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Figure 5.1.12.3 Integration of the safety rope system (fall protection) in the air-termination system
Incorrect installation
Figure 5.1.12.2 shows a negative example which unfortu-
nately can often be found in practice today. This safety rope
system was positioned above the lightning protection system.
It is also questionable whether the conventional connecting
clamp for contacting the safety rope system used in this ex-
ample is capable of carrying lightning currents. The cable used
to connect the safety rope system and the meshed network
is very short. If a person falls from the roof, the safety rope
system can be lowered up to 1 m to compensate the fall. The
too short connecting cable shown in Figure 5.1.12.2 would
Figure 5.1.12.4 Flat-roofed structure – Detailed view
approx. 1.5 m
Safety rope system (stainless steel)
washer Intermediate support / support point
Connection set, safety rope system with
Terminal lug, connection of the safety rope system and
Clamping frame, connection to the air-termination system
tightening torque tightening torque
1 x M10, 20 Nm 2 x M6, 5 Nm Roof conductor holder
Figure 5.1.12.5 Installation example: Connecting set for safety rope systems
94 LIGHTNING PROTECTION GUIDE www.dehn-international.com
