Equipment Failures and Human Errors Require Root Cause Analysis
“The cause was being investigated, the authorities said, but it appeared that both mechanical failure and human error played some role in the collapse.”
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.