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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) Notes: <br /> ------------------- -------------------------------------------------------------------------------------------------------------- <br /> Low 1-3m(3.3-9.9ft) X <br /> -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- <br /> Medium(2) 3-10 m(9.9-33 ft) X <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 /> 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------------------------------------------- X <br /> ------------------ 10-mm(0.1 ------------------ <br /> Very Wide Aperture(0) >10 mm(>0.4 in) X X <br /> Discontinuity Roughness <br /> Set 1 Set 2 Set 3 Set 4 Set 5 <br /> VeryRough Surfaces(6)--------------------V ---------------------------------------------------------------------------------------------------------------------------------------------------------- <br /> RoughSurfaces(5)--------------------------R---------------------------------------------------X----------------------------------------------------------------X-------------- <br /> ' ---- <br /> Slightly Rough Surfaces-�3�------------------SR-------------------------------------------------X-------------------X------------------------------------------- x <br /> ----------------- ------------------ <br /> Smooth Surfaces(1) SM X <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 /> SlightlyWeathered(5)----------------------SW ------------------------------X-------------------X------------------------------------------- x <br /> -------------------------- ------------------- ------------------ <br /> M-oderately Weathered(3) MW <br /> -- ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- <br /> Highly Weathered(1) HW <br /> ------------------------------------------------- <br /> CompletelyWeathered(0) CW------------------------------------------------------------------------------------------------------------------------------------------- <br /> -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- <br /> Residual Soil(0) RS <br /> RMR Classification: 326-Poor to 59-Fair <br /> Additional Notes: Highwall trend 130'from Sta 0+00 to 0+25,trend 185°from Sta 0+25 to 0+62; Iron oxide staining on all surfaces(Primary <br /> Groundwater conditions 1, Primary 2) <br /> Discontinuity filling,staining <br /> GEI Consultants,Inc. 26 of 122 Appendix C.2 <br /> November 2020 <br />