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TURNPIKE RESERVOIR <br />ERIE, COLORADO <br />PROJECT NO: 1082030 <br />DATE: APRIL 2008 <br /> LOG OF BORING B-1 APPROX. GROUND SURFACE ELEV. 4934 <br />0 <br />RIG TYPE: CME-75 SHEET 1 OF 2 . <br />WATER DEPTH <br />FOREMAN: DG START DATE 3/24/2008 WHILE DRILLING None <br />AUGER TYPE: 4-1/4" H.S.A. FINISH DATE 3124/2008 AFTER DRILLING N/A <br />SPT HAMMER: AUTOMATIC N 40'06'01 <br />01" -W 105° 02'38 <br />0" <br /> . <br />. 24 HOUR N/A <br />SOIL DESCRIPTION N oU Mc Do A-LIMITS .200 SWELL <br /> TYPE (FEET) (BLOWSIFT) (PSF) (%) (PCF) LL PI I%) PRESSURE %Q 500 PSF <br /> <br />CLAYEY SAND 8 GRAVEL SS 1 33 10,7 <br />tan, grey, medium dense to dense <br /> 2 <br /> 3 <br /> 4 <br />4930 <br />SILTY SAND WITH GRAVEL SS 6 34 2,7 <br />Ian, grey, dense to very dense <br /> 6 <br /> 7 <br /> - - <br />8 I <br />• interbedded cobbles with increased depths 9 <br /> SS 10 45110" 3.5 <br /> 11 <br /> 12 <br /> 13 <br />4920 14 <br />CLAYSTONE/SANDSTONE lSILTSTONE _ <br />gray CS 16 44 9000+ 14.8 117.9 35 17 70.0 <500 sf None <br />weathered, moderately hard to hard <br /> 16 <br />(classified as SANDY LEAN CLAY) <br /> 17 <br /> 18 <br /> 9 <br /> CS 2 60/6" 9000+ 10.9 99.9 <br /> 21 <br /> 22 <br /> 23 <br /> 24 <br /> C 26 6016" 9000+ 16.2 96.7 <br />Continued on Sheet 1 of 2 <br />Earth Engineering Consultants