Jenga Block exercise

Pulling out Jenga blocks shows nearing the tipping point as systems degrade over time

Spain plant cutting rolls

Job was a couple of hours

Other co-workers around but didn’t notice

Centrifugal force spun the workers hand into the circular saw

First story

Unsafe condition - no guard

Unsafe action - rush, overconfident worker

Issued a risk review

Second story

Why was there no guard?

Why was the worker feeling rushed?

Why was the worker feeling overconfident?