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OMTC <br /> A S S O C I A T E S I N C <br /> Diamond Walnut Growers <br /> Facility Supply Well <br /> Grout Volume Calculations <br /> Assumptions Borehole diameter is 18 to 24 inches diameter <br /> Volume of 18-mch diameter borehole = 13 22 gal/]wear ft <br /> Volume of 24-mch diameter borehole = 23 50 gal/lmear ft <br /> Volume of 12-inch diameter casing =5 87 gal/linear ft <br /> Grout Volume for well casing = (108 ft)(5 87 gal/linear ft ) = 635 gallons <br /> Grout Volume for open space below well casing (18-inch borehole) = (25 ft)(13 22 gal/linear ft) = 331 gallons <br /> Grout Volume for open space below well casing (24-mch borehole) = (25 ft)(23 50 gal/lmear ft) = 588 gallons <br /> • Total Grout Volume (18-inch borehole) = 966 gallons <br /> Total Grout Volume 24-inch borehole = 1,223 gallons <br /> • <br /> W 1130991wp-wellabandonment doc <br />