PRINCIPLE 5: Tolerance for Error - Be Safe

The design should minimize hazards and the adverse consequences of accidental or unintended actions.
The environment should address current safety standards while providing developmental opportunities needed for exploration and challenge.

• Elements should be arranged to minimize hazards and errors: most used elements are most accesible, hazardous elements are eliminated, isolated or shielded.
• Warnings of hazards and erorrs, fail safe features should be provided.
• Unconscious action should be discouraged in tasks that require vigilance.
• Safer activities and environments should be provided, that allow people to explore, interact, and experience developmentally appropriate risk.
• People’s emotional feelings of security should be supported so they are more likely to engage.
• Accommodate for comfortable supervision and ongoing maintenance should be acquired.