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SIGNAL RESERVOIR MODIFICATIONS/IMPROVEMENTS <br /> BRIGHTON,COLORADO <br /> PROJECT NO 1122096 DATE NOVEMBER 2012 <br /> LOG OF BORING B-6 APPROX GROUND SURFACE ELEVATION=5143 <br /> RIG TYPE: CME45 SHEET 1 OF 2 WATER DEPTH <br /> FOREMAN DG START DATE 7 10/30/2012 WHILE DRILLING 17 28.0' <br /> AUGER TYPE: 4"CFA FINISH DATE 1 1 013 01201 2 AFTER DRILLING N/A <br /> SPT HAMMER MANUAL N 39 99750,W 104.89651 24 HOUR NIA <br /> SOIL DESCRIPTION D N ou Mc Do A-LIMITS -200 SWELL <br /> TYPE (FEET) (BLOWS/FT) (PSF) (%) (PCF) LL PI (%) PRESSURE %g H.PSF <br /> TOPSOIL&VEGETATION <br /> 1 <br /> SANDY LEAN CLAY(CL) _ <br /> brown/tan 2 <br /> stiff to very stiff _ <br /> 3 <br /> 4 <br /> Composite Sample"D"B4 and B-6 <br /> "UPPER 10-feet of cohesive subsoils SS 5 24 1 9000+ 142 1 47 17 46.7 <br /> Standard Proctor Density-ASTM D698 _ <br /> Maximum Dry Density=106 5 pcf 6 <br /> Optimum Moisture Content =17 0 _ <br /> Soil Classification-CLAYEY SAND(SC) 7 <br /> 8 <br /> 9 <br /> CLAYSTONE I SILTSTONE SS 10 32 7000 172 <br /> brown/grey/rust <br /> with calcareous deposits 11 <br /> moderately hard to hard <br /> 12 <br /> 13 <br /> 14 <br /> Composite Sample"F"B-6 within Bedrock <br /> 'Approximately 10'-20'below existing grades E <br /> 15 26 9000+ 23.1 72 22 81.6 <br /> Soil Classification-FAT CLAY wl SAND(CH) <br /> 16 <br /> 17 <br /> 18 <br /> 19 <br /> SS 20 44 9000+ 175 <br /> 21 <br /> 22 <br /> 23 <br /> 24 <br /> SS 25 32 9000+ 183 <br /> Continued on Sheet 2 of 2 <br /> Earth Engineering Consultants <br />