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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 /> VeryVery Low(6)---------------------------------<1m(<3 3 ft) <br /> Low(--- -------------------------------------------------------------------------------------------------------------------------------- <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)-----------------------------X------------------------------------------------------------------------------------- <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 /> ----------------------- ------------------------------------------------------------------------------- <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 /> Ivery 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 ------X X ------------------- X <br /> ---------------------- --------------------------------------------- --------------------------------------------- ------------------ <br /> Slightly Rough Surfaces(3) -----------------SR---------------------------------------------------------------------------------------X <br /> ------------------------------- ----------------------------------------------- <br /> S ooth 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 /> -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- <br /> Slightly Weathered(5)----------------------Y Weathered SW ----------------------------------X-------------------X---------------X X <br /> -------------------------- --------------- ----------------------------------------------- <br /> Moderately3)-----------------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: 35(Poor) to 63(Good) <br /> Additional Notes: Iron oxide staining(significant in local areas). <br /> Groundwater conditions <br /> Discontinuity filling,staining <br /> GEI Consultants,Inc. 32 of 122 Appendix C.2 <br /> November 2020 <br />