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1680 Durham Ferry Road, Tracy, CA <br />GROUT CALCULATIONS <br />MW-2x <br />A f B C D I E F G I H I J K L M NJ 0 <br />1 Standard Well <br />radius in <br />inches <br />1 <br />4 <br /> 4 <br />10 <br />radius radiusA2 <br />pi (ft) (ftA2) ._. <br />height <br />(ft) --r <br />Volume <br />(ft^3) <br />Convert <br />ftA3 to Volume <br />gals. (gals) -t- <br />Total <br />Filter <br />pack vol. <br />(gals) <br />Filter <br />pack <br />porosity <br />I <br />- 2 <br />Effective <br />Filter <br />pack Vol. <br />(gals) <br />Total <br />volume <br />(gals) <br />Actual <br />Grout <br />Used <br />(gals) 3 <br />4 _ <br />5 <br />6 Casing Blank adjacent to sealing material 3.1415 0.0833 , 0.0069 27 0.59 7.48 4.41 4.41 <br />7 Casing Screen & Blank adjacent to filter pack 3.1415 0.0833 , 0.0069 5 0.11 7.48 0.82 0.82 <br />8 <br />9 <br />Borehole Filterpack 3.1415 0.3333 1 0.1111 5 1.75 7.48 13.05 12.24 0.30 3.67 3.67 <br />Borehole Filterpack Below casing 3.1415 0.3333 0.1111 , 2.5 87 0... 748 653 0.30 1.96 1.96 <br />10 Borehole Mushroom cap 3.1415 <br />-- <br />0.8333 <br />.,. <br />0.6944 1 2.18 7.48 16.32 16.32 <br />11 27.17 <br />12 <br />4 13 <br />14 t <br />15 Casing Blank = Lenith 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 fliterpack , <br />17 Borehole Fiftepack = Length of borehole annulus filled with filterpadc <br />18 Borehole Filterpack Below screen = Length of borehole filled with filterpack only below the well screen; Usually does not exist in most wells. <br />19 Borehole Mushroom cap = length of borehole above casing <br />diameter) <br />cut off filled with grout (typically 1 foot) <br />20 radius in inches = radius of casing or borehole (Not i <br />21 pi = 3.1415 <br />22 radius in feet = Radius in inches/12 <br />23 height = height of borehole or casing in feet ---f <br />J i <br />24 ft3= cubic feet, pi`r211 1 <br />25 Feet to gallon = 7.48, conversion factor <br />26 Volume in gallons = fta*7.48 <br />27 Total Filter pack volume = Borehole Filterpack volume - casing screen <br />28 filterpack porosity = AssurnedLoro_of 31)% , [ 1 <br />29 Effective Filterpack Volume = Total Fitter pack volume • Filterpackporosity <br />Volume 30 Total Volume = Blank Casing + Screen Casing + Effective fliterpack + Mushroom <br />31 User Defined Value , , ,