BIG MAC Posted March 26, 2007 Share Posted March 26, 2007 Is there a requirement to "Engineer" foundations for new domestic works?I am planning some two storey cavity block work and am looking to build on trench fill footings unless there is a requirement to go to steel reinforcement.I notice that the soil is a clay matrix however have not heard much of clay shrinkage subsidence in France.We will go down a nominal 1500mm from ground level on a fairly level site.Any comments / Ideas?As always greatly appreciated,Regards, Link to comment Share on other sites More sharing options...
powerdesal Posted March 26, 2007 Share Posted March 26, 2007 I am not a Civil Engineer but have been involved in a number of big projects and would say that, as double storey implies some considerable loading then, yes, the footings / foundations should have a professional civil design input. Link to comment Share on other sites More sharing options...
Anton Redman Posted March 26, 2007 Share Posted March 26, 2007 See what your neighbours are doing. Local ready mix supplier was supprised when I asked for glass fibre and retarder and was more supprised when I said I was self building rather than a local proffessional Link to comment Share on other sites More sharing options...
Chancer Posted March 26, 2007 Share Posted March 26, 2007 We have very stable chalk soil but none the less everyone around here uses steel reinforcing "semelles de fondations".I believe that it is required under the Normes but cannot confirm.I would like to meet this Norme one day! Everybody seems to have an opinion on him but never anything in writing (French people I mean). Link to comment Share on other sites More sharing options...
fulcrum Posted March 26, 2007 Share Posted March 26, 2007 A builder explained to me that there are insurance issues, in France, if you don't use steel reinforcing in the footings. Link to comment Share on other sites More sharing options...
BIG MAC Posted March 27, 2007 Author Share Posted March 27, 2007 AHA another misconception bites the dust!I notice that there seem to be a lot of ready made lightweight reinforcement "Cages" available, I wonder if this is what is used although push comes to shove I can make my own with re-bar and links but would likely fetch these from UK as I Havent got a scooby where to source them in France.Thanks one and all Link to comment Share on other sites More sharing options...
Chancer Posted March 28, 2007 Share Posted March 28, 2007 Brico-depot and all builders merchants sell semelles de fondation. Link to comment Share on other sites More sharing options...
BIG MAC Posted March 31, 2007 Author Share Posted March 31, 2007 Cheers JR Link to comment Share on other sites More sharing options...
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