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 5---- -----Set 3 Set 4 Set ---------------------------------------------------------------------------------- -----------------------Set 5--- Very Low(6)---------------------------------<1m(<3 3 ft) -------------------X-------------------X---------------X-------------------------------------Notes: _-- --------------- ---------------------- Low(4) 1-3 m(3.3-9.9 ft) X X -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Medium(2)----------------------------------3--10 m(9.9-33 ft) -------------- ------------------------------------------------------------------------------------------------------------------------------------- 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 Very Tight Joints(6)-------------------------<0.1 min(<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-------------- --------------- - - ---------------------------------- ---- Open Joints(1) ------------------------------2.5-10 mm(0.1-0.4 in) ------X-------------------X------------------------------------------- X ------------------ -------------------------------------- ------------------ Very Wide Aperture(0) >10 mm(>0.4 in) X X Discontinuity Roughness Set 1 Set 2 Set 3 Set 4 Set 5 VeryRough Surfaces(6)---------------------�R------------------------------------------------------------------------------------------------------------------------------Notes_-- -------------- Rough Surfaces(5) R ----X-------------------X---------------X--------------------------X------------------ ------------------------------------------------------------------------------------------------- Slightly Rough Surfaces(3) -----------------SR X-------------------X X X -------------- ------------ --------------------------------------------------- ---------------------------------------------------------------- Smooth Surfaces(1) SM -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Slickensided Surfaces(0) SL Discontinuity Wall Face Weathering Set 1 Set 2 Set 3 Set 4 Set 5 Unweathered(6) UW -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Slightly Weathered(5) SW -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Moderately Weathered(3)-----------------MW ----------------X----------- -- --X X X ------------------------------- -------------------------------- ---------------------------------------------------------------- Highly Weathered(1) HW -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Completely Weathered(0) CW -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Residual Soil(0) RS RMR Classification: 40-Poor to 58-Fair Additional Notes: Highwall trend 5°from Sta. 1+00 to 3+20.Widespread iron oxide staining on all surfaces(Primary 1, Primary 2) More iron Groundwater conditions oxide staining on P1. Pegmatite between 1+75 and 1+95;90° At 2+05 4 ft mafic dyke,300/70 At 2+70 Pegmatite;90° Discontinuity filling,staining GEI Consultants, Inc. 66 of 122 Appendix C.2 November 2020