Tetra Tech Advent personnel have experience providing engineering support for security upgrade projects related to compliance with the NRC’s Design Basis Threat (DBT) order, preparing 10 CFR 50.59 screens for assessing the impact of these upgrades on the existing unit, and providing necessary changes to the UFSAR and Physical Security Plan. Tetra Tech Advent currently provides personnel in two leadership positions on the IEEE Standard Working Group 3.2 responsible for maintaining and updating IEEE Std 692 (Security Systems for Nuclear Power Generating Stations).

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