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SIGNAL RESERVOIR MODIFICATIONS/IMPROVEMENTS <br /> BRIGHTON,COLORADO <br /> PROJECT NO' 1122096 DATE NOVEMBER 2012 <br /> LOG OF BORING B-2 APPROX.GROUND SURFACE ELEVATION=5145 <br /> RIG TYPE CME45 SHEET 1 OF 2 WATER DEPTH <br /> FOREMAN DG START DATE 10/29/2012 WHILE DRILLING 25 0' <br /> AUGER TYPE 4"CFA FINISH DATE 1 10/29/2012 AFTER DRILLING NIA <br /> SPT HAMMER MANUAL N 39 99639,W 104.89964 124 HOUR NIA <br /> SOIL DESCRIPTION D N DU MC DD A-LIMITS -200 SWELL <br /> TYPE (FEET) (BLOWS/FT) (PSF) {%)MC ( <br /> LL I PI (%) PRESSURE % SOOPSF <br /> TOPSOIL&VEGETATION _ <br /> 1 <br /> LEAN CLAY with SAND(CL) <br /> brown 2 <br /> stiff to very stiff <br /> with calcareous deposits 3 <br /> 4 <br /> SS 5 17 9000+ 11.4 1 47 19 813 <br /> Composite Sample"C"B-2 and B-3 <br /> 'UPPER 10-feet of cohesive subsoils 6 <br /> Standard Proctor Density-ASTM D698 Results _ <br /> Maximum Dry Density=104 0 pcf 7 <br /> Optimum Moisture Content =18 0 <br /> Soil Classification-LEAN CLAY with SAND(CL) 8 <br /> 9 <br /> ESS <br /> 10 33 9000+ 89 <br /> 11 <br /> 12 <br /> 13 <br /> 14 <br /> SS 15 22 9000+ 140 <br /> CLAYEY SAND(SC) <br /> brown/rust 16 <br /> medium dense to dense <br /> 17 <br /> 18 <br /> 19 <br /> traces of gravel with depth Ell <br /> 20 36 9000+ 129 <br /> 21 <br /> 22 <br /> 23 <br /> 24 <br /> 0 <br /> SANDSTONEISILTSTONEICLAYSTONE SS 25 40 — 14.9 <br /> Continued on Sheet 2 of 2 _ _ <br /> Earth Engineering Consultants <br />