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Requirement of Top Wind Girder

Requirement of Top Wind Girder

Requirement of Top Wind Girder

(OP)
Can anybody tell, when there will be requirement of Top Wind Girder in API 650 storage tank design?

RE: Requirement of Top Wind Girder

See 5.9.1
Open top tanks need top wind girders. Tanks with fixed roofs do not need top wind girders.

RE: Requirement of Top Wind Girder

The effect of wind during erection progress should be considered.
Regards
r6155

RE: Requirement of Top Wind Girder

Vishalvp09:
Irrespective of exactly what the code says you must do, or tells you what to do; why don’t you tell us what a ‘Top Wind Girder’ is, why it’s needed, preferred shapes, and generally how they work? Then we can help fill in some of the details.

RE: Requirement of Top Wind Girder

To exactly answer your question, read 5.9.1 of API 650. So if you are designing an Open roof or floating roof tank per App. C, you need Wind Girder, this API 650 says, which means the committee feels there is a necessity to maintain the roundness under wind conditions. Beyond this if you may check if required, but it may not require as the cone or dome or any roof and /or structure you use will provide the necessary stiffening which can be provided by adding a Top wind girder.

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