Atomic Energy of Canada Ltd. (AECL) has very successful experience in implementing new construction methods at the Qinshan (Phase III) twin unit CANDU 6 plant in China. This paper examines the construction method that must be implemented during the conceptual design phase of a project if short construction schedules are to be met. A project schedule of 48 months has been developed for the nth unit of NG (Next Generation) CANDU with a 42 month construction period from 1st Concrete to In-Service. An overall construction strategy has been developed involving paralleling project activities that are normally conducted in series. Many parts of the plant will be fabricated as modules and be installed using heavy lift cranes. The Reactor Building (RB), being on the critical path, has been the focus of considerable assessment, looking at alternative ways of applying the construction strategy to this building. A construction method has been chosen which will result in excess of 80% of internal work being completed as modules or as very streamlined traditional construction. This method is being further evaluated as the detailed layout proceeds. Other areas of the plant have been integrated into the schedule and new construction methods are being applied to these so that further modularization and even greater paralleling of activities will be achieved. It is concluded that the optimized construction method is a requirement, which must be implemented through all phases of design to make a 42 month construction schedule a reality. If the construction methods are appropriately chosen, the schedule reductions achieved will make nuclear more competitive.
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10th International Conference on Nuclear Engineering
April 14–18, 2002
Arlington, Virginia, USA
Conference Sponsors:
- Nuclear Engineering Division
ISBN:
0-7918-3596-0
PROCEEDINGS PAPER
Next Generation CANDU: Conceptual Design for a Short Construction Schedule Available to Purchase
Jerry M. Hopwood,
Jerry M. Hopwood
Atomic Energy of Canada, Ltd., Mississauga, ON, Canada
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Ian J. W. Love,
Ian J. W. Love
Atomic Energy of Canada, Ltd., Mississauga, ON, Canada
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Medhat Elgohary,
Medhat Elgohary
Atomic Energy of Canada, Ltd., Mississauga, ON, Canada
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Neville Fairclough
Neville Fairclough
Atomic Energy of Canada, Ltd., Mississauga, ON, Canada
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Jerry M. Hopwood
Atomic Energy of Canada, Ltd., Mississauga, ON, Canada
Ian J. W. Love
Atomic Energy of Canada, Ltd., Mississauga, ON, Canada
Medhat Elgohary
Atomic Energy of Canada, Ltd., Mississauga, ON, Canada
Neville Fairclough
Atomic Energy of Canada, Ltd., Mississauga, ON, Canada
Paper No:
ICONE10-22718, pp. 1051-1057; 7 pages
Published Online:
March 4, 2009
Citation
Hopwood, JM, Love, IJW, Elgohary, M, & Fairclough, N. "Next Generation CANDU: Conceptual Design for a Short Construction Schedule." Proceedings of the 10th International Conference on Nuclear Engineering. 10th International Conference on Nuclear Engineering, Volume 2. Arlington, Virginia, USA. April 14–18, 2002. pp. 1051-1057. ASME. https://doi.org/10.1115/ICONE10-22718
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