Maintaining RIPB in commercial LWRs

September 29, 2022, 3:22PMNuclear NewsKent B. Welter

The new standard ANSI/ANS-30.3-2022, Light Water Reactor Risk-Informed, Performance-Based Design, has just been issued by the American Nuclear Society. Approved by the American National Standards Institute (ANSI) on July 21, 2022, the standard provides requirements for the incorporation of risk-informed, performance-based (RIPB) principles and methods into the nuclear safety design of commercial light water reactors. The process described in this standard establishes a minimum set of process requirements the designer must follow in order to meet the intent of this standard and appropriately combine deterministic, probabilistic, and performance-based methods during design development.

To continue reading, log in or create a free account!

Related Articles

Washington legislators look to nuclear

February 26, 2026, 7:19AMNuclear News

It has been an unusually busy week in the world of West Coast nuclear legislative momentum. In California, a bill is aiming to effectively repeal the state’s nuclear moratorium, while in...

Hanford exhaust stack demolished

February 24, 2026, 1:12PMNuclear News

The Department of Energy’s Office of Environmental Management recently announced that, with the help of contractor Central Plateau Cleanup Company, it has completed the safe demolition of...

Ward250 reactor rides cargo to Utah

February 18, 2026, 9:42AMNuclear News

A public-private partnership between the Departments of Defense and Energy and Valar Atomics marked a milestone over the weekend when Valar’s Ward250 microreactor was transported (without...