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corgone

Unregistered

1

Wednesday, March 8th 2017, 11:54am

Running a main line under the driveway

In order to put multiple valves in the front of the house, I needed to run a 1.25 main from the back to the front going under the driveway. I started about 12-18" below ground on one side, but the pipe dropped and came out about 4' below ground on the other. Not what I was expecting.

Is there any problem re-routing that back to 12"-18" below the surface with a couple elbows?

The overall yard is flat. I'm working with 50PSI design pressure and 20gpm coming off a well.

Thks
Chris

Wet_Boots

Supreme Member

Posts: 5,147

Location: Metro NYC

2

Wednesday, March 8th 2017, 4:10pm

You might want to figure out a way to add a drain to the low point, if you are in a freezing climate. (hopefully you aren't)

corgone

Unregistered

3

Wednesday, March 8th 2017, 5:35pm

Re: Running a main line under the driveway

Cold not an issue - Florida..... just curious if there would be any PSI issues, backflow, etc.... Mostly it's an irritant to me because I know it.

Thks

Wet_Boots

Supreme Member

Posts: 5,147

Location: Metro NYC

4

Friday, March 10th 2017, 12:00pm

No issues over the extra pipe and fittings involved. The thing to remember here is that all fittings translate to a length of pipe a few feet long, when it comes to calculations of pressure losses.

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