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Failing Head Permeability <br />' ASTM D 5084 <br /> Cooper Testing Lab, Inc. <br />' Job No 255-099b Boring MW-4 Date 08/12/98 <br /> Client Advanced GeoEnv. Sample By DC <br />' Project Sierra Lumber Depth 45' <br /> Soil. gray CLAY to silty SAND, change, (Mostly CLAY-clay tested) <br /> Sample Pressures Max Hydraulic <br />' Cell 62 psi Bot Cap 58 psi Top Cap 56 psi Gradient 24 <br />' Elapsed Time (min) Head, (in) Permeability cm/sec <br /> 0 7038 Start of Test <br /> 232 7008 7 3 x 10E-8 <br /> 1244 6948 4 4 x 10E-8 <br /> 2765 6868 3 6 x 10E-8 <br /> 4075 6828 3 1 x 10E-8 <br />' 4627 6808 2 6 x 10E-8 <br /> 5498 6788 2 6 x 10E-8 <br /> Average Permeability 3 x 10E-8 cm/sec <br /> Sample Data Initial Final <br /> Height, in 292 294 <br /> Diameter, in 1 92 1 92 <br /> Area, in2 290 291 <br /> Volume, in3 845 855 <br /> Total Volume, cc 13854 14007 <br /> Vol of Solids, cc 8407 8407 <br /> Vol of Voids, cc 5447 56 00 <br /> Void Ratio 065 067 <br /> Porosity, % 3932 3998 <br /> Saturation, % 9767 9982 <br /> Sp Gravity 280 assumed 280 <br /> Wet Weight, gm 2886 291 3 <br /> Dry Weight, gm 2354 2354 <br /> Tare, gm 000 000 <br /> Moisture, % 226 237 <br /> Dry Density, pcf 1060 1049 <br /> Remarks <br />