Fire ventilation

84
Example of
securing during
work on ladder.
Lowering device Device with dead-mans grip.
Fall damper To brake a possible fall.
Connecting line Must not exceed 2 m in length.
Slings Ready sown with suffi cient length.
Spring safety Duralumin with safe locking, in certain
hooks cases screw locks.
Working at high altitudes
Safety measures must be taken when working in conditions
where there is a risk of falling. When working on a roof, or
from a ladder truck, in conjunction with fi re ventilation it
is most often advisable to be secured.
Securing during work from ladder or ladder trucks
Work is frequently carried out from both ladders and ladder
trucks. The simplest way of securing oneself during such
work at an altitude is to secure to the ladder or the ladder
truck (top of the ladder or in the basket), in which case only
a connecting line is used in addition to a belt or harness. The
shortest possible line should be used. The connecting line
can consist of synthetic rope, ribbon, wire or chain, and is an
integrated part of both the conventional fi re belt and the seat
harness in the Rescue Suit 90 used by the Swedish fi re and
rescue services. The connecting line to the fi re belt consists of
a chain with attendant spring safety hook. The applications
for both these items of equipment are rather limited for