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Senior Member


Monday, April 12th 2004, 12:42pm

Sloped side yard install

My side yard is approximately 20 feet wide and 60 feet long. The problem is the yard drops off 8 feet from the front to the back due to a daylight basement. What is the best way to install heads in a location like this? I am worried about the heads spraying poorly uphill. How do I install sprinklers in this sort of yard?



Supreme Member


Tuesday, April 13th 2004, 6:49am

The books that show do-it-your-selfers to install sprinklers on a slope seem to always indicate that the sprinkler should be perpendicular to the slope and not installed strait up and down. The also indicate that you must allow for less throw up hill and more throw down hill, so you must install sprinklers closer to the uphill side.


Supreme Member


Tuesday, April 13th 2004, 4:07pm

Install a head in each corner, then a head every 20' along the 60' side for a total of 8 heads. The nozzles that throw uphill will need to be slightly larger than the downhill nozzles to account for the uphill throw. The uphill throwing heads may even need to be "tilted" back a little bit to make the uphill throw.

The most important part is setting your timer to cycle thru the zones several times during the watering of your lawn.

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