I have a situation where there is approximately a 35’ drop in elevation in
the UG piping from the point-of-connection to the building.  This is a
situation that usually seems to occur in reverse.  If it were an increase in
elevation I would account for the elevation pressure loss in my
calculations, but since this is a drop in elevation do I take that into
account with my calculations as well?  This would give me an additional 15
or so psi at the base of riser.  To me this seems wrong, but is it?  Do I
add this to my static and residual pressure?  Or, is this just added to the
residual?  Or, do I do nothing at all?

Bewildered in Idaho,    

Bob Knight, CET
(208) 495-2057
[EMAIL PROTECTED]
www.firebyknight.com


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