Dear Basu
Line number will not change when there is a change in dia,
becasue the dia will change only when u r using pipe fitting for
example a reducer for that we are going to give the size of the
reducer than why there is a need to give a new line number.
- In PipingDesign@yahoogroups.com, sanjib basu <basusan2000@...>
wrote:
>
> Dear Experts,
>
> The question below is asked by one of my friends:
>
> "We have a situation wherein lines having different dia are
assigned same line numbers.
>
> I am informed, here, that its easy for process design & Piping
work (initially), but I believe that this makes execution more
complicated in terms of :
>
> - Initial estimates, Initial Inch-dia, insulation, tracing
quantities etc based on prelim MTO where P&ID is the source.
> - Based on line list, its confusing to associate a size for the
valves.
> - More importantly from a database perspective, it cannot be
captured.
>
> My question is " Is it a common practice to have line numbers with
different dia or is it non-standard? "
>
>
> With regards
> Sanjib basu
>
>
>
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Received on Sun Jan 06 23:18:00 2008