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â ïž SCAM ALERT: customers have reported receiving accounts emails from Spelean and/or Petzl. Please be aware that only our accounts team sends emails regarding invoices and statements and they will come from our normal Spelean accounts email only. We do NOT use thrid party providers. â
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NEW Petzl NAOÂź RL
August 22, 2022

The risk of falling is a key concept to master when working at height. In this context, calculating the clearance for each specific work situation is vital to worksite safety. See below for the criteria required to calculate the clearance, and how to optimise it.
Clearance is the minimum amount of clear space below the user that prevents the user from hitting an obstacle in case of a fall.
This minimum amount of clear space takes into account the length of the system, the tearing of the energy absorber, an average distance between the harness attachment point and the worker's feet (1.5 m) and a safety margin required by the standard (1 m).
The clearance value varies depending on the work situation. The operatorâs position relative to the anchor, the length of the system and the operatorâs weight are the main factors in its determination.
 
Use This Tool to calculate clearance and get more information
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A3 Print Ready PosterÂ
A3 Printer Ready Poster
A3 Print Ready Poster