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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 />Depth <br />feet <br />0.0 <br /> <br />DRIILER: J. Chermak <br /> <br />Elev. <br />feet <br />9035 <br /> <br />902.7 <br /> <br />8995 <br /> <br />-898.0 <br />~ <br />o <br />.+:: <br />.~t-- <br />2: <br />ill- <br /><d <br />..... <br />~t-- <br />o <br />"+:I <br />~'-- <br /><d <br />~- <br />., <br />... <br /><E <br />_r- <br />II <br />"'I- <br />~ <br />'Or- <br />s:: <br />'g r--- <br />~ <br />., <br />> <br />"+:I <br />.~ <br />(,l <br />~ <br />Cl <br />., <br />., <br />~ <br /> <br />- <br /> <br />I- <br /> <br />'" <br />gt-- <br />~ <br />~I- <br /> <br />!-or- <br />g <br />z_ <br />~ <br />a:l_ <br />;;: <br /><:> <br />~..:.... <br />co <br />'" <br />o <br />... <br />~ <br />a:l <br /><:> <br />9 <br />o <br />~- <br />a:l <br />Z <br />::> <br />;;2 <br /> <br />BN-04-Ob875 <br /> <br />AS1M <br />Symbol <br />0.8 PAY <br />FilL <br /> <br />4.0 <br /> <br />SP <br /> <br />55 <br /> <br />BORlNG: <br /> <br />LOG OF BORING <br /> <br />ST-IO <br /> <br />LOCATION: See attached sketch. <br /> <br />I ME1HOD: 31/4" HSA, Autolurn <br /> <br />DATE: <br /> <br />Description of Materials <br />(AS1M 02488 or 02487) <br />4" Bituminous over 6" Aggregate Base. <br />FILL: Poorly Graded Sand with Silt, fine-grained, brown, - <br />moisl <br /> <br />POORLY GRADED SAND, fine- to coarse-grained, trace <br />of Gravel, brown, moist, loose.. . _ <br />i Alluvium) <br />END OF BORlNG. _ <br /> <br />Water not observed during drilling. <br /> <br />Water not observed with 4 feet of hollow-stem auger in - <br />the ground. <br /> <br />Water not observed to cave-in depth of3 1/2 feet <br />immediately after withdrawal of auger. <br /> <br />Boring then backfilled. <br /> <br />- <br /> <br />- <br /> <br />Braun lntcrrec Corporation. 5t Paul <br /> <br />- <br /> <br />- <br /> <br />- <br /> <br />- <br /> <br />- <br /> <br />- <br /> <br />- <br /> <br />11/1/04 <br /> <br />BPF WL <br /> <br />- <br /> <br />7* <br /> <br />5 <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 />I SCALE: <br /> <br />1" =4' <br /> <br />Tests or Notes <br /> <br />* MC = 7% <br />noo = 7% <br /> <br />ST-IO page I of I <br />