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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(4) 1-3 m(3.3-9.9 ft) X X X <br /> -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- <br /> Medium(2) 3--10 m(9.9-33 ft) X X <br /> -------------------------------------------------- ----------------------------------------------------------------------------------------------------------------------------------------- <br /> High(1)---------------------------------------10 20 m(33-66 ft) ----------------------------------------------------------------------------------------------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 <br /> Very Tight Joints(6) <0.1 min(<0.003 in) 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 min(0.02-0.1 in) 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 /> Rough Surfaces(5)--------------------------R X X---------------X--------------------------X------------------ <br /> ---------------------- -------------------------------------------------------------------------- <br /> Slightly Rough Surfaces(3) -----------------SR ----X X X X <br /> ------------------------------- --------------------------------------------- ------------------------------------------------------------------------------------- <br /> Smooth Surfaces(1) SM <br /> -licke side-Surface--------------------------------------------------------------------------------------------------------------------------------------------------------------------- <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-------------------------- x <br /> -------------------------- ----------------------- ------------------ <br /> M.oderately 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: 33-Poor to 55-Fair <br /> Additional Notes: trending 10 deg; highly variable joint sets throughout section;adversely dipping foliation throughout section;pegmatites at <br /> stations 5+35 and 6+25. No groundwater inflow observed. Iron oxide staining on Sets 1 and 2 slightly less than in section C. <br /> GEI Consultants,Inc. 16 of 122 Appendix C.2 <br /> November 2020 <br />