That does sound safer, albeit slower. If I can't get a crane,
that's how I'll do it.
Thanks.
Tom
----- Original Message -----
From: Howard Dybedock <howard@keynet.net>
To: <towertalk@contesting.com>
Sent: Monday, April 12, 1999 12:04 AM
Subject: Re: [TowerTalk] How do you remove guys to walk a beam up Rohn 25?
>
>DANGER - ALERT!
>
>At 07:11 PM 4/11/99 -0400, Bill Fisher - W4AN wrote:
>>Here's how it was done...
>>
>>Raise antenna to just below set of guys. Boom is directly under one of
>>the guy attachment points. Next, he took a HIGH QUALITY come-a-long and
>>attached it under the boom to the tower. He attached the come-a-long to
>>the guy wire with a juma (something I had never seen before). He then
>>cranked on the come-a-long until there was slack at the normal guy
>>attachment point. He unhooked preform for the guy and raised the antenna
>>past this point by a foot. Then he reattached the guy wire and unhooked
>>the come-a-long. We did this 3 times to raise it to 105 feet.
>
>DO NOT EVER DO THIS! ! It's extremely dangerous!
>
>What occurs above is a transfer of the guy attachment load, through the
>come-along from one point on the tower to another WITH SOMEONE ON THE
>TOWER. If anything should slip, break, or malfunction, that person will be
>dead!
>
>The correct and safe way to accomplish the same thing is use an extra guy
>wire (must be longer than the top wire on the tower) and a couple preform
>grips, install the guy and preform a foot or so below the bottom guy and
>bring it into the tower base (loose). Then elevate the antenna to the
>loaded guy wire, stop and secure it between the loaded guy and the
>temporary guy, and get everyone OFF the tower. Extend the temporary wire
>to the anchor, attach it and bring it up to tension, and as it picks up
>the load, loosen the permanent guy, slack it off, and drop it. When the
>temporary guy is absolutely secure and the tower is plumb, then and only
>then, can someone go up the tower, slip the permanent guy under the
>antenna, and move the antenna on up to the next guy level where it is
>secured again. Then, get off the tower, pull the permanent guy back to
>the anchor, transfer the load back to the permanent guy, slack off the
>temporary guy and drop it so it can be moved up to the next level. You do
>this at each level until the antenna is in place.
>
>This way, if anything lets go while the load transfers are being made,
>everybody may be running for cover, but you won't have somebody riding the
>thing down! It'll take a bit longer, but is safe.
>
>73,
>Howard - AK9F
>Director of Engineering
>Midwest Aerial Structures, Inc.
>
>
>
>
>
>
>--
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>
--
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Problems: owner-towertalk@contesting.com
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