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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) 1-3m(3.3-9.9ft) X X <br /> -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- <br /> Medium(2) 3--10 m(9.9-33 ft) X <br /> -------------------------------------------------- ----------------------------------------------------------------------------------------------------------------------------------------- <br /> High(1)---------------------------------------10-20 m(33 66 ft)----------------------- <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) <br /> ----------------- ---------------------------------------------------------------------------------------------------------------------------------- <br /> Moderately Open Joints(4) ----------------0.5-_2_5 mm(0.02-0.1 in)----------------------X --------X------------------------------------------- X <br /> -------------------------------- --------------------- ----------- ------------------ <br /> Open Joints(1) ------------------------------2S-_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 <br /> -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- <br /> Slightly Rough Surfaces(3) SR ---------------------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 Notes: <br /> Unweathered(6) UW <br /> --------------------ightly Weathered------------------------------------------------------------------------------------------------------------------------------------------------------------------------ <br /> Sl (5) SW ------------------------X X X <br /> -- ---- - ------------------------------------------------------ ------------------------------------------------------------------------------------- <br /> Moderately Weathered(3)-----------------MW ----------------------------------X-------------------X------------------------------------------- x <br /> ------------------------------- -------------- ------------------ <br /> Highly Weathered(1) HW <br /> -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- <br /> Completely Weathered(0) CW <br /> -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- <br /> Residual Soil(0) RS <br /> RMR Classification: 27(Poor) to 51(Fair) <br /> Additional Notes: Top half and bottom quarter are unmappable due to rubble;iron oxide staining present. <br /> Groundwater conditions <br /> Discontinuity filling,staining <br /> GEI Consultants, Inc. 54 of 122 Appendix C.2 <br /> November 2020 <br />