Hi Jivan,
With respect to your query 2 ( Tolerance for a Given DFT measurement), please refer Para 5.2 of SSPC-PA 2 of SSPC Painting manual Volume 2.
D.Ajay Kumar
| "Ayaz Mahmood" <tigerheart_ayaz@yahoo.com> Sent by: materials-welding@googlegroups.com 09/03/2009 07:13 ص | To: <materials-welding@googlegroups.com> cc: Subject: [MW:1727] Re: Please reply this mail |
Dear Friend,
For all kind of NDT U CAN TAKE HELP BY ASME SECTION IX(QW-(302, 190)) & ASME SECTION V(ARTICLE-5). I KNOW ONLY THIS. I THINK THIS WILL SOLVE UR PROBLEM.
REGARDS,
Ayaz Mehmood
Q.S (Mechanical)
Descon Engineering Fertil
Project(1320) Ruvais Abudhabi
Mob# +971501926232
From: Tirumala B N Tagore <tagore.tbn@gmail.com>
To: materials-welding@googlegroups.com
Sent: Sunday, March 8, 2009 7:56:11 PM
Subject: [MW:1724] Re: Please reply this mail
Dear Mr.Jivan,
Pneumatic testing of reinforcing pad is npt mandatory . But you need to see the purpose being served by the pad. If it is a pad to attach a structural part where no through opening is made, it is not required. However if there is a through opening and such opening is being reinforced with a pad, you need to examine the weld integrity between the pad and the branching nozzle . Therefore it is a standrd practice to do pneumatic test of such pad and you will be able to see the weld at Pad to Nozzle , Pad to mother pipe / veseel which is typically a fillet weld and if accessible , you also can see the weld of branch nozzle to main pipe/ vessel examining at inside .
I beleive that underlying inetent of test is realised now.
WithBest Regards,
Tagore
On Sat, Mar 7, 2009 at 5:02 AM, <jivanadhamane@yahoo.co.in> wrote:
| Dear Friends/Sir, Mr. Bathula Raghuram, Rajeev Arora, Mukesh Kumar, Nilesh Patahre, Joshi, Muhhemad Ibrahim, Babu K First of all sorry to disturb u, as i have seen you have sent answer of lot of queries from you people for that once again i am requesting u to reply the below queries. If my question is not correct then let me know means i will correct it. Dear Friends (Dated :- 18/02/2009) I would like to know whether Pneumatic Test of Reinforcement Pad for branch connection of Process Piping is mandatory as per ASME B31.3. I searhed but I could not found any paragraph in ASME B31.3. Regards Jivan Dhamane Dear Friends ( Dated :- 03/03/2009) I would like to know the maximum acceptable Dry Film Thickness of the paint in % or micron for a given DFT. As per my previous experience (where I worked) as per specification that was plus/minus 30% of the total paint DFT was accptable. But I couldn't found any code or standard documents related to the maximum acceptable dry film thickness of the paint. If you have any code or standard then let me know the same means i can refer same. i need this information for piping job as well as tank job. Regards Jivan Dhamane |
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