You can never attach a pipe schedule to an existing hydraulically calculated system. Sometimes you can attach a hydraulic calculated subsystem to an existing pipe scheduled system. Look at 13:22.4.1.1 (07 edition) Yea it is worded oddly. This is one of the two instances - lol.

Roland

On Apr 18, 2008, at 12:38 PM, Ron Greenman wrote:

Sean,

Since this thing is already calced, and since you'd have to pipe
schedule all the way to the source (street connection or tank), and
since unless calculations prove otherwise all UG feeds must be at
least 6" wouldn't it just be easier and less costly to calc it?

On 4/18/08, Sean Conlin <[EMAIL PROTECTED]> wrote:

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