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Re: [TowerTalk] Crane release from tower?

To: towertalk@contesting.com
Subject: Re: [TowerTalk] Crane release from tower?
From: vk3pa@vk3pa.com
Date: Mon, 30 Jul 2012 21:12:27 -0400
List-post: <towertalk@contesting.com">mailto:towertalk@contesting.com>
wot i do is pass a nother cable from the bottom of the tower section  
being lifted out the top for the hook to lift on when all is in  
position u only need to go to the 20 ft lrvel to un hook the lift  
cable u put in side ur tower section.. when doing a new tower from gnd  
up in my case 100ft towers i do not need to climb the tower at all  
just disconnect at gnd level..

Quoting John Harper <john@ae5x.com>:

> 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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