ML23213A234

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Submittal of Defueled Safety Analysis Report and Decommissioning Quality Assurance Plan
ML23213A234
Person / Time
Site: Crane Constellation icon.png
Issue date: 08/01/2023
From: Devik T
TMI-2 Energy Solutions
To:
Office of Nuclear Material Safety and Safeguards, Document Control Desk
References
TMI2-RA-COR-2023-0019
Download: ML23213A234 (169)


Text

August 1, 2023 TMI2-RA-COR-2023-0019 10 CFR 50.71(e) 10 CFR 50.54(a)(3) 10 CFR 71.106(b)

U.S. Nuclear Regulatory Commission ATTN: Document Control Desk Washington, DC 20555-0001 Three Mile Island Nuclear Station, Unit 2 (TMI-2)

NRC Possession Only License No. DPR 73 NRC Docket No. 50-320

Subject:

Submittal of Defueled Safety Analysis Report and Decommissioning Quality Assurance Plan

Reference:

Letter from Gerard P. Van Noordennen, EnergySolutions, to Document Control Desk, USNRC, Three Mile Island Nuclear Station, Unit 2, Update 14 of Post-Defueling Monitored Storage Safety Analysis Report, dated August 10, 2021 (ML21236A288)

In accordance with 10 CFR 50.71, Maintenance of records, making of reports, and 10 CFR 50.54, Conditions of licenses, TMI-2 Solutions, LLC (TMI-2S) is providing the updated Defueled Safety Analysis Report (DSAR), Revision 0, and Decommissioning Quality Assurance Plan (DQAP), Revision 20.

The last revision of the Post-Defueling Monitored Storage (PDMS) Safety Analysis Report (SAR) was submitted to the Nuclear Regulatory Commission (NRC) on August 10, 2021. The current revision supports the transition from PDMS to active decommissioning. This update reflects the current plant configuration and administrative processes. This revision replaces the PDMS SAR in its entirety.

The last revision of the PDMS Quality Assurance Plan (QAP) was submitted on August 10, 2021. The current revision supports the transition from PDMS to active decommissioning. The changes from the PDMS QAP to the DQAP were evaluated in accordance with 10 CFR 50.54(a)(3) and 10 CFR 71.106(b). These evaluations determined that there was no reduction in the TMI-2S QA Program commitments requiring prior NRC approval. This revision to the PDMS QAP includes the requirements that were relocated to the DQAP from the PDMS Technical Specifications. Changes within this revision are marked by vertical lines in the right-hand margin of the document.

This letter contains no new regulatory commitments.

TMI2-RA-COR-2023-0019 Page 2 In accordance with 10 CFR 50.91(b)(1), a copy of this submittal has been sent to the Commonwealth of Pennsylvania.

As required by 10 CFR 50.71(e)(2)(i), I certify that to the best of my knowledge, the information contained in the Enclosures to this letter accurately reflect information and analyses submitted to the NRC, or prepared pursuant to the NRC requirements as described above.

If you have any questions with respect to the contents of this letter, please contact me at (603) 384-0239 or trdevik@energysolutions.com.

Respectfully, Timothy R. Devik Licensing Manager TMI2Solutions cc:

NRC Regional Administrator - Region I NRC Lead Inspector - Three Mile Island Nuclear Station - Unit 2 NRC Project Manager - Three Mile Island Nuclear Station - Unit 2 Director, Bureau of Radiation Protection - PA Dept of Environmental Protection Chief, Division of Nuclear Safety, Bureau of Radiation Protection - PA Dept of Environmental Protection Chairman, Board of County Commissioners - Dauphin County Manager - Londonderry Township

Enclosures:

1. Defueled Safety Analysis Report, Revision 0
2. Decommissioning Quality Assurance Plan, Revision 20 Digitally signed by Timothy Devik DN: C=US, OU=Licensing, O=TMI-2 Solutions, CN=Timothy Devik, E=trdevik@energysolutions.com Reason: Approved Location: your signing location here Date: 2023-08-01 12:58:36 Foxit PhantomPDF Version: 9.7.5 Timothy Devik

118 Pages Follow Defueled Safety Analysis Report, Revision 0

TMI-2 DEFUELED SAFETY ANALYSIS REPORT TMI2-RA-LBD-2023-0003

TMI-2 Defueled Safety Analysis Report Revision 0 ii TABLE OF CONTENTS INTRODUCTION AND GENERAL DESCRIPTION OF PLANT............................................................................................................. 1-1

1.1 INTRODUCTION

.................................................................................................... 1-2 1.1.1 Post-Defueling Monitored Storage............................................................. 1-2 1.1.2 Decommissioning.......................................................................................... 1-2 1.1.3 Safety-Related Structures, Systems, and Components............................. 1-3 1.1.4 Important to Safety.................................................................................... 1-4 1.1.5 Terms Used to Describe the Damaged Special Nuclear Material at TMI-2

........................................................................................................................ 1-5 1.1.6 Relation of the TMI-2 DSAR to the Existing TMI-1 DSAR and TMI-2 FSAR............................................................................................................. 1-5 1.2 GENERAL PLANT DESCRIPTION.................................................................... 1-5 1.2.1 Site Characteristics...................................................................................... 1-6 1.2.2 Reactor Building.......................................................................................... 1-6 1.2.3 Fire Protection, Service, and Suppression................................................. 1-6 1.2.4 Radioactive Waste Management................................................................ 1-6 1.2.5 Radiation Monitoring.................................................................................. 1-7 1.2.6 Electrical Systems........................................................................................ 1-7 1.2.7 Cork Seam.................................................................................................... 1-7 1.2.8 Decommissioning Support Systems............................................................ 1-7 1.3 MATERIAL REFERENCED................................................................................. 1-8 1.4 PRESENTATION.................................................................................................. 1-11 Table 1.4-1, DSAR Figures.................................................................................... 1-11 Table 1.4-2, Abbreviations and Acronyms.......................................................... 1-12 Figure 1.2-1, General Arrangement of TMI-2 Cork Seam Area................................... 1-13 SITE CHARACTERISTICS...................................................... 2-1 2.1 GEOGRAPHY AND DEMOGRAPHY................................................................. 2-2 2.1.1 Site Location................................................................................................. 2-2 2.1.2 Site Description............................................................................................ 2-2 2.1.3 Population and Population Distribution.................................................... 2-2 2.2 NEARBY INDUSTRIAL, TRANSPORTATION, AND MILITARY FACILITIES............................................................................................................ 2-2

TMI-2 Defueled Safety Analysis Report Revision 0 iii 2.3 METEOROLOGY................................................................................................... 2-2 2.4 HYDROLOGIC ENGINEERING......................................................................... 2-3 2.4.1 Hydrologic Description................................................................................ 2-3 2.4.2 Floods............................................................................................................ 2-3 2.4.3 Flooding Protection Requirements............................................................. 2-3 2.4.4 Environmental Acceptance of Effluents.................................................... 2-4 2.4.5 Groundwater................................................................................................ 2-5 2.4.6 Flood Protection........................................................................................... 2-5 2.5 GEOLOGY AND SEISMOLOGY......................................................................... 2-5 2.6 RADIOLOGICAL ENVIRONMENTAL MONITORING PROGRAM........... 2-6 Figure 2.1-1, General Area Map......................................................................................... 2-7 Figure 2.1-2, Site Topographical Map, 5-Mile Radius..................................................... 2-8 Figure 2.1-3, Extended Plot Plan........................................................................................ 2-9 Figure 2.4-1, Flood Water Surface Profiles..................................................................... 2-10 Figure 2.4-2, Details of Outfall 001 Discharge System................................................... 2-11 DESIGN CRITERIA - STRUCTURES, SYSTEMS, AND COMPONENTS.............................................................................................. 3-1 3.1 CONFORMANCE WITH NRC GENERAL DESIGN CRITERIA................... 3-2 3.1.1 Criterion 1 - Quality Standards and Records........................................... 3-2 3.1.2 Criterion 2 - Design Bases for Protection Against Natural Phenomena 3-3 3.1.3 Criterion 3 - Fire Protection....................................................................... 3-3 3.1.4 Criterion 60 - Control of Releases of Radioactive Materials to the Environment................................................................................................. 3-4 3.1.5 Criterion 64 - Monitoring Radioactivity Releases.................................... 3-4 3.2 CLASSIFICATION OF STRUCTURES, SYSTEMS, AND COMPONENTS.. 3-4 3.2.1 Seismic Classification................................................................................... 3-4 Table 3.2-1, Category II Systems............................................................................ 3-7 3.3 MISSILE PROTECTION....................................................................................... 3-8 3.3.1 Missiles Generated by Natural Phenomena.............................................. 3-8 Table 3.3-1, Tornado-Generated Missiles.............................................................. 3-8 Table 3.3-2, Summary of Results.......................................................................... 3-10 3.3.2 Criteria and Design.................................................................................... 3-10 3.4 WATER LEVEL (FLOOD) DESIGN.................................................................. 3-11

TMI-2 Defueled Safety Analysis Report Revision 0 iv 3.4.1 Flood Elevation........................................................................................... 3-11 3.4.2 Phenomena Considered in Design Load Calculations............................ 3-11 3.4.3 Flood Force Application............................................................................ 3-11 3.4.4 Flood Protection......................................................................................... 3-11 3.5 HEAVY LOADS PROGRAM.............................................................................. 3-12 FUEL............................................................................................ 4-1

4.1 INTRODUCTION

.................................................................................................... 4-2

4.2 BACKGROUND

INFORMATION....................................................................... 4-2 4.2.1 Description of the March 1979 Accident................................................... 4-2 4.2.2 Post-Accident Conditions............................................................................ 4-3 Table 4.2-1, Core Material Inventory.................................................................... 4-5 4.3 SPECIAL NUCLEAR MATERIAL ACCOUNTABILITY AND CRITICALITY SAFETY ANALYSIS............................................................................................... 4-6 4.3.1 Introduction.................................................................................................. 4-6 4.3.2 Background.................................................................................................. 4-6 4.3.3 Historical SNM Accountability Process..................................................... 4-7 4.3.4 Post-Defueling SNM Accountability........................................................ 4-10 4.3.5 Criticality Analysis..................................................................................... 4-11 4.3.6 Control of SNM During PDMS................................................................ 4-11 4.3.7 Control of SNM During Decommissioning.............................................. 4-11 Table 4.3-1, Final SNM Inventory by Location - Reactor Building................. 4-13 Table 4.3-2, Final SNM Inventory by Location - Auxiliary and Fuel Handling Buildings..................................................................................................... 4-14 Table 4.3-3, Auxiliary and Fuel Handling Building Cubicle Designation........ 4-15 Figure 4.3-1, SNM Accountability Locations, Reactor Building, 282-6 Elevation... 4-19 Figure 4.3-2, SNM Accountability Locations, Reactor Building, 305-0 Elevation... 4-20 Figure 4.3-3, SNM Accountability Locations, Reactor Building, 347-6 Elevation... 4-21 Figure 4.3-4, Fuel Handling and Auxiliary Building, 280-6 Elevation...................... 4-22 Figure 4.3-5, Fuel Handling and Auxiliary Building, 305-0 Elevation...................... 4-23 Figure 4.3-6, Fuel Handling and Auxiliary Building, 328-0 Elevation...................... 4-24 Figure 4.3-7, Fuel Handling and Auxiliary Building, 347-6 Elevation...................... 4-25 RADIOLOGICAL CONDITIONS........................................... 5-1

5.1 INTRODUCTION

.................................................................................................... 5-2

TMI-2 Defueled Safety Analysis Report Revision 0 v

5.2 ENSURING OCCUPATIONAL RADIATION EXPOSURES ARE AS LOW AS IS REASONABLY ACHIEVABLE....................................................................... 5-2 5.2.1 ALARA Program......................................................................................... 5-2 5.3 PDMS RADIOLOGICAL SURVEY...................................................................... 5-3 5.3.1 Radiological Assessment.............................................................................. 5-3 5.3.2 Radiological Conditions at Beginning of PDMS....................................... 5-4 Table 5.3-1, PDMS Radiological Conditions - Reactor Building........................ 5-5 Table 5.3-2, PDMS Radiological Conditions - Auxiliary and Fuel Handling Buildings....................................................................................................... 5-6 Table 5.3-3, PDMS Radiological Conditions - Other Buildings........................ 5-12 Table 5.3-4, Surface Contamination - Reactor Building................................... 5-13 Table 5.3-5, Surface Contamination - Auxiliary and Fuel Handling Buildings.. 5-14 Table 5.3-6, Surface Contamination - Other Buildings..................................... 5-18 5.3.3 Reactor Building Drone Survey................................................................ 5-18 5.4 RADIATION PROTECTION PROGRAM........................................................ 5-19 5.4.1 Equipment, Instrumentation, and Facilities............................................ 5-19 5.4.2 Procedures.................................................................................................. 5-19 5.5 RADIOACTIVE WASTE MANAGEMENT...................................................... 5-20 5.5.1 Radioactive Waste - Miscellaneous Liquids (WDL) System................. 5-20 5.5.2 Sump Pump Discharge and Miscellaneous Sumps System.................... 5-21 Table 5.5-1, Operational Sump Systems.............................................................. 5-21 5.6 RADIATION MONITORING.............................................................................. 5-21 5.6.1 Function...................................................................................................... 5-21 5.6.2 Radiological Surveys.................................................................................. 5-22 5.6.3 Effluent Monitoring................................................................................... 5-22 5.6.4 General Radiological Monitoring............................................................. 5-22 5.7 SEALED SOURCES.............................................................................................. 5-22 Appendix 5A, Results of TMI-2 Reactor Building Drone Surveys............................... 5-23 Appendix 5B, Sealed Source Requirements.................................................................... 5-26 DEACTIVATED SYSTEMS AND FACILITIES................... 6-2 OPERATIONAL SYSTEMS AND FACILITIES................... 7-1

7.1 INTRODUCTION

.................................................................................................... 7-2

TMI-2 Defueled Safety Analysis Report Revision 0 vi 7.2 OPERATIONAL FACILITIES.............................................................................. 7-2 7.2.1 Reactor Building.......................................................................................... 7-2 7.2.2 Auxiliary Building........................................................................................ 7-2 7.2.3 Fuel Handling Building............................................................................... 7-3 7.2.4 Flood Protection........................................................................................... 7-3 7.2.5 Control and Service Buildings.................................................................... 7-3 7.2.6 Turbine Building.......................................................................................... 7-3 7.2.7 Containment Air Control Envelope........................................................... 7-3 7.3 OPERATIONAL SYSTEMS.................................................................................. 7-4 7.3.1 Reactor Building Systems............................................................................ 7-4 7.3.2 Fire Protection, Service, and Suppression................................................. 7-4 7.3.3 Electrical Systems........................................................................................ 7-5 7.3.4 Support Systems........................................................................................... 7-5 Table 7.3-1, Operational Systems........................................................................... 7-7 ROUTINE AND UNANTICIPATED RELEASES................. 8-1 8.1 GENERAL................................................................................................................ 8-2 8.1.1 Routine Releases........................................................................................... 8-2 8.1.2 Source Terms................................................................................................ 8-3 8.1.3 Unanticipated Releases................................................................................ 8-4 Table 8.1-1, Ci Fractions in Residual Fuel............................................................ 8-4 8.2 UNANTICIPATED EVENTS ANALYSIS........................................................... 8-4 8.2.1 Introduction.................................................................................................. 8-4 8.2.2 Dose Rate Limits for Fires and HEPA Filter Failure............................... 8-5 Table 8.2-1, Container Dose Rates for Each Release Scenario and Various Distances....................................................................................................... 8-6 Table 8.2-2, Building HEPA Filter Dose Rate Limits........................................... 8-6 8.2.3 Waste Handling Events............................................................................... 8-7 Table 8.2-3, 1 EC at Nearest Drinking Water PWST Activity Limits................ 8-8 8.2.4 Oxyacetylene Explosion............................................................................... 8-8 8.2.5 Other Events................................................................................................. 8-8 TECHNICAL SPECIFICATIONS........................................... 9-2 ADMINISTRATIVE FUNCTIONS...................................... 10-1

TMI-2 Defueled Safety Analysis Report Revision 0 vii

10.1 INTRODUCTION

.................................................................................................. 10-2 10.2 QUALITY ASSURANCE PLAN.......................................................................... 10-2 10.3 SECURITY PLAN................................................................................................. 10-3 10.4 EMERGENCY PLAN........................................................................................... 10-3 10.5 RADIATION PROTECTION PROGRAM........................................................ 10-4 10.6 ORGANIZATION................................................................................................. 10-4

TMI-2 Defueled Safety Analysis Report Chapter 1:

Revision 0 Introduction and General Description of Plant INTRODUCTION AND GENERAL DESCRIPTION OF PLANT

TMI-2 Defueled Safety Analysis Report Chapter 1:

Revision 0 Introduction and General Description of Plant 1-2

1.1 INTRODUCTION

The Three Mile Island Unit 2 (TMI-2) operating license was issued on February 8, 1978, and commercial operation was declared on December 30, 1978. On March 28, 1979, the unit experienced an accident that resulted in severe damage to the reactor core. TMI-2 has been in a non-operating status since that time. GPU Nuclear (GPUN) conducted a substantial program to defuel the Reactor Vessel (RV) and decontaminate the facility. As a result, TMI-2 was defueled and decontaminated to the extent that the plant was placed in a safe, inherently stable condition suitable for long-term management, and any threat to public health and safety had been minimized. This long-term management condition, termed Post-Defueling Monitored Storage (PDMS), was entered in December 1993.

In December 2020, the Nuclear Regulatory Commission (NRC) approved the transfer of GPUN Possession Only License No. DPR-73 for Three Mile Island Nuclear Station (TMINS) Unit 2 to TMI-2 Solutions. In February 2021, TMI-2 Solutions submitted a License Amendment Request to the NRC to modify the TMI-2 Technical Specifications to permit the completion of the decommissioning of TMI-2.

1.1.1 POST-DEFUELING MONITORED STORAGE PDMS was established on December 28, 1993, based on three principal considerations:

A. The RV and the Reactor Coolant System (RCS) have been defueled and the core material has been shipped offsite.

B. Decontamination has been completed to the extent that further major decontamination programs are not justified on the basis of worker dose.

C. A condition of stability and safety has been established such that there is no risk to public health and safety.

1.1.2 DECOMMISSIONING Decommissioning efforts are largely divided into two phases. Phase 1 has been broken into two subphases. Phase 1A represents a continuation of PDMS, during which preparations for decommissioning will occur. Phase 1B focuses on remediation of the areas subject to core damage from the 1979 accident, with the overall goal to reduce the radiological source term at TMI-2 and the TMI-2 site to levels that are generally consistent with a nuclear plant toward the end of its operational life that has not experienced a core-damage accident.

A. Physical dismantlement and decontamination activities will begin in 2023.

Specific Phase 1B decommissioning objectives include but are not limited to:

1. Reduce the reactor building source term by removing the remaining Fuel Bearing Material (FBM) and remediating the most highly contaminated areas.
2. Package, transport, and store FBM at the ISFSI1.

1 The dry cask vendor for TMI-2 is pursuing a licensing designation for the proposed dry storage canisters which is not Spent Nuclear Fuel or Greater Than Class C (GTCC), but instead uses the term Fuel Bearing Material.

TMI-2 Defueled Safety Analysis Report Chapter 1:

Revision 0 Introduction and General Description of Plant 1-3

3. Reduce the source term of large components.
4. Remove, package, and dispose of Class A, Class B, and Class C radioactive waste.

B. The overall goal of Phase 2 is decommissioning of the TMI-2 site to a level that permits the release of the site for unrestricted use, except for an area to be set aside for long-term storage of Fuel Bearing Material (FBM). Specific Phase 2 decommissioning objectives include but are not limited to:

1. Remove, package, and dispose of all remaining systems and equipment in preparation for structural demolition.
2. Demolish and dispose of all plant structures.
3. Prepare and execute the License Termination Plan.
4. Backfill the site as needed.

1.1.3 SAFETY-RELATED STRUCTURES, SYSTEMS, AND COMPONENTS Due to the non-operating and defueled status of TMI-2 during decommissioning, there are no Structures, Systems, or Components (SSCs) classified as Safety-related at TMI-2. Safety-related SSCs are those which are necessary to ensure:

A. The integrity of the reactor coolant pressure boundary, B. The capability to shut down the reactor and to maintain it in a safe shutdown condition, or C. The capability to prevent or mitigate the consequences of accidents which could result in potential offsite exposures comparable to the guidelines of 10 CFR 100, Reactor Site Criteria (Ref. 1.3.9).

Criterion A requires maintenance of the reactor coolant pressure boundary. Due to the defueled condition of TMI-2, there is no reactor coolant or reactor coolant pressure boundary required.

Criterion B requires a capability to shut down the reactor and maintains it in a safe shutdown condition. In its current defueled state, there are no SSCs required to maintain a safe shutdown condition.

Criterion C requires a capability to prevent or mitigate the consequences of accidents that could result in potential offsite exposures comparable to the guidelines of 10 CFR 100, Reactor Site Criteria (Ref. 1.3.9). The analysis detailed in Chapter 8 demonstrates that there are no postulated events which could result in exposures comparable to the guidelines of 10 CFR 100, Reactor Site Criteria (Ref. 1.3.9).

TMI-2 Defueled Safety Analysis Report Chapter 1:

Revision 0 Introduction and General Description of Plant 1-4 1.1.4 IMPORTANT TO SAFETY Another commonly used term is Important to Safety. The most complete definition of what constitutes an Important to Safety SSC as defined in 10 CFR 50, Domestic Licensing of Production and Utilization Facilities (Ref. 1.3.3), is found in 10 CFR 50.49 (Ref. 1.3.3), which can be extended to all SSCs. Based on the discussion provided below, there are no Important to Safety SSCs at TMI-2. From this, Important to Safety can be defined as the following, taken from 10 CFR 50.49 (Ref. 1.3.3):

(1) Safety-related electric equipment (i) This equipment is that relied upon to remain functional during and following design basis events to ensure (A) The integrity of the reactor coolant pressure boundary; (B) The capability to shut down the reactor and maintain it in a safe shutdown condition; or (C) The capability to prevent or mitigate the consequences of accidents that could result in potential offsite exposures comparable to the guidelines in § 50.34(a)(1), § 50.67(b)(2), or § 100.11 of this chapter, as applicable.

(ii) Design basis events are defined as conditions of normal operation, including anticipated operational occurrences, design basis accidents, external events, and natural phenomena for which the plant must be designed to ensure functions (b)(1)(i) (A) through (C) of this section.

(2) Nonsafety-related electric equipment whose failure under postulated environmental conditions could prevent satisfactory accomplishment of safety functions specified in subparagraphs (b)(1)(i) (A) through (C) of paragraph (b)(1) of this section by the safety-related equipment.

(3) Certain post-accident monitoring equipment.

With respect to paragraph (1)(i) and as described in Section 1.1.4 of TMI-2 Post-Defueling Monitored Storage Safety Analysis Report (PDMS SAR) (Ref. 1.3.52),

there is no safety-related SSCs at TMI-2.

With respect to paragraph (1)(ii), as there is no Safety-related equipment at TMI-2, there are no applicable events for which TMI-2 needs to be designed to ensure the function of safety-related equipment.

With respect to paragraph (2), as Paragraph (1)(i) does not apply, there is no need for safety-related electrical equipment.

With respect to paragraph (3), it refers to specific guidance concerning the types of variables to be monitored is provided in Revision 2 of NRC Regulatory Guide 1.97, Instrumentation for Light-Water-Cooled Nuclear Power Plants to Assess Plant and Environs Conditions During and Following an Accident (Ref. 1.3.12). In review of this regulatory guide, the instrumentation referenced is that need to monitor design basis events, or in other words, events that could challenge items (1)(i)(A) through (1)(i)(C) above. There is no requirement for post-accident monitoring equipment.

TMI-2 Defueled Safety Analysis Report Chapter 1:

Revision 0 Introduction and General Description of Plant 1-5 Another measure of whether an SSC is Important to Safety is whether it is required by Technical Specifications. With NRC approval of the PDMS to DECON License Amendment, there will be no systems required by Technical Specifications; thus, this measure of Important to Safety is not satisfied.

As described in TMI2-QA-PG-001, Three Mile Island Unit 2 Decommissioning Quality Assurance Plan (DQAP) (Ref. 1.3.40), the concept of what is Important to Safety in 10 CFR 71, Packaging and Transportation of Radioactive Material (Ref. 1.3.5) differs from the concept in 10 CFR 50, Domestic Licensing of Production and Utilization Facilities, Appendix B (Ref. 1.3.3), described above.

When applying the criteria of 10 CFR 50, Appendix B (Ref. 1.3.3), at TMI-2, the unique shutdown and defueled status of the facility is considered.

1.1.5 TERMS USED TO DESCRIBE THE DAMAGED SPECIAL NUCLEAR MATERIAL AT TMI-2 Several terms are used to describe the damaged Special Nuclear Material (SNM) at TMI-2. Core Debris is used to describe approximately 99% of the damaged SNM removed during the cleanup program, which ended when TMI-2 was placed in PDMS. Fuel Bearing Material (FBM) is used to describe the remaining 1% of SNM and any accompanying material that will be placed in canisters and stored at the TMI-2 ISFSI. Residual Fuel is used to describe the UO2 portion of the FBM at TMI-

2.

1.1.6 RELATION OF THE TMI-2 DSAR TO THE EXISTING TMI-1 DSAR AND TMI-2 FSAR This TMI-2 DSAR makes reference to relevant portions of the TMI-1 Defueled Safety Analysis Report (TMI-1 DSAR) (Ref. 1.3.49) or the TMI-2 Final Safety Analysis Report (TMI-2 FSAR) (Ref. 1.3.51). The TMI-1 DSAR will continue to be updated as required, and the updated document will be applicable for those changing site-related conditions that have a bearing on TMI-2. The TMI-2 FSAR will not be updated but will continue to be applied as appropriate to TMI-2.

1.2 GENERAL PLANT DESCRIPTION On March 28, 1979, TMI-2 experienced an accident which severely damaged the reactor core. From late 1985 to early 1990, the reactor core was removed and shipped to the Idaho National Engineering Laboratory for analysis and long-term storage; the last shipment took place in April 1990. In addition, the facility was substantially decontaminated and was placed in a stable and benign condition suitable for long-term management.

TMI-2 was originally designed to comply with the seventy General Design Criteria of 10 CFR 50, Domestic Licensing of Production and Utilization Facilities, Appendix A, dated July 11, 1967 (Ref. 1.3.3), and addressed plant design with respect to the Revised General Design Criteria dated July 15, 1971, and similarly detailed in 10 CFR 50, Domestic Licensing of Production and Utilization Facilities, Appendix A (Ref. 1.3.3). Due to the present defueled status of TMI-2, many of these criteria no longer apply to the facility. A description of the applicable General Design Criteria, revised as of January 1, 1987, and listed in 10 CFR 50, Domestic Licensing of Production and Utilization Facilities, Appendix A (Ref. 1.3.3), is included in Section 3.1.

TMI-2 Defueled Safety Analysis Report Chapter 1:

Revision 0 Introduction and General Description of Plant 1-6 1.2.1 SITE CHARACTERISTICS As described in Chapter 2, the site is located on the Susquehanna River about ten miles southeast of Harrisburg, Pennsylvania. It is characterized by a 2,000-foot minimum exclusion distance; a two-mile radius low-population zone; sound bedrock as a structural foundation; an ample supply of emergency offsite power and favorable conditions of hydrology, geology, seismology, and meteorology. The land within a ten-mile radius of the site is used primarily for farming.

There are two airports within ten miles of the site. Harrisburg International Airport (formerly Olmsted State Airport) is located approximately two and one-half miles northwest of the site, and the Capitol City Airport is located approximately eight miles west-northwest of the site.

1.2.2 REACTOR BUILDING The Reactor Building is a reinforced concrete structure composed of cylindrical walls with a flat foundation mat and a dome roof lined with carbon steel. The structure provides biological shielding for normal and unanticipated conditions.

The steel liner encloses the equipment and systems which remain inside the Reactor Building.

1.2.3 FIRE PROTECTION, SERVICE, AND SUPPRESSION TMI-2 has been permanently defueled. The Fire Protection requirements of 10 CFR 50.48(f) (Ref. 1.3.3) apply; these requirements are described more thoroughly in NRC Regulatory Guide 1.191, Fire Protection Program for Nuclear Power Plants During Decommissioning and Permanent Shutdown (Ref. 1.3.11).

The TMI-2 Fire Protection Program meets the requirements of NRC Regulatory Guide 1.191, Fire Protection Program for Nuclear Power Plants During Decommissioning and Permanent Shutdown (Ref. 1.3.11). TMI2-FP-EVA-0001, TMI-2 Fire Protection Plan Evaluation (FPPE) (Ref. 1.3.37), describes how the program satisfies these requirements.

1.2.4 RADIOACTIVE WASTE MANAGEMENT A major component of the decommissioning work scope for TMI-2 is the packaging, transportation, and disposal of contaminated/activated equipment, piping, concrete, and soil. A waste management plan that is consistent with regulatory requirements and disposal/processing options for each waste type at the time of the decommissioning activities will be used.

Low-Level Radioactive Waste (LLRW) will be disposed at a site that is Licensed to receive it for disposal. LLRW from TMI-2 will be packaged to meet Department of Transportation (DOT) criteria for shipment and transported by licensed transporters. The waste management plan is based on the evaluation of available methods and strategies for processing, packaging, and transporting radioactive waste in conjunction with the available disposal facility options and associated Waste Acceptance Criteria (WAC).

Waste is planned to be transported largely by railroad in standard and specialty bulk packages, such as intermodal containers, and gondola-type rail cars.

TMI-2 Defueled Safety Analysis Report Chapter 1:

Revision 0 Introduction and General Description of Plant 1-7 1.2.5 RADIATION MONITORING Radiation monitors will be maintained operational to provide for evaluation of airborne radiological conditions. This requires monitoring the Reactor Building exhaust ventilation and the station vent during periods when a ventilation system is operating. The monitors will provide the necessary information to evaluate environmental releases and air quality conditions in the plant.

Monitoring and survey data will provide a basis for a trend analysis to ensure that radioactive contamination is controlled in the plant and enables timely corrective actions, if necessary.

1.2.6 ELECTRICAL SYSTEMS Portions of the TMI-2 AC and DC electrical systems will be maintained operational to provide reliable power to decommissioning support systems, controls, and instrumentation.

1.2.7 CORK SEAM The TMI-2 Cork Seam is a construction joint located between the various major structures at TMI-2 (see Figure 1.2-1, General Arrangement of TMI-2 Cork Seam Area). During the TMI-2 accident, the cork seam located in the Auxiliary Building Seal Injection Valve Room (SIVR) was contaminated with radioactive water. Since the accident, radioactive material has spread along the joint in one direction into the Annulus and in the other direction into the Auxiliary Building, Service Building, and Control Building. The radioactive contamination is prevented from entering the groundwater table by a Poly-Vinyl Chloride (PVC) water stop and thus minimizes the threat to the health and safety of the public.

A program is in place for continued monitoring of the water level in the cork seam by the plant staff. If the water levels begin to increase, the water will be pumped out for processing as needed.

1.2.8 DECOMMISSIONING SUPPORT SYSTEMS Other systems necessary to support decommissioning activities have been provided.

The ventilation systems for the Auxiliary Building, Fuel Handling Building, Control Building, and Service Building will remain operational to the extent needed to maintain an acceptable level of habitability in the areas and to mitigate the effects of temperature and humidity extremes. The systems may be replaced with suitable temporary local ventilation equipment if age and deterioration lead to failure of the original installed plant equipment. Building in-leakage will be collected in the various sumps and handled through the appropriate liquid waste disposal process.

TMI-2 Defueled Safety Analysis Report Chapter 1:

Revision 0 Introduction and General Description of Plant 1-8 1.3 MATERIAL REFERENCED The following documents are referenced as part of this application.

1.3.1 10 CFR 20, Standards for Protection Against Radiation.

1.3.2 10 CFR 37, Physical Protection of Category 1 and Category 2 Quantities of Radioactive Material.

1.3.3 10 CFR 50, Domestic Licensing of Production and Utilization Facilities.

1.3.4 10 CFR 70, Domestic Licensing of Special Nuclear Material.

1.3.5 10 CFR 71, Packaging and Transportation of Radioactive Material.

1.3.6 10 CFR 72, Licensing Requirements for the Independent Storage of Spent Nuclear Fuel, High-Level Radioactive Waste, and Reactor-Related Greater Than Class C Waste.

1.3.7 10 CFR 73.67, Licensee fixed site and in-transit requirements for the physical protection of special nuclear material of moderate and low strategic significance.

1.3.8 10 CFR 74, Material Control and Accounting of Special Nuclear Material.

1.3.9 10 CFR 100, Reactor Site Criteria.

1.3.10 NEI 99-01, Development of Emergency Action Levels for Non-Passive Reactors, Revision 6, dated November 2012.

1.3.11 NRC Regulatory Guide 1.191, Fire Protection Program for Nuclear Power Plants During Decommissioning and Permanent Shutdown.

1.3.12 NRC Regulatory Guide 1.97, Instrumentation for Light-Water-Cooled Nuclear Power Plants to Assess Plant and Environs Conditions During and Following an Accident, Revision 2.

1.3.13 NRC Regulatory Guide 7.10, Establishing Quality Assurance Programs for Packaging Used in Transport of Radioactive Material.

1.3.14 NRC Regulatory Guide 8.8, Information Relevant to Ensuring That Occupational Radiation Exposures at Nuclear Power Stations Will Be As Low As Is Reasonably Achievable.

1.3.15 NSAC 80-1, Analysis of Three Mile Island Unit 2 Accident, Electrical Power Research Institute, March 1980.

1.3.16 NUREG-0683, Final Programmatic Environmental Impact Statement Related to Decontamination and Disposal of Radioactive Wastes Resulting from March 28, 1979, Accident, Three Mile Island Nuclear Station, Unit 2, March 1981.

1.3.17 NUREG-0683, Supplement 3, Programmatic Environmental Impact Statement Related to Decontamination and Disposal of Radioactive Wastes Resulting from March 28, 1979 Accident, Three Mile Island Nuclear Station, Unit 2, August 1989.

1.3.18 NUREG-0800, Standard Review Plan for the Review of Safety Analysis Reports for Nuclear Power Plants: LWR Edition.

TMI-2 Defueled Safety Analysis Report Chapter 1:

Revision 0 Introduction and General Description of Plant 1-9 1.3.19 NUREG/CR-6407, Classification of Transportation Packaging and Dry Spent Fuel Storage System Components According to Importance to Safety.

1.3.20 Rogovin, M., et al., Three Mile Island: A Report to the Commissioners and the Public. U.S. Nuclear Regulatory Commission, January 1980.

1.3.21 U.S. Department of Transportation, Bureau of Transportation Statistics, U.S.

General Aviation Safety Data and U.S. Air Carrier Safety Data; Website:

https://www.bts.gov/topics/national-transportation-statistics. Accessed 1/17/2023.

1.3.22 U.S. Department of Transportation, Federal Aviation Administration (FAA), The Operations Network (OPSNET). Website: https://aspm.faa.gov/opsnet/sys/main.asp.

Accessed 1/17/2023.

1.3.23 U.S. Environmental Protection Agency, EPA-400/R-17/001, PAG Manual:

Protective Action Guides and Planning Guidance for Radiological Incidents.

1.3.24 U.S. Environmental Protection Agency, National Pollution Discharge Elimination System (NPDES) Permit No. PA0009920, issued December 30, 1974.

1.3.25 U.S. Nuclear Regulatory Commission, Humboldt Bay Independent Spent Fuel Storage Installation Safety Evaluation Report, Docket No. 72-27, November 2005 (NRC Document ML053140041).

1.3.26 164090-EN-CALC-003, TMI-2 Source Term Limitations and Administrative Controls to Prevent Exceeding the Emergency Action Levels (EALs) for Zeolite Liner Drop and Processed Water Storage Tank (PWST) Rupture.

1.3.27 164090-EN-CALC-004, Source Term Limitations and Administrative Controls for the TMI-2 Decommissioning Emergency Plan Action Levels, Revision 0.

1.3.28 Calculation 6612-93-021, TMI-2 Waste Stream Update, Revision 0, dated June 25, 1993.

1.3.29 CY-AA-170-100, Radiological Environmental Monitoring Program (REMP).

1.3.30 CY-TM-170-300, Offsite Dose Calculation Manual (ODCM).

1.3.31 EP-TM-1002, Three Mile Island Independent Spent Fuel Storage Installation (ISFSI) Only Emergency Plan (IOEP).

1.3.32 GPU Nuclear 4000-ADM-4420.03, Review and Qualification of Selected Preliminary Calculations and Characterization Measurements for SNM Documentation.

1.3.33 GPU Nuclear 4000-PLN-4420.02, SNM Accountability Plan.

1.3.34 TMI2-EN-CALC-S-00-0011, TMI-2 Aircraft Impact of Reactor Building, Revision 0.

1.3.35 TMI2-EN-PN-102, TMI-2 Flood Protection Plan 1.3.36 TMI2-EN-RPT-001, Determination of the Safe Fuel Mass Limit for Decommissioning TMI-2, Revision 1.

1.3.37 TMI2-FP-EVA-0001, TMI-2 Fire Protection Plan Evaluation (FPPE).

1.3.38 TMI2-FP-PN-001, TMI-2 Fire Protection Plan.

TMI-2 Defueled Safety Analysis Report Chapter 1:

Revision 0 Introduction and General Description of Plant 1-10 1.3.39 TMI2-PM-PN-001, TMI-2 Project Management Plan.

1.3.40 TMI2-QA-PG-001, Three Mile Island Unit 2 Decommissioning Quality Assurance Plan (DQAP).

1.3.41 TMI2-QA-PG-001, Three Mile Island Unit 2 Post Defueling Monitored Storage (PDMS) Quality Assurance Plan (QAP).

1.3.42 TMI2-QA-PN-001, TMI-2 QA Program Implementation.

1.3.43 TMI2-RA-COR-2022-0008, Supplemental Information for License Amendment Request - Three Mile Island Unit 2 Decommissioning Technical Specifications, dated April 7, 2022.

1.3.44 TMI2-RA-COR-2022-0019, from Lackey, M. L., License Amendment Request -

Three Mile Island Unit 2 Decommissioning Technical Specifications, Response to Request for Additional Information, dated September 29, 2022.

1.3.45 TMI2-RA-COR-2023-0002, from Hazelhoff, A. C., Supplement to License Amendment Request - Proposed Changes to TMI-2 Possession Only License and Technical Specifications Attachment 1, dated January 27, 2023.

1.3.46 TMI2-RP1-PG-001, Radiological Protection Program.

1.3.47 TMI2-SE-PN-001, TMI-2 Materials Security Plan (SUNSI) 1.3.48 C-1101-122-E410-003, RO River Stage Discharge and Discharge Frequency Analysis, April 2012.

1.3.49 TMI-1 Defueled Safety Analysis Report (TMI-1 DSAR).

1.3.50 TMI-2 Defueling Completion Report.

1.3.51 TMI-2 Final Safety Analysis Report (TMI-2 FSAR).

1.3.52 TMI-2 Post-Defueling Monitored Storage Safety Analysis Report (PDMS SAR).

1.3.53 TMI-2 Technical Planning Bulletin 85-03, Reactor Building Basement Measurements, Revision 0, February 11, 1985.

1.3.54 TMI-2 Technical Specifications.

1.3.55 DOE Letter WWB-100-85, Bixby, W. W. (DOE) to Burton, H. M. (EG&G),

Accountability for the TMI-2 Core, dated October 8, 1985.

1.3.56 GPU Nuclear Letter C312-91-2045, SNM Accountability, transmitting the Auxiliary and Fuel Handling Buildings PDSR, dated June 7, 1991.

1.3.57 GPU Nuclear Letter C312-91-2052, SNM Accountability, transmitting the Reactor Building Miscellaneous Components PDSR, dated June 18, 1991.

1.3.58 GPU Nuclear Letter C312-91-2055, SNM Accountability, transmitting the Reactor Coolant System PDSR, dated July 3, 1991.

1.3.59 GPU Nuclear Letter C312-91-2064, SNM Accountability, transmitting the 'A' and 'B' Once-Through Steam Generators PDSR, Revision 1, dated July 3, 1991.

TMI-2 Defueled Safety Analysis Report Chapter 1:

Revision 0 Introduction and General Description of Plant 1-11 1.3.60 GPU Nuclear Letter C312-93-2004, SNM Accountability, transmitting the Reactor Vessel PDSR, dated February 1, 1993.

1.3.61 Letter, Snyder, B. J. (NRC) to Standerfer, F. R. (GPUNC), Approval of Exemption from 10 CFR 30.51,40.61,70.51(d) and 70.53, dated October 17, 1985.

1.3.62 NRC Letter, Request for Additional Information for Requested Licensing Action Regarding Decommissioning Technical Specifications, dated July 29, 2022.

