Components of personal fall arrest systems

Components of personal fall arrest systems

Harness for the body: 

Straps that can be secured around an employee’s thighs, pelvis, waist, chest, and shoulders to distribute fall arrest forces over those areas, along with D-rings for connecting to other components of a fall arrest system.

The inspection: 

Before donning the harness, inspect it (see checklist). Formal semi-annual inspections are also conducted and the date of the last inspection is recorded on a tag (see checklist). For maintenance and storage, harnesses should only be cleaned with a mild detergent and warm water, toweled off to remove excess water, and hung up to dry. Do not dry these harnesses in a dryer or expose them to excessive heat. Store tools in a cool, dry location away from direct sunlight. It is not possible to repair harnesses. The harness must be replaced if any part is damaged or if it has been subjected to a fall arrest.

There are several variations: 

When used for an extensive amount of hours, harnesses can be constructed with padded shoulders, butt pads, and waist pads. Harnesses can be non-conductive with insulating covers for electrical protection .Straps can be constructed of Kevlar for abrasion resistance or Nomex for welding and other hot work.

The lanyard: 

Straps with connectors on each end for attaching body harnesses to anchorage points.

 During the inspection:Before donning the lanyard, inspect it (see checklist). A formal semi-annual inspection is also conducted (see checklist). Lanyards should be washed with a mild detergent and warm water, toweled off to remove excess water, and hung to dry. Do not place in a dryer or expose to excessive heat. Ensure that all equipment is stored in a cool, dry place away from direct sunlight. Shock absorbing lanyards reduce the shock from a fall and should be used wherever possible at Yale. During normal employee movement, self-retracting lifelines can be slowly pulled from or retracted onto the drum under slight tension. When a fall occurs, the lifeline automatically locks the drum and arrests it. Additional mobility is provided by these lifelines

The anchorage is: 

Attachment point for lifelines, lanyards, or deceleration devices. For each person tied off to an anchor, the anchor must be able to sustain a pulling force of 5,000 pounds. Keeping it clean and storing it dry if it is not permanent is the best way to maintain it. Anchors can be mounted temporarily (top row) or permanently (second row). One type of anchorage is the horizontal life line, which includes anchor straps, friction bolts, beam anchors, and D-bolts and D-ring anchors. There are two anchorage points in this case, and a line is suspended between them. An arrest system’s connector connects to the line.

The connectors are:

 The device that connects parts of the personal fall arrest system. This may be an independent component of the system, such as a carabineer, or it may be an integral part of the system (such as a d-ring sewn into a harness, or a snap-hook sewn or spliced into a lanyard or self-retracting lanyard). To prevent unclipping, all connectors must have locking mechanisms. Wipe clean and store dry Variations: Snap hooks, carabiners 


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