Reliance Skyloc 4 Series Instructions For Use Manual page 10

RIGHT WRONG
Figure 5
If an object is in his swing path (or that of the cable) a hazardous
situation exists. Two factors become evident in this situation :
First, due to the swing fall, horizontal speed of the worker may be
high enough to cause injury if an obstacle in the swing fall path is
struck by either the user or the cable (web). The hazard increases as
the initial (before fall) length of extended cable is increased and as
the initial angle which the cable makes with the vertical is increased.
In the extreme case where a user has extended 90 ft (27.4m) of
cable at an angle of 30 degrees with the vertical, the user can
theoretically develop a horizontal speed of about 19mph (30.5km/h).
By comparison, if the user has extended 50 ft (15.2m) of cable at
an angle of 15 degrees with the vertical, the user may develop a
horizontal speed of about 7mph (11km/h). This situation is clearly
more tolerable but it may still be dangerous if hazards such as rigid
or sharp objects, electrical conductors, or powered equipment are in
the swing fall path.
The second factor that comes into effect in a swing fall is that the total
vertical fall distance of the user may be much greater than if the user
had fallen entirely vertically without a swing fall path. This hazard
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