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Please use this identifier to cite or link to this item: http://hdl.handle.net/1807/25222

Title: Conceptual Design of a Retube Waste Container for the Storage of Intermediate Level Waste
Authors: Guin, Joshua Michael Allen
Advisor: Sinclair, Anthony N.
Keywords: retube waste container
conceptual design
Issue Date: 23-Nov-2010
Abstract: The Bruce A Unit 1 and 2 Retube Waste Container – Pressure Tube (RWC-PT) design was reviewed and assessed to determine whether the current container shielding arrangements would be sufficient for the storage and disposal of Retube waste arising from a Unit 3 and 4 Refurbishment. It was found that dose rates would exceed targets set by Ontario Power Generation (OPG) at the Western Waste Management Facility (WWMF). To meet these targets a modified steel-concrete RWC-PT design based on the Bruce A Unit 1 and 2 RWC-PT design was proposed. In addition a conceptual lead-steel RWC-PT design taking into consideration lessons learned and Operating Experience (OPEX) was also reviewed. A manufacturing evaluation of both the modified RWC-PT and the conceptual RWC-PT designs was completed. Several manufacturing improvements were noted for the conceptual RWC-PT including the use of a metallic seal arrangement and stainless steel cladding. The use of lead in the manufacturing of the conceptual RWC-PT was explored. Several additional precautions with the use of lead were identified. A benefit-cost analysis of the conceptual RWC-PT was completed. The conceptual RWC-PT design proposed offers a number of benefits including a reduction in operational effort with the use of a new sealing arrangement and also due to a reduction in the number of containers to be handled. In keeping with the ALARA principle the conceptual RWC-PT was found to reduce dose to workers. The life-cycle Page 9 manufacturing, operational, storage and disposal costs of the conceptual RWC-PT were also evaluated and compared to the modified RWC-PT design. The cost savings for the proposed conceptual RWC-PT when compared to the modified RWC-PT were found to be $7,829,000. The conceptual RWC-PT design proposed offers both benefits and costs savings. Bruce Power is invited to further consider allocating funding for the development of preliminary engineering of this conceptual design for Bruce A Units 3 and 4.
URI: http://hdl.handle.net/1807/25222
Appears in Collections:Master of Engineering (M.Eng.) project reports

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