Wash. Admin. Code § 296-155-201
Catenary life line. 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 must be capable of supporting a minimum dead weight of 5,400 pounds per person, applied at the midpoint of the line.
Contaminant. Any material which by reason of its action upon, within, or to a person or object is likely to cause physical harm.
Dropline. A vertical rope from a fixed anchorage, independent of the work surface, to which the lanyard is affixed or tied.
Fixed anchorage. 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 must be capable of supporting a minimum dead weight of 5,400 pounds per worker.
Lanyard. 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.
Lifeline. A rope, suitable for supporting one person, to which a lanyard or safety belt (or harness) is attached.
O.D.. Optical density and refers to the light refractive characteristics of a lens.
Radiant energy. Energy that travels outward in all directions from its source.
Safety belt. 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.
Wash. Admin. Code § 296-155-201
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.