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rubble foundation

rubble foundation

rubble foundation

(OP)
Have a project where the architect wants to remodel facade of building with 4" blocks.  Problem is the foundation wall consists of 3 different materials... stone, brick and concrete block.  In addition the brick slopes at the base approximately 15 degrees.  Anybody have any suggestions?  Height of the block is approximately 9 feet.


Thanks

RE: rubble foundation

The existing is battered stone?  And he wants to replace the battered stone into battered brick instead?

RE: rubble foundation

(OP)
no, the stone is currently parged.  He wants to attach a lintel to support the block which will be the new facade over the existing.

RE: rubble foundation

use very long thru bolts with epoxy?  Be very conservative maybe with the # maybe?  Or create a new foundation (hopefully your frost depth isnt very deep) and rest the facade on the new foundation.

RE: rubble foundation

(OP)
Thought about the foundation but I would need approximately 4 feet deep and would need to remove existing sidewalk.  The wall would probably be encroaching within the city's right of way which again would be a problem. I was actually thinking about installing HSS columns along the inside face and extending HSS stubs through the wall and welding my angle; again pretty expensive.

RE: rubble foundation

When adding a new facade of a heavy material such as block, normal practice is to remove the existing facade first.  Only if you are using a lightweight facade material such as aluminium panels should you consider leaving the existing heavy facade in place.  And the architect should know better.

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