Laserfiche WebLink
.l <br /> WELL- DETAILS. <br /> �1 PROJECT NUMBER 20805-147.004 _ BORING/ WELL NO. B-9/MW-4 <br /> PROJECT NAME ARC 1 <br /> O 2 86 TOP OF CASING ELEV. 13.83 <br /> LOCATION 3212 N. California Stockton CA GROUND SURFACE ELEV. 14.5 <br /> EMCON <br /> ASSOCIATES WELL PERMIT NO. 014000 DATUM Mean Sea Level <br /> INSTALLATION DATE 10/30/97 <br /> TOC (Top of casing) <br /> G-5 vault box (Std.) <br /> , <br /> 9 EXPLORATORY BORING <br /> a. Total depth .75 ft. <br /> b. Diameter 10 in. <br /> Drilling method hollow-stem auger <br /> e d h WELL CONSTRUCTION <br /> c. Total casing length 64.6 ft. <br /> Material Sch 40 PVC <br /> d. Diameter 4 w in. <br /> a c e. Depth to top perforations 45 ft. <br /> + f. Perforated length 20 ft. <br /> Perforated interval from 45 to 65 ft. <br /> Perforation type machine slot <br /> Perforation size 0.020-inch <br /> g. Surface seal 2 ft. <br /> Material concrete <br /> f J h. Backfill 38 ft. <br /> Material bentonite cement grout <br /> i. Seal 2 ft. <br /> Material 318" bentonite chips <br /> j. Gravel pack 22 ft. <br /> Gravel pack interval from 43 to 65 ft. <br /> Material #3 Lonestar sand <br /> k. Bottom seal/fill 10 ft. <br /> k <br /> Material slough - flowing sands <br /> Form prepared byMM Canny <br />