NSF ANSI 25:2017 pdf free download – Vending machines for food and beverages
5.11.1 Covers protecting a food zone shall overlap the opening and shall be sloped to provide drainage from the cover surface. Inset covers for stackable pans are exempt from the slope requirement. Areas of handles and knobs of covers are not required to be sloped.
5.11.2 Covers having slotted openings designed to allow serving utensils to remain in the food shall be exempt from 5.11.1. Slotted openings shall be no larger than 11/2 inx 1 in (38 mm x 25 mm) and shall be protected by a raised rim of at least 3/16 in (0.19 in, 5.0 mm).
5.11.3 Port openings through a food zone cover shall be flanged upward at least 3/16 in (0.19 in, 5.0 mm) and shall have a cover overlapping the flange.
5.11.4 Hinges and pivots shall conform to 5.12.
5.11.5 Covers shall be readily removable and easily cleanable.
5.11.6 Sliding covers and hinged covers protecting a food zone shall be designed and manufactured to prevent accumulation of liquid or debris on the covers and contamination of the food zone during opening or closing.
5.11.7 Hood mountings for covered pitchers shall be accessible.
5.11.8 All internal corners of roll covers, tilt covers, and other similar covers shall be more than 135° or shall have a minimum smooth radius of 1/8 in (0.13 in, 3.2 mm). Solder or other fllet material may be used to provide a minimum radius on the underside of roll-type covers.
5.12 Hinges
5.12.1 Hinges located in a food zone shall be easily cleanable while in place or shall be designed to be disassembled, without the use of tools, for routine cleaning. Hinges located in a splash zone shall be easily cleanable while in place or shall be designed to be disassembled (with or without the use of tools) for routine cleaning.
5.12.2 Continuous hinges shall not be used in a food zone.
5.12.3 Hinges on splash zone doors and covers weighing 80 Ib (36 kg) or more shall have no more than five knuckles in total per hinge set and shall have sealed joints and seams on the hinge body (except for seams at the pivot joint).
5.13.2 Gaskets shall be capable of being removed and reinstalled by hand or with the use of simple tools.Staples, pop rivets, nails, adhesives, and other similar items that cannot be reattached easily shall not be used to secure door gaskets.
5.13.3 Retaining grooves and other devices for holding readily removable gaskets shall be easily cleanable.
5.14 Shelving
5.14.1 Shelving shall be easily cleanable.
5.14.2 Readily removable shelves shall be sized to permit handling by one person. Shelves used as readily removable false bottoms shall have flanged corners that are closed or are sufficiently notched to permit cleaning (see figure 5).
5.14.3 Diverting shelves intended to prevent seepage or retain splashes and spills shall have sealed corners and seams. The back and end edges shall be turned up a minimum of 1.0 in (25 mm), and the corners and seams shall be sealed. Shelf surfaces exposed to unpackaged foods shall conform to 5.2 (see figure 6).
5.14.4 Where knock- down shelving is provided with a solid shelf, the seam between the leg and shelf shall be equal to or above the flood level of the shelf. If pressure cleaning is recommended for knock-down shelving, joints and seams shall be either sealed or accessible for cleaning, and shall be capable of being completely drained.