A-A-675A
3. SALIENT CHARACTERISTICS.
3.1 Construction.
3.1.1 General.
The cover and door assembly shall be designed to fit a standard 55 gallon metal drum. The assembly shall consist of a removable cover that can be securely attached to the drum. Shall have a door(s) that swing(s) inward independently which are hinged to the top door opening. The doors shall be designed to return to the completely closed position by spring action or any method chosen by the manufacturer. The word “PUSH” shall be embossed in the door, in letters 1 inch or more in height. The door or the door opening shall have attached door bumpers installed to reduce noise. The components shall be assembled using rivets, other hardware or welded at the manufacturer’s option.
All other design characteristics shall be at the option of the manufacturer unless specified herein or as required by the contract or purchase order.
3.2 Material. The material used in the fabrication of the cover and door assembly shall be formed from uncoated 0.0255 to 0.325 inch cold rolled sheet or carbon steel. Coated materials may be used providing the base material thickness stated herein is maintained.
3.3 Finish. All surfaces of the cover and door assembly shall be finished or treated as stated in the contract or order. The galvanized or zinc finishes shall be in accordance with ASTM A525, G60 minimum.
The painted finishes shall be as specified in the contract or order. The finish type or method used in the option of the manufacturer.
3.4 Workmanship. All cover and door assemblies shall be rigid, clean, and free from cracks, sharp pins or edges, and rust. Finish shall be free from lumps, blisters, grit, uncoated areas, gross, black or acid spots, flaking, peeling and foreign material. All welds, brazing or soldering shall not have any missing, unfused, broken, burned through areas, and shall be free from splatter, flash, pits, flux, and scale. All door(s) shall swing freely and close properly without fouling the door opening on all sides. There shall be no defects that affect appearance, function or serviceability.
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