Pipe sipport weld joint

[Anil]

Dear All,

   In site we have one case that pipe shoe support weld clash with elbow weld, i.e.gap between weld toes is zero.

   Can we proceed with the joints at least 100mm of each welds will be tested with 100% X-ray, 100% VT and 100% MT

[George Dilintas]

what is the applicable Code/ Standard (B31.1?, B31.3? other?)

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Dr. Georgios Dilintas,

Dipl. Ing. In Aeronautic and Space Engineering

Ph.D in Mechanics of Solids - Computational Mechanics

A.I.S, A.N.I, IRCA Lead Auditor

Welding, Stress Analysis, Corrosion, QA/QC, Failure Analysis, Risk Analysis

[Chiranjeevi A]

Dear George,

We are using ASME B31. 3

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[Mohamed Muneeb]

Hi,

To contemplate on your scenario, after the butt weld of pipe to elbow, your construction team proceeded welding the shoe on elbow ? So as per your statement it is not just kissing with haz but clashing, which means your construction did intentionally, now you're here for correction.

Yes correction can be done as per your above proposal if your company has any standard stating with the clause or if you have a procedure or write and take approval.

One of world's top company standards clause waives your requirement with what you have proposed.

Check SAES-W-011, search for encroachment.

Thanks 

Muneeb

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[pradip kumar Sil]

Code is silent regarding minimum distance between the weld. Different project has mentioned different criteria.Pls go through your project specification otherwise take a approval from client.

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[Bhima Kanjariya]

dear Anil,

first of tell that with type of support is there. is it trunnion support, angle support etc.

if trunnion support is there then you can proceed with your weld and followed by NDT

you can proceed with the weld but take care while welding that there should be gap in welding of support whenever it collide with elbow weld.

don't weld on elbow weld. skip the welding on elbow weld. other place proceed with joint and do the NDT.

Thanks

Bhima Kanjariya