RE: [MW:26330] RE: 26313] Hydro Test

Pressure test is a mandatory requirement of  pressure piping designed and fabricated according to B-31.1 code. Clause 137 & various other clauses  of this code explicitly specifies the requirements. The medium could be Hydro or Pneumatic.

 

Pneumatic test is  not advisable for safety and integrity of piping components. Hence Hydro test is the default choice.

 

Hope it clarifies your doubt.

 

Thanks.

 

 

P.Goswami.P.Eng, IWE.

Welding & Metallurgical  Engineering Specialist

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

Email:pgoswami@quickclic.net,pradip.goswami@gmail.com

 

 

 

From: Ganesan [mailto:ganesandme03@yahoo.co.in]
Sent: March 30, 2017 7:25 AM
To: materials-welding@googlegroups.com; PGoswami <pgoswami@quickclic.net>; materials-welding@googlegroups.com
Subject: Re: [MW:26315] RE: 26313] Hydro Test

 

Noted for your valuable point. But the contractor is asking to show the code requirements. 

 

B31.1 has followed for design and fabrication of the Piping. 

 

Sent from Yahoo Mail on Android

 

On Thu, 30 Mar 2017 at 12:21 p.m., PGoswami

<pgoswami@quickclic.net> wrote:

What's the design and fabrication code for Piping??

 

Usually pressure piping  have to be hydro tested (by default) as like pressure vessel. No exceptions to rules?

 

A citation from the appropriate code or mentioning the appropriate code would be appreciated.

 

Thanks.

 

P.Goswami.P.Eng, IWE.

Welding&Metallurgical Specialist

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

Email:pgoswami@quickclic.net,pradip.goswami@gmail.com

 

From: 'Ganesan' via Materials & Welding [mailto:materials-welding@googlegroups.com]
Sent: March 29, 2017 6:13 AM
To: Materials & Welding <materials-welding@googlegroups.com>
Subject: [MW:26313] Hydro Test

 

Dear Experts,

 

Could you please share the standard requirements for piping hydro test, because our chines contractor has not ready to conduct hydro test for the same piping. they said as per chines standard no need hydro test.

 

  

 

Thanks & Regards, K.GANESAN Quality Control ISGEC / ISGEC John Thompson, A-4 Sector-24 Noida-201301 (UP) Tel. +91-120-2411175 Direct Tel. +91-120-2411175 Mobile : +91-9952166894

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Re: [MW:26331] Circumferential pipe weld joint resting on structural beam in process piping

It is not prohibited

Sent from my Samsung Galaxy smartphone.

-------- Original message --------

From: 'Biplab Pal' via Materials & Welding <materials-welding@googlegroups.com>

Date: 28/03/2017 18:16 (GMT+02:00)

To: materials-welding <materials-welding@googlegroups.com>

Subject: [MW:26299] Circumferential pipe weld joint resting on structural beam in process piping

Dear experts,

We need your kind support based on your experience and any code/std references.

The situation is that some of our process piping in refinery division THE CIRCUMFERENTIAL JOINT has come such position that the joint rests on the structural beam.

Is it allowed?

Some inspector have a concern that there is a developed stress while operation and the joint may fail.

Please share your experience and reference.

Thank you very much 

With best regards

Biplab Pal

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Biplab Pal
Welding Inspector

E-mail:   biplab.mech@gmail.com
 
Information in this email and any attachments is confidential and intended solely for the use of the individual(s) to whom it is addressed or otherwise directed. Please note that any views or opinions presented in this email are solely those of the author and do not necessarily represent those of the Company. Finally, the recipient should check this email and any attachments for the presence of viruses. Myself accepts no liability for any damage caused by any virus transmitted by this email.
 

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Re: [MW:26331] Circumferential pipe weld joint resting on structural beam in process piping

1. Grind the pipe joint reinforcement on the contact area of beam.

2. Do NDT on the joint.

3. Get the design approvel.

Sent from my Samsung Galaxy smartphone.

