Minn. R. agency 144, ch. 4658, MECHANICAL SYSTEMS; NEW CONSTRUCTION, pt. 4658.4535
The minimum ventilation requirements of part 4658.4520 for food preparation areas must be provided by either a combination of general ventilation and the range hood, or by general room ventilation. If hood ventilation is needed to meet the minimum air changes per hour, the hood must be operating at all times that the food preparation area is in use.
The minimum exhaust requirements of part 4658.4520 for the dishwashing area must be provided by either a combination of general ventilation and the exhaust from the mechanical dishwasher or by general ventilation. If dishwasher hood ventilation is needed to meet the minimum air changes per hour, the hood must be operating at all times that the dishwashing area is in use.
All exhaust ducts must be provided with access panels for cleaning.
Minn. R. agency 144, ch. 4658, MECHANICAL SYSTEMS; NEW CONSTRUCTION, pt. 4658.4535
Statutory Authority: MS s 144A.04; 144A.08