I used pavers to fill in a hole where a shed stood. Turned out good.Yep. The 90 degree elbows use a little over 1 foot to do their turn. Should be easy to pull cable through in the future.
Now I'm worried about getting a good concrete contractor for the patio and walkway. I read the Yelp reviews and there are good and bad stories about all of them -- don't know who to believe. My wife wants a very fancy patio with raised planter boxes and possibly a gas fire pit, but I am more inclined to keep it simple. I know from experience that if we get anything that requires a building permit (like a fire pit), it will trigger a reassessment of the value of our house for property tax purposes. From what I've read, a plain patio and walkway don't need a permit as long as its not raised above the ground more than a foot or two.