1.3.63 TPO/TMI-051, Location and Characterization of Fuel Debris in TMI-2, Revision 0, April 1984.

1.3.64 TPO/TMI-124, Ex-Vessel Fuel Characterization, Revision 0, July 1984.

1.3.65 TPO/TMI-187, Instrument Selection for Residual Fuel Measurements, Revision 0, January 1987.

1.3.66 NRC Form 741, Nuclear Materials Transaction Report.

1.3.67 NRC Form 742, Materials Balance Report.

1.4 PRESENTATION DSAR figures used in this document are listed in Table 1.4-1, below.

TABLE 1.4-1, DSAR FIGURES Figure No.

Title 1.2-1 General Arrangement of TMI-2 Cork Seam Area 2.1-1 General Area Map 2.1-2 Site Topographical Map, 5-Mile Radius 2.1-3 Extended Plot Plan 2.4-1 Flood Water Surface Profiles 2.4-2 Details of Outfall 001 Discharge System 4.3-1 SNM Accountability Locations, Reactor Building 282-6 Elevation 4.3-2 SNM Accountability Locations, Reactor Building 305-0 Elevation 4.3-3 SNM Accountability Locations, Reactor Building 347-6 Elevation 4.3-4 Auxiliary Building, 280-6 Elevation 4.3-5 Auxiliary Building, 305-0 Elevation 4.3-6 Auxiliary Building, 328-0 Elevation 4.3-7 Auxiliary Building, 347 6 Elevation

TMI-2 Defueled Safety Analysis Report Chapter 1:

Revision 0 Introduction and General Description of Plant 1-12 Abbreviations and acronyms used in this document are listed in Table 1.4-2.

TABLE 1.4-2, ABBREVIATIONS AND ACRONYMS ABST Auxiliary Building Sump Tank MU Makeup and Purification System ALARA As Low As Is Reasonably Achievable MWHT Miscellaneous Waste Holdup Tank AX Auxiliary Building NPDES National Pollutant Discharge Elimination System BWST Borated Water Storage Tank NRC Nuclear Regulatory Commission CACE Containment Air Control Envelope NSAC Nuclear Safety Analysis Center CFR Code of Federal Regulations ODCM Offsite Dose Calculation Manual cfs/cfm Cubic Feet per Second/Cubic Feet per Minute OTSG Once Through Steam Generator Ci Curie PDMS Post-Defueling Monitored Storage CSA Core Support Assembly PDSR Post-Defueling Survey Report D&D Decontamination and Dismantlement PEIS Programmatic Environmental Impact Statement DCR Defueling Completion Report PMF Probable Maximum Flood DHR Decay Heat Removal PORV Pilot Operated Relief Valve DOE Department of Energy psi Pounds per Square Inch DQAP Decommissioning Quality Assurance Program PVC Poly-Vinyl Chloride DSAR Defueled Safety Analysis Report PWST Processed Water Storage Tank DWCS Defueling Water Cleanup System QA Quality Assurance FBM Fuel Bearing Material RB Reactor Building FHB Fuel Handling Building RC Reactor Coolant FPPE Fire Protection Program Evaluation RCS Reactor Coolant System FSAR Final Safety Analysis Report REMP Radiological Environmental Monitoring Program GPU General Public Utilities RV Reactor Vessel GPUN GPU Nuclear SAR Safety Analysis Report GPUNC General Public Utilities Nuclear Corporation SD Sump Discharge GTCC Greater Than Class C SDS Submerged Demineralizer System HEPA High Efficiency Particulate Air SFML Safe Fuel Mass Limit INEL Idaho National Engineering Laboratory SIVR Seal Injection Valve Room ISFSI Independent Spent Fuel Storage Installation SNM Special Nuclear Material IWTS Industrial Waste Treatment System SPC Standby Pressure Control LLEA Local Law Enforcement Agency SSC Structure, System, or Component LLRW Low Level Radioactive Waste TMINS Three Mile Island Nuclear Station LOCA Loss of Coolant Accident TRVFS Temporary Reactor Vessel Filtration System MCC Motor Control Center UTM Universal Transmeridian MDL Minimum Detectable level WAC Waste Acceptance Criteria mph Miles per Hour WDL Waste Disposal Liquid

TMI-2 Defueled Safety Analysis Report Chapter 1:

Revision 0 Introduction and General Description of Plant 1-13 FIGURE 1.2-1, GENERAL ARRANGEMENT OF TMI-2 CORK SEAM AREA

TMI-2 Defueled Safety Analysis Report Revision 0 SITE CHARACTERISTICS

TMI-2 Defueled Safety Analysis Report Chapter 2:

Revision 0 Site Characteristics 2-2 2.1 GEOGRAPHY AND DEMOGRAPHY 2.1.1 SITE LOCATION Three Mile Island Nuclear Station (TMINS) is located approximately 2.5 miles south of Middletown, Pennsylvania, at latitude 40°915 N and at longitude 76°4330 W. TMINS is located in Londonderry Township of Dauphin County, Pennsylvania, about 2.5 miles north of the southern tip of Dauphin County, where Dauphin is conterminal with York and Lancaster counties. Its location with respect to regional topographic and cultural features is shown on Figure 2.1-1, General Area Map, and with respect to local features on Figure 2.1-2, Site Topographical Map, 5 Mile Radius. The station is located on Three Mile Island (TMI), situated in the Susquehanna River upstream from York Haven Dam.

The TMI-2 RV coordinates are N300, 324.40, E2, 286, 366.04, based on the Pennsylvania State coordinate system (UTM coordinates are Zone 18, 4, 446, 020 meters north, 353, 070 meters east). It is one of the largest of a group of several islands in the Susquehanna River and is situated about 900 feet from the east bank.

It is elongated parallel to the flow of the river, with its 11,000-foot length and 1700-foot width. TMI-2 is located adjacent to TMI-1 in the northern one-third of the island.

The southeasterly-flowing Susquehanna River makes a sharp change in direction to nearly due south, in the vicinity of Middletown. After this directional change just north of TMINS, the channel widens to approximately 1.5 miles.

2.1.2 SITE DESCRIPTION Figure 2.1-3, Extended Plot Plan, shows the site marked to indicate the site and the minimum exclusion distance. For accident evaluations, the distance to the site boundary in each direction is used. Those distances may be derived from Figure 2.1-3.

2.1.3 POPULATION AND POPULATION DISTRIBUTION The population and population demographics are given in Section 2.2 of the TMI-1 DSAR (Ref. 1.3.49). This information is updated as appropriate with TMI-1 DSAR updates.

2.2 NEARBY INDUSTRIAL, TRANSPORTATION, AND MILITARY FACILITIES The nearby industrial, transportation, and military facilities are described in Chapter 2 of the TMI-1 DSAR (Ref. 1.3.49).

2.3 METEOROLOGY The meteorology for the TMINS site is given in Section 2.5 of the TMI-1 DSAR (Ref. 1.3.49). Since TMI-1 and TMI-2 are on the same site, the meteorological information for the two units is the same. The TMI-1 DSAR is updated periodically in accordance with NRC regulations and contains the currently applicable meteorological information for the TMINS site.

TMI-2 Defueled Safety Analysis Report Chapter 2:

Revision 0 Site Characteristics 2-3 2.4 HYDROLOGIC ENGINEERING 2.4.1 HYDROLOGIC DESCRIPTION A. Site and Facilities TMI-2 is located on Three Mile Island in the Susquehanna River, about ten miles southeast of Harrisburg. Existing grade elevation of TMI-2 is approximately 304 feet, based upon U.S.G.S. datum.

All necessary features of TMI-2 are protected from floods and wave action associated with these floods, up to and including the Probable Maximum Flood (1,625,000 cfs), by the installation of barriers as described in Section 2.4.3.

2.4.2 FLOODS The description of flooding conditions which were considered in the design of the site and facilities on the site is given in Section 2.4 of the TMI-2 FSAR (Ref. 1.3.51). These flooding conditions include the Probable Maximum Flood with coincident wind wave activity, the Probable Maximum Precipitation, potential dam failures, ice flooding, and channel diversions.

2.4.3 FLOODING PROTECTION REQUIREMENTS TMINS is situated on a portion of the island that is, under natural conditions, above the level of a Hurricane Agnes-magnitude flood. Natural topography in the main station area is above an elevation of 300.5 feet, the crest of the Agnes flood at approximately one million cubic feet per second.

The original design flood for the site was established at 1,100,000 cfs, based upon the provisional Probable Maximum Flood established by the Army Corps of Engineers prior to 1969.

In June of 1969, the Corps of Engineers issued a revised and provisional value of the Probable Maximum Flood for the Susquehanna River at Harrisburg, which was established as 1,600,000 cfs, as the result of upstream reservoir regulation. This design flood at TMINS was established at 1,625,000 cfs, and the water surface profiles on Figure 2.4-1, Flood Water Surface Profiles, were extended by computation to cover this flood magnitude. Unit computations established a PMF elevation of 313.3 feet; flood protection is designed to protect against this water level, per C-1101-122-E410-003, RO River Stage Discharge and Discharge Frequency Analysis, April 2012 (Ref. 1.3.48).

Structures are provided with complete protection at the entrance faces, rather than attempting to protect individual equipment or systems. Ground-level doors and entrances to the Concrete Power Block Buildings are either watertight or are provided with flood panels. All openings that are potential leaks (e.g., ducts, pipes, conduits, cable trays) are configured to minimize water intrusion. The water stops between adjacent building walls and mats were designed to be capable of withstanding a maximum water head of 45 feet, which is in excess of the maximum head associated with the flood level.

TMI-2 Defueled Safety Analysis Report Chapter 2:

Revision 0 Site Characteristics 2-4 Unit flood protection will be achieved by instituting operational procedures and actions predicated upon monitoring of upstream river stages and precipitation reports through the National Weather Service Advance Hydrologic Prediction service. Operational procedures to establish flood protection for TMI-2 are outlined in Section 2.4.6.

2.4.4 ENVIRONMENTAL ACCEPTANCE OF EFFLUENTS TMI-2 will continue discharging stormwater collected from non-radiological areas of TMINS through the NPDES Discharge Outfalls (e.g., Outfall 005, SWRO-1, SWRO-2, and SWRO-3). Also, TMI-2 will collect stormwater/groundwater from various (non-radiological) sumps and store it in a holding tank(s), where it will be sampled and analyzed to confirm the collected water meets the NPDES discharge criteria. Once confirmed acceptable, the collected water will be discharged through Outfall 001, which enters the middle channel of the Susquehanna River through the station discharge pipe located approximately 640 feet downstream from the previous intake structures, as shown in Figure 2.4-2, Details of Outfall 001 Discharge System.

Processed liquid waste will be discharged on a batch basis. Prior to release, each batch will be sampled and analyzed to determine its radioactivity content. Based upon the activity analysis, the wastes will either be released under controlled conditions or recycled for further processing. The flowrate of waste discharge will be a function of NPDES Permit No. PA0009920 (Ref. 1.3.24).

A section of the York Haven Dam blocks the east channel of the Susquehanna River at Three Mile Island, approximately one mile downstream from TMI-2. The York Haven Dam forms a pool extending approximately 3.5 miles upstream, containing a volume of about 10,000 acre-feet. As long as the river flow is 20,000 cfs or less, all flow discharges through the York Haven Hydro Plant tailrace into the lower section of Conewago Falls. When the river flow is above 20,000 cfs, the excess flow spills over the portion of the main dam upstream of the headrace wall and flows down through Conewago Falls, joining the flow from the tailrace at the foot of the dam; the full river flow then continues through the lower section of the falls.

The exact extent of the mixing of TMINS effluents with the river depends on such factors as station discharge flowrate and the river flowrate. In 1980, an experiment was conducted which tracked the dispersion and dilution of a dye from the TMINS discharge. This study showed that the plant discharge water and Susquehanna River water are typically greater than or equal to () 99% mixed before intake by downstream users.

All users of water downstream of TMINS are also downstream of York Haven Dam. Therefore, it is assured that mixing of station effluent and river water flow will occur prior to use.

TMI-2 Defueled Safety Analysis Report Chapter 2:

Revision 0 Site Characteristics 2-5 2.4.5 GROUNDWATER TMINS is located in the Triassic lowland of Pennsylvania, a region often referred to as the Gettysburg Basin. The island was formed as a result of fluvial deposition by the Susquehanna River. It is composed of subrounded to rounded sand and gravel, containing varying amounts of silt and clay. Soil depths vary from approximately 6 feet at the south of the island to about 30 feet at the center of island.

The site is underlain by Gettysburg shale, at an elevation of approximately 277 feet.

There are two different water-bearing zones at TMINS. One is comprised of the Gettysburg shale (i.e., bedrock), and the other is comprised of the unconsolidated material overlying the bedrock. Permeabilities in the geological materials on TMINS vary; however, groundwater discharges into the Susquehanna River and does not communicate with offsite groundwater supplies.

Hydrostatic pressure of the water table on the east and west shores of the river should prevent the island groundwater and the station discharge from communications with onshore groundwater. Therefore, groundwater effluents from TMINS cannot impact the quality of groundwater offsite. Additionally, the tritium concentrations in TMINS groundwater are well below the regulatory limits of 10 CFR 20, Standards for Protection Against Radiation (Ref. 1.3.1), and will not adversely affect the Susquehanna River.

A more thorough description of the groundwater characteristics and related features are given in Section 2.4.13 of the TMI-2 FSAR (Ref. 1.3.51).

2.4.6 FLOOD PROTECTION The emergency flood protection procedure, TMI2-EN-PN-102, TMI-2 Flood Protection Plan (Ref. 1.3.35), is entered when Susquehanna River flow at Harrisburg exceeds 200,000 cfs or the National Weather Service (NWS) Forecast Center forecasts a Susquehanna River flow greater than 350,000 cfs within the next 36 hours4.166667e-4 days <br />0.01 hours <br />5.952381e-5 weeks <br />1.3698e-5 months <br />.

The Susquehanna River forecast for flow and river level at Harrisburg are obtained from the National Weather Service Advance Hydrologic Prediction Service. The forecast should always provide a minimum of a 48-hour forecast and is updated as required every six (6) hours during a potential flood condition. For this purpose, the flow at TMINS is assumed to be equal to the flow at Harrisburg. The river flow and level forecast are based upon both measured rainfall and rainfall forecasts across the Susquehanna watershed.

When a 36-hour forecast of 900,000 cfs or greater is received, flood panels will be moved into place.

2.5 GEOLOGY AND SEISMOLOGY The geology and seismology for the TMINS site has been reviewed and accepted by the NRC, based on the information presented in Section 2.5 of the TMI-2 FSAR (Ref. 1.3.51).

TMI-2 Defueled Safety Analysis Report Chapter 2:

Revision 0 Site Characteristics 2-6 2.6 RADIOLOGICAL ENVIRONMENTAL MONITORING PROGRAM The Radiological Environmental Monitoring Program (REMP) is being conducted in the vicinity of TMINS. The REMP provides representative measurements of radiation and radioactive materials in exposure pathways and for those radionuclides that lead to the highest potential radiation exposures of members of the public, resulting from facility activities. This monitoring program complies with 10 CFR 50, Domestic Licensing of Production and Utilization Facilities, Appendix I (Ref. 1.3.3), and thereby supplements the radiological effluent monitoring program by verifying measurable concentrations of radioactive materials and levels of radiation are not higher than expected based on effluent measurements and models of the environmental exposure pathways.

TMI-2 Defueled Safety Analysis Report Chapter 2:

Revision 0 Site Characteristics 2-7 FIGURE 2.1-1, GENERAL AREA MAP (BEST COPY AVAILABLE)

TMI-2 Defueled Safety Analysis Report Chapter 2:

Revision 0 Site Characteristics 2-8 FIGURE 2.1-2, SITE TOPOGRAPHICAL MAP, 5-MILE RADIUS (BEST COPY AVAILABLE)

TMI-2 Defueled Safety Analysis Report Chapter 2:

Revision 0 Site Characteristics 2-9 FIGURE 2.1-3, EXTENDED PLOT PLAN (BEST COPY AVAILABLE)

TMI-2 Defueled Safety Analysis Report Chapter 2:

Revision 0 Site Characteristics 2-10 FIGURE 2.4-1, FLOOD WATER SURFACE PROFILES (BEST COPY AVAILABLE)

TMI-2 Defueled Safety Analysis Report Chapter 2:

Revision 0 Site Characteristics 2-11 FIGURE 2.4-2, DETAILS OF OUTFALL 001 DISCHARGE SYSTEM (BEST COPY AVAILABLE)

TMI-2 Defueled Safety Analysis Report Revision 0 DESIGN CRITERIA -

STRUCTURES, SYSTEMS, AND COMPONENTS

TMI-2 Defueled Safety Analysis Report Chapter 3: Design Criteria -

Revision 0 Structures, Systems, and Components 3-2 3.1 CONFORMANCE WITH NRC GENERAL DESIGN CRITERIA During the Decontamination and Decommissioning (DECON) period, fulfillment of many of the general design criteria in 10 CFR 50, Domestic Licensing of Production and Utilization Facilities, Appendix A (Ref. 1.3.3), is not necessary or appropriate for TMI-2, given that the criteria that addresses such requirements as quality standards, radiological monitoring, and natural phenomena only apply to a limited degree. Since the plant was originally designed and constructed in accordance with these criteria, and since neither the accident nor activities during the recovery period significantly degraded the plant with respect to the capabilities required, the facility, as it currently exists, is designed and constructed to standards which far exceed the requirements for decommissioning. These capabilities will be removed over time as source term is removed in accordance with 10 CFR 50.59 (Ref. 1.3.3) and proper procedural controls.

Compliance with TMI-2 Solutions understanding of the general design criteria in 10 CFR 50, Domestic Licensing of Production and Utilization Facilities, Appendix A, as revised on January 1, 1987 (Ref. 1.3.3), that remain applicable in the defueled condition are summarized in the following sections.

3.1.1 CRITERION 1 - QUALITY STANDARDS AND RECORDS Structures, Systems, and Components (SSCs) important to safety shall be designed, fabricated, erected, and tested to quality standards commensurate with the importance of the safety function to be performed. Where generally recognized codes and standards are used, they shall be identified and evaluated to determine their applicability, adequacy, and sufficiency and shall be supplemented or modified as necessary to assure a quality product in keeping with the required safety function. A Quality Assurance (QA) program shall be established and implemented in order to provide adequate assurance that these SSCs will satisfactorily perform their safety functions. Appropriate records of the design, fabrication, erection, and testing of SSCs important to safety shall be maintained by or under control of the nuclear power unit licensee throughout the life of the unit.

Discussion Due to the unique condition of TMI-2, the specific requirements of Criterion 1 are not applicable; however, the intent of Criterion 1 has been addressed, recognizing that the degree of quality assurance necessary to assure that the required capabilities are maintained is far less extensive than that which was originally required for TMI-2. A QA program has been established and will be maintained commensurate with the functional requirements of decommissioning. The QA plan for decommissioning is described in Section 10.1 and detailed in the DQAP (Ref. 1.3.40).

TMI-2 Defueled Safety Analysis Report Chapter 3: Design Criteria -

Revision 0 Structures, Systems, and Components 3-3 3.1.2 CRITERION 2 - DESIGN BASES FOR PROTECTION AGAINST NATURAL PHENOMENA SSCs important to safety shall be designed to withstand the effect of natural phenomena such as earthquakes, tornadoes, hurricanes, floods, tsunamis, and seiches without loss of capability to perform their safety functions. The design bases for these SSCs shall reflect:

A. Appropriate consideration of the most severe of the natural phenomena that have been historically reported for the site and surrounding area, with sufficient margin for the limited accuracy, quantity, and period of time in which the historical data has been accumulated, B. Appropriate combinations of the effects of normal and accident conditions with the effects of the natural phenomena, and C. The importance of the safety functions to be performed.

Discussion Due to the unique condition of TMI-2, the specific requirements of Criterion 2 are not applicable; however, the intent of Criterion 2 has been addressed by recognizing the level of protection from natural phenomena required during decommissioning.

There are no active functions required to be performed by any system to provide protection from natural phenomena. Those SSCs necessary for the level of protection required were originally designed and constructed to criteria which exceed the current requirements. This level of protection is more than adequate to meet the functional requirements for protection from natural phenomena.

3.1.3 CRITERION 3 - FIRE PROTECTION SSCs important to safety shall be designed and located to minimize, consistent with other safety requirements, the probability and effect of fires and explosions.

Noncombustible and heat-resistant materials shall be used whenever practical throughout the unit, particularly in locations such as the containment and control room. Fire detection and fighting systems of appropriate capacity and capability shall be provided and designed to minimize the adverse effects of fire on SSCs important to safety. Fire-fighting systems shall be designed to assure that their rupture or inadvertent operation does not significantly impair the safety capability of these SSCs.

Discussion In the permanently defueled condition of TMI-2, the specific requirements of Criterion 3 are not applicable. TMI-2 has been permanently defueled. The Fire Protection requirements of 10 CFR 50.48(f) (Ref. 1.3.3) apply. The requirements of 10 CFR 50.48(f) are described more thoroughly in NRC Regulatory Guide 1.191, Fire Protection Program for Nuclear Power Plants During Decommissioning and Permanent Shutdown (Ref. 1.3.11). TMI2-FP-PN-001, TMI-2 Fire Protection Plan (Ref. 1.3.38), meets the requirements of NRC Regulatory Guide 1.191, Fire Protection Program for Nuclear Power Plants During Decommissioning and Permanent Shutdown (Ref. 1.3.11). The FPPE (Ref. 1.3.37), describes how the program satisfies these requirements.

TMI-2 Defueled Safety Analysis Report Chapter 3: Design Criteria -

Revision 0 Structures, Systems, and Components 3-4 3.1.4 CRITERION 60 - CONTROL OF RELEASES OF RADIOACTIVE MATERIALS TO THE ENVIRONMENT The nuclear power unit design shall include means to suitably control the release of radioactive materials in gaseous and liquid effluents and to handle radioactive solid wastes produced during normal reactor operation, including anticipated operational occurrences. Sufficient holdup capacity shall be provided for retention of gaseous and liquid effluents containing radioactive materials, particularly where unfavorable site environmental conditions can be expected to impose unusual operational limitations upon the release of such effluents to the environment.

Discussion Provision is included in the design and processing of radioactive waste and the release of such waste under controls adequate to prevent exceeding the limits of 10 CFR 20, Standards for Protection Against Radiation (Ref. 1.3.1). TMI-2 also includes programmatic controls to prevent radioactivity releases during accidents from exceeding the limits of the Emergency Plan. A description of the function of the Radioactive Waste Disposal System is included in Chapter 5. The effects of potential accidents are analyzed in Chapter 8.

3.1.5 CRITERION 64 - MONITORING RADIOACTIVITY RELEASES Means shall be provided for monitoring the reactor containment atmosphere, spaces containing components for recirculation of loss-of-coolant accident fluids, effluent discharge paths, and the plant environs for radioactivity that may be released from normal operation (including anticipated operational occurrences) and from postulated accidents.

Discussion The facility contains means for monitoring the Reactor Building atmosphere, effluent discharge paths, and the facility environs for radioactivity which could be released under any conditions. The details of the effluent discharge monitoring are contained in Chapter 5, while the REMP (Ref. 1.3.29) is discussed in Chapter 2.

3.2 CLASSIFICATION OF STRUCTURES, SYSTEMS, AND COMPONENTS 3.2.1 SEISMIC CLASSIFICATION Unit SSCs have been classified according to their function and the degree of integrity required to protect the public. SSCs are classified for seismic design purposes as either Category I or Category II. The original seismic design criteria for SSCs are given in Section 3.2 of the TMI-2 FSAR (Ref. 1.3.51).

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Revision 0 Structures, Systems, and Components 3-5 A. Seismic Category I Seismic Category I SSCs, including instruments and controls, are those which are necessary to ensure:

1. The integrity of the reactor coolant pressure boundary,
2. The capability to shut down the reactor and to maintain it in a safe shutdown condition, or
3. The capability to prevent or mitigate the consequences of accidents which could result in potential offsite exposures comparable to the guideline exposures of 10 CFR 100, Reactor Site Criteria (Ref. 1.3.9).

The first criterion requires the reactor coolant pressure boundary to be ensured.

Due to the non-operating and defueled condition of TMI-2, there is no reactor coolant pressure boundary.

The second criterion requires the capability to shut down the reactor and maintain it in a safe shutdown condition. Due to the non-operating and defueled condition of TMI-2, there is no reactor to shut down and maintain in a safe shutdown condition. In addition, the criticality analysis discussed in Chapter 4 demonstrates that criticality has been precluded at TMI-2.

The third criterion requires the capability to prevent or mitigate the consequences of accidents that could result in potential offsite exposures comparable to the guidelines of 10 CFR 100, Reactor Site Criteria (Ref. 1.3.9).

The analysis detailed in Chapter 8 demonstrates that there are no postulated events which could result in exposures comparable to the guidelines of 10 CFR 100, Reactor Site Criteria (Ref. 1.3.9).

Due to the non-operating and defueled status of TMI-2, there are no SSCs which are required to meet the criteria of Seismic Category I. Therefore, there are no SSCs classified as Seismic Category I at TMI-2. Those SSCs which were originally designed as Seismic Category I and the applicable design criteria are described in Section 3.2.1 of the TMI-2 FSAR (Ref. 1.3.51).

B. Category II Those SSCs which are relied upon for the isolation of residual contamination from the environment and for the prevention of an uncontrolled release of radioactivity during a seismic event have been designated as Category II.

1. Design Basis All SSCs which were designed to Seismic Category I or Category II standards are in conformance with the seismic loading requirements of the Uniform Building Code for Zone 1. Those SSCs that were originally designed and fabricated to Seismic Category I or Seismic Category II requirements currently have not had their original structural design capability significantly modified nor have they significantly degraded and will meet the seismic loading requirements of the Uniform Building Code for Zone 1. In the future however, changes will be made to structures as decommissioning progresses and engineering modifications will be prepared.

TMI-2 Defueled Safety Analysis Report Chapter 3: Design Criteria -

Revision 0 Structures, Systems, and Components 3-6

2. Category II Structures Structures designated as Category II are the Reactor Building, the Control and Service Buildings, the Auxiliary Building, and the Fuel Handling Building. These five structures were originally designed in accordance with Seismic Category I requirements. During structure removal, control measures will be put in place in accordance with TMI2-RP1-PG-001, Radiological Protection Program (Ref. 1.3.46), to control the spread of contamination.
3. Category II Systems As a result of the accident on March 28, 1979, various plant systems were contaminated with radioactive materials from the reactor core. These systems have been decontaminated to the extent practical. However, a number of these systems still contain some degree of residual contamination and provide an initial barrier for control of the contamination which remains within the respective system. The Reactor Building provides a second barrier for those systems or partial systems located within that structure.

The structural capabilities of the systems as originally designed in accordance with Seismic Category I and Seismic Category II criteria have not been degraded significantly, and these capabilities provide the necessary degree of contamination control until they are removed during decommissioning. During system removal, control measures will be put in place in accordance with the Radiation Protection Program to control the spread of contamination. These Category II systems and their original seismic design criteria are listed in Table 3.2-1, Category II Systems.

Other piping systems designated as Category II which were not designed to Seismic Category I or Seismic Category II criteria also provide an initial barrier for control of internal contamination. Since these systems were designed to function under equal or higher pressure and temperature conditions, they will maintain structural integrity under the conditions which exist. In addition, deactivated systems have been drained to the extent practical, thus minimizing contaminated leakage from these systems until they are removed during decommissioning. These Category II systems are listed in Table 3.2-1 and are identified as not being designed to seismic criteria (i.e., Non-Seismic [N/S]). During system removal. Control measures will be put in place in accordance with the Radiation Protection Program to control the spread of contamination.

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Revision 0 Structures, Systems, and Components 3-7 TABLE 3.2-1, CATEGORY II SYSTEMS System FSAR Seismic Class In Reactor Building Operational/

Deactivated Canister Loading Decon N/S No Deactivated Core Flood I (1)

Partially (2)

Deactivated Decant Filter Skid N/S No Deactivated Decay Heat Removal I

Partially Deactivated Decon Process Water N/S Partially Deactivated Defueling (3)

N/S Yes Deactivated Defueling Water Cleanup N/S Partially Deactivated Dewatering Station N/S No Deactivated Fuel Handling I

Partially Deactivated Fuel Transfer Canal Fill and Drain N/S Partially Deactivated Main Steam I (4)

Partially Deactivated Makeup and Purification I

Partially Deactivated Nuclear Plant Nitrogen II Partially Deactivated Nuclear Sampling I (5)

Partially Deactivated Processed Water Storage and Distribution N/S No Deactivated Reactor Building Purge Exhaust Upstream of HEPA Filter II No Operational Reactor Building Spray I

Partially Deactivated Reactor Building Sump (Level Measurement)

N/S Partially Operational Reactor Coolant I

Yes Deactivated Sludge Transfer N/S Partially Deactivated Spent Fuel I

Partially Deactivated Steam Generator Recirculation N/S No Deactivated Steam Generator Secondary Vent and Drain inside Reactor Building I/II Yes Deactivated Submerged Demineralizer N/S No Deactivated Sump Water Sucker N/S Partially Deactivated Temporary Nuclear Sampling N/S (6)

No Deactivated Waste Disposal Gas I (7)

Partially Deactivated Waste Disposal Liquid I/II Partially Operational Waste Disposal Solid I

Partially Deactivated Notes:

(1)

Except for N2 supply lines from NM-U-26/NM-U-27 to CF-V-114/CF-V-115.

(2)

All of system is in the Reactor Building except for 1-inch fill and drain lines.

(3)

System consists of the defueling equipment that remains in the RV.

(4)

Classified as Seismic Category I up to MSWs and EF-P-2. All else is classified as Seismic Category

2. Portions of Seismic Category II piping are contaminated.

(5)

Majority of system is Seismic Category I. Seismic Category II portion is very small and contains a small pump and associated 1.5-inch tubing.

(6)

System consists of mainly 1/2-inch and 3/8-inch diameters.

(7)

System was designed and constructed as Seismic Category I, except for two flexible connections to the secondary vent and drain system. A few N/S modifications were made during the course of the cleanup effort; however, the majority of the system remains seismically qualified.

TMI-2 Defueled Safety Analysis Report Chapter 3: Design Criteria -

Revision 0 Structures, Systems, and Components 3-8 3.3 MISSILE PROTECTION 3.3.1 MISSILES GENERATED BY NATURAL PHENOMENA A. Applicable Design Parameters The forces due to tornado loading have been assumed as the forces associated with a wind having a velocity of 360 mph. The 360-mph velocity is considered as a resultant of a 300-mph tangential and 60-mph translational velocity of the storm. All other structures designed for tornado loadings are provided either with adequate areas of openings to relieve the differential pressure of 3 psi in three (3) seconds or are designed to withstand an external pressure of 3 psi.

B. Tornado Missiles The missiles assumed to have been generated by the tornado event are listed in Table 3.3-1, Tornado-Generated Missiles. They include items such as siding panel, pipe, and steel plate, which could be detached from structures under tornado-associated loadings. All these missiles have been investigated for their ability to penetrate exterior concrete walls and slabs. The maximum penetration of a concrete barrier was found to be 30 inches. The minimum thickness of structures designed to withstand tornado-generated missiles is 36 inches. Their effects on the buildings designed for tornado loadings were considered together with the effects of loadings described in Section 3.3.1(A). Thus, with the limited exceptions described in Section 3.3.2, the capability of buildings designed for tornado loadings will not be jeopardized as a result of flying objects from other structures under a tornado event.

TABLE 3.3-1, TORNADO-GENERATED MISSILES Missile Type Weight (lb.)

Impact Area (sq. ft.)

Impact Elevation Above Grade (ft)

Impact Velocity (mph)

Utility Pole 1200 1.0 25 200 Passenger Auto 2000 25 25 100 Passenger Auto 4000 30 3

100 Concrete Fragment (10x 3 x 4) 4500 30 5

60 Steel Plate 1000 1.0 10 200 Crated Motor 1000 15 10 200 Pipe (4 x 12) 250 0.15 25 200 Wood Plank (4 x 12 x 12) 110 0.33 Any Height 360 Street Light Fixtures 25 0.5 Any Height 360 Crushed Rock (1-1/2) 0.25 0.01 Any Height 360 Siding Panels (1-6 x 50) 400 0.04 Any Height 360 Tools 125 0.1 Any Height 360 Ductwork 150 0.3 Any Height 360 8 Handrail Section 50 0.05 Any Height 360

TMI-2 Defueled Safety Analysis Report Chapter 3: Design Criteria -

Revision 0 Structures, Systems, and Components 3-9 C. Aircraft Impact The TMI-2 FSAR (Ref. 1.3.51) determined the probability of an aircraft impact on the TMI-2 reactor site considering three aircraft categories: a large aircraft, a very large aircraft, and a small aircraft. This calculation was based on estimates made in the 1968 Evaluation, which examined historical flight data collected over a ten-year period from 1956 through 1965. This data was surveyed periodically to determine if there is any need to revise the original estimates, but this evaluation has not been updated recently.

TMI2-EN-CALC-S-00-0011, TMI-2 Aircraft Impact of Reactor Building (Ref. 1.3.34), reproduced those calculations using the same methodology as the 1968 Evaluation but replaced historical flight data using information from recent operational reports (see U.S. Department of Transportation, Federal Aviation Administration [FAA], The Operations Network [OPSNET]

[Ref. 1.3.22]) and safety statistics from the U.S. Department of Transportation, Bureau of Transportation Statistics, U.S. General Aviation Safety Data and U.S.

Air Carrier Safety Data (Ref. 1.3.21).

An overview of the original analysis of record is contained in the TMI-2 FSAR (Ref. 1.3.51); however, key portions of that analysis were reproduced within TMI2-EN-CALC-S-00-0011, TMI-2 Aircraft Impact of Reactor Building (Ref. 1.3.34), as applicable, and for completeness and clarity. Flight information used in this calculation, contain flight data within the last ten years to determine an accurate representation of operational and accident data from all U.S. safety data and local airport operations.

The probability of an aircraft impact determined in this evaluation is then compared to the acceptance criteria for aircraft hazards as presented within NUREG-0800, Standard Review Plan for the Review of Safety Analysis Reports for Nuclear Power Plants: LWR Edition (Ref. 1.3.18), and the U.S. NRC Humboldt Bay Independent Spent Fuel Storage Installation Safety Evaluation Report, Docket No. 72-27 (NRC Document ML053140041) (Ref. 1.3.25).

The Humboldt Bay Safety Evaluation Report (SER) (Ref. 1.3.25) concluded that, when compared to a nuclear reactor facility, an ISFSI is a relatively passive system that does not have complex control requirements and has contents with relatively low thermal energy. Consequently, potential fuel damage and the associated radioactive source terms from a potential accident at an ISFSI are significantly less than those expected from a potential accident at an operating nuclear reactor facility, and as a result, the estimated consequences are less severe. The staff, therefore, concludes that a probability of 1 x 10-6 crashes per year is an acceptable threshold probability criterion for evaluating aircraft crash hazards at the ISFSI.

TMI-2 Defueled Safety Analysis Report Chapter 3: Design Criteria -

Revision 0 Structures, Systems, and Components 3-10 Similar to the Humboldt Bay ISFSI, the TMI-2 Reactor Building is considered a passive system, as it is no longer in operation and its primary function is to prevent any radiological release excess of the dose guidelines found in 10 CFR 100, Reactor Site Criteria (Ref. 1.3.9). Therefore, an acceptance criterion of 1 x 10-6 crashes per year is used as the acceptance criteria when evaluating the cumulative probability of an aircraft impact on the TMI-2 Reactor Building.

Estimates for the probability of various types of aircraft accident scenarios and the approximate recurrence interval are summarized below in Table 3.3-2, Summary of Results.

TABLE 3.3-2,

SUMMARY

OF RESULTS Accident Scenario Calculation Section Approximate Impact Probability/year (Unit 2 Reactor Building)

Approximate Recurrence Interval/year (Unit 2 Reactor Building)

Probability of Impact by Large Aircraft 6.1 5.1 x 10-8 19.6 million years Probability of Impact by a Very Large Aircraft 6.2 5.0 x 10-9 200 million years Probability of Impact by Small Aircraft 6.3 9.091 x 10-7 1.1 million years Cumulative Probability of Aircraft Impact 6.4 9.651 x 10-7 1.036 million years For each of the three accident scenarios shown above, and the cumulative probability of an aircraft impact, the probability of occurrence was less than the acceptance criteria of 1.0 x 10-6 and is therefore a non-credible hazard.

3.3.2 CRITERIA AND DESIGN The missile protection criterion is based on precluding damage to SSCs important to safety. During decommissioning, there is no equipment that is important to safety; therefore, the consequences of a missile impact are limited to physical damage. With limited exceptions as described below, all contamination isolation structures are protected from a loss of function due to damage from potential external missiles. Due to the non-operating and defueled status of TMI-2, there are no postulated internally generated missiles which would have any effect on the capability of structures to provide their required contamination isolation function.

The Auxiliary Building is rectangular in plan and has three main floors. At the east exterior wall, a large door opening is located at the grade level. This door opening is not protected from external missiles. Similarly, the Reactor Building Equipment Hatch will be replaced with a large door opening at grade level that is not protected from external missiles.

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Revision 0 Structures, Systems, and Components 3-11 In addition, concrete drilling operations in a small exterior wall section of the Auxiliary Building damaged six (6) reinforcing steel bars. Nonetheless, the wall presently meets normal non-operating load requirements. These two areas comprise the limited exceptions to wind and tornado loadings and missile protection.

3.4 WATER LEVEL (FLOOD) DESIGN Flood history, flood design consideration, design of hydraulic facilities, and emergency operation requirements for the unit facilities are further discussed in Section 2.4.

3.4.1 FLOOD ELEVATION The foundation mats, exposed walls, and flood panels of those structures designed to withstand floods are designed to withstand the hydrostatic pressures associated with a water level of 312 ft. on the east side and 312.5 ft. on the west side.

3.4.2 PHENOMENA CONSIDERED IN DESIGN LOAD CALCULATIONS Due to wave action, the maximum water level considered is 4 ft. higher than the PMF elevation expected around the station facilities. No other phenomena have been considered in the design load calculations. For more information, refer to Section 2.4.3 of the TMI-2 FSAR (Ref. 1.3.51) 3.4.3 FLOOD FORCE APPLICATION Static forces on the flood panels and vertical walls are calculated considering hydrostatic pressures. Dynamic forces on the flood panels and vertical walls are calculated considering wave action. With the exception of the Decommissioning Support Building (DSB), the buoyancy forces on the mats are calculated considering the uplift due to the height of water above the bottom of the mats.

3.4.4 FLOOD PROTECTION Unit design is based on a water elevation of 308.5 ft. on the west side and 308 ft.

on the east side under flood conditions. Structures which originally contained Engineering Safety Feature equipment are sealed against entry of flood water to an elevation of 312.5 ft. on the west side and 312 ft. on the east side. Complete protection has been provided at the exterior faces of these structures. The water stops between adjacent building walls and mats are capable of withstanding a maximum water head of 45 feet, which is in excess of the maximum associated head for the flood level. The exterior sliding doors and flood panels are provided with watertight seals.

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Revision 0 Structures, Systems, and Components 3-12 3.5 HEAVY LOADS PROGRAM To provide a high degree of assurance that a load drop into the RV will not occur, TMI-2 Solutions has developed a hoisting and rigging program that addresses movement of loads at TMI-2. The purpose of the hoisting and rigging program is to define the minimum requirements for the safe operations of cranes and hoists. The hoisting and rigging program will provide, as applicable, detailed requirements for training and qualification of personnel, inspection and maintenance of cranes or hoists, the safe use of rigging equipment, as well as direction for Non-Standard Lifts in order to ensure that lifting operations are performed in a safe manner. A Non-Standard Lift has characteristics that require additional planning and performance efforts to ensure that the lift is performed in a safe manner. A lift plan will be developed for all lifts as directed by the hoisting and rigging program, where a load drop or load impingement could contribute to release or dispersal of radioactive material to the environment, which could exceed the threshold for an unusual event.

Implementation of the hoisting and rigging program provides a defensive, in-depth approach to preventing a load drop from occurring. Crane design features (e.g., load cells, travel stops) will be employed as required in order to ensure safe travel paths. Barriers will be provided as required by the lift plan to preclude the effects of a load drop.

TMI-2 Defueled Safety Analysis Report Revision 0 FUEL

TMI-2 Defueled Safety Analysis Report Chapter 4:

Revision 0 Fuel 4-2

4.1 INTRODUCTION

This chapter summarizes the conditions and activities associated with the TMI-2 core subsequent to the accident on March 29, 1979.

Section 4.2 provides a brief description of the accident and the post-accident core conditions as they became known through the defueling process. Section 4.3 provides summary descriptions of the Special Nuclear Material Accountability Programs and Criticality Analyses performed for TMI-2.

This discussion is relevant because the Fuel Bearing Material (FBM) that remains is directly dependent on the core conditions after the accident and the level of success achieved by the activities undertaken to remove core debris during the cleanup program.

