The ground does slope steeply downhill from the house to a flat area below the deck. The water will be sprayed on the lawn in front of the patio below the deck. The lawn ends at a 4' rock wall that runs the entire length of the deck. <blockquote id="quote"><font size="1" face="Verdana, Arial, Helvetica" id="quote">quote:<hr height="1" noshade id="quote"><i>Originally posted by Wet_Boots</i>
<br />I have seen a few sites that might have made use of this concept. The ground sloped steeply downhill from the house, and was so rocky the machine installation of pipe was a no-go. The ground cover could have been watered by sprinkler heads spraying away from house and deck. For duty high above the ground, the best sprinkler head choice is the humble impact head, because all the moving parts will splash water about which will drop down to water the ground near the head.
With only 11 feet of throw needed (instead of the 50 feet an impact head could manage) this becomes a non-issue, and you would want to use mist heads in the lower lawn (is it lawn?)
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