Browse Forums Owner Builder Forum Re: Installing the sub-floor plumbing, heating and insulation 2Jun 21, 2009 9:29 am stay safe happy building Re: Installing the sub-floor plumbing, heating and insulation 15Jun 26, 2009 8:27 am James Bond chuth77 James Bond All Bluescope Lysaght steel frames are 90mm, and this would account for the majority of the industry I reckon. 70, 75 and 90 actually for Lysaght steel frames... And the 75mm is the one that most Steel Frame Kit suppliers will use, and it's actually 78mm in depth... Just something to keep in mind for those doing an owner build... Gee... I'll have to check my frame now! JB measured it this morning and it is 90mm - you had me worried for a moment! JB Building Standards; Getting It Right! 1. optional, you can but normally just use the earth from the main switch board 2. should be enough but the distance determines voltage drop - sparky should work it… 1 28812 If there have been changes, variations, during construction then the drawings should be revised, the building permit amended and the current, as built drawings given to… 2 4480 1 10128 |