Aging Management Program: Comparisons Between EDF Methodology and U.S. GALL Report

2004 ◽  
Author(s):  
Claude Faidy
Keyword(s):  
Preventive Maintenance ◽  
Damage Assessment ◽  
Degradation Mechanism ◽  
Management Program ◽  
Component Selection ◽  
Maintenance Program ◽  
The Us ◽  
Mechanical Components ◽  
Ageing Management ◽  
Complementary Analysis

EDF has developed a special methodology to review systematically the ageing management programs of all the safety important components. After a general presentation of the methodology on the different aspects (component selection, degradation mechanism sensitivity, detailed complementary analysis), the paper will make some comparison with the US procedure developed and presented in the GALL report. The objective of the comparison is to compare and discuss the major differences between EDF and US utility approaches on the mechanical components. The major differences are connected to: • different regulation request; • different code rules; • different existing management program; • different appreciation on the potentiality of some degradation mechanism. The paper will analyse in detail some specific examples, including current maintenance program, preventive maintenance and anticipation program, damage assessment and ISI program, R&D needs...

French Procedure for Ageing Management Program of Safety Components

2003 ◽  
Author(s):  
Claude Faidy
Keyword(s):  
Degradation Mechanism ◽  
Management Program ◽  
Mechanism Analysis ◽  
Periodic Review ◽  
Industrial Facility ◽  
Major Step ◽  
Safety Level ◽  
The Status ◽  
Ageing Management ◽  
Selection Of

Managing ageing and remaining lifetime of an industrial facility is a concern that must be taken in account by utility as soon as possible in daily activities. The corresponding actions engaged in France are based on 3 major step that are described in the paper: • routine maintenance, • exceptional maintenance, • systematic and periodic review of safety important components and structures sensitive to ageing to assure the effectiveness of the maintenance actions and maintain a high safety level of the plant with a good competitiveness. Following different on-going programs on ageing management of different components, EDF developed its own approach, based on IAEA guidelines, in order to systematically review all the ageing management programs implemented on its 3-loop plants. The methodology is done in 3 steps: • selection of components and justification, • degradation mechanism analysis, • synthesis and consequences on maintenance programs. After a presentation of each step of the procedure a quick overview of the status of application in France is done. Comparison of the methodology with similar methodology used in different other countries is done to close the paper.

Ageing Management of Cast Stainless Steel Components in French PWRs

2012 ◽  
Author(s):  
Claude Faidy
Keyword(s):  
Stainless Steel ◽  
Degradation Mechanism ◽  
Thermal Power ◽  
Thermal Ageing ◽  
Management Program ◽  
The Past ◽  
Safety Margins ◽  
The Moment ◽  
Ageing Management ◽  
And Control

During the past 20 years many works have been done on Ageing Management Program (AMP) of Safety classed components in EDF. To-day, EDF is starting the 3rd ten-year shutdown of all these 3-loop plants (34 plants). During the associated Safety Review, a specific task is devoted to ageing effects and management of all the safety concerned components. A large list of components has been reviewed: mechanical, civil engineering, instrumentation and control, cables, non metallic components. Cast duplex stainless steel components are an example of these reviews. This material is used in many PWR components: elbows, pump casing, valves…A specific Ageing Management Program has been developed in France in the past 20 years in order to consider thermal ageing consequences on different components. This program considers: - Degradation mechanism understanding; - Diagnostic: what are the more sensitive components; - Monitoring in operation: thermal power; - In-service inspection: radiography and other laboratory methods; - Flaw evaluation and material properties; - Replacement of elbows, alone or associated to steam generator replacement. The paper will give a short description of each topic. In the moment EDF is planning a large replacement program of CF8M elbows to assure safety margins for 60 years of operation.

Fluoroquinolone- and Methicillin-Resistant Staphylococcus Aureus: Insights from the Antimicrobial Resistance Management Program

2005 ◽  
Vol 21 (3) ◽  
pp. 123-128 ◽  
Author(s):  
John G Gums ◽  
Benjamin J Epstein
Keyword(s):  
Staphylococcus Aureus ◽  
Antimicrobial Resistance ◽  
Methicillin Resistance ◽  
Resistance Management ◽  
Multidrug Resistant ◽  
Management Program ◽  
Methicillin Resistant ◽  
The North ◽  
The Us ◽  
Northeast Us

