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111,WN <br /> TELESCOPING OR <br /> HINGED COVER <br /> i <br /> KEY PADLOCK �--I- <br /> 0.3' MAX. i <br /> f ---�_ , <br /> OVERSIZED CAA l <br /> PROTECTIVE CASING <br /> DIA. DRAINAGE PORT 2.5' <br /> rm. �4'= CONCRETE PAD I <br /> e-'• GROUND SURFACE •' ;o •.,,�:,,D' a.5'. <br /> � r <br /> r <br /> ., GROUT . ' \ INTERNAL MORTAR COLLAR <br /> f.4 <br /> ill <br /> CENTRALIZER <br /> t� \ <br /> !t COUPLING <br /> t 4-INCH DIAMETER <br /> SCHEDULE Oil PVC <br /> ; p <br /> BENTONITE SEAL ll[��Ef f I 5' MIN. FOR PELLF S <br /> l�lfll'I OR 5'MAX. FOR SLURR`' <br /> 5'MIN. <br /> WELL SCREEN <br /> FILTER PACK <br /> !a CAP OR PLUG--�_�•�+' r��';, <br /> + �' '=•' • • ,;+ 3' MAX. Nate: Top of well will <br /> be just below <br /> ' '0" around surface <br /> and covered. <br /> +� SOURCE:ES,1986. 1: <br /> FIGURES-1 ��� <br /> WELL CONSTRUCTION DETAILS <br /> ENVIRONMErQTAL SCIENCE <br /> ANO, ENGINEERING, INC.. <br />