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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) 1-3 m(3.3-9.9 ft) X 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 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 /> 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 inj X X X X <br /> -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- <br /> Open Joints(1) 2.5-10 mm(0.1-0.4 in) 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 X X X X <br /> Slightl---------- uW;(------)-------------------------------------------------------------------------------------------------------------------------------------------------------------- <br /> SlightlyRough Surfaces(3) -----------------SR-------------------------------------------------X-------------------X---------------x-------------------------- X <br /> ------------------------------- ------------------ <br /> SmootSmooth Surfaces(1) SM X <br /> h Surfaces <br /> 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)----------------------5`-"--------------------------------------------------X-------------------X X X <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: 25(Poor) to 54(Fair) <br /> Additional Notes: Fresh rock,relatively unweathered;Sta.4+25 pegmatite near vertical or 80%approximately 1 foot wide,local <br /> Groundwater conditions moderate weathering <br /> Discontinuity filling,staining <br /> GEI Consultants, Inc 56 of 122 Appendix C.2 <br /> November 2020 <br />