So in conclusion, in New Zealand, we’ve had 20 years of asset plans and 7 cycles of development. We’ve got guidance available through plans and resources and templates for the specific industries as well as across multiple industries. Levels of service, future demand, risk are the key inputs to life cycle analysis. If you try to do your asset life cycle analysis without those inputs, you … [Read more...]

This is a different example. So this was Walkerton, Canada in 2000. So what happened here, they’ve got some bores, they have cows around and they’ve got E. coli, a particular type of E. coli that are carried in cow manure into the bores. Because they had set up a contract with, they have a performance-based contract with the contractor if they haven’t got the chlorine in, they’ve got … [Read more...]

So, the other thing is, this is the Minnesota River Bridge, in the US. I don’t know if you remember. In 2007 it collapsed; killed 13 people, 145 injured. This is the Mississippi River and it made worldwide news at the time. The bridge dropped into the Mississippi River while they were repairing it, by the way. The thing was, if you go back to the 1970s and 80s, in engineering, there were … [Read more...]

Now the interesting thing about that threshold of safety and trust is you can spend heaps of dollars and get your levels of service up to and get your risks back down but you never get your trust back. So as infrastructure asset management practitioners, if you build something that fails or you have a failure sequence like that one at Flint that’s recent, once you lose your trust, so in … [Read more...]

Alright. Levels of service. So levels of service, cost, and risk. And again this came out of the Road Maintenance Task Force work and one of the things we see are these three axes. So levels of service, you can say, hey I’ve got these levels of service and it going to cost me here at this much. And over here, remember I said to you earlier the risk is often hidden. There’s a risk. And the … [Read more...]