Abstract: A fall arrest system is disclosed. The fall arrest system comprises a plurality of pulleys and a plurality of holders. At least one of the plurality of pulleys comprises at least one centrifugal brake. Each holder is being coupled to a pulley of the plurality of pulleys and configured to mount the respective pulley onto a mounting area of a structure or the ground. Further, at least one pre-tensioned rope is wrapped around the plurality of pulleys and configured to rotate along the plurality of pulleys. Thereafter, at least one coupling hook is rigidly coupled to the at least one pre-tensioned rope.

Abstract: Methods, systems, assemblies, and/or the like are provided. According to various embodiments, there is provided a rail system including a vertical rail aligned vertically and including a vertical track; a changeover rail comprising a first portion, second portion, and a changeover track, wherein the first portion is configured to operably connect to the vertical rail, wherein the second portion is configured to be fixedly connected to a post, wherein the changeover track is disposed along the first and second portions, wherein the vertical track and the changeover track are configured to be aligned to form a track configured to receive a shuttle assembly configured to travel along the track; and a changeover mechanism configured to operably attach the vertical rail and the changeover rail.