The residual fuel conditions are provided in the Post-Defueling Survey Reports (PDSRs);

this information is summarized on Table 4.3-1, Final SNM Inventory by Location -

Reactor Building, and Table 4.3-2, Final SNM Inventory by Location - Auxiliary and Fuel Handling Buildings. The analysis demonstrating assured subcriticality is summarized in Section 4.3. With the exception of Sections 4.3.5 and 4.3.7, this information is historical and will not be updated during decommissioning.

4.2 BACKGROUND

INFORMATION 4.

2.1 DESCRIPTION

OF THE MARCH 1979 ACCIDENT The March 1979 accident was initiated by cessation of secondary feedwater flow.

The steam generator boiled dry, and the resultant reduction of primary-to-secondary heat transfer caused the primary coolant to heat up and increase the primary system pressure. The Pilot Operated Relief Valve (PORV) opened to relieve pressure. Primary system pressure continued to rise, causing a reactor trip, and the PORV failed to close when the pressure decreased. The first 100 minutes of the accident can be characterized as a small break loss-of-coolant accident with resultant loss of primary coolant and decreasing pressure. It differed from the scenario expected during a Loss of Coolant Accident (LOCA) in that the pressurizer liquid level indication remained high. This was interpreted by the reactor operation as indicating that the RCS was full of water when, in fact, the RCS was continually voiding. Up to about 100 minutes into the accident, the core was still covered with sufficient water to be cooled.

The Reactor Coolant Pumps were turned off at 100 minutes and core heat-up began as the water level decreased to elevations below the top of the core. By 150 minutes, a Zircaloy-steam exothermic reaction was occurring, which increased the core heat-up rate. Consequently, Zircaloy melting temperatures were exceeded, resulting in relocation of the molten Zircaloy and some liquefied fuel to the lower core regions, solidifying near the coolant interface. This condition prevailed until 174 minutes, at which time a large region of consolidated, degraded core material existed in the lower, central regions of the core. Coolant flow through this consolidated material was probably negligible. The intact fuel rod stubs in the lower core region indicate that only the lower portion of the core remained cool.

TMI-2 Defueled Safety Analysis Report Chapter 4:

Revision 0 Fuel 4-3 A Reactor Coolant Pump was turned on briefly at 174 minutes, and coolant was pumped into the RV. The resultant thermal-mechanical forces generated from the rapid steam formation are believed to have shattered the oxidized fuel rod remnants in the upper regions of the core, forming a rubble bed on top of the consolidated core materials. The consolidated core materials continued to heat up during the next 50 minutes (174-224 minutes into the accident), even though coolant delivery to the RV from the pump transient and emergency core cooling injection is estimated to have covered the core by approximately 210 minutes. By 224 minutes, much of the non-cooled consolidated region had reached temperatures sufficient to melt the U-Zr-O ternary mixture.

Online TMI-2 data recorded during the accident suggests that the crust surrounding the consolidated core failed between 224 and 226 minutes into the accident. Based on the end-state core and core support assembly configuration and supporting analysis of the degraded core heat-up, it is believed that as the crust failed, molten core material flowed around the bypass region and migrated down into the lower internals and lower head region. Limited damage to the Core Support Assembly (CSA) occurred as the core material flowed to the lower plenum. It is estimated that about 17-20 tons of material relocated to the lower internals and lower head region.

Several in-core instrument guide tubes were melted, but overall, vessel integrity was maintained throughout the accident.

4.2.2 POST-ACCIDENT CONDITIONS The post-accident conditions inside the TMI-2 RV are summarized in the following sections.

A. Core Inventory The original core inventory included approximately 207,300 lb. of fuel (i.e.,

UO2) and 75,400 lb. of structural and absorber material for a total of 282,700 lb. Including the material added as a result of damage to the RV internal components due to the dynamics of the accident and the material generated by defueling activities, the total post-accident core debris material was estimated to be 296,100 lb. This estimate does not include any portions of the CSA and grid structures beneath the core that may have partially melted and mixed with the core material (see Table 4.2-1, Core Material Inventory).

Due to the accident progression, some of this core material was relocated within and outside of the RV. Each of the relevant areas is discussed separately. During the defueling program, approximately 99% of this material was removed.

B. Upper Core Region This region covers approximately the top 8 ft. of the original core height (13.8 ft.). The bottom boundary of this region was the layer of resolidified material identified during debris bed probing and observed during the core bore activities.

TMI-2 Defueled Safety Analysis Report Chapter 4:

Revision 0 Fuel 4-4 The material in this region consisted of partial, standing peripheral assemblies, partial assemblies hanging from the underside of the plenum, loose debris, fuel assembly, and control element structural components such as end fittings and spiders, fuel rods of various sizes, and loose debris consisting of resolidified materials and fractured fuel rods and pellets.

C. Mid-Core Region This region included the layer of resolidified material referenced in Section 4.2.2(B). This region was surrounded by standing peripheral assemblies and supported by partial fuel assemblies. This region consisted of a large, resolidified mass that was relatively thin at the periphery and very thick near the center. The thickness varied from about 13 in. at the periphery to about 60 in. at the center. Composition of this damaged material included a monolithic porous resolidified mass of rubble that was fused together by once-molten material, buried end fittings, and other structural material.

D. Lower Core Region The geometrically intact partial assemblies located at the bottom of the core varied in length from 9 in. near the center to full length at the periphery outboard of the resolidified material. Only two assemblies were full length and with better than 90% of the fuel rod cross-section. Most of the lower portions of these fuel assemblies were ductile, while upper portions were brittle, indicating a higher degree of oxidation. On the eastern side of the core, near the major relocation path, a number of the partial assemblies were brittle near the bottom, with ductile fuel rods on the upper portions of the stub assemblies. Several assemblies on the east side were resolidified masses with no identifiable fuel rods.

E. Lower CSA Region This region consisted of the area between the bottom of the lower end fittings and the 2-inch-thick flow distributor. The majority of the region just beneath the core region contained only fine, loose debris with no structural damage. The region outboard of the fuel region under the flow bypass region contained a large number of resolidified columns which were created by the downward flow of melted core material from the bypass region. The eastern part of the lower internals contained a large amount of resolidified material under several fuel assemblies and under the bypass region.

This area was the major relocation path for the melted core material which flowed to the lower head region. There was some structural damage in this area with some melting of in-core guide tubes and support posts.

TMI-2 Defueled Safety Analysis Report Chapter 4:

Revision 0 Fuel 4-5 F. Lower Head Region The lower head region encompassed the space between the flow distributor and the spherical lower head. A large quantity of material was relocated to this region during the accident. The material appeared to be distributed non-uniformly. Particle sizes in the loose portion ranged from fine dust to nodules approximately eight inches in diameter. There was much less loose material in the north quadrant of this region than in the other areas.

G. Core Former Region This region includes the area between the baffle plates and the thermal shield in the upper CSA. Some damage (melting) to the baffle plates occurred on the eastern side. Inspections of this region revealed a large mass of material between the baffle plates and the core barrel. Material was observed on the various core former plates around the core circumference with most of the material accumulated in the east and the north. No physical damage of the thermal shield and core barrel was observed. Resolidified material was seen at a number of locations just below and penetrating through flow holes below the core former plates.

H. Ex-Vessel This region consisted of any area outside the boundaries of the RV where core material had been transported. This included the RCS and associated components, the Reactor Building sump, and Auxiliary and Fuel Handling Buildings sump. During the accident, small quantities of core debris were relocated throughout the RCS and support systems.

TABLE 4.2-1, CORE MATERIAL INVENTORY Original Loading Weight (lb.)

Total UO2 (177 assemblies) 207,300 Total Zircaloy (4) 51,100 Absorber and other structural material 24,300 Total Original Core Material 282,700 Post-Accident Weight (lb.)

Original Mass 282,700 Material melted from plenum upper core tie plate and grid pads 500 Material melted from baffle plates, core former, and in-core assemblies 600 O2 due to Zr oxidation 7,700 Defueling-generated material 4,600 Total Estimated Post-Accident Core Debris Material Inventory 296,100

TMI-2 Defueled Safety Analysis Report Chapter 4:

Revision 0 Fuel 4-6 4.3 SPECIAL NUCLEAR MATERIAL ACCOUNTABILITY AND CRITICALITY SAFETY ANALYSIS 4.

3.1 INTRODUCTION

The purpose of this section is to describe the current TMI-2 Special Nuclear Material (SNM) Accountability Program and summarize the criticality safety analyses. This section identifies the methods and sequence of events for residual SNM accountability; the QA program that was applied during the cleanup program to the SNM measurements; the areas, systems, and components that were assessed for residual quantities of SNM; and the areas, systems, and components that did not require SNM assessment.

The quantity of fuel (i.e., UO2) remaining at TMI-2 is a small fraction of the initial fuel load. As a result of TMI-2 defueling and decontamination activities, approximately 99% of the fuel was removed and transferred to DOE and/or licensed burial facilities.

The final results of the SNM Accountability Program are based on a comprehensive post-defueling survey of the TMI-2 facility. The post-defueling survey consisted of a review of the TMI-2 plant to identify areas that could contain SNM and areas unlikely to contain SNM. The quantity of SNM was determined in each area that was identified to have SNM present. This section describes the process by which the post-defueling survey was conducted and summarizes the results of the survey.

Finally, this section presents a summary of the criticality safety analyses presented in TMI2-RA-COR-2022-0008, Supplemental Information to License Amendment Request - Three Mile Island Unit 2 Decommissioning Technical Specifications, dated April 7, 2022 (Ref. 1.3.43), which demonstrate that a criticality event could not occur at TMI-2. Further details of SNM Control during PDMS are provided in TMI2-RA-COR-2022-0019, License Amendment Request - Three Mile Island Unit 2 Decommissioning Technical Specifications, Response to Request for Additional Information, dated September 29, 2022 (Ref. 1.3.44).

4.

3.2 BACKGROUND

The March 1979 accident resulted in significant damage to the reactor core with a subsequent release of fuel and fission products into the RCS and other connected systems. The core was reduced to fractured fuel pellets, resolidified fuel masses, structural metal components, loose rubble, and partial fuel assemblies. The generic term used to refer to the post-accident core material is core debris. The core debris removed from the TMI-2 facility was loaded into special canisters for shipment to the DOE INEL facility in Idaho. Each shipment was accompanied by a completed copy of NRC Form 741, Nuclear Materials Transaction Report (Ref. 1.3.66), which recorded the net weight of the contents of each canister.

Fuel accountability by the normal method (i.e., accounting for individual fuel assemblies) was not possible. Since the canisters were filled with a mixture of SNM, other materials, and water, there was no practical or feasible method to determine the exact SNM content in each canister. A statement to that effect was included on each copy of NRC Form 741, Nuclear Materials Transaction Report (Ref. 1.3.66).

TMI-2 Defueled Safety Analysis Report Chapter 4:

Revision 0 Fuel 4-7 In October 1985, GPU Nuclear (GPUN), the U.S. Department of Energy (DOE),

and the U.S. Nuclear Regulatory Commission (NRC) entered into an agreement that final SNM accountability for TMI-2 would be performed after defueling was completed. This agreement is detailed in DOE Letter WWB-100-85, Bixby, W. W.

(DOE) to Burton, H. M. (EG&G), Accountability for the TMI-2 Core (Ref. 1.3.55), and Letter, Snyder, B. J. (NRC) to Standerfer, F. R. (GPUNC),

Approval of Exemption from 10 CFR 30.51, 40.61, 70.51(d), and 70.53 (Ref. 1.3.61). The accountability would be based upon a thorough post-defueling survey of TMI-2, which would quantify the amount of residual SNM in plant systems and components. Implied in this agreement was an understanding that the post-defueling survey will involve all areas and SSCs where SNM could reasonably be suspected to have been deposited as a result of the 1979 accident and subsequent cleanup activities.

4.3.3 HISTORICAL SNM ACCOUNTABILITY PROCESS A. Classification of Plant Areas The entire TMI-2 Plant was reviewed to determine where SNM could have been deposited as a result of the 1979 accident and subsequent cleanup activities.

Each area was classified into one of three categories:

1. Category 1: Locations where SNM was highly probable.
2. Category 2: Locations where it was possible that SNM could be deposited.
3. Category 3: Locations where it was unlikely that SNM was deposited.

Category 1 locations required that measurements or, in selected cases, analysis, be performed for SNM. Category 2 areas were considered to have a lower probability of fuel deposits but were assessed in the same manner as the Category 1 areas. Category 3 areas were determined not to require SNM assessment based on analyses of the TMI-2 accident and review of cleanup activities, found in NSAC 80-1, Analysis of Three Mile Island Unit 2 Accident, Electrical Power Research Institute (Ref. 1.3.15), and Rogovin, M., et al., Three Mile Island: A Report to the Commissioners and the Public (Ref. 1.3.20).

B. SNM Accountability Methods SNM accountability for TMI-2 was completed in accordance with GPU Nuclear 4000-PLN-4420.02, SNM Accountability Plan (Ref. 1.3.33). Several plant areas and components were characterized for SNM deposits prior to initiation of the formal SNM Accountability Program. In some cases, ALARA considerations, the quality of the previous measurements, and lack of actions potentially affecting SNM deposits warranted their use. These measurements were independently reviewed in accordance with GPU Nuclear 4000-ADM-4420.03, Review and Qualification of Selected Preliminary Calculations and Characterization Measurements for SNM Documentation (Ref. 1.3.32), to ensure sufficient data existed to meet SNM accountability QA standards. In all cases, the quantity of residual SNM was determined through measurements, sampling, inspection, or engineering analysis.

TMI-2 Defueled Safety Analysis Report Chapter 4:

Revision 0 Fuel 4-8

1. Measurements In most cases, measurements were performed in individual locations after planned cleanup activities were completed within the area. In some areas, as stated above, it was determined that the cleanup activities did not materially affect the original SNM measurements which were then used for SNM accountability. The post-defueling survey required the application of several measurement techniques. Technique selection for an individual measurement depended upon the geometry of the component/system or area to be assayed, physical access limitations, radiological conditions, personnel exposure considerations, and the probable quantity of SNM in the area. Where required or desirable, the measurements also involved the use of more than one measurement technique. Since the final SNM accountability activities were classified as Important to Safety, measurements conducted for SNM accountability were performed using QA-approved procedures.

Gamma scintillation spectrometry using sodium iodide detectors accounted for the majority of the early work. Later measurements involved the use of high-purity germanium detectors, which allowed greater resolution for the tracer isotopes of interest. Other measurement techniques included alpha scans using proportional detectors and gross gamma measurement techniques using collimated Geiger-Mueller detectors. The end fitting and dry-vessel measurements were completed using neutron interrogation techniques. Detailed descriptions of the measurement techniques and selection criteria can be found in TPO/TMI-051, Location and Characterization of Fuel Debris in TMI-2 (Ref. 1.3.63); TPO/TMI-124, Ex-Vessel Fuel Characterization (Ref. 1.3.64); and TPO/TMI-187, Instrument Selection for Residual Fuel Measurements (Ref. 1.3.65).

2. Sampling To obtain additional isotopic and volumetric information for use with the other analysis techniques, sampling of suspected fuel locations was performed. Solid and liquid samples were obtained from various areas and components to obtain isotopic, composition, and density data for use with measurements and visual inspections. Scrape samples were taken of metal surfaces (i.e., manways, piping, filter housings) to determine film depositions. These samples were analyzed using either onsite or offsite facilities, applying QA-approved procedures.
3. Visual Inspection In areas where measurement was not practical, video camera probes were used to estimate the volume of material remaining in the subject area. Using the volumetric data generated through sampling, a fuel quantity was assigned.

TMI-2 Defueled Safety Analysis Report Chapter 4:

Revision 0 Fuel 4-9

4. Engineering Analysis In the latter part of the project, several areas that had not been measured were estimated using a flow-path analysis. The flow-path analysis was performed by examination of possible SNM introduction pathways into an area through plant systems during the accident or subsequent cleanup activities.

C. Documentation The quantity of residual SNM in each location was documented in a GPUN engineering calculation. The overall results are provided in the following documents:

  • GPU Nuclear Letter C312-91-2045, SNM Accountability, transmitting the Auxiliary and Fuel Handling Buildings PDSR (Ref. 1.3.56).
  • GPU Nuclear Letter C312-91-2052, SNM Accountability, transmitting the Reactor Building Miscellaneous Components PDSR (Ref. 1.3.57).
  • GPU Nuclear Letter C312-91-2064, SNM Accountability, transmitting the A and B Once-Through Steam Generators PDSR (Ref. 1.3.59).
  • GPU Nuclear Letter C312-93-2004, SNM Accountability, transmitting the Reactor Vessel PDSR (Ref. 1.3.60).

These results are summarized in Table 4.3-1, Final SNM Inventory by Location - Reactor Building, and Table 4.3-2, Final SNM Inventory by Location - Auxiliary and Fuel Handling Buildings, and detailed in Table 4.3-3, Auxiliary and Fuel Handling Building Cubicle Designation.

The locations of residual SNM in the Reactor, Auxiliary, and Fuel Handling Buildings are provided in the following figures:

  • Figure 4.3-1, SNM Accountability Locations, Reactor Building, 282-6 Elevation.
  • Figure 4.3-2, SNM Accountability Locations, Reactor Building, 305-0 Elevation.
  • Figure 4.3-3, SNM Accountability Locations, Reactor Building, 347-6 Elevation.
  • Figure 4.3-4, Auxiliary Building, 280-6 Elevation.
  • Figure 4.3-5, Auxiliary Building, 305-0 Elevation.

The engineering calculations were based on geometric configuration, analysis of the measurement data, instrument calibrations, capabilities, and performance. Also included in the calculations were any specific assumptions made based on review of earlier measurements and the relevant history of that location during the accident and cleanup. All SNM engineering calculations were produced and approved in accordance with approved procedures.

TMI-2 Defueled Safety Analysis Report Chapter 4:

Revision 0 Fuel 4-10 The engineering calculations, in turn, provide the quantity of SNM for a specific area, system, or component that is outlined in the PDSR. Each PDSR contains:

  • A detailed description of the area, system, or component.
  • Its role in the accident and/or cleanup activities.
  • The rationale supporting a conclusion as to whether contained residual SNM exists and, if so, a summary of the appropriate SNM engineering calculations.
  • Applicable photographs and/or drawings of the area.
  • An assessment of residual fuel.

The PDSRs were forwarded to the NRC, as evidenced in the following documents:

  • GPU Nuclear Letter C312-91-2045, SNM Accountability, transmitting the Auxiliary and Fuel Handling Buildings PDSR (Ref. 1.3.56).
  • GPU Nuclear Letter C312-91-2052, SNM Accountability, transmitting the Reactor Building Miscellaneous Components PDSR (Ref. 1.3.57).
  • GPU Nuclear Letter C312-91-2064, SNM Accountability, transmitting the A and B Once-Through Steam Generators PDSR (Ref. 1.3.59).
  • GPU Nuclear Letter C312-93-2004, SNM Accountability, transmitting the Reactor Vessel PDSR (Ref. 1.3.60).

The completed PDSRs formed the basis for the final TMI-2 SNM inventory detailed on Table 4.3-1, Final SNM Inventory by Location - Reactor Building, and Table 4.3-2, Final SNM Inventory by Location - Auxiliary and Fuel Handling Buildings.

4.3.4 POST-DEFUELING SNM ACCOUNTABILITY Accountability following the previous defueling program was performed by summing the residual fuel quantities identified in the PDSRs and reporting the results as the remaining plant inventory of SNM. The amount of fuel shipped to the DOE INEL was determined by subtracting the sum of the final plant inventory and the amount of SNM shipped as radioactive waste from the pre-accident plant inventory of SNM, as corrected for decay in the most recent SNM Material Balance Report.

Pre-Accident Reported Inventory

- Final In-Plant Inventory

- SNM Shipped as Samples/Radwaste

= SNM Shipped to INEL (in canisters)

The resulting SNM inventory was reported on NRC Form 742, Materials Balance Report (Ref. 1.3.67).

TMI-2 Defueled Safety Analysis Report Chapter 4:

Revision 0 Fuel 4-11 4.3.5 CRITICALITY ANALYSIS A Safe Fuel Mass Limit (SFML) for the planned TMI-2 decommissioning was developed by applying realistic but bounding assumptions to the material remaining with the reactor vessel and outside the reactor vessel, per TMI2-EN-RPT-001, Determination of the Safe Fuel Mass Limit for Decommissioning TMI-2 (Ref. 1.3.36). The single 1200 kg uranium (or 1361 kg UO2) SFML can be utilized for all work in TMI-2 decommissioning and bound all credible operational upsets.

Through examination and conservative application of historic material sampling results, several key factors are credited:

A. 10 wt.% of the impurities identified in Mix 3 from the TMI-2 Defueling Completion Report (DCR) (Ref. 1.3.50), which is considered representative of the debris that remains in the RV.

B. Boron and iron are further reduced by 50% and 10% respectively, in the 10 wt.% impurity percentage identified in Mix 3.

C. Actual exposure histories applied to the average enrichment for all three batches of original TMI-2 fuel (burn-up credit).

The derived SFML bounds the entire expected fissile mass inventory throughout all physically separated areas within the reactor building. The bounding fissile mass used to produce the SFML is modeled as assembled in idealized conditions that cannot credibly exist during decommissioning operations.

4.3.6 CONTROL OF SNM DURING PDMS Control of SNM at TMI-2 during PDMS relied upon isolation boundaries and control of access to components which contain SNM. Isolation boundaries were maintained, as necessary, to prevent relocation of significant SNM quantities. The RCS, which contains the largest quantity of SNM, was drained to the extent practical and isolated within the Reactor Building. There was no physical inventory of SNM quantities at TMI-2 during PDMS because the remaining materials are of low enrichment, highly radioactive, and relatively inaccessible. The NRC granted TMI-2 an exception from the physical inventory requirements of 10 CFR 70.51(d) (Ref. 1.3.4). However, all shipments of accountable quantities of SNM from TMI-2 during PDMS were reported as required on NRC Form 741, Nuclear Materials Transaction Report (Ref. 1.3.66).

10 CFR numbering was revised. The exemption applies to current regulation 10 CFR 74.19(c) (Ref. 1.3.8).

4.3.7 CONTROL OF SNM DURING DECOMMISSIONING As discussed above, specific quantities of SNM exist in multiple plant components and cubicles. Decommissioning planning activities will specifically evaluate each discrete quantity of SNM to determine the method of retrieval and waste disposition path of all portions of the discrete component or cubicle under evaluation. Most SNM as a constituent of Fuel Bearing Material (i.e., a term used to describe the fuel and fission product contaminated plant components in the TMI-2-specific 10 CFR 72 license amendment to the NAC International MAGNASTOR dry cask storage system) will be loaded into a dry cask storage system designed to meet applicable 10 CFR 72 requirements (Ref. 1.3.6).

TMI-2 Defueled Safety Analysis Report Chapter 4:

Revision 0 Fuel 4-12 The dry cask storage system consists of multiple components:

A. The Transportation Storage Container (TSC) is a right circular cylinder which acts as the containment boundary for Fuel Bearing Material. Following loading, the TSC is seal-welded and backfilled with an inert gas prior to closure.

B. The Waste Basket Liner (WBL) is an open-topped right circular cylinder into which larger segments of Fuel Bearing Material are loaded and then placed into a TSC.

C. Internal support components, including the Debris Material Container and Segmented Tube Assembly, in which smaller segments and fines of Fuel Bearing Material are placed and then loaded into a WBL. Loaded and closed TSCs are stored within a concrete overpack and placed on an ISFSI for long-term dry storage.

Large quantities of SNM as a constituent of Fuel Bearing Material which are not readily removable from plant components will be segmented into smaller pieces and placed within WBLs. Segmentation and loading of WBLs is a wet process which will occur in the fuel transfer canal. Small fines and granular Fuel Bearing Material will be collected and placed into WBLs in specifically designed Debris Material Containers.

Small quantities of SNM are expected to be present in low-level radioactive waste shipments and sample materials. Masses greater than 1 gram will be reported via NRC Form 741, Nuclear Materials Transaction Report (Ref. 1.3.66), accompanying the waste shipment and be validated against waste acceptance criteria of the recipient disposal facility.

Based on existing exemptions (see Letter, Snyder, B. J. [NRC] to Standerfer, F. R.

[GPUNC], Approval of Exemption from 10 CFR 30.51,40.61,70.51[d] and 70.53

[Ref. 1.3.61]), to physical inventory requirements and annual reporting, SNM accountability and control will only consider transfer of SNM (as reported on NRC Form 742, Materials Balance Report [Ref. 1.3.67]) via characterized Low-Level Radioactive Waste (LLRW) packages and sample materials. SNM remaining in dry cask storage will be determined by subtracting the SNM quantities present from the quantities shipped as LLRW and/or samples. Final material balance reports will be provided when all SNM has been confirmed by Final Status Survey to have been removed.

Final In-Plant Inventory as determined by PDSRs

- SNM Shipped as Samples/Radwaste

= SNM in Dry Cask Storage (in canisters)

Further details of SNM Control during PDMS are provided in TMI2-RA-COR-2022-0019, from Lackey, M.L., License Amendment Request -

Three Mile Island Unit 2 Decommissioning Technical Specifications, Response to Request for Additional Information, dated September 29, 2022 (Ref. 1.3.44).

TMI-2 Defueled Safety Analysis Report Chapter 4:

Revision 0 Fuel 4-13 TABLE 4.3-1, FINAL SNM INVENTORY BY LOCATION - REACTOR BUILDING Location Description Fuel (kg)

RB Reactor Vessel 925 RB Reactor Head 1.3 RB Plenum 2.1 RB Pressurizer (including surge line) 0.5 RB OTSG A Tube Sheet 1.4 RB OTSG A Tube Bundle 1.7 RB OTSG A Lower Head and J-Legs 4.0 RB A Hot Legs 0.9 RB A Cold Legs 7.2 RB A Core Flood Line 0.6 RB OSTG B Tube Sheet 36.0 RB OSTG B Tube Bundle 9.1 RB OSTG B Lower Head and J-Legs 10.1 RB B Hot Legs 1.8 RB B Cold Legs 2.4 RB B Core Flood Line 0.4 RB Reactor Coolant Pumps 6.2 RB Decay Heat Drop Line 1.5 RB Basement Letdown Coolers 3.7*

RB Basement Reactor Coolant Drain Tank 0.1 RB Basement RB Basement and Sump 1.3 RB Fuel Transfer Canal 18.9 RB Core Flood System 4.9 RB In-Core Instrument Guide Tubes in the A D-ring 21.0 RB Upper End Fitting Storage Area 5.9 RB Tool Decontamination Facility 0.1 RB DWCS 3.7 RB Defueling Tools 0.6 RB TRVFS 4.4 RB RB Drains 4.4 RB RCS Surface Films 4.6 Total SNM Inventory

< 1086

  • Minimum Detectable Limit (MDL)

TMI-2 Defueled Safety Analysis Report Chapter 4:

Revision 0 Fuel 4-14 TABLE 4.3-2, FINAL SNM INVENTORY BY LOCATION - AUXILIARY AND FUEL HANDLING BUILDINGS Location Description Fuel (kg)

AX004 Seal Injection Valve Room 0.03 AX006 Make Up Pump Room - 1B 0.07*

AX007 Make Up Pump Room - 1A 0.23*

AX012 Auxiliary Building Sump Tank Room 0.10 AX015a/b Cleanup Filters 0.10*

AX019 Waste Disposal Liquid Valve Room 0.01*

AX020 Reactor Coolant Bleed Tank Room - 1B & 1C 3.50 AX021 Reactor Coolant Bleed Tank Room - 1A 0.31 AX024 Auxiliary Building Sump Filters 0.02 AX112 Seal Return Coolers and Filter Room 0.30*

AX114 MU & P Demineralizer Room - 1A 1.06 AX115 MU & P Demineralizer Room - 1B 0.13 AX116 Make Up Tank Room 0.31 AX117 MU & P Filter Room 0.06 AX128 Instrument and Valve Room 0.01 AX102 RB Sump Pump Filter Room 0.10 AX131 Miscellaneous Waste Tank Room AX134 Miscellaneous Waste Tank Pump Room AX218 Concentrated Waste Storage Tank Room 0.01 AX501 RB Spray Pump - 1A 0.01 AX502 RB Spray Pump - 1B 0.01 AX503 DHR Cooler & Pump - 1A 0.01 AX504 DHR Cooler & Pump - 1B 0.01 FH001 MU Suction Valve Room 0.46 FH003a Make Up Discharge Valve Room 0.01 FH003b Make Up Discharge Valve Room 0.10 FH002 Access Corridor 0.16 FH004 Westinghouse Valve Room FH014 Annulus FH101 MU & P Valve Room 0.32 FH109 Spent Fuel Pool A 3.80 FH112 Annulus 0.01 Multiple Embedded Valves and Piping (MU System) 0.17 Multiple Embedded Valves and Piping (WDL System) 0.04 Total SNM Inventory 11.46

  • Minimum Detectable Limit (MDL)

Note: All other locations contain less than 0.005 kg UO2 per area.

TMI-2 Defueled Safety Analysis Report Chapter 4:

Revision 0 Fuel 4-15 TABLE 4.3-3, AUXILIARY AND FUEL HANDLING BUILDING CUBICLE DESIGNATION Cubicle No.

Level Area Designation FH001 280-6 Make-Up Suction Valve Room FH002 280-6 Access Corridor FH003a/b 280-6 Make-Up Discharge Valve Rooms FH004 280-6 Westinghouse Valve Room FH005 280-6 Mini Decay Heat Vault FH006 280-6 Decay Heat Service Coolers FH007 280-6 Neutralizer & Reclaimed Boric Acid Access Area FH008 280-6 Neutralizer Tank Pumps Room FH009 280-6 Neutralizer Tank Room FH010 280-6 Reclaimed Boric Acid Tank Room FH011 280-6 Reclaimed Boric Acid Pump Room FH012 280-6 Neutralizer Tank Filter Room FH013 280-6 Oil Drum Storage Room FH014 280-6 Annulus from 280-6 to 305 FH101 305 Make-Up & Purification Valve Room FH102 305 East Corridor FH103 305 Sample Room FH104 305 West Corridor FH105 305 Model Room FH106 305 Monitor Tanks & Sample Sink Area FH107 305 Trash Compactor Area FH108 305 Truck Bay FH109 305 Spent Fuel Pool A (Under Cover)

FH110 305 SDS Spent Fuel Pool B (Under Cover)

FH111 305 Fuel Cask Storage (Under Cover)

FH112 305 Annulus from 305 to 328 FH201 328 East Corridor FH202 328 West Corridor FH203 328 Surge Tank FH204 328 New Fuel Storage - SPC Pit FH205 328 Annulus from 328 to 347-6 FH301 347-6 A Spent Fuel Pool (Above Cover)

FH302 347-6 B Spent Fuel Pool (Above Cover)

FH303 347-6 Upper New Fuel Storage Area FH304 347-6 Annulus Above 347-6 FH305 347-6 Spent Fuel Pool Access Area AX001 280-6 Reactor Building Emergency Cooling Booster Pumps Area AX002 250-6 Access Corridor

TMI-2 Defueled Safety Analysis Report Chapter 4:

Revision 0 Fuel 4-16 TABLE 4.3-3, AUXILIARY AND FUEL HANDLING BUILDING CUBICLE DESIGNATION (cont.)

Cubicle No.

Level Area Designation AX002a 280-6 Nitrogen Piping AX003 280-6 Access Area AX004 280-6 Seal Injection Valve Room AX005 280-6 Make-Up & Purification Pump 1C Room AX006 280-6 Make-Up & Purification Pump 1B Room AX007 280-6 Make-Up & Purification Pump 1A Room AX008 280-6 Spent Resin Storage Tank 1B Room & Access Area AX009 280-6 Spent Resin Storage Tank 1A Room AX010 280-6 Spent Resin Transfer Pump Room AX011 280-6 Auxiliary Building Sump Tank Pump & Valve Room AX012 280-6 Auxiliary Building Sump, Pump, & Tank Room AX013 280-6 Evaporation Tanks, Pumps, and Demineralization Area AX014 280-6 Reactor Coolant Evaporator Room AX015a/b 280-6 Clean Up Filters Area AX016 280-6 Clean Up Demineralizer 2A Room AX017 280-6 Clean Up Demineralizer 2B Room AX018 280-6 Waste Transfer Pumps Room AX019 280-6 Waste Disposal Liquid Valve Room AX020 280-6 Reactor Coolant Bleed Hold Up Tank 1B & 1C Room AX021 280-6 Reactor Coolant Bleed Hold Up Tank 1A Room AX022 280-6 North Stairwell Between 280-6 & 309 AX023 280-6 Elevator Shaft from Sump to 305 AX024 280-6 Auxiliary Building Sump Filters Room AX025 280-6 Area Between Service, Control, and Reactor Buildings AX026 280-6 Seal Injection Filters Area AX027 280-6 South Stairwell AX101 305 Radwaste Disposal CNTL PNL Access Area AX102 305 Reactor Building Sump Pump Filters Area AX103 305 MCC 2-11EB Room AX104 305 MCC 2-21EB Room AX105 305 Substation 2-11E Room AX106 305 Substation 2-21E Room AX107 305 MCC 2-11EA Room AX108 305 MCC 2-21EA Room AX109 305 Nuclear Service Coolers & Pumps Area AX110 305 Intermediate Coolers Area AX111 305 Intermediate Cooling Pumps & Filters AX112 305 Seal Return Coolers and Filter Area

TMI-2 Defueled Safety Analysis Report Chapter 4:

Revision 0 Fuel 4-17 TABLE 4.3-3, AUXILIARY AND FUEL HANDLING BUILDING CUBICLE DESIGNATION (cont.)

Cubicle No.

Level Area Designation AX113 305 Waste Gas Analyzer Room AX114 305 Make Up & Purification Demineralizer 1A Room AX115 305 Make Up & Purification Demineralizer 1B Room AX116 305 Make Up Tank Room AX117 305 Make Up & Purification Filter Room AX118 305 Spent Fuel Coolers Area AX119 305 Spent Fuel Demineralizer Room AX120 305 Spent Fuel Filters Area AX121 305 Elevator Shaft from 305 to 328 AX122 305 North Stairwell from 305 to 328 AX123 305 Access Area AX124 305 Concentrated Liquid Waste Pump Room AX125 305 Waste Gas Decay Tank 1B Room AX126 305 Waste Gas Filter Room AX127 305 Waste Gas Decay Tank 1A Room & Access Corridor AX128 305 Vent Header, Valve, and Instrument Room AX129 305 Deborating Demineralizer 1B Room AX130 305 Deborating Demineralizer 1A Room AX131 305 Miscellaneous Waste Hold Up Tank Room AX132 305 Corridor Between Unit 1 and Unit 2 AX133 305 South Stairwell Between 305 and 328 AX134 305 MWHT Pump Room AX135 305 Radwaste Disposal Control Panels AX136 305 Hot Tool Room (Part AX-123)

AX201 328 North Stairwell from 328 to 347 AX202 328 Elevator Shaft from 328 to 347 AX203 328 4160V Switchgear 2-1E Room AX204 328 4160V Switchgear 2-2E Room AX205 328 Reactor Building Purge and Breather Area AX206 328 Reactor Building Purge Air Exhaust Unit 1B AX207 328 Reactor Building Purge Air Exhaust Unit 1A AX208 328 Auxiliary Building Exhaust Unit B AX209 328 Auxiliary Building Exhaust Unit A AX210 328 Fuel Handling Building Exhaust Unit B AX211 328 Fuel Handling Building Exhaust Unit B AX212 328 Decay Heat Surge Tank & Unit Substation Area AX213 328 Unit Substations & Access Area AX214 328 Electro-Con Facility

TMI-2 Defueled Safety Analysis Report Chapter 4:

Revision 0 Fuel 4-18 TABLE 4.3-3, AUXILIARY AND FUEL HANDLING BUILDING CUBICLE DESIGNATION (cont.)

Cubicle No.

Level Area Designation AX215 328 Fuel Handling Building Supply Unit AX216 328 Auxiliary Building Supply Unit AX217 328 Access Area AX218 328 Concentrated Waste Tank AX219 328 Instrument Racks & Atmospheric Monitor Cabinet Area AX220 328 Chemical Addition Area AX221 328 Chemical Addition Area AX222 328 South Stairwell Above 379 AX223 328 Air Handling Units General Area AX301 363-9 Elevator Shaft Above 347-6 & Machinery Room 363-9 AX302 328 North Stairwell Above 347-6 AX303 347-6 Elevator and Stairwell Access AX401 353-6 Roof AX402 356-6 Cooling Water Surge Tank Room AX403 353-6 Damper Room (Penthouse)

AX501 258-6 Reactor Building Spray Pump 1A Room AX502 258-6 Reactor Building Spray Pump 1B Room AX503 258-6 Decay Heat Removal Cooler & Pump 1A Room AX504 258-6 Decay Heat Removal Cooler & Pump 1B Room

TMI-2 Defueled Safety Analysis Report Chapter 4:

Revision 0 Fuel 4-19 FIGURE 4.3-1, SNM ACCOUNTABILITY LOCATIONS, REACTOR BUILDING, 282-6 ELEVATION (BEST AVAILABLE COPY)

TMI-2 Defueled Safety Analysis Report Chapter 4:

Revision 0 Fuel 4-20 FIGURE 4.3-2, SNM ACCOUNTABILITY LOCATIONS, REACTOR BUILDING, 305-0 ELEVATION (BEST AVAILABLE COPY)

TMI-2 Defueled Safety Analysis Report Chapter 4:

Revision 0 Fuel 4-21 FIGURE 4.3-3, SNM ACCOUNTABILITY LOCATIONS, REACTOR BUILDING, 347-6 ELEVATION (BEST AVAILABLE COPY)

TMI-2 Defueled Safety Analysis Report Chapter 4:

Revision 0 Fuel 4-22 FIGURE 4.3-4, FUEL HANDLING AND AUXILIARY BUILDING, 280-6 ELEVATION (BEST AVAILABLE COPY)

TMI-2 Defueled Safety Analysis Report Chapter 4:

Revision 0 Fuel 4-23 FIGURE 4.3-5, FUEL HANDLING AND AUXILIARY BUILDING, 305-0 ELEVATION (BEST AVAILABLE COPY)

TMI-2 Defueled Safety Analysis Report Chapter 4:

Revision 0 Fuel 4-24 FIGURE 4.3-6, FUEL HANDLING AND AUXILIARY BUILDING, 328-0 ELEVATION (BEST AVAILABLE COPY)

TMI-2 Defueled Safety Analysis Report Chapter 4:

Revision 0 Fuel 4-25 FIGURE 4.3-7, FUEL HANDLING AND AUXILIARY BUILDING, 347-6 ELEVATION (BEST AVAILABLE COPY)

TMI-2 Defueled Safety Analysis Report Revision 0 RADIOLOGICAL CONDITIONS

TMI-2 Defueled Safety Analysis Report Chapter 5:

Revision 0 Radiological Conditions 5-2

5.1 INTRODUCTION

One consequence of the March 1979 accident was widespread radioactive contamination of the Reactor, Fuel Handling, and Auxiliary Buildings. RCS water was released to the Reactor Building and overflowed to the Auxiliary and Fuel Handling Buildings. These areas required extraordinary decontamination efforts to achieve the cleanup program objectives. Contamination of areas outside the Reactor Building and Auxiliary and Fuel Handling Buildings were minor and limited. These areas outside the Reactor Building and Auxiliary and Fuel Handling Buildings were decontaminated and either released for unrestricted use or configured such that the contamination is suitably contained.

The objectives of the decontamination program were to remove and/or stabilize the contamination to reduce occupational exposure to workers and to prevent release of contamination to the environment during recovery and cleanup activities. In addition, a final decontamination objective was to ensure that any remaining contamination was stable and suitably isolated.

Section 5.3 provides a description of the contamination levels remaining in the various areas of the plant and systems at the start of PDMS for use in planning decontamination and decommissioning activities and to describe ongoing radiological controls. This information is provided for information only and will not be updated.

Sections 5.2 and 5.4 describe aspects of the Radiation Protection Program at TMI-2 that will control activities during decommissioning. Sections 5.5 and 5.6 describe radioactive waste management and monitoring systems. Section 5.7 describes the Sealed Source Program as transferred from the TMI-2 Technical Specifications to this DSAR.

5.2 ENSURING OCCUPATIONAL RADIATION EXPOSURES ARE AS LOW AS IS REASONABLY ACHIEVABLE 5.2.1 ALARA PROGRAM Consistent with station modification, maintenance, operational requirements, and economic and social considerations, the policy of TMI2S is to:

A. Maintain the occupational dose equivalent to the individual As Low As Is Reasonably Achievable (ALARA);

B. Maintain the sum of occupational dose equivalents received by all exposed workers ALARA; and C. Limit the number of workers authorized to receive exposure to radiation.

NRC Regulatory Guide 8.8, Information Relevant to Ensuring That Occupational Radiation Exposures at Nuclear Power Stations Will Be As Low As Is Reasonably Achievable, Revision 3, Sections C.1, C.3, and C.4 (Ref. 1.3.14), is used as a basis for developing the ALARA and Radiation Protection (RP) programs.

