(1) Regardless of height, you must guard open sided floors, walkways, platforms, or runways above or adjacent to dangerous equipment, such as dip tanks and material handling equipment, and similar hazards with a standard guardrail system.

(2) You must guard floor holes or floor openings, into which persons can accidentally walk, by either a standard railing with standard toe board on all exposed sides, or a cover of standard strength and construction that is secured against accidental displacement. While the cover is not in place, you must protect the floor hole opening by a standard railing.

(3) Regardless of height you must protect employees from falling into or onto impalement hazards, such as: Reinforcing steel (rebar), or exposed steel or wood stakes used to set forms.