Difference between revisions of "NE-Wiki"

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EPRI's Program provides on-going research in methods and tools for conducting probabilistic risk assessments (PRAs). Working with experts around the globe, methods are improved by evaluating data and industry experience, developing applied research in numerical and logic modeling techniques, and developing new ways to apply PRAs in a risk-informed framework.
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{{DISPLAYTITLE:Nuclear Engineering and Plant Performance Wikis}}
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'''''[[#Record of Revisions|Revision 10]]
  
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Basic information on PRAs as applied throughout the industry is available in the links below.  
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Welcome to the central link to the wiki pages available from EPRI's Nuclear Engineering and Plant Performance Department.
  
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The Sample Wiki is currently only available to EPRI members or members of the EPRI Risk and Safety Management (RSM) program.
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EPRI's Nuclear Engineering and Plant Performance Department is comprised of three research programs:
  
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* [https://membercenter.epri.com/programs/117997 Plant Reliability and Resilience (PRR) Program] - provides research supporting reliable and resilient operations of components, systems, and the nuclear plant, as a whole.  This work covers mechanical, electrical, and I&C and addresses maintenance, engineering, and programmatic guidance and best practices.
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* [https://membercenter.epri.com/programs/06117 Risk and Safety Management (RSM) Program] - provides research addressing Probabilistic Risk Analysis (PRA/PSA), External Hazards, and Thermal-Hydraulic applications for nuclear plants.
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* Operating Plant Initiatives (OPI) - includes major project initiatives that the plant may undertake during plant life such as Plant Modernization, Longterm Operations (LTO), and Power Uprates (PUR).
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Links to individual wikis developed by each of these programs are provides below.  The [[Search | search function]] above can be used to search across all of these wikis.
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=Plant Reliability and Resilience (PRR)=
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The reliability and resilience of plant systems and components is critical to the safe and effective operation of all nuclear plants. The Plant Reliability and Resilience (PRR) Program encompasses a diverse set of research activities related to the mechanical, electrical, and instrumentation and control components and systems in use at nuclear power plants, along with the maintenance and engineering processes and programs that manage this equipment. As of 2024, EPRI’s Plant Reliability and Resilience Program includes all the research formally delivered by EPRI’s Nuclear Maintenance Application Center (NMAC), Plant Engineering (PE) Program, and Instrumentation and Control (I&C) Program and can be categorized into:
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* PRR - Nuclear Maintenance / Active Components
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* PRR - Balance of Plant (BOP) / Passive Components
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* PRR - Electrical
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* PRR - Instrumentation and Control (I&C)
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* PRR - Equipment Reliability (ER) and Related Processes
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* PRR - Procurement Processes
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=PRR - Nuclear Maintenance / Active Components=
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<div class="container" id="homediv" style="margin-top: 5px;">
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<div class="fixed">
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<div>
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[[Image:NMAC_3D.jpg|link=https://nmac.epri.com/index.php/NMAC/3D_Applications]]
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</div>
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<p class="homelabel">
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'''[https://nmac.epri.com/index.php/NMAC/3D_Applications Component 3D Applications]'''</p>
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Access: Member Only
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EPRI 3D applications demonstrate the disassembly, reassembly, inspection and operation of specific power plant components.  The applications consist of single mode or dual mode meaning they can be executed as a desktop application on a desktop/laptop computer and/or as a virtual reality (VR) application using a VR head-mounted display (HMD), such as the HTC VIVE.
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<br><br>
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<p class="readmore>
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[https://nmac.epri.com/index.php/NMAC/3D_Applications Read More]
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</p>
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</div>
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<div class="fixed">
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<div>
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[[Image:NMAC_Valves.jpg|link=https://nmac.epri.com/index.php/NMAC/Valves]]
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</div>
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<p class="homelabel">
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'''[https://nmac.epri.com/index.php/NMAC/Valves Valves]'''</p>
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Access: Member Only
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The Valve wiki provides basic entry level information related to common valve and actuators found in the nuclear industry.  Descriptions are provided within as well as basic design and maintenance related information.  EPRI technical reports are referenced within and include live links for quick access downloads. 
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<p class="readmore>
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[https://nmac.epri.com/index.php/NMAC/Valves Read More]
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</p>
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</div>
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<div class="fixed">
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<div>
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[[Image:NMAC_Terry_Turbines.jpg|link=https://nmac.epri.com/index.php/NMAC/Terry_Turbines]]
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</div>
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<p class="homelabel">
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'''[https://nmac.epri.com/index.php/NMAC/Terry_Turbines Terry Turbines]'''</p>
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Access: Member Only
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Terry turbines used in the Reactor Core Isolation Cooling (RCIC) and Auxiliary Feedwater (AFW) systems are covered in this wiki. Basic system level information and turbine specific information is discussed.  EPRI reports are referenced and live linked when appropriate. 
