Effects of a potential drop of a shipping cask, a waste container, and a bare fuel assembly during waste-handling operations; Yucca Mountain Site Characterization Project

Abstract

Scope i-2 1.3 Contents i-4 2.0 CASK AND CONTAINER DROPS DURING WASTE-HANDLING 2-i OPERATIONS 2.1 Assumptions 2-1 2.2 Description of Waste-Handling Operations 2-3 2.3 Estimate of Load Envelopes and Potential 2-6 Drop Heights 2.4 Areas and Equipment Subject to Potential 2-19 Potential Impacts and Ways of Mitigating these Impacts 3.0 DETERMINATION OF THE LIMITING DROP HEIGHT OF A 3-1 LOADED CONTAINER 3.1 Assumptions 3-1 3.2 Literature Search 3-2 3.3 Estimate of the Limiting Drop Height 3-6 4.0 ANALYSIS OF AN ACCIDENTAL DROP OF A TYPICAL BARE FUEL ASSEMBLY OR OF AN INDIVIDUAL FUEL PIN 4.1 Assumptions 4-I 4,2 Literature Search 4-1 4.3 Estimate of Energy Absorption by Various 4-7 Parts of the Fuel Assembly 4.4 Effect of Impact on Fuel Pins and Fuel Pellets 4-16