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BRAUN" LOG OF BORING <br /> INTERTEC <br /> Braun Project BL-07-02022A BORING: ST-13 <br /> GEOTECHNICAL EVALUATION LOCATION: See attached sketch. <br /> Orono Villas Residential Development <br /> Hwy. 12&Luce Line Trail <br /> Orono,Minnesota <br /> DRILLER: Chris Powers METHOD: 31/4"HSA Autohammer DATE: 6/20/07 SCALE: 1"=4' <br /> Elev. Depth Description of Materials <br /> feet feetBPF WL Tests or Notes <br /> 961.6 0.0 Symbol (Soil-ASTM D2488 or D2487,Rock-USAGE EM1110-1-2908) <br /> FILL 4+4 FILL: Sandy Lean Clay,dark brown,wet. Benchmark: Surface <br /> _ ;•;•;: elevations at the boring <br /> ❖:4 locations were acquired with <br /> 959.6 2.0 :❖.' GPS technology. Reference <br /> CL LEAN CLAY,with Grass,black,wet. the report for further details. <br /> (Swamp Deposit) _, 5 <br /> 956.6 5.0 / a <br /> SP POORLY GRADED SAND with SILT,fine-to ( 3 An open triangle in the water <br /> o _ SM coarse-grained,with Lean Clay layers, brown, level(WL)column indicates <br /> waterbearing,loose. the depth at which <br /> _ (Alluvium) — groundwater was observed <br /> �� 8 while drilling. A solid triangle <br /> — indicates the groundwater <br /> o level in the boring on the date <br /> o — — indicated. Groundwater <br /> levels fluctuate. <br /> m <br /> 1 7 <br /> x 950.6 11.0 <br /> o CL SANDY LEAN CLAY,with a trace of Gravel,brown to — <br /> _ 14 feet then gray,wet, medium to rather stiff. <br /> L (Glacial Till) <br /> _ <br /> I9 <br /> 0y — <br /> — <br /> a) <br /> 7 <br /> - � 1 <br /> 938.6 23.0 <br /> 3 CL- OW SILTY CLAY,gray,wet, rather stiff. <br /> — ML �000# (Glacial Till) _ <br /> i#i#0# <br /> iiiii <br /> iiiii <br /> 0 935.6 26.0 iiiii <br /> Z END OF BORING. <br /> _ <br /> Water observed at 5 feet with 5 feet of hollow-stem <br /> — auger in the ground. — <br /> o — Water not observed to cave-in depth of one foot — <br /> �, immediately after withdrawing the auger. <br /> Z _ <br /> Boring immediately backfilled. <br /> _ <br /> S <br /> BL-07-02022A Braun Intertec Corporation ST-13 page 1 of 1 <br />