Tuesday, September 8, 2009

[MW:3141] Re: 3137] hot-oil traced line

Explore all other pressure testing options first and then only choose pneumatic testing as a last option.  Usually, if you decide to go ahead with pneumatic testing, you will be required to make a procedure that excercises extreme caution when pressurizing the piping to test pressure and takes into account the safety of personnel in the area (top priority).  This procedure should be approved by the client/owner before being executed.
 
Regards,
 
jz

--- On Tue, 9/8/09, Bathula Raghuram (Mumbai - PIPING) <R.Bathula@ticb.com> wrote:

From: Bathula Raghuram (Mumbai - PIPING) <R.Bathula@ticb.com>
Subject: [MW:3138] RE: 3137] hot-oil traced line
To: materials-welding@googlegroups.com
Received: Tuesday, September 8, 2009, 12:32 AM

Avoid due to safety reasons, please see the attachment. Or convince your client with additional NDT along with very low pressure pneumatic test followed by service test.

 

From: materials-welding@googlegroups.com [mailto: materials-welding@googlegroups.com ] On Behalf Of daniel iordache
Sent: Tuesday, September 08, 2009 12:27 PM
To: materials-welding@googlegroups.com
Subject: [MW:3137] hot-oil traced line

 

hello Friends

 

we have in project 10-12" bitumen line .......these lines are accompanied by hot-oil traced line 1" sch 40....maximum pressure for those line are 30 psi.....due the complexity of network ....i want to test line instead of hydrostatic ...pneumatic at 90 psi ... ....there is any restriction..? Most of people said is avoid to do pneumatic test ...by code ....i did not find any ....

 

please advice


--
Daniel Iordache
Bureau Veritas - Angola
Mechanical& Welding Surveyor
Mobile Ao: +244921544583
Mobile Ro:   +40721731728
E-Mail: daniel.iordache@gmail.com
          daniel_iordache@yahoo.com




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