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1 <br />' Falling Head Permeability <br /> • ASTM D 5084 <br />' Cooper Testing Lab, Inc. <br /> Job No 255-009a Boring MW-4 Date. 08/11/98 <br />' Client Advanced GeoEnv Sample By. DC <br /> Project Sierra Lumber Depth 25' <br />' Soil brown sandy CLAY <br /> Sample Pressures Max Hydraulic <br /> Cell 52 psi Bot Cap 48 psi Top Cap 46 psi Gradient 27 <br />' Elapsed Time (min) Head, (cm) Permeability cm/sec <br /> 0 16867 Start of Test <br />' 70 16757 2 2 x 10E-7 <br /> 231 16497 2 2 x 10E-7 <br />' 1240 15017 2 4 x 10E-7 <br /> 0 16867 <br /> 1488 14937 2 0 x 10E-7 <br />' 0 16867 <br /> 1295 151 37 2 1 x 10E-7 <br /> lie <br /> Average Permeability 2 x 10E-7 cm/sec <br />' <br /> Sample Data Initial i Finai <br />' Height, in , 250 250 <br /> Diameter, in 1 92 193 <br /> Area, m2 290 293 <br />' Volume, in3 724 731 <br /> Total Volume, cc 11861 11985 <br /> Vol of Solids, cc 7500 7500 <br /> Vol of Voids, cc 4361 4485 <br /> Void Ratio 058 060 <br /> Porosity, % 3677 3742 <br /> Saturation, % 9676 9766 <br /> Sp Gravity 280 assumed 280 <br /> Wet Weight, gm 2522 2538 <br /> Dry Weight, gm 2100 2100 <br /> Tare, gm 000 000 <br /> IMoisture, % 201 209 <br /> . Dry Density, pcf 1105 1093 <br /> Remarks <br />