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Tram Town
Friday, July 09, 2004
 
Category: Transport
In today's Hun, Ashley Gardiner, Transport Reporter, had the following to say (typed, by the way, with me own 'ands because I can't find it online):
E N G I N E E R S have cleared the air in the Burnley Tunnel by finding a better way to suck out the fumes.
A trial that changed the flow of air in the underground road has cut smog by 85 per cent.
Trucks were the main cause of the visible haze that used to last an average of 59 minutes a day.
By turning the large exhaust fans on and off at certain times, City-Link has cut the smog to an average of 9 minutes a day.
The chief executive of CityLink, Brendan Bourke, said thanks to engineers the efficiency of the ventilation system had been dramatically improved.
Engineers changed the speed of airflow by running more fans in one part of the tunnel and fewer in the other, he said.
I don't even know where to start with this. What is the method of determining a state of visible haze? Which of the many possible definitions of "smog" is being used? Has this supposed 85% smog reduction had any positive effect other than reduction of visible haze? Is degree of visibility of the haze related in some sense to toxicity or general safety? Did any engineers get the sack for not trying to do something about this "smog" sometime earlier in the life of the tunnel?
There are many questions that should have been asked by AGTR before publishing a good news story on behalf of CityLink.
The lesson for me is that I should stick to the web version of the Hun because it has way fewer articles by light-weight AGTR and, thereby,.way fewer reasons for me to get angry.

- posted by Semi @ 3:20 PM 0 comments

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