Pressurized Water Reactor (PWR) Sump Blockage potential is addressed in Generic Safety Issue (GSI) 191, "Assessment of Debris Accumulation on PWR Sump Performance." A Loss of Coolant Accident (LOCA) or Main Steam Line Break can cause a significant amount of damage to equipment and materials near the location of the break. This type of high-energy break can rip away insulation, pulverize concrete, and create other types of miscellaneous debris particles. In the presence of a high-energy fluid, this debris can work its way down to the plant's emergency core cooling system (ECCS) suction strainers degrading their performance. Excessive head loss or blocked flow in ECCS systems downstream of the screens could take place. The end result may be a potential head loss issue for the ECCS system. To prevent this scenario, the Nuclear Regulatory Commission (NRC) is actively working to have plants quickly address this safety-related issue.
AREVA NP has brought together a team of proven companies to provide the solution you need:
- AREVA NP
- Alden Research Laboratory, Inc.
- Performance Contracting, Inc.
Our solutions are focused on achieving regulatory compliance and maximizing safety margins while enhancing your plant's reliability, minimizing impact on your outage schedules, and protecting your bottom line. Through the Team's joint efforts, we have the knowledge, workforce, and equipment to assess your situation, make effective recommendations, and implement the solution. We're focused on responsive results that you can count on.
