[EricH]

Originally Posted by eagle33199

Add all those together, and you get 6 1/2' from the floor to the very top of the pipe that supports the ball. I would allow for some slight variation in your design, however - maybe give or take an inch.

Official word (in Section 6) is the variation (caused by different setup crews) is up to 1/4". They design the fields to go together the same way every time, so I'd take their word for it.