I am agreeing with Mr.Abdul...
A 6 / A 6M for receiving inspection not for after fabrication of the
plate...
After fabrication your should follow API 650
Adi
KSA
On Feb 27, 8:19 am, Fitria Rahman <t.chint...@gmail.com> wrote:
> Dear Abdul
>
> A 6/A 6M indicates the requirements and acceptance criteria when you
> purchase and receive the material required for project, let say, plate. I
> have seen A 6 standard is attached on purchase order document in several
> occasion. The QC shall do inspection upon receipt of material. You still
> require A 6 on that time.At final inspection, the QC shall issue a
> "receiving inspection report" which the inspector has decided fulfill the
> requirement of qualification test and certificates, purchase order document,
> A 6 standard and whatever you said in PO.
>
> After issuance of " receiving inspection report', the the material delivered
> to fabrication stage. A standard of A6 is not required in here. You have to
> refer to API 650 during fabrication and installation of the tank.
>
> let this helps
>
> 2011/2/26 Abdul Wahab <awengin...@gmail.com>
>
>
>
> > Dear Sir,
>
> > Thank you very much for replying, but problem is that API 650 by itself
> > refering to mentioned standard like ASTM A 6M etc.
>
> > Please advice,
>
> > Abdul Wahab
>
> > On Sat, Feb 26, 2011 at 3:24 PM, Suresh <bobsures...@gmail.com> wrote:
>
> >> Hii Abdul ,
>
> >> You should follow API 650 for tank consrtuction , not ASME code .
>
> >> In my best of my knowledge , you need to refer to API 650 and follow
> >> tolarances which was mentioned in API 650 .
>
> >> Thank you
>
> >> Suresh
>
> >> On 2/26/11, Abdul Wahab <awengin...@gmail.com> wrote:
> >> > Dear All,
>
> >> > I am Abdul Wahab working in KSA as QA/QC Inspector, I have an issue
> >> > which is confusioning me. Below there is copy of Paragraph of API 650.
> >> > Plumbness, peaking, banding & flat spot discussed in this & tolerances
> >> > are provided but along with tolerance of API 650, also refering to
> >> > ASTM standards, those standards have tolerances aproximately a double
> >> > values as compared to API 650 Tolerances. Do we need to follow those
> >> > as ASTM is not a tank construction code but provide guidance about
> >> > matrial manufacturing,testing & handling etc.
>
> >> > We have Banding Value for 6 mm Plate of 13 mm max, can we consider a
> >> > dent as a banding problem in tank shell.
>
> >> > Please see below & advice.
>
> >> > 7.5.2 Plumbness
>
> >> > a. The maximum out-of-plumbness of the top of the shell relative to
> >> > the bottom of the shell shall not exceed 1/200 of the total
> >> > tank height. The out-of-plumbness in one shell course shall not exceed
> >> > the permissible variations for flatness and waviness as
> >> > specified in ASTM A 6M/A 6, ASTM A 20M/A 20, or ASTM A 480M/A 480,
> >> > whichever is applicable.
>
> >> > 7.5.4 Local Deviations
>
> >> > c. Flat spots measured in the vertical plane shall not exceed the
> >> > appropriate plate flatness and waviness requirements given in
> >> > 7.5.2.
>
> >> > If there is any confusion to understand, please ask.
>
> >> > Abdul Wahab
> >> > Mechanical Inspector
> >> > KSA
>
> >> > --
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>
> >> --
> >> Thanks & Best Regards,
>
> >> Suresh
>
> >> Mobile No: 91-92 92 905 905
>
> >> --
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> > The views expressed/exchnaged in this group are members personel views and
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>
> - Show quoted text -
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The views expressed/exchnaged in this group are members personel views and meant for educational purposes only, Users must take their own decisions w.r.t. applicable code/standard/contract documents.
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