[TowerTalk] Crane release from tower?

[Richard Thorne]

I forgot to mention...

I had 40' up already.  My neighbor had a 42' fork lift on site which I 
borrowed for an hour and installed the first 40'.

The top 40' had the rotor installed, mast installed with the mounting 
plates for the yagis installed and guys attached prior to the lift.  The 
rigger was at the 40' level to position the top section and install the 
leg bolts.  Having everything preinstalled made everything very easy.

I might add the rigger was like a monkey.

Rich - N5ZC

On 7/30/2012 7:05 PM, Richard Thorne wrote:
> I put up an 80' tower recently and used a crane.  After we secured the
> guys the rigger went up the tower and detached the lift strap. We had
> the tower up, and antennas installed (C31XR and D240) in just over 4
> hours.  Some of the best $$'s I've spent in the hobby.  I ought to sell
> my gin pole because the 2nd tower will be put up by a crane as well.
>
> Rich - N5ZC
>
> On 7/30/2012 4:53 PM, John Harper wrote:
>> 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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