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4 <br /> r <br /> Traffic rated, water-tight, fluSh- <br /> Ground Surface mounted well cover <br /> f <br /> I <br /> r r <br /> ` Locking watertight top cap <br /> \ ♦ 4 <br /> Concrete , ; 4;• <br /> / J w <br /> J J r <br /> E I <br /> i <br /> If <br /> l <br /> I Cement Sanitary Seal <br /> Flush threaded, 2-inch diameter, <br /> Schedule 40 PVC wellscreen <br />� <br /> and blank ca5in 9 <br /> 1 - 2 feet bentonite pellets <br /> Washed Sand filter pack, 1 - 2 <br /> feet above top of Screen <br /> Machine Slotted wellecreen r <br /> -_-_ 5 feet above Saturated zone <br /> =_= and 10-15 feet below Saturated <br /> zone <br /> Typical 2 - 3 inch annulus i <br /> Fluoh threaded FVC bottom cap <br /> s <br /> V F I C A 6 L <br /> MONITORING WELL CONSTRUCTION � <br /> IN CROSS SECTION <br /> I <br /> AQUA SCIENCE ENGINEERS FIGURE 4 <br />