Thanks - I am glad you see my predicament - the existing beam sits in the pad 100mm either side - I have been told this is not enough and should be 150 hence I have to replace the beam however once I take the old one out and replace it building compliance insist on seeing calculations confirming...
current beam(s) are 157mm high and 157mm wide by 3.3m long - only a 100mm support on each end and it was a surveyor who said as far as he was concerned they looked inadequate, building control wont help all they say is they need to see calculations before they will confirm anything.
Hi all
I need some help from someone who can assist with doing the appropriate calculations for the installation of an RSJ for a kitchen renovation in my house. basically there is an existing steel girder in at the moment quite low (about 1.9M from the floor) and I want to raise this to about...