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<p class="readmore>
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[https://nmac.epri.com/index.php/NMAC/Terry_Turbines Read More]
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</p>
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</div>
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</div>
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<div class="container" id="homediv" style="margin-top: 5px;">
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<div class="fixed">
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<div style="text-align:left">
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[[Image:NMAC_MWM_2.jpg|link=https://nmac.epri.com/index.php/NMAC/Mobile_Work_Management]]
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</div>
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<p class="homelabel">
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'''[https://nmac.epri.com/index.php/NMAC/Mobile_Work_Management Mobile Work Management]'''</p>
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Access: Member Only
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Electronic work packages (eWPs) have become a primary innovation vehicle for integrating work activities with basic plant workflow process and information systems currently used in the work management process. The EPRI NMAC recognizes the potential benefits that eWPs can provide and has promoted industry collaboration to drive this initiative since 2013.  This Wiki site was created to assist utilities with technical content needed to drive eWP success at the site.
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<br><br>
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<p class="readmore>
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[https://nmac.epri.com/index.php/NMAC/Mobile_Work_Management Read More]
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</p>
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</div>
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<div class="fixed">
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<div>
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[[Image:Flex_Graphic.jpg|link=https://nmac.epri.com/index.php/NMAC/FLEX]]
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</div>
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<p class="homelabel">
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'''[https://nmac.epri.com/index.php/NMAC/FLEX FLEX/Portable Equipment]'''</p>
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Access: Member Only
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The purpose of this wiki is to gather all the FLEX/portable equipment related documents into one easily accessible location for members who have interest/responsibility in/for FLEX/portable equipment . This wiki is the storage location for past Instant Benchmarking Requests (IBRs), industry best practice documents and anything else generated by the FLEX Industry Working Group.
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<br><br>
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<p class="readmore>
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[https://nmac.epri.com/index.php/NMAC/FLEX Read More]
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</p>
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</div>
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<div class="fixed">
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<div>
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[[Image:CBM_Graphic.jpg|link=https://nmac.epri.com/index.php/NMAC/CBM]]
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</div>
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<p class="homelabel">
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'''[https://nmac.epri.com/index.php/NMAC/CBM Condition Based Maintenance]'''</p>
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Access: Member Only
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The CBM Wiki is a comprehensive page for all Condition Based Maintenance (CBM) technologies with focus on Acoustics, Infrared, Lubrication, and Vibration technologies.  CBM stories such as Lube Notes, Vibe Notes and others are excellent sources of case histories and provide technical references for solving practical plant/industry issues.  Links to active EPRI reports are included as well as past meeting proceedings and materials. 
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<br><br>
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<p class="readmore>
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[https://nmac.epri.com/index.php/NMAC/CBM Read More]
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</p>
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</div>
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</div>
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=PRR - Balance of Plant (BOP) / Passive Components=
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<div class="container" id="homediv">
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<div class="fixed">
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<div>
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[[Image:Selective_Leaching_Image.jpg|link=https://selectiveleaching.epri.com|676px]]
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</div>
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<p class="homelabel">
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'''[https://selectiveleaching.epri.com Selective Leaching Wiki]'''</p>
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Access: Member Only
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This Wiki provides a consolidated source of information related to the topic of selective leaching degradation. Summarized information associated with this degradation mechanism, as well as NDE techniques, are included within. References and links are also provided to relevant EPRI research reports, as well as past EPRI meeting materials associated with the topic.
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<p class="readmore>
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[https://selectiveleaching.epri.com Read More]
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</p>
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</div>
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<div class="fixed">
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<div>
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[[Image:Condenser_Wiki.png|link=https://condenser.epri.com/Main_Condenser_Overview]]
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</div>
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<p class="homelabel">
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'''[https://condenser.epri.com/Main_Condenser_Overview Condenser Wiki Site]'''</p>
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Access: Member Only
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The Condenser Wiki Site contains content from the Comprehensive Condenser Resource, Main Condenser Integrity Assessment Guide, and Condenser Application and Maintenance Guide, along with material from pertinent heat exchanger references.  The material is organized by topic and enable users with a single, searchable, and easily accessible site dedicated to the topics of the main condenser. Because the Condenser Wiki is updated when new research or experience is available, the site should be beneficial for indoctrination of newer engineers and scientists as well as a resource for experienced professionals.
