In the world of work-at-height safety, a key point — though sometimes overlooked — is understanding which components of the fall-arrest system are properly paired with one another. This article addresses a question that we receive very frequently: Can the PAF150 anchorage point be combined with horizontal lifelines? The quick answer is yes, but not in any arbitrary way. Read on to find out why.
Elements that influence a lifeline system
On one hand, it should be noted that before installing a horizontal lifeline system, it is important to understand the elements that influence its behaviour in the event of a fall. The key parameters are as follows:
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- A: The length of the lifeline that the user wishes to install.
B: The maximum sag or vertical deflection in the event of a fall. Put another way, this is the deformation that the lifeline undergoes due to the impact of a fall.
C: The forces transmitted to the anchorage points when the fall is arrested.
Therefore, knowing these concepts, and after our experts have reviewed the matter, it can be stated that the PAF150 anchorage point and the LVH300-20+CONNECTORS lifeline, LVH321 and LVH320 are compatible, but only if they are installed in a specific manner — namely, in the loading direction D1 (see the image below):
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