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Product Specific Applications
Personal Fall Arrest:
Metal Energy Absorber may be used as a component in a Horizontal
Lifeline (HLL) system in Personal Fall Arrest (PFAS) applications. Maximum 2 users per Metal
Energy Absorber HLL system when working in Fall Arrest. Structure must withstand loads applied
in the directions permitted by the system of at least 5,000 lbs. per PFAS in system. Maximum free
fall is 6’, or up to 12’ if used in combination with equipment explicitly certified for such use.
Applicable D-ring: Dorsal.
Restraint:
Metal Energy Absorber may be used as a component in a HLL system in Restraint
applications. Restraint systems prevent workers from reaching the leading edge of a fall hazard.
Maximum 4 users per Metal Energy Absorber HLL system when working in Restraint. Always
account for fully deployed length of lanyard/SRL. Structure must withstand loads applied in the
directions permitted by the system of at least 1,000 lbs. No free fall is permitted. Restraint
systems may only be used on surfaces with slopes up to 4/12 (vertical/horizontal). Applicable
D-rings: Dorsal, Chest, Side, Shoulder.
!
WARNING
Use of equipment in unintended applications may result in serious
injury or death. Maximum 1 attachment per connection point.
For all applications: worker weight capacity range
(including all clothing, tools, and equipment) is 130-420 lbs.
Limitations
Fall Clearance:
There must be sufficient clearance below the anchorage connector to arrest a fall before the
user strikes the ground or an obstruction. When calculating fall clearance, account for a MINIMUM 3’ safety
factor, deceleration distance, user height, length of lanyard/SRL, harness stretch, lifeline deflection, and all
other applicable factors.
Diagram shown is an example fall clearance calculation ONLY.
TOTAL FALL CLEARANCE =
DEFLECTION
+
FREE FALL
+
DECELERATION
+
STRETCH
+
Safety MARGIN
+
Swing Fall
Work Surface
Anchor Point
Metal Energy Absorber HLL with 6” Sag
Deceleration Distance
Lifeline Deflection
Harness Stretch (1.5’)
Safety Margin (3’)
Free Fall Distance
Work Surface
Swing Fall (If Applicable)
DEFLECTION
What’s the length of your HLL span?
39.05”
SPAN =
DEFLECTION =
94.83”
10’
52.01”
20’
62.18”
30’
71.00”
40’
86.99”
60’
79.14”
50’
70’
102.89”
80’
111.35”
90’
120.38”
100’
Anchor Point
Clearance data determined based on HLL level with harness dorsal D-ring (from a standing working position).
Always account for additional free fall if HLL is below dorsal D-ring.
