2020-11-05_REVISION - M1973021 (16)

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Morrison Quarry AM-07 Geotechnical Stability Exhibit DRMS Permit M-1973-021 Aggregate Industries WCR Inc. Discontinuity Persistence Set 1 Set 2 Set 3 Set 4 Set 5 Notes: Very Low(6)---------------------------------<1m(<3 3 ft) --------------- -------------------------------------------------------------------------------------------------------------------------------- Low(4) --------------------- 1-3m(3.3-9.9ft) X X ------------------- - --------------------------------------------------------------------------------------------------------------- Medium(2) 3-10 m(9.9-33 ft) X X __ _ High-(1)---------------------------------------10-20 m(33 66 ft)---------------------------------------------------------------------------------------------- - ---------------- - ----- ----- ------ -- - - Very High(0) >20 m(>66 ft) X Discontinuity Separation(Aperture) Set 1 Set 2 Set 3 Set 4 Set 5 Notes: Very Tight Joints(6)-------------------------<0.1 mm(<0.003 in) ----------------------- ------------------------------------------------------------------------------------------------------------------------------------ Tight Joints(5)-------------------------------0.1-_0_5 mm(0.003-0.02 in) ----------------- ---------------------------------------------------------------------------------------------------------------------------------- Moderately Open Joints(4) ----------------0.5-_2_5 mm(0.02-0.1 in) ---------------------X- X------------------------------------------- X -------------------------------- ---------------------- -------------------- ------------------ Open Joints(1) ------------------------------25-_10 mm(0.1-0.4 in) ------X-------------------X------------------------------------------- X ------------------ -------------------------------------- ------------------ Very Wide Aperture(0) >10 mm(>0.4 in) Discontinuity Roughness Set 1 Set 2 Set 3 Set 4 Set 5 Notes: VeryRough Surfaces(6)---------------------VR-------------------------------------------------X------------------------------------------------------------------------------------- Rough Surfaces(5)--------------------------R---------------------------------------------------X X X ---------------------- ------------------- ---------------------------------------------- -------------------- Slightly Rough Surfaces ------------------SR----------------------------------------------------------------------X X ----------------- - - ---------------------------------------------------------------- Smooth Surfaces(1) SM -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Slickensided Surfaces(0) SL Discontinuity Wall Face Weathering Set 1 Set 2 Set 3 Set 4 Set 5 Notes: Unweathered(6) UW -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Slightly Weathered' eathered(5j----------------------SW------------------------------------------------X-------------------X------------------------------------------- x -------------------------- ------------------ ModeratelyWeathered(3)-----------------MW-----------------------------------------------X-------------------X------------------------------------------- X ------------------------------- ------------------ Highly Weathered(1) HW -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Completely Weathered(0)-----------------CW ------------------------------- ---------------------------------------------------------------------------------------------------------------------------------------- Residual Soil(0) IRS RMR Classification: 35(Poor) to 63(Good) Additional Notes: Sta,10+25 to 10+80 unmappable due to rubble;less weathered Groundwater conditions Discontinuity filling,staining GEI Consultants, Inc. 48 of 122 Appendix C.2 November 2020