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1680 Durham Ferry Road, Tracy, CA <br />GROUT CALCULATIONS <br />OS-1 <br />A 13 C D E IFI G I H I J K j I_ j M NIO <br />1 Standard Well <br />pi <br />_ ._i_ <br />radius radiusA2 <br />(ft) (ft^2) <br />i <br />height <br />(ft) <br />Convert <br />Volume ft^3 to Volume <br />t_ (ft^3) gals. (gals) <br />- <br />Total <br />Filter <br />pack vol. <br />(gals) <br />Filter <br />pack <br />porosity <br />Effective <br />Filter Total <br />pack Vol. volume <br />. (gals) (gals) <br />1 <br />2 <br />3 <br />radius in <br />inches _iigals) <br />Actual <br />Grout <br />Used <br />4 <br />5 , <br />6 Casing Blank adjacent to sealing material 0.25 3.1415 0.0208 0.0004 16 0.02 7.48 ! 0.16 I 0.16 <br />7 Casing Screen & Blank adjacent to liter pack 0.25 3.1415 0.0208 0.0004 5 0.01 7.48 , 0.05 <br />1 <br />0.05 <br />8 Borehole Filterpack 4 3.1415 0.3333 0.1111 5 1.75 7.48 13.05 13.00 0.30 3.90 3.90 <br />9 Borehole FlIterpack Below casing 4 3.1415 0.3333 0.1111 1 0.35 7.48 2.61 0.30 0.78 0.78 <br />10 Borehole Mushroom cap 10 3.1415 0.8333 0.6944 1 2.18 7.48 16.32 16.32 <br />11 , 21.22 <br />12 4_ <br />13 <br />14 5 <br />15 Casing Blank = Length of Blank Casing Adjacent to seal/grout backlit' (do not include 5 ' length to be drilled out) <br />16 Casing Screen & Blank = Length of casing adjacent to Mterpack <br />filled with <br />_ <br />17 Borehole Filterpadc = Length of borehole annulus fliterpack <br />18 Borehole Rlterpadc Below screen = Length of borehole filled with fliterpack only 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 rout ._ _ 1 foot) t) <br />20 radius in inches = radius of casing or borehole (Not diameter)._ , <br />21 pi = 3.1415 I <br />22 radius in feet = Radius in inches/12 <br />23 <br />screen <br />' Filterpack <br />height = height of borehole or casing in feet <br />24 ft3= cubic feet, pl*r.2•11 i <br />porosity <br />Volume <br /> .__ _ <br />25 Feet to gallon = 7.48, conversion factor <br />- casing <br />26 Volume in gallons = 83'7.48 <br />27 Total Filter pack volume = Borehole Filterpack volume ,__ <br />28 <br />29 <br />filterpack porosity = Assumed_oro_of 30% ' <br />Effective Filterpack Volume = Total Filter pack volume <br />Effective Filterpack <br />_______ <br />30 Total Volume = Blank Casing + Screen Casing + + Mushroom Cap <br /> <br />31 - User Defined Value , T 1