TMI-2 Defueled Safety Analysis Report Chapter 5:

Revision 0 Radiological Conditions 5-3 Station managements commitment to this policy is reflected in RP procedures and programs. RP staff provides the radiological conditions and protection requirements necessary to complete work safely. The responsibility of each individual to adhere to these requirements and the procedures governing their work is key to the success of the program.

5.3 PDMS RADIOLOGICAL SURVEY This section describes the radiological conditions at the TMI-2 facility upon entering PDMS. These conditions are expressed in terms of general area dose rate, loose surface contamination, and general isotopic distribution. These conditions will guide initial work planning for decommissioning until surveys based on current conditions are completed.

5.3.1 RADIOLOGICAL ASSESSMENT Upon completion of cleanup activities (including decontamination) in a given area or cubicle, the area was isolated to prohibit uncontrolled access. Deactivated systems traversing the area of cubicle were drained, vented, and isolated. The subject area was, at that point, configured for long-term monitored storage and available for a final PDMS radiological assessment. This assessment was performed utilizing radiological surveys (in this case, radiation, contamination, and air activity surveys performed by Radiation Protection Technicians [RPTs]) as a basis for determining whether the established decontamination program endpoints were achieved as well as to document the radiological conditions that existed upon entering PDMS.

A. Pre-PDMS Radiological Survey Methodology Radiation contamination and air activity surveys were routinely performed during the course of the cleanup program in support of work activities. These surveys were performed in accordance with regulatory and industry standards and practices to verify and document radiation and contamination levels for use in controlling personnel exposure. These surveys were then evaluated as to whether or not they supported the conclusion that decontamination endpoints had been achieved. In those instances where existing surveys were judged unsuitable for substantiating decontamination endpoints, additional surveys were conducted.

B. PDMS Period Radiological Survey Methodology During the PDMS period, radiological conditions within the facility were monitored through sampling and periodic surveillance. Surveillance activities for the Reactor Building consisted of radiation surveys in conjunction with planned Reactor Building inspections. The purpose for conducting these surveys was to provide assurance that conditions were either stable or to provide early indication of any changing conditions that may require corrective action.

TMI-2 Defueled Safety Analysis Report Chapter 5:

Revision 0 Radiological Conditions 5-4 5.3.2 RADIOLOGICAL CONDITIONS AT BEGINNING OF PDMS Table 5.3-1, PDMS Radiological Conditions - Reactor Building, lists the specific radiological goals for the TMI-2 Reactor Building and the corresponding radiological conditions as of the radiological surveys conducted in September 1992.

The Reactor Building radiological conditions listed in Table 5.3-1 reflect rounded-off, average PDMS survey data for the entire cubicle/area in question. This data was compiled in the manner described in Section 5.3.1(A).

Table 5.3-2, PDMS Radiological Conditions - Auxiliary and Fuel Handling Buildings, lists the equivalent information for the Auxiliary and Fuel Handling Buildings as of November 1993.

Table 5.3-3, PDMS Radiological Conditions - Other Buildings, provides a summary of the radiological conditions for the balance-of-plant areas not covered by Table 5.3-1 and Table 5.3-2.

A. Surface Contamination at Beginning of PDMS To establish a baseline at the beginning of PDMS, the radioactivity present as surface contamination in various areas of the facility has been evaluated. This information serves as an initial reference for the evaluation of future activities in the respective areas.

In order to appraise the radioactivity present as loose surface contamination upon entry into PDMS, an analytical model was constructed utilizing available loose surface contamination data, generalized waste stream isotopic distributions, and estimates of surface area. This information is formatted in a manner similar to the general area dose rate and loose surface contamination data presented in Table 5.3-1, Table 5.3-2, and Table 5.3-3. Only surface contamination was considered; fixed contamination or contamination internal to piping systems or equipment was omitted. The generalized waste streams or distribution of principal isotopes are referenced on each of the tables.

Table 5.3-4, Surface Contamination - Reactor Building, lists the data obtained from the analytical model described above for the TMI-2 Reactor Building. Table 5.3-5, Surface Contamination - Auxiliary and Fuel Handling Buildings, lists the equivalent data for the Auxiliary and Fuel Handling Buildings, and Table 5.3-6, Surface Contamination - Other Buildings, provides a similar summary for the balance-of-plant areas. All calculations of the quantities of curies listed are based on the specific decontamination goals given on Table 5.3-2 and Table 5.3-3.

TMI-2 Defueled Safety Analysis Report Chapter 5:

Revision 0 Radiological Conditions 5-5 TABLE 5.3-1, PDMS RADIOLOGICAL CONDITIONS - REACTOR BUILDING Area Description Specific Decontamination Goals PDMS Radiological Conditions*

General Area Dose Rate (mR/hr.)

Surface Contamination (dpm/100 cm2)

General Area Dose Rate (mR/hr.)

Surface Contamination (dpm/100 cm2)

Elevation 305 to 347

<100

<50,000 150 2,000,000 Elevation 347 and above

<30

<50,000 50 710,000 Refueling Canal

<100

<50,000 120 670,000 D-Ring Interior, Elevation 349 and above As Is (A D-Ring)

As Is (B D-Ring)

As Is (A D-Ring)

As Is (B D-Ring) 300 (A D-Ring) 200 (B D-Ring) 280,000 (A D-Ring) 220,000 (B D-Ring)

Top of D-Rings

<100

<50,000 40 (A D-Ring) 50 (B D-Ring) 270,000 190,000 Basement, Elevation 282 As Is As Is 56,000**

See note below.

  • The radiological conditions in this table reflect rounded-off, average PDMS survey data.
    • This is the decay-corrected dose rate taken by the ROVER Robot, per TMI-2 Technical Planning Bulletin 85-03, Reactor Building Basement Measurements, Revision 0, February 11, 1985 (Ref. 1.3.53).

Note: This area is inaccessible; no meaningful data exists.

TMI-2 Defueled Safety Analysis Report Chapter 5:

Revision 0 Radiological Conditions 5-6 TABLE 5.3-2, PDMS RADIOLOGICAL CONDITIONS - AUXILIARY AND FUEL HANDLING BUILDINGS Cubicle No.

Area Description Specific Decontamination Goals PDMS Radiological Conditions*

General Area Dose Rate (mR/hr.)

Surface Contamination

<7/Overheads (dpm/100 cm2)

General Area Dose Rate (mR/hr.)

Surface Contamination

<7/Overheads (dpm/100 cm2)

AX001 Reactor Building Emergency Cooling Booster Pumps Area (WGP-1 Shielded Enclosure)

<2.5

<2.5

<1,000/<10,000

<1,000/10,000 1.5 2.4 590/2,500 81,000/6,500 AX002 Access Corridor

<2.5

<1,000/<10,000 1.5 110/1,300 AX002a N2 Piping System

<2.5

<1,000/N/A 1.8 110/N/A AX003 Access Area

<2.5

<1,000/<10,000 0.8 2,900/2,300 AX004 Seal Injection Valve Room

<1000

<50,000/<50,000 120 68,000/750,000 AX005 MUP Pump 1C Room

<500

<50,000/<50,000 8

40,000/30,000 AX006 MUP Pump 1B Room

<500

<50,000/<50,000 60 88,000/29,000 AX007 MUP Pump 1A Room

<500

<50,000/<50,000 40 9,200/21,000 AX008 Spent Resin Storage Tank 1B Room As Is As Is 710 960,000/3,400,000 AX009 Spent Resin Storage Tank 1A Room As Is As Is 1,700 3,000,000/6,000,000 AX010 Spent Resin Transfer Pump Room As Is As Is 180 1,400,000/5,100,000 AX011 Auxiliary Building Sump Tank Pump/Valve Room

<50

<5,000/<50,000 8

3,200/4,900 AX012 Auxiliary Building Sump & Tank Room

<50

<5,000/<50,000 560 390,000/68,000 AX013 Evaporator Condensate Tanks, Pumps Demineralizer Room

<500

<1,000/<10,000 5

130/140 AX014 RC Evaporator Room

<500

<50,000/<50,000 18 20,000/8,100 AX015a Cleanup Filters Room

<500

<50,000/<50,000 110 10,000/8,700 AX015b Cleanup After Filters Room

<500

<50,000/<50,000 38 21,000/13,000 AX016 Cleanup Demineralizer 2A Room

<500

<50,000/<50,000 38 21,000/13,000 AX017 Cleanup Demineralizer 2B Room

<500

<50,000/<50,000 110 10,000/8,700 AX018 Waste Transfer Pumps Room

<500

<50,000/<50,000 10 17,000/14,000 AX019 Waste Disposal Liquid Valve Room

<500

<50,000/<50,000 19 7,800/5,700 AX020 RC Bleed Holdup Tanks 1B & 1C Room

<500

<50,000/<50,000 160 520,000/200,000 AX021 RC Bleed Holdup Tank 1A Room

<500

<50,000/<50,000 18 1,800/12,000 AX022 North Stairwell

<2.5

<1,000/N/A 1.3 440/N/A AX023 Elevator Pit

<10

<50,000/N/A 14 25,000/N/A

  • The radiological conditions in this table reflect rounded-off, average PDMS survey data.

TMI-2 Defueled Safety Analysis Report Chapter 5:

Revision 0 Radiological Conditions 5-7 TABLE 5.3-2, PDMS RADIOLOGICAL CONDITIONS - AUXILIARY AND FUEL HANDLINGBUILDINGS (cont.)

Cubicle No.

Area Description Specific Decontamination Goals PDMS Radiological Conditions General Area Dose Rate (mR/hr.)

Surface Contamination

<7/Overheads (dpm/100 cm2)

General Area Dose Rate (mR/hr.)

Surface Contamination

<7/Overheads (dpm/100 cm2)

AX024 Auxiliary Building Sump Filters Room

<500

<50,000/<50,000 15 156,400/11,000 AX025 Area between Service, Control, and Reactor Buildings

<500

<1,000/<10,000 3.5 1,000/310 AX026 Seal Injection Filters Room

<500

<50,000/<50,000 12 9,000/1,100 AX027 South Stairwell

<2.5

<1,000/N/A 0.2 480/N/A AX101 Radwaste Disposal Control Panel Area

<2.5

<1,000/<10,000 0.2 90/110 AX102 Reactor Building Sump Pumps Filters Room

<1000

<50,000/<50,000 47 9,300/4,200 AX103 MCC 2-11EB Room

<2.5

<1,000/<10,000 0.2 470/480 AX104 MCC 2-21EB Room

<2.5

<1,000/<10,000 0.2 470/470 AX105 Substation 2-11E Room

<2.5

<1,000/<10,000 0.2 480/530 AX106 Substation 2-21E Room

<2.5

<1,000/<10,000 0.2 480/530 AX107 MCC 2-11EA Room

<2.5

<1,000/<10,000 0.2 460/530 AX108 MCC 2-21EA Room

<2.5

<1,000/<10,000 0.2 480/500 AX109 Nuclear Services Coolers and Pumps Area

<2.5

<1,000/<10,000 0.2 100/130 AX110 Intermediate Coolers Area

<2.5

<1,000/<10,000 0.2 100/130 AX111 Intermediate Cooling Pumps & Filters Room

<50

<1,000/<10,000 0.7 440/410 AX112 Seal Return Coolers & Filter Room

<1000

<50,000/<50,000 99 350,000/38,000 AX113 Waste as Analyzer Room

<50

<50,000/<50,000 19 22,000/6,400 AX114 MUP Demineralizer 1A Room As Is As Is 73,000 9,800/34,000 AX115 MUP Demineralizer 1B Room As Is As Is 68,000 31,000/280,000 AX116 Makeup Tank Room

<500

<50,000/<50,000 60 310,000/23,000 AX117 MUP Filters Room

<1000 As Is 940 330,000,000/2,400 AX118 Spent Fuel Coolers and Pumps Area

<2.5

<1,000/<10,000 1.1 1,000/3,000 AX119 Spent Fuel Demineralizer Room

<2.5

<1,000/<10,000 0.4 480/330 AX120 Spent Fuel Filter Room

<2.5

<1,000/<10,000 0.6 360/1,000 AX121 Inside Elevator Cab

<2.5

<1,000/N/A 0.3 250/N/A AX122 North Stairwell

<2.5

<1,000/N/A 0.2 470/N/A

TMI-2 Defueled Safety Analysis Report Chapter 5:

Revision 0 Radiological Conditions 5-8 TABLE 5.3-2, PDMS RADIOLOGICAL CONDITIONS - AUXILIARY AND FUEL HANDLING BUILDINGS (cont.)

Cubicle No.

Area Description Specific Decontamination Goals PDMS Radiological Conditions General Area Dose Rate (mR/hr.)

Surface Contamination

<7/Overheads (dpm/100 cm2)

General Area Dose Rate (mR/hr.)

Surface Contamination

<7/Overheads (dpm/100 cm2)

AX123 Access Area (includes AX136)

<2.5

<1,000/<10,000 0.2 160/140 AX124 Concentrated Liquid Waste Pump Room

<500

<50,000/<50,000 3.3 3,300/1,800 AX125 Waste Gas Decay Tank 1B Room

<500

<50,000/<50,000 0.2 1,000/1,000 AX126 Waste Gas Filter Room

<500

<50,000/<50,000 0.2 100/160 AX127 Waste Gas Decay Tank 1A Room

<500

<50,000/<50,000 0.6 6,400/690 AX128 Valve & Instrument Room

<500

<50,000/<50,000 2.7 1,000/1,300 AX129 Deborating Demineralizer 1B Room

<500

<50,000/<50,000 0.3 1,000/600 AX130 Deborating Demineralizer 1A Room

<500

<50,000/<50,000 0.5 540/520 AX131 Miscellaneous Waste Holdup Tank Room

<50

<50,000/<50,000 120 1,900/6,500 AX132 Unit 1 and Unit 2 Corridor

<2.5

<1,000/<10,000 0.2 100/100 AX133 South Stairwell

<2.5

<1,000/N/A 0.2 500/N/A AX134 Miscellaneous Waste Tank Pumps Room

<50

<50,000/<50,000 13 13,000/45,000 AX135 Radwaste Disposal Control Panels

<2.5

<1,000/<10,000 0.2 130/120 AX201 North Stairwell

<2.5

<1,000/N/A 0.2 450/N/A AX202 Elevator Shaft

<2.5

<1,000/<10,000 0.2 480/480 AX203 4160V Switchgear 2-1E Room

<2.5

<1,000/<10,000 0.2 480/460 AX204 4160V Switchgear 2-2E Room

<2.5

<1,000/<10,000 0.2 480/480 AX205 Reactor Building Purge and H2 Control Area

<2.5

<1,000/<10,000 0.7 100/130 AX206 Reactor Building Purge Air Exhaust Unit B

<50 N/A 10 200,000/N/A AX207 Reactor Building Purge Air Exhaust Unit A

<50 N/A 13 200,000/N/A AX208 Auxiliary Building Exhaust Unit B

<50 N/A 0.4 3,900/N/A AX209 Auxiliary Building Exhaust Unit A

<50 N/A 0.7 10,000/N/A AX210 Fuel Handling Building Exhaust Unit B

<50 N/A 0.9 12,000/N/A AX211 Fuel Handling Building Exhaust Unit A

<50 N/A 0.3 7,200/N/A AX212 Decay Heat Surge Tank and Substation Area

<2.5

<1,000/<10,000 0.2 100/90 AX213 Unit Substations and Access Area

<2.5

<1,000/<10,000 0.2 130/120

TMI-2 Defueled Safety Analysis Report Chapter 5:

Revision 0 Radiological Conditions 5-9 TABLE 5.3-2, PDMS RADIOLOGICAL CONDITIONS - AUXILIARY AND FUEL HANDLING BUILDINGS (cont.)

Cubicle No.

Area Description Specific Decontamination Goals PDMS Radiological Conditions General Area Dose Rate (mR/hr.)

Surface Contamination

<7/Overheads (dpm/100 cm2)

General Area Dose Rate (mR/hr.)

Surface Contamination

<7/Overheads (dpm/100 cm2)

AX214 Decontamination Facility (Internal Area of Decontamination Facility Tanks)

<2.5

<2.5

<1,000/<10,000

<1,000/N/A 0.3 0.4 150/100 4,400/N/A AX215 Fuel Handling Building Supply

<2.5 N/A 0.2 450/N/A AX216 Auxiliary Building Supply Unit

<2.5 N/A 0.2 450/N/A AX217 Access Area

<2.5

<1,000/<10,000 0.2 120/370 AX218 Concentrated Waste Storage Tank Room

<500

<50,000/<50,000 15 1,900/1,000 AX219 Instrument Racks and Atmospheric Monitor Area

<2.5

<1,000/<10,000 0.3 390/5,900 AX220 Caustic Liquids Mixing Area

<500

<1,000/<10,000 1.4 440/360 AX221 Caustic Liquids Mixing Area Corridor

<500

<1,000/<10,000 0.8 450/880 AX222 South Stairwell

<2.5

<1,000/N/A 0.2 100/N/A AX223 Air Handling Units General Area

<2.5

<5,000/<10,000 0.8 490/450 AX301 Elevator Machine Room

<2.5

<1,000/<10,000 0.2 100/170 AX302 North Stairwell

<2.5

<1,000/<10,000 0.2 480/480 AX303 Elevator and Stairwell Access

<2.5

<1,000/<10,000 0.2 510/510 AX304 Auxiliary Building Exhaust Fans

<2.5

<1,000/<10,000 0.6 750/510 AX305 Fuel Handling Building Exhaust Fans

<2.5

<1,000/<10,000 0.2 650/390 AX401 Roof

<2.5

<1,000/N/A 0.2 90/N/A AX402 Cooling Water Surge Tanks Room

<500

<50,000/<50,000 0.2 110/230 AX403 Damper Room

<500

<50,000/<50,000 0.2 120/130 AX501 Reactor Building Spray Pump 1A Room

<25

<5,000/<50,000 17 370,000/2,100,000 AX502 Reactor Building Spray Pump 1B Room

<25 As Is 31 110,000/540,000 AX503 Decay Heat Removal Cooler & Pump 1A Room

<25

<50,000/<50,000 11 43,000/280,000 AX504 Decay Heat Removal Cooler & 1B Room

<2.5

<50,000/<50,000 6.1 15,000/89,000 FH001 Makeup Suction Valve Room

<500 As Is 19 70,000/89,000 FH002 Access Corridor

<2.5

<1,000/<10,000 1.5 1,000/1,500 FH003a Makeup Discharge Valve Room

<1000

<50,000/<100,000 69 140,000/77,000

TMI-2 Defueled Safety Analysis Report Chapter 5:

Revision 0 Radiological Conditions 5-10 TABLE 5.3-2, PDMS RADIOLOGICAL CONDITIONS - AUXILIARY AND FUEL HANDLING BUILDINGS (cont.)

Cubicle No.

Area Description Specific Decontamination Goals PDMS Radiological Conditions General Area Dose Rate (mR/hr.)

Surface Contamination

<7/Overheads (dpm/100 cm2)

General Area Dose Rate (mR/hr.)

Surface Contamination

<7/Overheads (dpm/100 cm2)

FH003b Makeup Discharge Valve Room

<1000

<50,000/<100,000 220 510,000/180,000 FH004 Westinghouse Valve Room

<500

<50,000/<50,000 59 38,000/1,100,000 FH005 Mini Decay Heat Vault

<500

<50,000/<50,000 2.4 2,700/1,500 FH006 Decay Heat Service Coolers Area

<500

<1,000/<10,000 6.4 1,100/1,400 FH007 Neutralizer and Reclaimed Boric Acid Access Area

<500

<1,000/<10,000 0.8 100/460 FH008 Neutralizer Tanks Pumps Room

<500

<50,000/<50,000 180 22,000/4,700 FH009 Neutralizer Tanks Room

<500

<50,000/<50,000 150 21,000/8,300 FH010 Reclaimed Boric Acid Tank Room

<500

<50,000/<50,000 4.3 2,400/6,300 FH011 Reclaimed Boric Acid Pump Room

<500

<50,000/<50,000 9.1 14,000/20,000 FH012 Neutralizer Tanks Filters Room

<500

<50,000/<50,000 31 2,800/1,200 FH013 Oil Drum Storage Area

<500

<1,000/<10,000 0.2 100/100 FH014 Annulus

<500

<50,000/<50,000 110 35,000/7,500 FH101 MUP Valve Room

<500

<50,000/<50,000 200 850,000/14,000,000 FH102 East Corridor (Chemistry Sample Shielded Storage Cage)

<2.5

<2.5

<1,000/<10,000

<1,000/N/A 1.1 4

200/31,000 380,000/N/A FH103 Sample Room

<50

<50,000/<50,000 1.2 4,000/1,600 FH104 West Corridor

<2.5

<1,000/<10,000 0.2 120/100 FH105 Model Room (Boronometer Shielded Enclosure)

<2.5

<2.5

<1,000/<10,000

<1,000/N/A 0.2 21 100/100 22,000/N/A FH106 Monitor Tanks and Sample Sink Area

<2.5

<1,000/<10,000 0.7 330/110 FH107 Trash Compactor Area

<2.5

<1,000/<10,000 0.2 100/130 FH108 Truck Bay

<2.5

<1,000/<10,000 0.2 70/70 FH109 Spent Fuel Pool A (Under Fuel Pool Cover)

As Is As Is/N/A 230 55,000,000/N/A FH110 SDS Spent Fuel Pool B (Under Fuel Pool Cover)

<2.5

<1,000/N/A 6.9 180,000/N/A FH111 Fuel Cask Storage (Under Fuel Pool Cover)

<1000

<1,000/N/A 0.3 150,000/N/A FH112 Annulus

<100

<50,000/<50,000 19 3,500/840

TMI-2 Defueled Safety Analysis Report Chapter 5:

Revision 0 Radiological Conditions 5-11 TABLE 5.3-2, PDMS RADIOLOGICAL CONDITIONS - AUXILIARY AND FUEL HANDLING BUILDINGS (cont.)

Cubicle No.

Area Description Specific Decontamination Goals PDMS Radiological Conditions General Area Dose Rate (mR/hr.)

Surface Contamination

<7/Overheads (dpm/100 cm2)

General Area Dose Rate (mR/hr.)

Surface Contamination

<7/Overheads (dpm/100 cm2)

FH201 East Corridor

<2.5

<1,000/<10,000 1.0 420/9,400 FH202 West Corridor

<2.5

<1,000/<10,000 0.2 480/490 FH203 Surge Tank Area

<500

<50,000/<50,000 28 1,000/Inaccessible FH204 Standby Pressure Control Area

<500

<1,000/<10,000 0.2 1,000/1,000 FH205 Annulus

<100

<50,000/<50,000 8.7 700/8,500 FH301 Upper Spent Fuel Pool A Area (Above Fuel Pool Cover)

<2.5

<1,000/<10,000 3.9 240/300 FH302 SDS Operating Area

<2.5

<1,000/<10,000 1.2 480/400 FH303 Upper Standby Pressure Control Area

<2.5

<1,000/<10,000 0.2 300/160 FH304 Annulus

<500

<50,000/<50,000 0.6 2,200/2,200 FH305 Spent Fuel Pool Access Area

<2.5

<1,000/<10,000 1.3 390/900

TMI-2 Defueled Safety Analysis Report Chapter 5:

Revision 0 Radiological Conditions 5-12 TABLE 5.3-3, PDMS RADIOLOGICAL CONDITIONS - OTHER BUILDINGS Cubicle No.

Area Description Specific Decontamination Goals PDMS Radiological Conditions*

General Area Dose Rate (mR/hr.)

Surface Contamination

<7/Overheads (dpm/100 cm2)

General Area Dose Rate (mR/hr.)

Surface Contamination

<7/Overheads (dpm/100 cm2)

SB000 Service Building, Elevation 281

<2.5

<1,000/<10,000 0.4 100**/330 SB002 M-20 Area

<2.5

<1,000/<10,000 0.3 110/110 SB002 M-20 Area Sump

<2.5

<1,000/N/A 0.4 1,000/N/A SB100 Service Building Elevation 305 (Reactor Building Containment Control)

(Cubicle Secondary Chemistry Lab)

<2.5

<2.5

<2.5

<1,000/<10,000

<1,000/<10,000

<1,000/<10,000 0.2 0.2 0.2 110/380 1,300/4,000 1,700/140 SB500 Tendon Access Gallery

<2.5

<1,000/<10,000 0.4 110/110 TB000 Turbine Building, Elevation 281

<2.5

<1,000/<10,000 0.2 100/100 PA108 CACE Building

<2.5

<1,000/<10,000 0.4 100/100 RA101 PWST House (PWST Sump)

<2.5

<2.5

<1,000/<10,000

<1,000/N/A 0.2 0.2 120/110 120/N/A RA104 BWST Area

<2.5

<1,000/N/A 0.3 90/N/A

  • The radiological conditions in this table reflect rounded-off, average PDMS survey data.
    • These values do not include surface contamination on the cork seam.

TMI-2 Defueled Safety Analysis Report Chapter 5:

Revision 0 Radiological Conditions 5-13 TABLE 5.3-4, SURFACE CONTAMINATION - REACTOR BUILDING Area Description Principal Isotopes Curies Elevations 305 to 347 Cs-137 Sr-90 9.7 E-1 1.9 E-1 Elevations 347 and above Cs-137 Sr-90 6.7 E-1 3.3 E-1 Refueling Canal Cs-137 Sr-90 2.8 E-2 2.2 E-2 D-Ring Interior Elevation 349 and above Cs-137 Sr-90 3.2 E-2 2.0 E-3 Basement, Elevation 282 Cs-137 Sr-90 6.5 E+2 5.9 E+2

TMI-2 Defueled Safety Analysis Report Chapter 5:

Revision 0 Radiological Conditions 5-14 TABLE 5.3-5, SURFACE CONTAMINATION - AUXILIARY AND FUEL HANDLING BUILDINGS Cubicle No.

Area Description Principal Isotopes1 Curies2 AX001 Reactor Building Emergency Cooling Booster Pumps Area C

1.82E-3 AX002 Access Corridor B

5.45E-5 AX002a N2 Piping System C

6.67E-6 AX003 Access Area C

9.35E-4 AX004 Seal Injection Valve Room B

9.33E-3 AX005 MUP Pump 1C Room B

4.36E-3 AX006 MUP Pump 1B Room A

9.54E-3 AX007 MUP Pump 1A Room B

1.00E-3 AX008 Spent Resin Storage Tank 1B Room B

1.30E-1 AX009 Spent Resin Storage Tank 1A Room B

2.54E-1 AX010 Spent Resin Transfer Pump Room B

6.74E-2 AX011 Auxiliary Building Sump Tank Pumps and Valve Room B

1.18E-4 AX012 Auxiliary Building Sump and Tank Room B

3.97E-2 AX013 Evaporator Condensate Tanks, Pumps, and Demineralizer Room B

2.31E-5 AX014 RC Evaporator Room A

2.27E-3 AX015a Cleanup Filters Room A

3.78E-4 AX015b Cleanup After Filters Room A

7.71E-4 AX016 Cleanup Demineralizer 2A Room A

1.23E-3 AX017 Cleanup Demineralizer 2B Room A

6.03E-4 AX018 Waste Transfer Pumps Room B

1.06E-3 AX019 Waste Disposal Liquid Valve Room A

7.94E-4 AX020 RC Bleed Holdup Tanks 1B and 1C Room A

3.05E-1 AX021 RC Bleed Holdup Tank 1A Room B

7.97E-4 AX022 North Stairwell B

2.80E-5 AX023 Elevator Pit and Associated Equipment B

1.01E-3 AX024 Auxiliary Building Sump Filters Room B

1.78E-4 AX025 Area Between Service, Control, and Reactor Buildings B

1.73E-4 AX026 Seal Injection Filters Room C

1.90E-4 AX027 South Stairwell B

1.71E-5 AX101 Radwaste Disposal Control Panel Area B

1.96E-5 AX102 Reactor Building Sump Pumps Filters Room B

2.61E-4 AX103 MCC 2-11EB Room C

2.88E-5 AX104 MCC 2-21EB Room B

3.03E-5 AX105 Substation 2-11E Room B

7.10E-5 AX106 Substation 2-21E Room B

8.04E-5 AX107 MCC 2-11EA Room B

8.94E-5 AX108 MCC 2-21EA Room A

6.46E-5 AX109 Nuclear Services Coolers and Pumps Area B

3.42E-5 AX110 Intermediate Coolers Area C

3.54E-5

TMI-2 Defueled Safety Analysis Report Chapter 5:

Revision 0 Radiological Conditions 5-15 TABLE 5.3-5, SURFACE CONTAMINATION - AUXILIARY AND FUEL HANDLING BUILDINGS (cont.)

Cubicle No.

Area Description Principal Isotopes1 Curies2 AX111 Intermediate Cooling Pumps and Filters Room B

7.16E-5 AX112 Seal Return Coolers and Filter Room B

2.43E-2 AX113 Waste Gas Analyzer Room B

2.97E-3 AX114 MUP Demineralizer 1A Room B

5.99E-4 AX115 MUP Demineralizer 1B Room B

2.78E-3 AX116 Makeup Tank Room A

2.15E-2 AX117 MUP Filters Room C

2.58E+1 AX118 Spent Fuel Coolers and Pumps Area C

2.89E-4 AX119 Spent Fuel Demineralizer Room B

2.81E-5 AX120 Spent Fuel Filters Room A

9.33E-6 AX121 Inside Elevator Cab B

1.14E-5 AX122 North Stairwell B

2.95E-5 AX123 Access Area (includes AX-136, Hot Tool Room)

B 9.45E-5 AX124 Concentrated Liquid Waste Pump Room B

1.09E-4 AX125 Waste Gas Decay Tank 1B Room B

1.92E-4 AX126 Waste Gas Filter Room B

4.75E-6 AX127 Waste Gas Decay Tank 1A Room B

1.17E-3 AX128 Valve and Instrument Room B

8.02E-5 AX129 Deborating Demineralizer 1B Room B

5.80E-5 AX130 Deborating Demineralizer 1A Room B

3.21E-5 AX131 Miscellaneous Waste Holdup Tank Room B

2.69E-4 AX132 Corridor Between Unit 1 and Unit 2 B

1.47E-4 AX133 South Stairwell B

2.41E-5 AX134 Miscellaneous Waste Tank Pumps Room A

1.38E-3 AX135 Radwaste Disposal Control Panels B

4.61E-6 AX201 North Stairwell B

2.54E-5 AX202 Elevator Shaft B

2.16E-5 AX203 4160V Switchgear 2-1E Room B

1.05E-4 AX204 4160V Switchgear 2-2E Room B

1.09E-4 AX205 Reactor Building Purge and H2 Control Area A

3.95E-5 AX206 Reactor Building Purge Air Exhaust Unit B B

1.41E-2 AX207 Reactor Building Purge Air Exhaust Unit A B

1.56E-2 AX208 Auxiliary Building Exhaust Unit B B

2.42E-4 AX209 Auxiliary Building Exhaust Unit A B

6.24E-4 AX210 Fuel Handling Building Exhaust Unit B B

6.06E-4 AX211 Fuel Handling Building Exhaust Unit A B

3.56E-4 AX212 Decay Heat Surge Tank and Substation Area B

6.33E-5 AX213 Unit Substations and Access Area C

8.11E-5 AX214 Decontamination Facility C

1.68E-4

TMI-2 Defueled Safety Analysis Report Chapter 5:

Revision 0 Radiological Conditions 5-16 TABLE 5.3-5, SURFACE CONTAMINATION - AUXILIARY AND FUEL HANDLING BUILDINGS (cont.)

Cubicle No.

Area Description Principal Isotopes1 Curies2 AX215 Fuel Handling Building Supply Unit C

2.80E-5 AX216 Auxiliary Building Supply Unit B

3.36E-5 AX217 Access Area B

6.94E-5 AX218 Concentrated Waste Storage Tank Room B

1.44E-4 AX219 Instrument Racks and Atmospheric Monitor Area B

6.39E-5 AX220 Caustic Liquids Mixing Area B

4.28E-5 AX221 Caustic Liquids Mixing Area Corridor B

1.12E-4 AX222 South Stairwell B

4.89E-6 AX223 Air Handling Units General Area C

3.79E-4 AX301 Elevator Machine Room C

5.67E-6 AX302 North Stairwell B

2.40E-5 AX303 Elevator and Stairwell Access C

4.83E-5 AX304 Auxiliary Building Exhaust Fans C

2.22E-5 AX305 Fuel Handling Building Exhaust Fans A

1.94E-5 AX401 Roof A

1.54E-4 AX402 Cooling Water Surge Tanks Room C

1.55E-5 AX403 Damper Room B

1.26E-5 AX501 Reactor Building Spray Pump 1A Room A

2.98E-2 AX502 Reactor Building Spray Pump 1B Room B

8.56E-3 AX503 Decay Heat Removal Cooler and Pump 1A Room A

8.08E-3 AX504 Decay Heat Removal Cooler and Pump 1B Room A

2.67E-3 FH001 Makeup Suction Valve Room C

1.57E-2 FH002 Access Corridor C

2.17E-4 FH003a Makeup Discharge Valve Room B

3.45E-3 FH003b Makeup Discharge Valve Room B

1.75E-2 FH004 Westinghouse Valve Room C

6.66E-3 FH005 Mini Decay Heat Vault B

8.61E-5 FH006 Decay Heat Service Coolers Area B

4.48E-4 FH007 Neutralizer and Reclaimed Boric Acid Access Area B

4.50E-5 FH008 Neutralizer Tanks Pumps Room B

2.17E-3 FH009 Neutralizer Tanks Room B

2.94E-3 FH010 Reclaimed Boric Acid Tank Room A

1.97E-4 FH011 Reclaimed Boric Acid Pump Room A

9.16E-4 FH012 Neutralizer Tanks Filters Room B

4.29E-5 FH013 Oil Drum Storage Area B

4.49E-6 FH014 Annulus A

5.22E-3 FH101 MUP Valve Room B

1.14E-1 FH102 East Corridor B

5.67E-4 FH103 Sample Room B

2.40E-4

TMI-2 Defueled Safety Analysis Report Chapter 5:

Revision 0 Radiological Conditions 5-17 TABLE 5.3-5, SURFACE CONTAMINATION - AUXILIARY AND FUEL HANDLING BUILDINGS (cont.)

Cubicle No.

Area Description Principal Isotopes1 Curies2 FH104 West Corridor C

3.20E-5 FH105 Model Room B

4.38E-4 FH106 Monitor Tanks and Sample Sink Area C

7.08E-5 FH107 Trash Compactor Area B

5.62E-6 FH108 Truck Bay A

5.46E-5 FH109 Spent Fuel Pool A3 C

1.35E+2 FH110 SDS Spent Fuel Pool3 C

4.62E-2 FH111 Fuel Cask Storage3 C

1.14E-2 FH112 Annulus B

4.39E-4 FH201 East Corridor B

1.51E-4 FH202 West Corridor B

1.07E-4 FH203 Surge Tank Area B

4.35E-5 FH204 Standby Pressure Control Area C

2.36E-4 FH205 Annulus B

7.24E-5 FH301 Upper Spent Fuel Pool A Area C

5.30E-5 FH302 SDS Operating Area B

1.53E-4 FH303 Upper Standby Pressure Control Area C

1.92E-4 FH304 Annulus B

6.05E-4 FH305 Spent Fuel Pool Access Area C

2.65E-4 1The principal isotopes and their relative distribution are defined below. The Sr-90 value represents the sum of the Sr-90 and Y-90 isotopes which are in equilibrium; the Cs-137 value represents the sum of the Cs-137 and Ba-137m isotopes which are in equilibrium. The A, B, and C categories relate to normal, makeup, and defueling waste streams, respectively. Only those isotopes important from an offsite dose perspective are included.

A B

C Sr-90 0.08 Sr-90 0.29 Sr-90 0.63 Cs-137 0.92 Cs-137 0.71 Cs-137 0.28 Pu-238 4.43E-6 Pu-238 1.67E-5 Pu-238 4.25E-4 Pu-239 5.39E-5 Pu-239 2.04E-4 Pu-239 5.18E-3 Pu-240 1.43E-5 Pu-240 5.41E-5 Pu-240 1.37E-3 Pu-241 4.86E-4 Pu-241 1.84E-3 Pu-241 0.04 Am-241 1.56E-5 Am-141 5.92E-5 Am-141 1.50E-3 Pm-147 0.04 2These are calculated values based on the specific decontamination values given in Table 5.3-2, PDMS Radiological Conditions - Auxiliary and Fuel Handling Buildings.

3A metal cover with an access door was placed over these areas to prevent spread of contamination.

TMI-2 Defueled Safety Analysis Report Chapter 5:

Revision 0 Radiological Conditions 5-18 TABLE 5.3-6, SURFACE CONTAMINATION - OTHER BUILDINGS Cubicle No.

Area Description Principal Isotopes1 Curies2 SB000 Service Building Elevation 281 A

1.31E-4 SB002 M-20 Area A

1.16E-4 SB002 M-20 Area Sump A

1.04E-5 SB100 Service Building Elevation 305 (Reactor Building Containment Control Cubicle)

(Secondary Chemistry Lab)

A B

B 7.23E-5 5.72E-5 3.81E-4 SB500 Tendon Access Gallery A

1.22E-4 TB000 Turbine Building Elevation 281' A

5.90E-4 PA108 CACE Building B

2.69E-5 RA101 PWST Pump House (PWST Sump)

A A

2.72E-5 2.53E-6 RA104 BWST Area A

2.92E-5 1The principal isotopes and their relative distribution are defined below. The Sr-90 value represents the sum of the Sr-90 and Y-90 isotopes which are in equilibrium; the Cs-137 value represents the sum of the Cs-137 and Ba-137m isotopes which are in equilibrium.

The A and B categories relate to normal and makeup waste streams, respectively. Only those isotopes important from an offsite dose perspective are included.

A B

Sr-90 0.08 Sr-90 0.29 Cs-137 0.92 Cs-137 0.71 Pu-238 4.43E-6 Pu-238 1.67E-5 Pu-239 5.39E-5 Pu-239 2.04E-4 Pu-240 1.43E-5 Pu-240 5.41E-5 Pu-241 4.86E-4 Pu-241 1.84E-3 Am-241 1.56E-5 Am-241 5.92E-5 2These are calculated values based on the specific decontamination values presented in Table 5.3-3, PDMS Radiological Conditions - Other Buildings.

5.3.3 REACTOR BUILDING DRONE SURVEY On June 23, 2021, an aerial drone was used to assess conditions in the TMI-2 Reactor Building. As part of that survey, radiological conditions were measured.

The results of the survey are provided in Appendix 5A, Results of TMI-2 Reactor Building Drone Surveys.

TMI-2 Defueled Safety Analysis Report Chapter 5:

Revision 0 Radiological Conditions 5-19 5.4 RADIATION PROTECTION PROGRAM 5.4.1 EQUIPMENT, INSTRUMENTATION, AND FACILITIES A. Personnel Monitoring Administrative controls provide the requirements for personnel entering radiologically posted areas onsite and the need to wear personnel monitoring devices based on radiological hazards. These administrative controls also provide for the use of portal personnel radiation monitors.

A portal personnel radiation monitor is provided at the plant exit for monitoring of surface and internal activity of people leaving the plant. The portal monitor provides for complete head-to-foot coverage. The portal console monitor located on the portal frame includes status lights, as well as a contamination alarm. The contamination signal from the console alerts personnel to the contamination condition so that the proper action can be taken if necessary.

B. Protective Clothing The nature of the decommissioning work and the radiological conditions are the governing factors in the selection of protective clothing. Example of protection apparel available are shoe covers, rubber overshoes, head covers, beanies, gloves (cotton liners and rubber gloves), and coveralls or lab coats. Additional items of specialized apparel such as plastic or rubber suits, face shields, and respirators are available for activities involving high-level contamination and airborne radioactivity areas. In all cases, administrative controls provide the requirements for RP to evaluate the radiological conditions and specify the required items of protective clothing.

C. Physical Barriers for Access to High Radiation Areas Controlled areas are posted as radiation areas, high radiation areas, radioactive material areas, airborne radioactivity areas, or combinations thereof. Access to controlled areas for all work is authorized in accordance with RP procedures.

High radiation areas are controlled as required by TMI-2 Technical Specifications, Section 6.11 (Ref. 1.3.54).

D. Records RP-related records are maintained in accordance with administrative procedures and a retention and retrieval system.

5.4.2 PROCEDURES TMI-2 maintains a Radiation Protection Program (RPP) (see TMI2-RP1-PG-001, Radiological Protection Program [Ref. 1.3.46]) that meets or exceeds standards for protection against exposures to radiation and radioactivity. The implementation of the RPP ensures that the facility will be managed and maintained during decommissioning in a manner that minimizes risk to employees, contractors, visitors, and the public of exposure to radiation and radioactivity at the facility. The implementation of the RPP also ensures a radiologically safe working environment for employees and visitors at TMI-2.

