Enquiry about lower shell MPI while replacing Annular Plate in storage tank

tahir alam

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Jul 9, 2018, 11:29:33 PM7/9/18

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Dear experts

We have contract of tank maintenance in Kuwait. While replacing annular plate inspection ask to do DPT of 2 inch of shell plates. In another refinery they are agree to do MPI only while replacing the annular plates. kindly guide me which one is mention in code. If specifically mention in code then pls send me code detail also.

Best Regards

Tahir Alam

Planning Engineer
Agam Tank Maintenance Group
Mobile : +(965)5150-1509

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PGoswami

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Jul 9, 2018, 11:40:22 PM7/9/18

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What’s the design code? Is there any additional requirement such as clients’ specifications.

MPI & LPI are often interchangeable for determination of surface defects.

Thanks.

P.Goswami.P.Eng, IWE.

Welding & Metallurgical Specialist

Linkedin: https://www.linkedin.com/in/pradip-goswami-2999855/

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tahir alam

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Jul 9, 2018, 11:56:10 PM7/9/18

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We are following API 653 ,just wanted to know is it mention in code which test is required to check shell surface defect while replacing annular plate. Here two refinery one refinery is accepting MPI and other refinery not accepting MPI ,they told us to do LPT of shell.

Best Regards

Tahir Alam

Planning Engineer
Agam Tank Maintenance Group
Mobile : +(965)5150-1509

--------------------------------------------------------------------------------

Site Office : +(965)2388-3614
Head Office : +(965) 2398-5381l2
Fax : +(965) 2398-8312
P.O.Box : 9390 Ahmadi, 61004 Kuwait
Email : tahira...@gmail.com
Website : www.agamltd.com

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Kishor Swaminathan

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Jul 10, 2018, 1:23:38 AM7/10/18

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Hi Dear ,

Annular plate have the inspection for first root DPT ,final UT, then shell to annular plate diesel chalk test,VBT, outside .MPI OR LPT

REGARDS,

KISHOR

WELDING INSPECTOR

TARIQ ALGHANIM

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