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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 <br /> ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- <br /> Very Low(6) <1m(<3.3 ft) Notes: <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)-----------------------------------------------------------------------------------------------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 <br /> Very Tight Joints(6)----------------------------- mm(<0.003 in)------------------------------------------------X -------- X <br /> Very-ght Joints(6) --------.003 i--- ----------------------------------- -- <br /> ---------------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) <br /> -------------------------------- ---------------------------------------------------------------------------------------------------------------------------------- <br /> OpenOpen Joints(1) ------------------------------2S--10 mm(0.1-0.4 in) <br /> -oint (1) ---m(0.1-0.4i----------------------------------------------------------------------------------------------------------------- <br /> Very Wide Aperture(0) >10 mm(>0.4 in) <br /> Discontinuity Roughness <br /> Set 1 Set 2 Set 3 Set 4 Set 5 <br /> Very Rough Surfaces(6) --------------------vR --------------------------------------------------------------Notes--- <br /> Very Rough Surfaces ---------------------------------------------------------------- <br /> RoughSurfaces(5)--------------------------R---------------------------------------------------X-------------------X------------------------------------------- X <br /> ---------------------- ------------------ <br /> Slightly Rough Surfaces(3) -----------------SR X-------------------X--------------------------------------------X---- <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 <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: 26-Poor to 50-Fair <br /> Additional Notes: trending 350 deg,adversely dipping foliation in upper third of high wall between stations 7+25 and 8+00. No groundwater <br /> inflow observed. Iron oxide staining on Sets 1 and 2. <br /> GEI Consultants, Inc. 6 of 122 Appendix C 2 <br /> November 2020 <br />