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0 9 <br /> Approx.Land Surface DRAFT-SUBJECT TO REVISION <br /> Elevation=29 feet MSL <br /> 12-in.Diameter <br /> L 2 FT—� Trek-Rated Flush <br /> Mounted Well Vault <br /> Land Surface r <br /> Class A Concrete Surface Seal <br /> 5 feet below land surface In bls) Y- <br /> I <br /> Bentonite Neat Cement Grant with <br /> 3%to 5%hematite <br /> 2-inch Diameter Schedule 40 <br /> PVC Blank Casing <br /> f— Steal Centralizer(Sm at-100 ft bgs) <br /> 145 ft bls <br /> Medium Bentonite Chips or Bentonite Pellets <br /> 155 <br /> Transition No.60(40x100)Saud <br /> 165 8x20 Gravel Envelope(i.e.Sand Filter Pack) <br /> 2-inch Diameter Schedule 40 PVC Schematic of <br /> Perforated Casing with 0.020-Inch Slots proposed Design <br /> for Intermediate <br /> 175 2-inch Diameter Schedule 40 PVC Blank Zone Monitoring <br /> so casias(Snmp) WellMW451 <br /> Steel Centralizer(set at-177 It bits) <br /> las <br /> F-7.785-inch <br /> Proposed Approximate Location: FIGURE 2 <br /> Latitude:37.970 N Borehole Diameter <br /> Longitude: 121.23'W NOT TO SCALE DUDEK <br />