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ANS‑3.14 standard offers a practical aging‑management template for nonreactor facilities
Summary
The American Nuclear Society described ANS‑3.14 to the DNFSB as a voluntary, consensus standard that scopes and screens systems, identifies degradation mechanisms and prescribes aging‑management program elements for nonreactor facilities; appendix B includes a risk‑prioritization approach adapted from Y‑12 practice.
At the DNFSB hearing, Todd Insomnia of the American Nuclear Society walked the Board through ANS‑3.14, a consensus standard published in 2021 that addresses aging management for nonreactor nuclear facilities. Insomnia said the standard focuses on three core steps: scoping and screening assets to identify those important to safety or mission; cataloguing likely degradation and aging mechanisms for those assets; and establishing an aging management program that sets monitoring frequency, condition‑based inspections, spare‑parts strategies and obsolescence planning.
The standard includes appendices with examples and an informational appendix B that ANS adapted from a Y‑12 extended‑life program; ANS and industry participants represented DOE sites, NRC and engineering societies in drafting the standard. ANS emphasized that consensus standards are voluntary but can be referenced or adopted by regulators and licensees to provide consistent, vetted practices that reduce implementation ambiguity.
ANS observers told the Board the standard is not a "one‑size‑fits‑all" regulatory shortcut but a practical toolkit for facilities and site programs seeking to move from ad hoc repairs toward documented, risk‑informed aging management.
