FALL ARREST SYSTEMS

ISOLUX INGENERIA S.A. TOWER ERECTION TRAINING

Full Body HarnessPresented By: Victor Momanyi

Designation: QHSE AssistantDate: _ _ / _ _ / 2016

Contents; Definition

Attachment Location Body Harness Vertical lifeline/Lanyard Webbing Anchorages Horizontal lifelines Connectors & Using fall arrest system safely

What is a ‘Personal fall Arrest system?’A personal fall arrest

system is one option of protection that OSHA requires for workers on construction sites who are exposed to vertical drops of 6 feet or more.

Personal Fall arrest system cont’d Its made up of the following parts;

Attachment Location Body Harness Vertical lifeline/Lanyard Webbing Anchorages Horizontal lifelines Connectors & Using fall arrest system safely

Attachment Location

The attachment of the body harness must be located in the center of the wearer's back, near the shoulder level, or above the head.

Body Harness Body harnesses are designed to minimize stress forces on an

employee's body in the event of a fall, while providing sufficient freedom of movement to allow work to be performed.

Do not use body harnesses to hoist materials. As of January 1, 1998, body belts are not acceptable as part of a

personal fall arrest system, because they impose a danger of internal injuries when stopping a fall.

Vertical Lifelines/lanyardVertical lifelines or lanyards must

have a minimum breaking strength of 5,000 pounds, and be protected against being cut or abraded.

Webbing

Webbing are the ropes and straps used in lifelines, lanyards, and strength components of body harnesses. The webbing must be made from synthetic fibers.

Anchorages Anchorages used for attachment of

personal fall arrest equipment capable of supporting at least 5,000 pounds per employee attached.

It must be independent of any anchorage being used to support or suspend platforms, and/or must be designed and used as follows: As part of a complete personal fall arrest

system which maintains a safety factor for at least 2

Under the supervision of a qualified person

Horizontal lifeline On suspended scaffolds or similar

working platforms with horizontal lifelines that may become vertical lifelines, the devices used to connect to a horizontal lifeline must be capable of locking in both directions on the lifeline.

Connectors;

D-Rings: D-Rings must have a minimum tensile strength of

5,000 pounds, and be proof-tested to a minimum tensile load of 3,600 pounds without cracking, breaking, or becoming permanently deformed.

Connectors Cont’dSnap-hooks: They must also be locking-type, double-

locking, designed and used to prevent the disengagement of the snap-hook by the contact of the snap-hook keeper with the connected member.

Should have minimum tensile strength of 5,000 pounds, and be proof-tested to a minimum tensile load of 3,600 pounds

Using Fall Arrest System Safely Ensure that personal fall arrest systems will, when

stopping a fall: Limit maximum arresting force to 1,800 pounds. Be rigged such that an employee can neither free fall

more than 6 feet nor contact any lower level. Bring an employee to a complete stop and limit

maximum deceleration distance to 3½ feet. Have sufficient strength to withstand twice the potential

impact energy of a worker free falling a distance of 6 feet, or the free fall distance permitted by the system, whichever is less

Using Fall Arrest System Safely Cont’d Remove systems and components from

service immediately if they have been subjected to fall impact, until inspected by a competent person and deemed undamaged and suitable for use

Promptly rescue employees in the event of a fall, or assure that they are able to rescue themselves

Thank You

No Safety Know Pain Know Safety No Pain