Equipment Failures and Human Errors Require Root Cause Analysis

See this story:

http://www.nytimes.com/2009/08/19/nyregion/19scaffold.html?_r=1

Quote:

“The cause was being investigated, the authorities said, but it appeared that both mechanical failure and human error played some role in the collapse.”
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I don’t know if it’s true that his harness was not properly secured, but the other two workers survived.  That is what harnesses are for.

I blogged about some window washers a couple of weeks ago who were stranded when their platform gave way.  See this entry for information on equipment/mechanical failure.

We don’t have all the facts yet but what I can say for sure is neither of these incidents had to happen.