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Existing Well Box Existing A.C. <br /> DEPTH removed Pavement <br /> IN FEET SOIL TYPES <br /> Area Excavated <br /> -� PERFORATION <br /> to 3 ft.beow grade and DEPTI-JS <br /> SAND race sift backfilled with lean concrete 311. <br /> SW to grade <br /> PVC Casing cut off <br /> 10- SILTY SAND 3 1L below grade loft. <br /> SM EXISTING CEMENT <br /> 2'PVC CASING 15 ft. <br /> FILLED ED WITH NEAT CEMENT <br /> 20- SAND 20 ft. <br /> SP <br /> BENTONITE SEAL <br /> 30- 28 ft. <br /> W ft <br /> 40- SANDY SILT <br /> ML <br /> 43 ft <br /> GRAVELLY SAND SP <br /> SAND PACK <br /> 50- <br /> R <br /> SILTY SAND <br /> SM <br /> 54t <br /> 60- SANDY SILT PVC Casing <br /> ML Perforated at Selected <br /> Intervals by Hydro-Jet 62 ft. <br /> WELL DATA MW-1 <br /> BORING ID:-ejL <br /> 70- CASING:P in ID Sch 40 PVC <br /> SAND PACK:2x16 Graded Sand <br /> TOTAL DEPTH OF WELL§= <br /> VOLUME OF CASING: 10 gallons <br /> VOLUME OF SAND PACK VOIDS(Assumed 30%Porosity) :28 gallons <br /> DEPTH TO GROUNDWATER FEBRUARY I W2: 57 12 ft from too of casing <br /> BSK job.No.P92115.3 <br /> OVERHEAD DOOR CORP MONUORING WELL <br /> ABANDONMENT DETAILS MW-1 BSK <br /> LODI, CA SHEET B-1 &ASSOCIATES <br />