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<br />I <br /> <br />I <br /> <br />I <br /> <br />I <br /> <br />I <br /> <br />I <br /> <br />I <br /> <br />I <br /> <br />I <br /> <br />I <br /> <br />I <br /> <br />I <br /> <br />I <br /> <br />I <br /> <br />I <br /> <br />I <br /> <br />I <br /> <br />I <br /> <br />I <br /> <br />BRAUN'" <br /> <br />INTERTEC <br /> <br />Braun Project BN-04-06875 <br />Geotechnical Evaluation <br />2005 City Street Improvements <br />Elk River, Minnesota <br /> <br />DRILLER: L Chennak <br /> <br />Elev. <br />feet <br />891.5 <br /> <br />890.7 <br />~ <br /> <br />Depth <br />feet <br />0.0 <br /> <br />0.8 <br /> <br />AS1M <br />Symbol <br />PAY <br />FILL <br /> <br />I- <br /> <br />f- <br /> <br />f- <br /> <br />886.5 <br />886.0 <br />~- <br />o <br />"J:l <br />.~ - <br />~ <br />.D <br />.0 <br />c>1 <br />.... <br />o <br />a <br />-.c <br />~~ <br />]f- <br />o <br />... <br /><2 <br />...f- <br />o <br />l! <br />~I- <br />.!2f- <br />g <br />l~f- <br />~ <br />~f- <br />-.c <br />g- <br />o <br />'" <br />o <br />0- <br />o <br />o <br />~- <br /> <br />5.0 <br />5.5 <br /> <br />- <br /> <br />~ <br />0\ <br />'" <br />.... <br />g <br />~f- <br /> <br />til- <br />e <br />?h- <br />;:J <br />(tIf- <br />;;:: <br />e <br />~r- <br />'" <br />~'- <br /><II <br /> <br />8- <br />...I <br />(J <br />~- <br /><II <br />~ <br />~ <br /> <br />BN-O.l-06S75 <br /> <br />LOG O~F BORING <br /> <br />BORING: <br /> <br />ST-8 <br /> <br />LOCATION: See attached sketch. <br /> <br />I METIIOD: 3 1/4" HSA, Autolunr <br /> <br />I SCALE: <br /> <br />11/1/04 <br /> <br />DATE: <br /> <br />1"=4' <br /> <br />Description of Materials <br />(AS1M 02488 or D2487) <br />3" Bituminous over 6" Aggregate Base. <br /> <br />FILL: Poorly Graded Sand with Silt, fine-grained, with - <br />layers of dark brown Silty Sand, brown, moist to <br />waterbearing. <br /> <br />BPF WL <br /> <br />Tests or Notes <br /> <br />5 <br /> <br />- <br /> <br />- <br /> <br />;,J-.;;-... ~ ~t: 13....I!.t-~ .T'fh46.(;~~~ - <br />SP..:.. POORLY GRADED SAND, fine- to medium.:gnrined, f <br />\ gray, waterbearing, very loose. <br />r "(AlluviUm) <br />END OF BORING. _ <br /> <br />2 <br /> <br />'5l- <br /> <br />Water observed at 4 1/2 feet while drilling. <br /> <br />Water not observed to cave-in depth of 41/2 feet <br />immediately after withdrawal of auger. <br /> <br />Boring then backfilled. . <br /> <br />- <br /> <br />- <br /> <br />- <br />- <br />- <br />- <br />- <br />-- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />ST-8 page) of) <br /> <br />Braun [ntertec CorporatIOn. St Paul <br />