Use and Care Manual

Always calculate your fall distance before selecting your fall protection equipment
Choosing the Right Components
5
Calculating Fall Height
Fall
Distance
for Shock
Absorbing
Lanyard
Fall
Protection
Distance
for Class B
Self-Retracting
Lifeline
Fall
Distance
for Class A
Self-Retracting
Lifeline
Working Level
Lower Level or Obstruction
Self Retracting
Lifeline
Bottom of Retractable Lifeline
0.6 m (2 ft.)
Maximum Free Fall
Maximum Arrest
Distance (per ANSI)
1.35 m (4.5 ft.)
0.75 m (2.5 ft.)
Maximum Deceleration
0.6 m (2 ft.)
Safety Factor
0.3 m (1 ft.) Harness Stretch
1.5 m (5 ft.)
To Worker’s Back D-Ring
Total Estimated
Fall Distance
3.75 m (12.5 ft.)
Total Fall
Distance
(Free Fall +
Deceleration)
Free Fall
Working Level
Lower Level or Obstruction
Energy
Absorbing
Lanyard
Length of Anchorage Connector
1.8 m (6 ft.)
Length of Lanyard
3.4 m (11 ft.)
1.2 m (4 ft.)
Deceleration Free Fall Distance
0.6 m (2 ft.)
Safety Factor
0.3 m (1 ft.) Harness Stretch
1.5 m (5 ft.)
To Worker’s Back D-Ring
Total Estimated
Fall Distance
5.5 m (18 ft.)
Working Level
Lower Level or Obstruction
Self Retracting
Lifeline
Maximum Arrest Distance
(per ANSI Z359.14)
2 ft. (0.6 m)
Safety Factor
2 ft. (0.6 m)
1 ft. (0.31 m) Harness Stretch
To Worker’s Back D-Ring
5 ft. (1.5 m)
Total Estimated
Distance
10 ft .
(3.0 m)
Estimated Clearance
Required
5 ft .
(1.5 m)