Dismantling Floating Roof for a Storage Tank

[EngrK]

Hi all,
Please, what are the critical contents required in a method statement for dismantling floating roof for a storage tank?

Thanks

 

[MiketheEngineer]

They are usually pretty light - in the 3-7 psf range - check this out.

Biggest problem is they truly do float - so dismantling can be tricky. We usually put light weight shoring (think scaffolding) under the whole thing and then dismantle.

 

[JedClampett]

Make sure that the instructions require demolition, removal and disposal.
Otherwise, you might end up with a pile of contaminated metal in you parking lot.

 

[MiketheEngineer]

And BTW - do it symmetrically - so loads don't become too unbalanced.

 

[msquared48]

Drain the tank first...

Mike McCann
MMC Engineering

http://mmcengineering.tripod.com

 

[EngrK]

Thanks for the comments.
When cranes are used to lift cut sections, are there special consideration? e.g would it be necessary to have a lifting plan and run any calculation based on the load chart for the crane

 

[MiketheEngineer]

Once you have determined the weights of the sections - YES - make sure the crane is capable.

And do it in smaller sections and symmetrically!!