9225/B(U)F-96

Jul 17, 2015, 00:40 AM
MODEL NAC-LWT. A STEEL-ENCASED LEAD-SHIELDED SHIPPING CASK. THE CASK IS DESIGNED TO TRANSPORT ONE PWR ASSEMBLY OR TWO BWR ASSEMBLIES. IN ADDITION, THE CASK MAY BE USED TO TRANSPORT METALLIC FUEL RODS, MTR AND DIDO FUEL ASSEMBLIES AND PLATES, HIGH BURNUP PWR OR BWR RODS, TRIGA FUEL ELEMENTS, TRIGA FUEL CLUSTER RODS, GA IFM FUEL MATERIALS, TRITIUM-PRODUCING BURNABLE ABSORBER RODS (TPBARS), PULSTAR FUEL ELEMENTS, SPIRAL FUEL ASSEMBLIES AND MOATA FUEL PLATE BUNDLES, IRRADIATED AND CONTAMINATED SOLID FUEL ASSEMBLY STRUCTURAL OR REACTOR INTERNAL COMPONENT HARDWARE. THE OVERALL DIMENSIONS OF THE PACKAGE, WITH IMPACT LIMITERS, ARE 232 INCHES LONG BY 65 INCHES IN DIAMETER. THE CASK BODY IS APROXIMATELY 200 INCHES IN LENGTH AND 44 INCHES IS DIAMETER. THE CASK CAVITY IS 178 INCHES LONG AND 13.4 INCHES IN DIAMETER. THE VOLUME OF THE CAVITY IS APPROXIMATELY 14.5 CUBIC FEET. THE CASK BODY CONSISTS OF A 0.75 INCH THICK STAINLESS STEEL INNER SHELL, A 5.75-INCH-THICK LEAD GAMMA SHIELD, A 1.2 INCH THICK STAINLESS STEEL OUTER SHELL, AND A NEUTRON SHIELD TANK. THE INNER AND OUTER SHELLS ARE WELDED TO A 4-INCH-THICK STAINLESS STEEL BOTTOM END FORGING. THE CASK BOTTOM CONSISTS OF A 3-INCH-THICK, 20.75-INCH-DIAMETER LEAD DISK ENCLOSED BY A 3.5-INCH-THICK STAINLESS STEEL PLATE AND BOTTOM ENBD FORGING. THE CASK LID IS 11.3-INCH-THICK STAINLESS STEEL STEPPED DESIGN, SECURED TO A 14.25-INCH-THICK RING FORGING WITH TWELVE 1-INCH DIAMETER BOLTS. THE CASK SEAL IS A METALLIC O-RING. A SECOND TEFLON O-RING AND A TEST PORT ARE PROVIDED TO LEAK TEST THE SEAL. OTHER PENETRATIONS IN THE CASK CAVITY INCLUDE THE FILL AND DRAIN PORTS, WHICH ARE SEALED WITH PORT COVERS AND O-RINGS. THE NEUTRON SHIELD TANK CONSISTS OF A 0.24-INCH-THICK STAINLESS STEEL SHELL WITH 0.50-INCH-THICK END PLATES. THE NEUTRON SHIELD REGION IS 164 INCHES LONG AND 5 INCHES THICK. THE NEUTRON SHIELD TANK CONTAINS AN ETHYLENE GLYCOL/WATER SOLUTION THAT IS 1% BORON BY WEIGHT. THE CASK IS EQUIPPED WITH ALUMINUM HONEYCOMB IMPACT LIMITERS. THE TOP IMPACT LIMITER HAS AN OUTSIDE DIAMETER OF 65.25 INCHES AND A MAXIMUM THICKNESS OF 27.8 INCHES. THE BOTTOM IMPACT LIMITER HAS AN OUTSIDE DIAMETER OF 60.25 INCHES AND MAXIMUM THICKNESS OF 28.3 INCHES. BOTH IMPACT LIMITERS EXTEND 12 INCHES ALONG THE SIDE OF THE CASK BODY. THE MAXIMUM WEIGHT OF THE PACKAGE IS 52,000 POUNDS AND THE MAXIMUM WEIGHT OF THE CONTENTS AND BASKET IS 4,000 POUNDS.
Certificate no:
USA/9225/B(U)F-96
Package Type:
B
Historical Flag:
N
Doe Flag:
Y



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