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SIGNAL RESERVOIR MODIFICATIONS/IMPROVEMENTS <br /> BRIGHTON,COLORADO <br /> PROJECT NO 1122096 DATE. NOVEMBER 2012 <br /> LOG OF BORING B4 APPROX.GROUND SURFACE ELEVATION=5155 <br /> RIG TYPE CME45 SHEET 1 OF 2 WATER DEPTH <br /> FOREMAN DG START DATE 10/29/2012 WHILE DRILLING None <br /> AUGER TYPE. 4"CFA FINISH DATE 1 012912 01 2 AFTER DRILLING N/A <br /> SPT HAMMER MANUAL N 39 99670,W 104.89476 24 HOUR N/A <br /> SOIL DESCRIPTION D N DU MC DD A-LIMITS -200 SWELL <br /> TYPE (FEET) (BLOWS/FT) (PSF) (%) (PCF) LL PI (%) PRESSURE % 500 PSF <br /> SPARSE VEGETATION <br /> 1 <br /> SANDY LEAN CLAY(CL) <br /> brown 2 <br /> medium dense <br /> with calcareous deposits 3 <br /> 4 <br /> Composite Sample"D"B4 and B-6 <br /> *UPPER 10-feet of cohesive subsoils FSS <br /> 5 21 9000+ 16.1 47 17 467 <br /> Standard Proctor Density-ASTM D696 <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 /> SS 10 4119" 4000 238 <br /> SILTSTONE/SANDSTONE ICLAYSTONE _ <br /> brown/rust/grey 11 <br /> moderately hard to hard <br /> 12 <br /> 13 <br /> 14 <br /> ES, - - <br /> 15 21 6000 31.6 <br /> 16 <br /> 17 <br /> Composite Sample"E"B4 within Bedrock <br /> *UPPER 10-feet of bedrock(10'-20'below existing grades 18 <br /> Standard Proctor Density-ASTM D698 _ <br /> Maximum Dry Density=104 0 pcf 19 <br /> Optimum Moisture Content =18 0 <br /> Soil Classification-SANDY LEAN CLAY(CL) ESS <br /> --20 28 9000+ 240 48 13 59 1 <br /> 21 <br /> 22 <br /> 23 <br /> 24 <br /> with calcareous deposits <br /> E - - 1 <br /> 25 37 9000+ 265 <br /> Continued on Sheet 2 of 2 <br /> Earth Engineering Consultants <br />