Laserfiche WebLink
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) 1-3 m(3.3-9.9 ft) X X <br /> -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- <br /> Medium(2)----------------------------------3--10 m(9.9-33 ft)-----------------------------X-------------------X <br /> -------------- ----------------- ---------------------------------------------------------------- <br /> High(1)---------------------------------------10-20 m(33_66 ft)-------------------------------------------------------------------------------------------------------------------- <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 /> VeryTight Joints(6)-------------------------<0.1 mm(<0.003 in)----------------------- ------------------------------------------------------------------------------------------------------------------------------------ <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 <br /> -------------------------------- --------------------- ------------------ <br /> Open Joints(1) ------------------------------25--10 mm(0.1-0.4 in) ------X-------------------X X <br /> ------------------ -------------------------------------- ---------------------------------------------------------------- <br /> Very Wide Aperture(0) >10 mm(>0.4 in) X X <br /> Discontinuity Roughness <br /> Set 1 Set 2 Set 3 Set 4 Set 5 Notes: <br /> Very Rough Surfaces(6) VR <br /> -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- <br /> RoughSurfaces(5)--------------------------R---------------------------------------------------X -----------X------------------------------------------- x <br /> ---------------------- -------- ------------------ <br /> SlightlyRough 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 /> -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- <br /> Slightly Weathered(5)----------------------SW------------------------------------------------X-------------------X X <br /> -------------------------- ---------------------------------------------------------------- <br /> M -----------------Mw ----------------------------------X-------------------X------------------------------------------- x <br /> ----oderatel-------Y Weathered(3)-------------�--- -------------- ------------------ <br /> Highly Weathered(1) HW <br /> -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- <br /> Completely Weathered(0)------------------CW <br /> ---------------------------------------------------------------------------------------------------------------------------------------- <br /> Residual Soil(0) RS <br /> RMR Classification: 29(Poor) to 57(Fair) <br /> Additional Notes: Pegmatite at 5+35 near vertical;Sta.3+75 to 5+00:lower half foliation,dipping away,upper half dipping <br /> Groundwater conditions adversely towards bench,lower RQD than Sta.5+00 to 6+00;adversely dipping,closer spacing foliation,P1 <br /> Discontinuity filling,staining and P2,slightly to moderately weathered,iron staining,discontinuities are tighter <br /> GEI Consultants,Inc. 42 of 122 Appendix C.2 <br /> November 2020 <br />