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<br><br>
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<p class="readmore>
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[https://condenser.epri.com/Main_Condenser_Overview Read More]
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</p>
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</div>
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</div>
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=PRR - Electrical=
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<div class="container" id="homediv">
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<div class="fixed">
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<div>
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[[Image:PEER_Cable.png|link=https://peer.epri.com/Cable_Aging]]
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</div>
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<p class="homelabel">
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'''[https://peer.epri.com/Cable_Aging PEER Cable Aging]'''</p>
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Access: Member Only
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The PEER Cable Aging Wiki covers selected content from Instrument Cable, Low Voltage Power & Control Cable, and Medium Voltage Insulations Cable Polymer Handbooks, including Industry Background and History, Basic Cable Structure, Materials Used, Installation Process, Degradation Mechanisms, and Walkdown Inspections.
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<p class="readmore>
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[https://peer.epri.com/Cable_Aging Read More]
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</p>
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</div>
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</div>
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=PRR - Instrumentation and Control (I&C)=
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<div class="container" id="homediv">
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<div class="fixed">
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<div>
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[[Image:Icwiki.jpg|link=https://icwiki.epri.com]]
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</div>
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<p class="homelabel">
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'''[https://icwiki.epri.com I&C Wiki]'''</p>
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Access: Public
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Facilitates access and knowledge transfer by housing information relating technical topics within the PRR - Instrumentation and Control (I&C) area. It is intended to be an informative resource that is updated continuously with new information produced or managed by EPRI.
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<p class="readmore>
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[https://icwiki.epri.com Read More]
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</p>
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</div>
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</div>
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=PRR - Equipment Reliability (ER) and Related Processes=
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<div class="container" id="homediv">
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<div class="fixed">
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<div>
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[[Image:MRUG.png|link=https://pr.epri.com/PR/MRUG]]
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</div>
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<p class="homelabel">
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'''[https://pr.epri.com/PR/MRUG Maintenance Rule User's Group (MRUG)]'''</p>
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Access: Member Only
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The purpose of this wiki is to gather all the MRUG meeting materials and member surveys into one easily accessible location for members. This wiki page will store past member benchmarking surveys and meeting material generated for the semi-annual MRUG meetings. Documents and other materials produced by the MRUG will be summarized within this Wiki and links will be provided from this page. This page is also intended to complement EPRI's [https://msites.epri.com/ms/research/065755/mrug Maintenance Rule User's Group Page] and [https://collab.epri.com/group/186/stream Collaboration] pages.
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<br><br>
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<p class="readmore>
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[https://pr.epri.com/PR/MRUG Read More]
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</p>
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</div>
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<div class="fixed">
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<div>
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[[Image:ERWG.png|link=https://pr.epri.com/PR/ERWG]]
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</div>
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<p class="homelabel">
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'''[https://pr.epri.com/PR/ERWG Equipment Reliability Working Group (ERWG)]'''</p>
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Access: Member Only
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The purpose of this wiki is to gather all the Equipment Reliability Working Group (ERWG) meeting materials and member surveys into one easily accessible location for members. This wiki page will store past member benchmarking surveys and meeting material generated for the semi-annual ERWG meetings.
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<p class="readmore>
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[https://pr.epri.com/PR/ERWG Read More]
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</p>
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</div>
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<div class="fixed">
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<div>
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[[Image:SPV.png|link=https://pr.epri.com/PR/SPV|676px]]
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</div>
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<p class="homelabel">
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'''[https://pr.epri.com/PR/SPV Single Point Vulnerability (SPV)]'''</p>
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Access: Member Only
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This wiki is based on EPRI Report 3002029784, Single-Point Vulnerability Process Guide, Revision 2 and provides the detailed steps needed to develop, implement, and maintain an SPV program. A comprehensive SPV program will ensure that SPVs are identified and dispositioned appropriately to reduce the likelihood of an unplanned reactor scrams.
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<p class="readmore>
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[https://pr.epri.com/PR/SPV Read More]
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</p>
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</div>
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</div>
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=PRR - Nuclear Procurement Processes=
 
