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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 6950,Section C.3+15 to 3+95 <br /> Strike and Dip Orientations: <br /> Average Strike Average Dip Direction Strike from Strike to Dip from Dip to <br /> Set 1(Primary 1) ---------------------------------------------- 340------------------------------73---------------NNW-----------340-----------340---------65---------- -- <br /> Set 1(Primary 1-- ---- <br /> Set2(Primary 2) -----------------------------------------------65 --------------83----------------ENE-------------60------------��----------8-------------- <br /> Set 2(Primary --------------- ---- <br /> Set 3(Secondary 1) <br /> -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- <br /> Set4(Secondary 2) ------------------------------------------------------------------ <br /> -------------------------------------------------------------------------------------------------------------------------- <br /> Set 5(Foliation) 160 43 SSE 150 170 35 50 <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 /> M <br /> -edium High(7) 50-100 Mpa(7,250-14,500 psi) X <br /> -- ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- <br /> M-oderate(4) --------------------------------25_50 Mpa(3,625-7_250 psi)- <br /> -- ------------- ---------------------------------------------------------------------------------------------------------- <br /> LowLow(2)---------------------------------------5 25 Mpa(725-3,625 psi) <br /> (2) ---pa(7---3,62-------------------------------------------------------------------------------------------------------------------- <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 /> Fair Quality(13) 50-75% <br /> -------------------------------------------------------o----------------------------------------------------------------------------------------------------------------------------------- <br /> Poor Quality(8)------------------------------25_50/o ------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. 13 of 122 Appendix C.2 <br /> November 2020 <br />