Controlled Descent Devices for Emergency Rescue
Controlled Descent Devices are used for for vertical or sloped emergency descent applications when quick extraction from a dangerous situation is vital. When an emergency requires a cost-effective mode to retrieve workers from high places, controlled descent devices are simple, fast, and safe solutions. Diversified Fall Protection offers a complete OSHA compliant controlled descent device line, including vertical and sloped descent models for complete versatility and flexibility for any job site or work environment.
Applications
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Drilling Platforms and Oil Rigs
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Power Transmission
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Design Considerations
- Requires no power source, special skills, or tools to operate.
- Secure unit to an anchorage, connect the snap hook to safety harness D-Ring, and step off the structure.
- Offers rescue capability from up to 200 feet.
- Systems are built from corrosion resistant materials for maximum durability.
OSHA Regulations
Rescue and Descent
- Personal Fall Arrest Systems: System performance criteria. In addition to the general requirements in paragraph (c) of this section, the employer must ensure that personal fall arrest systems: 1910.140(d)(1)(i)
- Limit the maximum arresting force on the employee to 1,800 pounds (8 kN); 1910.140(d)(1)(ii)
- Bring the employee to a complete stop and limit the maximum deceleration distance the employee travels to 3.5 feet (1.1 m); 1910.140(d)(1)(iii)
- Have sufficient strength to withstand twice the potential impact energy of the employee free falling a distance of 6 feet (1.8 m), or the free fall distance permitted by the system; and... 1910.140(d)(1)(iv)
- Sustain the employee within the system/strap configuration without making contact with the employee's neck and chin area. 1910.140(d)(1)(v)
- On any horizontal lifeline that may become a vertical lifeline, the device used to connect to the horizontal lifeline is capable of locking in both directions on the lifeline. 1910.140(d)(2)(ii)
- Personal fall arrest systems are rigged in such a manner that the employee cannot free fall more than 6 feet (1.8 m) or contact a lower level. A free fall may be more than 6 feet (1.8 m) provided the employer can demonstrate the manufacturer designed the system to allow a free fall of more than 6 feet and tested the system to ensure a maximum arresting force of 1,800 pounds (8 kN) is not exceeded. 1910.140(d)(3)
- Body belts. Body belts are prohibited as part of a personal fall arrest system.
Talk to a fall protection specialist
Tell us about your fall protection needs, and we’ll configure a system that rises to your challenges.