<div class="container" id="homediv">
 
<div class="container" id="homediv">
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<div class="fixed">
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<div>
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[[Image:EPIC_Wiki_Image.jpg|link=https://epic.epri.com]]
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</div>
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<p class="homelabel">
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'''[https://epic.epri.com/EPIC_Home EPRI Procurement Information Center (EPIC)]'''</p>
 +
Access: Member Only
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 +
EPIC contains technical information related to nuclear procurement and supply chain, research focus areas within the Nuclear Plant Engineering Program at EPRI. It’s organized by major activities in the procurement process. The activity-specific pages provide brief descriptions of each activity as well as links to EPRI guidance and training that is available for performing the activity, industry surveys relating to the activity, and related presentations that have been given at past JUTG meetings.
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<br><br>
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<p class="readmore>
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[https://epic.epri.com/EPIC_Home Read More]
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</p>
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</div>
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</div>
  
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=Risk and Safety Management (RSM)=
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<div class="container" id="homediv" style="margin-top: 5px;">
 
<div class="fixed">
 
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[[Image:5.PNG]]
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[[Image:PRA_Applications.png|link=https://pra-apps.epri.com]]
 
</div>
 
</div>
 
<p class="homelabel">
 
<p class="homelabel">
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'''[http://pra-apps.epri.com Sample Wiki1]'''</p>
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'''[https://pra-apps.epri.com PRA Applications]'''</p>
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The Sample Wiki provides an introduction to the wide applications of PRA in the nuclear industry. This serves the needs of the global PRA community, providing a clear description, purpose, and rationale for each application. Both voluntary and regulatory Sample are described and this overview distinguishes those that require license-basis changes. References to more technical information provide a resource to expand your knowledge further.
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Access: Member Only
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 +
The PRA Applications Wiki provides an introduction to the wide applications of PRA in the nuclear industry. This serves the needs of the global PRA community, providing a clear description, purpose, and rationale for each application. Both voluntary and regulatory PRA applications are described and this overview distinguishes those that require license-basis changes. References to more technical information provide a resource to expand your knowledge further.
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<p class="readmore>
 
<p class="readmore>
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[http://pra-apps.epri.com Read More]
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[https://pra-apps.epri.com Read More]
 
</p>
 
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[[Image:2.png]]
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[[Image:PraFIRE.png|link=https://firepra.epri.com]]
 
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</div>
 
<p class="homelabel">
 
<p class="homelabel">
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'''[http://firepra.epri.com Sample Wiki2]'''</p>
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'''[https://firepra.epri.com/index.php?title=Fire_PRA_Methodology Fire PRA]'''</p>
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Access: Public
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The Fire PRA Wiki summarizes a structured framework for the conduct of a Fire PRA analysis. This supports your fire risk analysis team by providing an introduction to EPRI 1011989 / NUREG/CR-6850, updated with the latest information. The methodology addresses a Fire PRA that focuses on a Level 1 PRA (Core Damage Frequency) with consideration of Large Early Release Frequency. Additional references to specific recommended practices are provided, which address each key aspect of the analysis.
 
The Fire PRA Wiki summarizes a structured framework for the conduct of a Fire PRA analysis. This supports your fire risk analysis team by providing an introduction to EPRI 1011989 / NUREG/CR-6850, updated with the latest information. The methodology addresses a Fire PRA that focuses on a Level 1 PRA (Core Damage Frequency) with consideration of Large Early Release Frequency. Additional references to specific recommended practices are provided, which address each key aspect of the analysis.
 
<br><br>
 
<br><br>
 
<p class="readmore>
 
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[http://firepra.epri.com Read More]
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[https://firepra.epri.com/index.php?title=Fire_PRA_Methodology Read More]
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</p>
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</div>
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[[Image:pra3.png|link=https://pra-ndm.epri.com]]
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<p class="homelabel">
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'''[https://pra-ndm.epri.com/  PRA Newly Developed Methods Wiki]'''</p>
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Access: Public
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 +
With the issuance of Regulatory Guide 1.200, Revision 3 the US Nuclear Regulatory Commission (NRC) endorsed the concept of a “Newly Developed Method (NDM)” for use in Probabilistic Risk Assessments (PRAs). This Wiki shares information from previous evaluations within the industry specifically that have been provided to EPRI for inclusion in the Wiki. These evaluations of interest are those related to whether a PRA method is considered an NDM, and whether an NDM Peer review has been conducted to determine the technical adequacy of the method for inclusion in risk applications as necessary.
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<p class="readmore>
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[https://pra-ndm.epri.com Read More]
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</p>
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[[Image:Earthquake-3167693_1280.jpg|link=https://seismicpra.epri.com/Seismic_PRA]]
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<p class="homelabel">
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'''[https://seismicpra.epri.com/Seismic_PRA Seismic PRA]'''</p>
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Access: Public
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 +
The seismic probabilistic risk assessment (SPRA) Wiki summarizes a structured framework for the conduct of an SPRA analysis. This wiki is intended to serve the needs of a seismic risk analysis team by describing a structured framework for conduct of the overall analysis, as well as providing references to specific recommended practices to address each key aspect of the analysis.  The wiki provides overall guidance, with an emphasis on seismic hazard analysis, SPRA systems analysis, equipment list development, fragility guidance, human reliability analysis, and model development and quantification.
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<p class="readmore>
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[https://seismicpra.epri.com/Seismic_PRA Read More]
 
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[[Image:pra4.png|link=https://highwindpra.epri.com]]
 
