Control the spread of pollutants during work on occupied buildings
Indoor air quality (IAQIndoor air quality. Healthfulness of an interior environment; IAQ is affected by such factors as moisture and mold, emissions of volatile organic compounds from paints and finishes, formaldehyde emissions from cabinets, and ventilation effectiveness.) may suffer during construction on occupied homes.
Grinding concrete, welding, painting, or the application of other liquids add pollutants to the air. Normal HVAC(Heating, ventilation, and air conditioning). Collectively, the mechanical systems that heat, ventilate, and cool a building. operations may be disrupted at these times, further aggravating the problem.
Seal off the living area from the work space and exhaust the contaminated air with a window-box fan. Be sure not to draw the contaminated air back into the living area through an open window or fresh air intake.
Learn more in the Green Building Encyclopedia