TMI-2 Defueled Safety Analysis Report Chapter 5:

Revision 0 Radiological Conditions 5-20 The RPP and related procedures are designed to provide protection of personnel against exposure to radiation and RAM in a manner consistent with applicable regulations. The policy of TMI-2 Solutions is to maintain personnel radiation exposure As Low As Is Reasonably Achievable (ALARA). Therefore, each individual is trained to minimize his or her exposure consistent with discharging his or her duties. Each individual is responsible for observing rules adopted for his or her safety and that of others. RP procedures are in place which factor in ALARA controls.

RP personnel evaluate radiological conditions during decommissioning in accordance with established and required RP procedures. RP personnel will ensure compliance with all applicable regulations and will ensure that the required records are adequately maintained.

Training of site personnel in RP principles and procedures is given at the beginning of their work assignments and periodically retraining thereafter as defined in RP procedures.

Procedures are in place which require performance of ALARA reviews as necessary as decommissioning progresses.

5.5 RADIOACTIVE WASTE MANAGEMENT Liquid radwaste management systems that are operational during DECON are the Radioactive Waste - Miscellaneous Liquids (WDL) System and the Sump Pump Discharge and Miscellaneous Sumps System. Major portions of these two systems are operational to prevent localized flooding and to provide proper disposal of effluents.

5.5.1 RADIOACTIVE WASTE - MISCELLANEOUS LIQUIDS (WDL) SYSTEM A. Function Portions of the WDL System remain operational. This status provides assurance that significant quantities of liquid wastes will not accumulate in an uncontrolled manner in the Auxiliary and Reactor Buildings. Liquid radwaste in these buildings may result from either rainwater in-leakage or decommissioning activities. The WDL System currently achieves its objective by meeting the following criteria:

1. Existing sumps in the Auxiliary and Reactor Buildings will be monitored and pumped, as required.
2. Liquid storage capabilities have been provided for accumulation until sufficient quantities are available for batch processing, as necessary.
3. A Receiving Tank (T-3) is in place in the Kelly Enclosure (Auxiliary Building, 281-ft. Elevation) to accept water from the Miscellaneous Waste Holdup Tank (MWHT) to recirculate, sample, and transfer liquid radioactive waste to a vendor truck for offsite processing/disposal or released in accordance with 10 CFR 20, Standards for Protection Against Radiation (Ref. 1.3.1); 10 CFR 50, Domestic Licensing of Production and Utilization Facilities (Ref. 1.3.3); and applicable NPDES regulations.

Different provisions for handling liquid wastes will be employed as progress is made in decommissioning.

TMI-2 Defueled Safety Analysis Report Chapter 5:

Revision 0 Radiological Conditions 5-21 5.5.2 SUMP PUMP DISCHARGE AND MISCELLANEOUS SUMPS SYSTEM A. Function There are a number of sumps in TMI-2 that will be maintained in an operational condition. The various sumps and their locations are listed in Table 5.5-1, Operational Sump Systems.

Maintaining the various building sumps operational assures that water buildup does not cause adverse localized flooding. These sumps will contain water that is either clean or slightly radioactive. Clean water is presently routed to the Industrial Waste Treatment System (IWTS). Radioactive water will be processed and discharged via approved pathways; slightly radioactive water will be pumped to the IWTS and released in accordance with 10 CFR 20, Standards for Protection Against Radiation (Ref. 1.3.1); 10 CFR 50, Domestic Licensing of Production and Utilization Facilities (Ref. 1.3.3); and applicable NPDES regulations. The discharge from the IWTS is monitored for radiation in accordance with the ODCM (Ref. 1.3.30).

TABLE 5.5-1, OPERATIONAL SUMP SYSTEMS Sumps Associated with SD System Sump Location Turbine Building Sump Turbine Building Control Building Area Sump M-20 Area West Control and Service Buildings Sump Service Building Tendon Access Gallery Sump Tendon Access Gallery Air Intake Tunnel Normal Sump Air Intake Tunnel Sumps Associated with WDL System Sump Location Reactor Building Basement Sump Reactor Building Auxiliary Building Sump Auxiliary Building Decay Heat Removal Pump Room Sumps (2)

Auxiliary Building Reactor Building Spray Pump Room Sumps (2)

Auxiliary Building Contaminated Drain Tank Room Sump Service Building 5.6 RADIATION MONITORING 5.6.1 FUNCTION The radiation monitoring requirements for the facility are primarily those associated with the radiological conditions in the facility and effluent monitoring. The offsite dose calculations for normal time periods and unanticipated events (refer to Chapter 8, Routine and Unanticipated Releases) are based on assumed and measured radiological conditions associated with the various areas of the facility. In order to assure that the offsite dose calculations for the various events remain bounding, the radiological conditions are periodically monitored to assure they remain within acceptable bounds. In addition, all effluents are monitored for effluent reporting.

TMI-2 Defueled Safety Analysis Report Chapter 5:

Revision 0 Radiological Conditions 5-22 Broader radiological conditions monitoring will be conducted throughout the facility to assure compliance with good radiological condition practices and 10 CFR 20, Standards for Protection Against Radiation (Ref. 1.3.1). These radiological monitoring activities are required to support activities such as decontamination, dismantlement, visual inspections, preventive maintenance, or other routine tasks.

5.6.2 RADIOLOGICAL SURVEYS A. Auxiliary and Fuel Handling Buildings Radiological Surveys Radiological surveys will be conducted on a periodic basis to monitor radiological conditions in the Auxiliary and Fuel Handling Buildings. These radiological surveys will consist of air sampling and loose surface contamination and radiation dose rate surveys.

B. Reactor Building Radiological Surveys Radiological surveys will be conducted on a periodic basis to monitor radiological conditions in the Reactor Building. These radiological surveys will consist of air sampling and loose surface contamination and radiation dose rate surveys.

5.6.3 EFFLUENT MONITORING Airborne effluents will be monitored during ventilation of the Reactor Building.

During Reactor Building Ventilation System operation, the station ventilation stack monitor (HP-R-219/HP-R-219A) will provide real-time monitoring of releases.

In the Auxiliary and Fuel Handling Building, the ventilation system exhaust pathway is also monitored by the station ventilation stack monitor (HP-R-219/

HP-R-219A), thus assuring a monitored effluent release.

5.6.4 GENERAL RADIOLOGICAL MONITORING Throughout decommissioning, an ongoing radiological surveillance program will monitor radiological conditions within the Reactor, Auxiliary and Fuel Handling Buildings. By means of various surveys, potential degradation of radiological conditions will be identified in order for appropriate remedial actions to be taken.

Radiological surveys will be performed in areas requiring access for decontamination, decommissioning, visual inspection, preventive maintenance, or other routine tasks. Radiological support of work will be conducted in accordance with RP procedures and good radiological work practices.

5.7 SEALED SOURCES Sealed Source requirements from TMI-2 Technical Specifications (Ref. 1.3.54) have been transferred to the DSAR as provided in Appendix 5B, Sealed Source Requirements.

TMI-2 Defueled Safety Analysis Report Chapter 5:

Revision 0 Radiological Conditions 5-23 APPENDIX 5A, RESULTS OF TMI-2 REACTOR BUILDING DRONE SURVEYS (PAGE 1 OF 3)

On June 23, 2021, an aerial drone was used to access conditions inside the TMI-2 Reactor Building. As part of this assessment, a radiation survey was performed. The results of the radiation survey are provided below for each Reactor Building Elevation. Legends for each area are modified to give the best visual representation of the dose rates in the area. Dose surveys are shown with bands of consistent dose rates seen across the areas. A table was constructed with these ranges of dose rates and each area was given a roman numeral identifier. The table shows the corresponding measured dose rate, as seen on the dosimeter, and a corrected dose rate, that was adjusted based on Exelon Powerlabs testing.

TMI-2 Defueled Safety Analysis Report Chapter 5:

Revision 0 Radiological Conditions 5-24 APPENDIX 5A RESULTS OF TMI-2 REACTOR BUILDING DRONE SURVEYS (PAGE 2 OF 3)

TMI-2 Defueled Safety Analysis Report Chapter 5:

Revision 0 Radiological Conditions 5-25 APPENDIX 5A RESULTS OF TMI-2 REACTOR BUILDING DRONE SURVEYS (PAGE 3 OF 3)

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Revision 0 Radiological Conditions 5-26 APPENDIX 5B, SEALED SOURCE REQUIREMENTS (PAGE 1 OF 2) 3/4.4 SEALED SOURCES 3/4.4.1 SEALED SOURCE INTEGRITY LIMITING CONDITIONS 3.4.1 Each sealed source containing radioactive material either in excess of 100 microcuries of beta and/or gamma emitting material or 5 microcuries of alpha emitting material (except as noted in 4.4.1.2) shall be free of 0.005 microcuries of removable contamination.

APPLICABLE: DURING DECON ACTION:

a.

Each sealed source with removable contamination in excess of the above limit shall be immediately withdrawn from use and:

1.

Either decontaminate and repair, or

2.

Dispose in accordance with Commission Regulations.

SURVEILLANCE REQUIREMENTS TEST REQUIREMENTS 4.4.1.1 Each sealed source shall be tested for leakage and/or contamination by:

a.

The licensee, or

b.

Other persons specifically authorized by the Commission or an Agreement State.

The test method shall have a detection sensitivity of at least 0.005 microcuries per test sample.

TEST FREQUENCIES 4.4.1.2 Each category of sealed source shall be tested at the frequency described below.

a.

Source in use (excluding fission detectors previously subjected to core flux) - At least once per six months for all sealed sources containing radioactive material:

1.

With half-life greater than 30 days (excluding Hydrogen 3) and

2.

In any form other than gas.

b.

Stored sources not in use - Each sealed source and fission detector shall be tested prior to use or transfer to another licensee unless tested within the previous six months. Sealed sources and fission detectors transferred without a certificate indicating the last test date shall be tested prior to being placed into use.

c.

Fission detectors - Each sealed fission detector shall be tested within 31 days prior to being subjected to core flux or installed in the core and following repair or maintenance to the source.

TMI-2 Defueled Safety Analysis Report Chapter 5:

Revision 0 Radiological Conditions 5-27 APPENDIX 5B SEALED SOURCE REQUIREMENTS (PAGE 2 OF 2)

REPORTS 4.4.1.3 A report shall be prepared and submitted to the Commission on an annual basis if sealed source or fission detector leakage tests reveal the presence of 0.005 microcuries of removable contamination.

3/4.4 SEALED SOURCES BASES 3/4.4.1 SEALED SOURCE INTEGRITY The limitation on removable contamination for sources requiring leak testing, including alpha emitters, is based on 10 CFR 70.39(c) limits for plutonium. This limitation will ensure that leakage from byproduct, source, and Special Nuclear Material sources will not exceed allowable intake values.

TMI-2 Defueled Safety Analysis Report Revision 0 DEACTIVATED SYSTEMS AND FACILITIES DELETED

TMI-2 Defueled Safety Analysis Report Revision 0 OPERATIONAL SYSTEMS AND FACILITIES

TMI-2 Defueled Safety Analysis Report Chapter 7:

Revision 0 Operational Systems and Facilities 7-2

7.1 INTRODUCTION

This chapter describes those systems and facilities which will be maintained in an operational condition at the start of decommissioning. Generally, those facilities which are maintained operational are those buildings or areas that contain operational systems or partially operational systems.

Operational facilities and systems serve several functions within the scope of decommissioning activities, including support of site operations, maintenance activities, and surveillance activities. Table 7.2-1, Operational Facilities, and Table 7.3-1, Operational Systems, provide a listing of those facilities and systems which will be maintained in an operational condition at the start of DECON. These tables also provide other relevant information concerning the status of the listed facilities and systems.

The following systems and facilities discussed in Chapter 7 provide reasonable assurance that TMI-2 can be maintained during DECON with minimal risk to the health and safety of the public: 1) Reactor Building structure; 2) Reactor Building ventilation; 3) fire protection; 4) Auxiliary and Fuel Handling Buildings ventilation systems; 5) associated support and monitoring systems; and 6) Unit 2s flood protection capabilities.

7.2 OPERATIONAL FACILITIES TMI-2 facilities required to be operational are described in this section. Facilities are required to be operational to support operational systems within those facilities and/or to isolate internal contamination from the environment.

7.2.1 REACTOR BUILDING The Reactor Building provides shielding of the environment from the contained radiation. It also provides the means to assure that any effluents from the Reactor Building will be controlled, filtered, and monitored. The Reactor Building was designed to withstand airplane crashes, a safe-shutdown earthquake, tornados, floods, and other natural phenomena. The Reactor Building was also designed with the capability to isolate any radioactive materials produced as a result of accidents or other unplanned events.

Although modifications were made to several of the Reactor Building penetrations, the structural capabilities of the Reactor Building were not significantly diminished by the accident or any of the cleanup activities. The Containment Air Control Envelope (CACE) will provide a barrier to the environment for the probable natural phenomena as required by the local building codes.

7.2.2 AUXILIARY BUILDING The Auxiliary Building will serve primarily to support operation of the liquid radwaste, Auxiliary Building sump, HEPA-filtered ventilation, and effluent monitoring systems required for decommissioning activities.

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Revision 0 Operational Systems and Facilities 7-3 7.2.3 FUEL HANDLING BUILDING During decommissioning, the Fuel Handling Building is not required for storage of new or spent fuel. However, it may be utilized for the temporary staging of site-generated radwaste or other appropriate uses. During decommissioning, the capability to ventilate the Fuel Handling Building with a HEPA-filtered pathway to the environment will be maintained.

7.2.4 FLOOD PROTECTION Flood Protection for TMI-2 is described in Section 2.4.

7.2.5 CONTROL AND SERVICE BUILDINGS The Control Building houses the TMI-2 Control Room, a relay room, two deactivated inverter battery rooms, a cable spreading room, and a mechanical equipment room. Although the Alarm Monitoring System directs instrument alarm outputs to the TMI-1 Control Room, the TMI-2 Control Room annunciators/panel indications will be relied upon to provide specific information should the need arise.

The Service Building houses the operational Compressed Air System compressors, receiver tanks, and associated piping. In addition, the Service Building provides access to the Reactor Building, the Auxiliary Building, the Control Building, and the Air Intake Tunnel. The Control and Service Buildings sumps will maintain functionality as needed for collection of water intrusion, and means will be provided to pump contaminated water out to a storage or processing facility.

7.2.6 TURBINE BUILDING The Turbine Building houses operational support systems. Operational systems located in the Turbine Building include:

A. The Turbine Building 13.2KV power feed load disconnects, which feeds a portion of the 480/120VAC distribution system and the 125VDC distribution system.

B. Sump pump and Sump Discharge (SD) lines from TMI-2.

C. Turbine Building crane.

7.2.7 CONTAINMENT AIR CONTROL ENVELOPE The CACE is currently used as a staging/packing area for materials and equipment requiring transfer into or out of the reactor building, while helping to control airborne releases from the reactor building. The CACE will also permit the removal of the equipment hatch without exposing the Reactor Building contents directly to the atmosphere.

The CACE is designed for the probable natural phenomena as required by the local building codes. It does not have as part of its design basis the severe natural phenomena used for permanent nuclear power plant structures. These severe natural phenomena (e.g., tornadoes, Safe Shutdown Earthquakes [SSE], and probable maximum floods) are not postulated to occur during the short-term design life of the CACE.

TMI-2 Defueled Safety Analysis Report Chapter 7:

Revision 0 Operational Systems and Facilities 7-4 7.3 OPERATIONAL SYSTEMS The following sections describe the systems that will maintain functionality as needed. Table 7.3-1, Operational Systems, provides a listing of those systems. Also listed are the system codes, internal contamination, and any relevant remarks regarding operation.

Each of the following sections addresses the function of the specific system. A list of references providing more detailed information is included in Section 7.1. As decommissioning progresses, these systems will be modified, replaced by temporary systems, and eventually entirely removed when they are no longer required.

As required by the DQAP (Ref. 1.3.40), procedures are in place to control the operations, surveillance, testing, modifications, and maintenance of the operational systems.

7.3.1 REACTOR BUILDING SYSTEMS The following systems or portions of systems maintain functionality as needed to support decommissioning.

A. Reactor Building Ventilation The Reactor Building Ventilation System ensures that uncontrolled atmospheric migration of radioactive contamination will not create a hazard to either the public or site personnel. The Reactor Building Ventilation System consists of supply and exhaust units and associated ductwork, dampers, and filters.

B. Reactor Building Airlock The personnel airlock doors will be used for Reactor Building ingress and egress. The airlock is designed as a double-door system with one of the doors always closed during routine entry into the Reactor Building. Under these conditions, the Reactor Building remains isolated (an enclosed volume) and the amount of Reactor Building air which could be released to or from the Reactor Building is limited to the volume inside of the airlock assembly.

There are situations when it is necessary to open both doors of the airlock assembly simultaneously, as is the case of movement of a long piece of equipment into or out of the Reactor Building. These entries will be controlled in accordance with TMI2-RP1-PG-001, Radiological Protection Program (Ref. 1.3.46).

7.3.2 FIRE PROTECTION, SERVICE, AND SUPPRESSION TMI-2 has been permanently defueled. The Fire Protection requirements of 10 CFR 50.48(f) (Ref. 1.3.3) apply. The requirements of 10 CFR 50.48(f) are described more thoroughly in NRC Regulatory Guide 1.191, Fire Protection Program for Nuclear Power Plants During Decommissioning and Permanent Shutdown (Ref. 1.3.11). The TMI-2 Fire Protection Program meets the requirements of NRC Regulatory Guide 1.191, Fire Protection Program for Nuclear Power Plants During Decommissioning and Permanent Shutdown (Ref. 1.3.11).

The FPPE (Ref. 1.3.37) describes how the program satisfies these requirements.

TMI-2 Defueled Safety Analysis Report Chapter 7:

Revision 0 Operational Systems and Facilities 7-5 7.3.3 ELECTRICAL SYSTEMS Various plant systems are required to maintain functionality as needed to support the dismantlement, monitoring, protection, and surveillance activities associated with decommissioning. Some systems require continuous operation, while others require only intermittent operation. Due to the need for electrical power support for these activities, the Electrical Distribution System will maintain functionality as needed and remain energized.

7.3.4 SUPPORT SYSTEMS The operational systems discussed in this section provide the necessary measures to support activities at TMI-2. Although they do not directly ensure protective functions, their operation is necessary to carry out anticipated operation, inspection, surveillance, maintenance, and decommissioning activities.

A. Auxiliary Building Ventilation System The ability to ventilate the Auxiliary Building will be maintained to support decommissioning activities. When in operation, this system performs the following functions:

  • Provides fresh air in a sufficient quantity to maintain room temperatures compatible for personnel and equipment.
  • Minimizes the spread of contamination by providing air flow from clean areas to potentially contaminated areas and to the exhaust.
  • Filters exhaust air.

B. Fuel Handling Building Ventilation System The ability to ventilate the Fuel Handling Building will be maintained to support decommissioning activities. When in operation, this system performs the following functions:

  • Provides fresh air in a sufficient quantity to maintain room temperatures suitable for personnel and equipment.
  • Minimizes the spread of contamination by providing air flow from clean areas to potentially contaminated areas and then to the exhaust.
  • Filters exhaust air.

C. Compressed Air Supply System Portions of the original plant Instrument and Service Air Systems are to be utilized to provide compressed air to operational pneumatic devices.

D. Control Room Ventilation System The Control Room Ventilation System will be maintained in an operational condition to support decommissioning activities. This system provides fresh, heated or cooled air in a sufficient quantity to support personnel occupancy and equipment protection.

TMI-2 Defueled Safety Analysis Report Chapter 7:

Revision 0 Operational Systems and Facilities 7-6 E. Service Building Ventilation System The Service Building Ventilation System will be maintained in an operational condition to support decommissioning activities. When in operation, this system performs the following functions:

  • Provides fresh, heated air in a sufficient quantity to maintain room temperatures suitable for personnel and equipment.
  • Minimizes the spread of contamination by providing air flow from clean areas to potentially contaminated areas and then to the exhaust.
  • Filters exhaust air.

F. Alarm Monitoring System The function of the alarm monitoring system is to notify plant operations personnel of an abnormal plant condition which requires operator action to correct or which represents a threat to plant, personnel, or equipment safety.

The Alarm Monitoring System provides the means to remotely monitor select TMI-2 alarms and TMI-2 station vent monitor signals. As required by EP-TM-1002, Three Mile Island Independent Spent Fuel Storage Installation (ISFSI) Only Emergency Plan (IOEP) (Ref. 1.3.31), the Alarm Monitoring System is designed such that if the remote monitoring of the alarms becomes inoperable, the TMI-2 Control Room alarms and station vent monitor signals can be monitored from the annunciators and other recorders/equipment in the TMI-2 Control Room.

TMI-2 Defueled Safety Analysis Report Chapter 7:

Revision 0 Operational Systems and Facilities 7-7 TABLE 7.3-1, OPERATIONAL SYSTEMS

System Description

System Code Remarks Reactor Building Ventilation AH Ventilation will be operational as determined by the RP program.

Reactor Building Airlock and Equipment Hatch RBA Airlocks for personnel/equipment access.

Fire Protection FP See TMI2-FP-EVA-0001, TMI-2 Fire Protection Program Evaluation (FPPE) (Ref. 1.3.37).

Waste Disposal - Liquid (Miscellaneous)

WDL Necessary equipment/tanks to process water will be maintained operational. The building sump pumps, the miscellaneous waste holdup tank (WDL-T-2), the ABST (WDL-T-5), and interconnecting pipe shall maintain functionality as needed for water removal functions.

Sump Pump Discharge and Miscellaneous SD Facilities are sealed to limit exterior water ingress. Periodic sump pump operations will prevent sump accumulation of drainage and inadvertent in-leakage.

Radiation Monitoring HP Radiation monitors and alarms maintain functionality as needed -selected HP monitoring, and survey programs are also continued.

Electric Distribution EE Electrical equipment that supports operable systems and facilities shall maintain functionality as needed.

Auxiliary Building Ventilation AH Ventilation will be operational to the extent necessary Fuel Handling Building Ventilation AH Ventilation will be operational to the extent necessary.

Compressed Air Supply IA/SA Air-cooled air compressors use portions of Instrument and Service Air Systems.

Control Building Ventilation AH Ventilation will be operational to the extent necessary.

Service Building Ventilation AH Ventilation will be operational to the extent necessary. Includes Control Building Area Ventilation.

Alarm Monitoring System

TMI-2 Defueled Safety Analysis Report Revision 0 ROUTINE AND UNANTICIPATED RELEASES

TMI-2 Defueled Safety Analysis Report Chapter 8:

Revision 0 Routine and Unanticipated Releases 8-2 8.1 GENERAL The primary objective of the TMI-2 Cleanup Program was the elimination of radiological hazards to the public resulting from the accident on March 28, 1979, and minimization of onsite worker exposure. The program progressed from the initial efforts to stabilize the plant conditions through the final major cleanup efforts, including the removal and shipment of fuel and decontamination of major portions of the Auxiliary, Fuel Handling, and Reactor Buildings.

The potential for release of significant quantities of radionuclides during decommissioning is substantially reduced from the potential for release during normal power plant operation.

This decrease results from the reduced radionuclide inventory (shown in Table 5.3-4, Surface Contamination - Reactor Building, and Table 5.3-5, Surface Contamination -

Auxiliary and Fuel Handling Buildings). Therefore, the assessment of any radionuclide release during DECON hinges on the identification of processes or events that could either alter the potential for transport of the remaining radionuclide inventory or provide unanticipated transport mechanisms to the environment. A range of potential unanticipated events has been postulated to establish the bounding conditions of potential offsite releases.

In addition to routine releases, the environmental effects for unanticipated events that result in offsite radiation exposures in excess of those which result from routine releases are bounded by the ODCM (Ref. 1.3.30) and the TMI IOEP (Ref. 1.3.31).

8.1.1 ROUTINE RELEASES Atmospheric releases to the environment during routine decommissioning operations will be limited to airborne contamination released as a result of operating the building ventilation systems. Ventilation discharges will be through controlled, filtered, and monitored paths. As described in the ODCM (Ref. 1.3.30), this control requires that the dose to offsite personnel be limited to the design objectives of 10 CFR 50, Domestic Licensing of Production and Utilization Facilities, Appendix I (Ref. 1.3.3). This will assure the dose received by the public during DECON is equivalent to or less than that from a normal operating reactor. The limits also assure that the environmental impacts are consistent with those assessed in NUREG-0683, Final Programmatic Environmental Impact Statement Related to Decontamination and Disposal of Radioactive Wastes Resulting from March 28, 1979 Accident, Three Mile Island Nuclear Station, Unit 2 (PEIS) (Ref. 1.3.16).

Liquid systems, except for systems needed to occasionally process batches of contaminated liquids, were drained to the extent practical and deactivated for decommissioning. The major sources of contaminated liquids requiring processing during decommissioning are expected to be water used to provide shielding for core debris material removal and any necessary component sectioning, groundwater in-leakage, collected precipitation, and occasional small quantities of fluids used for local decontamination. Rainwater and groundwater in-leakage will be collected and analyzed for any contamination. The capability of processing this liquid will be available to ensure that discharges are well within regulatory requirements.

TMI-2 Defueled Safety Analysis Report Chapter 8:

Revision 0 Routine and Unanticipated Releases 8-3 8.1.2 SOURCE TERMS The inventory of radionuclides remaining onsite is greatly reduced from that existing prior to the accident or during any of the phases of the recovery operations.

This results primarily from the following:

A. Removal of the fuel, which represents the largest concentration of radionuclides, B. Processing and shipping radioactive waste, and C. Natural decay.

The remaining radioactivity can be characterized as residual contamination located primarily in either closed piping systems that were drained but not aggressively decontaminated or surface films that are tightly adherent to equipment or structural surfaces. An exception is the Reactor Building basement (282-ft. elevation).

The largest source of radioactivity in the Reactor Building basement is the block wall enclosing the stairwell and elevator. Radionuclides (primarily cesium and strontium) have been absorbed into the concrete structure of the blocks during the period when the wall was partially submerged in highly contaminated water that collected in the Reactor Building basement during and following the accident.

Since the Radioactive Material (RAM) is embedded in the concrete, it is not readily available as a source for airborne release in the near term. However, over longer periods of time, mechanisms related to diffusion and leaching by cyclic changes in moisture content may transport a fraction of the radionuclides in the block wall to the surface where it can become available for suspension. Even though this fraction is expected to be small, the large inventory of the block wall (i.e., an estimated 19,000 Ci of Cs and 750 Ci of Sr prior to decay during PDMS) could make any suspension of radionuclides reaching the surface a significant airborne source term.

Other major sources of radioactivity in the Reactor Building that could make a significant contribution to the airborne source term include the remaining wall and floor areas that were submerged in the highly contaminated water located in the Reactor Building basement following the accident, the interior of the D-rings, and the sediment remaining in the Reactor Building basement after the completion of sediment removal activities.

Another important factor in the consideration of residual contamination is the transuranic content. Although the quantity of fuel remaining after completion of defueling is insufficient to be of concern with respect to criticality, it is necessary to examine the potential contribution it could make to radiological source terms.

TMI-2 Defueled Safety Analysis Report Chapter 8:

Revision 0 Routine and Unanticipated Releases 8-4 The relative fractions of the significant transuranic elements remaining in the residual fuel are given in Table 8.1-1, Ci Fractions in Residual Fuel. The Ci fractions for the residual fuel were calculated based on the original core inventory corrected for 8 years decay. On the basis of the samples analyzed to date, as well as the analyses of the course of the accident, the transuranic elements can be assumed to be associated with residual fuel. Most of the residual fuel remaining during decommissioning will be fixed in the form of fine and granular debris that was inaccessible to defueling during earlier clean-up operations, tightly adherent surface deposits not readily removable by available dynamic defueling techniques, and resolidified material that is tightly adherent to the RV components.

8.1.3 UNANTICIPATED RELEASES The offsite doses from unanticipated events are bounded by the ODCM (Ref. 1.3.30) and the TMI IOEP (Ref. 1.3.31), as discussed in Section 8.2.

TABLE 8.1-1, CI FRACTIONS IN RESIDUAL FUEL Isotope Ci Fraction Pu-238 1.12 E-2 Pu-239 6.81 E-2 Pu-240 3.32 E-2 Pu-241 7.73 E-1 Am-241 1.15 E-1 Total 1.00 8.2 UNANTICIPATED EVENTS ANALYSIS 8.

2.1 INTRODUCTION

Upon entry into DECON, major decommissioning activities will begin with Phase 1B, which entails activities necessary to complete the cleanup from the accident that occurred on March 28, 1979 (i.e., source term reduction and debris material removal). The objective of Phase 1B is to achieve building and equipment decontamination to the point where general area dose rates approximate those of an undamaged reactor nearing the end of its operating life. At the completion of Phase 1B, TMI-2 will prepare for Phase 2 decommissioning, which entails typical D&D activities.

As described in TMI2-RA-COR-2023-0002, Supplement to License Amendment Request - Proposed Changes to TMI-2 Possession Only License and Technical Specifications (Ref. 1.3.45), a decision was made to use administrative controls to limit any accidental offsite release to less than the criteria for initiating an Unusual Event, as defined by NEI 99-01, Development of Emergency Action Levels for Non-Passive Reactors (Ref. 1.3.10), for permanently defueled reactors.

TMI-2 Defueled Safety Analysis Report Chapter 8:

Revision 0 Routine and Unanticipated Releases 8-5 As part of evaluating potential offsite releases, an airborne source term based on known loose surface contamination isotopic breakdown was derived. This derivation used decay-corrected 1993 10 CFR Part 61 waste stream data for Dry Active Waste (DAW) found in Calculation 6612-93-021, TMI-2 Waste Stream Update (Ref. 1.3.28), and removable contamination smears on a drone used to survey the Reactor Building in June of 2021, as well as recent smears associated with the Reactor Building elevator and the polar crane.

In addition, events that could exceed the threshold of a Notification of an Unusual Event (NOUE) were selected for review based on TMI2-RA-COR-2023-0002, from Hazelhoff, A. C., Supplement to License Amendment Request - Proposed Changes to TMI-2 Possession Only License and Technical Specifications, dated January 27, 2023 (Ref. 1.3.45). As described, the events that could exceed the threshold of an NOUE were determined to be:

  • A fire involving DAW,
  • A failure of a HEPA Filter,
  • A drop of a spent zeolite liner,
  • A rupture of a Processed Water Storage Tank (PWST), and
  • An oxyacetylene explosion.

8.2.2 DOSE RATE LIMITS FOR FIRES AND HEPA FILTER FAILURE A fire involving DAW and a failure of a HEPA Filter was addressed in 164090-EN-CALC-004, Source Term Limitations and Administrative Controls for the TMI-2 Decommissioning Emergency Plan Action Levels (Ref. 1.3.27).

Based on this calculation, administrative limits will be placed on the activity content of combustibles available for a fire to limit the fire severity and to prevent having a fire that will cause a release corresponding to the dose associated with two times the ODCM limit at a location corresponding to the highest atmospheric dispersion factor listed in the ODCM or above. This will ensure that the release levels will remain below the NOUE limit for the site. Procedures will be developed in accordance with TMI2-RP1-PG-001, Radiological Protection Program (Ref. 1.3.46), to perform monitoring and to implement the source term administrative limits to ensure potential events do not exceed site boundary dose limits.

TMI-2 Defueled Safety Analysis Report Chapter 8:

Revision 0 Routine and Unanticipated Releases 8-6 TABLE 8.2-1, CONTAINER DOSE RATES FOR EACH RELEASE SCENARIO AND VARIOUS DISTANCES Container Release Height HEPA Cs-137 Activity Limit (Ci)

Dose Rate, mR hr-1 1.27 cm 30 cm 100 cm B-25 Elevated N

1.04E+00 5.32E+02 2.91E+02 1.00E+02 20 yd roll-off Elevated N

1.04E+00 1.03E+02 6.67E+01 3.34E+01 30 yd roll-off Elevated N

1.04E+00 8.23E+01 5.96E+01 3.21E+01 40 yd roll-off Elevated N

1.04E+00 6.73E+01 5.27E+01 3.05E+01 B-25 Elevated Y

1.04E+02 5.32E+04 2.91E+04 1.00E+04 20 yd roll-off Elevated Y

1.04E+02 1.03E+04 6.67E+03 3.34E+03 30 yd roll-off Elevated Y

1.04E+02 8.23E+03 5.96E+03 3.21E+03 40 yd roll-off Elevated Y

1.04E+02 6.73E+03 5.27E+03 3.05E+03 B-25 Ground N

5.26E-01 2.68E+02 1.47E+02 5.06E+01 20 yd roll-off Ground N

5.26E-01 5.19E+01 3.37E+01 1.68E+01 30 yd roll-off Ground N

5.26E-01 4.15E+01 3.01E+01 1.62E+01 40 yd roll-off Ground N

5.26E-01 3.39E+01 2.66E+01 1.54E+01 B-25 Ground Y

5.26E+01 2.68E+04 1.47E+04 5.06E+03 20 yd roll-off Ground Y

5.26E+01 5.19E+03 3.37E+03 1.68E+03 30 yd roll-off Ground Y

5.26E+01 4.15E+03 3.01E+03 1.62E+03 40 yd roll-off Ground Y

5.26E+01 3.39E+03 2.66E+03 1.54E+03 In addition, 164090-EN-CALC-004, Source Term Limitations and Administrative Controls for the TMI-2 Decommissioning Emergency Plan Action Levels (Ref. 1.3.27), established cut-off dose rate limits for building installed HEPA Filters such that in the event of a 100% HEPA Filter failure and release of entrained contamination due to a fire, the criteria for an NOUE would not be exceeded.

These limits are:

TABLE 8.2-2, BUILDING HEPA FILTER DOSE RATE LIMITS Distance from External Surface of HEPA Filter Array (cm)

Installed HEPA Filters Dose Rate Limit (mR hr-1) 1.27 104 30 42 100 14 Procedures prepared in accordance with TMI2-RP1-PG-001, Radiological Protection Program (Ref. 1.3.46), will be developed to perform this monitoring and to implement the administrative limits described above.

TMI-2 Defueled Safety Analysis Report Chapter 8:

Revision 0 Routine and Unanticipated Releases 8-7 8.2.3 WASTE HANDLING EVENTS A zeolite liner drop and a Processed Water Storage Tank (PWST) Rupture were addressed in 164090-EN-CALC-003, TMI-2 Source Term Limitations and Administrative Controls to Prevent Exceeding the Emergency Action Levels (EALs) for Zeolite Liner Drop and Processed Water Storage Tank (PWST) Rupture (Ref. 1.3.26). This calculation evaluated potential liquid storage and processing accidents during active decommissioning.

Due to the high concentration of radionuclides on an expended zeolite liner, an accident involving spent zeolite demineralizer media was determined to have the highest potential for airborne dose consequences off-site. To calculate potential airborne off-site dose, the average activity on January 1, 2021, was divided by the zeolite mass to calculate the concentrations of activity on the zeolite. Based on this calculation, the activities required to exceed 1 mrem TEDE or the NOUE levels at the EAB are greater than the dispersed Cesium-137 and Strontium-90 activities remaining onsite as decayed from Table 2.4 in NUREG-0683, Supplement 3, Programmatic Environmental Impact Statement Related to Decontamination and Disposal of Radioactive Wastes Resulting from March 28, 1979 Accident, Three Mile Island Nuclear Station, Unit 2 (Ref. 1.3.17).

A PWST rupture accident was previously analyzed in NUREG-0683, Final Programmatic Environmental Impact Statement Related to Decontamination and Disposal of Radioactive Wastes Resulting from March 28, 1979, Accident, Three Mile Island Nuclear Station, Unit 2, Vol. 1, Section 10.4.2.1, Failure of Processed Water Storage Tank (Ref. 1.3.16). NUREG-0683 states that during water processing operations, processed water will be temporarily stored in two holding tanks located outdoors, each of 500,000-gallon capacity. If one of these tanks ruptured and 50% of its entire contents were released, storm drains would transport the water to the east channel of the river. A criterion for storage of processed accident water in these tanks is that the content of radioactivity stored in each outside processed water storage tank should be limited such that a tank failure would not result in greater than 10 CFR 20 (Table II, Col. 2) concentrations (Ref. 1.3.1) at the nearest drinking water intake for combined radionuclides as a function of actual tank volume. The effluent concentration limit per nuclide is listed below. The concentration limit for the PWST is based on a sum of the fractions for each radionuclide.

TMI-2 Defueled Safety Analysis Report Chapter 8:

Revision 0 Routine and Unanticipated Releases 8-8 TABLE 8.2-3, 1 EC AT NEAREST DRINKING WATER PWST ACTIVITY LIMITS Nuclide Ci EC (Ci/ml)

Tank Limit (Ci)

H-3 1.00E-03 6.52E+09 C-14 3.00E-05 1.96E+08 Mn-54 3.00E-05 1.96E+08 Fe-55 1.00E-04 6.52E+08 Ni-63 1.00E-04 6.52E+08 Co-60 3.00E-06 1.96E+07 Sr-90 5.00E-07 3.26E+06 Tc-99 1.00E-05 6.52E+07 Ru-106 3.00E-06 1.96E+07 Sb-125 3.00E-05 1.96E+08 I-129 2.00E-07 6.89E-10 Cs-134 9.00E-06 5.87E+07 Cs-137 1.00E-06 6.52E+06 Ce-144 3.00E-06 1.96E+07 Pu-238 2.00E-08 1.30E+05 Pu-241 1.00E-06 6.52E+06 Am-241 2.00E-08 1.30E+05 8.2.4 OXYACETYLENE EXPLOSION With respect to an oxyacetylene explosion, there are no current plans to use oxyacetylene in the vicinity of high source term components in the Reactor Building (i.e., the Reactor Vessel Internals and the Reactor Coolant System and associated components). For these high source term components, TMI-2 Solutions plans to use mechanical means for size reduction. Additionally, any use of oxyacetylene in the vicinity of high source term components in the Reactor Building would be evaluated and controlled by the TMI-2 Engineering Program and be subject to a review in accordance with 10 CFR 50.59 (Ref. 1.3.3) to confirm prior NRC approval is not required.

8.2.5 OTHER EVENTS In addition to the above, NRC Letter, Request for Additional Information for Requested Licensing Action Regarding Decommissioning Technical Specifications (Ref. 1.3.62), requested information on three other potential events: Buildup of Radiolytic Gases, Dust Explosion and Exothermic Reaction Hazard, and a potential fire in the cork seam. These events were addressed in TMI2-RA-COR-2022-0019, License Amendment Request - Three Mile Island Unit 2 Decommissioning Technical Specifications, Response to Request for Additional Information (Ref. 1.3.44).

TMI-2 Defueled Safety Analysis Report Chapter 8:

Revision 0 Routine and Unanticipated Releases 8-9 A. Buildup of Radiolytic Gases With respect to buildup of radiolytic gases, TMI2-RA-COR-2022-0019, License Amendment Request - Three Mile Island Unit 2 Decommissioning Technical Specifications, Response to Request for Additional Information (Ref. 1.3.44), states:

In preparation for entry into PDMS, the plant systems were vented, drained, and the remaining water volumes were processed for disposal. As a result, there are no significant water volumes remaining in TMI-2.

However, TMI-2 Solutions recognizes there may be small, localized hydrogen gas pockets remaining within the highly contaminated portions of plant systems and components that could lead to hydrogen production.

TMI-2 Solutions will establish a work planning instruction which will evaluate specific hydrogen concerns relevant to a given scope of work and include hydrogen mitigation measures appropriate for that work.

B. Dust Explosion and Exothermic Reaction Hazard With respect to dust explosion and exothermic reaction hazard, TMI2-RA-COR-2022-0019, License Amendment Request - Three Mile Island Unit 2 Decommissioning Technical Specifications, Response to Request for Additional Information (Ref. 1.3.44), concluded this was not a hazard for decommissioning based on the following:

1. If fines were released from the reactor vessel to the Reactor Building Basement via pressurizer relief valves, they were exposed to oxygen in the water for several years after the accident and then to the atmosphere after water was removed and are thoroughly oxidized.
2. If any unoxidized fines exist, they would be mixed with river water sediment, concrete dust, and dirt which would act as a diluent and would minimize any potential for ignition and propagation.
3. Pyrophoricity of TMI-2 sediment was not a safety concern during cleanup operations and a further 30 years of oxidation has occurred.

C. Fire in the Cork Seam With respect to a potential fire in the cork seam, TMI2-RA-COR-2022-0019, License Amendment Request - Three Mile Island Unit 2 Decommissioning Technical Specifications, Response to Request for Additional Information (Ref. 1.3.44), concluded that the cork seam construction joint consists of combustible materials (polysulfide sealant, polyurethane foam, and the cork itself), but the following measures minimize the possibility of an adverse fire involving the cork seam:

1. The work process controls are in place in accordance with NRC Regulatory Guide 1.191, Fire Protection Program for Nuclear Power Plants During Decommissioning and Permanent Shutdown (Ref. 1.3.11),
2. The cork seam itself is partially saturated with water,

TMI-2 Defueled Safety Analysis Report Chapter 8:

Revision 0 Routine and Unanticipated Releases 8-10

3. The cork seam is only present in the basement elevation, which has concrete walls and ceilings as barriers,
4. The majority of the cork seam location is isolated from the major decommissioning impacted areas (e.g., inside Locked High Radiation Area cubicles in the Auxiliary Building, etc.),
5. A portion of the cork seam is in an area with ventilation that exhausts through HEPA filtration,
6. Of the total volume of cork seam, only a narrow ~1 inch width is exposed and available to a potential fire, and
7. There are presently no major combustibles within the areas containing the cork seam.

