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bwr vessel and internals project internal core spray piping

BWR primary coolant pressure boundary license renewal ...

@article{osti_10121103, title = {BWR primary coolant pressure boundary license renewal industry report; revision 1. Final report}, author = {Braden, D and Stancavage, P}, abstractNote = {The U.S. nuclear power industry, through coordination by the Nuclear Management and Resources Council (NUMARC), and sponsorship by the U.S. Department of Energy (DOE) and the Electric Power Research Institute ...

Cracking in BWR internals — the Swedish perspective on ...

Nov 01, 1990· Cracking in BWR internals — the Swedish perspective on prevention, mitigation and repair ... These examples concern top guides, core spray, thermocouple pockets and a few other internal components. Based on this experience and on information from various other sources, some general conclusions can be drawn. ... where possible, vessel internal ...

Boiling-Water Reactor internals aging degradation study ...

Recent Boiling Water Reactor (BWR) inspections indicate that Intergranular Stress Corrosion Cracking (IGSCC) is a significant technical issue for some BWR internals. IN response, the Boiling Water Reactor Vessel and Internals Project (BWRVIP) was formed by an associated of domestic and international utilities which own and operate BWRs.

Inspection and Evaluation Guidelines for Light Water ...

Takeuchi, Kimihito, Iizuka, Naoto, Kameyama, Masashi, Fujimori, Haruo, Motora, Yuichi, and Koyama, Koji. "Inspection and Evaluation Guidelines for Light Water Reactor Core Internals in Japan." Proceedings of the ASME 2002 Pressure Vessels and Piping Conference. Service Experience and Failure Assessment Applications. Vancouver, BC, Canada.

Age-related degradation of boiling water reactor vessel ...

Feb 01, 1992· A.G. Ware and V.N. Shah ~Age-related degradation of BWR internals Table 2 History of IGSCC in BWR reactor internals 55 Location Date detected Material Contributing factors Jet pump hold-down beam 1970 Alloy X-750 Core spray sparger 1978 Stainless steel Supply junction box between 1982 Stainless steel vessel wall and shroud Core spray sparger ...

AMP - Pages - GNSSN Home

ELECTRIC POWER RESEARCH INSTITUTE, BWRVIP-190 Revision 1: BWR Vessel and Internals Project, BWR Water Chemistry Guidelines - 2008 Revision, EPRI Technical Report 3002002623, April 2014 ELECTRIC POWER RESEARCH INSTITUTE, BWRVIP-14-A: BWR Vessel and Internals Project, Evaluation of Crack Growth in BWR Stainless Steel RPV Internals, EPRI Report ...

The Materials Initiative

Jun 01, 2015· system components and piping. Other plant events over the last three years involving steam generator tubes, boiling water reactor (BWR) vessel internals and other pressure boundary, vessel internals, and fuel materials suggest that the nuclear industry has not been able to consistently anticipate and manage materials problems as well as it could.

June 27, 2007 Rick Libra, BWRVIP Chairman DTE Energy Fermi ...

Research Institute (EPRI) proprietary report, "BWR Vessel and Internals Project, Technical Basis for Part Circumference Weld Overlay Repair of Vessel Internal Core Spray Piping (BWRVIP-34)," dated May 1997. This report was submitted for NRC staff review and approval by letter dated May 22, 1997, and supplemented by letters dated March 30, 1998,

Assessment and management of ageing of major nuclear …

structural integrity of these reactor pressure vessel internals throughout NPP service life, in spite of several ageing mechanisms, is essential for plant safety. The work of all contributors to the drafting and review of this publication, identified

US7058154B1 - Systems and methods for managing assets ...

In a specific embodiment of the invention, the internal components relating to Dresden 2 plant's are: a Core Spray Internal Piping 344, a Core Spray Sparger 350, a Lower Plenum 354, a Shroud 356, a Shroud Support 358 & Access Hole Cover 360, a Jet Pump Diffuser 364, a Jet Pump Riser 368 & Riser Brace 370, a Jet Pump Inlet Mixer 374, a Jet Pump ...

Bill Eaton, BWRVIP Chairman 1340 Echelon Parkway

INTERNALS PROJECT, INTERNAL CORE SPRAY PIPING AND SPARGER REPLACEMENT DESIGN CRITERIA" Dear Mr. Eaton: By letter dated September 21, 2005, the Boiling Water Reactor Vessel and Internals Project (BWRVIP) submitted Proprietary Report BWRVIP-16-A, "BWR Vessel and Internals Project,

Controlling stress corrosion cracking in boiling water ...

Aug 02, 1993· A growing list of observations of SCC in components other than piping (summarized in Table 2) has increasingly drawn attention to the uncer- Table 2 Service-induced cracking in BWR vessels and internals The following is a partial list of BWR internal components and vessel attachments that have exhibited service-induced cracking.

IASCC Evaluation Method for Irradiated Core Internal ...

Jan 10, 2011· Takakura, Kenichi, Tanaka, Shigeaki, Nakamura, Tomomi, Chatani, Kazuhiro, and Kaji, Yoshiyuki. "IASCC Evaluation Method for Irradiated Core Internal Structures in BWR Power Plants." Proceedings of the ASME 2010 Pressure Vessels and Piping Division/K-PVP Conference. ASME 2010 Pressure Vessels and Piping Conference: Volume 6, Parts A and B ...

