FLS Cable based horizontal lifeline systems provide a safe means of tie off for workers in a variety of applications. With spans up to 180’ and supporting multiple users, FLS Cable lifelines provide an economical and efficient solution for workers at height.
Whether designed for an overhead application, such as an aircraft hangar, or at foot level on a roof, a properly engineered FLS Cable lifeline ensures the safety of employees and workers exposed to falls.
Cable Versus Rigid Rail
There has been much debate about which is better, cable or rigid rail horizontal lifelines. When designed correctly, both cable and rigid rail lifelines offer excellent levels of fall protection. Rigid rail systems have the advantage of lower fall distances and are often preferred when work is performed less than 12’ above a lower level. Cable based lifelines have the advantage of practicality in scenarios where a rigid rail system is less feasible, such as on roofs, arena rigging grids and along overhead crane rails.
FLS Cable trolleys and shuttles on all cable based lifelines feature pass thru capability of intermediate support points. Eliminating the need to use double lanyards or disconnect from the lifeline reduces risk and improves user efficiency.
The Southwest Airlines maintenance team required the capability to add two 737-900 aircraft near the front of one of their hangars requiring the engineering of atypical support connections for the system anchor points.
FLS installed approximately 900 total feet of FlexGuard Permanent Guardrail on various areas of the main building roof. Most notably, the area around the rooftop access hatch was able to be protected by FlexGuard Permanent, due to the versatility and adjustability of the product.
Flexible Lifeline Systems’ scope of work included the design, supply, and installation of four Horizontal Lifeline systems. Two systems were positioned on Roof A and two systems on Roof B starting from the hatch and running the parameter of the rooftoop.
The FLS design included a structural analysis of the new building and a rigorous approval process to prove that the FLS system was a substantial improvement over the system originally specified for rooftop fall safety.
Flexible Lifeline Systems designed, engineered, and installed one 140′ Overhead Horizontal Lifeline on gallows. Encore Wire installed foundations based on Flexible Lifeline Systems’ design and anchor bolts.
Horizon Group/Houston Community College Case Study
Flexible Lifeline engineers reviewed construction plans and assessed potential hazards. FLS designed, supplied, and installed a Multi-Span Lifeline System totaling about 480ft, located approximately 10ft along the rooftop’s leading edge.
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