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INSTALLATJ OF FLUSH GRADE MONIING WELL <br /> Project Beacon Station No. 513 Monitoring Well No. MW-1 <br /> 41 West Kettleman Lane Elevations: <br /> .::_. Lodi, California Top of Riser: 38.82 <br /> Delta No. 40-93-942 Ground Level: --- <br /> PROTECTIVE CASING <br /> LOCKING, WATERTIGHT CAP <br /> FLUSH GRADE WELL CONSTRUCTION <br /> DIAMETER AND MATERIAL 12-inch concrete <br /> TOTAL LENGTH 12 inches <br /> THICKNESS & TYPE OF SEAL 10 inch concrete <br /> L2 <br /> I AMETER, MATERIAL, & JOINT TYPE OF R 15ER PIPE 4-inch PVC SCH 40 threaded <br /> TYPE OF BACKFILL AROUND RISER <br /> Portland cement w15%bentonite <br /> L4 <br /> THICKNESS & TYPE OF SEAL 2 feet bentonite <br /> DISTANCE OF FILTER SAND ABOVE TOP OF SCREEN 2feet <br /> TYPE OF FILTER AROUND SCREEN Lonestar No. 3 <br /> MONITORING WELL MATERIAL Schedule 40 PVC <br /> L3 <br /> CREEN GAUGE OR SIZE OF OPENINGS CSLOT SIZE) 0.02 inch <br /> DIAMETER AND LENGTH OF SCREEN 4 inches x 15 feet <br /> DEPTH TO THE BOTTOM OF MONITORING WELL 79 feet <br /> DEPTH TO THE BOTTOM OF FILTER SAND 79 feet <br /> THICKNESS & TYPE OF SEAL NA <br /> DIAMETER OF BOREHOLE 10 inches <br /> L1 = 0.5 FT Mon itorin Well Water Level Measurements <br /> L2 = 63.5 FT Date Time Water Level* <br /> L3 = 15.0 FT 08/31/93 4:06 p.m. 68.01 <br /> L4 = 79.0 FT 09/08/93 4:25 p.m. 68.34 <br /> Installation Completed <br /> Date: 08/31/93 <br /> Time: 5:30 p.m. Detta <br /> 'A G .� Measure Point Top casing-north of casin -n h <br />