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Pipe Layout

Posted by tsingh none (My Page) on
Thu, Apr 11, 13 at 12:52

Here is how my leaking irrigation system is laid out. I am trying to cap it off before the leak, but not sure if by doing so, I might be shutting off heads that I actually want to continue working, since I don't know how the pipe is laid out. What's the best way to find out?

In the diagram below. All sprinkler in Lawn1 work just fine.

Lawn 2 is station 2 and heads H1 - H5 are in that station.

What I notice is that H3 - H5 work but low on pressure so that the sprinkler never really pops out all the way only partially.

H1 does not pop out at all, but spits water. H2 which is next to the tree does not pop out at all. After the sprinkler runs for a while, there is a puddle of water between H1 and H2.

My suspicion is that there is a leak between H1 and H2, perhaps caused by the tree and I would like to shut off the pipe going to H2. However, I am not sure if that will also shut off water to H3 - H5.

Any thoughts?

<----------Sidewalk ------------->

---------------------Lawn1------ ---------Lawn 2-------H3


...................................................................... ...................H5

This post was edited by tsingh on Thu, Apr 11, 13 at 12:53

Follow-Up Postings:

RE: Pipe Layout


Can really make out what you mean by your diagram.
Several tings to do but it take digging up heads. The other method is to follow the lines from the valves by digging inspection hole to follow the way the pipe go. Or use a piece of rebar that you place in the ground and listen with a stethoscope at the end of the rebar for sounds of water running through the pipe. Can you actually tell where the pipe is leaking (wet areas, etc)? Go ahead and cap of one head at a time and see what is affected by doing so. Also if you dig up a head to plug it off, you can see in which direction the heads lateral lines are headed. Let us know what happens. JMHO Aloha

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