-------- Original message --------

From: Perumal Govindan <perumalgovindan@gmail.com>

Date: 03/30/2017 7:02 PM (GMT+03:00)

To: materials-welding@googlegroups.com

Subject: Re: [MW:26328] Circumferential pipe weld joint resting on structural beam in process piping

Hi

Please adjust the pipe support location after approval by your piping design engineering and if not possible to adjust get concurrence from them for close out.

Regards
P Govindan

On Mar 28, 2017 18:21, "'Biplab Pal' via Materials & Welding" <materials-welding@googlegroups.com> wrote:

Dear experts,

We need your kind support based on your experience and any code/std references.

The situation is that some of our process piping in refinery division THE CIRCUMFERENTIAL JOINT has come such position that the joint rests on the structural beam.

Is it allowed?

Some inspector have a concern that there is a developed stress while operation and the joint may fail.

Please share your experience and reference.

Thank you very much 

With best regards

Biplab Pal

--

Thanks & Regards
Biplab Pal
Welding Inspector

E-mail:   biplab.mech@gmail.com
 
Information in this email and any attachments is confidential and intended solely for the use of the individual(s) to whom it is addressed or otherwise directed. Please note that any views or opinions presented in this email are solely those of the author and do not necessarily represent those of the Company. Finally, the recipient should check this email and any attachments for the presence of viruses. Myself accepts no liability for any damage caused by any virus transmitted by this email.
 

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[MW:26331] What is pipe ?

Dears,

I have an bug on EN 15614-1 regarding to pipe description.There is no description of pipe. When I machine below flange from plate, is it designated as pipe or not?

When I have an joint as below,My body material thickness is 50mm. 

My customer requested pipe wpqr for this joint. But I think I can cover this joint with an 30mm Butt Weld WPQR.

What is your opinion?

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[MW:26331] Regarding Heat treatment and post heating.

Dear Experts,

We have straighten the pipe material SA234 WP9, PNo. P5B, for qualification of procedure.Now we will have to done Normalizing and tempering of plate welded material.

Kindly suggest at what temperature we should done the Normalizing 

Also let me.konw is there any post heating requirements are there for this material.or not.

Material is SA234WP9 20mm thk drawn  from.pipe into plate hardness is 190 BHN after straightening and cutting processes.

Best Regards,

Mohit Aggarwal.

9821958461

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Re: [MW:26329] Circumferential pipe weld joint resting on structural beam in process piping

Generally,  piping drawings shall take care of this type of issues during fabrication of pipe spools. 

It is a very common problem, if you don't have any option to move the support,  then before the support cut and add one pup piece pipe and do all welding and NDT as per the  regulations  and avoid the fouling. 

Regards

Anil 

On Mar 28, 2017 8:51 PM, "'Biplab Pal' via Materials & Welding" <materials-welding@googlegroups.com> wrote:

Dear experts,

We need your kind support based on your experience and any code/std references.

The situation is that some of our process piping in refinery division THE CIRCUMFERENTIAL JOINT has come such position that the joint rests on the structural beam.

Is it allowed?

Some inspector have a concern that there is a developed stress while operation and the joint may fail.

Please share your experience and reference.

Thank you very much 

With best regards

Biplab Pal

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Biplab Pal
Welding Inspector

E-mail:   biplab.mech@gmail.com
 
Information in this email and any attachments is confidential and intended solely for the use of the individual(s) to whom it is addressed or otherwise directed. Please note that any views or opinions presented in this email are solely those of the author and do not necessarily represent those of the Company. Finally, the recipient should check this email and any attachments for the presence of viruses. Myself accepts no liability for any damage caused by any virus transmitted by this email.
 

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Re: [MW:26328] Circumferential pipe weld joint resting on structural beam in process piping

Hi

Please adjust the pipe support location after approval by your piping design engineering and if not possible to adjust get concurrence from them for close out.

