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DOPAS full-scale experiments: approaches to compliance assessment

By
S. Doudou
S. Doudou
Galson Sciences Ltd, 5 Grosvenor House, Melton Road, Oakham LE15 6AX, UK
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M. J. White
M. J. White
Galson Sciences Ltd, 5 Grosvenor House, Melton Road, Oakham LE15 6AX, UK
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M. Johnson
M. Johnson
Radioactive Waste Management Limited, Building 587, Curie Avenue, Harwell, Didcot OX11 0RH, UK
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J.-M. Bosgiraud
J.-M. Bosgiraud
National Radioactive Waste Management Agency (ANDRA), 1–7 rue Jean-Monnet, 92298 Châtenay-Malabry, France
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Pär Grahm
Pär Grahm
Swedish Nuclear Fuel and Waste Management Co., Oskarshamn, Sweden
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Published:
January 01, 2017

Abstract

The Full-Scale Demonstration Of Plugs And Seals (DOPAS) Project is a European Commission programme of work jointly funded by the Euratom Seventh Framework Programme and European nuclear waste management organizations (WMOs). The DOPAS Project aims to improve the industrial feasibility of plugs and seals, the measurement of their characteristics, the control of their behaviour over time in repository conditions, and their hydraulic performance with respect to safety objectives.

Within the project, an approach has been developed and applied to assess the compliance of two of the full-scale experiments to their design bases. The approach involves a review of each requirement in the design basis and the strategy used to demonstrate compliance of the experiment with that requirement. Feedback in the form of proposed updates to the design statements is captured by this approach. Learning points on plugs and seals from the compliance assessment are also noted for consideration in the DOPAS Project outcomes. This developed compliance and assessment approach can be employed as part of, or in conjunction with, other more generic approaches used by WMOs, including monitoring, full-scale testing and the documentation of construction procedures.

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Contents

Geological Society, London, Special Publications

Radioactive Waste Confinement: Clays in Natural and Engineered Barriers

S. Norris
S. Norris
Radioactive Waste Management, UK
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J. Bruno
J. Bruno
Amphos 21, Spain
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M. van Geet
M. van Geet
ONDRAF/NIRAS, Belgium
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E. Verhoef
E. Verhoef
COVRA, The Netherlands
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Geological Society of London
Volume
443
ISBN electronic:
9781786203267
Publication date:
January 01, 2017

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