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Dr. Kostas
Migiakis
Metallurgy Engineer, NTUA
Welding Engineer, IIW, EWF
Dear Mr.Prakash,
I would like to reconfirm about your reply and give your further reply under my below queries..
1) NDT Personnel is qualified as per EN 473, so he is ok for PED job and no need of approval from NOBO Europe or NOBO korea.
2) WPS and PQR qualified as per ASME-IX, as already reviewed by Lloyds Asia (Korea) and as a harmonized standard, it is complying to EN 15614 requirements.
Macro, hardness, impact tests were all done for all the PQRs except impact tests not carried out for 4 mm pipe PQR.
3) As per your below reply, the witness and certification from either NOBO or TPI means, only the NOBO or TPI from Europe or even from Asia is well enough to certify?
4) If ASME used for PQR, then the shop shall be certified to U stamp right?
Please confirm Mr.Prakash
Regards
SARAV.
1) NDT Personnel is qualified as per EN 473, so he is ok for PED job and no need of approval from NOBO Europe or NOBO korea.
WRONG - APPROVAL IS ALWAYS REQUIRED
2) WPS and PQR qualified as per ASME-IX, as already reviewed by Lloyds Asia (Korea) and as a harmonized standard, it is complying to EN 15614 requirements.
Macro, hardness, impact tests were all done for all the PQRs except impact tests not carried out for 4 mm pipe PQR.
ALL TESTS SPECIFIED IN EN 15614-1 HAVE TO BE PERFORMED
As per your below reply, the witness and certification from either NOBO or TPI means, only the NOBO or TPI from Europe or even from Asia is well enough to certify?
THE NOBO COULD BE BASED IN ASIA BUT MUST BE NOFIFIED BY A EUROPEAN COUNTRY
4) If ASME used for PQR, then the shop shall be certified to U stamp right?
NO
Please confirm Mr.Prakash
Regards
SARAV.
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Compliance with harmonized standards gives presumption of conformity.
However one of the basic principles of the New Approach is that harmonized standards are not mandatory!!!!
Please note that not all EN standards are Harmonized Standards
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For more options, visit https://groups.google.com/d/optout.[attachment "European Welding Standards.pdf" deleted by George H Dilintas/GRC/VERITAS] [attachment "ped-guidelines_en97-23-EC-Welding Requirements.pdf" deleted by George H Dilintas/GRC/VERITAS]
COMPLIANCE WITH EN 473 IS NOT RELIEVING THE APPROVAL BY NO.BO OR RECOGNIZED THIRD PARTY ORGANIZATION
THE PQR HAS NOT TO COMPLY WITH EN 15614-1, BUT ALL THE TESTS REQUIRED BY EN 15614-1 HAVE TO BE PERFORMED
Kostas Migiakis ---14/11/2014 18:05:54---EN 473 is acceptable for PED. For PQR have in mind that the harmonized std to PED is EN 15614. So yo
From: Kostas Migiakis <kmig...@gmail.com>
To: "material...@googlegroups.com" <material...@googlegroups.com>
Date: 14/11/2014 18:05
Subject: Re: [MW:22257] PED 97/23/EC WPS & NDT Requirements
Sent by: material...@googlegroups.com
Welding Engineer, IIW, EWF
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| From: Nasser Kunju Sent: Wednesday, 19 November 2014 19:25 Reply To: material...@googlegroups.com Subject: Re: [MW:22294] PED 97/23/EC WPS & NDT Requirements |
SEE MY COMMENTS IN BOLD
PQR's should be witnessed ( no formal requirement for witnessing)/approved by RTPO/ NOBO even if it is as per ASME IX and Section VII Div. 1 . ( ASME does not require third party witness ). This applies for Categories II, III, IV
Welders to be certified (approved, the term certified is not mentioned in the PED) by RTPO/NOBO. If welders have been qualified as per ASME but witnessed by a RTPO/NOBO it will satisfy.( ASME does not require third party witness ). This applies for Categories II, III, IV
NDT personnel to be certified (approved, the term certified is not mentioned in the PED) by RTPO typically by BINDT etc which is a member of European Federation for Non-Destructive Testing (EFNDT). ( ASNT does not require third party witness ), This applies for Categories III, IV
NOBO and RTPO are bodies registered (Notified to the EU is the correct term, legally notifcation is different from registration) in the European union. You can get the list of approved national bodies from this link
PED is a law and when you implement a law the correct terms have to be used.
Nasser Kunju ---19/11/2014 17:25:21---PED is a directive only it is not design code. Since you are going for ASME for the design and con
I would strongly advise to read and study the PED Guidelines 6/12, 7/17 and 7/28
Saravanan Sornam ---28/11/2014 05:40:11---Dear Mr. Raja gopalan , Thank you for your reply .