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TEST BORING REPORT Boring No. BA-5 <br /> Sheet No. 1 of 2 <br /> BRIERLE Project: Loloff Slurry Wall File No. 514094-000 <br /> ASSOCIATES <br /> amn spaawee, e Client: Hall Irwin Corporation Start: ovls/16 <br /> 990S.Broadway Drilling Contractor: Finish: 01/19/16 <br /> Suite 222 Driller: Rocky <br /> Denver,Colorado 80209 Casing Sampler Barrel Drilling Equipment and Procedures BA Rep.: Chris Kams <br /> Type Rig Make&Model: CME-55 Elevation: 4634.49 <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. Southwest comer of the gravel pit,100' <br /> Hammer Fall(in.) 1 3 <br /> Casing: HSA north of the corner on the west side. <br /> 0" <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 /> !1-- 01/19/16 10:45 None 25' 25' 25' 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 /> 75 o <br /> r <br /> 3 m Soil:Density/consistency,color,GROUP NAME,max.particle size, E ^ N <br /> o Via' 3 structure,odor,moisture,optional descriptions,geologic interpretation m a 3 in <br /> a) m Rock:Hardness,weathering,color,LITHOLOGY,texture, <br /> w E m joint spacing,drilling rate(min./ft.) <br /> N o 0 <br /> [r C7 !n ii it Z (n <br /> 0 0-5',clayey SAND(SC). <br /> -COARSE ALLUVIUM- <br /> 4630 <br /> 5 5 ft. <br /> &10',poorly graded SAND(SC). <br /> -COARSE ALLUVIUM- <br /> �25 S-1 8 Medium dense,tan,poorly graded SAND with silt(SP-SM),mostly <br /> 10 9.0 10.5 7 fine to medium grained sand,few to little fines,trace of coarse sand, <br /> 2" 5 no odor,dry,angular gravel in the nose of the sampler from a cobble <br /> 4620 <br /> 15 <br /> S-2 35 19 ft. 39.4 55.6 5 <br /> s1s ' "'-N Very dense,tan/light-brown,poorly graded SAND with silt and ravel <br /> 19.0-20. 50/6" clr�w. fY 9 P Y 9 9 <br /> 20 (SP-SM),mostly fine to medium grained sand,few fines,some <br /> 13" :a Irra1l;�.� gravel,no odor, slightly moist. <br /> 'a ilwr <br /> calo rri <br /> .iiri•r,r <br /> +7:Ht:Gt <br /> rtJ 11:1°C <br /> I:{ti lSCt <br /> i:ti+ti,r <br /> 4610 r,[J Ii:Ct <br /> 25 <br /> cnro•rr <br /> Z771:ri <br /> 1 tI:CG <br /> :tf <br /> n rar <br /> 611d iuf Drill Rig chatter-possible cobbles. <br /> clrrr.+ <br /> °ntsac <br /> Maximum particle size is determined by direct observation within the limitations of the sampler. <br /> Boring No:BA-5 <br /> NOTE:Soil and rock identification based on visual-manual methods of the USCS as practiced by Brierley Associates. <br />