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2. General safety regulations
2.1 Intended use
The fixed ladder is intended solely for the following applications:
• Fixed installation on buildings, machinery, silos etc. as a means of access to the
respective units
• Assembly and use in accordance with the applicable standards DIN 18799-1
(for Austria: ÖN Z 1600), DIN 14094-1 or EN ISO 14122 Part 4
• Use of all accessory parts in accordance with this manual
2.2 Improper use
Hazards may arise as a result of improper use. In particular, improper use includes
the following:
• Unauthorised structural modifications or incorrectly executed repairs
• Combination with components from other manufacturers in ladder and platform
systems
• Use of single parts or the overall system for purposes for which they were not
intended
• Use of parts other than those supplied or approved by Zarges
2.3 Safety equipment
The following safety equipment (fall protection devices) is approved for use:
• Fall arrester system
• Back guard
Manipulation of the safety equipment is prohibited. If defects are ascertained, the fixed
ladder system must not be used.
Observe the relevant standards, depending on the designated use of the fixed ladder
system.
2.3.1 Fixed ladders for construction work (DIN 18799-1)
A fall protection device in the form of a back guard or a fall arrester system in
accordance with EN 353-1 is mandatory from a fall height of  5 metres onwards.
If the fixed ladder is of multi-section design, the maximum permissible length of each
ladder section is 10 metres.
Self-closing by means of spring force lock
Load case
Load case set
LF
LFS