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Morrison Quarry AM-07 Geotechrncal 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) X X Notes: <br /> -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- <br /> Low(4) <br /> 1-3m(3.3-9.9ft) X X <br /> ------------------- - --------------------------------------------------------------------------------------------------------------- <br /> M-edium(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 mm(<0.003 in) <br /> ----------------------- ------------------------------------------------------------------------------------------------------------------------------------ <br /> Tight Joints(5)-------------------------------0.1-_0_5 mm(0.003-0.02 in) ------------------X---------------------------------------------------------------- X <br /> ----------------- ------------------------- ------------------ <br /> M <br /> -oderately 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 /> Very Rough Surfaces(6) --------------------VR Notes: <br /> ---------------------------- ---------------------------------------------------------------------------------------------------------------------------------------- <br /> RoughSurfaces(5)--------------------------R---------------------------------------------------X --------X------------------------------------------- x <br /> ---------------------- ----------- ------------------ <br /> Slightly Rough Surfaces(3) -----------------SR-------------------------------------------------X-------------------X ----------- x <br /> ------------------------------- -------------------------------- ------------------ <br /> Smooth Surfaces(1) SM <br /> -licke- ided 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 /> ---------------------ightly Weathered----------------------------------------------------------------------------------------------------------------------------------------------------------------------- <br /> Sl (5)----------------------SW------------------------------------------------X-------------------X------------------------------------------- x <br /> ---------- - - ------------------ <br /> Moderately Weathered(3)-----------------MW------------------------------------------------ X <br /> ------------- - - ---------------------------------------------------------------- <br /> Highly Weathered(1) HW <br /> -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- <br /> Completely Weathered(0) CW <br /> -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- <br /> Residual Soil(0) RS <br /> RMR Classification: 22-Poor to 51-Fair <br /> Additional Notes: trending 10 deg; highly variable joint sets throughout section;adversely dipping foliation throughout section No groundwater <br /> inflow observed. Iron oxide staining on Sets 1 and 2. <br /> GEI Consultants, Inc. 14 of 122 Appendix C.2 <br /> November 2020 <br />