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r - <br /> AIR SPARGING WELL CONSTRUCTION INFORMATION <br /> SP--1 <br /> rBOLT DOWN SITE 1717 S CENTER STREET <br /> WATERTIGHT <br /> COVER JOB NO 62401510 <br /> ELEV GROUND SURFACE <br /> BORING/WELL NO SP-1 <br /> DATE 03/11/2002 <br /> a WELL CAP CHIEF UNIT SILTY CLAY <br /> WI TH LOCK <br /> ELEV 1 PROTECTIVE CASING YES NO <br /> DEPTH 05, <br /> LOCKING IS <br /> NO <br /> 2 <br /> 2 TYPE OF SURFACE SEAL ([F INSTALLED) <br /> CONCRETE <br /> 3 SOLID PIPE TYPE 3/4' PVC <br /> 3 SOLID PIPE LENGTH 48 ft <br /> JOINT TYPE SLIP/GLUED EReED <br /> 4 TYPE OF BACKFILL CEMENT GROUT <br /> 4 <br /> HOW INSTALLED TREMIE <br /> FROM SURFACE <br /> 5 TYPE OF LOWER SEAL (IF INSTALLED) <br /> ' BENTONITE PELLETS <br /> 6 TYPE OF SECONDARY FILTER PACK <br /> ELEV <br /> #3 MONTERREY SAND <br /> DEPTH 38 7 SCREEN TYPE CERAMIC DIFFUSER <br /> 5 SCREEN LENGTH 2 ft <br /> ELEV SLOT SIZE MICRO in <br /> DEPTH 45' SCREEN DIAMETER 3 �n <br /> ELEV <br /> DEPTH 8 TYPE OF PRIMARY FILTER PACK <br /> 1 ELEV #3 MONTERREY SAND <br /> DEPTH 48' <br /> 9 DRILLING METHOD 8 25' - HSA <br /> 7 <br /> 1 <br /> *ALL DEPTHS MEASURED FROM GROUND SURFACE <br /> g ACTUAL DEPTHS MAY VARY FROM DEPTHS SHOWN <br /> r <br /> FLEV <br /> DEPTH 50' ELEV <br /> DEPTH <br /> 1 <br />