Laserfiche WebLink
Y <br /> 5 <br /> Smith Technology Corporation <br /> Quality Assurance/Quality Control Plan <br /> Revised February 1995 <br /> 10.0 WELL DEVELOPMENT PROTOCOL <br /> Groundwater monitoring wells will be surged and developed prior to setting the surface seal <br /> Approximately 10 times the volume of water in the casing will be withdrawn if possible Casing <br /> volumes will be calculated in the following manner <br /> VOLUME OF SCHEDULE 40 PVC PIPE <br /> Diameter(inches) I.D. (inches) Volume <br /> Gal/linear feet <br /> 2 2067 017 <br /> 4 4 026 066 <br /> VOLUME OF OPEN BOREHOLE AND ANNULAR SPACE BETWEEN CASING AND <br /> HOLE <br /> Hole Volume/Linear Feet of Hole Nominal Volume/Linear Feet of <br /> Diameter Casing Annular Spaces <br /> (inches) Diameter <br /> (Inches) <br /> Gallons Cubic Feet Gallons Cubic Feet <br /> 725 214 029 2 191 026 <br /> 825 278 037 2 255 034 <br /> 1025 429 057 2 406 054 <br /> 1025 429 057 4 346 046 <br /> 1225 613 082 1 4 1530 1 071 <br /> ' Annular volumes mil be multiplied by 30%to account for porosity of filter pack <br /> If the aquifer is slow to recharge, development will continue until recharge is too slow to practically <br /> continue The volume of water produced versus time will be recorded <br /> All withdrawn groundwater will be stored on-site in 55-gallon waste drums unless permission is <br /> granted by the appropriate regulatory agency to discharge the water to the ground surface or sanitary <br /> W WdmrnlShellslQAQC-97 DOC <br />