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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 />I NTERTEC <br /> <br />Braun Project BN-04-06875 <br />Geotechnical Evaluation <br />2005 City Street Improvements <br />Elk River, Minnesota <br /> <br />DRILLER: J _ Chermak <br /> <br />Elev_ <br />feet <br />888.0 <br />887.4 <br /> <br />Depth <br />feet <br />0.0 <br />0.6 <br /> <br />AS1M <br />Symbol <br />PAY <br />FILL <br /> <br />- <br /> <br />- <br /> <br />884.0 <br /> <br />4.0 <br /> <br />SP <br /> <br />-882.5 <br />~ <br />o <br />~t- <br />;> <br />~ <br />:;51- <br />'" <br />'+-< <br />~I- <br />-g <br />~- <br />'" <br />q <br />~- <br />'"' <br /><2_ <br />., <br />~ <br />"'- <br />g <br /><5 <br />c: <br />-@- <br />~ <br />., <br />;> <br />~ <br />.... <br />o <br />'" <br />., <br />Q- <br />., <br />., <br />~I- <br /> <br />5.5 <br /> <br />f--- <br /> <br />I- <br /> <br />M <br />~ <br />~f- <br />..,. <br />" <br />~I- <br /> <br />.... - <br />Cl <br />o <br />~- <br />~ <br />01 <br />;:: <br />o <br />.,.; <br />:;; <br />"" <br />~ <br />o <br />;z; <br />01 <br />o <br />o <br />-' <br />u <br />~- <br />'" <br />z <br />=> <br />:S <br />:;; <br /> <br />BN.04.06~7:> <br /> <br />I METHOD: 3 1/4" HSA, Autolum <br /> <br />Description of Materials <br />(ASTM D2488 or D2487) <br />4" Bituminous over 4" AggrCQate Base. <br />FILL: Poorly Graded Sand with Silt, fine- to <br />medium-grained, dark brown, wet. <br /> <br />POORLY GRADED SAND, fine.- to medium-grained, <br />gray, waterbering, very loose. <br />(Alluvium) <br />END OF BORING. . <br /> <br />Water observed at 4 feet while drilling. <br /> <br />Water observed at 4-foot depth immediately after <br />withdrawal of auger_ <br /> <br />Boring then backfilled. <br /> <br />Braun [ntertec Corpomtlon, $( Paul <br /> <br />BORlNG: <br /> <br />LOG OF BORING <br /> <br />ST-2 <br /> <br />LOCATION: See attached sketch. <br /> <br />DATE: 11/1/04 <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 />- <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 />- <br /> <br />- <br /> <br />- <br /> <br />- <br /> <br />- <br /> <br />BPF WL <br /> <br />7 <br /> <br />4 <br /> <br />I SCALE: <br /> <br />1"=4' <br /> <br />Tests or Notes <br /> <br />- <br /> <br />'Sl <br /> <br />An open triangle in the water <br />level (WL) column indicates <br />the depth at which groundwater <br />was observed while drilling. <br /> <br />ST-2 page I of! <br />