Current through Register Vol. XLI, No. 24, June 14, 2024
Section 36-1-16 - Ventilation-Fans16.1. Ventilation fans shall be:16.1.1. Installed on the surface.16.1.2. Installed in fireproof housing and connected to the shaft and/or slope opening with fireproof air ducts. 16.1.3. Designed to permit the reversal of the air current and located in an area which will prevent a recirculation of air from the shaft and/or slope or air contamination from any other source.16.1.4. Equipped with an automatic signal device designed to give an alarm in the event the fan slows or stops which can be seen or heard by any person on duty in the vicinity of the fan, except where fans are constantly attended.16.1.5. Offset not less than fifteen (15) feet from the shaft and/or slope.