2020-11-05_REVISION - M1973021 (16)

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Morrison Quarry AM-07 Geotechnical Stability Exhibit DRMS Permit M-1973-021 Aggregate Industries WCR Inc South Quarry Morrison Quarry,Bench 7033,Section A.0+00-0+30(corner)-1+00 Strike and Dip Orientations: Average Strike Average Dip Direction Strike from Strike to Dip from Dip to Set 1(Primary 1) 15 83 NNE 0 25 75 90 -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Set 2(Primary 2) 280 85 W 260 300 80 90 -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Set 3(Secondary 1) 158 47 SSE 310 85 30 55 -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Set 4(Secondary 2) -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Set 5(Foliation) 205 40 SSW 190 220 30 50 Estimated Strength of Intact Rock Material: Designation: Compressive Strength Range Estimated in Field Very High(15) >250 Mpa(>36,260 psi) -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- High(12)--------------------------------------100-250 Mpa(14_500_36_260 psi)--------------X----------------------------------------------------------------------- --- - - - - -- - -------------- Medium High(7) 50-100 Mpa(7,250-14,500 psi) X -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Moderate(4) 25-50 Mpa(3,625-7,250 psi) LowLow 2----------------------------------------5 25 Mpa 725-3,625 psi) (2 pa(7---3,62-------------------------------------------------------------------------------------------------------------------- Very Low(1) 1-5 Mpa(145-725 psi) Estimated Drill Core Quality(RQD) Designation: RQD Percentage Range Estimated in Field Excellent Quality(20) -----------------------90_100% ------------------------- --------------------------------------------------------------------------------------------------------------------------------- Good Quality(17) 75-90% X -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Fair Quality(13) 50-75% X Poor Quality(8) 25-50/o -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Very Poor Quality(3) <25% Spacing of Discontinuities Set 1 Set 2 Set 3 Set 4 Set 5 Very Wide(20) ------------------------------>2m(>6.5 ft) ------------------ ---------------------------------------------------------------------------------------------------------------------------- Wide(15) 0.6-2 m(2-6.5 ft) X X X X -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Moderate(10) 200-600 mm(8-24 in) X X X -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Close(8)--------------------------------------60.200 mm(2.4_-8 in) IVery Close(5) <60mm(<2.4 in) GEI Consultants,Inc. 63 of 122 Appendix C.2 November 2020