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 6950,Section B,2+40 to 3+15 Strike and Dip Orientations: Average Strike Average Dip Direction Strike from Strike to Dip from Dip to Set 1(Primary 1)----------------------------------------------- 343 -- --------------- NNW-----------320------------2-----------65----------85---- Set 1(Primary 1- --------------------------------- NE 90 Set 2(Primary 2)------------------------------------------------52-----------------------------87--------------------------------40-------------6-----------85---------- -- Set 2(Primary----2) ---- Set3(Secondary 1)-------------------------------------------- 303------------------------------80---------------WNW----------290----------- --- ---------75----------85----- Set3(Secondary 1) Set4(Secondary 2) --------------------------------------------------------------------------------------------- ---- - ---------------------------------------------------------------------------------------- Set 5(Foliation) 357 23 N 330 10 15 40 Estimated Strength of Intact Rock Material: Designation: Compressive Strength Range Estimated in Field Very High(15)------------------------------->250 Mpa(>36,260 psi) ------High 15) ---------------------------------------------------------------------------------------------------------------- High(12) 100-250 Mpa(14,500-36,260 psi) X -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Medium High(7) 50-100 Mpa(7,250-14,500 psi) X -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- M-oderate(4) --------------------------------25.50 Mpa(3_625 7_250 psi)- -- ----------- ---------------------------------------------------------------------------------------------------------- Low(2)----------------------------------------5 25 Mpa(7253,625 psi)---------------- -------- - - - -- - -------------------------------------------------------------------------------------- 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% -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Fair Quality(13) 50-75% X Poor Quality(8) 25-50/o X----------------------------------------------------------------- _______________ ------------------------------------------------------------------------------------------------------- Very Poor Quality(3) <25% Spacing of Discontinuities Set 1 Set 2 Set 3 Set 4 Set 5 VeryVery Wide(20) ------------------------------->2m(>6.5 ft) ------------ -------------------------------------------------------------------------------------------------------------------------------- Wide(15)-------------------------------------0.6-2 m(2_6.5 ft)----- ------- - - - ---------------------------------------------------------------------------------------------------------------- Moderate(10)-------------------------------200-600 mm-(8--24 in)--------------------------X-------------------X--------------- X--------------------------X------------------ Close(8)- - -------------------------------60_200 mm(2.4_-8 in)- ------X-------------------X---------------X--------------------------X ----------------- -------------------- ------------------ Very Close(5) <60mm(<2.4 in) GEI Consultants, Inc. 11 of 122 Appendix C 2 November 2020