Laserfiche WebLink
Proposed design for multiple-well sites a Atherton n Sandman arks, Stockton, California <br /> 17-3/4' <br /> Steel surface casing 3, 2-inch diameter, Schd 80 PVC wells to be installed <br /> 12-3/4' OD in a single borehole. Two inch spacing to be maintained <br /> 12-3/8" 1 between wells and borehole. Grout to be sodium <br /> bentonite 30% solids pumped through Tremie pipe into <br /> g; g borehole. Sand to be#3 Monterey sand emplaced <br /> 20' ¢p� °`` Concrete through Tremie. <br /> Conductor <br /> casing ° <br /> o baQB. <br /> o 0 0 <br /> �0 3 lb TOP VIEW <br /> l�fX�0► <br /> y Steel surface <br /> ry F�, Concrete <br /> casing <br /> 30%s� a <br /> Sodium <br /> bentonite •ob° �� `:�� rj� <br /> grout Sodium <br /> 2A0 bentonite <br /> #3 Monterey �b %' j:b; grout <br /> �3C)sand <br /> Tip h•�� L36 '�oo�. opoYo <br /> y 2-inch <br /> l2lcf r� diameter <br /> Schd 80 PVC well <br /> 2-inch spacing maintained between wells, surface <br /> y casing and borehole. <br /> 1D <br /> Y3 = Commercially available centralizers S <br /> emplaced within sodium bentonite Y <br /> (C'14" �S grout seal <br /> ?�N" l / <br /> #–/ Note: PVC wells will be installed under tension to hold <br /> them straight in he borehole. <br /> —.-54 <br /> U <br /> v <br />