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0. 93,84 °, ?5 <br /> - J <br /> 2-inch l.D'f 4-inch I.D. <br /> Monitoring Weil Extraction Well ,approximate <br /> Approximate <br /> pepths (ft) i DBptris(ft) <br /> Flush-mount water <br /> Ground leve!— tight well cover or Ground level <br /> locking standpipe r <br /> ♦ rr <br /> L <br /> .`.`. <br /> Locking well cap . . . . . <br /> ♦♦♦'ter .r�r� 1 r r ♦ r <br /> r ♦ ♦ ,I`r, � ♦ 4 t <br /> `r`r`r ♦ r r r`r ti v'♦ <br /> Cement grout , �♦ ,r.�, r <br /> aft— <br /> Bentonite seal <br /> 4 ft— Top of sand pack —4ft <br /> Top of screen set above 5 R <br /> ft = highest expected water level <br /> Highest � <br /> expected - <br /> water level -- _ <br /> 2-inch PVC <br /> 4An&. PVC <br /> c"ng casing — <br /> r� — <br /> 4-inch PVC r <br /> continous wire L <br /> 2-inch PVC <br /> wrap screen with <br /> slotted screen 0,02-inm sic%$ <br /> with 4.024nch — [ <br /> slots <br /> s <br /> Sand pack <br /> Lonestar No.2112 <br /> PVC threaded cap <br /> 20 <br /> borehole <br /> diaem iter = <br /> 25 ft <br /> 44nch PVC Sump <br /> Not to Scale <br /> �27ft <br /> I 12 or144nch i <br /> -4-1 borehole dia. <br /> Figure A-1, Diagram of proposed well construction. <br /> 9 7091241typwall llpc 19 <br /> 7 A-4 <br />