Orangery built on a raft foundation. The latest job has been interesting to say the least!!It is an orangery built on a raft foundation. There’s also a retaining wall to knock down and rebuild 1.5m further back, reusing the original bricks.The raft foundation had to be designed by a structural engineer due to the housing estate being built in the close proximity of an old colliery. The footings were excavated to the usual depth of 1m, but were specified to be 1450mm wide instead of the usu...