Act. The Washington Industrial Safety and Health Act of 1973, RCW
49.17.010 et seq.
Aerial work platform. Any form of work platform, work chair, or workbasket designed to lift or carry workmen to an elevated work position.
ANSI. The American National Standards Institute.
Approved. Approved by the director of the department of labor and industries except where this code requires approval by another specific body or jurisdiction authority.
ASME. The American Society of Mechanical Engineers.
Authorized person. A person approved or assigned by the employer to perform specific duties or to be at specific restricted locations.
Avalanche. The sliding or falling of a large amount of snow down a steep slope which has a destructive force due to its mass.
Belay. To provide an anchor for a safety line when a person is working in a position exposed to falling or sliding, the mountaineering term.
Department. The department of labor and industries, division of industrial safety and health, unless the context clearly indicates otherwise.
Designated. Appointed or authorized by the highest management authority available at the site.
Director. The director of the department of labor and industries or his/her designated representative.
Hazard. That condition, potential or inherent, which might cause injury, death, or occupational disease.
Hazardous material system. Any system within the following classifications:
(a) Flammable or explosive. Any system containing materials which are hazardous because they are easily ignited and create a fire or explosion hazard, defined by NFPA as Class I liquids;
(b) Chemically active or toxic. Any system containing material which offers corrosion or toxic hazard in itself or can be productive of harmful gases upon release, defined by NFPA 704M as Class 3 and 4 materials;
(c) Thermally hazardous. Any system above 130°F which exposes persons to potential thermal burns;
(d) Pressurized. Any gaseous system above two hundred psig or liquid system above five hundred psig.
Lift certificate to operate. An operating certificate issued by the Washington state parks and recreation commission pursuant to chapter
70.88 RCW subsequent to annual inspections as required by chapter
352-44 WAC.
Must. Indicates a mandatory requirement.
N.E.C. The National Electric Code, as published by either the National Fire Protection Association or ANSI.
Occupied building. A building regularly occupied in whole or in part as a habitation for human beings, or any church, schoolhouse, railroad station, store, or other building where people are accustomed to assemble.
Piping system. Any fixed piping, either rigid pipe or flexible hose, including all fittings and valves, in either permanent or temporary application.
Qualified. One who, by possession of a recognized degree, certificate, license, or professional standing, has successfully demonstrated the personal ability to solve or resolve problems relating to the subject matter, the work, or the project.
RCW. The Revised Code of Washington, legislative law.
ROPS. Rollover protective structure.
S.A.E. The society of automotive engineers.
Safety factor. The ratio of ultimate breaking strength of any member or piece of material or equipment to the actual working stress or safe load when in use.
Should. Indicates a recommended practice.
WAC. The Washington Administrative Code.
WISHA. Washington industrial safety and health administration.