Browse Forums Building Standards; Getting It Right! Hi All, I engaged a tradie to install concrete retaining wall 600-800mm high over 32 meters in Victoria. Sleepers are 200*75*2000 mm installed over 17 steel posts. I… 0 6917 Building Standards; Getting It Right! Don't think they are designed for double brick. WA has a particular way of building and unfortunately that's the way a large amount of sills are finished. 3 7011 Versaloc is a mortarless besser block system that still needs a properly engineered footing. If you just do a 400x200 footing it will fail in time. At 17m long you need it… 1 18045 |