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Step 12Guy Anchors
I decided to use three guy anchors, one for each corner of the tower. These anchors should be evenly spaced and as close to equidistant from the tower as you can get. I chose a 22 foot guy radius, meaning the distance from the center of the base to the guy anchor hook was 22 feet. This figure was based off of some other towers I had read about as well as the suggestion of the wind turbine installer.
It's a good idea to get a friend to help you put in the anchors, since pouring concrete by yourself isn't much fun. The anchors we used were 4 foot long screw anchors (but we didn't actually screw them in). The backhoe dug the holes and then we put in the anchors with concrete. I screwed the anchors in slightly to keep them in place while we poured the concrete. I used four 80lb bags of quickcrete in each hole. This was simply an estimation; I know very little about concrete and felt this was plenty (and I am pretty sure it was). I let the quickcrete dry and then backfilled the holes. It is a good idea to let the concrete settle for at least a day before backfilling the holes.
It's a good idea to get a friend to help you put in the anchors, since pouring concrete by yourself isn't much fun. The anchors we used were 4 foot long screw anchors (but we didn't actually screw them in). The backhoe dug the holes and then we put in the anchors with concrete. I screwed the anchors in slightly to keep them in place while we poured the concrete. I used four 80lb bags of quickcrete in each hole. This was simply an estimation; I know very little about concrete and felt this was plenty (and I am pretty sure it was). I let the quickcrete dry and then backfilled the holes. It is a good idea to let the concrete settle for at least a day before backfilling the holes.
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