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novicemike
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Posted 3 Years ago #1
Hi,

I have a 3 storey Victorian semi and am modernising the kitchen. Want to remove the chimney breast (on the party wall) from the ground floor only. Chimney breast exists on 1st floor, but chimney top has been removed previously.

RSJ would have a span of 3750mm from internal load-bearing wall (220mm thick approx) to rear external wall (also 220 approx).

I'm aware that I need Building regs application & party wall agreement, but want to get a plan together before i go there!

Am thinking 300mm RSJ, but I'm guessing.

Questions:

If the RSJ supports the front wall of the chimney breast, what supports the shorter side walls? Short RSJ's bolted to the long RSJ? Gallows Brackets??? Any suggestions?

Presume both RSJ ends need a concrete pad under them; how big does this need to be? Are the existing walls thick enough to support it?

Appreciate any advice you have.

Cheers,

Mike
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Jeffie
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Posted 3 Years ago #2
Although I don't have the faintest idea so am not able to help you with this unfortunately I just wanted to welcome you to this forum I really hope (and almost know for sure) you will get the information requested above from other posters soon. It's a pity that I don't have experience with chimney breasts

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