TMI-2 Defueled Safety Analysis Report Revision 0 TECHNICAL SPECIFICATIONS DELETED

TMI-2 Defueled Safety Analysis Report Revision 0 ADMINISTRATIVE FUNCTIONS

TMI-2 Defueled Safety Analysis Report Chapter 10:

Revision 0 Administrative Functions 10-2

10.1 INTRODUCTION

The primary administrative functions for the management of TMI-2 during Decommissioning are referenced in this chapter.

10.2 QUALITY ASSURANCE PLAN TMI2-QA-PG-001, Three Mile Island Unit 2 Decommissioning Quality Assurance Plan (DQAP) (Ref. 1.3.40), has been developed to provide TMI-2 with a limited scope QA Program that is structured to correspond to the 18-criteria format of 10 CFR 50, Domestic Licensing of Production and Utilization Facilities, Appendix B (Ref. 1.3.3). It is applied as necessary to assure decommissioning activities subject to the plan are in compliance with applicable regulatory requirements, assure compliance with the conditions of the NRC License, and assure conformance to the descriptions in this DSAR.

The DQAP (Ref. 1.3.40) is implemented in a graded and customized approach which is based on the Importance to Safety and safety significance of Systems, Structures and Components (SSCs) and activities, as well as on an evaluation of regulations, risks, complexity, and history of previous implementation. The application of a graded approach only allows grading of rigor in implementing these requirements and does not relieve TMI-2 Solutions of its responsibility to maintain compliance with associated regulatory codes and standards.

The concept of what is Important to Safety in 10 CFR 71, Packaging and Transportation of Radioactive Material (Ref. 1.3.5), differs from the concept in 10 CFR 50, Domestic Licensing of Production and Utilization Facilities, Appendix B (Ref. 1.3.3). When applying the criteria of 10 CFR 50, Domestic Licensing of Production and Utilization Facilities, Appendix B (Ref. 1.3.3), at TMI-2, the unique shutdown and defueled status of the facility is considered.

These considerations have little applicability to the activities governed by the guidelines of 10 CFR 71, Packaging and Transportation of Radioactive Material (Ref. 1.3.5). The criteria, as specified in Appendix A of the DQAP (Ref. 1.3.40), considers the guidance in NUREG/CR-6407, Classification of Transportation Packaging and Dry Spent Fuel Storage System Components According to Importance to Safety (Ref. 1.3.19), and NRC Regulatory Guide 7.10, Establishing Quality Assurance Programs for Packaging Used in Transport of Radioactive Material (Ref. 1.3.13), for applying a graded approach based on the SSCs Importance to Safety.

TMI-2 Defueled Safety Analysis Report Chapter 10:

Revision 0 Administrative Functions 10-3 10.3 SECURITY PLAN The TMI-2 specific security measures are detailed in TMI2-SE-PN-001, TMI-2 Materials Security Plan (SUNSI) (Ref. 1.3.47), and include provisions for 10 CFR 37, Physical Protection of Category 1 and Category 2 Quantities of Radioactive Material (Ref. 1.3.2);

10 CFR 73.67, Licensee fixed site and in-transit requirements for the physical protection of special nuclear material of moderate and low strategic significance (Ref. 1.3.7); and considerations for 10 CFR 20, Standards for Protection Against Radiation (Ref. 1.3.1), and rely on some controls from the TMI-1 NRC Approved ISFSI Physical Security Plan (PSP).

In accordance with these plans, security zones contain the radiological materials of concern. These security zones can only be accessed through controlled access points. The Restricted Area is also controlled. The plan relies on the detection of Sabotage, Diversion, and Theft of the radiological materials of concern and a Local Law Enforcement Agency (LLEA) response if Sabotage, Diversion, or Theft is detected. Once TMI-2 begins to retrieve, aggregate, package, and load storage canisters for placement at the ISFSI, The loaded canisters will also be subject to the requirements of 10 CFR 37, Physical Protection of Category 1 and Category 2 Quantities of Radioactive Material (Ref. 1.3.2) and 10 CFR 73.67, Licensee fixed site and in-transit requirements for the physical protection of special nuclear material of moderate and low strategic significance (Ref. 1.3.7) as they are transported on site to the TMI-1 ISFSI. Current planning is to pour a new pad inside the TMI-1 ISFSI fence to store the canisters.

10.4 EMERGENCY PLAN A radiological emergency response plan (found in EP-TM-1002, Three Mile Island Independent Spent Fuel Storage Installation [ISFSI] Only Emergency Plan [IOEP]

[Ref. 1.3.31]) is maintained for TMI that assures the safety of the public and site personnel from radiological incidents that may occur during TMI-2 Phase 1 activities. The Three Mile Island Nuclear Station (TMINS) IOEP encompasses incidents at TMI-1 and TMI-2, ensuring a coordinated response to any incident onsite. The IOEP implements the planning standards contained in 10 CFR 50.47(b) (Ref. 1.3.3), as amended by the NRC and includes the plan contents required by 10 CFR 50, Domestic Licensing of Production and Utilization Facilities, Appendix E (Ref. 1.3.3).

The IOEP is based upon accident analyses that conclude that the consequences of any radiological incidents that may occur at the station are limited to significantly less than the guidelines found in EPA-400/R-17/001, PAG Manual: Protective Action Guides and Planning Guidance for Radiological Incidents (Ref. 1.3.23). The IOEP describes all commitments and resources needed to assess, classify, and respond to any incident at TMI, including those required for notification of local and state governments, mobilization of the site emergency response organization and corporate resources, and assessment and analysis of radiological conditions and mitigation of any adverse conditions. The IOEP also contains description of the administrative programs in place to maintain readiness to implement the plan, including the identification and training of required resources and the maintenance of the plans, procedures, facilities, equipment, and supplies needed for response.

TMI-2 Defueled Safety Analysis Report Chapter 10:

Revision 0 Administrative Functions 10-4 10.5 RADIATION PROTECTION PROGRAM TMI-2 maintains a Radiation Protection Program (RPP) (see TMI2-RP1-PG-001, Radiological Protection Program [Ref. 1.3.46]) as described in Section 5.4.2 of the DSAR.

10.6 ORGANIZATION As specified in TMI2-QA-PN-001, TMI-2 QA Program Implementation, Section 4.1.2 (Ref. 1.3.42):

An official project Organization Chart signed by the Project Director is maintained to define lines of authority for the highest management levels as described in the PDMS QAP (Ref. 1.3.41) through intermediate levels to and including all organizational positions responsible for decommissioning activities.

As a minimum, this Organization Chart shall be updated at times when there are changes made that affect positions responsible for implementation of the PDMS QAP (Ref. 1.3.41).

The latest approved revision to the Organization Chart shall be accessible to the project organization.

The official project Organization Chart is contained in TMI2-PM-PN-001, TMI-2 Project Management Plan (Ref. 1.3.39), and describes the basic functions to be performed by the organization. It is the responsibility of the Project Director to ensure that functions described in this procedure are assigned to the appropriate organizational element of the Organization Chart.

47 Pages Follow Decommissioning Quality Assurance Plan, Revision 20

















Title

SignatureandDate

AuthoredBy:

TMI-2SolutionsQualityAssurance

Manager



ReviewedBy:

TMI-2SolutionsLicensingManager



ApprovedBy:

TMI-2SolutionsProjectDirector



ApprovedBy:

EnergySolutionsGroupDirectorQA,

D&D



ApprovedBy:

TMI-2SolutionsCognizantOfficer



ApprovedBy:

TechnicalReviewer/PORC







EffectiveDate:AtstartofDECON

ThreeMileIslandUnit2

Decommissioning

QualityAssurancePlan(DQAP)

TMI2-QA-PG-001,Revision20

DigitallysignedbyMichaelJanus DN:OU=QualityAssurance,O=QualityAssurance,

CN=MichaelJanus,E=mtjanus@energysolutions.com Reason:Iamtheauthorofthisdocument Location:yoursigninglocationhere Date:2023-04-1815:39:19 FoxitPhantomPDFVersion:9.7.0 MichaelJanus DigitallysignedbyTimothyDevik DN:C=US,OU=LicensingManager,O=TMI-2Solutions,

CN=TimothyDevik,E=trdevik@energysolutions.com Reason:Reviewed Location:

Date:2023-04-1815:55:30 FoxitPhantomPDFVersion:9.4.1 TimothyDevik David Del Vecchio Digitally signed by David Del Vecchio Date: 2023.04.18 16:32:49 -04'00' David Del Vecchio Digitally signed by David Del Vecchio Date: 2023.04.18 16:33:19 -04'00' Anthony R. Bejma Digitally signed by Anthony R.

Bejma Date: 2023.04.18 16:58:54 -04'00' Frank Eppler Digitally signed by Frank Eppler Date: 2023.04.18 17:02:48 -04'00' 5/2/2023



ThreeMileIslandUnit2DQAP

Number:TMI2-QA-PG-001

Revision:20

Page:2of47









RecordofChanges

Revision19:InitialrevisionofPDMSQAPforTMI-2SolutionsfollowingLicenseTransferfromthe

FirstEnergyCompanies(GPUNuclear,Inc.,MetropolitanEdisonCompany,JerseyCentralPower&Light

Company,andPennsylvaniaElectricCompany).Changesweregenerallylimitedtothosenecessarytodepict

TMI-2Solutionsasthelicenseeandtheassociatedorganizationaltitles.Section2.0,QualityPolicy,was

revisedtoincludetheapproachtorevisingthisplanasstatedintheLicenseTransferApplication.Section3.0,

Scope,wasrevisedtorecognizethecontinuitywithExelonbyassumingthepreviousservicesagreement.

Section5.1wasrevisedtodeletereferencetothePDMSSARforadescriptionoftheorganizationtoalignwith

aparallelchangetothePDMSSAR.Section5.7,ControlofPurchasedMaterial,Equipment,andServices,was

revisedtoaddEnergySolutionsasanadditiontootherclients.Sections6.0and7.0wererevisedtorecognize

thatTMI-2Solutionsmayprepare,review,andapprovedocumentsrequiredbytheactivitiesdescribedin

Section6.0andperformIndependentSafetyReviewsrequiredinSection7.0inadditiontotheTMI-1License

holder.Allotherchangeswereadministrativeinnatureandhadnoimpactontechnicalcontent(e.g.,deletion

ofhistoricalRecordofChangesandListofEffectivePages,spelling,punctuation,format,andconsistencyin

howthisplanisreferenced).

Revision20:RevisionpreparedprimarilytocoincidewiththetransitionfromPDMStoDECON;incorporate

requirementspreviouslycontainedintheTechnicalSpecificationsasspecifiedinLicenseAmendmentRequest

-ThreeMileIsland,Unit2,TechnicalSpecifications(LicenseAmendment67);removedetailsrelativeto

ExelonscontractscopetomaintainUnit2inPDMS/SAFSTOR;andincorporateadditionalrequirementsin

AppendixArelativetoimplementationof10CFR71,SubpartH.Detailsoftherevisioninclude:Tableof

Contents-Reconciledtoalignwithcontent(Sectional/Appendixtitlesandpagereferences);General-

ReplacedPDMS/SAFSTORandPDMSwithdecommissioningasapplicable,minornon-intentadministrative

enhancements;Section1.0-DeletedbasesfortherenotbeinganySSCsthatperformasafetyrelatedfunction

toeliminateduplicationaddressedinotherlicensebasesdocumentsandcorrespondingchanges,andrevised

applicabilityoftheplanfromasnecessarytoassurethecontinuedsafeandstablePDMS/SAFSTOR

conditions,assurecompliancewithapplicableregulatoryrequirementstoasnecessarytoassure

decommissioningactivitiessubjecttothisplanareincompliancewithapplicableregulatoryrequirements;

Section2.0-Replacedorganizationalresponsibilityforissuanceandapprovalofthisplantoalignwithcurrent

theEnergySolutionsorganizationandresponsibilitiesoftheCognizantOfficerasdescribedwithinthisplan;

Section3.0-ReplacedhistoricalinformationrelativetoExelonscontractscopetomaintainUnit2in

PDMS/SAFSTORwithrecognitionthatTMI-2Solutionsmayelecttosubcontractdecommissioningactivities

subjecttothisplan,addedsummaryofrequirementsrelocatedfromtheTechnicalSpecifications,added

definitionsforSUBSTANTIVECHANGES,SITEBOUNDARYandNPDESPERMITthatwererelocated

fromtheTechnicalSpecifications,replacedTechnicalSpecificationreferenceswiththeDSARinassociation

withtheSSCsthatareWithinQAPlanScope,revisedthedescriptionforLiftingandHandlingactivitiesto

alignwithLicenseAmendment,enhanceddescriptionof10CFR71activitiesWithinQAPlanScope,

deletedhistoricalrationaleforseparatingthe10CFR71requirementsintoAppendixA,addedNUREG/CR-6407tothedialogue,revisedtherevisionlevelofRG7.10thatcoincideswiththerulechange,anddeletedthe

quotefromRG7.10,andaddedreferencetoSection5.16forcontrolsofConditionsAdversetoQuality;

Section4.0-AddedfacilitystaffqualificationrequirementsthatwererelocatedfromtheTechnical

Specifications;Section5.0:Subsection5.1-Deletedreferencetotherequirementsspecifiedinthe

administrativesectionoftheTechnicalSpecifications,expandedtoincludepurposeofprovidingauthorityand

organizationalfreedomfortheQAfunction,replacedhistoricalinformationrelativetoExelonscontractscope

tomaintainUnit2inPDMS/SAFSTORin5.1.2withrecognitionthatTMI-2mayelecttosubcontract

decommissioningservices,changedtheQAMdescriptionandreportingrelationshiptotheCognizantOfficer

anddescribedthedirectreportingofanonsiteprojectQAorganizationresponsibleforthedaytodayoversight

ofplanimplementationin5.1.3,editedtheEngerySolutions,RegulatoryAffairstitlein5.1.4deletedinthe

futureandaddedformerTechnicalSpecificationreferencein5.1.5,establishedreportingrelationshiptothe

CognizantOfficerandmodifiedresponsibilitiestoincorporaterequirementsrelocatedfromtheTechnical



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RecordofChanges

Specificationsin5.1.6,deletedPDMSManagerpositionandresponsibilitiesin5.1.7,andaddedrequirement

forRadioactiveWasteManagementactivitiesthatwasrelocatedfromtheTechnicalSpecifications;Subsection

5.2-Revisedofcriticalactivitiestobemorerelevanttodecommissioningactivities;Subsection5.3-Replaced

projectpersonnelwithon-siteworkersforconsistency,deletedinformationrelativetoExelonscontractscope

andprocesses,anddeletedreferencetotheTechnicalSpecificationsinthedescriptionofSSCsrequiredto

maintaintheplantinasafeandstablecondition;Subsection5.4-DeletedreferencetothecurrentPDMS

ServicesContractor,andreplacedreleasewithexecutioninreferencetotheprocurementprocess;Subsection

5.5-SeparatedexamplesofactivitiesperformedduringdecommissioningtoassureconformancetotheDSAR

thatwerespecifiedintheTechnicalSpecificationsas5.5.1/5.5.1.afromtheexamplesofadditionalprocedures

requiredfordecommissioning,andinsertedrequirementsfortheODCM,RadioactiveEffluentControls

Program,RadioactiveMonitoringProgramandRadiationProtectionProgramthatwererelocatedfromthe

TechnicalSpecificationsas5.5.2.athroughd;Subsection5.6-Reformattedexistingcontent,andadded

requirementsrelatedtoprocedurereviews,substantivechangestotheODCMandtemporarychangesto

proceduresthatwererelocatedfromtheTechnicalSpecificationsas5.6.2.a,band5.6.3.athroughc;Subsection

5.10-Enhancedsentenceregardinginspectionholdpointsbyinsertingaretobeestablished;Subsection5.11-

DeletedreferencetoTechnicalSpecificationsinreferencetoperformancecriteria;Subsection5.17-

Reformattedexistingcontent,andaddedrequirementsrelatedtospecificrecordsretentionperiodsthatwere

relocatedfromtheTechnicalSpecificationsas5.17.5.aandb;Subsection5.18-Replacedauditrequirement

forperformanceofQAAssessmentactivitiesprovidedbytheDecommissioningServicescontractor,and

replacedPDMSManagerwithTMI-2SolutionsProjectDirector;Section6.0-DeletedreferencetotheTMI1

LicenseholderandTMIReviewandApprovalMatrix,replacedreferencestoSection6.7oftheTechnical

SpecificationswithDQAPreferencesin6.1basedontherelocationoftherequirementsfromtheTechnical

Specifications,andreplacedrequirementtomaintainthePDMSconditioninthePDMSSARin6.4with

requirementtoassureconformancetothedescriptionsintheDecommissioningSAR,;Section7.0-Deleted

referencetotheTMI1LicenseholderandTMIReviewandApprovalMatrix,anddeleted7.6relatedto

independentreviewsperformedforExelongenerateddocuments;AppendixA:RetitledSectionA1.0to

GeneraltodistinguishcontentfromSectionA4.0;refinedandaddedspecificrequirementsthroughout

Appendixinresponseto10CFR71,SubpartHQualityAssurancerequirements;distinguishedapplicabilityof

therequirementsforeachoftheSectionsastheyrelatetoImportanttoSafetyactivitiesperformedbyTMI-2

Solutions,itscontractorsandsubcontractors,orthecertificateholders,withconditionalrequirementsforuse,as

applicable,throughoutAppendix;SectionA1.0-DeletedreferencetotransportperformedbyExelonunderthe

ServicesAgreementandhistoricalinformationregardingreactorfuel;SectionA3.0-Deletedtrainingand

indoctrinationrequirementandrelocatedittoSectionA4.3;SectionA4.0-DeletedreferencetoSection1.0

statementinA4.1specifictotherebeingnoSSCsperformingasafetyrelatedfunction,andrevisedtherevision

levelofRG7.10thatcoincideswiththerulechange;SectionsA18.0andA19.0-Addedevaluationand

reportingrequirementsinreferenceto10CFR21and10CFR71.95;AppendixB-Establishedappendixto

incorporatereportingrequirementsrelocatedfromtheTechnicalSpecifications



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TABLEOFCONTENTS

Section

Title

Page

1.0

IntroductionandBackground

6

2.0

QualityPolicy

6

3.0

Scope

7

4.0

Training

10

5.0

QualityAssuranceCriteria

11



5.1

CriterionI,Organization

11



5.2

CriterionII,QualityAssuranceProgramDescription

13



5.3

CriterionIII,DesignControl

14



5.4

CriterionIV,ProcurementDocumentControl

15



5.5

CriterionV,Instructions,Procedures,Drawings

16



5.6

CriterionVI,DocumentControl

19



5.7

CriterionVII,ControlofPurchasedMaterial,Equipment,andServices

21



5.8

CriterionVIII,IdentificationandControlofMaterials,Parts,andComponents

21



5.9

CriterionIX,ControlofSpecialProcesses

21



5.10

CriterionX,Inspection

22



5.11

CriterionXI,TestControl

22



5.12

CriterionXII,ControlofMeasuringandTestEquipment

22



5.13

CriterionXIII,Handling,Storage,andShipping

23



5.14

CriterionXIV,InspectionTest,andOperatingStatus

23



5.15

CriterionXV,NonconformingMaterials,Parts,orComponents

23



5.16

CriterionXVI,CorrectiveAction

24



5.17

CriterionXVII,QualityAssuranceRecords

24



5.18

CriterionXVIII,Audits

26

6.0

IndependentTechnicalReview

27

7.0

IndependentSafetyReview

28









AppendixA

10CFR71SubpartHQualityAssurancePlan

30

A1.0

General

30

A2.0

Responsibilities

30

A3.0

Organization(10CFR71.103)

30

A4.0

QualityAssuranceProgram(10CFR71.105)

31

A5.0

ChangestoQualityAssuranceProgram(10CFR71.106)

31



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TABLEOFCONTENTS

A6.0

DesignControl(10CFR71.107)

32

A7.0

ProcurementDocumentControl(10CFR71.109)

32

A8.0

Instructions,Procedures,andDrawings(10CFR71.111)

33

A9.0

DocumentControl(10CFR71.113)

34

A10.0

ControlOfPurchasedMaterial,Equipment,andServices(10CFR71.115)

34

A11.0

IdentificationandControlofMaterials,Parts,andComponents(10CFR

71.117)

35

A12.0

ControlofSpecialProcesses(10CFR71.119)

36

A13.0

Inspection(10CFR71.121)

36

A14.0

TestControl(10CFR71.123)

38

A15.0

ControlofMeasuringandTestEquipment(10CFR71.125)

39

A16.0

Handling,Storage,andShippingControl(10CFR71.127)

40

A17.0

Inspection,TestandOperatingStatus(10CFR71.129)

41

A18.0

ControlofNonconformingMaterials,PartsorComponents(10CFR71.131)

41

A19.0

CorrectiveAction(10CFR71.133)

42

A20.0

QualityAssuranceRecords(10CFR71.135)

42

A21.0

Audits(10CFR71.137)

44







AppendixB

ReportingRequirements

45

B.1

RoutineReports

45

B.2

SpecialReports

45

B.3

NonroutineReports

46

B.4

ExceptionalOccurrences

47





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1.0

INTRODUCTIONANDBACKGROUND



UponcompletionoftheThreeMileIslandUnit2CleanupProgram,thefacilitywasplacedina

safestableconditionposingnosignificantrisktothehealthandsafetyofthepublic.This

conditionwascalledPostDefuelingMonitoredStorageorPDMS.Itiscomparabletothe

conditiondescribedbytheNuclearRegulatoryCommissionas"SAFSTOR".Allreactorand

powergeneratingsystemsweredeactivatedandthereactorvesselwasdefueledtotheextent

practicable.Thereisnofuelinthespentfuelpools,thepoolsaredrained,thereisnofuelstored

onsiteindrystorage,andthereisnoneedorrequirementforNRCLicensedOperatorsorNRC

LicensedFuelHandlersatThreeMileIslandUnit2.TherearenoSSCsthatperformasafety

relatedfunction,asdefinedin10CFR50.2,wheretheSSCmustperformanactivefunctionto

preventormitigatetheconsequencesofpostulatedaccidentsthatcouldcauseunduerisktothe

healthandsafetyofthepublic.



Thefacilityremainslicensedunder10CFR50,however,thelicenseis"topossessbutnotto

operate"thefacility.Therefore,theregulationsandqualitycriteriathataredesignedtoprotect

thepublicagainstreactoroperationrelateddesignbasiseventsarenolongerapplicableatthis

permanentlyshutdownanddefueledfacility.ThelicensingandregulatorybasisoftheThree

MileIslandUnit2facilityatthistimeismorerepresentativeofamaterialslicenseestoringand

processingradioactivewastethanacommercialnuclearpowerreactorauthorizedtooperate.



ThisplanhasbeendevelopedtoprovideThreeMileIslandUnit2withalimitedscopeQuality

Assurance(QA)Programusingthecriteriaof10CFR50AppendixBasguidelinesandis

structuredtocorrespondtothe18criteriaformatof10CFR50,AppendixB.Itisappliedas

necessarytoassuredecommissioningactivitiessubjecttothisplanareincompliancewith

applicableregulatoryrequirements;assurecompliancewiththeconditionsoftheNRCLicense;

andassureconformancetothedescriptionsintheDefueledSafetyAnalysisReport.



2.0

QUALITYPOLICY



TMI-2Solutionspolicyistoconductdecommissioningactivitiesinamannerthatensures

protectionofthehealthandsafetyofthepublicandthepersonnelonsite.TMI-2Solutionswill

adheretotheapplicableQualityAssurancerequirementsof10CFR50AppendixB,to

appropriateRegulatoryGuides,andtoappropriateindustrialcodesandstandards,thatare

applicabletotheshutdown,defueled,anddepressurizedstatusoftheplantsystemsand

components.



Thisplanhasbeendevelopedtoprovidedirectiononthoseaspectsof10CFR50AppendixB

thatwillbeappliedtodecommissioningactivitiesandisissuedundertheauthorityofthe

EnergySolutionsChiefNuclearOfficerandGroupDirectorQA,D&D.Revisionstothisplan

willbeimplementedinaccordancewith10CFR50.54(a)asstatedintheLicenseTransfer

ApplicationinreferencetopreviouscommitmentsestablishedbyGPUNuclearandacceptedby

theNRC.Revisionswillbewrittenasneeded,subjectedtoindependentTechnicalReview,and

shallbeapprovedbytheEnergySolutionsGroupDirectorQA,D&D,andtheTMI-2Solutions

CognizantOfficer.RevisionstothisplanwillbesubmittedtotheNRCforapprovalin

accordancewith10CFR50.54(a)(4)priortotheimplementationofthechangesiftheyinvolvea

reductionincommitmentspreviouslyacceptedbytheNRC.Changeswillbesubmittedtothe



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NRCinaccordancewith10CFR50.54(a)(3)afterimplementationifthechangesdonotinvolve

areductionincommitment.CopieswillbesenttotheNRCRegion1TMI-2Inspectorandthe

TMI-2ProjectManageratNRCHeadquarters.Revisionsrequiringapprovalshallberegardedas

approvedbytheNRCuponreceiptofanNRCcorrespondencetothiseffectfromtheappropriate

reviewingoffice,or60daysaftersubmittaltotheNRC,whichevercomesfirst.



Implementationofthisplaninvolvestheparticipationofallpersonnelperforming

decommissioningactivitiesandisimplementedprimarilythroughapolicyofadherenceto

writteninstructions,procedures,anddrawings.Involvementbyallpersonnelinaprogramof

reportingqualityissuesandsafetyconcernstothesupervisoryandmanagementstaffassures

continuousreviewandassessmentofactivities,theencouragementofaquestioningattitude,and

thefosteringofaSafetyConscienceWorkEnvironment.Theseaspectswillprovideassurance

thatqualitydeficienciesareidentifiedandcorrected.



Thisplanisimplementedinagradedandcustomizedapproachwhichisbasedontheimportance

tosafetyandsafetysignificanceofSSCsandactivities,andonanevaluationofregulations,

risks,complexity,andhistoryofpreviousimplementation.Theapplicationofagradedapproach

onlyallowsgradingofrigorinimplementingtheserequirementsanddoesnotrelieveTMI-2

Solutionsofitsresponsibilitytomaintaincompliancewithassociatedregulatorycodesand

standards.



3.0

SCOPE



TMI-2Solutionsmayelecttosubcontractdecommissioningactivitiessubjecttothisplan.Even

thoughactivitiesmaybeperformedbyothersundercontractualagreements,thefinaldecision

makingauthorityregardingdirectionandcontrolofTMI-2decommissioningactivitiesand

responsibilityfortheeffectiveimplementationoftheThreeMileIslandUnit2DQAPremains

withtheTMI-2SolutionsCognizantOfficer.



QualityAssurancerequirementsassociatedwithreviewandauditfunctions,thequalificationof

staffperformingthosefunctions,andtherecordsassociatedwiththosefunctions,originally

containedinSection6.5oftheTechnicalSpecificationsoftheNRCLicenseNumberDPR-73,

weretransferredverbatimtoRevision12ofthePDMSQualityAssurancePlan,asstatedin

LicenseAmendment63.Additionalrequirements,previouslycontainedinSection1.0,

Definitions,andSection6.0,AdministrativeControlsoftheTechnicalSpecificationsoftheNRC

LicenseNumberDPR-73weretransferredtoRevision20ofthisplaninaccordancewithLicense

Amendment67.Theserequirementsweretransferredtoanappropriatesectionofthemainbody

andAppendixBofthisplan,withcitationsaddedtorefertotheoriginalsectionoftheTechnical

Specifications.



















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ThefollowingstandalonedefinitionswereincorporatedhereaspartofthetransferofSection

1.0,DefinitionsfromtheTechnicalSpecifications.AnadditionaldefinitionfortheOff-SiteDose

CalculationManual(ODCM)wasincorporatedintosection5.5.2asappropriate.:



SUBSTANTIVECHANGES(FormerlyTechnicalSpecification1.15)-SubstantiveChangesare

thosewhichaffecttheactivitiesassociatedwithadocumentorthedocumentsmeaningorintent.

Examplesofnon-substantivechangesare:(1)correctingspelling;(2)adding(butnotdeleting)

sign-offspaces;(3)blockinginnotes,cautions,etc.;(4)changesincorporateandpersonneltitles

whichdonotreassignresponsibilitiesandwhicharenotreferencedintheTechnical

Specifications;and(5)changesinnomenclatureoreditorialchangeswhichclearlydonotchange

function,meaningorintent.



SITEBOUNDARY(FormerlyTechnicalSpecification1.18)-TheSITEBOUNDARYshallbe

thatlinebeyondwhichthelandisneitherowned,norleased,norotherwisecontrolledbyTMI-2

Solutions,LLC.TheSITEBOUNDARYforgaseousandliquideffluentsshallbeasshownin

theOffsiteDoseCalculationManual(ODCM).



NPDESPERMIT(FormerlyTechnicalSpecification1.19)-TheNPDESPERMITisthe

NationalPollutantDischargeEliminationSystem(NPDES)PermitNo.PA0009920,effective

June1,2010,issuedbythePennsylvaniaDepartmentofEnvironmentalProtectionandassigned

toConstellationEnergyGeneration,LLC.ThispermitauthorizesdischargetotheSusquehanna

Riverwitheffluentlimitations,monitoringrequirementsandotherconditionswithinthepermit.



AppendixBto10CFR50statesinpart,"Nuclearpowerplantsincludestructures,systems,

andcomponentsthatpreventormitigatetheconsequencesofpostulatedaccidentsthatcould

causeunduerisktothehealthandsafetyofthepublic.Thisappendixestablishesquality

assurancerequirementsforthedesign,manufacture,construction,andoperationofthose

structures,systems,andcomponents.Thepertinentrequirementsofthisappendixapplytoall

activitiesaffectingthesafety-relatedfunctions(emphasisadded)ofthosestructures,systems,

andcomponents."



Aspreviouslystated,therearenoSSCsthatperform"safety-related"functions.Therefore,this

planisoflimitedscopeandthecriteriadiscussedbelowwillbeappliedtoitemsandactivities

determinedtobe"WithinQAPlanScope"consideringanactivity'soritem'spotentialimpacton

safety.



Impactonsafety(or"ImportancetoSafety")inthiscontextisaconsiderationofthepotentialfor

radiationexposuretoorintakeofradioactivematerialbyamemberoftheoff-sitepublicoron-siteworker,orareleaseofradioactivematerialtotheenvironmentinanunplannedor

unmonitoredmanner.



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Activitiesanditemsthataredesignated"WithinQAPlanScope",or"in-scope",includethe

following:



  •  SSCsrequiredforthecontrolormonitoringofradioactivereleasestotheenvironment,as

describedintheDefueledSafetyAnalysisReport,andactivitiesandequipmentthatinvolve

theiroperation,testing,maintenance,surveillance,modification,andanalysisareWithinQA

PlanScope.ThedegreetowhichtheQualitycriteriaareappliedisbasedonthepotentialfor

failuresordeficienciesinvolvingsuchactivities,systemsorcomponentstocontributetoa

violationofTechnicalSpecifications,oranunplannedorunmonitoredreleaseofradioactive

materialtotheenvironmentandunplannedradiationexposuretoaworkeroramemberof

thepublic.

  •  Radiologicalprotectionandradiologicalmonitoringactivitiesincludingactivitiesrelatedto

occupationaldosecontrol;offsiteexposurecontrol,analysis,andevaluation;environmental

radiologicalmeasurementandanalysis;controlofinstrumentationusedintheseactivities;

anddocumentationandreportingofrequiredradiologicalandenvironmentaldataareWithin

QAPlanScope.Thedegreetowhichthecriteriaareappliedtoequipmentusedinthese

activitiesisbasedonagradedapproachconsideringtheuniquenessandcomplexityofthe

equipment,theimpactonsafetyoffailures,andtheimportanceoftheenduseofthedata

collected.

  •  Chemistryandradiochemistryanalysesneededforcontrolofradioactiveeffluentstothe

environment,evaluationofwasteforms,andcontrolofpersonnelexposuretopotential

radiologicalhazardsisWithinQAPlanScope.Equipmentusedintheseanalysesthatcould

affecttheoutcomeofanalysesareWithinQAPlanScopewheretestingorcalibrationofthe

equipmentisrequiredorwheretheequipmentneedscertificationofaccuracybeyondthat

specifiedinthemanufacturerscataloguesorstandardliterature.

  •  ManagementofradioactivewasteisWithinQAPlanScopewheresuchmanagement

activitiesinvolvedeterminationofcharacteristicsandclassificationofwastefortransportor

disposal,controlstopreventunplannedorunauthorizeddispersal,orcontrolsintendedto

assureproperpackagingfortransportordisposal.

  •  LiftingandHandlingactivitiesforallliftswherealoaddroporloadimpingementcould

contributetoreleaseordispersalofradioactivematerialtotheenvironmentwhichcould

exceedthethresholdforanUnusualEventareWithinQAPlanScope..

  •  Assuranceactivitiesincludingaudit,inspection,non-destructiveexamination,monitoring,

andsurveillanceoftheareaslistedabove,areWithintheQAPlanScope.

  •  Preparation,independentreview,approval,anddistributionofinstructions,procedures,and

drawingsrelatedto"in-scope"activitiesareactivitiesthatareWithinQAPlanScope.

  •  Training,EmergencyPlanning,Security,andFireProtectionactivitiesastheyrelateto

preventingorminimizinguncontrolledreleaseofradioactivematerialtotheenvironmentor

unplannedradiationexposuretoworkersormembersofthepublicareactivitiesWithinQA

PlanScope.

  •  Packaging,preparationforshipmentandtransportationoflicensedmaterialinexcessofa

TypeAquantityareactivitiesWithinQAPlanScope.However,thespecificquality

assurancecriteriaof10CFR71,SubpartHthatareappliedtotheseactivitiesarespecifiedin

AppendixAofthisplan.







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Theconceptofwhatis"ImportanttoSafety"in10CFR71differsfromtheconceptin10CFR

50AppendixB.Whenapplyingthecriteriaof10CFR50AppendixBatThreeMileIslandUnit

2,theuniqueshutdownanddefueledstatusofthefacilityisconsidered.Theseconsiderations

havelittleapplicabilitytotheactivitiesgovernedby10CFR71.Thecriteria,asspecifiedin

AppendixAofthisplan,considerstheguidanceinNUREG/CR-6407,Classificationof

TransportationPackagingandDrySpentFuelStorageSystemComponentsAccordingto

ImportancetoSafetyandNRCRegulatoryGuide7.10,"EstablishingQualityAssurance

ProgramsforPackagingusedinTransportofRadioactiveMaterial",Revision3forapplyinga

gradedapproachbasedontheSSCsimportancetosafety.



Theitemsdiscussedaboveareconsidered"ActivitiesAffectingQuality"inthecontextofthis

plan.Errors,omissions,deviations,andnon-conformancesofmaterialsanddocuments

associatedwiththeseactivitiesthatcouldhaveanimpactonradiologicalexposuresorreleases

areconsidered"ConditionsAdversetoQuality"inthecontextofthisplanandshallbecontrolled

inaccordancewithSection5.16ofthisplan.



Achievementofqualityistheresponsibilityofeveryoneinvolvedintheperformanceof,

directionof,supervisionof,andassessmentandoversightofdecommissioningactivities.This

involvesamulti-levelapproachthatincludesindependentreviewatthedocumentpreparation

stage,self-checkingandindependentverificationattheperformancestage,andreviewandaudit

ofin-scopeactivities.



4.0

TRAINING



Personnelperformingorverifyingactivitiesaffectingqualityshallreceiveindoctrinationand

trainingasnecessarytoassuresuitableproficiency.Trainingprogramsshallbeestablishedfor

thosepersonnelsuchthattheyareknowledgeableinthequalityassuranceprogramandproficient

inimplementingtheserequirements.Trainingmaybeconductedbyon-sitestafforthird-party

organizationsasappropriate.Thesetrainingprogramsshallassurethefollowing:



  •  Personnelresponsibleforperformingactivitiesaffectingqualityunderstandthepurpose,

scope,andimplementationofapplicableprocedures,

  •  Personnelperformingactivitiesaffectingqualityaretrainedandqualified,asappropriate,in

theprinciplesandtechniquesoftheactivitybeingconducted,and,

  •  Thetrainingisdocumentedandthedocumentationdescribesthecontentandmethodofthe

training,attendance,dateofattendance,andresultsofthetrainingsession.



Theprogramtakesintoaccounttheneedforspecialcontrols,processes,testequipment,tools,

andskillstoattaintherequiredquality,andtheneedforverificationofsatisfactory

implementation.



FacilityStaffQualifications



EachmemberofthefacilitystaffshallmeetorexceedtheminimumqualificationsofANSI

N18.1-1971forcomparablepositionsunlessotherwisenoted.TherequirementsofANSIN18.1-1971thatpertaintooperatorlicensequalificationsforfacilitystaffshallnotapply.(Formerly

TechnicalSpecification6.3and6.3.1)



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Themanagementpositionresponsibleforradiologicalcontrolorhisdeputyshallmeetorexceed

thequalificationsofRegulatoryGuide1.8of1977.EachRadiologicalControlsTechnicianina

responsiblepositionshallmeetorexceedthequalificationsofANSIN18.1-1971,paragraph

4.3.2or4.5.2,orbeformallyqualifiedthroughanNRC-approvedTMIRadiationControls

trainingprogram.AllRadiologicalControlsTechnicianswillbequalifiedthroughtrainingand

examinationineachareaorspecifictaskrelatedtotheirradiologicalcontrolfunctionspriorto

theirperformanceofthosetasks.(FormerlyTechnicalSpecification6.3.2)



5.0

QUALITYASSURANCECRITERIA



5.1

CriterionI,Organization



TMI-2Solutionsshallestablishanorganizationforthemanagement,conduct,andoversightof

decommissioningactivitieswithinthescopeofthisplan.Theorganizationshallconformtothe

descriptionsprovidedbelow.



TMI-2Solutionsshallexerciseoverallresponsibilityforactivitiesaffectingqualitybutmay

delegatetoothers,suchasthird-partycontractors,agents,orconsultants,theworkofestablishing

andexecutingthequalityassuranceprogram,oranypartofit,providedTMI-2Solutionsretains

responsibilityforallsuchactivities.ThepersonsandorganizationsperformingQAfunctions

shallreporttoamanagementlevelthatassuresthattherequiredauthorityandorganizational

freedomareprovidedtoidentifyqualityproblems;toinitiate,recommend,orprovidesolutions;

andtoverifyimplementationofsolutions;andshallincludesufficientindependencefromcost

andschedulewhenopposedtosafety.Theindividualsassignedtheresponsibilityforassuring

effectiveexecutionofanyportionofthisplanshallhavedirectaccesstothelevelsof

managementnecessarytoperformQAfunctions.



Theprincipleorganizationalpositionsareasfollows:



5.1.1 TMI-2SolutionsPresident/TMI-2SolutionsChiefNuclearOfficer:TheTMI-2Solutions

ChiefNuclearOfficerislocatedoff-siteandisresponsibletoprovidecorporatedirection

onactivitiesassociatedwiththesafeandefficientmanagementandoversightofThree

MileIslandUnit2.Theindividualperformingthisfunctionfulfillsthecombinedrolesof

TMI-2SolutionsChiefNuclearOfficerandTMI-2SolutionsPresident,andisresponsible

totheEnergySolutions,LLCPresidentandChiefExecutiveOfficer.



5.1.2 TMI-2SolutionsCognizantOfficer:TMI-2SolutionsCognizantOfficerislocatedoff-siteandisresponsiblefortheoverallimplementation,andeffectivenessoftheTMI-2

DecommissioningQAPlan.TheTMI-2SolutionsCognizantOfficerisresponsibletothe

TMI-2SolutionsPresident/TMI-2SolutionsChiefNuclearOfficer.Thisindividualis

responsiblefortheoveralldirectionofdecommissioningactivitiesincludingOperations

andMaintenance,EngineeringandEngineeringSupport,RadiologicalandEnvironmental

Controls,WasteManagementandregulatorycompliancefunctionsincluding

implementationofthisplan.TheTMI-2SolutionsCognizantOfficershallhavea

minimumofabaccalaureatedegreeinatechnicaldisciplineandfiveyearsofexperience

inamanagerialposition.



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TMI-2Solutionsmayelecttosubcontractdecommissioningservices.Theseservicesare

requiredtomeettherequirementsoftheDefueledSafetyAnalysisReport,Technical

Specifications,andthisplan,asapplicable.Eventhoughtheservicesareprovidedby

TMI-2Solutionssubcontractors,thefinaldecision-makingauthorityregardingdirection

andcontrolofTMI-2decommissioningactivitiesremainswiththeTMI-2Solutions

CognizantOfficer.Also,responsibilityfortheimplementation,andeffectivenessofthe

TMI-2DecommissioningQAPlanremainswiththeTMI-2SolutionsCognizantOfficer.



