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SIGNAL RESERVOIR MODIFICATIONS/IMPROVEMENTS <br /> BRIGHTON,COLORADO <br /> PROJECT NO' 1122096 DATE: NOVEMBER 2012 <br /> LOG OF BORING B-5 APPROX GROUND SURFACE ELEVATION=5139 <br /> RIG TYPE: CME45 SHEET 1 OF 1 WATER DEPTH <br /> FOREMAN: DG START DATE 10/29/2012 WHILE DRILLING 17 22 0' <br /> AUGER TYPE 4"CFA FINISH DATE 1 10/29/2012 AFTER DRILLING NIA <br /> SPT HAMMER: MANUAL N 39 99794,W 104.89833 24 HOUR N/A <br /> SOIL DESCRIPTION D N ou MC Do A-LIMITS -200 SWELL <br /> TYPE (FEET) (BLOWS/FT) (PSF) (%) (PCF) LL PI (%) PRESSURE % 500 PSF <br /> SANDY LEAN CLAY(CL) 1 <br /> brown <br /> stiff to very stiff 2 <br /> with calcareous deposits _ <br /> 3 <br /> 4 <br /> SS 5 13 9000+ 116 <br /> 6 <br /> 7 <br /> 8 <br /> 9 <br /> Composite Sample"A"B-1 and B-5 Ell <br /> 10 9 9000+ 176 30 12 37.5 <br /> *10 O'to 20 0 below existing site grades <br /> -- <br /> Standard Proctor Density-ASTM D698 Results 11 <br /> Maximum Dry Density=116 0 pcf <br /> Optimum Moisture Content =13 5 12 <br /> Sod Classification-CLAYEY SAND(SC) <br /> 13 <br /> 14 <br /> ESS - - <br /> 15 18 8000 16.9 30 12 375 <br /> 16 <br /> 17 <br /> SANDSTONE I SILTSTONE I CLAYSTONE 18 <br /> brown/grey/rust <br /> moderately hard to hard 19 <br /> -- <br /> ESS <br /> 20 5015" 18.2 <br /> 21 <br /> 0 <br /> 22 <br /> 23 <br /> 24 <br /> SS 25 50/5" — 26.2 <br /> BOTTOM OF BORING DEPTH 25 5' <br /> Earth Engineering Consultants <br />