6574

MODEL 3-82B. THE PACKAGING CONSISTS OF A STEEL-LEAD-STEEL ANNULUS CASK FABRICATED IN THE FORM OF A RIGHT CYLINDER AND THREE DIFFERENT TYPES OF INNER CONTAINERS. THE SHIELDED CASK, CLOSED AT ONE END AND A LID CLOSURE AT THE OTHER, IS 66.25 INCHES IN DIAMETER BY 74.5 INCHES IN HEIGHT. THE CASK WALL CONSISTS OF A 3/8-INCH INNER STEEL SHELL, 3-3/4 INCHES OF LEAD SHIELDING, ONE-INCH OUTER STEEL SHELL, AND A STEEL FLANGE CONNECTING THE TWO SHELLS. THE CASK OUTER SHELL IS SURROUNDED BY A ONE-INCH LAYER OF INSULATING MATERIAL AND CANNED IN 11-GAUGE STEEL. THE LID, SEALED BY A SILICONE FLAT GASKET, IS BOLTED TO THE CASK BODY. A CYLINDRICAL SHIELD PLUG IS LOCATED IN THE CENTER OF THE CASK LID AND IS SEALED BY A SILICONE FLAT GASKET. LIFTING AND TIE-DOWN DEVICES ARE ATTACHED TO THE CASK BODY. IMPACT SKIRTS, CONSISTING OF REMOVABLE RINGS OF SHOCK ABSORBING FOAM, ARE ATTACHED TO THE ENDS OF THE CASK.