Friday, November 28, 2014

Re: [MW:22392] PED 97/23/EC WPS & NDT Requirements

Dear Mr. Raja gopalan ,

Thank you for your reply .

As Impact test for B/M and PQR is exempted per UHA 51 (g) in ASME Sec VIII Div, 1, the ratio shows 0.20 only, for A 928 UNS 31803, 10 " 4.29 mm pipe, MDMT is -45 Deg C ( Equivalent Pipe is A 790 UNS 31803 was used for allowable stress per ASME Part II D )

Is it required to do Impact Test for PQR as per PED 97/23/EC for 4.29 mm thk pipe ? as we are going to do Impact test for pipe now.

Regards ,
Saravanan





On Thu, Nov 20, 2014 at 6:41 PM, Rajagopal Kannan <rajagopal.kannan@gmail.com> wrote:
Dear Saravanan,
Also as Mr. George mentioned, the testing requirements of EN 15614-1 like RT, MPI, HARDNESS etc. which are additional to ASME Sec. IX, are to be performed for the PQR test coupon
Thanks and Best Regards,
K.Rajagopal
On Thu, Nov 20, 2014 at 7:54 AM, Rajagopal Kannan <rajagopal.kannan@gmail.com> wrote:
Dear Gents,
Very Frequently we do these PED jobs.
Nasser Kunju is right as a whole. We had the instances of using PCN certified level II for NDT examinations and hence could not come across violations. I could not comment on NDT part. Except that Be it EN 15614 or ASME sec.IX, PED does not bother the construction code, where as NOBO/ RTPI Witness is a must,
Also, We have seen N no. of CE marked U stamp vessels and hence No contradiction what so Ever.
 
Also, please note that every material you use has to be supported with a PArticular Material appraisal compatible to harmonised ( EN based) Materials.
 
Thanks and Best Regards,
K.Rajagopal
 
On Wed, Nov 19, 2014 at 2:44 PM, Nasser Kunju <nasser.kunju@gmail.com> wrote:

PED is a directive only it is not  design code. 
Since you are going for ASME for the design and construction you need to comply with all  ASME requirements plus additional requirements of PED.

PQR's should be witnessed/approved   by RTPO/ NOBO even if it is as per ASME IX and Section VII Div. 1 . ( ASME does not require third party witness )

Welders to be certified 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 )

NDT personnel to be certified 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 )


NOBO and RTPO are bodies registered in the European union. You can get the list of approved national bodies from this link 
http://ec.europa.eu/enterprise/newapproach/nando/index.cfm?fuseaction=notifiedbody.main

Trust the above will help you.



Best regards,
Nasser M.K.

On Sat, Nov 15, 2014 at 4:17 PM, <george.dilintas@gr.bureauveritas.com> wrote:

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

    best regards

    Dr. Georgios Dilintas

    Authorized Nuclear Inspector
    Authorized Inspector Supervisor


    I&F REGIONAL TECHNICAL MANAGER
    BUREAU VERITAS HELLAS

    Tel: +30 210 40 63 113/4
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    (See attached file: Dilintas_George.vcf)

"pgoswami" ---15/11/2014 04:48:58---Hi Saravanan,

From: "pgoswami" <pgoswami@quickclic.net>
To: <materials-welding@googlegroups.com>
Cc: <saravanshyla@gmail.com>
Date: 15/11/2014 04:48
Subject: RE: [MW:22261] PED 97/23/EC WPS & NDT Requirements
Sent by: materials-welding@googlegroups.com



Hi Saravanan,
 
I think there're some mix up on this issue.
 
First of all if PED is the directive or the design basis document then all welding qualifications should be done as per PED directives and appropriate EN standards.
 
To my understanding ,requirements and acceptance criteria of EN-288 and ASME Sec-IX are not the same. The grouping of materials , required testing and acceptance requirements  differs
 
If your vendor is trying to push the acceptance of ASME WPS and PQR , then a comparative spreadsheet must be provided to aid the AI, without which acceptance would put the AI in liability or risk.
 
LR is one of the third party review organization, accepted worldwide. Hence the selection of  LR as reviewer was not a problem, however acceptance of  ASME welding  WPS/PQR  for  PED designed equipments may not be the right choice.
 
Look at the 2nd attachment , clause 6.12 for qualification of welding procedures and 6.13 for NDE personnel.
 
The first attachment gives general overview of all EN standards.It's bit old, there may be changes incorporated in the standards.
 
Thanks.
 
Pradip Goswami, P.Eng,IWE
Welding & Metallurgical Specialist
Ontario, Canada
pgoswami@quickclic.net
pradip.goswami@gmail.com
http://ca.linkedin.com/pub/pradip-goswami/5/985/299
 

From: materials-welding@googlegroups.com [mailto:materials-welding@googlegroups.com] On Behalf Of Saravanan Sornam
Sent: Wednesday, November 12, 2014 2:35 AM
To: materials-welding@googlegroups.com
Subject: Re: [MW:22234] PED 97/23/EC WPS & NDT Requirements

Dear Mr.Veera ,

Thank you for your reply.

Whether LR to be from Europe as given in PED List of Notifiers, attached for your reference.

Or Even LR from ASIA is allowed to approve these procedures for PED.

Then for NDT personnel, can we use EN 473 qualified person for PED Jobs.

Regards,
Saravanan,
Korea

On Wed, Nov 12, 2014 at 4:08 PM, veera raghava Kommisetti <kommisetti@gmail.com> wrote:

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