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Re: [thedesertnomad] Zion Accident - Heaps Canyon rappelling fall:
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majid_sabet
Jun 8, 2007, 5:07 PM
Views: 3620
Registered: Dec 13, 2002
Posts: 8390
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thedesertnomad wrote: As far as the "back up" safety that is shown. I have used (and seen this used) for all but the last person descending. Canyoneering quite often uses the "last man at risk" theory of making sure all but the last man gets redundancy that would typically make your system un-retrievable. The last man unclips the back up (which should be easy as it has hopefully not been weighted) and raps off of only the biner block. It is a fantastic system if used as pictured. It is PHYSICALLY IMPOSSIBLE for a larger object to pull through a small rapide (quick link).
I am not sure if this " last man at risk" means in this application but generally, in any group size activity, the most logical way to make sure that every arrives safely is to have the most experienced member to rap first to set up the next rap and keep the second most experienced member to be the last person to rap. This is to insure that all low and mixed level experienced people within the group are correctly attached and inspected before rapping. This is extremely critical when rigging is done at night near any moving water where person to person communication is near none.
Finally;
The last person to clean up should not be the least experienced member at any cost. A good team leader should discuss all the technical planning before they head up.
(This post was edited by majid_sabet on Jun 18, 2007, 5:35 PM)
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Edit Log:
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Post edited by majid_sabet
() on Jun 18, 2007, 5:35 PM
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