Postulated initiating event
Webinitiating events during operation at power” has been also done to confirm whether the basis of the PSA are robust and to gain confidence on its completeness. The GDA Step 3 review has been undertaken with the assistance of Technical Support Contractors who have carried out their work under direction and supervision of ND. WebPostulated Initiating Events (PIE) means an event identified Sample 1 Based on 1 documents Examples of Postulated Initiating Events (PIE) in a sentence All the incidental …
Postulated initiating event
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Web13 Apr 2024 · Here, intraductal precursors are postulated to undergo a progression from low- to high-grade lesions, acquiring increasing cytological atypia and genetic aberrations, culminating in invasive adenocarcinomas. At least two pathways to invasive cancer in the pancreas have been recognized, each with somewhat distinct frequency, natural history, … WebOne of the first and basic steps in a PRA is the identification and quantification of the initiating events to be used in the sequence analysis. Initiating events have historically …
WebAn initiating event is an event that starts a reaction, such as the way a spark (initiating event) can start a fire that could lead to other events (intermediate events) such as a tree … Webproduce the final product. Frequency analysis of the plant subjected to postulated initiating event is studied to analyze the expected outcomes of the anticipated risks using hazardous identification technique complemented by event tree that describes the interaction of the events following the initiating event. One of the systems listed in
WebAnalysis (FMEA) and identification of Postulated Initiating Events (PIEs), and safety analysis, are presented. 1. Introduction Test Blanket Module examination project, in which breeding blankets are tested in genuine fusion reactor environment, is in proceed. Six TBMs will be tested in ITER simultaneously, under the leadership of different ... WebPurpose of defining the initiating events An IE is a postulated event that could occur in a nuclear power plant. It is an occurrence that creates a disturbance in a plant and has the potential to lead to core damage, depending on the successful operation or failure of the various mitigating systems in the plant.
http://www-naweb.iaea.org/napc/physics/FEC/FEC2008/papers/ft_p2-6.pdf hot socks size chartWebStage 1: Infancy: Trust vs. Mistrust. Infants depend on caregivers, usually parents, for basic needs such as food. Infants learn to trust others based upon how well caregivers meet … line cs formWebPostulated Initiating Event: PIE: Prevention, Intervention and Enforcement (crime fighting) PIE: Pulmonary Interstitial Emphysema (medical) PIE: Permanent Intermittent Employee: PIE: Punkt Informacji Europejskiej (Polish: European Information Point) PIE: Program Information Exchange (various organizations) PIE line crownWebPostulated Initiating Event (PIE): An event identified during design as capable of leading to anticipated operational occurrences or accident conditions. Note: The primary cause of a PIE may be credible equipment failures and operator errors (both within and external to the facility) or human induced or natural events (IAEA Safety Glossary, 2016). hots of 50/60Webassumptions concerning the initial operational state and the initiating event, with specific sets of rules and acceptance criteria. Deterministic analyses can be conservative or best estimate; (o) “Disposal” means emplacement of waste in an appropriate facility without the intention of retrieval; linecross plasticsWebAn initiating event is an event that leads to anticipated operational occurrences or accident conditions. This includes o Operator errors and equipment failures (both within and … linectf writeupsWeb• Postulated initiating events (PIEs) are unintended events that directly or indirectly challenge the basic safety functions. Such events necessitate protective actions to prevent or mitigate undesired consequences. Safety analysis – Introduction • The results of the safety analysis are used for: ... line crossing jackets