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'''[http://pra-apps.epri.com Sample Wiki3]'''</p>
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'''[https://highwindpra.epri.com High Wind PRA]'''</p>
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The Wiki provides an introduction to the wide applications of PRA in the nuclear industry. This serves the needs of the global PRA community, providing a clear description, purpose, and rationale for each application.  Both voluntary and regulatory Sample are described and this overview distinguishes those that require license-basis changes. References to more technical information provide a resource to expand your knowledge further.
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Access: Member Only
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The EPRI High Winds (HW) Wiki lists relevant regulatory and methodological history of high wind risk analysis for nuclear power plants and provides references to relevant documents. This wiki is intended to be further developed to serve the needs of an HW risk analysis team by describing a structured framework for conduct of the overall analysis, as well as providing references to specific recommended practices to address each key aspect of the analysis.
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[http://pra-apps.epri.com Read More]
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[https://highwindpra.epri.com/ Read More]
 
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[[Image:praguidance.jpg|link=https://praguidance.epri.com]]
 
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'''[http://pra-apps.epri.com Sample Wiki4]'''</p>
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'''[https://praguidance.epri.com PRA Software Guidance]'''</p>
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The Wiki provides an introduction to the wide applications of PRA in the nuclear industry. This serves the needs of the global PRA community, providing a clear description, purpose, and rationale for each application.  Both voluntary and regulatory Sample are described and this overview distinguishes those that require license-basis changes. References to more technical information provide a resource to expand your knowledge further.
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Access: Member Only
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 +
This PRA Software Guidance wiki provides recommendations and guidance for using the EPRI PRA software. The EPRI software is designed to be very flexible to support a variety of research in the creating and applying PRA models. In many cases, this diverse set of features can be confusing or can lead to creation of models that cause problems in subsequent applications. Although there is rarely a "best way" to create a PRA model, some techniques will make the software more efficient or enable certain features. This wiki is designed to share these insights with the users.
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[http://pra-apps.epri.com Read More]
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[https://praguidance.epri.com Read More]
 
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'''[http://pra-apps.epri.com Sample Wiki5]'''</p>
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'''[https://pramethods.epri.com PRA Methods]'''</p>
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The Wiki provides an introduction to the wide applications of PRA in the nuclear industry. This serves the needs of the global PRA community, providing a clear description, purpose, and rationale for each application.  Both voluntary and regulatory Sample are described and this overview distinguishes those that require license-basis changes. References to more technical information provide a resource to expand your knowledge further.
+
Access: Public and Member
 +
 
 +
Knowledge of the methods used in in the U.S. nuclear industry is in many cases distributed amongst different entities with various degrees of information availability and communication. This wiki provides a centralized, publicly available industry catalog for PRA methods in use.
 +
 
 
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[http://pra-apps.epri.com Read More]
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[https://pramethods.epri.com Read More]
 
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'''[http://pra-apps.epri.com Sample Wiki6]'''</p>
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'''[https://ramtar.epri.com Risk Analysis Methods and Tools for Advanced Reactors (RAMTAR)]'''</p>
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The Wiki provides an introduction to the wide applications of PRA in the nuclear industry. This serves the needs of the global PRA community, providing a clear description, purpose, and rationale for each application.  Both voluntary and regulatory Sample are described and this overview distinguishes those that require license-basis changes. References to more technical information provide a resource to expand your knowledge further.
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Access: Public
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Outlines past, present, and future research for advanced reactors by describing a wide range of risk analysis methods and tools that are applicable to various reactor designs, as well as providing references regulations, guidance, and research projects.
 
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=Plant Modernization=
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'''[http://pra-apps.epri.com Sample Wiki7]'''</p>
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'''[https://nuclearplantmod.epri.com Plant Modernization Toolkit]'''</p>
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The Wiki provides an introduction to the wide applications of PRA in the nuclear industry. This serves the needs of the global PRA community, providing a clear description, purpose, and rationale for each application.  Both voluntary and regulatory Sample are described and this overview distinguishes those that require license-basis changes. References to more technical information provide a resource to expand your knowledge further.
+
Access: Member Only
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The Plant Modernization Toolbox is meant to be a resource to facilitate decision making and execution of the modernization process at nuclear power plants (NPPs). The Toolbox includes a variety of tools and aids to assist NPPs to identify and evaluate cost savings from technology and process improvements.  
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[https://dx-wiki.epri.com/DX Read More]
 
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'''[http://pra-apps.epri.com Sample Wiki8]'''</p>
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'''[https://dx-wiki.epri.com/DX Digital Transformation Wiki]'''</p>
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The Wiki provides an introduction to the wide applications of PRA in the nuclear industry. This serves the needs of the global PRA community, providing a clear description, purpose, and rationale for each application.  Both voluntary and regulatory Sample are described and this overview distinguishes those that require license-basis changes. References to more technical information provide a resource to expand your knowledge further.
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Access: Member Only
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EPRI’s Digital transformation Wiki was created for the purpose of having a centralized repository to link all of the research that EPRI does related to this topic.
 
