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Proposed design for multiple-well site at Atherton an Sandman Parks, Stockton, California <br /> rO"JJI <br /> 17-3/q" <br /> Steel surfac casing 3, 2-inch diameter, Schd 80 PVC wells to be installed <br /> 12-3/q" in a single borehole. Two inch spacing to be maintained <br /> 12-3/ ' I D between wells and borehole. Grout to be sodium <br /> bentonite 30% solids pumped through Tremie pipe into <br /> borehole. Sand to be#3 Monterey sand emplaced <br /> 20' Geo through Tremie. <br /> Conductor ae Concrete <br /> casing _: p <br /> TOP VIEW <br /> J <br /> " Steel surface o:Je�o Concrete <br /> casing ? „o <br /> N Sodium <br /> N <br /> bentonite <br /> DG:" <br /> grout a ��,� �,�� ° � Sodium <br /> °�3 ' p bentonite <br /> �� b <br /> #3 Monterey .4ati _-% grout <br /> 5, sand a <br /> �a <br /> 2-inch <br /> 1 diameter <br /> Schd 80 PVC well <br /> 2-inch spacing maintained between wells, surface <br /> �- <br /> casing and borehole. <br /> wi <br /> Commercially available centralizers <br /> emplaced within sodium bentonite <br /> grout seal <br /> 1 <br /> / . <br /> J Note: PVC wells will be installed under tension to hold <br /> them straight inihe borehole. <br /> C�raw4- <br /> o Aq <br /> 6 <br />