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ill, <br />TURNPIKE RESERVOIR <br />ERIE, COLORADO <br />PROJECT NO: 1082030 DATE; APRIL 2008 <br /> LOG OF BORING B-4 APPROX. GROUND SURFACE ELEV. 4939.1 <br />RIG TYPE: CME•75 SHEET 1 OF 2 WATER DEPTH <br />FOREMAN: DG START DATE 312412008 WHILE DRILLING 8.5' <br />AUGER TYPE: 4.114" H.S.A. FINISH DATE 312412008 AFTER DRILLING NIA <br />SPT HAMMER: AUTOMATIC N 40" 06'02.7" • W 106'02'53.V' 24 HOUR N/A <br /> b N QU MC DD A-LIMITS -200 SWELL <br />SOIL DESCRIPTION <br />TYPE (FEET) (BLOWSlFT) (PSF) (%) (PCF) LL PI (X) PRESSURE %@ 600 PSF <br />SPARSE VEGETATION <br /> 1 <br />SANDY LEAN CLAY (CL) _ <br />brown 2 <br />stiff to very still _ <br />with scattered gravel 3 <br /> 4 <br /> SS 5 13 9000+ 15.3 27 11 50.7 <br /> 6 <br /> 7 <br />i <br />i <br /> - - I <br />8 <br />4931 _ <br />SILTY SAND WITH GRAVEL 9 <br />gray, rust, medium dense to very dense _ _ <br /> <br /> SS 10 8 14.8 <br /> 11 <br /> 12 <br />2 <br /> 13 <br /> 14 <br />interbedded cobbles with increased depths SS 15 5019" 15.3 <br /> <br /> 16 <br /> 17 <br />4921 18 <br />CLAYSTONE/SANDSTONE /SILTSTONE _ <br />gray 19 <br />weathered, moderately hard to hard _ <br /> F <br /> C <br />S 20 5018" 9000+ 12.9 122.0 <br /> 21 <br /> 22 <br /> 23 <br /> 24 <br /> SS 25 6016" 9000+ 13.8 <br />Continued on Sheet 1 of 2 <br />eartn engineering consultants