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[http://pra-apps.epri.com Read More]
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Additional information is available in a wide range of EPRI technical reports at '''https://www.epri.com/research/programs/061177'''.
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=Record of Revisions=
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{| class="wikitable" style="text-align: left;"
 +
!Number !! Date !! Description of Changes
 +
|-
 +
|0 || 7/27/2021 || Initial Release
 +
|-
 +
|1 || 12/10/2021 || Added PRA-NDM, NMAC-CBM, NMAC-FLEX
 +
|-
 +
|2 || 4/1/2022 || Selective Leaching Added
 +
|-
 +
|3 || 11/28/2022 || Condenser Wiki Added
 +
|-
 +
|4 || 11/28/2022 || Seismic PRA Wiki Added
 +
|-
 +
|5 || 4/27/2023 || Plant Reliability and Resilience, MRUG, ERWG Added
 +
|-
 +
|6 || 8/22/2023 || SPV Added
 +
|-
 +
|7 || 12/12/2023 || High Wind PRA and PRA Software Guidance Added
 +
|-
 +
|8 || 12/20/2023 || Editorial revisions to reflect PRR  and Plant Modernization Program structures
 +
|-
 +
|9 || 7/26/2024 || RAMTAR Added
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|-
 +
|10 || 8/6/2024 || I&C Wiki Added
 +
|}

Latest revision as of 11:10, 23 August 2024

Revision 10

Welcome to the central link to the wiki pages available from EPRI's Nuclear Engineering and Plant Performance Department.

EPRI's Nuclear Engineering and Plant Performance Department is comprised of three research programs:

  • Plant Reliability and Resilience (PRR) Program - provides research supporting reliable and resilient operations of components, systems, and the nuclear plant, as a whole. This work covers mechanical, electrical, and I&C and addresses maintenance, engineering, and programmatic guidance and best practices.
  • Operating Plant Initiatives (OPI) - includes major project initiatives that the plant may undertake during plant life such as Plant Modernization, Longterm Operations (LTO), and Power Uprates (PUR).

Links to individual wikis developed by each of these programs are provides below. The search function above can be used to search across all of these wikis.

Plant Reliability and Resilience (PRR)

The reliability and resilience of plant systems and components is critical to the safe and effective operation of all nuclear plants. The Plant Reliability and Resilience (PRR) Program encompasses a diverse set of research activities related to the mechanical, electrical, and instrumentation and control components and systems in use at nuclear power plants, along with the maintenance and engineering processes and programs that manage this equipment. As of 2024, EPRI’s Plant Reliability and Resilience Program includes all the research formally delivered by EPRI’s Nuclear Maintenance Application Center (NMAC), Plant Engineering (PE) Program, and Instrumentation and Control (I&C) Program and can be categorized into:

  • PRR - Nuclear Maintenance / Active Components
  • PRR - Balance of Plant (BOP) / Passive Components
  • PRR - Electrical
  • PRR - Instrumentation and Control (I&C)
  • PRR - Equipment Reliability (ER) and Related Processes
  • PRR - Procurement Processes

PRR - Nuclear Maintenance / Active Components

NMAC 3D.jpg

Component 3D Applications

Access: Member Only

EPRI 3D applications demonstrate the disassembly, reassembly, inspection and operation of specific power plant components. The applications consist of single mode or dual mode meaning they can be executed as a desktop application on a desktop/laptop computer and/or as a virtual reality (VR) application using a VR head-mounted display (HMD), such as the HTC VIVE.

Read More

NMAC Valves.jpg

Valves

Access: Member Only

The Valve wiki provides basic entry level information related to common valve and actuators found in the nuclear industry. Descriptions are provided within as well as basic design and maintenance related information. EPRI technical reports are referenced within and include live links for quick access downloads.

Read More

NMAC Terry Turbines.jpg

Terry Turbines

Access: Member Only

Terry turbines used in the Reactor Core Isolation Cooling (RCIC) and Auxiliary Feedwater (AFW) systems are covered in this wiki. Basic system level information and turbine specific information is discussed. EPRI reports are referenced and live linked when appropriate.

Read More

NMAC MWM 2.jpg

Mobile Work Management

Access: Member Only

Electronic work packages (eWPs) have become a primary innovation vehicle for integrating work activities with basic plant workflow process and information systems currently used in the work management process. The EPRI NMAC recognizes the potential benefits that eWPs can provide and has promoted industry collaboration to drive this initiative since 2013. This Wiki site was created to assist utilities with technical content needed to drive eWP success at the site.

