NRC backtracks on position involving freestanding cask stackup

摘要

Backtracking on an earlier position, NRC’s division of nspent fuel storage and transportation said June 30 that seis-nmic restraints may not be necessary to ensure the stability of nspent fuel dry storage systems during cask loading.nIn a June 30 letter to the Nuclear Energy Institute, SFST ndirector Vonna Ordaz said the licensing basis for the Holtec nInternational Hi-Storm 100 system “does not impose specific nrequirements for the freestanding stack-up configuration” nwhen loading is done using structures such as fuel handling nbuildings and cranes that are regulated under 10 CFR Part 50 nrules for reactor operations