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r <br /> Franklin High School, Stockton, California <br /> Monitoring Well <br /> Grout Volume Calculations <br /> Monitoring Wells MWl through MW5: <br /> Assumptions: Borehole diameter is 8 inches diameter <br /> Borehole depth of 62 feet <br /> Volume of annulus between casing and hole = 2.44 gal/linear ft <br /> Volume of 2-inch diameter casing = 0.17 gal/linear ft <br /> Filter pack porosity is 25% <br /> Grout Volume for each well = (62 ft)(0. gal/linear ft.)+ 0.25[(20 ft)(2.44 gal/linear ft)) <br /> = 22.74 gallons per well <br /> W:\17292.0001\wp-weUabandonment.doc <br />