Section SPS 322.47 - Equipment requirements(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.Wis. Admin. Code Department of Safety and Professional Services SPS 322.47
Adopted by, CR 15-041: cr. Register December 2015 No. 720, eff.1/1/2016