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Well cap <br /> Elevation Elevation Diameter <br /> Well (Surface) (lop of casing)' Depth Below Ground Surface(feet) (inches) <br /> Number A B C D :E=F G H 177 J. <br /> 0-00 000.00 000.00 00.00 00.00 00.00 00.00 00.00 00.00 00.00 00.00 <br /> A(top of casing) <br /> C (top of grout) <br /> Grout seal <br /> 1. Note <br /> 2. Note <br /> J(outside diameter of casing) 3. Note <br /> 4. Note <br /> 5. Note <br /> 6. Note <br /> 7. Note <br /> D (top of bentonite seal) •— 8. Note <br /> 9. Note <br /> 10. Note <br /> Bentonite seal <br /> E (top of filter) <br /> Well Construction <br /> F (top of screen) Casing 2-inch schedule 40 PVC <br /> Screen 2-inch schedule 40 PVC,0.02-inch factory slotted screen <br /> Filter Filter Material No.3 sand <br /> Bentonite Seal Medium bentonite chips <br /> Screen Grout Seal Cement grout <br /> Surface Finish At grade with locking well vault <br /> G(base of screen) --- Screw cap <br /> H(bottom of hole) - <br /> SAMPLE WELL CONSTRUCTION DIAGRAM <br /> I UniFirst Facility <br /> (boring diameter) 819 North Hunter Street <br /> Stockton, California <br /> • <br /> By: KLU Date: 02/01/2008 Project No. 13290.000 <br /> f GeoInatrix Figure 4 <br />