Open to comments and suggestions please..
Am planning a 4.5 x 3.0 M hobbies room. kits have been rejected and plan is to build from scratch
Floor plan is 95mm Deep x 45mm wide timbers, Tannalised. Three main 4500mm rails would be supported on 12 pads
That's 1300 between centres on the rails and 1500 span on cross rails - maybe I could over engineer and go for 16 pads..
I am looking at using cast in supports rather than trying to cast and level each pad preferred option ATM is a vertical 20 x 500 mm re-bar with L section 6mm steel welded on top and the whole lot galvanised
Other option maybe concrete decking posts but not sure about damp and also they would have to all be levelled in the holes before pouring concrete rather than levelling just the frame.