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  • ANIJD&D198-4

    Decontamination and Decommissioning of the Argonne Thermal Source Reactor

    at Argonne National Laboratory-East Project Final Report

    Decontamination and Decommissioning Program

    Argonne National Laboratory Operated by The University of Chicago, 9700 South Cass Avenue under Contract W-3 1-109-ENG-38, for the Argonne, Illinois 60439 United States Department of Energy

  • Argotme National Laboratory

    Argonne National Laboratory, with facilities in the states of Illinois and Idaho, is owned by the United States Government, and operated by the University of Chicago under the provisions of a contract with the Department of Energy.

    This final project report is a product of Argonne’s Technology Development Division, Decontamination and Decommissioning Program. For information on the division’s activities, contact:

    Director, Technology Development Division Argonne National Laborato~ Argonne, Illinois 60439-4814 Telephone (630) 252-3293

    Disclaimer

    This report was prepared as an account of work sponsored by an agency of the United States Government. Neither the United States Government nor any agency thereof, nor any of their employees, makes any warranty, express or implied, or assumes any legal liability or responsibility for the accuracy, completeness, or usefulness of any information, apparatus, product, or process disclosed, or represents that its use would not infringe privately owned rights. Reference herein to any specific commercial product, process, or service by trade name, trademrwk, manufacturer, or otherwise, does not necessarily constitute or imply its endorsement, recommendation, or favoring by the United States Government or any agency thereof. The views and opinions of authors expressed herein do not necessarily state or reflect those of the United States Government or any agency thereof.

    Available to DOE and DOE contractors from the Office of Scientific and Technical Information, P.O. Box 62, Oak Ridge, TN 37831; prices available from (423) 576-8401.

    Available to the public from the National Technical Information Service, U.S. Department of Commerce, 5285 Port Royal Road, Springfield, VA 22161.

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  • ANL/D&D/98-4

    Decontamination and Decom.rnissioning of the Argonne Thermal Source Reactor at Argonne National Laboratory-East Project Final Report

    Charles Fellhauer

    Julie Mathiesen*

    Gregory Garlock*

    Decontamination and Decommissioning Program Technology Development Division Argonne National Laboratory 9700 South Cass Avenue Argonne, Illinois 60439

    December 1998

    Work sponsored by United States Department of Energy, Office of Environmental Management

    *Mafiie~en ~d Gmlock ~e ~filiated with M(JTA Corporation, Columbia SC

  • DISCLAIMER

    Portions of this document may be illegible in electronic image products. Images are produced from the best available original document.

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    Argonne Thermal Source Reactor Final Report Page i of vi

    TABLE OF CONTENTS

    l.O EXECUTIVE SUMMARY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

    2.0 PROJECT OBJECTIVE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

    3.0 FACILITY HISTORY AND DESCRIPTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

    3.1 ATSR Reactor Facility History . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 3.2 Site Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 3.3 FacilityDescription . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5\

    3.3.1 General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 3.3.2 ReactorAssembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5 3.3.3 Reactor Water Systems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 3.3.4 Shielding . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 3.3.5 ReactorAirSystem . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 3.3.6 GraphitePile . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 3.3.7 SnellBlock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 3.3.8 ControlRoom . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9

    4.0 OVERVIEW OF THE ATSRD&D PROJECT . . . . . . . . . . . . . . . . . . . . . . . . . . . ...10

    4.1 General. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 4.2 MajorTasks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

    5.0 ATSRD&D PROJECT PLANNINGAND Engineering . . . . . . . . . . . . . . . . . . . . 12

    5.1 Project Organization 5.1.1 United States DepartmentofEnergy . . . . . . . . . . . . . . . . . . . . . . . ...12 5.1.2 ArgonneNationalLaboratory-East . . . . . . . . . . . . . . . . . . . . . . . . ...12 5.1.3 D&DFieldWork . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...12 5.1.4 ProjectOversight . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...12 5.1.5 OrganizationalRelationships . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ..13

    5.2 ProjectEngineering . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 5.2.1 Quality Assurance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 5.2.2 ProjectControl . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...17 5.2.3 Project Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 5.2.4 Training . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 5.2.5 Health and Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

    5.2.5.1 Environment, Safety, andHealthPolicy . . . . . . . . . . . ...18 5.2.5.2 Planning and Review . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

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  • Argonne Thermal Source Reactor Final Report Page ii of vi

    6.0

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    5.2.5.3 Radiation Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...19 5.2.5.4 Industrial Hygiene . . . . .. . . . . . . . . . . . . . . . . . . . . . . . ...19 5.2.5.5 Industrial Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...19 5.2.5.6 FireProtection andSecur@. . . . . . . . . . . . . . . . . . . . ...19

    5.3 Conduct ofOperations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...20 5.4 Site Characterization . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...20

    5.4.1 Radiological Contaminants . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .20 5.4.2 HazardousMaterials . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 5.4.3 MixedWaste . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...22

    5.5 Alternative sAssessment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...22

    DECONTAMINATION AND DISASSEMBLY OPERATIONS . . . . . . . . . . . . . ...23

    6.1 6.2

    6.3

    6.4

    General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...23 Pre-Subcontractor Preparation and Characterization . . . . . . . . . . . . . . . . . . ...23 6.2.1 ProjectPreparations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...23 6.2.2 Facility Characterization . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 SubcontractorMobilization.... . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...24 6.3.1 ContractAward . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...24 6.3.2 Mobilization . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .24 6.3.3 Set-Up . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...25 6.3.4 Pre-WorkBioassay andWholeBodyCount . . . . . . . . . . . . . . . . . ...25 6.3.5 Baseline RadiologicalSurveys. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .25 Decommissioning Activities . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...25 6.4.1 Lead-BasedPaintRemoval . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25 6.4.2 ActivatedLeadRemoval . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25 6.4.3 ActivatedGraphiteRemoval.... . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27 6.4.4 ReactorAssemblyRemoval . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27

    6.4.4.1 ShieldingRemoval . . . . . . . . . . . . . . . . . . . . . . . . . . . ...27 6.4.4.2 Reactor and ShieldTankRemoval . . . . . . . . . . . . . . . ...27

    6.4.5 MiscellaneousEquipmentRemoval . . . . . . . . . . . . . . . . . . . . . . . ...27 6.4.5.1 ElectricalSystemRemoval . . . . . . . . . . . . . . . . . . . . . ...27 6.4.5.2 ReactorPipingandVdvesRemoval . . . . . . . . . . . . . ...27 6.4.5.3 SnellBlockTableRemoval . . . . . . . . .