The IAEA has developed an approach to retaining the serviceability of surveillance equipment at facilities that have previously installed analog video surveillance systems. These systems have provided good service in the past, but are centered on analog videotape recorders that have long since become obsolete and for which replacement components are no longer available or cost effective. Reliability and availability issues make it impractical to attempt to maintain these systems in their original configuration. Immediate replacement of these legacy systems with IAEA standard systems is also infeasible due to cost, the need for facility shutdown, and the normal period of negotiations. The Agency has therefore developed a phased approach to upgrading the safeguards systems at these facilities with no loss of service. This approach is unique in that it uses standard Agency components in non-standard ways to accomplish the objective. This approach replaces the failing legacy components with combinations of components from standard Agency systems while continuing to use those installed components that are not reaching end of life. These Agency components will later be reconfigured and used in the upgraded system as complete system replacement becomes feasible. Therefore, the investment in these components is not lost. This paper describes some of the approaches that the IAEA is considering to economically maintain video surveillance within these facilities.
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