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Constant
Force and Product Features
Latchways plc is the world leader in the design and
manufacture of cable based fall arrest systems offering
continuous protection to individuals working at height.
Our ManSafe® products are made using the highest quality
components and meet or exceed all appropriate national,
European and international standards and legislation. They are
distributed and installed in many countries around the world
including the USA, Canada, Australia and throughout Europe.
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ManSafe
for roofing
Roofing systems are continuously developing to give architects
the opportunity to design ever more demanding building
envelopes which must adhere to strict health, safety,
environmental and legislative guidelines.
Latchways is the only company that focuses solely on the
development of fall arrest system design and have built a global
reputation for providing innovative solutions for the most testing
engineering and architectural challenges.
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The
science of Constant Force™
The definition of Constant Force is “The mechanism used
to
provide a consistent method of absorbing mechanical energy
and controlling tension within the system to a pre-determined
Constant Force”.
The application of this principle to fall arrest has created a
revolution in system design. The graph below summarises this by
showing the increased load absorption capacity of the
Constant Force post in comparison to a traditional rigid
anchor post.
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Safety
regulations
The Construction, Design and Management regulations
came into force in March 1995 to offer further protection to
worker safety. This was reinforced when the Construction
Safety and Welfare Regulations 1996 Statutory No 1592
Regulation 6 was introduced. It was incorporated into the
HSE code of practice, which states, "it is the responsibility
of the employer to ensure that any employee required to
work at a height of 2m or more must be suitably protected
from any potential fall hazards. In the event of a fall the
equipment used must be of sufficient strength to arrest
a workers fall."
This stimulated the demand for certified
Fall Arrest Systems, which meet all the necessary safety
standards. Latchways systems comply with:
– European Council
Directive 89/686/EEC
– European Standard EN795
–
South African Standard SABS795
– Australian Standard 1891.2
– OSHA (USA) Standard 1926.502
All Latchways systems are CE marked and hold EC Declarations of
Conformity. Latchways is also an ISO 9002 company.
Load control
Latchways’ reputation has been built on our unique technical
solutions to arrest a falling person and control the resulting
forces (loads).
The capacity of a system and the loads generated in the
event of a fall depend on the strength of the structure,
supports, components and cable. The Constant Force post
has an integral energy absorbing coil which in the event of
a fall will absorb the force generated. The Constant Force
technology ensures that the load will not exceed 10kN.
This allows the post to be fixed to a relatively delicate roof
structure without the requirement to attach through the roof |
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