Regards
P Govindan

On Mar 28, 2017 18:21, "'Biplab Pal' via Materials & Welding" <materials-welding@googlegroups.com> wrote:

Dear experts,

We need your kind support based on your experience and any code/std references.

The situation is that some of our process piping in refinery division THE CIRCUMFERENTIAL JOINT has come such position that the joint rests on the structural beam.

Is it allowed?

Some inspector have a concern that there is a developed stress while operation and the joint may fail.

Please share your experience and reference.

Thank you very much 

With best regards

Biplab Pal

--

Thanks & Regards
Biplab Pal
Welding Inspector

E-mail:   biplab.mech@gmail.com
 
Information in this email and any attachments is confidential and intended solely for the use of the individual(s) to whom it is addressed or otherwise directed. Please note that any views or opinions presented in this email are solely those of the author and do not necessarily represent those of the Company. Finally, the recipient should check this email and any attachments for the presence of viruses. Myself accepts no liability for any damage caused by any virus transmitted by this email.
 

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Re: [MW:26327] Which code states the distance between the weld .

Dear Anil,

You change the orientation or rotate the LSAW pipe (main pipe) if possible.

Otherwise get clarification or approval from your design engineering.

Once approved you can do
Welding.

Please note that after welding of branch pipe (with or without RF Pad), additional radiography of 150 mm (both sides) shall be taken on main pipe long seam weld to ensure the weld metal soundness.

The above radiography requirement is  more enough to satisfy the Client.

Regards
P Govindan

On Mar 17, 2013 12:51, "Anil Hegde" <nottyanil@gmail.com> wrote:

Dear Expert ,

We have a 36 inch pipe which is welded type ,On it We have 12 inch connection which is coming on the ( long seam ) of the pipe .

Is There any code which says we can or cannot do welding on long seam of the pipe .

Requesting you for your positive feedback .

Regards

Anil Hegde 

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Re: [MW:26326] Change of NDT in repairs joint

Dear sir,

Asking as information only,
is it written/mentioned anywhere in code like API, that it is not allowed to change the Ndt method or only same has to used.



Regards
Prasad

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Re: [MW:26323] NDT requirements

Dear ganeshanan,

Are you asking about which ASME code?

means pls specify exact code no.

Regards
Prasad

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Re: [MW:26323] NDT method for cleat welding

Dear Sir.

The cleat is temporary for fabrication right ? Is anything you were noticed in Project specs?

However after temporary cleat removal, PT - MPTon pipe affected area is recommend.

Thanking You,

With Regards..
Dinesh V Somwanshi
Api 570, Cswip 3.1,Bgas 2
Authorised Certified Piping, Welding, Painting Inspector.
00919881344135

On Mar 30, 2017 8:42 PM, "ranjith rajendran nair" <ranjilook@gmail.com> wrote:

Dear Dinesh,

Only visual inspection,No need of MPT or PT.

On Thu, Mar 30, 2017 at 8:28 AM, Dinesh Somwanshi <som.din@gmail.com> wrote:

Visual Inspection

*DINESH VITTHAL SOMWANSHI*

*BACHELOR IN MECHANICAL ENGINEER*

*AUTHORIZED PIPING / WELDING / NDT / PAINTING INSPECTION PERSONNEL,*
*API 570 - Piping Inspector,** AWS - CWI , CSWIP 3.1*,*BGAS  Gr 2 / 3*
*NDT II -UT , RT , MT , PT, VT*
00919881344135
Skype = dinesh570_1

असो द्यावी दया तुमच्या लागतसे पाया.

*Pray for others, sometime, You might never need to pray for yourself
again.....*

On Wed, Mar 29, 2017 at 10:32 PM, ranjith rajendran nair <ranjilook@gmail.com> wrote:

Dear All,

Can any one please clarify whether what NDT procedure should follow regarding welding of cleats in supports for pressure vessel.

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Re: [MW:26323] RE: 26313] Hydro Test

You have to refer B31. 3 ASME CODE for fabrication and installation for hydrates ring. 

