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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 /> --------------------------------------------------------------------------------------------------- --------------- ---------- - -----------------------Set 5--- <br /> Very Low(6) <1m(<3.3 ft) Notes: <br /> -------------------- --------------------------------------------------------------------------------------------------------------- <br /> Low 1-3m(3.3-9.9ft) <br /> -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- <br /> Medium(2) 3-10 m(9.9-33 ft) <br /> -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- <br /> High(1) 10-20 m(33-66 ft) X X <br /> -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- <br /> Very High(0) >20 m(>66 ft) X X 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) X X X X X <br /> -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- <br /> Tight Joints(5) 0.1-0.5 mm(0.003-0.02 in) X X X X <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) 2.5-10 mm(0.1-0.4 in) <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 <br /> Very Rough Surfaces(6) VR Notes: <br /> -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- <br /> Rough Surfaces(5) R X X X X X <br /> -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- <br /> Slightly Rough Surfaces(3) SR X 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 <br /> Unweathered(6) UW <br /> -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- <br /> Slightly Weathered(5) SW <br /> -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- <br /> Moderately Weathered(3) MW X X X X X <br /> -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- <br /> Highly Weathered(1) HW X X X X X <br /> ---------------------------------------------------------------------------------------------------------------- <br /> ---------------------------------------------------------- <br /> Completely Weathered(0) CW <br /> -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- <br /> Residual Soil(0) RS <br /> RMR Classification: 31-Poor to 50-Fair <br /> Additional Notes: trending 260 deg, 1+50 to 1+70 unmappable due to rubble,corner at 2+75,trending 350 deg;3+30 to 3+50 unmappable <br /> due to rubble. No groundwater inflow observed Iron oxide staining and some clay filling of Sets 1 and 2. <br /> GEI Consultants, Inc. 2 of 122 Appendix C.2 <br /> November 2020 <br />