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  1. HHguy

    Rock Outlet Protection Source Equation

    I'm looking for the equation(s) used to establish the Rock Outlet Protection nomographs used by so many jurisdictions. You know, the ones based on Tw < or > .5 dia., enter the figure with a Q and Pipe dia. to get a d50 then further to get length of level section. I think the source is SCS...

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