Laserfiche WebLink
a v <br /> n <br /> WaterWork <br /> Monitoring Well Development Protocol <br /> Groundwater monitoring wells will be developed prior to setting <br /> the surface seal. Approximately 10 times the volume of wat <br /> the casing. will be withdrawn if er in <br /> calculated in the following mannarssible. Casing volumes will be <br /> ri <br /> Volume of Schedule 40 Pvc Pipe <br /> Diameter I.D. Volume <br /> En (inches) (inches) Gal/linear ft. <br /> ------------------------------------------ <br /> 2 2.067 0.17 <br /> 4 4.026 0.66 <br /> i <br /> Volume of Open Borehole and Annular S <br /> Between Casing and Hole pace <br /> Volume/: <br /> Volume` <br /> Hole linear ft.: Nominal linear ft. of* <br /> s Diameter: of hole Casing Diameter Annular Space <br /> _ - - ---------------------------------------------- <br /> ---`---- {inches) Gal. Cu. Ft. <br /> ------------------------- ----------- --- <br /> 7.25 2.14 0.29 2 1.91'. 0.26 <br /> r <br /> 8.25 2.78 0.37 2 2.55 0.34 <br /> 10.25 4.29 0.57 <br /> 2 - 4.06 0.54 <br /> 10.25 4.29 0.57 4 <br /> 3.46 0.46 <br /> ` 3 a 12.25 6.13 0.82 <br /> 45.30 0.71 ' <br /> a <br /> Note: Annular volumes will he multiplied-- "� - ------- bporosity of-filterpack. - y-30* to_account_for- -- <br /> the aquifer, is slow tI£ o - ' <br /> T <br /> recharge, development will continue <br /> -`-� until' recharge istoo slto <br /> } ow Aracticall y. continue. The volume <br /> t of water produced versus.time will be recorded. <br /> f <br /> Y <br /> - <br />