[TowerTalk] Tower accident

[dj7ww at t-online.de]

I find it very useful

73
Peter

-----Original Message-----
From: TowerTalk [mailto:towertalk-bounces at contesting.com] On Behalf Of Wes
Sent: Samstag, 29. August 2020 17:05
To: towertalk at contesting.com
Subject: Re: [TowerTalk] Tower accident

Your link is useless.


On 8/28/2020 9:20 PM, Jim Idelson wrote:
> This tragic incident is one of two very serious amateur radio tower
mishaps
> that occurred in the last few weeks.
>
> Those of you who have seen our research into the history of serious tower
> incidents over the past 20 years (recently presented
> <https://youtu.be/uJO-L3td_p8> to the Western Washington DX Club) will
> recognize that the cause of this incident seems to fit the category of
> improper Personal Protection Equipment and/or climbing technique - one of
> the two primary root causes we've identified.
>
> A work positioning lanyard that runs from one belt-level D-ring around the
> tower and back to a second belt D-ring is NOT a safety device, as a
climber
> who loses his footing can fall a long way before coming to a stop. And,
> coming to a stop when attached at waist-level can cause serious injury.
>
> If you climb with a setup like this (just the belt and positioning
> lanyard), every time you unclip the positioning lanyard to change position
> ( a state called 'in transition' in the tower maintenance industry), you
> are exposing yourself to risk of a potentially long fall. The early
> descriptions of the AA9TJ incident suggest that the fall might have
occured
> while the climber was in transition or shortly after a transition.
>
> There is gear available to greatly reduce this particular category of
risk.
> In today's world, a common safety setup will include a full body harness,
a
> dual fall-arrest lanyard attached to the rear of the harness at neck
level,
> in addition to a work positioning lanyard. The key point to note is that
> the equipment doesn't save any lives unless it is used correctly. The
> technique is critical. Both legs of the dual fall-arrest must be securely
> attached above the climber before any changes are made in the location of
> the work positioning lanyard. When climbing, at least one leg of the dual
> fall-arrest lanyard must always be attached securely to the tower. This is
> not the only system that works, but it is pretty common and flexible for
> work on towers that are 12" to 18" on a side.
>
> Take the safety pledge at zerofalls.org. After you sign up, go look at
> the climbing
> gear <https://zerofalls.org/members-area/member-resources/climbing-gear/>
page.
> You'll find two OSHA-safe climbing setups. Contact me directly for more
> info.
>
> 73 Jim K1IR
>
> Note: I am not a professional tower climber. The information here is only
> presented as background, not as professional advice. Every situation has
> different circumstances. You should seek professional assistance as you
> decide what to do in your particular situation.
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>
>
>
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