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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 /> VeryLow(6)---------------------------------<1m(<3 3 ft) ------X-------------------X------------------------------------------------------Notes_-- <br /> Very Low(--- ----------------------------------- <br /> Low(4) 1-3m(3.3-9.9ft) X X X <br /> -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- <br /> Medium(2)----------------------------------3--10 m(9.9-33 ft) <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 mm(<0.003 in) <br /> ----------------------- ------------------------------------------------------------------------------------------------------------------------------------ <br /> Tight Joints(5)-------------------------------0.1-_0_5 mm(0.003-0.02 in)-------------------X------------------------------------X-------------------------- X <br /> ----------------- ------------------------ ------------------ <br /> Moderately Open Joints(4) ----------------0.5-_2_5 mm(0.02-0.1 in)----------------------X-------------------X------------------------------------------- X <br /> -------------------------------- --------------------- ------------------ <br /> Open Joints(1) 2.5-10 mm(0.1-0.4 in) 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 <br /> VeryVery Rough Surfaces(6) --------------------VR ------- --Notes_-- <br /> Rough Surfaces(--- -------------------------------------------------------------------------------------------------------------------- <br /> RoughSurfaces(5)--------------------------R --------------------------------------------------------X --------------X---------------X---------------------------X------------------ <br /> ---------------------- <br /> SlightlyRough 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 <br /> Unweathered(6) UW <br /> --------------------ightly Weathered' (5)----------------------SW------------------------------------------------X-------------------X---------------X ----------- x <br /> ---------------- - - --------------- ------------------ <br /> M.oderately Weathered 3 -----------------MW-----------------------------------------------X------------------- <br /> X--------------- <br /> X X <br /> ----------------------------------------------- <br /> Highly Weathered(1) HW <br /> -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- <br /> Completely Weathered(0) CW <br /> -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- <br /> Residual Soil(0) RS <br /> RMR Classification: 30-Poor to 56-Fair <br /> Additional Notes: trending 10 deg; highly variable joint sets throughout section; pegmatite at 2+55,mafic at 3+15 No groundwater inflow <br /> observed. Iron oxide staining on Sets 1 and 2 slightly less than section A. <br /> GEI Consultants, Inc. 12 of 122 Appendix C 2 <br /> November 2020 <br />