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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 /> VeryVery Low(6)---------------------------------<1m(<3 3 ft) ----------------------X <br /> Low(--- --------------------------------------------------------- ----------------------------------------------- <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 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-------------------------- X <br /> -------------------------------- --------------------------------------------- ------------------ <br /> Open Joints(1) ------------------------------25--10 mm(0.1-0.4 in) ------X-------------------X---------------X-------------------------- X <br /> ------------------ -------------------------------------- ------------------ <br /> Very Wide Aperture(0) >10 mm(>0.4 in) <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 /> Slightly Rough Surfaces(3) -----------------SR ------------------X-------------------X---------------X X <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 Notes: <br /> Unweathered(6) UW <br /> -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- <br /> Slightly Weathered(5) SW <br /> -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- <br /> Moderately Weathered(3)-----------------MW -----------------------------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: 27(Poor) to 56(Fair) <br /> Additional Notes: 1-2 foot thick vein of weathered silimanitic gneiss at dip 20"from lower left to right(approximately Sta.6+00 <br /> Groundwater conditions to 6+90) <br /> Discontinuity filling,staining <br /> GEI Consultants, Inc. 58 of 122 Appendix C 2 <br /> November 2020 <br />