Werner UPGEAR L242 Series, User Instructions

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Page 9
ENGLISH
of rope below the rope grab for rope grab locking distance and fall
clearance.
IV. Use Warnings, Restrictions and Cautions
a. Adequate Anchorages
FALL CLEARANCE: Ensure
sufficient clearance exists in your
fall path to prevent striking an
object during a fall. The clearance
required is dependent upon
the subsystem (rope grab and
lanyard, rope grab and carabiner)
and lifeline properties. The chart
to the right shows the approximate
elongation for new Werner Co.
lifelines in dry conditions. The
elongation specified is for an
applied static load of 1,800 lbs.
Wet ropes generally have more
elongation than dry ropes. Allow
for additional elongation in wet
or humid conditions. Lifeline
elongation must be considered
when estimating fall clearance.
SHARP EDGES: Avoid working where your lifeline, lifeline
subsystem, or other system components will be in contact with,
ROPE LIFELINE SYSTEM
USER INSTRUCTIONS
SWING FALL HAZARD
Working Level
Lower Level or Obstruction
Self Retracting
Lifeline
Bottom of Retractable Lifeline
2 ft.
Maximum Free Fall
Maximum Arrest
Distance (per ANSI)
4.5 ft.
2.5 ft.
Maximum Deceleration
2 ft.
Safety Factor
1 ft. Harness Stretch
5 ft.
To Worker’s Back D-Ring
Total Estimated
Fall Distance
12.5 ft.
Total Fall
Distance
(Free Fall +
Deceleration)
Add Rope Stretch 10% of Rope Length
Free Fall
Working Level
Lower Level or Obstruction
Energy
Absorbing
Lanyard
Length of Anchorage Connector
6 ft.
Length of Lanyard
11 ft.
4 ft.
Deceleration Free Fall Distance
2 ft.
Safety Factor
1 ft.
Harness Stretch
5 ft.
To Worker’s Back D-Ring
Total Estimated
Fall Distance
+ Rope Stretch
18 ft.
Total Fall
Distance
(Free Fall +
Deceleration)
Add Rope Stretch 10% of Rope Length
Length of Anchorage Connector
6 ft.
Length of Lanyard
11 ft.
4 ft.
Deceleration Free Fall Distance
2 ft.
Safety Factor
1 ft.
Harness Stretch
5 ft.
To Worker’s Back D-Ring
Total Estimated
Fall Distance
18 ft.
SWING FALL
HAZARD
Anchorages
Correct
Incorrect
lifeline
length
Stretch
10 ft 1 ft
20 ft 2 ft
30 ft 3 ft
40 ft 4 ft
50 ft 5 ft