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The last 5 posts

Saturday, April 2nd 2005, 12:07pm

by RidgeRun05

Here in Northern Michigan we install the lines to a standard depth of about 12" all around. With proper winterizing, this is sufficient. All the local contractors in this area install between 8-16".

Friday, April 1st 2005, 3:47am

by mburnickas

in the state of MA, so far all the contractors I know only do it the depth the machine installs the 1" PVC, 8 to 12" inches MAX.

Monday, February 21st 2005, 5:32am

by HooKooDooKu

If what you are calling "main lines" is the pipe that proceedes the valves (i.e. lines under constant pressure), from what I've been told, the uniform plumbing code requires PVC main lines to be at least 18" underground.

If what you are calling "main lines" is just the primary distribution line that comes AFTER the valves, then it's back to what your weather is like.


Wednesday, February 16th 2005, 4:25am

by Arizona Mirage

Do you get freezing there? If so your minimum should be at 24" to keep from freezing, weither you winterize the system or not.If you don't get freezing then 12 to 18 inches will be sufficient enough.I hope that this helps.

Tuesday, February 15th 2005, 8:17am

by ejzajac

Depth of lines?

Any guidelines for the depth of main lines (1 1/4" PVC) and lateral (1" poly) in northwest Iowa with very soft/sandy and hilly conditions?