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 Post subject: Burried Vessel
PostPosted: Tue Mar 16, 2010 11:28 am 
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Joined: Mon Aug 10, 2009 12:56 pm
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Can Anyone tell me about code's requirements of burried vessel?
Also please guide about Safety requirements (if any) imposed by NFPA 58.


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 Post subject: Re: Burried Vessel
PostPosted: Tue Mar 16, 2010 3:43 pm 
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Joined: Tue Dec 01, 2009 1:55 pm
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Location: DESCON Engineering Limited, Pakistan
Adeel,

Nonmandatory Appendix VII of ASME B31.1 gives PROCEDURES FOR THE DESIGN OF RESTRAINED UNDERGROUND PIPING, as far as I know.

Regards,

Nasir

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Nasir
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DESCON Engineering Limited.
Lahore, Pakistan.
Mobile # 0092-336-4145402


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 Post subject: Re: Burried Vessel
PostPosted: Wed Mar 17, 2010 8:40 am 
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Thanks Nasir,
But for Pressure Vessel design of buried vessel should External Pressure be considered?

Please expedite

Regards
Adeel


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 Post subject: Re: Burried Vessel
PostPosted: Wed Mar 17, 2010 2:44 pm 
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Adeel,

We experienced a buried vessel before, Our client engineering agency asked for consideration of External pressure due to weight of the sand over the vessel in addition to the external design pressure.

Regards,

A. Zaki


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 Post subject: Re: Burried Vessel
PostPosted: Wed Mar 17, 2010 3:56 pm 
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Joined: Tue Mar 21, 2006 11:11 am
Posts: 480
Location: England
I don't know any applicable rules, but as a mechanical engineer I would discourage from using external hydrostatic scheme, as earth does not act uniformly. You can't even say it's purely load controlled. I would be careful.

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Konrad Anikiel


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