On 30 Mar 2017 9:41 a.m., "PGoswami" <pgoswami@quickclic.net> wrote:

What's the design and fabrication code for Piping??

 

Usually pressure piping  have to be hydro tested (by default) as like pressure vessel. No exceptions to rules?

 

A citation from the appropriate code or mentioning the appropriate code would be appreciated.

 

Thanks.

 

P.Goswami.P.Eng, IWE.

Welding&Metallurgical Specialist

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

Email:pgoswami@quickclic.net,pradip.goswami@gmail.com

 

From: 'Ganesan' via Materials & Welding [mailto:materials-welding@googlegroups.com]
Sent: March 29, 2017 6:13 AM
To: Materials & Welding <materials-welding@googlegroups.com>
Subject: [MW:26313] Hydro Test

 

Dear Experts,

 

Could you please share the standard requirements for piping hydro test, because our chines contractor has not ready to conduct hydro test for the same piping. they said as per chines standard no need hydro test.

 

  

 

Thanks & Regards, K.GANESAN Quality Control ISGEC / ISGEC John Thompson, A-4 Sector-24 Noida-201301 (UP) Tel. +91-120-2411175 Direct Tel. +91-120-2411175 Mobile : +91-9952166894

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Re: [MW:26320] RE: 26313] Hydro Test

Noted for your valuable point. But the contractor is asking to show the code requirements. 

B31.1 has followed for design and fabrication of the Piping. 

Sent from Yahoo Mail on Android

On Thu, 30 Mar 2017 at 12:21 p.m., PGoswami

<pgoswami@quickclic.net> wrote:

What's the design and fabrication code for Piping??

 

Usually pressure piping  have to be hydro tested (by default) as like pressure vessel. No exceptions to rules?

 

A citation from the appropriate code or mentioning the appropriate code would be appreciated.

 

Thanks.

 

P.Goswami.P.Eng, IWE.

Welding&Metallurgical Specialist

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

Email:pgoswami@quickclic.net,pradip.goswami@gmail.com

 

From: 'Ganesan' via Materials & Welding [mailto:materials-welding@googlegroups.com]
Sent: March 29, 2017 6:13 AM
To: Materials & Welding <materials-welding@googlegroups.com>
Subject: [MW:26313] Hydro Test

 

Dear Experts,

 

Could you please share the standard requirements for piping hydro test, because our chines contractor has not ready to conduct hydro test for the same piping. they said as per chines standard no need hydro test.

 

  

 

Thanks & Regards, K.GANESAN Quality Control ISGEC / ISGEC John Thompson, A-4 Sector-24 Noida-201301 (UP) Tel. +91-120-2411175 Direct Tel. +91-120-2411175 Mobile : +91-9952166894

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Re: [MW:26320] Which code states the distance between the weld .

where it is given AWSD1.1

On Sunday, March 17, 2013 at 2:03:22 PM UTC+3, Auditors wrote:

HI,

 

Please refer AWS D1.1 and ABS Modu Part 2 , IACS 46/47: Only little info available in codes/stds in above said topic. Thanks

 

 

On Sun, Mar 17, 2013 at 2:29 AM, Anil Hegde <nott...@gmail.com> wrote:

Dear Expert ,

We have a 36 inch pipe which is welded type ,On it We have 12 inch connection which is coming on the ( long seam ) of the pipe .

Is There any code which says we can or cannot do welding on long seam of the pipe .

Requesting you for your positive feedback .

Regards

Anil Hegde 

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Re: [MW:26320] NDT method for cleat welding

Dear Dinesh,

Only visual inspection,No need of MPT or PT.

