Browse Forums Building A New House Re: Stormwater design 7Mar 24, 2020 6:42 pm I did not proceed with CH a few years ago as they refused to include OSD in the contact due to uncertainty. Another builder sourced two OSD designs for me which were both rejected by Council. I ended up sourcing designs and obtaining DA myself so that I can have more certainty about the building cost down the track. The process was a real pain in the neck and I ended up paying close to $10k just for survey, design and amendment, tree assessment etc. alone. The guidance from the Council was very helpful and after receiving agreement from two departments of Council. The Council Engineer required relocation of the discharge point towards the very end of the process. I feel it is just the nature of the beast, a beast that can consume a lot of energy and dollars. I heard OSD can cost from $20k-100k depending on design. Maybe you can take the plans to the Council to have a quick review if your council has engineers on duty who can provide general comment on the Counter? Plumbers 'can be' plumbers, made all the worse by self certification which the building surveyor invariably accepts as proof of compliance! The good thing is that you know know. 3 3243 Grab a hose, insert it at the top of the inlet/down pipe and turn the water on and see where the water is escaping from. Then you'll know. 3 6343 in the stormwater pit or the drain? Those dont look like theyd fit in the drain. Separately, the pits do get stuff in them during the course of the build. For the most… 1 4937 |