Thanks for sharing,
very informative article, keep them coming please

good achievement

I think this has happened due to rapid cooling after the weld metal has been deposited & sufficient hydrogen has been absorbed by the weld metal from the arc atmosphere.

arcpro has made a good point above, totally agree with him, I would like to add the following statement;
( Components which interfere with filling, venting, draining or
flushing shall not be installed until after line flushing and
pressure testing are completed. These include orifice plates,
flow ...

hey Sameen,
well honestly speaking, I'm yet not familiar with the whole forum thing I've newly joined here, so instead of the aggressive attitude you could have just simply corrected me that's isn't a mechanical thread, even though I was responding to your last query which was completely an ...

Dear Sameen,
I fully undersand what you're talking about & thus I answered your query ! you wrote & i quote ( I have never been able to understand the role of QA/QC Engineers in a Project ) & I have summarized some of the QC engineers roles during the project! If that wasn't your query please ...

Dear Qaisar,
sorry for being late, kindly click on the below Link you would find a brief review about Baroscopic, hopefully you would find it helpful.

http://www.karlstorz.de/cps/rde/xchg/SI ... l/6161.htm

Dear Sameen,
well, speaking of which !! some of the I&C enginners doesn't even know how to read P&ID or Isometric !! at any rate I'm not trying to underestimate I&C engineers by any means.
& YES SIR, QA/QC engineers they don't have to necessarily get involved or be compared to I&C engineers because ...

Hey Sameen,
the QA/QC engineer has more roles/duties than you could possibly imagine ! right below are some of the QA/QC responsibilities during the construction of any project/plant:
-Review and approval of WPS, PQR,
-Project construction inspection specifications,
-NDT procedures and material ...

we've gone through the same situation in our plant, after the pre-comessioning (water flushing/air blowing & steam blowing) phase successfuly completed, we have done an internal inspection only for the critical lines by using Baroscopic device