Re: [MW:33531] Piping NDE Requirements

Dear Mr. Chip Frizzell,

Thanks for the swift reply on the below querry.

Now i understand fully about the requirement and Once again Many Thanks.

 Regards, 

E. Anand

On Tue, 4 Oct 2022 at 7:51 AM Chip Frizzell <chipfrizzell@gmail.com> wrote:

Chapter VI Inspections & Examinations explains the minimum requirements for examinations per service classification  The 2014 version in part says 341.4.1 Piping in Normal Fluid Service shall be examined to the extent specified herein or to any greater extent specified in the engineering design.

(a) Visual Examination. At least the following shall be examined in accordance with para. 344.2: (see 1-6)

(b) Other Examination

(1) Not less than 5% of circumferential butt and miter groove welds shall be examined fully by random radiography in accordance with para. 344.5 or by random ultrasonic examination in accordance with para. 344.6. The welds to be examined in each designated lot shall include the work product of each welder or welding operator whose welds are part of the lot. They shall also be selected to maximize coverage of intersections with longitudinal joints. When a circumferential weld with an intersecting longitudinal weld(s) is examined, at least the adjacent 38 mm (11⁄2 in.) of each inter- secting weld shall be examined. In-process examination in accordance with para. 344.7 may be substituted for all or part of the radiographic or ultrasonic examination on a weld-for-weld basis if specified in the engineering design or specifically authorized by the Inspector.

It goes on to define requirements for other service classifications and conditions. 

Thanks,

Chip Frizzell 

CWI / ASNT NDT LVL III / CRI / NACE CIP LVL 2-Certified

Chipfrizzell@gmail.com

CELL: 520-510-8093

Price is what you pay-value is what you get. 

Seldom does the lowest price result in the best value!

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On Oct 3, 2022, at 9:19 PM, Anand Elankumaran <email2uranand@gmail.com> wrote:



  Dear Team,

We are quoting on piping project as per B31.3,

During the tender we noted the point as 

" All the Extend of NDE Shall be as per code requirement "

Can anyone tell us where the extent of NDE mentioned in the ASME B31.3.

As per my understanding all the NDE requirements shall be NDE class of piping.

Please advise if anyone knows of the above situation.

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