Read More

Flex Graphic.jpg

FLEX/Portable Equipment

Access: Member Only

The purpose of this wiki is to gather all the FLEX/portable equipment related documents into one easily accessible location for members who have interest/responsibility in/for FLEX/portable equipment . This wiki is the storage location for past Instant Benchmarking Requests (IBRs), industry best practice documents and anything else generated by the FLEX Industry Working Group.

Read More

CBM Graphic.jpg

Condition Based Maintenance

Access: Member Only

The CBM Wiki is a comprehensive page for all Condition Based Maintenance (CBM) technologies with focus on Acoustics, Infrared, Lubrication, and Vibration technologies. CBM stories such as Lube Notes, Vibe Notes and others are excellent sources of case histories and provide technical references for solving practical plant/industry issues. Links to active EPRI reports are included as well as past meeting proceedings and materials.

Read More


PRR - Balance of Plant (BOP) / Passive Components

Selective Leaching Image.jpg

Selective Leaching Wiki

Access: Member Only

This Wiki provides a consolidated source of information related to the topic of selective leaching degradation. Summarized information associated with this degradation mechanism, as well as NDE techniques, are included within. References and links are also provided to relevant EPRI research reports, as well as past EPRI meeting materials associated with the topic.

Read More

Condenser Wiki.png

Condenser Wiki Site

Access: Member Only

The Condenser Wiki Site contains content from the Comprehensive Condenser Resource, Main Condenser Integrity Assessment Guide, and Condenser Application and Maintenance Guide, along with material from pertinent heat exchanger references. The material is organized by topic and enable users with a single, searchable, and easily accessible site dedicated to the topics of the main condenser. Because the Condenser Wiki is updated when new research or experience is available, the site should be beneficial for indoctrination of newer engineers and scientists as well as a resource for experienced professionals.

Read More


PRR - Electrical

PEER Cable.png

PEER Cable Aging

Access: Member Only

The PEER Cable Aging Wiki covers selected content from Instrument Cable, Low Voltage Power & Control Cable, and Medium Voltage Insulations Cable Polymer Handbooks, including Industry Background and History, Basic Cable Structure, Materials Used, Installation Process, Degradation Mechanisms, and Walkdown Inspections.

Read More


PRR - Instrumentation and Control (I&C)

Icwiki.jpg

I&C Wiki

Access: Public

Facilitates access and knowledge transfer by housing information relating technical topics within the PRR - Instrumentation and Control (I&C) area. It is intended to be an informative resource that is updated continuously with new information produced or managed by EPRI.

Read More


PRR - Equipment Reliability (ER) and Related Processes

MRUG.png

Maintenance Rule User's Group (MRUG)

Access: Member Only

The purpose of this wiki is to gather all the MRUG meeting materials and member surveys into one easily accessible location for members. This wiki page will store past member benchmarking surveys and meeting material generated for the semi-annual MRUG meetings. Documents and other materials produced by the MRUG will be summarized within this Wiki and links will be provided from this page. This page is also intended to complement EPRI's Maintenance Rule User's Group Page and Collaboration pages.

Read More

ERWG.png

Equipment Reliability Working Group (ERWG)

Access: Member Only

The purpose of this wiki is to gather all the Equipment Reliability Working Group (ERWG) meeting materials and member surveys into one easily accessible location for members. This wiki page will store past member benchmarking surveys and meeting material generated for the semi-annual ERWG meetings.

Read More

SPV.png

Single Point Vulnerability (SPV)

Access: Member Only

This wiki is based on EPRI Report 3002029784, Single-Point Vulnerability Process Guide, Revision 2 and provides the detailed steps needed to develop, implement, and maintain an SPV program. A comprehensive SPV program will ensure that SPVs are identified and dispositioned appropriately to reduce the likelihood of an unplanned reactor scrams.

Read More


PRR - Nuclear Procurement Processes

EPIC Wiki Image.jpg

EPRI Procurement Information Center (EPIC)

Access: Member Only

EPIC contains technical information related to nuclear procurement and supply chain, research focus areas within the Nuclear Plant Engineering Program at EPRI. It’s organized by major activities in the procurement process. The activity-specific pages provide brief descriptions of each activity as well as links to EPRI guidance and training that is available for performing the activity, industry surveys relating to the activity, and related presentations that have been given at past JUTG meetings.

