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INSTALLATIJ OF FLUSH GRADE MONITING WELL <br /> Project Beacon Station No. 513 Monitoring Well No. MW-2 <br /> 41 West Kettleman Lane Elevations: <br /> Lodi, California Top of Riser: 38.79 <br /> Delta No. 40-93-942 Ground Level: --- <br /> PROTECTIVE CASING <br /> ir <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 <br /> 10 inch concrete <br /> LZ <br /> -*—DIAMETER, MATERIAL, & JOINT TYPE OF RISER PIPE 4-inch PVC SCH 40 threaded <br /> TYPE OF BACKFILL AROUND RISER <br /> Portland cement w/5%bentonite <br /> L4 <br /> THICKNESS & TYPE OF SEAL <br /> 2 feet bentonite <br /> DISTANCE OF FILTER SAND ABOVE TOP OF SCREEN 2fact <br /> &.J TYPE OF FILTER AROUND SCREEN <br /> Lonestar No. 3 <br /> MONITORING WELL MATERIAL Schedule 40 PVC <br /> L3 <br /> -'*--SCREEN GAUGE OR SIZE OF OPENINGS (SLOT 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 /> II rrd THICKNESS & TYPE OF SEAL NA <br /> F DIAMETER OF BOREHOLE 10 inches <br /> L1 = 0.5 FT MonitoringWell Water Level Measurements <br /> L2 = 63.5 FT Date Time Water Level* <br /> L3 = 15.0 FT 08/31/93 12:25 p.m. 68.00 <br /> L4 = 79.0 FT 09/08/93 10:00 a.m. 69.00 <br /> Installation Completed <br /> Date: 08/31/93 <br /> Time: 6:55 a.m. ' De� <br /> �'�`�'�"'"�� Measure Point Top of casing north <br />