Environments may restrict the option for traditional crane or equipment access.
Lifting and lowering systems constructed via rope access equipment are easily created and often more compact and transportable. Integration of traditional equipment is also possible when needed.
Raising or Hauling loads and equipment is quite often required when working at height.
systems that can be rigged directly above or remotely and re-directed.
The first point of attachment between the load and the hauling system is generally a device known as a progress capture, that will hold the load when tension is released by the user.
Mechanical advantage is used and can be configured for reduction of load, speed, limitations of equipment or low clearance requirements.
Rigging to lower is a system that is as simple as ropes are anchored to releasable friction devices, enabling a lowering at a controlled rate with hands-free stops and panic features as standard.
These can be attached directly above the ropes and work area or positioned remotely and redirected.
Lowering systems can easily and quickly be converted into lifting systems with the addition of pulleys and rope grabs. Descenders remain in the system as a means of progress capture and allow the quick switch back to lower.
Ropes can be tensioned between two sets of anchors to facilitate horizontal or diagonal movement.
This may facilitate moving over obstructions below, moving between two structures or most commonly as a means of stabilization when lifting negating the need for a tagline.
Attaching multiple lifting and lowering systems, which are often interchangeable, can increase the dimensions and directions we can move a load.
Reeve systems such as the ‘English’ and ‘Norwegian’ combine tension lines for lateral movement, lifting with mechanical advantage and lowering to transport loads safely and efficiently. And as a bonus, they look impressive and Cool for people who like that sort of thing.
Along with all these systems we can utilize things such as capstan winches, electric ascenders and motors to remove the need for manual hauling and reduce or eliminate the requirement for constructed mechanical advantage.
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