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. Work with teachers in the art wing to ensure mechanical ventilation is operating during <br /> activities conducted after hours. <br /> 9. Use openable windows in conjunction with mechanicafventilation to facilitate air <br /> exchange. Care should be taken to ensure windows are properly closed at night and <br /> weekends to avoid the freezing of pipes and potential flooding. <br /> 10. Consider adopting a balancing schedule of every 5 years for all mechanical ventilation <br /> systems,as recommended by ventilation industrial standards (SMACNA, 1994). <br /> 11. For buildings in New England, periods oflow relative humidity during the winter are <br /> often unavoidable. Therefore, scrupulous cleaning practices should be adopted to <br /> minimize common indoor contaminants whose irritant effects can he enhanced when the <br /> relative humidity is low. To control dusts, a high efficiency particulate arrestance <br /> (HEPA) filter equipped vacuum cleaner in conjunctions with wet wiping of all surfaces is <br /> recommended. Avoid the use offeather dusters. Drinking water during the day can help <br /> ease some symptoms associated with a dry environment(throat and sinus irritations). <br /> 12. To mitigate future water damage/mold issues in the guidance wing associated with the <br /> adjacent mechanical room consider the following: <br /> a. Install a sheet metal drip pan underneath/around AHL ; <br /> h. Replace water-damaged GW with green board or other water impervious material; <br /> and/or <br /> e. Leave a small gap — V2 t o 14-inch) beneath wallboard to prevent wicking in the event <br /> of flooding. <br /> 1 <br />