5.1.3 TMI2SolutionsQualityAssurance(QA)Manager:TheTMI-2SolutionsQAManager

reportsdirectlytotheTMI-2SolutionsCognizantOfficerandissubjecttooversightby

thecorporateEnergySolutionsGroupDirectorQA,D&D.TheTMI-2SolutionsQA

ManagerisresponsiblefortheindependentoversightofTMI-2Decommissioning

QualityAssurancePlanimplementationbytheprojectorganizationreportingtotheTMI-2SolutionsCognizantOfficer.Thisresponsibilityincludestheperformanceofreviews

andauditstoverifythatthisplan,applicablepoliciesandprocedures,applicablelawsand

regulations,andapplicablecodesandstandardsareeffectivelyimplementedforactivities

withinthescopeofthisplan.TheTMI-2SolutionsQAManagerissupportedbya

permanentonsiteQAorganizationfordecommissionactivitieswhoareresponsiblefor

conductingtheday-to-dayindependentoversightoftheimplementationoftheTMI-2

SolutionsDecommissioningQAPlan,howevertheTMI-2SolutionsQAManagerretains

overallresponsibilityfortheindependentoversightofthisplansimplementation.The

TMI-2SolutionsQAManagershallbetheultimateauthorityforresolutionofquestions

regardingtheapplicabilityandscopeofthisplan.TheTMI-2SolutionsQAManageris

locatedoffsitebutsupportsonsiteactivitiesinaccordancewithprojectneeds.







5.1.4 TMI-2SolutionsEmployeeConcernsProgram(ECP)Manager:TheTMI-2Solutions

ECPManagerislocatedon-sitefordismantlementandreportstotheTMI-2Solutions

ProjectDirectorandissubjecttooversightbytheEnergySolutionsVPRegulatory

Affairs.TheTMI-2SolutionsECPManagershallassuretheimplementationofan

EmployeeConcernsProgram.TheTMI-2SolutionsECPManagerisaccessibleona

confidentialbasisandhasaccesstothehighestlevelofcorporatemanagementasneeded,

whomaybecontactedbyanycompanyorcontractedemployeewhohasasafetyconcern

thathe/sheconsiderstobenotadequatelyaddressed.TheTMI-2SolutionsECPManager

isempoweredtoinvestigatesuchmattersandidentifyneededcorrectiveactions.



5.1.5 DecommissioningNuclearSafetyReviewBoard(DNSRB):Thisboardisanindependent

panellocatedoff-sitethatservestoassurethattheThreeMileIslandUnit2SSCsare

maintainedsoastoprotectthehealthandsafetyoftheworkers,thepublicandthe

environment,andtoenableeffectiveandefficientdismantlementanddecommissioning.

ThisboardassistsandreportstotheTMI-2SolutionsCognizantOfficerincarryingout

theoversightfunctionsofthatofficeandservesanadvisoryroletotheTMI-2Solutions

CognizantOfficer.TheboardreviewsoveralloperatingtrendsatThreeMileIslandUnit

2,monitorsgeneralplantconditions,andperformsperiodictoursofthefacilityandmeets

withsitestafftoassesstheoverallsafetyconditionandperformanceofthefacility.



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TheDecommissioningNuclearSafetyReviewBoardshallcollectivelyhaveexperience

intheareasofQualityAssurance,RadiologicalSafety,EnvironmentalControls,

Decommissioning,CivilandStructuralEngineering,IndustrialSafety,andFacility

Management.(FormerlyTechnicalSpecification6.2.2)



5.1.6 TMI-2SolutionsProjectDirector:TheTMI-2SolutionsProjectDirectorreportstothe

CognizantOfficerandislocatedon-sitefordismantlement.TheTMI-2SolutionsProject

DirectorhasresponsibilityforthemanagementofoverallfacilityoperationsatThree

MileIslandUnit2.andshalldelegateinwritingthesuccessiontothisresponsibility

duringabsence.(FormerlyTechnicalSpecification6.1.1)Thisoverallresponsibilitymay

besharedbymorethanoneindividual.



TheTMI-2Solutionsfacilityorganizationshallensureanindividualqualifiedinradiation

protectionproceduresisonsitewheneverRadioactiveWasteManagementactivitiesarein

progress.(FormerlyTechnicalSpecification6.2.2)



5.2

CriterionII,QualityAssuranceProgram



Thisplanprovidesthebasedocumentfortheimplementationofaqualityprogramthatcomplies

withtheapplicablecriteriaof10CFR50AppendixB.Thisplanshallbeimplementedthrough

writtenpoliciesandprocedures.AppendixAofthisplanprovidesspecificQualityAssurance

CriteriatobeappliedtoNRCLicensedtransportationSSCsundertheauspicesof10CFR71,

andspecifieshowthecriteriaof10CFR71,SubpartHwillbeappliedatThreeMileIslandUnit

2duringdecommissioning.



QualityAssuranceistheprocessofperformingplannedandsystematicactionsthatwillprovide

ahighlevelofconfidencethatanSSC,orprogramwillperformitsintendedactionsorachieve

itsstatedgoalsinamannerconsistentwiththeintendedordesignsafetyfunction.Quality

Assuranceinvolvesindividualefforts,teamwork,interfaces,processes,andprogramsthatare

carriedoutinaccordancewiththe10CFR50,AppendixBprinciples.Staffandcontractors

performingActivitiesAffectingQualityarerequiredtoadheretothisplanandarerequiredto

reportanydeficienciesorconcernsregardingpotentialsafetyissuesthroughtheirsupervisory

andmanagementchains.QualityAssuranceincludesQualityControl,whichencompassesthe

measurableprocessesbywhichprograms,materials,andSSCsareverifiedtobeinconformance

tothepredeterminedrequirementsandspecifications.Inaddition,managementreviewand

oversightofactivitiesisamajoraspectofimplementingthisplan.



Assuringqualitybeginswithclearlydescribingtheactivityaffectingqualityinappropriatework

controldocumentscontainingunderstandableandconciseimplementingdirections,clearly

definedperformancecriteriaandacceptancecriteriawhereapplicable,andperformingthe

describedactivityinaccordancewiththeworkcontroldocuments.Whereappropriate,

completionoftheworkisdocumentedthroughsuchmeansasrecordeddataanddocumentary

evidence,checkofflists,andsignedoffproceduralsteps,followedbyreviewandverificationas

needed.Recordsofperformanceofcompletionarereviewedbyappropriatelevelsof

managementandmaintainedinaretrievableandauditablemanner.



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Personnelatalllevelsoftheorganizationperformqualityfunctionsthroughadherenceto

instructions,procedures,anddrawings,performanceofself-checking,lookingfordeficiencies

anderrors,andidentificationandreportingoferrors,omissions,anddeficiencies.The

managementandsupervisorystaffencourageandsupportworkersbelowthemtofostera

questioningattitude.



Qualityverificationincludesself-checkingwhilepreparingwrittendocumentsandduring

performanceofprescribedactivities,peerreview,andindependentverificationofperformance

ofcriticalactivities.Anotherlevelofqualityverificationincludesobservationofthe

performanceofactivitiesbyindependentmonitorswhomayperiodicallyassessperformanceand

independentlyverifydatacollected,calibrationofinstruments,andperformanceofprescribed

actionswhendeemednecessarytoassuresafety.Thehighesttierofverificationistheformal

auditofprogrammaticareas.Auditsareformalreviewsperformedinaccordancewithwritten

proceduresorchecklists,aredocumented,andarereportedtoseniormanagement.Auditsare

generallyperformedbystaffnotdirectlyresponsiblefortheareabeingauditedandaretherefore

independentreviewsoftheimplementationofprograms.



Writtenreportsofaudits,andreviewsbyindependentmonitorsarepreparedandsubmittedto

appropriatelevelsofmanagementforreview.



Thisapproachtoqualityverificationassuresthatdeficienciesareidentifiedandreportedassoon

aspossiblebythestaffperformingtheactivitiessothatasenseofpersonalresponsibilityand

ownershipofthetasksbeingperformedandtheerrorsthatwilloccurisestablished.This

contributestotheeffectiveimplementationofthedefenseindepthconceptwheremultiple

barriersexisttopreventasingleerrorordeficiencyresultinginasignificantqualitydefect.



5.3

CriterionIII,DesignControl



WhendecommissioningactivitiesrequiredesignormodificationofSSCswithinthescopeof

thisplan,controlsshallbeappliedcommensuratewiththepotentialimpactonsafetyofon-site

workersandthegeneralpublic.



Adesigncontrolprocessshallbeimplementedtoassurethatnewinstallationsandmodifications

toexistinginstallationswithinthescopeofthisplanconformtoapplicableregulatory

requirements,appropriatebuildingcodes,andthedesignbasesdescribedintheDefueledSafety

AnalysisReport.DesignactivitiesmaybeperformedbyanoutsidecontractorusingaTMI-2

SolutionsreviewedVendorQAPlan.Regardlessoftheprogramused,TMI-2Solutionsretains

finalapprovalauthorityfordesignactivitiesandmaintainsresponsibilityfortheadequacyof

thosedesignactivities.



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DesigncontrolmeasuresshallbeimplementedforSSCswithinthescopeofthisplanby

controlledwrittenprocedurescommensuratewiththepotentialimpactonsafetyaddressingthe

followingconsiderations:



  •  Describeshowdesigninputsarespecifiedandtranslatedintodesigndocuments,the

verificationofdesignbypersonsotherthantheoriginator,andtheassurancethatchangesto

thedesignareproperlyreviewedandcontrolled;

  •  Prescribesprovisionsforindependentdesignverificationusingmethodssuchasdesign

revieworalternatecalculations.Verificationandindependentreviews,includingrecordsof

theseactivitiesandqualificationsofreviewer,shallbeperformedinamannerthatmeetsthe

requirementsSection6.4ofthisplan;

  •  Prescribesanapprovalprocessfordesignsanddesignchangesandrequiresapprovaloffield

changesbythesamelevelofstaffapprovingtheoriginaldesign;

  •  Prescribeprovisionsfordesignandspecificationchanges,includingfieldchanges,and

assurancethatindependentdesignverificationmethodologyisappliedtochanges,andthat

changestodesignsorspecificationsreceiveataminimumthesamelevelofreviewasthe

originaldesign;

  •  Providesamechanismformaintainingrecordsofdesignactivitieswithsufficientdetailto

permitassessmentandauditingasrequiredbythisplan;and

  •  Providesmethodstoensurethatadequateprecautionsorevaluationsareinplacetopreclude

decommissioningactivities,includinginstallation,modification,orremovalofSSC's,from

damagingoradverselyimpactingtheabilityofitemsrequiredbytheTechnical

Specifications.tomaintaintheplantinasafeandstablecondition,orfromcreating

conditionsthatcouldprecludefutureunconditionalreleaseofthefacilityfromlicense

control.



Inaddition,anydesigncontrolprocessimplementedduringdecommissioningshallcontain

provisionstoassurethatthereviewsandevaluationsrequiredbytheregulationsin10CFR50.59

areperformedbyqualifiedindividualsanddocumentedinanauditableandretrievablemanner.

Thereshallbeprovisionstoassurethatresponsibleplantpersonnelaremadeawareofanydesign

changesormodificationsthatmayaffecttheperformanceoftheirduties.



5.4

CriterionIV,ProcurementDocumentControl



Procurementdocumentsformaterialsandservicesthatarewithinthescopeofthisplanshall

containsufficientinformationtoassurethatqualityrequirementsareclearlycommunicatedto

vendorsandthatsufficientverificationofqualityrequirementsisprovidedbythevendors.This

requirementisapplicabletoprocurementactivitiesperformedeitherbyTMI-2Solutionsorany

contractor/sub-contractorperformingdecommissioningactivities.



Procurementdocumentsformaterialsandservicesthathaveapotentialimpactonsafetyshall

containspecifictechnicalandqualityrequirements.Referencetomanufacturer'scatalogue

specificationsisadequatewheresuchspecificationsadequatelyaddressthecriticalattributes

necessarytosatisfytheintendedsafetyfunctionoftheprocureditemorservice.Critical

attributesarethoseimportantdesign,material,andperformancecharacteristicsofanitemthat

providereasonableassurancethatitwillperformitsintendedfunction.





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Procurementdocumentsformaterialsandservicesthathaveapotentialimpactonsafetyshall

identifythoserecordswhichsuppliersshallretain,maintain,andcontrolandthosewhichshallbe

deliveredpriortouseordeliveryofanitemorservice.



IfconsiderednecessarybyTMI-2SolutionsManagementduetotheuniquecharacteristicsor

safetysignificanceofanSSCorservice,procurementdocumentsshallspecifythatTMI-2

Solutionsoradesigneehastherighttoaccessthesupplierandlower-tiersupplierfacilitiesfor

inspection,audit,orreviewofrecords.



Procurementprocessesshallbespecifiedbywrittenprocedureswhichprovideforreviewby

appropriatemanagementpersonnelandrequirethatprocurementdocumentsformaterialsand

serviceswithinthescopeofthisplanbesubjecttoaqualityreviewtoensureapplicable

regulatoryrequirements,designbases,qualityassurance,andotherrequirementsareadequately

satisfiedpriortoexecution.



5.5

CriterionV,Instructions,Procedures,andDrawings



Activitieswithinthescopeofthisplanshallbeconductedinaccordancewithapprovedwritten

instruction,procedures,and/ordrawingsappropriatetothepotentialimpactonsafetyofthe

activity.Administrativeproceduresandinstructionsshallbeimplementedthatdescribethe

minimumrequirementsforthepreparation,review,approval,andcontrolofinstructions,

procedures,anddrawings.



Whereapplicable,instructions,proceduresanddrawingsshallcontainappropriatequalitativeand

quantitativeacceptancecriteriatoensureactivitiesaffectingqualityaresatisfactorilycompleted

andshallassurethatappropriaterecordsaremaintainedtodocumentthatimportantactivitiesare

satisfactorilycompleted.



Instructions,procedures,anddrawingsshallbesufficientlydetailedforaqualifiedindividualto

performtherequiredfunctionwithoutdirectsupervision.Thelevelofdetailintheinstructions,

procedures,anddrawingsshouldbecommensuratewiththecomplexityofthetaskandthelevel

ofqualificationsandtrainingoftheindividualsnormallyexpectedtoperformthefunction.



5.5.1 Writtenproceduresshallbeestablished,implemented,andmaintainedfortheactivitiesto

beperformedduringdecommissioning(Phase1bandPhase2).



a. ExamplesofactivitiestoassureconformancetothedescriptionsintheDefueled

SafetyAnalysisReport(FormerlyTechnicalSpecification6.7.1)are:



  •  ProceduresforimplementationoftheTechnicalSpecifications(Formerly

TechnicalSpecification6.7.1.a),

  •  ProceduresforRadioactiveWastemanagementandshipment(Formerly

TechnicalSpecification6.7.1.b),

  •  ProceduresforimplementationoftheRadiationProtectionPlan(Formerly

TechnicalSpecification6.7.1.c),

  •  ProceduresfortheimplementationoftheFireProtectionProgram(Formerly

TechnicalSpecification6.7.1.d),



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  •  ProceduresfortheimplementationoftheFloodProtectionProgram(Formerly

TechnicalSpecification6.7.1.e)



b. Examplesofadditionalproceduresrequiredfordecommissioningare:



  •  AdministrativeProceduresprescribingorganizationalresponsibilitiesand

prescribingtheprocessesandresponsibilitiesforpreparation,review,and

approvalofinstructions,procedures,anddrawingswithinthescopeofthisplan,

  •  OperatingProceduresforSSCswithinthescopeofthisplanthatprovide

sufficientdetailtoassuresafeoperationincompliancewithLicenseConditions,

  •  Surveillance,Test,andPreventiveMaintenanceProceduresthatprovidesufficient

detailforaqualifiedtechniciantoperformthosesurveillances,inspections,tests,

andcalibrationstoassureimplementationoftherequirementsoftheLicense,

  •  RadiationProtectionandChemistryProceduresthatassurecompliancewith

applicableradiologicalsafety,sampling,andanalysisrequirementsoftheLicense

andoftheenvironmentalmonitoringprogramsandtheOff-SiteDoseCalculation

Manual,

  •  Proceduresforengineeringdesignsandcalculations,procurementofmaterials

andservices,andindependenttechnicalandsafetyreviewsofactivitieswithinthe

scopeofthisplan,

  •  ProceduresfortheimplementationofQualityAssurancemonitoring,audit,

receiptinspectionand,andcorrectiveactionprocesses.



5.5.2 Thefollowingmanualandprogramsshallbeestablished,implemented,andmaintained:



a. Off-SiteDoseCalculationManual(ODCM)(Ref.TechnicalSpecification1.12)



TheOff-SiteDoseCalculationManual(ODCM)shallcontainthemethodologyand

parametersusedinthecalculationofoff-sitedosesresultingfromradioactivegaseous

andliquideffluents,inthecalculationofgaseousandliquideffluentmonitoring

alarm/tripsetpoints,andintheconductoftheRadiologicalEnvironmental

MonitoringProgram.TheODCMshallalsocontain:



  •  TheprogramsrequiredbySection5.5.2.band5.5.2.cbelow,and
  •  DescriptionsoftheinformationthatshouldbeincludedintheAnnual

RadiologicalEnvironmentalOperatingandAnnualRadioactiveEffluentRelease

ReportsrequiredbyAppendixB,B.1.1ofthisplanandTechnicalSpecification

6.8.1.2,respectively.



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b. RadioactiveEffluentControlsProgram(FormerlyTechnicalSpecification6.7.4.a)



Aprogramshallbeprovidedconformingwith10CFR50.36aforthecontrolof

radioactiveeffluentsandformaintainingthedosestomembersofthepublicfrom

radioactiveeffluentsaslowasreasonablyachievable.Theprogramshallbecontained

intheODCM,(2)shallbeimplementedbyoperatingprocedures,and(3)shall

includeremedialactionstobetakenwhenevertheprogramlimitsareexceeded.The

programshallincludethefollowingelements:



  •  Limitationsontheoperabilityofradioactiveliquidandgaseousmonitoring

instrumentationincludingsurveillancetestsandsetpointdeterminationin

accordancewiththemethodologyintheODCM,

  •  Limitationsontheconcentrationsofradioactivematerialreleasedinliquid

effluentstounrestrictedareaconformingto10timestheconcentrationsspecified

in10CFRPart20.1001-20.2402,AppendixB,Table2,Column2,

  •  Monitoring,sampling,andanalysisofradioactiveliquidandgaseouseffluentsin

accordancewith10CFR20.1302andwiththemethodologyandparametersinthe

ODCM,

  •  Limitationsontheannualandquarterlydosesordosecommitmenttoamember

ofthepublicfromradioactivematerialsinliquideffluentsreleasedfromthe

facilitytotheSITEBOUNDARYconformingtoAppendixIto10CFRPart50,

  •  Determinationofcumulativeandprojecteddosecontributionsfromradioactive

effluentsforthecurrentcalendarquarterandcurrentcalendaryearinaccordance

withthemethodologyandparametersintheODCMatleastevery31days,

  •  Limitationsontheoperabilityanduseoftheliquidandgaseouseffluenttreatment

systemstoensurethattheappropriatesystemsareusedtoreducereleasesof

radioactivitywhentheprojecteddosesina31-dayperiodwouldexceed2percent

oftheguidelinesfortheannualdoseordosecommitmentconformingto

AppendixIto10CFRPart50,

  •  Limitationsonthedoserateresultingfromradioactivematerialreleasedin

gaseouseffluentstoareasatorbeyondtheSITEBOUNDARY.Thelimitsareas

follows:

-

Fornoblegases:lessthanorequalto500mrem/yrtothetotalbodyandless

thanorequalto3000mrem/yrtotheskin,and

-

Fortritiumandallradionuclidesinparticulateformwithhalf-livesgreater

than8days:lessthanorequalto1500mrem/yrtoanyorgan

  •  Limitationsontheannualandquarterlyairdosesresultingfromnoblegases

releasedingaseouseffluentsfromthefacilitytoareasbeyondtheSITE

BOUNDARYconformingtoAppendixIto10CFRPart50,

  •  Limitationsontheannualandquarterlydosestoamemberofthepublicfrom

tritiumandallradionuclidesinparticulateformwithhalf-livesgreaterthan8days

ingaseouseffluentsreleasedfromeachfacilitytoareasbeyondtheSITE

BOUNDARYconformingtoAppendixIto10CFRPart50,

  •  Limitationsontheannualdoseordosecommitmenttoanymemberofthepublic

duetoreleasesofradioactivityandtoradiationfromuraniumfuelcyclesources

conformingto40CFRPart190.



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c. RadiologicalEnvironmentalMonitoringProgram(FormerlyTechnicalSpecification

6.7.4.b)



Aprogramwillbeprovidedtomonitortheradiationandradionuclidesintheenvirons

oftheplant.Theprogramshallprovide(1)representativemeasurementsof

radioactivityinthehighestpotentialexposurepathways,and(2)verificationofthe

accuracyoftheeffluentmonitoringprogramandmodelingofenvironmentalexposure

pathways.Theprogramshall(1)becontainedintheODCM,(2)conformtothe

guidanceofAppendixIto10CFRPart50,and(3)Includethefollowing:



  •  Monitoring,sampling,analysis,andreportingofradiationandradionuclidesin

theenvironmentinaccordancewiththemethodologyandparametersinthe

ODCM.



d. RadiationProtectionProgram(FormerlyTechnicalSpecification6.10)



Proceduresforpersonnelradiationprotectionshallbepreparedconsistentwiththe

requirementsof10CFRPart20andshallbeapproved,maintained,andadheredto

foralloperationsinvolvingpersonnelradiationexposure.



5.6

CriterionVI,DocumentControl



5.6.1 Measuresshallbeestablishedtocontroltheissuanceofdocuments,suchasinstructions,

procedures,drawings,andotherdocuments,includingchangesthereto,whichprescribe

activitieswithinthescopeofthisplan.Thesemeasuresshallassurethatapplicable

documentsareavailableforusebytheindividualsperformingtheactivitiesandatthe

locationswheretheactivitiesarebeingperformed.



a. Theprocessforcontrollingdocumentsshallspecifytheorganizationalelements

responsibleforapprovalandissuanceofdocuments.



b. Documentsandchangestodocumentswithinthescopeofthisplanshallbe

controlledinamannerthatprecludestheuseofinappropriateoroutdateddocuments

andthereshallbeprovisionstoassurethatdocumentsinusearethecurrently

approvedrevisions.



c. Changestodocumentsshallbereviewedandapprovedbythesameorganizationsthat

performedtheoriginalreviewunlessanotherresponsibleorganizationisdesignated

bymanagement.



5.6.2 Documentsandsubstantivechangestheretocontrollingactivitieswithinthescopeofthis

planshallbepreparedbyastafforcontractorsknowledgeableintheareaaffectedbythe

procedureandshallbereviewedfortechnicaladequacybyanindependentindividual(s)

orgroupotherthanthepreparer,butwhomaybefromthesameorganizationasthe

individualwhopreparedtheprocedureorchange.(RefertoSections6.0and7.0ofthis

planforrequirementsrelatedtoindependentTechnicalandIndependentSafetyReview).



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a. Eachoftheproceduresrequiredfordecommissioning(Ref.5.5.1ofthisplan),and

SUBSTANTIVECHANGESthereto,shallbereviewedandapprovedpriorto

implementationandshallbereviewedperiodicallyasfollows(FormerlyTechnical

Specification6.7.2):



  •  Atleasteverytwoyears,thegroupresponsibleforQualityAssurancewillassess

arepresentativesampleofplantproceduresthatareusedmorefrequentlythan

everytwoyears(FormerlyTechnicalSpecification6.7.2.a).

  •  Plantproceduresthathavebeenusedatleastbienniallyreceivescrutinyby

individualsknowledgeableinproceduresandareupdatedasnecessarytoensure

adequacyduringsuitablecontrolledactivities(FormerlyTechnicalSpecification

6.7.2.b).

  •  Plantproceduresthathavenotbeenusedfortwoyearswillbereviewedbefore

useorbienniallytodetermineifchangesarenecessaryordesirable(Formerly

TechnicalSpecification6.7.2.c).



b. SUBSTANTIVECHANGEStotheODCM(FormerlyTechnicalSpecification6.12):



  •  Shallbedocumentedandrecordsofreviewsperformedshallberealizedas

requiredby5.17.5.bofthisplan.Thisdocumentationshallcontain:

-

Sufficientinformationtosupportthechangetogetherwiththeappropriate

analysesorevaluationsjustifyingthechange(s),and

-

Adeterminationthatthechangewillmaintainthelevelofradioactiveeffluent

controlrequiredby10CFR20.1301,40CFRPart190,10CFR50.36aand

AppendixIto10CFRPart50andnotadverselyimpacttheaccuracyor

reliabilityofeffluent,dose,orsetpointcalculations(FormerlyTechnical

Specification6.12.a).

  •  ShallbecomeeffectiveafterreviewandacceptancebytheTMI-2Solutions

ProjectDirector(FormerlyTechnicalSpecification6.12.b).

  •  ShallbesubmittedtotheCommissionintheformofacomplete,legiblecopyof

theentireODCMaspartoforconcurrentwiththeAnnualRadioactiveEffluent

ReleaseReportfortheperiodofthereportinwhichanychangetotheODCM

wasmade.Eachchangeshallbeidentifiedbymarkingsinthemarginofthe

affectedpages,clearlyindicatingtheareaofthepagethatwaschanged,andshall

indicatethedate(e.g.,month/year)thechangewasimplemented(Formerly

TechnicalSpecification6.12.c).



5.6.3 Temporarychangestoproceduresrequiredfortheactivitiestobeperformedduring

decommissioning(Phase1bandPhase2)maybemadeprovided(FormerlyTechnical

Specification6.7.3):



a. Theintentoftheoriginalproceduresisnotaltered(FormerlyTechnicalSpecification

6.7.3.a)



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b. Thechangeisapprovedbytwomembersoftheresponsibleorganization

knowledgeableintheareaaffectedbytheprocedure.Forchangeswhichmayaffect

theoperationalstatusoffacilitysystemsorequipment,atleastoneofthese

individualsshallbeamemberoffacilitymanagementorsupervision(Formerly

TechnicalSpecification6.7.3.b);and



c. Thechangeisdocumented,reviewed,andapprovedwithin14daysof

implementation(FormerlyTechnicalSpecification6.7.3.c).



5.7

CriterionVII,ControlofPurchasedMaterial,Equipment,&Services



Adocumentedprocesswillbeimplementedtoverifythatpurchasedmaterialwithinthescopeof

thisplanconformstotherequirementsspecifiedintheprocurementdocuments.Theprocesswill

includemeasuressuchasphysicalinspectionofmaterialsuponreceipt,reviewofdocumentary

evidenceprovidedbythevendor,ortestingandanalysisuponreceipt,asappropriate,to

determinethatthematerialmeetsthespecificationsintheprocurementdocuments.The

processesshalluseagradedapproachapplyingconsiderationsofamaterial'sorcomponent's

importancetosafety,complexity,historyofprevioususe,andtheabilitytobereadilyassessed

byreviewofvendorpublishedcommercialdocumentssuchascataloguesandpublished

specificationsheets.Applyingthegradedapproach,theprocurementdocumentsmayalsorequire

TMI-2Solutionsreviewandapprovalofthevendor'sdrawings,procedures,manufacturing

plans,andQualityAssurancePlansasneeded.



WhenprocurementdocumentsrequireimplementationofaQualityAssurancePlanbythe

vendor,theadequacyofvendor'squalityassuranceprogramshallbeverifiedand,ifappropriate,

thevendors'adherencetotheirqualityassuranceprogramshallbeverified.Thismaybe

accomplishedbydirectauditofthevendor,reviewofthevendor'sdocumentedprogram,orby

reviewofaudithistoryperformedbyEnergySolutionsorotherclients.



Measuresshallbeestablishedtoidentifynonconformingitemstoassurethatsuchitemsdonot

getplacedinserviceuntilthenonconformingissuesarecorrected.



5.8

CriterionVIII,IdentificationandControlofMaterials,Parts,andComponents



Formaterialswithinthescopeofthisplan,measuresshallbeestablishedtoassurethatonly

correctandaccepteditemsareusedorinstalled.Identificationofitemsshallbemaintainedon

theitemsorindocumentstraceabletotheitems,orinamannerthatassuresthatidentificationis

establishedandmaintained.



5.9

CriterionIX,ControlofSpecialProcesses



Measuresshallbeestablishedtoassurethatspecialprocesses,includingwelding,heattreating,

chemicalcleaning,andnondestructiveexaminationarecontrolledandaccomplishedbyqualified

personnelusingqualifiedproceduresinaccordancewithapplicablecodes,standards,

specifications,criteria,andotherspecialrequirements.





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Proceduresfortheperformanceofspecialprocessesshallhaveprovisionsfortherecordingof

theidentityandqualificationofpersonnelperformingspecialprocesses.



5.10

CriterionX,Inspection



Appropriateinspectionsshallbeperformedtoverifythatactivitieswithinthescopeofthisplan

havebeenconductedinconformancewiththeapplicableinstructions,procedures,anddrawings

foraccomplishingtheactivity.Thefrequencyanddegreeofinspectionshallbedetermined

throughapplicationofthegradedapproachconsideringthesafetysignificanceandcomplexityof

theSSCoractivity.



Suchinspectionsshallbeperformedbyindividualsotherthanthosewhoperformedtheactivity

beinginspectedandshallbeperformedinaccordancewithappropriateprocedurescontaininga

descriptionofobjectives,acceptancecriteriaandprerequisitesforperformingtheinspections.

Theseproceduresshallalsospecifyanyspecialequipmentorcalibrationsrequiredtoconductthe

inspection.



Personnelperformingrequiredinspectionsshallbequalifiedbaseduponexperienceandtraining

ininspectionmethods.



Ifmandatoryinspectionholdpointsaretobeestablished,whichrequirewitnessingorinspection

andbeyondwhichworkshallnotproceedwithoutpriorconsentarerequired,thespecifichold

pointsshallbeindicatedintheworkcontroldocumentsandtheworkcontroldocumentsshallbe

reviewedpriortoimplementationbytheorganizationrequiredtoperformtheinspection.



5.11

CriterionXI,TestControl



AppropriatetestingshallbeperformedtodemonstratethattheSSCswithinthescopeofthisplan

willperformsatisfactorilyinservice,andthatperformancecriteriaspecifiedinLicenseBasis

Documentsaremet.



Testswithinthescopeofthisplanshallbeprescribedbywrittenproceduresthatcontaindetailed

performancestepsandchecklistsforconductingthetest.Proceduresshallincludeappropriate

inspectionholdpointsandprovidedocumentationofperformance,results,andsatisfactory

completionoftheprescribedtests.Suchdocumentationshallincludeanevaluationtoverifythat

testrequirementshavebeenmet.



Wherenecessary,proceduresshallspecifytestprerequisitessuchascalibratedinstrumentation,

requiredtestequipment,controlledandsuitableenvironmentalconditions,andprovisionsfor

datacollectionandstorage,andshallcontainappropriatequantitativeandqualitativeacceptance

criteriathatprovideevidencethatapplicabledesignspecificationsandprocurement

specificationshavebeenmet.



5.12

CriterionXII,ControlofMeasuringandTestEquipment



Proceduresshallbeimplementedthatestablishmeasurestoassurethattools,gauges,

instruments,andothermeasuringandtestingdevicesusedinactivitieswithinthescopeofthis



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planareproperlycontrolled,calibrated,andadjustedatspecifiedperiodstomaintainaccuracy

withinnecessarylimits.Theproceduresshallassurethatappropriaterecordsaremaintainedto

provideobjectiveevidencethatthecontrolprogramisimplemented.



WhenMeasuringandTestEquipmentisfoundtobeoutofcalibration,thevalidityofprevious

testsandcalibrationswheretheitemhadbeenusedsinceitslastcalibrationshallbeevaluated.

Suchevaluationsshallbedocumentedandcorrectiveactionsshallbetaken,asnecessary.



Rulers,tapemeasures,levels,andothersuchdevicesneednotbeincludedintheMeasuringand

TestEquipmentcontrolprogramifnormalcommercialpracticesprovideforadequateaccuracy.



5.13

CriterionXIII,Handling,StorageandShipping



Procedureswillbedevelopedtoproperlycontrolthehandling,storage,andshippingofitems

withinthescopeofthisplanconsideringthesafetysignificance,complexity,andphysical

characteristicsoftheitemsandmaterial.Theprocedureswillincluderequirementsasneededto

specifycleanliness,packaging,andpreservationmethodstopreventdamage,deterioration,or

loss.



Cleaningandpreservationrequirementsshallbeincludedindesignandprocurementdocuments,

specifications,andprocedures,ifappropriate.



Controlsshallbeestablishedtoensurethatitemswhoseshelflifehasexpiredwillnotbeused.



5.14

CriterionXIV,Inspection,Test,andOperatingStatus



Measuresshallbeestablishedtoindicatethestatusofinspectionsandtestsperformedon

individualitemswithinthescopeofthisplanbymarkingssuchasstamps,tags,labels,routing

cards,inspectionrecords,orothersuitablemeans.Thestatusofinspectionandtestactivities

shallbeidentifiedeitherontheitemsorindocumentstraceabletotheitems.Thesemeasureswill

providefortheidentificationandstatusofitemswhereitisnecessarytoensurethatrequired

inspectionsandtestsareperformedandtoensurethatitemsthathavenotpassedtherequired

inspectionsandtestsarenotinadvertentlyinstalled,used,oroperated.



MeasureswillalsobeestablishedforindicatingtheoperatingstatusofSSCsandtoprevent

inadvertentoperationbysuchmethodsastaggingorlockingvalvesandswitches.Suchmeasures

willincludeprovisionsforpermissiontoreleaseequipmentorsystemsformaintenanceor

modification,documentationofthemechanismsemployedtoisolatesuchsystemsand

componentsforprotectionofequipmentandpersonnel,andreleaseofthecontrolsforreturnto

servicewhennecessary.Controlmeasuresshallincludesuchitemsasswitchingandtagging,

controlofliftedleadsandjumpers,andtemporarybypasses.



5.15

CriterionXV,NonconformingMaterials,Parts,orComponents



Foritemswithinthescopeofthisplan,measuresshallbeestablishedtocontrolmaterials,parts,

orcomponentswhichdonotconformtorequirementsinordertopreventtheirinadvertentuse.



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Thesemeasuresshallinclude,asappropriate,proceduresforidentification,documentation,

segregation,disposition,andnotificationtoaffectedorganizations.



Measuresshallbeestablishedtocontrolfurtherprocessing,deliveryorinstallationofa

nonconformingitemorcontinuationofanonconformingserviceoractivity,pendingadecision

onitsdisposition.



Nonconformingitemsshallbereviewedandaccepted,rejected,repaired,orreworkedin

accordancewithdocumentedprocedures.Procedureswillprovidefordocumentationofthe

reviewanddispositionandwillrequiredocumentedtechnicaljustificationfortheactiontaken.



5.16

CriterionXVI,CorrectiveAction



Aprocessshallbeimplementedtoassurethatconditionsadversetoquality,suchasfailures,

malfunctions,discrepancies,deviationsfromspecifications,defectivematerial,andequipment,

andnonconformancesarepromptlyidentifiedandcorrected.



Forsignificantconditionsadversetoquality,suchasTechnicalSpecificationorLicense

ConditionviolationsoreventsreportabletotheNuclearRegulatoryCommission,theprocess

willincludeprovisionstoassurethatthecauseoftheconditionisdeterminedandthatcorrective

actionsareimplementedtocorrecttheconditionandtopreventrecurrenceofthecondition.



Theidentificationoftheconditionadversetoquality,thecausesofthecondition,andthe

correctiveactionsshallbedocumentedandreportedtotheappropriatemanagementpersonnel

forreview.



5.17

CriterionXVII,QualityAssuranceRecords



Sufficientrecordsshallbemaintainedtoprovidedocumentaryevidencethatactivitiesaffecting

qualityhavebeenadequatelyperformedincompliancewiththisplan.Theserecordsshall

includeallthoserequiredby5.17.5ofthisplan,TechnicalSpecificationsandanyEnvironmental

Permitsandprograms,recordsofrequiredindependentTechnicalandIndependentSafety

Reviews,andrecordsofprocedureandplanrevisionsthatarewithinthescopeofthisplan.



5.17.1 Theserecordsshallbeidentifiableandretrievableandshalldocument,whenapplicable,

theidentificationoftheindividualgeneratingthedocumentorthedatarecorder,thetype

ofobservation,theresults,theacceptability,andtheactiontakeninconnectionwithany

deficienciesnoted.



a.

Recordsofcalibrationofmeasuringandtestequipmentandinstrumentationwithin

thescopeofthisplanshallcontaindocumentaryevidenceoftraceabilitytonational

standards.



5.17.2 Recordsstoredforretentionshallbeprotectedfromdamageordeteriorationfrom

environmentalandcatastrophiceventsthrougheitherprotectedstorageareasordevices

orseparateduplicatefilestoragemethods.





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5.17.3 Writtenrecords(FormerlyTechnicalSpecification6.5.1.8)ofactivitiesperformedin

accordancewithSections6.1through6.7ofthisplan(FormerlyTechnicalSpecification

6.5.1.1through6.5.1.7)shallbemaintainedinaccordancewith5.17.5ofthisplan.



5.17.4 WrittenrecordsofreportsofreviewsencompassedinSection7.4ofthisplan(Formerly

TechnicalSpecification6.5.2.5)shallbemaintainedinaccordancewith5.17.5ofthis

plan.



5.17.5 RecordsRetention



Procedureswillbeimplementedtospecifyresponsibility,duration,andlocationof

recordsretention.



a. Thefollowingrecordsshallberetainedforatleastfiveyears(FormerlyTechnical

Specification6.9.1):



  •  Recordsofsealedsourceandfissiondetectionleaktestsandresults.
  •  Recordsofannualphysicalinventoryofallsealedsourcematerialofrecord.



b. ThefollowingrecordsshallberetainedaslongastheLicenseehasanNRClicenseto

possessattheThreeMileIslandfacility(FormerlyTechnicalSpecification6.9.2).



  •  Recordsandlogsofunitoperationcoveringtimeintervalateachpowerlevel.
  •  Recordsandlogsofprincipalmaintenanceactivities,inspections,repair,and

replacementofprincipalitemsofequipmentrelatedtonuclearsafetyand

radioactivewastesystems.

  •  AllreportableeventssubmittedtotheCommission.
  •  Recordsofsurveillanceactivities,inspectionsandcalibrationsrequiredby

TechnicalSpecifications.

  •  RecordsofchangesmadetotheproceduresrequiredbyRecoveryTechnical

Specification6.8.1,recordsofchangestoprogramsandproceduresrequiredby

PDMSTechnicalSpecification6.7.1,andrecordsrequiredby5.5.1ofthisplan.

  •  RadiationSafetyProgramReportsandQuarterlyRecoveryProgressReportson

theMarch28,1979incident.

  •  Recordsofradioactiveshipments.
  •  Recordsandlogsofradioactivewastesystemsoperations.
  •  Recordsanddrawingchangesreflectingfacilitydesignmodificationsmadeto

systemsandequipmentdescribedintheSafetyAnalysisReport,Technical

EvaluationReport(TER),SystemDescriptions(SD),orSafetyEvaluation

previouslysubmittedtoNRC.

  •  Recordsofnewandirradiatedfuelinventory,fueltransfersandassemblyburnup

histories.

  •  Recordsoftransientoroperationalcyclesforthoseunitcomponentsdesignedfor

alimitednumberoftransientsorcycles.

  •  Recordsofreactortestsandexperiments.
  •  Recordsoftrainingandqualificationforcurrentmembersofthefacilitystaff.



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  •  Recordsofin-serviceinspectionspreviouslyrequiredbytheTechnical

Specifications.

  •  RecordsofQualityAssuranceactivitiesrequiredbytheOperating,Recovery,

PDMSorDecommissioningQualityAssurancePlans.

  •  Recordsofreviewsperformedforchangesmadetoproceduresorequipmentor

reviewsoftestsandexperimentspursuantto10CFR50.59.

  •  RecordsofmeetingsofthePlantOperationReviewCommittee(PORC)andthe

GenerationReviewCommittee(GRC),andreportsofevaluationspreparedbythe

IndependentOnsiteSafetyReviewGroup(IOSRG),ifapplicabletoThreeMile

IslandUnit2.

  •  RecordsoftheincidentwhichoccurredonMarch28,1979.
  •  Recordsoffacilityradiationandcontaminationsurveys.
  •  Recordsofradiationexposurereceivedbyallindividualsforwhommonitoring

wasrequired.

  •  Recordsofgaseousandliquidradioactivematerialreleasedtotheenvirons.
  •  RecordsofreviewsperformedforchangesmadetotheOffsiteDoseCalculation

Manual(ODCM).



