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250 255 CLAY <br /> 255 260 SAND <br /> 260 267 CLAY <br /> 267 271 SAND <br /> 271 292 BLUE CLAY <br /> 292 298 SAND <br /> 298 308 CLAY <br /> 308 314 SAND <br /> 314 345 CLAY <br /> 345 358 SAND <br /> 358 385 CLAY <br /> Casings <br /> Wall Outside Slot Size <br /> Casing Depth from Surface Wall <br /> # Feet to Feet Casing Type Material Casings Specificatons Thickness Diameter Type if any Description <br /> (inches) (inches) (inches) <br /> 1 0 240 Blank PVC OD:12.750 in.I SDR: 0.606 12.75 <br /> 21 1 Thickness:0.606 <br /> in. <br /> 2 240 320 Screen PVC OD:12.750 in.I SDR: 0.606 12.75 Saw 0.045 <br /> 21 1 Thickness:0.606 Cut <br /> in. <br /> 3 320 340 Blank PVC OD: 12.750 in. SDR: 0.606 12.75 <br /> 21 1 Thickness:0.606 <br /> in. <br /> 4 340 360 Screen PVC OD: 12.750 in. SDR: 0.606 12.75 Saw 0.045 <br /> 21 1 Thickness:0.606 Cut <br /> in. <br /> Annular Material <br /> Depth from <br /> Surface Fill Fill Type Details Filter Pack Size Description <br /> Feet to Feet <br /> 0 200 Bentonite High Solids <br /> 200 1 360 Other Fill See description. BIRDS EYE GRAVEL <br /> Other Observations: <br /> Form DWR 188 rev. 12/19/2017 Page 2 of 3 <br />