Architecture and management of a geological repository - Andra

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C.RP.ADP.04.00016/4957.1 Presentation of the main questions...............................................................................2907.1.1 Operational needs................................................................................................2907.1.2 Reversibility and long-term safety......................................................................2907.2 Retained design principles ............................................................................................2917.2.1 Shaft or ramp.......................................................................................................2917.2.2 Number and assignments of the shafts................................................................2927.2.3 Design principles of the access and connnecting drifts ......................................2927.3 Description of the shafts................................................................................................2927.3.1 Package transfer shaft .........................................................................................2927.3.2 Air exhaust shaft .................................................................................................2957.3.3 Personnel transfer shaft and construction shaft...................................................2957.3.4 The advantages of a ramp ...................................................................................2977.4 Description of the connecting infrastructures.............................................................3007.4.1 The infrastructures of the shaft zone...................................................................3007.4.2 The connecting drifts ..........................................................................................3017.5 Construction of shafts and connecting drifts...............................................................3047.5.1 Construction of shafts .........................................................................................3047.5.2 Construction of the drifts ....................................................................................3077.6 Durability of structures.................................................................................................3077.7 Closure of underground facilities.................................................................................3087.7.1 Typical drift backfill ...........................................................................................3087.7.2 Drift seals............................................................................................................3097.7.3 Shaft seals ...........................................................................................................3168 Surface installations.................................................................................................................3218.1 General organisation of surface installations..............................................................3228.2 Nuclear zone ...................................................................................................................3238.2.1 Overall logic for the nuclear zone.......................................................................3238.2.2 Building for receiving B and C waste and for preparing disposalpackages..............................................................................................................3248.2.3 Surface building for receiving spent fuel and placing it in containers................3258.3 Industrial and administrative zones.............................................................................3258.4 Broken rock storage dump............................................................................................3269 Nuclear operating resources in the repository ......................................................................3299.1 Receiving primary packages and preparing disposal packages ................................3309.1.1 Receiving the transport casks, unloading the primary waste packagesand storing them temporarily ..............................................................................3309.1.2 Preparing B waste disposal packages..................................................................3329.1.3 Preparing C waste disposal packages..................................................................3339.1.4 Preparing spent fuel disposal packages...............................................................3349.2 Process for transferring the disposal packages from the surface to thedisposal cells ...................................................................................................................3369.2.1 General principles for transferring the disposal packages ..................................3369.2.2 The radiological protection transfer casks ..........................................................337DOSSIER 2005 ARGILE -ARCHITECTURE AND MANAGEMENT OF A GEOLOGICAL DISPOSAL SYSTEM6/495
C.RP.ADP.04.00017/4959.2.3 The transfer of the packages in the transfer shaft ...............................................3399.2.4 The transfer of the transfer casks in the underground installations ....................3429.3 Process of installing the packages in the disposal cells...............................................3449.3.1 General principles of the installation of packages in disposal cells....................3449.3.2 Description of the equipment and process of installing packages of Bwastes..................................................................................................................3459.3.3 Description of the equipment and process of installing packages of Cwastes..................................................................................................................3529.3.4 Description of the equipment and the process of installing spent fueldisposal packages................................................................................................35810 Reversible repository management ........................................................................................36510.1 Stepwise managment of the disposal process ..............................................................36610.1.1 Progressive operation of the repository ..............................................................36610.1.2 Progressive closing of the repository..................................................................36710.1.3 Key stages of the disposal process......................................................................36810.2 Mastery of the repository behaviour and ability take action [82] .............................37010.2.1 Behaviour of type B waste disposal cells............................................................37010.2.2 The behaviour of type C waste (or spent fuel) disposal cells .............................37510.2.3 Behaviour of access structures during the “Post repository zoneclosing”phase .....................................................................................................38210.2.4 Conclusion concerning the minimum duration of reversiblemanagement of the disposal process...................................................................38410.3 Observation and surveillance .......................................................................................38410.3.1 Why carry out observation and surveillance? .....................................................38410.3.2 Parameters to be monitored during repository operation....................................38610.3.3 Situation at the international level ......................................................................38710.3.4 Constraints specific to monitoring a repository ..................................................38910.3.5 Industrial experience feedback concerning monitoring ......................................39210.3.6 Observation and surveillance strategy ................................................................39910.3.7 