lintel in foundations over drainage
Sewer pipes to go though foundations, protected by concrete lintel.
What depth in the foundations does the lintel go - replacing first row of bricks / embedded in trench, or what ? Also, how is the size of the lintel calculated. Thanks, Simon. |
lintel in foundations over drainage
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lintel in foundations over drainage
The drains shouldn't go through the concrete foundations (actually,
they can, but you'd need rocker sections either side). They should go through the wall. If the drain is low relative to the foundation then you should step the foundation below the drain. The steps should be at least twice as long as the thickness of the concrete. The lintels are bog-standard 150x100mm precast concrete lintels - no calcs needed. Thanks for that. This is in an area where the foundations must be 2 metres due to near public sewer that has 2m invert. I think the pipe will be over 1 metre down. That would be a lot of brickwork over the top. Wouldn't you have the foundations up either side of the pipe and a lintel across concrete the concrete "walls" either side ? Otherwise, the lintel would be supported on the underground blockwork, which would be hard to construct one metre down. Also, what is a "rocker section" ? Lots of questions I know. Thanks, Simon. |
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