Section 322.47. Equipment requirements.  


Latest version.
  • (1)  Mechanical ventilation outdoor air intakes and exhausts shall have automatic or gravity dampers that close when the ventilation system is not operating.
    (2)  Snow melt system controls. Snow- and ice-melting systems, supplied through energy service to the building, shall include automatic controls capable of shutting off the system when the pavement temperature is above 50 ° F, and no precipitation is falling and an automatic or manual control that will allow shutoff when the outdoor temperature is above 40 ° F.