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[quote user="tree68"]I gave what was, based on the gauges. Pure hindsight, which we all know is generally 20-20. There was a very definitive spike in river levels. That may not have been properly anticipated. In fact, I'd bet it wasn't. Had BNSF been aware of that spike, I'd opine they probably would have taken action.[/quote] Sure, your gauge readings were hindsight, but the level graphs show that there would have been ample forewarning available if BNSF had used IFIS. If they did or not we don't know, but I would deem it negligent if they didn't. This or a comparable service. [quote user="tree68"]The levels of the Rock River (and thus the Little Rock River, as it flows into the Rock a short distance beyond the derailment site) were already high, above "Action" stage as I recall, but not necessarily at "Flood" stage, and they had been at that level for several days.[/quote] The levels on June 21 and 22 were above Major Flood Stage of 19ft. That was the reason to post the above definition of Major Flood Stage. From one of my earlier posts: The water level Tree68 gave for up-river from Doon is defined as Major Flood Stage: <a href="http://ifis.iowafloodcenter.org/ifis/app/?c=Doon_(Rock_River)">http://ifis.iowafloodcenter.org/ifis/app/?c=Doon_(Rock_River)</a> Klick on the Attention mark for more information. And than on more info in new small window. As I said I don't know if the rule 6.21 was applicable. On the other hand this was a crude oil unit train not an intermodal. The problem with dams is, you get have the train across a location and than vibration have summed up enough to get the soil moving. Regards, Volker
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