFairQuality(13) -----------------------------50 75%-------------------------------------------X <br /> unlit (13)- ------------------------------------------------------------------------------------- <br /> Poor Quality(8) 25-50% X <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)--------------------------------------------------------------------------------------------------------------------- <br /> Moderate(10) 200-600 mm(8-24 in) X X X <br /> -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- <br /> Close(8)--------------------------------------60_200 mm(2.4-8 in) ------X-------------------X-------------------------------------------X <br /> ---------- ------------------------------------ ------------------ <br /> Very Close(5) <60mm(<2.4 in) X <br /> GEI Consultants, Inc. 5 of 122 Appendix C 2 <br /> November 2020 <br />