4  SPECIFIC PRINCIPLES TO COVER EXCEPTIONS AND ADDITIONS TO THE DESIGN, CONSTRUCTION AND CLEANING OF ALL BAKERY EQUIPMENT, AS DEFINED IN SECTION 3.

4.33  DESIGN REQUIREMENTS FOR PORTABLE INGREDIENT CONTAINERS

4.33.1 Definitions

4.33.1.1 The product zone includes all surfaces of any container exclusive of casters and mounting bolts.

4.33.2 Specific Design Requirements

4.33.2.1 All portable containers shall be equipped with covers and be easily cleanable.

4.33.2.2 Hinged covers of molded material shall be of one-piece construction or the hinge shall be of the simple, take-apart type and shall be so constructed that when taken apart no cracks or crevices exist. The covers shall be of the overlapping type and, if made of two or more parts, shall be designed with drip protectors. Hinged covers shall pivot outboard.

4.33.2.3 Caster or dolly assemblies, when provided for portable small batch and/or ingredient containers, shall be welded or sealed to the container, or be readily removable.

4.33.2.4 Containers designed for elevated dumping shall not be equipped with attached casters if, when raised, the casters are over the product zone.

4.33.2.5 Valves, when provided, shall be of a material and of internal design conforming to Section 3.1, and shall be completely drainable and accessible for cleaning.

4.33.2.6 Reinforcing ribs shall not form horizontal surfaces, and shall be external.

4.33.2.7 All rims, locking channels or angles shall be self-draining.

4.33.2.8 Dollies or carts, when provided with any of this equipment but not attached thereto, shall conform to the requirements of Section 4.24.