Read More


Risk and Safety Management (RSM)

PRA Applications.png

PRA Applications

Access: Member Only

The PRA Applications Wiki provides an introduction to the wide applications of PRA in the nuclear industry. This serves the needs of the global PRA community, providing a clear description, purpose, and rationale for each application. Both voluntary and regulatory PRA applications are described and this overview distinguishes those that require license-basis changes. References to more technical information provide a resource to expand your knowledge further.

Read More

PraFIRE.png

Fire PRA

Access: Public

The Fire PRA Wiki summarizes a structured framework for the conduct of a Fire PRA analysis. This supports your fire risk analysis team by providing an introduction to EPRI 1011989 / NUREG/CR-6850, updated with the latest information. The methodology addresses a Fire PRA that focuses on a Level 1 PRA (Core Damage Frequency) with consideration of Large Early Release Frequency. Additional references to specific recommended practices are provided, which address each key aspect of the analysis.

Read More

Pra3.png

PRA Newly Developed Methods Wiki

Access: Public

With the issuance of Regulatory Guide 1.200, Revision 3 the US Nuclear Regulatory Commission (NRC) endorsed the concept of a “Newly Developed Method (NDM)” for use in Probabilistic Risk Assessments (PRAs). This Wiki shares information from previous evaluations within the industry specifically that have been provided to EPRI for inclusion in the Wiki. These evaluations of interest are those related to whether a PRA method is considered an NDM, and whether an NDM Peer review has been conducted to determine the technical adequacy of the method for inclusion in risk applications as necessary.

Read More

Earthquake-3167693 1280.jpg

Seismic PRA

Access: Public

The seismic probabilistic risk assessment (SPRA) Wiki summarizes a structured framework for the conduct of an SPRA analysis. This wiki is intended to serve the needs of a seismic risk analysis team by describing a structured framework for conduct of the overall analysis, as well as providing references to specific recommended practices to address each key aspect of the analysis. The wiki provides overall guidance, with an emphasis on seismic hazard analysis, SPRA systems analysis, equipment list development, fragility guidance, human reliability analysis, and model development and quantification.

Read More


Pra4.png

High Wind PRA

Access: Member Only

The EPRI High Winds (HW) Wiki lists relevant regulatory and methodological history of high wind risk analysis for nuclear power plants and provides references to relevant documents. This wiki is intended to be further developed to serve the needs of an HW risk analysis team by describing a structured framework for conduct of the overall analysis, as well as providing references to specific recommended practices to address each key aspect of the analysis.

Read More


Praguidance.jpg

PRA Software Guidance

Access: Member Only

This PRA Software Guidance wiki provides recommendations and guidance for using the EPRI PRA software. The EPRI software is designed to be very flexible to support a variety of research in the creating and applying PRA models. In many cases, this diverse set of features can be confusing or can lead to creation of models that cause problems in subsequent applications. Although there is rarely a "best way" to create a PRA model, some techniques will make the software more efficient or enable certain features. This wiki is designed to share these insights with the users.

Read More

Pramethods.jpg

PRA Methods

Access: Public and Member

Knowledge of the methods used in in the U.S. nuclear industry is in many cases distributed amongst different entities with various degrees of information availability and communication. This wiki provides a centralized, publicly available industry catalog for PRA methods in use.

Read More

Ramtar.jpg

Risk Analysis Methods and Tools for Advanced Reactors (RAMTAR)

Access: Public

Outlines past, present, and future research for advanced reactors by describing a wide range of risk analysis methods and tools that are applicable to various reactor designs, as well as providing references regulations, guidance, and research projects.

Read More

Plant Modernization

Plantmod.jpg

Plant Modernization Toolkit

Access: Member Only

The Plant Modernization Toolbox is meant to be a resource to facilitate decision making and execution of the modernization process at nuclear power plants (NPPs). The Toolbox includes a variety of tools and aids to assist NPPs to identify and evaluate cost savings from technology and process improvements.

Read More

Dxwiki.jpg

Digital Transformation Wiki

Access: Member Only

EPRI’s Digital transformation Wiki was created for the purpose of having a centralized repository to link all of the research that EPRI does related to this topic.

Read More


Record of Revisions

Number Date Description of Changes
0 7/27/2021 Initial Release
1 12/10/2021 Added PRA-NDM, NMAC-CBM, NMAC-FLEX
2 4/1/2022 Selective Leaching Added
3 11/28/2022 Condenser Wiki Added
4 11/28/2022 Seismic PRA Wiki Added
5 4/27/2023 Plant Reliability and Resilience, MRUG, ERWG Added
6 8/22/2023 SPV Added
7 12/12/2023 High Wind PRA and PRA Software Guidance Added
8 12/20/2023 Editorial revisions to reflect PRR and Plant Modernization Program structures
9 7/26/2024 RAMTAR Added
10 8/6/2024 I&C Wiki Added
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