WAC 296-155-201   Definitions applicable to this chapter.  (1) "Catenary life line" means a horizontal rope between two fixed anchorages, independent of the work surface, to which the lanyard is attached, either by tying or by means of a sliding connection. A catenary life line shall be capable of supporting a minimum dead weight of 5,400 pounds per person, applied at the midpoint of the line.

     (2) "Contaminant" means any material which by reason of its action upon, within, or to a person or object is likely to cause physical harm.

     (3) "Dropline" means a vertical rope from a fixed anchorage, independent of the work surface, to which the lanyard is affixed or tied.

     (4) "Fixed anchorage" means a secure point of attachment, not a part of the work surface, for droplines, lifelines, catenary life lines, or lanyards. The fixed anchorage and its appurtenances shall be capable of supporting a minimum dead weight of 5,400 pounds per worker.

     (5) "Lanyard" means a rope, suitable for supporting one person. One end is fastened to a safety belt or harness and the other end is secured to a substantial object or a safety line.

     (6) "Lifeline" means a rope, suitable for supporting one person, to which a lanyard or safety belt (or harness) is attached.

     (7) "O.D." means optical density and refers to the light refractive characteristics of a lens.

     (8) "Radiant energy" means energy that travels outward in all directions from its source.

     (9) "Safety belt" means a device, usually worn around the waist which, by reason of its attachment to a lanyard and lifeline or a structure, will prevent a worker from falling.



[Statutory Authority: RCW 49.17.040 and 49.17.050. 86-03-074 (Order 86-14), § 296-155-201, filed 1/21/86; Order 76-6, § 296-155-201, filed 3/1/76.]