Laserfiche WebLink
EWNC7 Well Construction Diagram <br />Groundwater Well Installation Work Plan <br />Sharpe Army Depot, Lathrop, California <br />Figure <br />13 <br />Ground surface <br />Gravel fill pipe <br />Schedule 80 PVC, 2-inch <br />(0-128 feet) <br />Schedule 80 PVC, <br />8-inch well casing <br />(0-130 feet) <br />Grout <br />(0-124 feet) <br />Bentonite seal <br />(124-127 feet) <br />Sand (filter) pack <br />(#3 Monterey sand or equivalent) <br />(128-150 feet) <br />Sump <br />(140-145 feet) <br />Transition sand <br />(#30 mesh or equivalent) <br />(127-128 feet) <br />Type 304 Stainless steel <br />wire-wrapped <br />8-inch screen, <br />0.02 in slot <br />(130-140 feet) <br />Borehole total depth <br />(150 feet) <br />Note: Not drawn to scale <br />Stainless Steel End Cap