Re: FW: Drain systems

Did you have a look at
<a href="http://www.pipingdesign.com/plasticpipe.html">http://www.pipingdesign.com/plasticpipe.html</a> ?

Specifically, maybe <a href="http://www.plasticpipe.org/pubs/pubslist.htm">http://www.plasticpipe.org/pubs/pubslist.htm</a> and http://www.vinylbydesign.com/piping/design.html .

How important are considerations like manufacturing tolerances for drain pipe?

Paul

> > Hi, anyone out there like to comment on the following:
> >
> > I have a drain system to layout on a power job for dewatering
and absorber
> > building light slurried wash-down. What was a cast iron spec
has been
> > changed
> > to PVC/CPVC, and general requirements are 3D minimum bends, no
tees
> > (laterals
> > only) and a 5 degree minimum /10 degree preferred slope.
> >
> > We need short term delivery items for installation ASAP, but
standard
> > plastic
> > catalogues do not indicate sweep elbows or laterals. Also the
issue of
> > out-of-
> > true slope on fitting tolerances are not addressed in the
vendor technical
> > manuals - i.e. how far out-of-true
> > fittings in PVC can be misaligned and retain joint integrity.
> >
> > Is a PVC system a good choice for this application - obviously
weight and
> > ease-of-installation are bonuses - or is it a poor substitute
for cast /
> > ductile iron?
Received on Thu Mar 01 20:18:00 2001