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Morrison Quarry AM-07 Geotechrncal 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) X <br /> -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- <br /> Low(4) <br /> --------------------- 1-3m(3.3-9.9ft) X X <br /> ------------------- - --------------------------------------------------------------------------------------------------------------- <br /> Medium(2) 3--10 m(9.9-33 ft) X __ <br /> High-(1)--------------------------------------10-20 m(33-66 ft)---------------------------------------------------------------------------------------------- ------------------ <br /> ------ ----- ------ - - <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 /> Tight Joints(5)-------------------------------0.1-_0_5 mm(0.003-0.02 in) --------------------------------------------------------------- X <br /> ----------------- ---------------------------------------------- ------------------ <br /> Moderately Open Joints(4) ----------------0.5-_2_5 mm(0.02-0.1 in)---------------------------------------------------------------------------------------- X <br /> -------------------------------- --------------------- ------------------ <br /> Open Joints(1) ------------------------------2 5-_10 mm(0.1-0.4 in) X-------------------X <br /> ------------------ ---------------------------------------------- ----------------------------- ---------------------------------- <br /> lVery Wide Aperture(0) >10 mm(>0.4 in) X X <br /> Discontinuity Roughness <br /> Set 1 Set 2 Set 3 Set 4 Set 5 Notes: <br /> Very Rough Surfaces(6) VR <br /> -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- <br /> Rough Surfaces(5) R <br /> -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- <br /> SlightlyRough Surfaces(3) -----------------SR-------------------------------------------------X-------------------X------------------------------------------- x <br /> ------------------------------- ------------------ <br /> Smooth Surfaces(1) SM X X <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 /> ModeratelyWeathered(3)-----------------MW-----------------------------------------------X-------------------X-------------------------------------------X <br /> ------------------------------- ------------------ <br /> Highly Weathered(1) HW <br /> -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- <br /> Completely Weathered(0) CW <br /> -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- <br /> Residual Soil(0) RS <br /> RMR Classification: 29(Poor) to 56(Fair) <br /> Additional Notes: Bottom third obscured by rubble/snow,moderate iron oxide staining <br /> Groundwater conditions <br /> Discontinuity filling,staining <br /> GEI Consultants, Inc. 40 of 122 Appendix C 2 <br /> November 2020 <br />