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#1 Posted : 22 August 2001 18:49:00(UTC)
Rank: Guest

Posted By Dave Westhead
Could anyone give me any information on air changes in a hydro-pool room and ajacent changing room. I have read that it is not advisable to re-circulate the air i.e. through a de-humidifier etc, but the designer of the pool said that this was the only option. The pool has been in use for 3 years and we have had numerous problems with the de-humidifier (changed twice, repaired 3 times). We currently have on small extract AHU situated by a toilet in the changing room and the fresh air is brought in "naturally" through the edge of the door below this extract. I would be greatful if anyone could point me in the direction of some concrete evidence to back up my beliefs.

Thanks in advance,
#2 Posted : 23 August 2001 08:54:00(UTC)
Rank: Guest

Posted By Ken Taylor
Most of the information around seems to be directed at swimming pools but the following extracts from HSG179 must be equally applicable to hydrotherapy pools:

'275. Where, for heat recovery purposes, ventilation air is recirculated, care must be taken to ensure there is not a build-up of harmful compounds in the pool hall air; a minimum of 30% fresh air should be provided.'

'276. Changing areas should be maintained at a temperature of 24 degC and have ten air changes per hour to avoid condensation ...'

In fact, I would suggest that even higher standards should be employed for the conditions found in hydrotherapy.
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