On Thu, Mar 30, 2017 at 8:28 AM, Dinesh Somwanshi <som.din@gmail.com> wrote:

Visual Inspection

*DINESH VITTHAL SOMWANSHI*

*BACHELOR IN MECHANICAL ENGINEER*

*AUTHORIZED PIPING / WELDING / NDT / PAINTING INSPECTION PERSONNEL,*
*API 570 - Piping Inspector,** AWS - CWI , CSWIP 3.1*,*BGAS  Gr 2 / 3*
*NDT II -UT , RT , MT , PT, VT*
00919881344135
Skype = dinesh570_1

असो द्यावी दया तुमच्या लागतसे पाया.

*Pray for others, sometime, You might never need to pray for yourself
again.....*

On Wed, Mar 29, 2017 at 10:32 PM, ranjith rajendran nair <ranjilook@gmail.com> wrote:

Dear All,

Can any one please clarify whether what NDT procedure should follow regarding welding of cleats in supports for pressure vessel.

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Re: [MW:26316] NDT method for cleat welding

Visual Inspection

*DINESH VITTHAL SOMWANSHI*

*BACHELOR IN MECHANICAL ENGINEER*

*AUTHORIZED PIPING / WELDING / NDT / PAINTING INSPECTION PERSONNEL,*
*API 570 - Piping Inspector,** AWS - CWI , CSWIP 3.1*,*BGAS  Gr 2 / 3*
*NDT II -UT , RT , MT , PT, VT*
00919881344135
Skype = dinesh570_1

असो द्यावी दया तुमच्या लागतसे पाया.

*Pray for others, sometime, You might never need to pray for yourself
again.....*

On Wed, Mar 29, 2017 at 10:32 PM, ranjith rajendran nair <ranjilook@gmail.com> wrote:

Dear All,

Can any one please clarify whether what NDT procedure should follow regarding welding of cleats in supports for pressure vessel.

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Re: [MW:26316] Change of NDT in repairs joint

Dear sir,

Its not allowed in API standard as well. The process of NDT should be same on repair joint also verify or start from intial stages. 

*DINESH VITTHAL SOMWANSHI*

*BACHELOR IN MECHANICAL ENGINEER*

*AUTHORIZED PIPING / WELDING / NDT / PAINTING INSPECTION PERSONNEL,*
*API 570 - Piping Inspector,** AWS - CWI , CSWIP 3.1*,*BGAS  Gr 2 / 3*
*NDT II -UT , RT , MT , PT, VT*
00919881344135
Skype = dinesh570_1

असो द्यावी दया तुमच्या लागतसे पाया.

*Pray for others, sometime, You might never need to pray for yourself
again.....*

On Thu, Mar 30, 2017 at 12:39 AM, Prasad Rode <purode333@gmail.com> wrote:

Dear sir,

1) Means it is not allow to do any change in NDT method for repair acceptance of weld joint.


2) But asking only for information and discussion that , why is it not allow as my NDT changing or replacing method is equivalent to first one?

UT and RT are volumetric NDT method.

Regards
Prasad

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Re: [MW:26316] NDT requirements

Dear Ganesans,

Please will you check your project speccifications & ITP for the fabricated itesm. The inspection process may differ client to client & Operational condition.

Regards

Dinesh 

*DINESH VITTHAL SOMWANSHI*

*BACHELOR IN MECHANICAL ENGINEER*

*AUTHORIZED PIPING / WELDING / NDT / PAINTING INSPECTION PERSONNEL,*
*API 570 - Piping Inspector,** AWS - CWI , CSWIP 3.1*,*BGAS  Gr 2 / 3*
*NDT II -UT , RT , MT , PT, VT*
00919881344135
Skype = dinesh570_1

असो द्यावी दया तुमच्या लागतसे पाया.

*Pray for others, sometime, You might never need to pray for yourself
again.....*

On Wed, Mar 29, 2017 at 6:42 PM, 'Ganesan' via Materials & Welding <materials-welding@googlegroups.com> wrote:

Dear Experts.

Could you please inform that what is the ASME NDT requirements for the following items. 

1) Steel chimney. 

2) Silo 

3) Tank

4) coal Hopper 

Sent from Yahoo Mail on Android

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