Background: Staphylococcus aureus is a frequent cause of infections involving the bloodstream, skin and soft tissue, and lungs in hospitalized patients. These isolates are often multidrug resistant and represent a major therapeutic challenge. Objective: To explore the susceptibilities of S. aureus to nafcillin/oxacillin, a surrogate for methicillin resistance, and the fluoroquinolones and determine whether a relationship might exist between fluoroquinolone use and the prevalence of methicillin-resistant S. aureus (MRSA). Methods: To date, 353 institutions throughout the US and Puerto Rico have enrolled in the Antimicrobial Resistance Management (ARM) Program, and data have been submitted on nearly 5 million isolates of S. aureus. Isolates submitted from 1990 through 2002 were reviewed for sensitivity to nafcillin/oxacillin, clindamycin, erythromycin, and the fluoroquinolones ciprofloxacin and levofloxacin. Results: From 1990 through 2002 inclusive, susceptibility to nafcillin/oxacillin nationally was 64.9% (n = 360,460), ranging from 62.2% in the North Central and Northeast US to 72.8% in the Southwest. Nationally, S. aureus isolates were more resistant to levofloxacin (41.4%, n = 123,868) than ciprofloxacin (38.7%, n = 256,178). The greatest change in susceptibility of S. aureus to nafcillin/oxacillin and ciprofloxacin occurred concurrently from 1998 to 2002, which may implicate fluoroquinolone use with increasing rates of MRSA infection. Conclusions: Resistance to methicillin and the fluoroquinolones has increased in concert during the past 5 years. Collectively, data from the ARM Program, along with several other investigations, support a role of fluoroquinolone use in the emergence of MRSA. These observations, along with increasing resistance among gram-positive and gram-negative pathogens, underscore the need for judicious use of fluoroquinolones.

scholarly journals Development of a Preventive Maintenance Program for Tooling Used in Powder Slush Molding

2016 ◽  
Author(s):  
Edgar Lara-Curzio ◽  
Orlando Rios ◽  
Andres Emilio Marquez-Rossy
Keyword(s):  
Preventive Maintenance ◽  
Maintenance Program

Aging Management Program of Large Diameter Safety Class Piping

2005 ◽  
Author(s):  
Claude Faidy
Keyword(s):  
Thermal Aging ◽  
Nuclear Power ◽  
Power Plants ◽  
Nuclear Power Plants ◽  
Large Diameter ◽  
Management Program ◽  
Degradation Mechanisms ◽  
Ageing Management ◽  
Fatigue Corrosion ◽  
Systematic Program

Ageing management of Nuclear Power Plants is an essential issue for utilities, in term of safety and availability and corresponding economical consequences. Practically all nuclear countries have developed a systematic program to deal with ageing of components on their plants. This paper presents the ageing management program developed by EDF and that are compared with different other approaches in other countries (IAEA guidelines and GALL report). The paper presents an example of application to large diameter safety class piping. Different degradation mechanisms are considered like fatigue, corrosion or thermal aging. Maintenance and surveillance actions are discussed in the paper.

How to Establish a Preventive Maintenance Program

Opflow ◽  
1978 ◽  
Vol 4 (5) ◽  
pp. 1-7
Author(s):  
William J. Martin ◽  
Albert L. Jacobs
Keyword(s):  
Preventive Maintenance ◽  
Maintenance Program

An environmental perspective on the water management policies of the Upper Delaware River Basin

Water Policy ◽  
2016 ◽  
Vol 18 (6) ◽  
pp. 1399-1419 ◽  
Author(s):  
Arun Ravindranath ◽  
Naresh Devineni ◽  
Peter Kolesar
Keyword(s):  
New York ◽  
Water Policy ◽  
New York State ◽  
Management Program ◽  
Water Release ◽  
Delaware River ◽  
Support Tool ◽  
The Us ◽  
Decision Structure ◽  
Us Federal Government

Since 1954, the Delaware River has been managed under the framework of a Supreme Court decree and the subsequent concomitant intergovernmental collaboration between New York State, New Jersey, Pennsylvania, Delaware, New York City (NYC) and the US federal government. Taking an environmental perspective, we review the evolution of water release policies for three NYC reservoirs from the issuance of the 1954 decree through the implementation of the Flexible Flow Management Program (FFMP) of 2007–2015 and examine the policies' impact on the upper Delaware River. We describe governmental and institutional constraints on the development of Delaware water policy and show how modifications of release policies have enhanced aquatic habitat and ecological health in the upper Delaware while reliably delivering water to NYC and the Delaware's other principal stakeholders. We describe the development of the FFMP in 2006, its subsequent modification, and its augmentation by NYC's Operations Support Tool in 2012. Finally, we discuss the negative ecological consequences of the 2010–2016 stalemate on Delaware water policy resulting from conflicts between the decree parties about current and future water rights, and how the stalemate derives partially from the decision structure imposed by the 1954 decree and the Good Faith Agreement of 1983.

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