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What is a D-type full body seat belt

Update:2020-11-25
Abst:Full body seat belts can have multiple classifications-but all full body seat belts in the United States need to meet Class A requirements. The full-b

Full body seat belts can have multiple classifications-but all full body seat belts in the United States need to meet Class A requirements.

The full-body seat belt must include a built-in fall protection indicator. When the full-body seat belt has stopped falling (or received the same force), the indicator will be activated to issue a permanent, easily visible warning.

 

Full body seat belts are divided into the following categories:
Class A: falling;
Category D: suspension and controlled descent;
Class E: Limited access;
Level L: Ladder; and
Class P: job positioning.
The Class A full-body harness is designed to support the body during and after a fall, with a Class I back connector attached to both straps.

Class D full body seat belts are designed for high-altitude suspension or controlled descent.

In addition to the connectors required for Class A, all Class D body harnesses shall also have:

(A) One or two front type I connectors;
(B) Type I connectors mounted on both sides, originating below the waist; or
(C) A sternum type I connector.
The E-Class full-body harness is designed to support the worker in a position that will lower the worker's profile when passing through a limited entry area. Usually involves the lifting of workers. In addition to the connectors required for Class A, all Class E body harnesses must also have two Class I connectors. The connectors required by Class E should be located on each shoulder strap and specify that the connector can slide on the shoulder strap

 

Class L full body seat belts are designed for use in fall restraint systems and involve the use of AS or FRL fall arresters that travel on vertical lifelines or rails, as described in CAN / CSA-Z259.2.1 These systems are usually installed on or near ladders or towers.

Class P full-body seat belts are designed to locate the position of workers during operations. In addition to the connectors required for Class A, all Class P full body seat belts must also have two Class I connectors attached to the waist.