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Re: HRSG flue stacks

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Good morning,
The governing code for steel stacks is ASME STS-1-1992,
Steel stacks code, available from ASME (212)705-7004.
There is also a March 1997 draft that has being in the making
for some time now, any revisions are also available from ASME.
Best regards,
Andy Costello


At 10:11 PM 9/2/99 -0400, you wrote:
>I am involved in the retrofit of an existing industrial building.  The 
>retrofit consists of the installation of a HRSG( heat recovery steam 
>generator) unit with accompanying flue stacks.  The architect has asked me 
>the following question " What specification governs the design, 
>structurally, of the HRSG flue stacks above the existing roof.  The flue 
>stacks will be cantilevered a distance of 20' above the existing roof.  Is 
>there any ASTM standard or code for these unique structures?
>Thanks in advance
>Jon Turner