Re: Storm Water run off

But you don't know the tailwater or inlet configuration.

Fred


"David Wang" <[EMAIL PROTECTED]> wrote in message
news:[EMAIL PROTECTED]
> My calculation shows the flow is 1200 gal/min. Your town engineer's
> estimate was correct.
>
> David
>
>
>
>
>
> Jim <""jimreid(\"@)nycap.rr.com"> wrote in message
news:<[EMAIL PROTECTED]>...
> > I hope someone can help me with a small problem.
> >
> > I have a storm water runoff problem near my house.  I have gone to the
> > town and they are more than willing to resolve the issue.  They are
> > currently discussing horizontal boaring an 8" line underground to take
> > the run off.  The line will be 424' long.  The change in grade is 20'
> > over that distance.
> >
> > Based on 2.22 acres of land (100 % covered in building and blacktop) I
> > came up with 60,000 gals. of water for every inch of rain.  I also have
> > normal street runoff add into this for a total of approx. 180,000 gal.
> > of water for every inch of rain.
> >
> > What they are telling me is an 8" pipe will take a 1000 gals of water
> > per minute. They have made no provisions to hold back any water.
> >
> > Do these numbers work?
> >
> > Jim