Boiler shell weld repair : Sizewell 'A' nuclear power station, 25 October, 1999, IMechE HQ, London, UK
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Bibliographic Information
Boiler shell weld repair : Sizewell 'A' nuclear power station, 25 October, 1999, IMechE HQ, London, UK
（I Mech E seminar, 1999-14）
Professional Engineering Publishing limited for the Institution of Mechanical Engineers, 1999
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Note
sponsored by BNFL Magnox Generation, Mitsui Badcock ; co-sponsored by BNES, INucE
Includes bibliographical references and authors' index
Description and Table of Contents
Description
This work explores the technical developments and engineering achievements from the programme of repairs successfully completed by BNFL Magnox Generation to three shells of reactor R2 at Sizewell "A" Nuclear Power Station. The papers presented in this volume review how the original defects occurred and how this understanding led to the specification of the materials and welding development. The challenge of finding the appropriate fracture toughness; and the selection of subsequent heat treatments, which promotes good creep ductility and minimises the risk of reoccurrence of cracking are also addressed. Topics covered here include: risk management; weld procedures qualifications and training; site implementation; detection and diagnosis; materials challenges; project management. This work will be of interest to all engineers, technicians, project managers, and consultants, involved in the engineering, repair, and maintenance of all pressure vessels in the nuclear and other power industries.
Table of Contents
- An overview of the need to repair the three boilers, C. Smitton, C.J. Marchese
- an evaluation of the nature and origin of cracking and implications for the repair strategy, L.F. Exworthy et al
- repair options for defects found in boiler shells, G.S. Anderson, W.J.G. Little
- a regulatory view of the boiler shell weld repair, G.B. Heys, R.E. Waters
- underwriting the integrity of the repair pressure circuits, P.J. Jeans et al
- inspection challenges, K.J. Bowker
- project management approach and application to specific technical issues, G.S. Anderson, W.J.G. Little
- inspection qualification, V.M. Baborovsky
- welder training and qualification for the repair welding of the boiler shells, J. Tolaini
- the role of third party independent support in providing additional assurance on repair quality, E.G. Taylor et al
- conclusions of the project and lessons for the future, C.J. Marchese. Late submissions: specification, development, and optimisation of the welding and post-weld heat treatment procedures, A.N.R. Hunter et al
- materials challenges, A.N.R. Hunter et al
- site project management and implementation of the boiler repair, H.V. Evans et al. Author's index.
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