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405.0 Evaporative Cooling System for Health Care Facilities
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[For OSHPD 1, 1R, 2, 3, 4 & 5] Direct evaporative cooling systems where the air directly contacts the wetted surface or spray shall be limited in health facilities to non patient areas such as laundry rooms, food preparation areas, and boiler or machinery rooms. Similar rooms with high heating-producing equipment will be considered when specifically approved by the enforcing agency. The evaporative pads shall be a synthetic type. Filters shall be required in accordance with Tables 4-B and 4-C except utility rooms, i.e.: boiler or machinery rooms.