Why do we make bad decisions? Because we make a mistake and repeat the process down the road thinking the outcome will be different. So how can we learn from our mistakes, avoiding bad decisions later on? If you want to learn and grow there is a powerful three letter word in construction, we should all be asking it's called "WHY", to help us learn from our mistakes. For example let's say you had a concrete pour that went ok, ask yourself:
Why was it just ok?
So after they did not show up, what decisions were made as far as schedule and the pour date?
By asking WHY you can see that the pour production was subpar. Because the finishers were not able to get the slab placed quickly with fresh concrete they had to work twice as hard to lay it down, because the carpenter crews were still placing rebar and fine grading the gravel, because the area was not turned over to them as scheduled because the dirt contractor did not finish on time because they were not on-site on the day they were supposed to begin the prep. So you can see one missed step cause a chain reaction of events to which caused the un-productive slab pour. If we focus on the problem at the first or second why we will never get to the route cause and will learn only half of our mistake. The problem is decisions, not being made right then, whether it's changing sequence of flow (maybe focusing on one area, a certain section so that one half was completely ready for the finishers when they show up, instead of nothing being ready and work needing to be done in all areas).
Once a schedule disruption happens, an action item needs to be implemented, it's like stacking concrete truck. You're trying to hurry and pump: old, dry concrete before time expires. However, this will cause a chain reaction with stacked trucks behind the one currently being placed, whereas if you remove one of the old trucks from the lineup the next truck will be fresher with more time to place out and so forth down the line, with remaining trucks. Flow is what we are trying to achieve to be productive and everytime there's a delay, well this disrupts the flow. So asking why allows us to find and learn from the route of the problem, as to not impact the remaining chain of events. Why is a powerful word if asked continually, will only help you learn and grow.
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