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RJH Consultants, Inc. <br /> 16109.ab»Gros Gravel Pit By. JPK Date:.3/16/2016 <br /> MinUp tVhwall 175 a from property boundary ABP 3/16/16 <br /> Rapid dri irdown with residual bedrock strength In too 5 it Checked:_ Date: <br /> Failure surfaces that extend beyond the property ApproveC� - Date.3/2S A. <br /> boundary were evalwted.The ten most critical failure <br /> swfam are shown.The critical failure surface was Name:Overburden Clay-Undrained <br /> optimized and Is bolted. Model:Bilinear <br /> Unit Weight 125 pef Property <br /> Unit Wt Above Water Table:120 pef Boundary <br /> Cohesion:0 psf <br /> 4.56 — 1.20 Ph;1:28 <br /> Phi 2:0- <br /> Bilinear Normal:940 psf <br /> 4.55 <br /> Name:Overburden Clay-Drained <br /> Unit Weight pef <br /> 4.54 # unit Wt Above Water Table:120 c <br /> p` "k' • Phhesio•n:0 psf <br /> ___••__•____•_-__"'^_..•-."'................' --. i:28 <br /> 4.53 <br /> PRz we Une:1 <br /> �. <br /> 4.52 9 ;< <br /> _ Name.sand a Gravel <br /> ,. Model:Mohr-Coulomb <br /> 4.51 — Unit Weight 132 pd <br /> Unit Wt Above Water Table:122 r <br /> Cohesion:0 psf <br /> ., ...._...:...- Phi:30 <br /> _. r Piezometrlc Line•.1 <br /> 4.48 <br /> s <br /> MC <br /> "If <br /> 4.47 — <br /> 4.46 <br /> 0 25 50 75 100 125 150 175 200 225 250 <br /> Distance <br />