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TEST BORING REPORT Boring No. BA-6 <br /> Sheet No.2 of 2 <br /> BRIERLEY Project: Loloff Slurry Wall File No. 514094-000 <br /> ASSOCIATES Client: Hall Irwin Corporation Start: 01/19/16 <br /> occr�"9 soak u�ae,9-! rp <br /> 990S.Broadway Drilling Contractor: Finish: 01/19/16 <br /> Suite 222 Driller: Rocky <br /> Denver,Colorado solos Casing Sampler Barrel Drilling Equipment and Procedures BA Rep.: Chris Karns <br /> Type Rig Make&Model: CME-55 Elevation: 4636.504 <br /> Hollow SS,CA Hoist/Hammer: Safety <br /> Inside Diameter(in.) 3.75" 1&3/8",2" Bit Type: Cutting Head Location: <br /> Hammer Weight(lb.) 140 lbs. Middle of the west side of the gravel pit. <br /> Hammer Fall(in.) 30" Casing: HSA <br /> Water Level Data Sample Identification Notes <br /> Water Date Time Elapsed Bottom Bottom Depth to <br /> Level mm/dd/yy Time of Casing of Hole Water C California Barrel <br /> t 01/19/16 12:30 None 30' 30' 29' CS Continuous Sampler R Core <br /> S Split Spoon B Bulk <br /> G Geo robe T Thin Wall Tube <br /> 0 <br /> Visual-Manual Identification and Description Laboratory Results <br /> a <br /> --� > > <br /> o L 0 m Soil:Density/consistency,color,GROUP NAME,max.particle size, E ^ n <br /> m� — �' structure,odor,moisture,optional descriptions,geologic interpretation f6 0 ^ m N <br /> � igo Rock:Hardness,weathering,color,LITHOLOGY,texture, m d o o Y U a <br /> w E m N joint spacing,drilling rate(min./ft.) - <br /> rn > v o ? fn aS <br /> m c <br /> S 3 9 t'.31INI Medium dense,tan,poorly graded SAND with sift and ravel SP9 ft. 34.6 54.7 10.7 <br /> 9.0-30. 10 i0f/.:� P Y9 9 <br /> 30 13„ 21 SM),mostly fine to medium grained sand,few coarse sand,some <br /> ei{;;:go- gravel,few fines, wet. <br /> 4605 Eiiii:r: <br /> i:rt]r:rt -COARSEALLUVIUM- <br /> .iiarcr <br /> r'iiiifet <br /> rr a ur t <br /> f tri'Lr <br /> {TlJ:i <br /> Ctl t]:4'r, <br /> 35 <br /> [I lf,'Cl <br /> .tirl'f.r <br /> ttTt:r i <br /> :ec <br /> 4soo <br /> "n nxt <br /> @tH?:ir <br /> Z]T1:Ct <br /> ,i0-mNi Drill Rig chatter-possible cobbles at 38'. <br /> ro,nx. <br /> S-4 50/5" 39 ft. <br /> 9 0 40 Soft,highly weathered,tan/light-brown, silly SANDSTONE(BR), <br /> 40 9„ blocky,moderate to heavy iron-oxide staining. <br /> -PIERRE SHALE- <br /> 4595 <br /> C-5 Soft,moderately to highly weathered,silty SANDSTONE(BR), <br /> 2.5-43. i blocky to laminated,low to moderate iron-oxide staining. <br /> 2" <br /> 45 C-6 100/6" No recovery. <br /> 45.0-46 <br /> J4590 0„ <br /> C-7 Dark-gray,sluff recovery. <br /> 7.5-48. 100/6" Soft,fresh,dark-gray,silty SANDSTONE(BR),laminated to blocky. <br /> 4" 48.9 ft. <br /> S-8 <br /> 50 .0-49. <br /> 11" <br /> 4585 <br /> 55 <br /> 4580 <br />