Minn. R. 1550.1360
SATISFACTORY COMPLIANCE FOR BAKERY CONSTRUCTION
The construction of the building shall be considered adequate when the following conditions are met: A. the building is of sound construction and furnishes adequate protection from environmental contamination such as weather elements, insects, birds, rodents, and other animals; B. the building is large enough to accommodate the operations without hampering sanitary practices; C. the plant is maintained in good repair; D. walls, ceilings, partitions, and exposed structural supports are free of flaked paint or other scaling material; E. doors, walls, partitions, ceilings, and exposed structural supports are constructed of smooth, easy-to-clean material; F. walls, floors, partitions, ceilings, and exposed structural supports are free of crevices or openings which may harbor rodents or insects; G. floors are smooth, easy-to-clean, and do not absorb the substances that normally contact them in the course of processing and cleaning; H. wooden floors are coated with a protective compound which effectively eliminates cracks and crevices; I. floors that frequently get wet are constructed to prevent pooling of water or are kept clean and dry such as by a wet pickup vacuum device; J. drains are constructed to minimize clogging, allow for thorough drainage, prevent back flow, and prevent vermin and sewage gas from entering the plant; K. sewage lines shall not cross a product zone or food storage area unless properly sealed off or otherwise installed to prevent contamination of the product or product zone; L. cracks at wall-floor junctures are sealed; M. walls of all utensil and equipment-washing rooms or areas have a washable, nonabsorbent surface up to the level reached by splash or spray; N. windows are intact; O. entrance ways or openings to production rooms from the outside of the bakery are equipped with tight fitting and self-closing doors, or other effective means are provided to prevent the entrance of insects, rodents, birds, and other animals; P. production rooms are partitioned off or are separated from the garage area and maintenance shop; Q. elevated platforms or mezzanine floors are constructed to prevent contamination of equipment on the lower floor by operations conducted on the upper floor; and R. the bakery is separated from living quarters or rooms used for domestic purposes.