Observation of B waste repository modules .......................................................40210.3.8 Monotoring of C disposal cells ...........................................................................40710.3.9 Observation of spent fuel disposal cells..............................................................41310.3.10 The monitoring system of standard cells ............................................................41410.3.11 Observation of drifts ...........................................................................................41410.3.12 Observation of shafts ..........................................................................................41510.3.13 Conclusion regarding the contribution of observation to the reversiblerepository management process..........................................................................41810.4 The capacity for package retrieval...............................................................................41910.4.1 Retrieval of B packages ......................................................................................41910.4.2 Retrieval of C waste (and spent fuel) packages ..................................................42610.4.3 Package retrieval capability: Conclusion............................................................43310.5 Conclusion ......................................................................................................................43411 Operational Safety ...................................................................................................................43511.1 Evaluation of the dosimetry with the installations in operation................................43611.1.1 The nature of radiological risks and measures envisaged...................................43611.1.2 Dosimetric evaluation on site and around the periphery of the site....................438DOSSIER 2005 ARGILE -ARCHITECTURE AND MANAGEMENT OF A GEOLOGICAL DISPOSAL SYSTEM7/495
Page 1 and 2: Report SeriesTomeArchitectureand ma
Page 3 and 4: C.RP.ADP.04.00013/495ContentsConten
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Page 9 and 10: C.RP.ADP.04.00019/495Bibliographic
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Page 24 and 25: 1 - The Study Approach1.1 Purpose o
Page 26 and 27: 1 - The Study ApproachFrom 1999 to
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Page 30 and 31: 2 - General DescriptionThis chapter
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2 - General Description• A dimens
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2 - General Description2.4.1.2 Desi
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2 - General DescriptionFigure 2.4.4
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2 - General Description- some conne
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2 - General DescriptionAs for the w
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2 - General DescriptionThe figure b
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33High-level long-lived waste3.1 Wa
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3 - High Level Long-Lived WasteRese
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3 - High Level Long-Lived Wastesupp
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3 - High Level Long-Lived WasteThe
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3 - High Level Long-Lived WasteFigu
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3 - High Level Long-Lived WasteA fi
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3 - High Level Long-Lived WasteA se
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3 - High Level Long-Lived WasteVitr
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3 - High Level Long-Lived WasteCond
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3 - High Level Long-Lived WasteDist
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3 - High Level Long-Lived Waste3.3.
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3 - High Level Long-Lived WasteTabl
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44Waste disposal packages4.1 B disp
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4 - Waste disposal PackagesFor empl
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4 - Waste disposal Packages• Safe
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4 - Waste disposal Packages• "Par
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4 - Waste disposal PackagesThe prin
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4 - Waste disposal PackagesThe seco
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4 - Waste disposal PackagesFigure 4
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4 - Waste disposal Packages4.1.5 Th
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4 - Waste disposal Packages4.1.5.7
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4 - Waste disposal PackagesIn the c
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4 - Waste disposal PackagesFinally,
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4 - Waste disposal PackagesThe YAG
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4 - Waste disposal PackagesIn the U
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4 - Waste disposal PackagesThe spee
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4 - Waste disposal Packages4.2.4 Ma
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4 - Waste disposal PackagesLoadSlid
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4 - Waste disposal Packages4.3 Spen
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4 - Waste disposal PackagesThe seco
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4 - Waste disposal PackagesFor both
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4 - Waste disposal Packages• Safe
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4 - Waste disposal PackagesAs for C
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4 - Waste disposal PackagesMelted c
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55Repository modules.5.1 B waste re
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5 - Repository Modules5.1.1.1 Quest
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5 - Repository Modules• Controlli
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5 - Repository ModulesFigure 5.1.1t
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5 - Repository Modules• The geome
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5 - Repository ModulesTable 5.1.1Fu
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5 - Repository ModulesFigure 5.1.9D
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5 - Repository Modules5.1.3.2 Detai
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5 - Repository Modules• Arrangeme
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5 - Repository ModulesAlthough this
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5 - Repository ModulesConnection be
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5 - Repository ModulesFurthermore,
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5 - Repository ModulesTo illustrate
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5 - Repository Modules• The acces
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5 - Repository ModulesFigure 5.1.24
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5 - Repository Modules• Limiting
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5 - Repository Modules5.2.2 Design
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5 - Repository ModulesA concept wit
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5 - Repository Modules• Orientati
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5 - Repository ModulesFigure 5.2.3O
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5 - Repository Modules5.2.3.1 Descr
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5 - Repository ModulesA minimum ann
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5 - Repository ModulesIn terms of t
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5 - Repository ModulesStorage perio
