While demonstrating one thing to be remembered is to perform the demo
on a mock up with known flaws, ie., the fingerprints of the flaws of the
specimen should be available with NDT Level III so that validation of
the technique can be established.
Thanks and regards,
Raghavendra Pemmaraju
ASNT NDT Level III (RT,UT,MT),PCN L-II (UT,Phased Array UT),RSO L-III
(BARC)
Senior Manager,QC
Heavy Engg.Division,
Larsen & Toubro Limited
Hazira Manufacturing Complex
Surat, Gujarat
India
Larsen & Toubro Limited
www.larsentoubro.com
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>>> <pgoswami@sympatico.ca> 25/11/2009 03:59 am >>>
Subject: RE: [MW:3725] NDT procedure qualification
Date: Tue, 24 Nov 2009 14:52:24 -0500
From: pradip.goswami@opg.com
To: pgoswami@sympatico.ca
Dear Hrishi,
Demonstration of NDT procedure is a requirement to ensure that correct
technique is adopted which concurs with the written NDE procedure. Any
NDE procedure has a host of variable, operators training, equipment
calibration, if required NDE mock ups etc. Any of the missing variables
may affect the quality and results of NDE inspection. Hence it is always
advisable to check the correctness of proper NDE technique, prior to
actual NDE on the job.
If you read through ASME Sec-V each NDE technique requires to
satisfactorily establishing prior to application in the job. Usually
this has be ensured by an ASNT Level--II or Level- III personnel or
persons with equivalent NDE qualification.
In ASME Sec-V the following articles talks about demonstration
/qualification: --
* T-221.2 Procedure Demonstration.*Radiography.
* T-721.2 Procedure Qualification*MPI
* T-421.2 Procedure Qualification.-- UT
* T-621.2 Procedure Qualification.--LPI
Hope it answers your query.
Pradip Goswami,P.Eng
Senior Engineer/Specialist(Welding-Metallurgy)
Machine Dynamics & Component Integrity Dept.
Engineering & Training Services Division
ONTARIO POWER GENERATION Inc.
PO Box-2000, RR-55(South)
Nanticoke, Ontario,N0A1L0
Tel:-(519) 587-2201, Ext 3107--in Nanticoke
(416) 231-4111, Ext 5925--in Kipling,Toronto
Fax: (519) 587-6814
Email-pradip.goswami@opg.com.
Date: Tue, 24 Nov 2009 18:21:16 +0530
Subject: [MW:3725] NDT procedure qualification
From: hrishikm07@gmail.com
To: materials-welding@googlegroups.com
Is it mandatory to demonstrate NDT procedure qualification before
applying in the actual job? If so, please give the code/standard
reference.
Regards
Hrishi
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