Browse Forums General Discussion 1 Aug 29, 2021 4:41 pm Edit: this is in Victoria. My roof needs to be replaced due to stormwater ponding. An elevation of my house looks like this. A``````````B ````````````````/\ ```````````````/``\ ``````````````/````\ `````````````/``````\ _______O``````| |`````````````````` | |```````````````````| |```````````````````| |```````````````````| The room between points A and B have a separate roof from the rest of the building. Currently, there is a slight fall from point B to point A. This is the roof I am trying to replace. The roofing contractor has suggested increasing the fall from point B to point A. The problem is that the high-side (point B) is hard up against the bottom of the gutter (the "O") of the main roof. As far as I understand, the contractor's proposal is to: 1. Remove the gutter ("O") of the main roof; 2. Install extra battens to raise the high-side of the flat roof; and 3. Install flashing between the flat and the main roof, to allow stormwater to drain from the main roof to the flat roof, then to a gutter at point A. I have perused Scheduled 3 of Building Regulations 2018, and it seems that the proposed works may not be exempt from a building permit because: 1. Installing extra battens increases the load on the building, thus adversely affecting the structural soundness of the building; 2. Increasing the fall of the flat roof also increases its height. Though the height of the entire building is not changed, because the maximum height occurs over the main roof, as shown in the schematic; and 3. It alters the roof support structure. So what do you think? Do I need a permit or not? Re: Building permit for roof alteration? 2Aug 30, 2021 8:02 am Have a look in building regulations for exempt building work, it will allow work you propose ( renew roof) provided you do not change structural supports ( which seems unnecessary). Adding battens on top does not change underlying structure, the extra weight of battens is inconsequential and the increased height due to slope also appears inconsequential. If you choose metal deck roof your slope can go down to 1 degree, 2 degrees for Trimdek Foremost Building Expert in Australia,assisting with building problems/disputes, building stage inspections,pre-contract review advice for peace of mind 200 blogs http://www.buildingexpert.net.au/blog Re: Building permit for roof alteration? 3Sep 10, 2021 12:11 pm hboGYT I have perused Scheduled 3 of Building Regulations 2018, and it seems that the proposed works may not be exempt from a building permit because: 1. Installing extra battens increases the load on the building, thus adversely affecting the structural soundness of the building; 2. Increasing the fall of the flat roof also increases its height. Though the height of the entire building is not changed, because the maximum height occurs over the main roof, as shown in the schematic; and 3. It alters the roof support structure. So what do you think? Do I need a permit or not? You will also require an engineers wind loading classification/certification Chances are the old structure is non compliant with the current codes and NCC and an alternate engineer solution may be required Check with your council Building dept Designer,Engineer (Civil,Const & Envir),Builder,Concrete & Masonry Contract.Struct Repairs No, not yet. It’s currently being assessed by our building surveyor 4 6311 Looking to start the journey of becoming an owner builder in SA. Feeling pretty (overly) confident on the building and construction details, but really struggling to find… 0 8366 You wont need a permit to put in non loading partition but you will need a licensed plumber and a licensed electrician 1 6630 |