of rope below the rope grab for rope grab locking distance and fall
clearance.
Free Fall
IV. Use Warnings, Restrictions and Cautions
a. Adequate Anchorages
FALL
CLEARANCE:
sufficient clearance exists in your
fall path to prevent striking an
object during a fall. The clearance
required
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
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
Energy
Absorbing
Lanyard
Working Level
Ensure
is
dependent
conditions.
USER INSTRUCTIONS
Length of Anchorage Connector
6 ft.
Length of Lanyard
4 ft.
Deceleration Free Fall Distance
1 ft. Harness Stretch
5 ft.
To Worker's Back D-Ring
2 ft.
Safety Factor
upon
lifeline
length
10 ft
20 ft
30 ft
Lifeline
40 ft
50 ft
Total Fall
Distance
(Free Fall +
Deceleration)
Add Rope Stretch 10% of Rope Length
11 ft.
Total Estimated
Fall Distance
+ Rope Stretch
Stretch
1 ft
2 ft
SWING FALL HAZARD
3 ft
4 ft
5 ft
Page 9
18 ft.