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TEST BORING REPORT Boring No. BAP-4 <br /> Sheet No. 1 of 2 <br /> BRIERLEY Project: Loloff Slurry Wall File No. 514094-000 <br /> ASSOCIATES Client: Hall Irwin Corporation Start: 01/19/16 <br /> Creonnq Soc<c Jncer rcuna <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 mm/dd/yy Time of Casing of Hole Water C California Barrel <br /> 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 /> Visual-Manual Identification and Description Laboratory Results <br /> N <br /> (J a� a o <br /> N A m Soil:Density/consistency,color,GROUP NAME,max.particle size, ^ a 3 <br /> structure,odor,moisture,o tonal descriptions,geologic interpretation m to <br /> w <br /> Rock:Hardness,weathering,color,LITHOLOGY,texture, m d ^ o y <br /> 0 W C, m a� <br /> E joint spacing,drilling rate(min./ft.) — U a <br /> n > o o o N aS <br /> rr c� in LL � a � cn fn <br /> 0 4635 <br /> r.rex' <br /> •rr:rx <br /> e,!l <br /> hrx�• <br /> X•Y.P.;T' <br /> rr:ra <br /> :.evt ' <br /> 5 as3o rr%� <br /> rrz� <br /> r.r.Ru• <br /> rr:r.R' <br /> r,r:R! <br /> S-1 3 �Rfa Top 7",Loose,tan,poorly graded SAND with silt and clay(SP-SC), 29.8 26 9 <br /> 10 zs 9.0-10.5 5 mostly fine to medium grained sand,little fines, no odor,dry. <br /> 13" 4 <br /> COARSE ALLUVIUM- <br /> 9.6 ft. <br /> Bottom 6",Stiff,black/gray,FAT CLAY(CH),clay extends to 13'. <br /> -FINE ALLUVIUM- <br /> et i o loci 13 ft. <br /> af'ilxt <br /> :i i i'1iEd <br /> LYlit'a; <br /> eiiiiStic <br /> 15 aszo <br /> n<rr.r <br /> 11: <br /> 61 ) <br /> rt8C.,e. <br /> !tt M:ci <br /> :ru1n:L <br /> r.{j�r;n• <br /> C1T/:Gi <br /> Ctl1]:L'4 <br /> S-2 15 'ftii l Very dense,tan,poorly graded SAND with sift(SP-SM),mostly fine <br /> 1•'4 <br /> 20 sls 19.0-20. 25 , ,;; to medium grained sand,little to some coarse sand,few to little fines, <br /> 15" 30 : ri trace gravel,no odor,dry. <br /> ctt iiici -COARSE ALLUVIUM- <br /> rljNi:� 20.5-30'drill chatter,possible cobbles. <br /> Gv11a;t <br /> :n'rr:r.t <br /> :H3r f� <br /> :f!{o):I:L cn <br /> Yl)lt:i i <br /> 25 asla <br /> Ct)17:1•r, <br /> :PI I17:6 <br /> if??1Skf <br /> — 21TP:S. <br /> '811181't <br /> Maximum particle size is determined by direct observation within the limitations of the sampler. <br /> Boring No:BAPS <br /> NOTE:Soil and rock identification based on visual-manual methods of the USCS as practiced by Brierley Associates. <br />