December 2025

ORNL Report

ISSMS System Design Description, R1

By:
Forrester, Christina D; Dam, Allan S; Schultze, Michael S; Harter, Andrew G; Baldwin, Joseph C; Bass Jr, David A; Bowers, Peter W; Clonts, Lloyd G; Kirk, Jerry L; Keister, Justin D; Mann, Douglas A; Nogradi Jr, Paul S; St John, Simon P
Publication Date:
December 19, 2025

Abstract

This system design description (SDD) document records the developing design information for the integrated security and safety monitoring system (ISSMS) project. The purpose of the ISSMS is to develop a system for monitoring and reporting on safety and security parameters for US Department of Energy (DOE) spent nuclear fuel (SNF) and high-level radioactive waste (HLW) railcars.