When I replaced a TX-455 for a client that had gone over in the wind, with a
HDX 572, I sent a copy of the tower engineering specs to Hilti Products.
They came back with the specifications required.
The HDX-572 has 6 anchor 1" bolts, 27" long. They recommended 6, 1 1/8"
holes. 22 inches deep. Anchor bolts were 1" high strength threaded rod, 26"
I used their RE-500 epoxy. Using their special holder, fill the hole with
the epoxy, push the rod in, and let it set. Depending on the temperatue, sets
up within a few hours. Mount the T-base and tilt up the tower like a normal
installation. I used a concrete coring company to drill the holes.
I also recently did the same replacing a BX 56 foot tower with a HDX-555.
Same procedure. Works great.
_Communications Service Co_ (http://members.aol.com/kj6y/skip.html)
TowerTalk mailing list