Asbestos HVAC Methods
Heating, Ventilation and Air Conditioning (HVAC) System Isolation methods are listed below in order of preference; the more complex and potentially problematic methods may be used when the more preferred procedures are impractical.
Shut down and lock out 1FIVAC systems and install isolation barriers to prevent contamination and fiber dispersal to other areas of the structure, or
Isolate locally and provide temporary HVAC, or
Positive pressurization of the HVAC system. This procedure shall be applied only under the direction and control of a professional engineer, or other knowledgeable licensed professional, after approval by the Department. Courtesy of The City of New York
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