Why this matters
Openings are easy to forget, easy to cover badly, and easy to uncover by mistake.
What to cover
- Cover every opening with a cover rated for the load and fixed so it can't slide.
- Mark covers clearly so no one moves them.
- If you remove a cover, guard the opening or put it back right away.
- Don't step or sit on skylights or roof lights.
- Check covers at the start of each shift.
- Tell the supervisor when an opening is made or changed.
Ask the crew
- Where are the openings on this level?
- Who is allowed to remove a cover?
- How do we mark covers?
One thing to do today
Check every opening cover on one floor and fix any that move.



