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Re-Revised Groundwater Monitoring Well Construction <br /> Workplan <br /> August2023 <br /> 5-4�—�14-inrhdia,steel security vault <br /> Neat Cement{Sanitary Seal] <br /> 20— _ <br /> 2.5-Inch dia,SCH 80 PVC well caskng <br /> Bentonite Clay Seal(Chips) <br /> 150— ~� <br /> 1 fi0— 16-inch dia.barehole <br /> • Fiherpack <br /> 2.5-inch dia.SCH 80 PVC well screen i0.030 slot; <br /> USGS Corcoran Clay(E-Clay) 170— 2.5-inch dia.5CH 80 PVC well casing and cap <br /> (approximate th4rknes5) 175— <br /> i 230-, 185 ;l"�` T"' <br /> 6entonite Clay Seal(Chips) <br /> -310— .slur' _ ` ?.. <br /> A �,.� <br /> ll$10— 2.5-Inch dia.SCH 80 PVC well caskng <br /> -- Filter pack <br /> 2.5-inch dia.SCH 80 PVC well screen(0.030 slot) <br /> 430- <br /> 2.5-Inch dia.SCH 80 PVC well casing and cap <br /> 435— <br /> $ :,�;'; ;- "% :• Bentonite Clay seal(Chips) <br /> 710- <br /> 72a— <br /> 2S-inch dia-SCH H PVC well screen(0-030 slot) <br /> 1 2-inch dia.borehole <br /> Filter pack <br /> 744— 2.5-inch dla.5CH a0 PVC well casing and cap <br /> Hates: 745— <br /> 750— <br /> Final Design will be based upon <br /> �i. <br /> the geophysical log. <br /> 8-inch dia.borehole <br /> Final Design to be-approved by <br /> EHD prior before construction. <br /> 2.5-Inch dia.SCH 80 PVC well casing <br /> Set of centralizers(3 per set)to be .C., <br /> placed top and bottom of - eentoniteClay seal[Pellets] <br /> screens and between at 100 <br /> foot intervals with a minimum <br /> of one mid-section of day <br /> intervals. 1 140— <br /> 1200— • Filter pack <br /> - 2.5-inch dia.SCH 80 PVGw�II sueen{0.0#0 slotY <br /> Base of Freshwater approxi 1220-- <br /> mately 1400 feet bgs 1225— 2-5-inch dia-SCH 80PVC well casingand cap <br /> 1245^ Y .' ,. _ Bentonite Clay Seal[Pellets] <br /> NOTE NOT TO SCALE <br /> Q— _ <br /> Well Construction Typical Nested Monitoring Well <br /> Construction Details <br /> Tracy 5ubbasin L`7�y For MW-203 <br /> Tracy 5ubbasin G Ei °°° AUGUST 2023 <br /> Figure 8: Typical Nested Monitoring Well Construction Details <br /> GEI Consultants, Inc. 17 <br />