Dynamic Rope Knotted Lanyards

Equipment Specifications:

Dynamic Rope Knotted Lanyards

Primary functions

  • Work positioning lanyard
  • Device lanyard
  • Limited shock absorption

Primary Features

  • Dynamic rope lanyard with knotted terminations

Standards and certifications

  • CE EN 892 requires that lanyard hold a minimum of 5 factor 1.77 falls with 80kg mass and:
  • Limit impact force: less than or equal to 12kN
  • Limit static elongation: less than or equal to 10 %
  • Dynamic elongation: less than or equal to 40 %

Proper handling and use

General

  • Attach the lanyard to the ventral or sternal D ring using a knot, such as the overhand, figure 8
  • Use a knot such as the overhand, figure 8, or barrel knot with a locking carabiner on the other end of the lanyard.
  • Limit length to keep device within reach at full extension, maximum 1m.
  • Limit falls to less than 0.5m in length, with a fall factor of less than 0.5.
  • Limit slack in the lanyard as much as possible.
  • Avoid areas where there is a fall risk.
  • Avoid contact with sharp edges and high temperatures.
  • Be aware that nylon is weaker and less abrasion resistant when wet.

Pre-use inspection

  • Remove all knots.
  • Visually check the condition of the sheath for the full length of the rope.
  • Make sure there are no cuts, burns, frayed strands, fuzzy areas or signs of chemicals.
  • Be particularly careful to check for soft spots.

Misuse and discrepancies

Major Discrepancy (Fail)

  • FF2
  • Used for fall arrest

Minor Discrepancy (Discrepancy)

  • Greater than FF1
  • Excessive length
  • Knot improperly dressed and cinched, or excessive gain
  • Tail less than 2” or longer than 12” without stopper

 

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