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[TowerTalk] Crane lifting a Rohn 25G

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Subject: [TowerTalk] Crane lifting a Rohn 25G
From: (Scott Bullock)
Date: Mon, 08 Jun 1998 19:40:39 -0400
Don't even think of trying this! That is entirely too much tower that is
too small to try and lay over like this! It will buckle, and you will NOT
be able to hold the base section in one spot! Take it down piece by piece
using the crane-won't take long that way!

At 05:07 PM 6/8/98 -0600, you wrote:
>Fellow Towertalkians:
>Here is one for you engineer-types out there:
>I have been given a 70' Rohn 25g tower, standing on a city lot.
>Being in the construction biz, I have several friends in the crane
>business. I thought I would cash in a favor and have one of them stop by
>the site some day while in the area and make quick work of dismantling
>the tower.
>I figured I would have him latch on somewhere up near the top, remove
>the lowermost set of bolts joining the sections, disconnect the guys at
>the anchor points, and have him pick the whole tower an inch or two to
>get the lowest sections disconnected. Then, set it back down on the
>ground and slowly let out cable while swinging the boom sideways so as
>to keep the tip of the boom straight above the attachment point on the
>tower. Also, will keep someone hanging on to the base to keep it from
>kicking out.
>Is the tower rigid enough to keep from buckling in the center once I get
>it down around 45 degrees and under? Also, can anyone suggest the best
>way to attach a sling, etc. for hooking up the crane line?
>Any comments, suggestions, hints would be appreciated.
>Tom Hellem K0SN
>Porterfield, Wi.
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