Laserfiche WebLink
{ Transmiss.ivity T K * t, where <br /> ductivitY <br /> for M <br /> K is hydraulic <br /> 2confeet/day (finesand)c calculated from slug <br /> test data - <br /> t is saturated thickness for KW-3, top of ground water to base <br /> of casing - 11.5 feet. <br /> i <br /> i Therefore T 33.35 feet/day <br /> T <br /> min day ;.4$ gal ft <br /> 4 s 4 <br /> Therefore TQ, where s - -� <br /> s T ft2/day <br /> Where Q " pump rate in cubic feet per day and <br /> s - change in drawdown slope in feet.. <br /> 1000 gallons/day 0.69 gallons/min .. 0.09 ft'/min <br /> s5 0 09_r 0.097 feet <br /> i 33.35 ft2 <br /> ► This is an unconfined aquifer of £ine sand. Assuming that the <br /> unconfined storage coefficient - 0. effective <br /> 22 (similar to the <br /> dius of 0.4 feet (diameter <br /> porosity) and a well rao£ boring), we <br /> can use the following equation to predict time zero (to). <br /> 2n 77*640*0,_]. f. <br /> 5 - T p <br /> therefore to � - 33.35 ftp <br /> /day <br /> 640 rz T I <br /> to _ 0.68 days. t <br /> Plotting the to with the s on semilogarithmic paper using various <br /> itor well MW-3 is predicted as follows, <br /> pump rates, drawdown in mon <br /> see-Figure <br /> 7. <br /> t. <br /> lions/day drawdown in feet/log cycle <br /> pump rate in ga <br /> 500 0.05 <br /> 1000 0.10 <br /> 2000 0.19 <br /> s 4000 0.39 <br /> .78 <br /> 8000 <br /> 1 <br /> 16000 1.56 <br /> 1 j <br /> 27 <br /> l <br />