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Temporary ventilation for a gymnasium

Temporary ventilation for a gymnasium

Temporary ventilation for a gymnasium

(OP)
Advice please on temporary ventilation for a gym, 98ft x 49ft x 26ft high.  3 double doors on long side thro a 34ft entrance way.  2 single doors at each end of the gym.  Noise from fans could be a problem; this is a dance conference with a live band.  Advice on noise reduction also welcome.  Hall will have 200 dancers.  Conference is last week in July.  Gym roof exposed to sunlight all day.  Location is Southern Vancouver Island.  Currently considering 42" fans for supply and exhaust.
Grateful for all advice - thanks in anticipation.
Bill

RE: Temporary ventilation for a gymnasium

I like to contradanse and have been in similar settings in far hotter climates.  I think that the large fans should be located in the entrance doorways (blowing out) as far away from the gym as possible.  Open the single doors in the gym to get fresh outside air pulled in to cool off the dance floor.  Smaller fans along the gym walls will be quieter and will cool the outside dance lines.  

What you don't want to do is end up fighting the gym's current ventilation system.  You should talk to the building superintendent and ask this same question.

RE: Temporary ventilation for a gymnasium

(OP)
Thanks for the response dvd.  The current Gym has no ventilation.  Will take your advice and see how we get on.  Our dance form is Scottish and have done a bit of contra in my time.  Weather has also cooled off, so that will be a tremendous help.
Bill Z

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