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Morrison Quarry AM-07 Geotechnical Stability Exhibit <br /> DRMS Permit M-1973-021 <br /> Aggregate Industries WCR Inc <br /> Discontinuity Persistence <br /> Set 1 Set 2 Set 3 Set 4 Set 5 Notes: <br /> Very Low(6)---------------------------------<1m(<3 3 ft) <br /> --------------- -------------------------------------------------------------------------------------------------------------------------------- <br /> Low(4) 1-3m(3.3-9.9ft) X <br /> -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- <br /> Medium(2) 3--10 m(9.9-33 ft) X X X <br /> -------------------------------------------------- ----------------------------------------------------------------------------------------------------------------------------------------- <br /> High(1)---------------------------------------10-20 m(33_66 ft)--------------------------------------------------X-------------------------------------- <br /> --- - - ------------ -------------------------- <br /> Very High(0) >20 m(>66 ft) X <br /> Discontinuity Separation(Aperture) <br /> Set 1 Set 2 Set 3 Set 4 Set 5 Notes: <br /> Very Tight Joints(6)-------------------------<0.1 mm(<0.003 in) <br /> ----------------------- ------ ----------------------------------------------------------- <br /> Joints(5)-------------------------------0.1-_0_5 mm(0.003-0.02 in) <br /> ----------------- ---------------------------------------------------------------------------------------------------------------------------------- <br /> Moderately Open Joints(4) ----------------0.5-_2_5 mm(0.02-0.1 in) ----------------------------------------X---------------X-------------------------- X <br /> -------------------------------- ------------------------ ------------------ <br /> Open Joints(1) ------------------------------2 5--10 mm(0.1-0.4 in) ------X-------------------X---------------X-------------------------- X <br /> ------------------ -------------------------------------- ------------------ <br /> Very Wide Aperture(0) >10 mm(>0.4 in) X <br /> Discontinuity Roughness <br /> Set 1 Set 2 Set 3 Set 4 Set 5 Notes: <br /> Very Rough Surfaces(6) VR <br /> -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- <br /> RoughSurfaces(5)---------------------------R---------------------------------------------------X-- <br /> ------------ ----------------------------------------------------------------------------------- <br /> Slightly Rough Surfaces(3) -----------------SR -----------------X- - -----------X X <br /> ------ly Ro----Surf ces(--- ----------------------------------------------------- ----------------------------------------------- <br /> Smooth Surfaces(1) SM <br /> -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- <br /> Slickensided Surfaces(0) SL <br /> Discontinuity Wall Face Weathering <br /> Set 1 Set 2 Set 3 Set 4 Set 5 Notes: <br /> Unweathered(6) UW <br /> -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- <br /> Slightly Weathered(5) SW <br /> -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- <br /> Moderately Weathered(3)-----------------M`W-----------------------------------------------X --------------X---------------X --------------x <br /> ------------------------------- ----- ------------ ------------------ <br /> Highly Weathered(1) HW <br /> -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- <br /> Completely Weathered(0) CW <br /> -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- <br /> Residual Soil(0) RS <br /> RMR Classification: 34(Poor) to 60(Good) <br /> Additional Notes: Minor iron oxide staining,mostly in middle strata.There was a near vertical pegamtite intrusion at Sta.8+70 <br /> Groundwater conditions <br /> Discontinuity filling,staining <br /> GEI Consultants,Inc. 36 of 122 Appendix C.2 <br /> November 2020 <br />