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New footing adjacent to existing (in London) - house extension
Hi, Thanks for the reply. If you were to underpin an existing foundation you would excavate below it in small widths before pouring the underpin. So I would have thought that the temporary case here, excavating a 500mm width to the face of the existing foundation, would be similar to a hit...- lamh
- Post #3
- Forum: Structural engineering general discussion
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New footing adjacent to existing (in London) - house extension
Hi! I'm building a single-storey ground extension as shown in the attached mark-up. Does anyone know if the proposed section is OK in terms of Building Regs? i.e; the trench foundation to 1m depth up against the existing foundation, presumed to be higher. The excavation to the existing...- lamh
- Thread
- Replies: 4
- Forum: Structural engineering general discussion