BWR Vessel and Internals Project Update

Jun 02, 2015· address BWR reactor vessel and internals material condition issues • The goal was to lead industry toward proactive generic resolution of vessel and internals material condition issues with generic, cost-effective strategies • Intergranular Stress Corrosion Cracking (IGSCC) in austenitic piping was a major issue

IGALL AMP BWR VESSEL INTERNALS - gnssn.iaea.org

[14]ELECTRIC POWER RESEARCH INSTITUTE, BWRVIP-19-A: BWR Vessel and Internals Project, Internal Core Spray Piping and Sparger Repair Design Criteria, EPRI Technical Report 1012114, September 2005 [15]ELECTRIC POWER RESEARCH INSTITUTE, BWRVIP-25, Revision 1: BWR Core Plate Inspection and Flaw Evaluation Guidelines, EPRI Report 3002005594 ...

EPRI Newsletter

EPRI's Boiling Water Reactor Vessel and Internals Project (BWRVIP) has developed inspection guidelines for many safety-related BWR internal components, including the core shroud, core spray piping, and jet pumps. The guidelines specify inspections of each component at specified intervals to monitor the effect of aging.

Internal Core-spray Examination System

The Internal Core-spray Examination System (ICESys™) was designed to improve the quality of examinations of the core-spray piping system in boiling water reactor (BWR) nuclear power plants, while providing significant critical-path ... to support utility boiling water reactor vessel and internals project (BWRVIP) examination

2014 Portfolio: Boiling Water Reactor Vessel and Internals ...

Boiling Water Reactor Vessel and Internals Project (QA) Program Overview . Program Description . As boiling water reactors have aged, various forms of operation-limiting stress corrosion cracking have appeared, first in the recirculation piping, then in the reactor pressure vessel internals. Typically, poor …

BWRVIP-34NP-A: BWR Vessel and Internals Project

Weld Overlay Repair of Vessel Internal Core Spray Piping. EPRI, Palo Alto, CA: 2008. 1016377NP. This report is based on the following previously published report: BWR Vessel and Internals Project, Technical Basis for Part Circumference Weld Overlay Repair of Vessel Internal Core Spray Piping (BWRVIP-34). EPRI, Palo Alto, CA: 1997. TR-108198,

BWR Vessel and Internals Project, Internal Core Spray ...

SS internal core spray piping and spargers is the only viable approach to resolution of the cracking issue for BWR internal core spray piping. 1.3 Scoe This document is applicable to General Electric BWR/2, BWR3-5, and BWR/6 plants which plan to implement repairs of the 300 series SS internal core spray …

Structural Capability of Austenitic Piping and Shells With ...

Boiling water reactor (BWR) components made of austenitic stainless steel are exposed to the high temperature water environment. Under a combination of susceptible material condition, weld residual stresses and the oxygenated high temperature water environment, reactor internals such as the core shroud and internal core spray piping experience

REACTOR VESSEL INTERNALS SEGMENTATION EXPERIEN- …

6 TECHNOLOGICAL ENGINEERING, Volume X, number 2/2013, ISSN 1336 - 5967 REACTOR VESSEL INTERNALS SEGMENTATION EXPERIEN-CE USING MECHANICAL CUTTING TOOLS Petr Pospíšil, MSc. Received 12 june 2013 ...

REACTOR VESSEL INTERNALS SEGMENTATION EXPERIEN- CE …

6 TECHNOLOGICAL ENGINEERING, Volume X, number 2/2013, ISSN 1336 - 5967 REACTOR VESSEL INTERNALS SEGMENTATION EXPERIEN-CE USING MECHANICAL CUTTING TOOLS Petr Pospíšil, MSc. Received 12 june 2013 ...

BWR core internals replacement - ScienceDirect

May 02, 2000· In addition to the core shroud, the majority of the internal components made of 304 SS were replaced. These included (1) core shroud, (2) top guide, (3) core plate, (4) core spray spargers, (5) feed water spargers, (6) jet pumps, (7) DP/LC pipe, (8) ICM guide tubes (9) internal pipes and (10) nozzle safe end which is connected to these components, as shown in Fig. 1.

XR276427-02 - BWRVIP-1 8NP BWR Vessel AndInternals ...

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AGEING MANAGEMENT PROGRAM TO REACTOR PRESSURE …

the Reactor Pressure Vessel Internals (RPVI´s) components in U1 and U2. The main RPVIs components were studied by groups: Shroud (including horizontal H1 to H7 and Verticals welds), core spray internal Piping, Core Spray Sparger, core plate, top guide, In core Housing-CRD housing-CRD Guide tube-Dry tubes, Jet Pumps, LPCI Coupling, Access

BWR Sparger Replacement Design Criteria (BWRVIP- 1 6NP)

BWR Vessel and Internals Project Internal Core Spray Piping and Sparger Replacement Design Criteria (BWRVIP-16NP) TR-106708NP Research Project B501 Final Report, February 2000 Prepared by: BWRVIP Repair Committee Sargent & Lundy LLC Prepared for BOILING WATER REACTOR VESSEL & INTERNALS PROJECT and EPRI 3412 Hillview Ave.