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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 <br /> ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- <br /> Very Low(6)---------------------------------<1m(<3 3 ft)-------------------------------------X-------------------X------------------------------------------------------Notes: <br /> _-- <br /> --------------- <br /> Low(4) 1-3m(3.3-9.9ft) X X <br /> -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- <br /> Medium(2)----------------------------------3--10 m(9.9-33 ft) <br /> -------------- ------------------------------------------------------------------------------------------------------------------------------------- <br /> High(1)---------------------------------------10_20 m(33 66 ft)---------------------- <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 <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) <br /> ----------------- ---------------------------------------------------------------------------------------------------------------------------------- <br /> M-oderately Open Joints(4) ----------------0.5-_2_5-mm(0.02-0.1 in) <br /> -- ----------------------------- --------------------------------------------------------------------------------------------------------------------------------- <br /> Open Joints(1)-------------------------------2.5-_10 mm(0.1_0_4 in)------------------------X-------------------X--------------------------------------------X------------------ <br /> Very Wide Aperture(0) >10 mm(>0.4 in) X X X <br /> Discontinuity Roughness <br /> Set 1 Set 2 Set 3 Set 4 Set 5 <br /> Very Rough Surfaces 6 --------------------�R-------------------------------------------------X-------------------X------------------------------------------- X Notes: <br /> ------------------ <br /> RoughSurfaces(5)--------------------------R---------------------------------------------------X-------------------X-------------------------------------------X------------------ <br /> ---------------------- <br /> Slightly Rough Surfaces(3) SR <br /> -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- <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 <br /> Unweathered(6) UW <br /> -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- <br /> Slightly Weathered(5) SW <br /> -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- <br /> Moderately Weathered(3) MW ----X X ------------------ X <br /> ------------------------------------------------------------------------------------------------- ---------------------------------------------- ------------------ <br /> Highly Weathered(1) HW <br /> -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- <br /> Completely Weathered(0) CW <br /> -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- <br /> Residual Soil(0) IRS <br /> RMR Classification: 37-Poor to 51-Fair <br /> Additional Notes: Highwall trend 195°from Sta 2+00 to 3+30.Widespread iron oxide staining on all surfaces(Primary 1, Primary 2) <br /> Groundwater conditions <br /> Discontinuity filling,staining <br /> GEI Consultants, Inc. 78 of 122 Appendix C 2 <br /> November 2020 <br />