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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) X Notes: <br /> ------------------- -------------------------------------------------------------------------------------------------------------- <br /> Low 1-3m(3.3-9.9ft) X X <br /> -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- <br /> Medium(2) 3-10 m(9.9-33 ft) <br /> -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- <br /> High(1)---------------------------------------10-20 m(33-66 ft) ---------------------------------------------------------------------------------X------------------ <br /> --- - ------------------------------------- <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)-------------------------<0.1 mm(<0.003 in) X <br /> ----------------------- --------------------------------------------------------------------------------------------------------------- ------------------ <br /> Tight Joints(5)-------------------------------0.1-_0.5 mm(0.003-0.02 in)-------------------X-------------------X---------------X ------------------ X <br /> ----------------- ------------------------ -------- ------------------ <br /> Moderately Open Joints(4) 0.5-2.5 mm(0.02-0.1 in) X X X <br /> Open Joints(1)-------------------------------2.5-10 mm(0.1-0.4 in) - <br /> ------------------------------------------------------------------------------------------------------------- <br /> -- ---------- ------ ---- ------ ------ - <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 /> VeryRough Surfaces(6) --------------------�R --------------------------------------------------------------------------------------------Notes_-- <br /> ---------------------------- ---------------------------------- <br /> RoughSurfaces(5)-------------------------—R---------------------------------------------------X-------------------X---------------X--------------------------X <br /> - -------------------- ------------------ <br /> Slightly- Rough Surfaces 13) -----------------SR-------------------------------------------------x-------------------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 <br /> Unweathered(6) UW <br /> SlightlyWeathered(5)----------------------SW------------------------------------------------X-------------------X---------------X-------------------------- x <br /> -------------------------- ------------------ <br /> M.oderately Weathered 3 -----------------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: 25-Poor to 50-Fair <br /> Additional Notes: trending 350 deg; unusual foliation present throughout section;conditions exhibited in section D extend into the lower <br /> portion of section C from 7+25 to 8+00 on an approximately 5H:1 V slope,adversely dipping foliation in upper third of high <br /> wall between stations 8+00 and 8+25; unmappable 9+00 to corner at 9+30 due to rubble;trend 90; unmappable 9+30 to <br /> corner at 10+60 due to rubble,trend 160; unmappable 10+60 to 12+60 No groundwater inflow observed Iron oxide staining <br /> on Sets 1 and 2. <br /> GEI Consultants, Inc. 8 of 122 Appendix C 2 <br /> November 2020 <br />