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Recent content by Firthy

  1. Firthy

    Opening window ventilation rates?

    Hi guys, new on here so please be gentle with me. I have a job in front of me which is an exam hall measuring 25m x 15m x 2.7m. There will be 140 people in this room and the specification is asking for 10 lps. Can I take into account the size of the opening windows when doing the calculations...

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