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TURNPIKE RESERVOIR <br />ERIE, COLORADO <br />PROJECT N0: 1082030 DATE: APRIL 2008 <br /> LOG OF BORING B-2 APPROX. GROUND SURFACE ELEV. 4936.4 <br />RIG TYPE: CME-75 SHEET 1 OF 2 WATER DEPTH <br />FOREMAN: DG START DATE 312412008 WHILE DRILLING 14.0' <br />AUGER TYPE: 4-114" H.S.A. FINISH DATE 312412008 AFTER DRILLING N/A <br />SPT HAMMER: AUTOMATIC N 40" 05'52.4'* - W 105° 02'55.1" 24 HOUR N/A <br />SOIL DESCRIPTION o N cu Mc DD A•LIMITS 400 SWELL <br />TYPE (FEET) (BLOWS/FT) (PSF) (%) (PCF) LL PI (%) PRE88URE %Q 600 PSF <br />SPARSE VEGETATION <br /> 1 <br />CLAYEY SAND (SC) _ <br />brown, moist, loose to medium dense 2 <br /> 3 <br /> 4- <br /> SS 5 6 15.9 31 15 43.4 <br /> 6 <br /> 7 <br /> 8 <br /> 9 <br /> SS 10 3 22.7 <br /> 11 <br /> 12 <br />4923 13 <br />CLAYSTONEISANDSTONE /SILTSTONE <br />gray 14 <br />weathered, moderately hard to hard <br />I <br /> CS 15 50111" 9000+ 12.6 122.2 < 500 sf 0.1% <br /> 16 <br /> 17 <br /> 18 <br /> <br />F <br />- 19 <br /> c <br />s 20 5016" 9000+ 16.9 105.0 <br /> 21 <br /> 22 <br /> 23 <br /> 24 <br />'intermittent sandstone lens SS 25 5013" 14.6 <br />Continued on Sheet 1 of 2 <br />Earth Engineering Consultants