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5000 <br />4900 <br />4800 <br />O <br />CRITICAL SHEAR SURFACE COORDINATES <br />POINT <br />2 <br />4 <br />5 <br />6 <br />7 <br />8 <br />9 <br />X- COORDINATE <br />245.00 <br />289.97 <br />371.40 <br />408.02 <br />450.32 <br />481.14 <br />552.97 <br />619.91 <br />631.67 <br />Y- COORDINATE <br />4830.00 <br />4833.44 <br />4841.65 <br />4844.43 <br />4848.47 <br />4867.69 <br />4893.88 <br />4928.86 <br />4948.64 <br />FACTOR OF SAFETY = 1.624 <br />(DEEP SHEAR SURFACE) <br />CRITICAL SHEAR SURFACE <br />SAFETY FACTOR = 1.624 <br />400 SERIES PIEZOMETERS —� <br />200 SERIES PIEZOMETERS- <br />O <br />SOIL PROPERTIES <br />ZONE <br />200 +00 <br />C <br />6 t <br />MATERIAL <br />DEEP <br />(') <br />(psf) <br />(pcf) <br />LEVEL CONSIDERS <br />0 <br />32.12 <br />204.5 <br />99.47 <br />REFUSE FILL <br />2O <br />31.00 <br />0 <br />130.00 <br />ALLUVIUM <br />3O <br />38.00 <br />1000 <br />150.00 <br />BEDROCK <br />4O <br />0.00 <br />0 <br />62.4 <br />POND <br />PIEZOMETRIC SURFACE No. 1 <br />__— EXISTING FILL <br />�' O WITH PIEZOMETRIC <br />SURFACE No. 1. <br />LOW PERMEABILITY BOUNDARY <br />01 WITH CONSTANT PORE <br />PRESSURE OF 312 PSF. <br />OWITH CONSTANT PORE <br />PRESSURE OF 561.6 PSF. <br />0 +00 100 +00 <br />200 +00 <br />300 +00 <br />400 +00 500 +00 600 +00 700 +00 800 +00 900 +00 1000 +00 <br />SECTION A -A, <br />DEEP <br />SHEAR <br />SURFACE. <br />NOTE: PIEZOMETRIC <br />LEVEL CONSIDERS <br />PORE <br />PRESSURES MEASURED ON 4- 23 -94. <br />STABILITY SECTION THROUGH 200 & 400 SERIES PIEZOMETERS <br />PLATE 37 <br />EST-7 <br />ENGINEERS, INC. <br />I IIIIII VIII VIII VIII VIII VIII IIII IIII <br />