Browse Forums Eco Living Re: yet another rain water setup questions 3Apr 20, 2015 12:16 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: yet another rain water setup questions 6May 18, 2015 11:34 pm The Harder You Try - the Luckier You Get ! Web site http://www.anewhouse.com.au Informative, Amusing, and Opinionated Blog - Over 600 posts on all aspects of building a new house. Re: yet another rain water setup questions 10May 19, 2015 10:35 pm The Harder You Try - the Luckier You Get ! Web site http://www.anewhouse.com.au Informative, Amusing, and Opinionated Blog - Over 600 posts on all aspects of building a new house. Re: yet another rain water setup questions 11May 26, 2015 3:16 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: yet another rain water setup questions 15Jun 05, 2015 2:48 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: yet another rain water setup questions 17Jun 05, 2015 11:31 pm 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: yet another rain water setup questions 18Jun 06, 2015 10:56 am SaveH2O Friction loss: Friction loss is greater at higher flow rates than lower flow rates. 40 mm hose will naturally have less friction loss than a 32 mm hose but a 40 mm hose can move a lot of water and the question then becomes, will it ever be required to? Cisterns, the shower, washing machine and most taps are low flow fixtures whereas the bath, laundry tub and outside taps are higher flow. There are friction loss tables online that show the friction loss per metre for different diameter pipes at different flow rates. Accessing these charts lets you compare the friction loss savings at different flow rates when upsizing pipe sizes. i just thought bigger was better. and if it doesnt cost too much then i will upgrade to it. id like to be able to have 2 showers running at the same time with the washing machine or tap or toilet flush (irregular occurrence but would be nice if it could do that without too much pressure drop.) as currently i cant shower and flush the toilet or shower and washing machine or shower and tap without it being quite noticeable in the shower. ok so the pumps pressure of 1mpa the length of run (about 40m) 3m head from pump to base of house (i guess it should be 3m head at thats where most taps will be at) do i have to work out my flowrate/velocity? then one that is worked out i get a head loss in M but what does that actually mean? ok so looking at this chart http://www.polypipe.com.au/images/Flow% ... 2075mm.pdf also assuming i just use that supplied pump for now how do i read these charts? Quote: High balance lines: These usually interconnect between the overflow outlets. The lower plain wall section on poly tanks are usually molded with thicker plastic to prevent flex. A couple of other things that you may have already read in other threads. Rainwater is naturally acidic, particularly during thunderstorms. You can neutralise the pH balance by putting crushed limestone chips into a meshed nylon bag or similar and putting it into the tank that the pump draws from. This is particularly advisable if you have copper pipes. Tethering a small buoy to the bag will allow you to retrieve the bag to top it up or further break up the chips already in it. Limestone chips often form a protective coating when submerged for a period of time. Placing an oversized piece of shadecloth over the tank's top meshed inlet makes cleaning the mesh a lot easier plus it prevents sunlight from entering the tank. yes have read them thanks, more great ideas Re: yet another rain water setup questions 19Jun 09, 2015 7:07 pm unrelated to the rest of the setup. if i was going to gravity feed from a tank 2m higher than the bore tank is this enough head? and would 40mm rural poly be sufficient? or should i use 50mm its about a 70m run basically the bottom of the tank will be level with the inlet (top) of the other tank Re: yet another rain water setup questions 20Jun 09, 2015 9:53 pm Just run some figures through the flow rate calculator that i linked. Something to remember: It requires 4 times the head to double the flow rate but doubling a pipe's internal diameter increases the volume x 4. If you double the internal diameter and have the same head, you increase the flow rate by about x 6. I should get back to answering your previous post hopefully tomorrow night, sorry for the delay but I am behind with an urgent project and working every available minute. 3in1 Supadiverta. Rainwater Harvesting Best Practice using syphonic drainage. Cleaner Neater Smarter Cheaper Supa Gutter Pumper. A low cost syphonic eaves gutter overflow solution. Can a plumber put a tap on a rain water tank which is full? Tank is similar to one in photo. Cheers. 0 1935 Hi, does anyone have any experience with using Trex rain escape or EPDM rubber to waterproof a deck so you have dry space underneath. Popular in the US and realize that… 0 3682 |