Laserfiche WebLink
Groundwater Monitoring Well Construction Diagram <br /> MW28 <br /> Ground Surface <br /> T Traffic rated manhole cover <br /> Min 3" casing protrusion capped with lock <br /> Surface concrete seal <br /> Annular Seal <br /> (Bentonite Cement Slurry) <br /> 3' <br /> Bentonite Seal <br /> 4' <br /> 8" Minimum diameter borehole <br /> 5' <br /> 4" Sch 40 PVC casing <br /> 10' Groundwater level <br /> Sand Pack(No. 3 Sand) <br /> 0.02 slot size screening on Sch 40 PVC <br /> 20' <br /> Figure 7: Well Construction <br /> Frontier Transportation <br /> 425 Larch Road <br /> Tracy, CA <br /> DRAWN BY DATE'. PROJECT. <br /> DR March 2010 Frontier. 01 <br /> AWfAmi Adini <br /> "X & Associates, Inc. <br />