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Re: [TowerTalk] Crane release from tower?

To: "'John Harper'" <john@ae5x.com>, <towertalk@contesting.com>
Subject: Re: [TowerTalk] Crane release from tower?
From: "Keith Dutson" <kdutson@sbcglobal.net>
Date: Mon, 30 Jul 2012 17:42:02 -0500
List-post: <towertalk@contesting.com">mailto:towertalk@contesting.com>
You can climb, but only AFTER attaching guys.

If it were me, I would temp guy at 20 feet and climb up to install new 30
foot section above.  Then, while still attached to crane, I would climb to
permanent guy point (s) and attach guys.  Finally, climb to the top and
release tower from crane after slacking attachment strap.

73, Keith NM5G 

-----Original Message-----
From: towertalk-bounces@contesting.com
[mailto:towertalk-bounces@contesting.com] On Behalf Of John Harper
Sent: Monday, July 30, 2012 4:53 PM
To: towertalk@contesting.com
Subject: [TowerTalk] Crane release from tower?

Please pardon the dumb question...I'm on new turf:

In a couple weeks, a crane will be coming to raise 30 feet of Rohn 25 tower
(in one piece) onto the existing 20 feet already in the ground. How does the
crane normally release from the section to which it's attached? That point
will now be 50 feet high and I know taller towers are raised this way.

Is the tower attached to the crane by the hook, which falls away once there
is no longer a load on it or is there some other way (short of climbing up
there to untie)?

Tnx/73,

John AE5X
The tower in progress:
http://www.ae5x.com/blog/tower-installation/

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