As I wrote in previous mail, due to fabrication and erection mistake, the gap between first course of shell plate and bottom plate is upto 10 mm at some places. In case there is no reference in API 650(Applicable code), what would be the corrective action. Any advise.
From: SAUL VASQUEZ T. <svasquez@ingetanques.com>
Subject: [MW:1884] RE: 1878] Fillet welding of shell to bottom joint of API 650 Tanks
To: materials-welding@googlegroups.com
Date: Monday, April 6, 2009, 6:42 PM
The gap is not relevant to this joint we work without gap and maximum gap 2-3 mm. where you can not close.
5.1.5.7 Shell-to-Bottom Fillet Welds
a. For bottom and annular plates with a nominal thickness 13 mm (1/2 in.), and less, the attachment between the bottom edge of
the lowest course shell plate and the bottom plate shall be a continuous fillet weld laid on each side of the shell plate. The size of
each weld shall not be more than 13 mm (1/2 in.) and shall not be less than the nominal thickness of the thinner of the two plates
joined (that is, the shell plate or the bottom plate immediately under the shell) or less than the following values:
De: materials-welding@googlegroups.com [mailto:materials-welding@googlegroups.com] En nombre de hamza ahmed
Enviado el: sábado, 04 de abril de 2009 05:54 a.m.
Para: materials-welding@googlegroups.com
Asunto: [MW:1878] Fillet welding of shell to bottom joint of API 650 Tanks
Can anybody describe the maximum gap allowed between shell to bottom joint of API 650 tank. It is a ' T ' joint requiring fillet weld. Bottom plate thickness is 10 mm and shell plate thickness is 12 mm. Also please descirbe the relevant API 650 or ASME IX paragraph. |
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