Much of the overall additional cost – it was original forecast to be a
£75million facility – has been blamed on the trickiness of installing
the roof on just three supportive points.
Yet adjusting the aquatics air temperature to remain at a comfortable, if
slightly sweaty level has been tricky.
At the World Cup diving event the outside temperatures were around zero, but
inside the pool it was over 30 degrees.
This week the conditions inside the venue have been more tolerable, but with
noticeable occasional cool drafts.
The extra under stair heating will be available if the late July and early
August weather during the London Olympics turns chilly, but engineers don’t expect
to have to use it.
Apparently all of the body temperatures of 17,000 spectators will provide an
additional micro-heating system.
Article source: http://telegraph.feedsportal.com/c/32726/f/568303/s/1d2c88b0/l/0L0Stelegraph0O0Csport0Colympics0C91250A590CLondon0E20A120EOlympics0ESweltering0Etemperatures0Ein0Eaquatic0Ecentre0Efor0Etest0Eevent0Esatisfy0EFINA0Eregulations0Bhtml/story01.htm