Browse Forums Landscape & Garden Design 1 Jun 28, 2009 5:48 pm The tap at the back of our house comes directly of he back of the house. We are planning to put a concrete path along the back of the house as well. We have a reticulated termite protection around the perimeter of the house. I would like to put a PVC pipe under the concrete path so I can later run a pipe from the tap to a watering system and also maybe some electrical conduit under the pat. My question is can I run this pvc pipe or will it make the termite protection useless? Is there any way to make this work? Re: watering system and termite protection. help please 2Jun 28, 2009 6:29 pm As long as you do not break the termite protection pipes you should be fine. The chemical seeps into the soil so if the come up close to where the chemical is they will still sense the chemical and disappear. Re: watering system and termite protection. help please 3Jun 29, 2009 12:55 am No reason why you can't do that. It is not going to connect to the termite pipe so don't worry. Just put a cap or cover the end with duct tape in the interim till you are ready to use it. I would suggest getting a brass tee and install another tap. Much better than those bunky tap splitters that are going to drop your water pressure. Now that will be your only hassle. Is that tap going to provide enough water pressure. normally irrigation is run from a point as close to the mains as possible. A plumber can then install an irrigation take-off from your house hold mains which will have a brass backflow/non return or check valve for about $150. Re: watering system and termite protection. help please 4Jun 29, 2009 6:25 pm Thanks, I was worried about the pipe providing a "bridge" for the termites to get to the house. What I might do is run a pipe from the front tap - where the water main is- down the side of the house to the back and then run lines for pop up sprinklers and drippers. This would be neater and allow for better water pressure. Eventually I want to automate the system front and back. Would it be okay to use 20mm poly pipe to run a line down the side of the house it would be about 25 metres? Re: watering system and termite protection. help please 5Jun 29, 2009 9:04 pm Most pop ups are very poor with water efficiency. Most of the water goes into the air rather than the soil. If you do use a pop up, then go with what is called an MP rotator. These are very efficient and send streams of rotating water out that doesn't mist. They also allow less popups to be used. Also drippers are not all that effective. Drip line would be easier and provide an actual even water pressure. Getting flow right on individual drippers is very very hard. By the time you get to the end, the water pressure where you started has changed and so has the output of the drippers, so then you do it all over and over and over Also plant roots don't form as well as with dripline/netafim. Re: watering system and termite protection. help please 6Jun 29, 2009 9:40 pm Thanks Fu, I did a search and found some of your posts about netafim which looks like a good option. I am a bit worried about putting it under a lawn and then later digging down and putting a hole in it, is it easy to repair? Re: watering system and termite protection. help please 7Jun 29, 2009 10:06 pm yeah it is easy to repair but with lawn you are best using MP rotators... Like ⋅ Add a comment ⋅ Pin to Ideaboard ⋅ Subsurface under lawn is best left to the pros. There are some special parts required and a heap of technical stuff. Will you have enough water pressure from that tap to run irrigation for lawn? You will also need to run any drippers or drip line on a separate station/ tap/valve what ever you choose. Drip line like Netafim is easy as in garden beds. It works a little different Re: watering system and termite protection. help please 8Jun 30, 2009 7:55 pm One more stupid question. How do I know if I have enough water pressure for watering lawn with pop ups? The house is on mains water so should be okay??? Re: watering system and termite protection. help please 9Jul 01, 2009 2:19 am well the further away from the mains, the worse your water pressure is. That is why they are always run from a point as close to the mains as possible. Eg the front tap at mine gets good water pressure, the back is pathetic in comparison. Run the tap and see how long it takes to fill a bucket up. Let me know. Getting water pressure is going to be hard but that will give an idea of the flow rate from that tap and how many full spray MP rotators you can use per station. 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