Welders Performance Monitoring

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ZAIDI Djahid

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Apr 21, 2017, 1:48:56 AM4/21/17
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Dear Gents,

May I get a clarification about the welders performance Monitoring, is it 
by :Defect Inchs/Total inchs Welded
or by :RT Film Rejected/Total RT Film Taken
or by :Defect Inchs/Total Inchs Examinated with RT

For Information the NDT carried out by other subcontractor.

Is there any of that in standards?

Thanks in advance.

D. Zaidi

Rajendra Jadhav

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Apr 21, 2017, 2:36:02 AM4/21/17
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Dear ,

Please refer SEC IX for welder qualification(performance).
For welder qualification you have to maintain weld running sheet including heat input, current, voltage etc.
And NDT part may depend on client requirement.
RT is most common NDT method for welder qualification.

regards,
Rajendra Jadhav

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Perumal Govindan

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Apr 21, 2017, 2:36:06 AM4/21/17
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Hi

Repair %= No. of repairs/No. of RT films reviewed *100.

Regards
P Govindan

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MUNHOZ Sergio TECHINT

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Apr 21, 2017, 8:13:24 AM4/21/17
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There are different ways to monitor the welding performance, usually you can use:

 

·         For RT: “Number of rejected films” per “Total Number of films”

·         For UT: “Length of defect” per “Total length inspected”

·         For Joints: “Number of Joints repaired” per “Total number of Joints” or “Number of cut of joints” per “Total number of joints”

 

You shall agree the method and the limits acceptable with your client during the bidding stage of the Project once it can involve high control costs.

 

Best regards

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