The Wetware Crisis: the Thermocline of Truth

Bruce F. Webster

This is an old post, but a good one. I had occasion to look it out again this week, so posting it here both as a service to others and to make it easier to find the inevitable next time I want to show it to somebody.

How is it that projects seem to be steadily on track for successful delivery until just before the target date for implementation – at which point they suddenly aren’t? It seems implausible that the phenomenon should be helpfully explained by reference to temperature gradients in oceans, but that is exactly what this post does. For all sorts of reasons – some covered in the post – reporting systems give false assurance to senior decision makers for far too long, until the tipping point is reached at which the actual state of readiness can no longer be concealed, when suddenly the project dashboard goes from benign to catastrophic in an instant. Crossrail provided a particularly spectacular and very public example when it failed to open in 2018 having been presented as being on track to do so only a few months earlier – despite what we now know to be a need for more than three years further work before the line could open.

But this is not a phenomenon limited to big infrastructure projects. I can readily think of examples at more or less every scale, and I suspect anybody with any familiarity with project delivery will have their own. From that experience, I see another critical factor encouraging the development of thermoclines of truth: the setting of delivery deadlines. The further ahead the deadline is set (and the more arbitrary it necessarily is as a result) and the more visible that deadline is, the more certain it is not just that the deadline will not be met, but that the fact that it will not be met will only be recognised at a very late stage. There are some pretty obvious reasons why this adds to the risks Webster identifies in his post – the stronger the commitment, the more visible the failure, and the greater the reluctance to face up to the problem, still more so to be the messenger of bad news.

Delivery happenes when the work is complete. Completion of the work does not happen because delivery is due.

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