OAR 437-003-0045
Additional Definitions
(1)
Certification required by this section means “in writing.”(2)
Dangerous equipment — Equipment such as pickling or galvanizing tanks, degreasing units, machinery, electrical equipment, and other units which, as a result of form or function, may be hazardous to employees who fall onto or into such equipment.(3)
Lower levels — Those areas or surfaces to which an employee can fall. Such areas or surfaces include, but are not limited to, ground levels, floors, platforms, ramps, runways, excavations, pits, tanks, material, water, equipment, structures.(4)
Opening means a gap or void 12 inches (30.5 cm) or more in any dimension in a floor, roof or other walking/working surface. For the purposes of this subpart, skylight and smoke domes that do not meet the strength requirements of 1926.754(e)(3) shall be regarded as openings.(5)
Walking/working surface means any surface, whether horizontal or vertical on which an employee walks or works, including, but not limited to, floors, roofs, ramps, bridges, runways, formwork, beams, columns, trusses and concrete reinforcing steel but not ladders, vehicles, or trailers, on which employees must be located in order to perform their job duties.
Source:
Rule 437-003-0045 — Additional Definitions, https://secure.sos.state.or.us/oard/view.action?ruleNumber=437-003-0045
.