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1680 Durham Ferry Road, Tracy, CA <br />GROUT CALCULATIONS <br />MW-107 <br />A B C D E F _ G H I J K L M IN 0 <br />1 Standard Well <br />radius in <br />inches pi <br />radius <br />(ft) <br />radiusA2 <br />(ft^2) <br />Total <br />Filter <br />pack vol. <br />(gals) <br />_ <br />Filter <br />pack <br />porosity <br />Effective <br />Filter Total <br />pack Vol. volume <br />(gals) (gals) <br />Actual <br />Grout <br />Used <br />(gals) <br />2 <br />3 <br />height <br />(ft) <br />Volume <br />(W3) <br />Convert <br />ft^3 to <br />gals. <br />Volume <br />(gals) <br />4 <br />5 <br />6 Casing Blank adjacent to sealing material 1 3.1415 0.0833 0.0069 42 0.92 7.48 6.85 6.85 <br />7 Casing Screen & Blank adjacent to filter pack 1 3.1415 0.0833- 0.0069 4.5 0.10 7.48 0.73 0.73 <br />8 Borehole Filterpack 4 3.1415 0.3333 0.1111 7 2.44 7.48 18.28 17.54 0.30 5.26 5.26 <br />9 Borehole Filterpack Below casing 4 3.1415 0.3333 0.1111 2.5 0.87 7.48 6.53 0.30 1.96 1.96 <br />10 Borehole Mushroom cap 10 3.1415 0.8333 0.6944 1 2.18 7.48 16.32 16.32 <br />11 31.13 <br />12 . <br />13 <br />14 <br />15 Casing Blank = Length of Blank Casing Adjacent to seal/grout backfill (do not include 5 'length to be drilled out) <br />16 Casing Screen & Blank = Length of casing adjacent to filterpack <br />17 Borehole Filterpack = Length of borehole annulus filled with filterpack <br />18 Borehole Filterpack Below screen = Length of borehole filled with filterpack on y below the well screen; Usually does not exist in most wells. <br />19 Borehole Mushroom cap = length of borehole above casing cut off filled with grout (typica ly 1 foot) <br />20 radius in inches = radius of casing or borehole (Not diameter) <br />21 pi= 3.1415 <br />22 radius in feet = Radius in inches/12 <br />23 height = height of borehole or casing in feet <br />24 ft3= cubic feet, pl*r2*h <br />25 Feet to gallon = 7.48, conversion factor <br />26 Volume in gallons = ft3*7.48 <br />27 Total Filter pack volume = Borehole Filterpack volume - casing screen <br />28 filterpack porosity = Assumed porosity of 30% <br />29 Effective Filterpack Volume = Total Filter pack volume * Filterpack porosity <br />30 Total Volume = Blank Casing + Screen Casing + Effective Filterpack Volume + Mushroom Cap <br />31 User Defined Value I ,