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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 7113,Section F,6+75-8+80 <br /> Strike and Dip Orientations: <br /> Average Strike Average Dip Direction Strike from Strike to Dip from Dip to <br /> Set1(Primary 1)----------------------------------------------- 258-----------------------------83---------------WSW-----------245-----------270---------80----------90---- <br /> Set 1------(Primary 1- <br /> Set 2(Primary 2)----------------------------------------------- 347 ------------------8-7----------------NNW-----------340-----------360---------85----------90 <br /> ------------------- ----------- ---- <br /> Set3(Secondary 1)-------------------------------------------- 225------------------------------------------------SW------------220----------- --- ---------85----------90---- <br /> Set3(Secondary 1) 88 <br /> Set 4(Secondary 2) <br /> -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- <br /> Set 5(Foliation) 315 13 NW 220 360 5 30 <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 /> Very High 15) --------------------------------------- <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 <br /> --------------------- 5-25 Mpa 725-3,625 psi) <br /> ------------------- ------------------- <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% X <br /> ------------------------------------------------------------------------------------------------------------------- <br /> Fair Quality(13) 50-75% X <br /> ------------------------------------------------------------------------------------------------------------------- <br /> Poor Quality(8) 25-50% <br /> ------------------------------------------------------------------------------------------------------------------- <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 /> Wide(15) 0.6-2 m(2-6.5 ft) X X <br /> Moderate(10)-------------------------------200-600 mm(8-24 in)--------------------------X-------------------X-------------------------------------------X <br /> Cl ose(8)--------------------------------------60_200 mm(2.4-8 in) ------X-------------------X-------------------------------------------X <br /> Very Close(5) <60mm(<2.4 in) <br /> GEI Consultants, Inc 35 of 122 Appendix C 2 <br /> November 2020 <br />