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Category:Slides and Viewgraphs
MONTHYEARML24212A3452024-07-30030 July 2024 August 1, 2024 Holtec Public Meeting Presentation on Potential Palisades Nuclear Plant Restart ML24193A0252024-07-11011 July 2024 NRC Presentation on Palisades Nuclear Plant Potential Reauthorization Scoping Meeting PNP 2024-023, Pre-Submittal Meeting Presentation - License Amendment Request to Approve the Biasi Critical Heat Flux (CHF) Correlation for Use with the Palisades Main Steam Line Break (MSLB) Analysis2024-05-0909 May 2024 Pre-Submittal Meeting Presentation - License Amendment Request to Approve the Biasi Critical Heat Flux (CHF) Correlation for Use with the Palisades Main Steam Line Break (MSLB) Analysis ML24116A2932024-04-29029 April 2024 Pre-Submittal Meeting on April 29, 2024 - Palisades Nuclear Plant Power Operations Quality Assurance Program Manual ML24036A1082024-02-0606 February 2024 Pre-submittal Meeting for Palisades Nuclear Plant Power Operations Technical Specifications Administrative Controls and Quality Assurance Program (Presentation) ML23334A1322023-12-0505 December 2023 Pre-submittal Meeting with Holtec for Palisades Nuclear Plant Power Operations Technical Specifications (Presentation) PNP 2023-026, Pre-Submittal Meeting Presentation - Palisades Nuclear Plant License Transfer Application to Support Resumption of Power Operations2023-09-28028 September 2023 Pre-Submittal Meeting Presentation - Palisades Nuclear Plant License Transfer Application to Support Resumption of Power Operations ML23235A1802023-08-29029 August 2023 Public Meeting 08/29/23 - Palisades Nuclear Plant - Return to Power Operations - Exemption to CFR 50.82(a)(2) ML23139A1922023-05-24024 May 2023 Slides for Public Meeting on 5/24/23 ML23075A3332023-03-16016 March 2023 Ts/Rg 1.33 V. 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NRC Public Webinar Independent Spent Fuel Storage Installation (ISFSI) at Nuclear Power Plants November 14, 2013 1
Welcome Anne Boland Acting Deputy Regional Administrator NRC RRegion i III 2
Introductions - NRC
- Jack Giessner, Acting Deputy Division Director, Division of Reactor Safety Safety, RIII
- Matthew Learn, Reactor Engineer, Division of N l Nuclear M Materials t i l S Safety, f t RIII (Presenter)
(P t )
- Robert Orlikowski Orlikowski, Chief Chief, Materials Control Control, ISFSI and Decommissioning Branch, Division of Nuclear Materials Safety, RIII 3
Meeting g Agenda g
- Overview of an Independent Spent Fuel Storage Installation (ISFSI)
- Future Communications - Palisades Specific
- Question and Answer (Q&A) Session
Overview - First S
Some Background B k d
- US nuclear reactors use uranium enriched fuel assemblies to produce the heat necessary to make electrical power
- Approximately every 18 - 24 months, roughly 1/3rd of the nuclear fuel assemblies are replaced
- The fuel removed from the reactor is called spent fuel and is required to be cooled after the reactor is shutdown because it still generates heat (called decay heat) 5
Decay Heat
- Fuel assemblies continue to produce heat after shutdown
- This heat is called decay heat
- Decay heat is a very small fraction of the heat produced when compared p p to the total heat produced by an operating reactor
- Decay heat gets smaller over time 6
Why y ISFSI?
- Methods M th d tto safely f l store t spentt nuclear l fuel f l include:
i l d
- Spent fuel pool
- Independent Spent Fuel Storage Installation (commonly called an ISFSI)
- Both methods are strictly regulated to ensure safety
- As a facility runs out of room in their spent fuel pool, the fuel is moved to an NRC licensed ISFSI 7
Picture of a Typical Spent Fuel P l Pool 8
What is an ISFSI?
9
ISFSI Pad 10
Dry y Cask
- Spent fuel f el assemblies are stored in a sealed metal canister
- Surrounded by a concrete wall 11
Location of ISFSIs 12
ISFSI Safety y
- An ISFSI requires an NRC approved license to operate
- NRC regulations establish the acceptable design, operational, ti l and d security it requirements i t th thatt an ISFSI must meet in order to ensure safety
- Each cask design is licensed and approved for use by the NRC
- NRC conducts inspections p during g a facilitys y dryy run and initial loading campaigns 13
ISFSI Safety Design Requirements
- Casks and concrete pads are designed to rigorous safety f t and d very high hi h quality lit standards t d d
- Spent fuel in casks is cooled by air without relying on electrical power (i.e. passive cooling)
- Casks are designed to ensure that the spent fuel always remains shutdown (subcritical)
- Casks and concrete pads are designed to withstand natural events such as tornados, earthquakes, flooding, fires, etc.
14
NRC Inspection & Oversight
- Inspections during pad construction, dry runs and initial loading of casks
- Periodic inspections by ISFSI experts
- Inspections of vendors design and fabrication p og a s programs
- Day-to-day Day to day oversight through NRC Resident Inspectors 15
Future NRC Communications for Palisades
- Licensee performance has improved
- Communications commensurate with NRC processes and significance
Questions?
17
Meeting g Closure Anne B A Boland l d Acting Deputy Regional Administrator NRC Region R i III 18
Meeting Contacts For Follow-up Questions - Contact the NRC Region III Office of Public Affairs:
Viktoria Mitlyng / Prema Chandrathil Tel: (630) 829-9500 OPA3@nrc.gov 19