Hi,
The repair rate calculation can use the rejected RT film agains total RT film..It is more make sense comparing base on joint which is too strenght and by lenght wise which is too easy..
Till now no such international standard regulate of repair rate calculation, it will be specified base on Owner/ Client spec..
CMIIW..
Regards..
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From: james gerald <gerry_tup@yahoo.com>
Sender: materials-welding@googlegroups.com
Date: Sat, 15 May 2010 19:37:52 -0700 (PDT)
To: <materials-welding@googlegroups.com>
ReplyTo: materials-welding@googlegroups.com
Subject: Re: [MW:5184] RE: 5170] welding Repair percentage
Soliman, When you try to take in Joint wise calculation the Repair rate percentage will be very high above the requirement of 3% or 5% normally specified. Stick to Length wise calculation
J.GERALD JAYAKUMAR 00919344954677
--- On Sat, 5/15/10, Soliman, Mohamed (kuwait) <Mohamed.Soliman@WorleyParsons.com> wrote:
From: Soliman, Mohamed (kuwait) <Mohamed.Soliman@WorleyParsons.com>
Subject: [MW:5179] RE: 5170] welding Repair percentage
To: "materials-welding@googlegroups.com" <materials-welding@googlegroups.com>
Date: Saturday, May 15, 2010, 4:31 AM
My contractor is proposing the calculation by the linear length wise .I disagreed with them and I am insisting the joint wise to have more control .I need any international standards that can support my situation as the owner specification does not specify the requirements. Please remember this only for plant piping welding and we have different sizes from 84 inches till 1 inch, Maximum of the lines is sour services. Regards Soliman From: materials-welding@googlegroups.com [mailto: materials-welding@googlegroups.com ] On Behalf Of Prabhu Kumar L
Sent: Friday, May 14, 2010 1:25 PM
To: materials-welding@googlegroups.com
Subject: [MW:5171] RE: 5170] welding Repair percentage Dear Soliman, % weld repair based on linear length will be calculated as follows: Total length (mm) of the weld radiographed against total length (mm) of repairs which will give you the % of repair in length wise. In this you need to calculate the length of each repair based on RT film. The % of repair will be very low in length wise compared to joint wise. As you indicted, joint wise is more practical compared to length wise. Regards,
From: materials-welding@googlegroups.com [mailto: materials-welding@googlegroups.com ] On Behalf Of mohamed soliman
Sent: Friday, May 14, 2010 3:35 PM
To: materials-welding@googlegroups.com
Subject: [MW:5170] welding Repair percentage We are building new booster station ,our contractor wanted to calculate the repair percentage of the welding based on the linear lenght .Alwyas this should be calculated by the joint wise .Can any one refere any international standard that state how to calculate this rate.Please note that the client specs did not specify any thing on that. Please send me your thoughts ASAP. |
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