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L <br /> MONITORING WELL <br /> CONSTRUCTION DETAILS <br /> PROJECT NO: 19012.04 MONITORING WELL NO.: MW-2 <br /> LOCAPON: Beacon #474 <br /> 3440 East Main Street ELEVATION: 99.07 feet <br /> Stockton, California <br /> Protective Casing <br /> J III—III— <br /> Q Locking Water Tight Cop <br /> Flush Grade Well Construction <br /> Diameter and Mat'I 12—inch steel <br /> Total length 12 inches <br /> Length Above Ground 1/4 inch <br /> Thickness and Type of Seal 2 feet, concrete <br /> Diameter, Mat'! and 4 inch, SCH 40 PVC <br /> Joint Type of Riser Pipe flush thread <br /> N <br /> J Type of Backfill cement/ 57. <br /> Around Riser <br /> bentonite grout <br /> Thickness and Type 2 feet <br /> of Seal bentonite chips <br /> Distance of Filter Sand 2 feet <br /> Above Top of Screen <br /> Type of Filter #3 lonestar <br /> Around Screen <br /> Monitoring Well Mat'I SCH 40 PVC <br /> r7 Screen Gauge/Slot Size 0.020 inch <br /> Diameter and Length 4 inch, 15 feet <br /> of Screen <br /> Depth to Bottom <br /> of Monitoring Well 91.5 feet <br /> Depth to the Bottom <br /> of Filter Sand 91.5 feet <br /> 10 in <br /> MONITORING WELL WATER LEVEL MEASUREMENTS <br /> L1 = 0.25 feet <br /> L2 = 75.75 feet Date: Time: Water Level* <br /> L3 = 15.00 feet 12/13/93 6:30 pm 79.32 ft. <br /> L4 = 91 .00 feet <br /> Completion Date and Time: 12/13/93 1:00 pm * Measuring Point: Top Of Casing <br /> ACTON • MICKELSON VAN DAM, INC. <br /> 5090 Robert J. Mathews Parkway #4 <br /> EI Dorado Hills, CA 95762 <br />