[TowerTalk] Need bolt hole pattern for Rohn BPH-25G

[John Hensley]

The Rohn hinged baseplate for Rohn 25G is item number BPH-25G.

 

It is held onto the base by four 1/2" x 12" J-bolts but none of the 

drawings spell out the bolt pattern layout dimension.  Since the base

plate is 15" square, I am guessing the holes are on 1" x 1" centers 

or 13" from hole to hole.  Is this correct?

 

My thought is to take a plywood square, drill the pattern, mount the

J-bolts and then when the concrete is ready, wiggle the plywood jig

in place and level it.  When it dries I remove the plywood and the

base is ready to go in.  Should work unless I have the bolt spacing

wrong.  Does anyone know?

 

John
 		 	   		  
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