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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 6600,Section D,6+40-7+40 <br /> Strike and Dip Orientations: <br /> Average Strike Average Dip Direction Strike from Strike to Dip from Dip to <br /> Set1(Primary 1)----------------------------------------------- 100------------------------------65-----------------ESE-------------90------------ --- ---------55----------75- <br /> Set 1(Primary 1- ---- <br /> 85 <br /> Set 2(Primary 2)----------------------------------------------- 185-----------------------------83------------------5-------------170----------- --- ---------80------------- <br /> Set 2------(Primary 2- ---- <br /> Set3(Secondary 1)-------------------------------------------- 300------------------------------78--------------- -WNW----------290----------- --- ------------ <br /> 75----------8----- <br /> Set 4(Secondary 2) <br /> -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- <br /> Set 5(Foliation) 198 20 SSW 320 130 10 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 /> 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: ROD Percentage Range Estimated in Field <br /> Excellent Quality(20) 90-100% <br /> ------------------------------------------------------------------------------------------------------------------- <br /> Good Quality(17) 75-9090 <br /> ------------------------------------------------------------------------------------------------------------------- <br /> Fair Quality(13) -----------------------------50-75%-------------------------------------------X <br /> ------------------- ------------ <br /> Poor Quality(8) 25-50% X <br /> Ti) <br /> Very Poor Quality(3 <25% <br /> Spacing of Discontinuities <br /> Set 1 Set 2 Set 3 Set 4 Set 5 <br /> VeryVery Wide(20) ------------------------------>2m(>6.5 ft) <br /> Wi--------- --------------------------------------------------------------------------------------------------------------- <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 /> I Very Close(5) <60mm(<2.4 in) X X <br /> GEI Consultants, Inc. 57 of 122 Appendix C.2 <br /> November 2020 <br />