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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 D.8+00 to 9+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)-- 70 <br /> --------------------------------------------- 333-----------------------------63--------------- NNW-----------320----------- --- ---------55---------- -- <br /> Set 1(Primary 1- ---- <br /> Set 2(Primary 2)----------------------------------------------- 223 -- -----------------SW------------220-----------230---------75---------- -- <br /> Set 2(Primary 2- ----------------------------- ---- <br /> Set 3(Secondary 1)-------------------------------------------- 210-----------------------------50 SSW-----------210----------- --- 50----------50---- <br /> Set 3(Secondary 1) ------------------- - ------------ <br /> Set 4(Secondary 2) <br /> ------ --------------- <br /> ---------------------------------------------------------------------------------------------------------------------------------------------------------------------- <br /> Set 5(Foliation) 85 31 E 0 170 20 45 <br /> Estimated Strength of Intact Rock Material: <br /> Designation: Compressive Strength Range Estimated in Field <br /> Very High <br /> ------------(-1-5--)---- >250 Mpa(>36_260 psi) <br /> ----------------------------------- <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(725-3,625 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 /> ----------------------------------------------------------------------------- <br /> Good Quality(17) 75-90% <br /> -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- <br /> Fair Quality(13) 50-75% <br /> ------------- <br /> -------------------------------------------------------o---------------------------------------------------------------------------------------------------------------------- <br /> Poor Quality(8) 25-50/o X <br /> -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- <br /> Very Poor Quality(3) <25% X <br /> Spacing of Discontinuities <br /> Set 1 Set 2 Set 3 Set 4 Set 5 <br /> VeryVery Wide(20) ------------------------------>2m(>6.5 ft) ---------------------------------------------------------X <br /> ------------ ---------------------- ----------------------------------------------- <br /> Wide(15)-------------------------------------0.6-2 m(2-6.5 ft)--------------------------------------------------------------------------------------------------------------------- <br /> Moderate(10) 200-600 mm(8-24 in) 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 X X <br /> GEI Consultants, Inc. 7 of 122 Appendix C 2 <br /> November 2020 <br />