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TURNPIKE RESERVOIR <br />ERIE, COLORADO <br />PROJECT NO: 1082030 DATE: APRIL 2008 <br /> LOG OF BORING B-3 APPROX. GROUND SURFACE ELEV. 4941.1 <br />RIG TYPE: CME-75 SHEET 1 OF 2 WATER DEPTH <br />FOREMAN: DG START DATE 3/2412008 WHILE DRILLING <br />AUGER TYPE: 4-1/4" H.S.A. FINISH DATE 3/2412008 AFTER DRILLING NIA <br />SPT HAMMER: AUTOMATIC N 40° 05'58.0" - W 105° 02'66.5" 24 HOUR NIA <br />SOIL DESCRIPTION 0 N ou MC DD A+LIMiTS -200 SWELL <br />TYPE (FEET) (BLOWSfFT) (PSF) (%) (PCF) LL Pr (%) PRESSURE %Q 600 PSF <br /> <br />SANDY LEAN CLAY (CL) 1 <br />brown _ <br />stiff 2 <br />with scattered gravel <br /> 3 <br /> 4 <br /> SS 5 5 2500 26.3 <br /> 6 <br /> 7 <br /> 8 <br />4932 9 <br />SILTY SAND WITH GRAVEL _ <br />tan, grey, rust, medium dense to dense SS 10 11 12.6 <br /> 11 <br /> 12 <br /> 13 <br /> 14 <br /> SS 15 5019" 8.6 <br /> 16 <br />interbedded cobbles with increased depths _ <br /> 17 <br />4923 18 <br />CLAYSTONE/SANDSTONE /SILTSTONE <br />gray 19 <br />moderately hard to hard <br />I _ <br /> CS 20 SOW, 9000+ 12.7 122.2 37 18 87.8 2500 pef 1.9% <br />classified as (LEAN CLAY - CL) _ <br /> 21 <br /> 22 <br /> 23 <br /> 24 <br /> SS 25 5016" 9000+ 14.2 <br />Continued on Sheet 1 of 2 <br />Earth Engineering Consultants