A-A-52029
Dissimilar metals. Dissimilar metals shall not be used in intimate contact with each other unless protected against galvanic corrosion.
Identification of materials and finishes. The contractor shall identify the specific material, material finish or treatment for use with component or subcomponent, and shall make information available upon request to the contracting officer or designated representative.
Construction. The containers shall be constructed so as to be free of any recesses and voids in which contraband can be concealed or where moisture can accumulate. No part of the container (when empty) shall protrude beyond the outside surfaces of the corner fittings.
Doors. An obstructed door opening with minimum dimensions of 84 inches high and 221 inches wide shall be provided. Four equally sized doors shall be hung within the side of the container to provide access to the interior of the container. The doors shall be hinged together to make two pairs. Each pair shall be hinged to a corner post. Heavy duty hinge pins, recessed within the corner post shall be provided on each door allowing the door pair to open a minimum of 170 degrees. Steel hinges shall have corrosion resistant steel pins. Each door shall be provided with not less than two heavy-duty, handle operated cam locking devices with anti-rack provisions which through lever type action aid in releasing the door seal from the door frame. Each locking device handle must be capable of accepting a padlock a security seal. Means shall be provided to hold the doors or chafe the container when the doors are closed. The doors, when closed, shall be sealed in such a manner as to prevent moisture entry into the container. All moving parts of the door locking mechanism and door hinges shall be permanently lubricated.
Side walls and end walls. The steel side walls and end walls may be of the interior or exterior post type, corrugated or of smooth skin construction. The end walls and side walls shall withstand loading in accordance with ISO 1496/1 except each end wall shall withstand an internal loading equal to the full payload uniformly distributed over the surface of the end wall.
Floor. The floor shall be fabricated of marine grade hardwood. The floor shall be attached to the cross-members by countersunk fasteners, 1/4 inch minimum head diameter, either of the self-tapping screw type, or machine screws with self-locking nuts and shall be installed so that each head is 0 to 1/16 inch below the board surface and at least 1 inch from the board edge. Screws shall used on 10 inch centers on each cross member. The floor shall be installed to permit lateral variations in floor board width due to swelling. The floor shall be watertight. All wood components shall be chemically treated in accordance with the regulations as stated by the “Commonwealth of Australia Department of Health.” A data plate shall be affixed to the container indicating the immunization code used in the treating process.
Understructure. All cross-members shall be of the same configuration and strength and shall have a maximum center to center distance of 12 inches. After painting of the metal surfaces, the entire underside of the container floor, including cross-members, corner fittings, side rails, and end frame
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