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v e <br /> AT <br /> A S S Q C I A T E S I N C <br /> E <br /> Ripon Unified School District <br /> Monitoring Well <br /> Grout Volume Calculations <br /> i1 <br /> i <br /> Monitoring Wells MW1 through MW5: <br /> �i <br /> Assumptions: Borehole diameter is 8 inches diameter <br /> Volume of annulus between casing and hole = 2.44 gal/linear ft <br /> I Volume of 2-inch diameter casing = 0.17 gal/linear ft <br /> I Filter pack porosity is 25% <br /> Grout Volume for each well = (35 ft)(0.17 gal/linear ft.)+ 0.25[(20 ft)(2.44 gal/linear ft)] <br /> = 18.26 gallons per well <br /> I <br /> 1 <br /> I <br /> i. <br /> W:11309%wp-wellabandonment.doc <br /> t <br />