Browse Forums Landscape & Garden Design Re: Sub surface irrigation 5Aug 07, 2011 11:15 pm In particular this from page 26. Water Corp and Irrigation Australia The essentials are: • Means to protect the system from root-intrusion as detailed above. • An approved, correctly designed, specified and installed RPZ (reduced pressure zone) backflow prevention device must be installed on these systems. This device must be installed by a specialist qualified to install these valves and must be tested annually by a qualified service contractor in compliance with the current Plumbing Code. Hi all I am looking to run a water line under my concrete footpath which is directly next to my home, was seeing if this is possible without cutting the entire section… 0 20164 Hi Brainstrust, I had a go at creating my own irrigation plan, keen to get some feedback. It will be run from one 750-800W pump, off 2* 5000L rain tanks. Each zone… 0 21908 It will be neat but you won't have much freeboard. At least they are not weep holes. Are you in a high intensity rainfall region? The regulatory slope is only required… 3 8245 |