Aerial cableways

Pages:100-105
8. Aerial cableways1
8.1. General provisions
8.1.1. All bearing parts of aerial cableways should be designed
to withstand the maximum loads to which they will be subjected
with a safety factor related to the method of run, but at least
3.5 times the maximum stresses, taking into account not only the
load but also the secondary stresses due to wind, speed of opera-
tion, deflection, etc.
8.1.2. Adequate side clearances should be provided between
aerial cableways and fixed objects such as ramps, platforms and
chutes.
8.1.3. At places where persons work or pass, moving cables
or ropes and the nip points on sheaves should be adequately
enclosed or fenced.
8.1.4. Tip-up buckets should be provided with locking
devices that prevent inadvertent tipping.
8.1.5. If workers have to pass from conveyances to supports,
devices to enable this to be done safely should be provided on
both.
8.1.6. If work has to be done regularly on conveyances and
supports, working platforms complying with the requirements of
section 3.2 should be provided if necessary to prevent danger.
8.1.7. If access to the tops of supports is regularly required,
ladders equipped with cages should be provided and should
comply with the relevant requirements of Chapter 4.
8.1.. At places where aerial cableways pass over passage-
ways, workplaces, traffic routes, etc., adequate means should be
provided to catch any falling objects or material.
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- Also called "aerial ropeways".

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