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TEST BORING REPORT Boring No. BAP-4
<br /> Sheet No.2 of 2
<br /> BRIERLEY Project: Loloff Slurry Wall File No. 514094-000
<br /> ASSOCIATES
<br /> C—ti ySp—We,ro d Client: Hall Irwin Corporation Start: 01/19/16
<br /> 990S.Broadway Drilling Contractor: Finish: 01/25/16
<br /> Suite 222 Driller: Rocky&Blake
<br /> Denver,Colorado 80209 Casing Sampler Barrel Drilling Equipment and Procedures BA Rep.: Chris Kams
<br /> Type Rig Make&Model: CME-55 Elevation: 4635.084
<br /> Hollow SS,CA NX Hoist/Hammer: Safety
<br /> Inside Diameter(in.) 4.25" 1&3/8",2" 2.15" Bit Type: Cutting Head Location:
<br /> Hammer Weight(lb.) 140 lbs. Casing: HSA Southwest comer of the gravel pit.
<br /> Hammer Fall(in.) 30"
<br /> Water Level Data Sample Identification Notes
<br /> Water Date Time Elapsed Bottom Bottom Depth to
<br /> Level mrrVdd/yy Time of Casing of Hole Water C California Barrel
<br /> i 01/19/16 8:30 None 30' 30' 28' 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 /> o
<br /> -C
<br /> 10 � m Soil:Density/consistency,color,GROUP NAME,max.particle size, E ^ N
<br /> 0) structure,odor,moisture,optional descriptions,geologic interpretation i0 0 ^ ^ m y
<br /> O b 10 Rock:Hardness,weathering,color,LITHOLOGY,texture,
<br /> m r$' a o Y U a
<br /> w v joint spacing,drilling rate(min./ft.) 0
<br /> � 2 in i—L _J a rn <n
<br /> S 3 8 Dense,tan,well graded SAND with sift and ravel SW-SM,some
<br /> 29 ft 17.9 77.6 4.5
<br /> 9.0-3o. 15 :::::c;: 9 9 ( )
<br /> 30 0s 20 Lcc±ic fine to medium grained sand,some coarse sand,few fines,wet, no
<br /> 15" a:c
<br /> .:.:.:.:.:.:.: odor.
<br /> ,aa:,aaa:
<br /> -COARSE ALLUVIUM-
<br /> c,a'.cc,a:
<br /> ccrnaa:
<br /> 35 4600 ;;;;',;: 30-35',drill rig chatter,possible cobbles.
<br /> S-4 4 Top 8",As above.
<br /> 9.0-40. 20 "''' 39.67 ft.
<br /> 40 8ss 16„ 50/3" Bottom 8"Soft,moderately to highly weathered,sandy SILTSTONE
<br /> (BR),blocky,little iron-oxide staining.
<br /> PIERRE SHALE-
<br /> R-1 2 ft. 31.8
<br /> 2.0-45. 42-42.58'Hard,fresh,light-gray,LIMESTONE/SILTSTONE(BR),
<br /> 19\14 stepped,planar,smooth,highly cemented,effervesced with
<br /> hydrochloric acid,fossiliferous.
<br /> 2.58 ft.
<br /> 45 eso R_2 42.58-45'Core loss.
<br /> 45-48'Core Loss.
<br /> s.0-50.
<br /> 40\17
<br /> 48-50'Moderately hard,fresh,dark-gray/gray,interbedded
<br /> CLAYSTONE/SILTSTONE(BR),laminated,horizontal bedding,
<br /> smooth,moderately to highly cemented.
<br /> 50 e8s R-3 50-50.67'Core Loss
<br /> 0-55. 50.67-55'Moderately hard,fresh,dark gray,interbedded
<br /> 87\23 CLAYSTONE/SILTSTONE(BR),laminated,smooth,horizontal
<br /> bedding,moderately to highly cemented.
<br /> 55 4580 55 ft.
<br />
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