Horizontal lifeline systems

Primary regulations include 1910 for General Industry and 1926 for Construction. FLS also recommends following ANSI Z359.6 for the most comprehensive design guidance for lifeline systems.

It depends on the application, task, clearance, and feasibility of installation. Rigid Rail offers superior fall distances for low-clearance areas, while Horizontal Lifelines can be installed in many locations where Rigid Rail may not be structurally feasible. 

To comply with ANSI standards, HLL systems must be inspected and recertified by a Competent Person at least once every 12 months. Systems exposed to extreme heat, chemicals, or salt air may require more frequent inspections to ensure cable integrity.

Capacity is determined by the engineering of the system. While many systems are rated for one to three users, FLS can custom-engineer lifelines for more users by reinforcing the end-anchors and calculating the cumulative dynamic load of a simultaneous fall event.

 Yes, we utilize non-penetrating deadweight anchors or specialized standing-seam clamps that grip the structural ribs of the roof. These solutions provide OSHA-compliant safety without compromising the roof membrane or voiding the manufacturer’s warranty.

Fall Restraint prevents the worker from reaching the edge, effectively creating a zero-fall environment. Fall Arrest safely stops a worker after a fall has occurred. FLS designs systems for both, though Fall Arrest requires higher-rated anchorage to handle dynamic forces.

 It is the sum of lanyard length, deceleration distance, cable deflection or sag, worker height, and a safety factor of at least 1.5 feet. Our engineers provide specific clearance charts for every span to ensure workers never strike the ground or a lower level during a fall. 

 Per OSHA 1926.32, an HLL must be designed by a Qualified Person, which is someone with a recognized degree or professional standing, such as a Professional Engineer, with extensive knowledge in fall protection. FLS provides these engineering services to ensure legal and physical compliance.

 A loose cable increases fall distance: while an overtightened cable puts unnecessary stress on the anchors. Our built-in tension indicators allow a Competent Person to verify at a glance that the system is tuned to engineering specifications. 

 Safety components must be traceable. We serial-number every bracket and shuttle to ensure a complete maintenance history: which is critical for identifying potential manufacturing defects or “end of life” fatigue. 

Cable systems involve “dynamic sag.” We perform precise Total Fall Distance (TFD) calculations: often recommending Self-Retracting Lifelines (SRLs) with the system to ensure the arrest occurs before contact with the wing or fuselage. 

 The overhead anchors are designed to manage extreme dynamic loads. After any fall: the entire system must be immediately tagged out: and the structural integrity of the roof beams and anchor points must be validated by an engineer. 

 According to OSHA: a Competent Person must oversee the daily operation and inspection of the lifeline. For the initial design and structural tie-in: a Qualified Person (Professional Engineer) is required to certify the system for specific aircraft profiles. 

 Primary regulations include 1910 for General Industry and 1926 for Construction. FLS also recommends following ANSI Z359.6 for the most comprehensive design guidance for lifeline systems.

 It depends on the application, task, clearance, and feasibility of installation. Rigid Rail offers superior fall distances for low-clearance areas, while Horizontal Lifelines can be installed in many locations where Rigid Rail may not be structurally feasible.

 To comply with ANSI standards, HLL systems must be inspected and recertified by a Competent Person at least once every 12 months. Systems exposed to extreme heat, chemicals, or salt air may require more frequent inspections to ensure cable integrity. 

Capacity is determined by the engineering of the system. While many systems are rated for one to three users, FLS can custom-engineer lifelines for more users by reinforcing the end-anchors and calculating the cumulative dynamic load of a simultaneous fall event.

Yes, we utilize non-penetrating deadweight anchors or specialized standing-seam clamps that grip the structural ribs of the roof. These solutions provide OSHA-compliant safety without compromising the roof membrane or voiding the manufacturer’s warranty.

Fall Restraint prevents the worker from reaching the edge, effectively creating a zero-fall environment. Fall Arrest safely stops a worker after a fall has occurred. FLS designs systems for both, though Fall Arrest requires higher-rated anchorage to handle dynamic forces.

It is the sum of lanyard length, deceleration distance, cable deflection or sag, worker height, and a safety factor of at least 1.5 feet. Our engineers provide specific clearance charts for every span to ensure workers never strike the ground or a lower level during a fall.