Non-Penetrating Warning Line
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System overview
Our freestanding warning line for membrane and built-up roofs features a plastic-coated steel weighted base that is completely non-penetrating and sits on top of the roofing membrane. Aluminum posts are placed 15-30 feet apart and connected by a plastic-coated stainless steel cable. Aluminum danger pennants are attached to this cable every 6 feet to make the line more visible.
Various mounting options are available to suit different roof types and profiles. Since the modular system can fit virtually any configuration, you can customize the WL32 warning line system to your specific application
Create a Permanent Roof Fall Hazard Warning Line
One way to protect workers is with warning line systems. These systems, which go around the rooftop work area, provide a clear signal that workers are nearing a hazardous or unprotected side or edge. Along with defining where unsafe rooftop areas are, these warning lines can also alert workers to spots where they can work without safety nets, harnesses, or guardrails. This explanation is how OSHA Section 1926.501 defines a warning line.
A warning line system needs to include a high-visibility material and have marks at 6-foot intervals. These features help workers clearly see the areas they need to keep a safe distance from.
Warning lines don’t provide any kind of physical restraint but rather serve as a visual reminder of unprotected rooftop areas. This definition means roof safety lines warn workers of areas where falling is a risk, but the system will not prevent them from falling. Therefore, roof warning line systems work best when they are part of a comprehensive fall protection system. For example, you can install aluminum roof guardrail systems for continuous fall protection closer to the roof edge.
Provides High Visual Warning of a Fall Hazard
The Aluminum posts are positioned every 15 to 30 feet and connected with a plastic-coated stainless-steel cable with aluminum danger pennants every 6 feet. These specifications meet OSHA 29 CFR 1910.28(b)(13)(ii) for fall protection at construction sites.
The setup requirements include:
Having the line flagged with a visible material that’s spaced 6 feet apart.
Supporting the warning line to keep it between 34 inches and 39 inches from the surface.
Rigging the warning line to resist a minimum of 16 pounds of force.
Ensuring the warning line has a minimum tensile strength of 500 pounds.
Why Choose a Customizable Roof Warning Line System?
When warning line systems are installed in hazardous areas on your rooftop, they offer these benefits:
Keep workers safe: Roof warning line systems help workers stay vigilant when working on walking or working surfaces. The warning line indicates an unprotected roof edge or hole is nearby, so workers know to avoid those hazards.
Cost-effective: Since warning line systems use less material than other types of fall protection products, they are a cost-effective option. These systems are also built to last, helping you save money in the long term.
Compliance: Warning line system fall protection will keep your company compliant with OSHA standards.
Height access & fall protection made simpler
Protect the lives of the people who work on and access your building with modular aluminum systems, manufactured to the highest specifications.
Explore our range of products that help you access, protect, and connect.
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