Browse Forums Building A New House Re: Larger plumbing pipes in WA 6Jan 31, 2018 12:27 am 3in1 Supadiverta. Rainwater Harvesting Best Practice using syphonic drainage. Cleaner Neater Smarter Cheaper Supa Gutter Pumper. A low cost syphonic eaves gutter overflow solution. Re: Larger plumbing pipes in WA 8Feb 03, 2018 2:18 pm The maximum pressure within the home is mandated to not exceed 500 kPa. The hydraulic performance at the end fixtures is determined by hydraulic calculations that takes into account the maximum and minimum mains water supply pressures and the pipe sizing calculations 'shall' (note that AS/NZS 3500.1.3.2.3.2 states "shall" and not must) use the minimum pressure. Unfortunately, calculations for individual properties are often not done and home owners often end up with cookie cutter plumbing. 3in1 Supadiverta. Rainwater Harvesting Best Practice using syphonic drainage. Cleaner Neater Smarter Cheaper Supa Gutter Pumper. A low cost syphonic eaves gutter overflow solution. 4 5121 As most others have posted above the install isn't compliant. The pipe is meant to be covered in loose soil or sand, the pipe has holes in it that leaks out a termicide… 10 5730 Building Standards; Getting It Right! Thank you for the generous offer. I need to get the plumber out to give me an explanation. As mentioned I haven't seen any rain water discharge from pipes 1& 3. It… 7 10827 |