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1680 Durham Ferry Road, Tracy, CA <br />GROUT CALCULATIONS <br />MW-2 <br />M IN 0 <br />1 Standard Well <br />radius in <br />inches p1 <br />radius <br />(ft) <br />radiusA2 height <br />(ftA2) (ft) , <br />--I-- <br />Volume <br />(ft^3) <br />Convert <br />ft^3 to <br />gals. <br />7.48 <br />7.48 <br />Volume <br />(gals) <br />Total Total <br />Filter <br />pack vol. <br />(gals) <br />Effective <br />Filter Filter <br />pack pack Vol. <br />porosity (gals) <br />Actual <br />Grout <br />Used <br />L(gals) <br />2 - <br />Total <br />volume <br />(gals) _ <br />5 <br />6 Casing Blank adjacent to seekng material 1 3.1415 0.0833 0.0069 1 0.02 0.16 0.16 <br />7 Casing Screen & Blank adjacent to Nter pack 1 3.1415 0.0833 0.0069 16 0.35 2.61 2.61 <br />8 <br />9 <br />Borehole Filterpack 4 3.1415 0.3333 0.1111 16 5.58 7.48 41.77 39.16 0.30 11.75 11.75 <br />Borehole Filterpack Below casing 4 3.1415 0.3333 0.1111 0 0.00 7.48 0.00 0.30 0.00 0.00 <br />16.32 10 Borehole Mushroom cap 10 3.1415 0.8333 0.6944 1 2.18 7.48 16.32 <br />11 30.84 <br />12 <br />13 _,___ <br />14 <br />15 Casing_Slank = Length of Blank Casing Adjacent <br />Casing Screen & Blank = Length of casing adjacent <br />to seal/grout <br />to filterpack <br />filled with <br />filled <br />casing <br />backfill (do not <br />on <br />with grout <br />include 5 ' length to be drilled out) <br />16 <br />17 <br />18 <br />19 <br />1 <br />filterpack <br />with fifterpack <br />cut off filled <br />Borehole Filterpack = Length of borehole annulus <br />y below the <br />(typically <br />well screen; <br />1 foot) <br />Borehole Filterpack Below screen = Length of borehole Usually does not exist in most wells. <br />Borehole Mushroom cap = length of borehole above <br />20 radius in inches = radius of casiqg 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 fta= cubic feet, pl`r2`h <br />25 <br />26 <br />Feet to_g_allon = 7.48, conversion factor <br />- casing <br />Volume in gallons = ft3'7.48 <br />27 Total Filter pack volume = Borehole Filterpack volume screen <br />28 fliterpack porosity = Assumed porosity of 30% -Th L 4 <br />29 Effective Filterpack Volume = Total Filter pack volume* <br />Effective Filterpack <br />Filterpack porosity <br />30 Total Volume = Blank Casing + Screen Casing + Volume + Mushroom Cap <br />31 User Defined Value 1 ---1- ,