RE: [PipingDesign] Inch Dia

From: <Steve>
Date: Mon Apr 14 2003 - 04:56:00 EDT

Thanks for that JAVEEDI

Now I know why piping costs are generally considered the most unreliable component of a construction project estimate. Up to now, I had always blamed poor complexity factors.

Cheers

Steve McKenzie

-----Original Message-----
From: JAVEEDI@iocl.co.in [mailto:JAVEEDI@iocl.co.in] Sent: Monday, April 14, 2003 6:05 PM
To: PipingDesign@yahoogroups.com
Subject: RE: [PipingDesign] Inch Dia

In construction projects, both Inch Dia & Inch Metre are generally considered as units for measurement of quantum of piping job (mainly for welding/ Erection of piping/ hydrotest measurements). Former being denoted by ID of (phi)" or " and inch metre by IM respectively; can be understood as below:

Consider an 8 inch NB pipe of length say 100 metres. If there are 5 joints of this pipe to be welded, the quantum of this welding job is calculated as Pipe Dia (in inches) x No. of joints, i.e, 40 and denoted as 40 Inch dia (ID).
In terms of IM, we say the quantum of job as Pipe Dia (in inches) x No. of Metres, i.e, 800 and denoted as 800 Inch Metre (IM).

Once again, ID is generally taken as unit of measurement (of quantum of job) for Welding, Radiography, DP test etc and are used as units for payment purposes as well.

IM is considered normally to define the quantum of Piping Erection job, Insulation (besides Metre cube) and its payment terms.

Hope this clarifies;

Regards,

  -----Original Message-----
From: Md Danish [mailto:danish_petro@yahoo.com] Sent: Monday, April 14, 2003 7:42 AM
To: pipingdesign@yahoogroups.com
Subject: [PipingDesign] Inch Dia

Dear Friends,Can any one give definition of Inch Dia and Inch Meter?Regards,Md Danish



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Your use of Yahoo! Groups is subject to http://docs.yahoo.com/info/terms/ Received on Mon Apr 14 04:56:00 2003

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