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5 - Repository ModulesSensitivity t
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5 - Repository ModulesIt must be no
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5 - Repository Modules• Disposal
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5 - Repository Modules• Assembly
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5 - Repository ModulesThe permeabil
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5 - Repository ModulesThe evolution
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5 - Repository ModulesThe lowest dr
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5 - Repository Modules• Back-fill
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5 - Repository Modules5.3.2.1 Sever
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5 - Repository ModulesFigure 5.3.4S
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5 - Repository ModulesThe cells are
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5 - Repository ModulesFinally, it s
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5 - Repository ModulesThe internal
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5 - Repository Modules• Descripti
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5 - Repository Modules- another pos
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66 Overall undergroundarchitecture6
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6 - Overall underground architectur
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7 - The shafts and the driftsThe co
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7 - The shafts and the drifts7.2.2
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7 - The shafts and the driftsFigure
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7 - The shafts and the drifts7.3.3.
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7 - The shafts and the drifts7.4 De
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7 - The shafts and the driftsThe dr
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7 - The shafts and the drifts7.7 Cl
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7 - The shafts and the driftspressu
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88Surface installations8.1 General
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8 - Surface installationsFigure 8.1
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8 - Surface installationsSuch a bui
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8 - Surface installationsApart from
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9 - Nuclear operating resources in
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1010 Reversible repositorymanagemen
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During the operational phase, the d
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Figure 10.1.1Key repository operati
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The radioactive elements can thus b
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Furthermore, equipment and liner ma
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The condition of the access drifts
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The sleeve’s durability is improv
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10.2.2.2 “Post cell-sealing” st
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As far as long-term safety is conce
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Figure 10.2.10Diagrammatic represen
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10.3.1.1 Overview of the principal
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10.3.2.2 Monitoring of type C waste
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The project’s monitoring programm
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• Absence of a significant impact
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Dams are of particular interest whe
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The rate of operation of these sens
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• Water contentThe water content
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A similar wireless transmission tec
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Figure 10.3.9Example of monitoring
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In addition, a visual control syste
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Cell atmosphere monitoring is limit
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The monitoring of the seal can be c
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• The instrumented sections and t
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The deformation measurements carrie
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10.3.9 Observation of spent fuel di
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These instrumented sections (cf. §
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The monitoring equipment embedded i
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the cell which conditions the evolu
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Figure 10.4.2Cell filled with B pac
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Ventilation of a 250-m long cell re
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• Package retrieval processOnce t
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Figure 10.4.10C Cell at end of oper
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The robot is traversed similarly to
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This operation is complete when a b
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The condition of the drift liner sh
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1111 Operational Safety11.1 Evaluat
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11 - Operational SafetyTransport tr
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11 - Operational SafetyTable 11.1.1
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11 - Operational SafetyResultsTable
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11 - Operational SafetyThe risks ar
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11 - Operational SafetyOn the surfa
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11 - Operational Safety“Honeycomb
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11 - Operational SafetyGiven the me
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11 - Operational SafetyThis risk co
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11 - Operational SafetyHydrogen emi
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11 - Operational SafetyOver and abo
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11 - Operational SafetyFigure 11.4.
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11 - Operational SafetyHowever, wit
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11 - Operational Safety11.5.2 Concl
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11 - Operational Safety11.7.1 Asses
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11 - Operational SafetySuch a damag
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11 - Operational Safety11.8.1.2 Dat
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11 - Operational SafetyIn all cases
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1212 Synthesis12.1 Simple and robus
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12 - SynthesisThe existence of unce
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12 - SynthesisTo concretely illustr
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Bibliographic references[17] Callon
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Bibliographic references[54] Andra
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Bibliographic references[88] IAEA (
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Photo Credits:ANDRA - AREVA CREATIV
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Architecture and management of a geological repository - Andra

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