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� s< <br /> , _ -, e r• .z' � ...ren 1 <br /> a- <br /> i <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 water in <br /> the casing will be withdrawn if possible. Casing volumes will be <br /> calculated in the following manner: <br /> Volume of Schedule 40 PVC Pipe <br /> Diameter I.D. Volume <br /> (inches) (inches) Gal/linear ft. <br /> ------------------------------------------ <br /> . F <br /> 2 2.067 0.17 <br /> 4 4.026 0.66 <br /> Volume of Open Borehole and Annular Space <br /> Between Casing and Hole <br /> ~ Volume/ Volume/ <br /> Hole linear ft. Nominal linear ft. of* <br /> { � Diameter of hole Casing Diameter Annular Space <br /> (inches) Gal. Cu. ft. (inches) Gala Cu.-Ft. <br /> -� <br /> -------------------------------------- ------------------ ----- - <br /> 7.25 2.14 0 <br /> • .29 2 1.91 0.26 <br /> 8.25 2.78 0.37 2 2.55 0.34 <br /> E � <br /> 10.25 4.29 0.57 2 4.06 0.54 <br /> w:r 10.25 4.29 0.57 4 3.46 0.46 <br /> r ; 12.25 6.13 0.82 4 5.30 0.71 <br /> i <br /> *Note: Annular volumes will be multiplied by 30t to account for <br /> { , porosity of filter pack. <br /> If the aquifer is slow to recharge, development will continue <br /> - --- - a <br /> until--recharge--is--too-slow-to__practicaily continue. The volume <br /> of water produced versus time.will be recorded. <br /> R - <br />