Using "days since last accident" signs Using the presence of a negative to state a positive is flawed in this instance and lazy as you are not deep diving into success which should be the larger data set. Work complete without damage to plant or harm to people. You are only looking at when things go wrong...put simply no one looks at the "all blacks" because of their errors, mistakes or exceptions. They study one of the most successful teams in the world because of their success, culture and belief systems. It is also important to note that this is a harder, longer term journey and with 2-3 year managers in influential roles focussed only on short termism a harder journey still. What are your intended outcomes and where are they currently in the business "bright spots" then how can you replicate them...