5.18

CriterionXVIII,Audits



Plannedauditsshallbeconductedtoverifycompliancewithappropriaterequirementsofthis

planandtodetermineitseffectiveness.Theauditsshallbeperformedinaccordancewithwritten

proceduresorchecklistsbyappropriatelyqualifiedpersonnelnothavingdirectresponsibilityin

theareasbeingaudited.Auditresultsshallbedocumentedandreviewedbymanagementhaving

responsibilityintheareaaudited.Follow-upaction,includingre-auditofdiscrepantareas,shall

betakenwhereindicated.



Auditsoffacilityactivities(FormerlyTechnicalSpecification6.5.3.1)shallbeperformedin

accordancewiththisplanandshallencompassthefollowingatthespecifiedinterval:



a. TheconformanceoffacilityoperationstoprovisionscontainedwithintheTechnical

Specificationsandapplicablelicenseconditions.(Biennial)

b. TheperformanceofactivitiesrequiredbytheDecommissioningQAPlan.(Biennial)

c. TheRadiationProtectionPlanandapplicableimplementingprocedures.(Biennial)

d. TheFireProtectionProgramandimplementingprocedures.(Biennial)

e. Anindependentfireprotectionandlosspreventionprograminspectionandtechnicalaudit

shallbeperformedutilizingeitherqualifiedlicenseepersonneloranoutsidefireprotection

firm.(Biennial)

f. Aninspectionandauditofthefireprotectionandlosspreventionprogrambyanoutside

qualifiedfireconsultant.(Triennial)

g. TheOff-siteDoseCalculationManualandimplementingprocedures.(Biennial)

h. TheperformanceoftheQAAssessmentactivitiesprovidedbytheDecommissioning

ServicesAgreementcontractor(Biennial).Anyotherareaoffacilityoperationconsidered

appropriatebytheTMI-2SolutionsProjectDirectorortheTMI-2SolutionsCognizant

Officer.





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Auditreports(FormerlyTechnicalSpecification6.5.3.2)encompassedbythissectionshallbe

forwardedforactiontothemanagementpositionsresponsiblefortheareasauditedandtheTMI-2SolutionsCognizantOfficerwithin60daysaftercompletionoftheaudit.Uppermanagement

shallbeinformedinaccordancewiththisplan.



DeficienciesinprogramimplementationshallberegardedasConditionsAdversetoQualityand

shallbesubjecttotheappropriateCorrectiveActionsinconformancewithSection5.16ofthis

plan.



Singleauditsmayencompassmultiplespecifiedauditareas.Auditintervalschedulesarebased

onthemonthinwhichtheauditbeginsandthefrequencyoftheauditsasspecifiedmaybe

increasedbynomorethantwentyfivepercent.Ifintervalsareextended,thesucceedingauditis

scheduledbasedontheoriginalanniversarymonthratherthantheextendedstartdate,and

combinedintervalforanythreeconsecutiveauditsshallnotexceed3.25timesthespecifiedaudit

interval.



6.0

TECHNICALREVIEWANDCONTROL



TheTMI-2SolutionsCognizantOfficershallberesponsibleforensuringthepreparation,review,

andapprovalofdocumentsrequiredbytheactivitiesdescribedinSections6.1through6.7ofthis

plan(FormerlyTechnicalSpecificationsSections6.5.1.1through6.5.1.7).Preparation,review

andapprovalofthesedocumentsmaybeperformedbyTMI-2SolutionsorbyTMI-2Solutions

contractor.Implementingapprovalsshallbeperformedatthecognizantmanagerlevelorabove.



6.1

(FormerlyTechnicalSpecification6.5.1.1)Eachprocedurerequiredby5.5.1,asdescribed

5.5.1.a,5.5.2.band5.5.2.cofthisplan,andotherproceduresincludingthosefortestsand

experimentsandSUBSTANTIVECHANGEStheretoshallbepreparedbyadesignated

individual(s)orgroupknowledgeableintheareaaffectedbytheprocedure.Eachsuch

procedure,andSUBSTANTIVECHANGESthereto,shallbegivenatechnicalreviewby

anindividual(s)orgroupotherthanthepreparer,butwhomaybefromthesame

organizationastheindividualwhopreparedtheprocedureorchange.



6.2

(FormerlyTechnicalSpecification6.5.1.2)ProposedchangestotheTechnical

Specificationsshallbereviewedbyaknowledgeableindividual(s)orgroupotherthanthe

individual(s)orgroupwhopreparedthechange.



6.3

(FormerlyTechnicalSpecification6.5.1.3)Proposedtestsandexperimentsshallbe

reviewedbyaknowledgeableindividual(s)orgroupotherthanthepreparerbutwhomay

befromthesamedivisionastheindividualwhopreparedthetestsandexperiments.



6.4

(FormerlyTechnicalSpecification6.5.1.4)Proposedmodificationstofacilitystructures,

systems,andcomponentsnecessarytoassureconformancetothedescriptionsinthe

DefueledSARshallbedesignedbyanindividual/organizationknowledgeableinthe

areasaffectedbytheproposedmodification.Eachsuchmodificationshallbetechnically

reviewedbyanindividual(s)/groupotherthantheindividual/groupwhichdesignedthe

modificationbutmaybefromthesamegroupastheindividualwhodesignedthe

modification.



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6.5

(FormerlyTechnicalSpecification6.5.1.5)InvestigationofallviolationsoftheTechnical

Specificationsincludingthepreparationandforwardingofreportscoveringevaluation

andrecommendationstopreventrecurrence,shallbereviewedbyaknowledgeable

individual(s)/groupotherthantheindividual(s)/groupwhichperformedtheinvestigation.

6.6

(FormerlyTechnicalSpecification6.5.1.6)Allreportableeventsshallbereviewedbyan

individual/groupotherthantheindividual/groupwhichpreparedthereport.



6.7

(FormerlyTechnicalSpecification6.5.1.7)Individualsresponsibleforreviewsperformed

inaccordancewithSection6.1through6.6(FormerlyTechnicalSpecification6.5.1.1

through6.5.1.6)shallincludeadeterminationofwhetherornotadditionalcross

disciplinaryreviewisnecessary.Ifdeemednecessary,suchreviewshallbeperformedby

theappropriatepersonnel.IndividualsresponsibleforreviewsconsideredunderSections

6.1,6.3,and6.4(FormerlyTechnicalSpecifications6.5.1.1,6.5.1.3,and6.5.1.4)shall

renderdeterminationsinwritingwithregardtowhetherornotNRCapprovalisrequired

pursuantto10CFR50.59.



6.8

ResponsibleTechnicalReviewers(FormerlyTechnicalSpecification6.5.1.9)shallmeet

orexceedthequalificationsofANSI/ANS3.1of1978Section4.6or4.4forapplicable

disciplinesorhave7yearsofappropriateexperienceinthefieldofhisorherspecialty.

Credittowardexperiencewillbegivenforadvanceddegreesonaonetoonebasisuptoa

maximumoftwoyears.ResponsibleTechnicalReviewersshallbedesignatedinwriting.



7.0

INDEPENDENTSAFETYREVIEW



TheTMI-2SolutionsCognizantOfficer(FormerlyTechnicalSpecification6.5.2.1)shallbe

responsibleforensuringtheIndependentSafetyReviewofthesubjectsdescribedinSection7.4

ofthisplan(FormerlyTechnicalSpecificationSection6.5.2.5).IndependentSafetyReviewsmay

beperformedbyTMI-2SolutionsorbyTMI-2Solutionscontractor.



7.1

(FormerlyTechnicalSpecification6.5.2.2)Independentsafetyreviewshallbecompleted

byanindividualorgroupnothavingdirectresponsibilityfortheperformanceofthe

activitiesunderreview,butwhomaybefromthesamefunctionallycognizant

organizationastheindividualorgroupperformingtheoriginalwork.



7.2

(FormerlyTechnicalSpecification6.5.2.3)TMI-2Solutionsshallcollectivelyhave

accesstotheexperienceandcompetencerequiredtoindependentlyreviewsubjectsinthe

followingareas:



a.

Nuclearfacilityoperations

b.

Nuclearengineering

c.

Chemistryandradiochemistry

d.

Metallurgy

e.

Instrumentationandcontrol

f.

Radiologicalsafety

g.

Mechanicalengineering

h.

Electricalengineering



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i.

Administrativecontrolsandqualityassurancepractices

j.

Otherappropriatefieldssuchasradioactivewastemanagementoperations

associatedwiththeuniquecharacteristicsofThreeMileIslandUnit2.



7.3

(FormerlyTechnicalSpecification6.5.2.4)Consultantsmaybeutilizedasdeterminedby

theTMI-2SolutionsCognizantOfficertoprovideexpertadvice.



7.4

(FormerlyTechnicalSpecification6.5.2.5)Thefollowingsubjectsshallbeindependently

reviewedbyIndependentSafetyReviewers(ISRs):



a.

WrittenevaluationsofchangesinthefacilityasdescribedintheDefueledSafety

AnalysisReport,ofchangesinproceduresasdescribedintheDefueledSafety

AnalysisReport,andoftestsorexperimentsnotdescribedintheDefueledSafety

AnalysisReport,whicharecompletedwithoutpriorNRCapprovalunderthe

provisionsof10CFR50.59(c)(1).Thisreviewistoverifythatsuchchanges,

tests,orexperimentsdidnotinvolveachangeintheTechnicalSpecificationsor

requireNRCapprovalpursuantto10CFR50.59.Suchreviewsneednotbe

performedpriortoimplementation.



b.

Proposedchangesinprocedures,proposedchangesinthefacility,orproposed

testsorexperiments,anyofwhichinvolvesachangeintheTechnical

SpecificationsorrequiresNRCapprovalpursuantto10CFR50.59.Mattersof

thiskindshallbereviewedpriortosubmittaltotheNRC.



c.

ProposedchangestoTechnicalSpecificationsorlicenseamendmentsshallbe

reviewedpriortosubmittaltotheNRCforapproval.



d.

Violations,deviations,andreportableeventswhichrequirereportingtotheNRC

inwriting.Suchreviewsareperformedafterthefact.Reviewofeventscovered

underthissubsectionshallincluderesultsofanyinvestigationsmadeandthe

recommendationsresultingfromsuchinvestigationstopreventorreducethe

probabilityofrecurrenceoftheevent.



e.

WrittensummariesofauditreportsintheareasspecifiedinSection5.18ofthis

plan(FormerlyTechnicalSpecification6.5.3).



f.

Anyothermattersinvolvingtheplantwhichareviewerdeemsappropriatefor

considerationorwhichisreferredtotheindependentreviewers.



7.5

IndependentSafetyReviewersorISR's(FormerlyTechnicalSpecification6.5.2.6)shall

eitherhaveaBachelorsDegreeinEngineeringorthePhysicalSciencesandfiveyearsof

professionallevelexperienceintheareabeingreviewedorhavenineyearsofappropriate

experienceinthefieldofhisorherspecialty.Anindividualperformingreviewsmay

possesscompetenceinmorethanonespecialtyarea.Credittowardexperiencewillbe

givenforadvanceddegreesonaoneforonebasisuptoamaximumoftwoyears.







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APPENDIXA



10CFR71SUBPARTHQUALITYASSURANCEPLAN







A1.0 GENERAL



A1.1 ThisAppendixtotheDecommissioningQualityAssurancePlanaddressestheQuality

Assurance(QA)requirementsapplicabletopackaging,preparationforshipment,

transportationoflicensedmaterialinexcessofaTypeAquantity.Itisdesignedtoassure

compliancewith10CFR71,SubpartH,andtheapplicabletransportationregulations

containedin49CFR.



ThisAppendixdiscussestheapplicationoftheQualityAssuranceCriteriaof10CFR,

Part71,SubpartH,astheyrelatetoImportanttoSafetyactivitiesperformedbyTMI-2

Solutionsoritscontractorsandsubcontractors.TMI-2Solutions,astheLicenseefor

ThreeMileIslandUnit2,retainstheresponsibilityfortheoveralleffectivenessofthis

plan.Thisplanwillbeimplementedthroughtheuseofcontrolledandapproved

procedures,andwillbeappliedinagradedapproachtoanextentthatiscommensurate

withthequalityassurancerequirementsimportancetosafety.



A1.2 Eachcertificateholdershallberesponsible,asspecifiedinprocurementdocuments,for

satisfyingthequalityassurancerequirementsthatapplytocomponentsofpackaging

subjectto10CFR,Part71,SubpartH.TMI-2Solutionsissimultaneouslyresponsiblefor

thesequalityassurancerequirementsthroughtheoversightofcontractorsand

subcontractors.TMI-2Solutionsisalsoresponsibleforsatisfyingthequalityassurance

requirementsthatapplytoitsuseofpackagingfortheshipmentoflicensedmaterial

subjectto10CFR,Part71,SubpartH.





A2.0 RESPONSIBILITIES



TheTMI-2SolutionsCognizantOfficerisresponsibleforestablishingthefacility'squality

assurancepolicies,goals,andobjectives,andretainsoverallresponsibilityandtheauthorityfor

implementingthosepolicies.



A3.0 ORGANIZATION(10CFR71.103)



TheTMI-2SolutionsorganizationresponsibleforThreeMileIslandUnit2isdescribedin

Section5.1ofthebaseDecommissioningQualityAssurancePlan.Anymemberofthestaff

performingactivitiesthatareunderthepurviewofthisplanhastheresponsibilityandauthority

tostopworkandthedeliveryorinstallationofnonconformingmaterialsrelatedtothisAppendix

whenqualityorsafetyconcernsareidentified.Theseindividualswillhavedirectaccesstoa

levelofTMI-2SolutionsManagementthatcanensureproperevaluationandcorrectionof

conditionsadversetoquality.



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APPENDIXA



10CFR71SUBPARTHQUALITYASSURANCEPLAN







A4.0 QUALITYASSURANCEPROGRAM(10CFR71.105)



A4.1 ThisAppendixconstitutesaprogramtosupplementthebaseDecommissioningQuality

AssurancePlanforperformanceofactivitiesassociatedwiththepackagingand

transportationofradioactivematerialundertheprovisionsof10CFR71.



A4.2 ThisAppendixrecognizesthedescriptionof"importanttosafety"asusedinNRC

RegulatoryGuide7.10,"EstablishingQualityAssuranceProgramsforPackagingusedin

TransportofRadioactiveMaterial",Revision3.TheRegulatoryGuidestates,"Forthe

purposesofthisRegulatoryGuide,structures,systems,andcomponentsimportantto

safetymeansthefeaturesofaTypeBorfissilematerialpackagethatareintendedto(1)

maintaintheconditionsrequiredtosafelytransportthepackagecontents;(2)prevent

damagetothepackageduringtransport;or(3)providereasonableassurancethatthe

radioactivecontentscanbereceived,handled,transported,andretrievedwithoutundue

risktothehealthandsafetyofthepublicortheenvironment".



a. ThisAppendixwillbeappliedtoactivitiesrelatedtothecriteriaof10CFR71

involvingSSCsmeetingthisdefinitionofImportanttoSafety.ImportanttoSafetyis

furthercategorizedintooneofthreequalityassuranceclassificationcategories(ITS-A,ITS-B,orITSC)orNotImportanttoSafety(NITS)consistentwiththeNRC

guidancegiveninNUREG/CR-6407,ClassificationofTransportationPackaging

andDrySpentFuelStorageSystemComponentsAccordingtoImportancetoSafety

andRegulatoryGuide7.10.Theseclassificationswillprovidethebasesforapplying

thecriteriatoactivitiesconductedbyTMI-2Solutions,includingtheoversightof

contractorsandsubcontractors,inagradedapproachtoanextentcommensuratewith

theSSCsimportancetosafety,asnecessary,toensureconformancewiththe

approveddesign.



A4.3 Personnelperformingactivitiesaffectingqualitywillreceivetrainingandindoctrination

onthisplanandassociatedproceduresasnecessarytoensurethatsuitableproficiencyis

achievedandmaintained.



A4.4 Managementoforganizationsresponsibleforimplementationofthecriteriainthis

Appendixshallregularlyreviewthestatusandadequacyofthatpartwhichtheyare

executing.



A5.0 CHANGESTOQUALITYASSURANCEPROGRAM(10CFR71.106)



AnychangestothisAppendixwillbeconsideredachangetotheDecommissioningQuality

AssurancePlanandwillbereviewedandapprovedinthesamemannerasthebaseplanandwill

besubmittedtotheNuclearRegulatoryCommissionincompliancewiththerequirementsof10

CFR71.106.



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APPENDIXA



10CFR71SUBPARTHQUALITYASSURANCEPLAN







A6.0 DESIGNCONTROL(10CFR71.107)



A6.1 Designcontrolsfortransportationpackagingwillbesubcontractedtotherespective

certificateholders.Consequently,thecriteriaof10CFRPart71.107arenotapplicable.

AssurancethatthedesigncontrolactivitieswereaccomplishedundercontrolofanNRC

approvedQAProgramisrequiredandwillbeaccomplishedbyrequiringthecertificate

holderstosubmitdocumentedproofofpackagedesignunderanNRCapprovedQA

Program.DocumentedproofwillincludeNRCCertificatesofCompliance,controlled

distributioncopiesofthevendor'stransportationcaskmanuals.Documentswillbekept

onfileattheThreeMileIslandfacility.



A7.0 PROCUREMENTDOCUMENTCONTROL(10CFR71.109)



A7.1 TMI-2Solutionswillprocuretransportationpackagingfromcontractorsand

subcontractorswithQAProgramsthatcomplywith10CFR71.Certificateholderswill

berequiredtoprovideevidenceofNRCapprovaloftheirrespectiveQAPrograms.



A7.2 Procurementprocessesshallbespecifiedbywrittenprocedureswhichprovideforreview

byappropriatemanagementpersonnelandrequirethatprocurementdocumentsbesubject

toaqualityreviewtoassureapplicableregulatoryrequirements,designbases,quality

assurance,andotherrequirementswhicharenecessarytoassureadequatequalityare

includedorreferencedinthedocumentspriortoexecution.Provisionsforassuring

sufficientverificationofqualityrequirementsisprovidedbythecontractorsand

subcontractorsshallalsobeincluded.



a. IfconsiderednecessarybyTMI-2SolutionsManagementduetotheunique

characteristicsorimportancetosafetyofanSSCorservice,procurementdocuments

shallspecifythatTMI-2Solutionsoradesigneehastherighttoaccessthesupplier

andlower-tiersupplierfacilitiesforinspection,audit,orreviewofrecords.



A7.3 Thecertificateholderswillberequiredtosupplyappropriatecertificationsverifyingthat

theitemsandservicesbeingsuppliedwerecontrolledunderanapprovedNRCQA

Program.Allpertinentdocumentationrequirementsshallbedeterminedandfurnishedby

thecontractorsandsubcontractors,includingavailabledocumentationthatprovides

objectiveevidenceofthequalityoftheitemsandservicesandidentificationofthetype

ofverificationactivitiesrequiredduringuseandmaintenance.Recordswhichcontractors

andsubcontractorsshallretain,maintain,andcontrolandthosewhichshallbedelivered

priortouseordeliveryofanitemorservicewillbeidentified.



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A7.4 Procurementoflicensedpackageserviceswillalsoentailprocurementofanyrequired

ImportanttoSafetyreplacementpartsdirectlyfromthepackagecertificateholder,as

applicable.Thecertificateholderwillbecontractuallyrequiredtoprovideanynecessary

certificationdocumentsforpurchasedmaterialandtoprovidetheservicesofqualified

stafftoeitherperformoroverseetheinstallationofanyreplacementparts.Thecertificate

holderwillperformsuchactivitiesunderthecontrolofcertifiedproceduresandin

accordancewiththecertificateholdersNRCapprovedQAProgram.Documentationof

theperformanceoftheseactivitieswillbeprovidedtoTMI-2Solutionsforretentionin

projectfiles.



A8.0 INSTRUCTIONS,PROCEDURES,ANDDRAWINGS(10CFR71.111)



A8.1 ActivitiesthatareImportanttoSafetywillbeprescribedbydocumentedinstructions,

procedure,ordrawingsofatypeappropriatetothecircumstances.Theseinstructions,

procedures,ordrawingsshallbefollowedandcompliedwithverbatimforallactivities

performedatThreeMileIslandUnit2.ProcedurespreparedbyTMI-2Solutionsshallbe

written,reviewed,andapprovedinaccordancewithadministrativeproceduresineffect

forThreeMileIslandUnit2.Administrativeprogramproceduresshallidentifythe

approvingorganizationforinstructionsandproceduresandshallrequirethatchangesto

approvedproceduresbereviewedandapprovedbythesameorganizationsthatapproved

theoriginaldocument.Whenappropriate,TMI-2Solutionswillinvoketheuseof

certificateholderproceduresthathavebeenprepared,reviewed,andapprovedin

accordancewiththecertificateholdersNRCapprovedQAProgram.Instructions,

procedures,anddrawingsshallcontainsufficientquantitativeandqualitativeacceptance

criteriatoallowdeterminationthatactivitiesprescribedhavebeensatisfactorily

accomplished.Therequirementsforpreparation,review,independentreview,and

approvalofinstructions,procedures,anddrawingsspecifiedinthebase

DecommissioningQualityAssurancePlanshallalsoapplyto10CFR71related

activities.



A8.2 Ifrepair,rework,ormaintenanceisrequiredtobeperformedonanNRCLicensed

transportationpackageattheThreeMileIslandfacility,theworkwillbeperformedeither

byorunderthedirectsupervisionofqualifiedcertificateholdersstaff.Suchworkwillbe

performedinaccordancewithwrittenproceduresthathavebeenprepared,reviewed,and

approvedinaccordancewiththerequirementsofthecertificateholdersNRCapproved

QAProgram.Theworkwillbecoordinatedwithcertificateholder'squalityassurance

personneltoensurethatappropriateinspectionandtestpointsareincorporatedinthe

procedureandthateffectiverepairsorreworkhavebeensatisfactorilyperformed.



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A9.0 DOCUMENTCONTROL(10CFR71.113)



A9.1 Proceduresshallbeineffecttocontroltheissuanceofdocumentssuchasinstructions,

procedures,anddrawings,andchangesthereto.Therequirementsforreview,approval,

release,distribution,andusespecifiedinthebaseDecommissioningQualityAssurance

Planshallalsoapplyto10CFR71relatedactivities.





A9.2 Documentspreparedbycertificateholdersshallbepreparedandissuedinaccordance

withthecertificateholder'sNRCapprovedQualityAssuranceProgram.Certificate

holderdocumentsusedattheThreeMileIslandfacilityshallbeprocessedinsucha

mannerthatTMI-2Solutionsstaffandtheircontractorstaffareoncontrolleddistribution

forsuchdocuments,andthereisanestablishedmethodforsitestafftoverifythatthe

documentsinusearecurrentandproperlyapproved.



A10.0 CONTROLOFPURCHASEDMATERIAL,EQUIPMENT,ANDSERVICES



(10CFR71.115)



ProcedureswillbeineffecttoverifythatpurchasedImportanttoSafetymaterial,equipment,and

services,whetherpurchaseddirectlyorthroughcontractorsandsubcontractors,conformstothe

requirementsspecifiedintheprocurementdocuments.Theprocedureswillincludeprovisions,as

appropriate,forsupplierevaluationandselection,review,andacceptanceofobjectiveevidence

ofqualityfurnishedbythesupplier,sourcesurveillanceandinspection,andreceiptinspection

upondelivery,asappropriate.Theprocessesshalluseagradedapproachapplyingconsiderations

ofamaterial's,component'sorservicesimportancetosafety,complexity,andhistoryof

previoususe.Applyingthegradedapproach,theprocurementdocumentsmayalsorequireTMI-2Solutionsreviewandapprovalofcontractorandsubcontractordrawings,procedures,

manufacturingplans,andQualityAssurancePlansasneeded.



A10.1 WhenprocurementdocumentsrequireimplementationofaQAprogramcompliantwith

10CFR71,SubpartH,theadequacyofsupplier'sQAprogramshallbeverifiedand,if

appropriate,thesuppliersadherencetotheirapprovedQAprogramshallbeverified.

Thismaybeaccomplishedbydirectauditofthesupplier,in-processsurveillanceofthe

supplier'sdocumentedprogram,orbyreviewofaudithistoryperformedby

EnergySolutionsoranapprovedthird-partysource.Effectivenessofthecontrolofquality

bycontractorsandsubcontractorswillbeassessedatintervalsconsistentwiththe

importance,complexity,quantityoftheproductorservices,andperformancehistory.



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A10.2 Documentaryevidencethatthematerial,equipmentandservicesconformtothe

procurementdocuments,includingidentificationofthespecificrequirementsmetbythe

purchasedmaterial,equipmentandservices,shallbeverifiedandavailablepriorto

installationoruseoftheitemorservice.Theserecordsshallberetainedforthelifeofthe

transportationpackagetowhichitappliesinaccordancewithSectionA20.0ofthis

Appendix.



A10.3 Fortransportationpackages,suchdocumentationshouldbereferencedinthecertificate

ofcompliances,relatetotheuseandmaintenanceofthepackage,andidentifythe

necessaryactionstobetakenpriortodeliveryofthepackagetoacarrierfor

transportation.



A11.0 IDENTIFICATIONANDCONTROLOFMATERIALS,PARTS,AND

COMPONENTS(10CFR71.117)



A11.1 IdentificationandcontrolofImportanttoSafetymaterials,parts,andcomponentsduring

fabricationoftransportationcomponentswillbeperformedbythecontractorsand

subcontractorsunderthecontrolsofthecertificateholdersNRCapprovedQAprograms.

Thesesamecontrolsmaybeextendedtoinstallationanduse,asapplicable,when

includedinthecontractorsorsubcontractorsscopeofservices.



A11.2 TMI-2Solutionsuseofcertificateholdersuppliedcomponentswillbecontrolledto

ensurethatthecomponentsuniqueidentification(serialnumberorotherappropriate

identifier)ismaintainedontheitemoronrecordstraceabletotheitemthroughout

installationanduse.Theuniqueidentificationshallbeverifiedandtraceabletothe

documentaryevidenceofconformanceaddressedinSectionA10.0ofthisAppendix.

Verificationshallalsoincludeconformanceofthecomponentsuniqueidentificationto

designdocumentsand/orCertificateofConformance,asapplicable,topreventtheuseof

incorrectcomponents.



A11.3 Replacementpartsforcomponentswillcontrolledinthesamemannerasdescribedabove

forcomponents,andwillincludemeasurestoprecludeuseofitemswhoseshelflifeor

operationtimeshaveexpired.



A11.4 Nonconformingmaterial,parts,andcomponentswillbeidentifiedandsegregatedto

preventtheuseofincorrectordefectiveitemsinaccordancewithSectionA18.0ofthis

Appendix.



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A12.0 CONTROLOFSPECIALPROCESSES(10CFR71.119)



Specialprocesscontrolsfortransportationpackagingwillbesubcontractedtotherespective

certificateholders.Thoseprocesseswillbecontrolledbythecertificateholderandwillbe

performedinaccordancewiththerequirementsofthecertificateholdersNRCapprovedQA

ProgramandnotperformedbyTMI-2Solutions.



A13.0 INSPECTION(10CFR71.121)



A13.1 InspectionofImportanttoSafetytransportationmaterials,parts,components,and

systemsduringfabricationwillbeperformedbythecontractorsandsubcontractorsunder

thecontrolsofthecertificateholdersNRCapprovedQAprograms.Thesesamecontrols

maybeextendedtoinstallationanduse,asapplicable,whenincludedinthecontractors

orsubcontractorsscopeofservices.



A13.2 Appropriateinspectionsforfabrication,installation,oruseofImportanttoSafetySSC

performedbyTMI-2Solutions,itscontractors,orsubcontractorsinaccordancewiththis

plan,willbeperformedtoverifyconformancewiththedocumentedinstructions,

procedures,anddrawingsforaccomplishingtheactivity.Thefrequencyanddegreeof

inspectionshallbedeterminedthroughapplicationofthegradedapproachconsidering

thesafetysignificanceandcomplexityoftheSSCoractivity.



a. Inspectionrequirementswillbeprescribedinproceduresorworkcontroldocuments

controllingtheactivity.Inspectionplanningwillbeperformedtoidentify:

  •  Applicableinstructions,proceduresanddrawingsrequiredforthescopeofthe

inspection;

  •  Characteristicsandactivitiestobeinspected;
  •  Appropriateworkoperationsrequiringexaminations,measurements,ortests

wherenecessarytoassurequality,includingrequiredholdpoints;

  •  Prerequisitesforperformingtheinspections,includinganyspecialequipment

requiredtoperformtheinspection;

  •  Inspectiontechnique/method;and
  •  Acceptancecriteriaandtolerancesspecifiedinapplicabledesigndocuments,

procedures,orapprovedvendordocuments.



b. Whendirectinspectionisnotpossibleorpractical,alternatemethodsshallbe

implemented.Thesemayincludereviewofprocesses,equipment,andpersonnel

qualification,andmonitoringoftheprocessparametersoractivity.Acombinationof

directandindirectmethodsshallbeusedwhenonemethodaloneisnotadequateor

sufficienttodeterminecompliancewithapplicableacceptancecriteria.



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10CFR71SUBPARTHQUALITYASSURANCEPLAN







A13.3 Ifmandatoryinspectionholdpointsaretobeestablished,whichrequirewitnessingor

inspectionandbeyondwhichworkshallnotproceedwithoutpriorconsentarerequired,

thespecificholdpointsshallbeindicatedintheworkcontroldocumentsandthework

controldocumentsshallbereviewedpriortoimplementationbytheorganizationrequired

toperformtheinspection.



A13.4 Inspectionsshallbeperformedbyindividualsotherthanthosewhoperformedtheactivity

beinginspected.Procedureswillbeineffecttoensurethatinspectorsarequalifiedin

accordancewithapplicablecodes,standards,andTMI-2Solutionstrainingprograms,

andthatqualificationsandcertificationsofinspectionpersonnelarekeptcurrent.



A13.5 VisualinspectionsbydesignatedpersonnelwillbeperformeduponreceiptofImportant

toSafetytransportationpackagingtoensurecompliancewithprocurement

documentation.Thecriteriaforacceptanceofeachoftheseinspectionsandactiontobe

takenifnoncomplianceisencounteredwillbespecifiedinwrittendocumentsconforming

totheVendor'sCaskManual.



a. Thesevisualinspectionsshouldincludeaninspectionofthefollowing:



  •  Surfaceconditions
  •  Weldandstructuralintegrity
  •  Conditionofflangeorsealingfaces
  •  Gauges,rupturedisks,valves,pressurereliefdevices
  •  Conditionoftie-downmembers
  •  Labelingandmarking
  •  Leak-tightnessofthepackaging



b. Finalinspectionswillbeperformedwithachecklisttoverifyasaminimumthatthe

followingitemsarecompliedwith:



  •  Transportationpackagesareproperlyassembled
  •  Allshippingpapersareproperlycompleted
  •  Transportationpackagesareconspicuouslyanddurablymarkedasrequiredby

DOTregulations.

  •  IndividualsdesignatedbyTMI-2SolutionsManagementhavegivenauthorization

forshipmentofthetransportationpackage.



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10CFR71SUBPARTHQUALITYASSURANCEPLAN







c. Theinspectionprogramshallensureadequatemaintenanceofpackages.The

certificateholderofthetransportationpackageshallidentifyallitemstobe

maintained,criteriaforacceptabilityorreplacement,andthefrequenciesofinspection

assignedtoeachitemduringuseofthetransportationpackage.



A14.0 TESTCONTROL(10CFR71.123)



A14.1 TestingofImportanttoSafetytransportationmaterials,parts,components,andsystems

duringfabricationwillbeperformedunderthecontrolsofthecertificateholdersNRC

approvedQAprograms.Thesesamecontrolsmaybeextendedtoinstallationanduse,as

applicable,whenincludedinthecontractorsorsubcontractorsscopeofservices.



A14.2 TestingofImportanttoSafetystructures,systemsandcomponentsperformedbyTMI-2

Solutions,itscontractors,orsubcontractorsinaccordancewiththisplan,willbe

performedunderatestprogramthatwilldemonstratethattheitemswillperform

satisfactorilyinservice.Thetestingwillbeidentifiedandperformedinaccordancewith

writtentestplansthatincorporaterequirementsandacceptancelimitsintheCertificateof

Compliance.



a. Testrequirementswillbeprescribedintestplansthatareincorporatedinto

proceduresorworkcontroldocumentscontrollingtheactivity.Testplanswillinclude

provisionstoensure:



  •  Allprerequisitesforthegiventestarespecified(suitableenvironmentaltesting

conditions,testinstrumentationisavailableandused,personnelqualifications);

  •  Sufficientinstructionfortheperformanceofthetest,acceptance/rejectioncriteria

andlimits;and

  •  Testresultsaredocumentedandevaluatedtoensurethattheacceptancecriteria

hasbeensatisfied



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A14.3 Thetransportationpackagecertificateholdershallprovideforatestprogramto

demonstratethatpackagingcomponentswillperformsatisfactorilyinservice.Thetesting

willbeidentifiedandperformedinaccordancewithwrittentestproceduresthatare

prepared,reviewed,andapprovedinaccordancewiththecertificateholdersNRC

approvedQAProgram.



a. Thesewrittenprocedureswillincorporatetheacceptancelimitscontainedinthe

packageapproval,provisionsforassuringthatallprerequisitesforagiventesthave

beenmet,thatadequatetestinstrumentationisavailableandusedandthatthetestis

performedundersuitableenvironmentalconditions.Testresultsshallbedocumented

andevaluatedtoassurethattestrequirementshavebeensatisfiedpriortodelivering

packagesfortransporttoacarrier.Thefollowingitemsshallbeincludedintypical

tests:



  •  Structuralintegrity
  •  Leaktightnessofthepackage,gaskets,andseals
  •  Shieldingintegrity



b. RecordsoftestsshallberetainedintheProjectfiles.



A15.0 CONTROLOFMEASURINGANDTESTEQUIPMENT(10CFR71.125)



A15.1 Controlofmeasuringandtestequipment(M&TE)usedinactivitiesaffectingImportant

toSafetytransportationmaterials,parts,components,andsystemsduringfabricationwill

beperformedbythecontractorsandsubcontractorsunderthecontrolsofthecertificate

holdersNRCapprovedQAprograms.Thesesamecontrolsmaybeextendedto

installationanduse,asapplicable,whenincludedinthecontractorsorsubcontractors

scopeofservices.



A15.2 M&TEusedinactivitiesaffectingImportanttoSafetystructures,systems,and

componentsbyTMI-2Solutions,itscontractors,orsubcontractorsinaccordancewith

thisplan,willbecontrolledunderanM&TEprogram.Writtenprocedureswillbe

establishedrequiringthatallinstruments,gauges,andothermeasuringandtesting

devicesareproperlycontrolled,calibrated(ifnecessary),andadjustedatspecifictimesto

maintainaccuracywithinnecessarylimits.ThisincludesM&TEusedformaintenanceof

ImportanttoSafetyitems.M&TEwillbetaggedorlabeledtoindicatethelastcalibration

dateandthecalibrationduedate.Allcalibrationtestdatashallbemaintainedwithproject

recordsorwillbereadilytraceabletovendorsrecords.



WhenM&TEisfoundtobeoutofcalibration,thevalidityofpreviousinspections,tests,

andcalibrationswheretheitemhadbeenusedsinceitslastcalibrationshallbeevaluated.

Suchevaluationsshallbedocumentedandcorrectiveactionsshallbetaken,asnecessary.



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APPENDIXA



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A16.0 HANDLING,STORAGE,ANDSHIPPINGCONTROL(10CFR71.127)



A16.1 Handling,storage,andshippingcontrolsforImportanttoSafetytransportationmaterials,

parts,components,andsystemsduringfabricationwillbeperformedbythecontractors

andsubcontractorsunderthecontrolsofthecertificateholdersNRCapprovedQA

programs.Thesesamecontrolsmaybeextendedtoinstallationanduse,asapplicable,

whenincludedinthecontractorsorsubcontractorsscopeofservices.



A16.2 Handling,storage,andshippingcontrolsforImportanttoSafetytransportationmaterials,

parts,components,systems,andstructuresbyTMI-2Solutions,itscontractors,or

subcontractorsinaccordancewiththisplan,willbecontrolledbywrittenprocedures.

Theseprocedureswillestablishmeasuresthatwillcontrolthehandling,storage,shipping,

cleaning,andpreservationofmaterialsandequipmenttopreventdamageordeterioration

andtoensureadherencetoanyspecificconditionsidentifiedinthecertificateholders

certificateofcompliance.Whennecessaryforparticularitems,specialprotective

environments,suchasinertgasatmosphere,andspecifichumidityandtemperaturelimits

mustbespecifiedandprovided.



a. Thefollowingadditionalmeasureswillbetakenwhenhandlingandstoring

transportationpackages:



  •  Ifapackagerequiresspecialhandlingandliftingequipmentsuchequipmentwill

beprovidedbyorspecifiedbythecertificateholderandwillbedocumentedin

thecertificateholdershandlingproceduressuppliedwiththepackage.Site

personnelwillreviewandverifythatappropriatecertificationdocumentsare

providedpriortotheuseofsuchspecialliftingequipment.

  •  Specialhandlingorstorageprovisionsforpackageswillbeasspecifiedinthe

certificateholdersNRCapprovedQAProgramandcontrolledcaskmanuals.

Controlleddistributioncopiesofthesedocumentswillbeprovidedtothesite,will

beverifiedcurrent,andwillbeusedbysitepersonnel.

  •  Specialprotectiveenvironmentswillbeverifiedandmonitoredatthesitewhere

required.

  •  Allconditionsidentifiedinacertificateofcompliancewhenunloadingpackaging

willbeadheredto.Thiswillbecontrolledbywritteninstructionsandprocedures

thatwillimplementtheserequirementsasspecifiedinthecontrolleddistribution

copiesofthecertificatesofcomplianceandcaskmanualsprovidedbythe

certificateholder.



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A16.3 Whenpreparingatransportationpackageforshipmentthefollowingapplicablemeasures

willbetaken:



a. Specifiedoperations,inspections,andtestswillbecompletedonsiteinaccordance

withcertificateholdersdocumentsanddocumentaryevidenceoftheircompletion

retainedinprojectfiles.

b. NRCandDOTrequirementswillbeverifiedtohavebeensatisfiedpriortodelivery

toacarrier.

c. Necessaryshippingpaperswillbepreparedandapprovedpriortodeliveryofpackage

toacarrier.



A17.0 INSPECTION,TESTANDOPERATINGSTATUS(10CFR71.129)



A17.1 Inspection,test,andoperatingstatusforImportanttoSafetytransportationmaterials,

parts,components,andsystemsduringfabricationwillbecontrolledbythecontractors

andsubcontractorsunderthecontrolsofthecertificateholdersNRCapprovedQA

programs.Thesesamecontrolsmaybeextendedtoinstallationanduse,asapplicable,

whenincludedinthecontractorsorsubcontractorsscopeofservices.



A17.2 Inspection,test,andoperatingstatusforImportanttoSafetyitemsofpackagingbyTMI-2Solutions,itscontractors,orsubcontractorsinaccordancewiththisplan,willbe

controlledbywrittenprocedures.



a. Theprocedureswillrequirethestatusofinspectionsandteststobeindicatedby

theuseofmarkingssuchasstamps,tags,labels,checklists,writtentraveler

documents,orothersuitablemeansthatprovidefortheidentificationofitemsthat

havesatisfactorilypassedrequiredinspectionsandtests.



b. Additionally,theprocedureswillrequiretheidentificationoftheoperatingstatus

ofcomponentsofthepackagingsuchastaggingvalves.

c. Applicationandremovalofsuchstatusindicatorsshallbespecifiedand

controlledwherenecessarytoprecludeinadvertentby-passingofsuchinspections

andtests,andtopreventinadvertentoperation.



A18.0 CONTROLOFNONCONFORMINGMATERIALS,PARTS,ORCOMPONENTS

(10CFR71.131)



ProceduresshallbeineffecttocontrolnonconformingImportanttoSafetymaterials,parts,and

componentsinordertopreventinadvertentuseorinstallation.Therequirementsspecifiedforthe

controlofnonconformingmaterials,partsorcomponentsinthebaseDecommissioningQuality

AssurancePlanshallalsoapplyto10CFR71relatedactivities.





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Nonconformingitemswillbesegregatedandlabeledinsuchamannertopreventinadvertentuse

untilproperdispositioniscompleted.Nonconformingitemsshallbereviewedandaccepted,

rejected,repaired,orreworkedinaccordancewithdocumentedprocedures.Theacceptabilityof

nonconformingitemsafterdesignatedrepairorreworkwillbeverifiedbydesignatedpersonnel

byre-inspectingorretestingtheitemagainsttheoriginalrequirements.Affectedorganizations

willbenotifiedofthestatusofnonconformingitems.Recordsofsuchinspections,evaluations,

andre-inspectionsanddispositionwillberetainedinprojectfiles.



Nonconformingconditionswillbeevaluatedandreportedinaccordancewith10CFR21and

10CFR71.95.



A19.0 CORRECTIVEACTION(10CFR71.133)



Procedureswillbeineffectandimplementedtoensurethatconditionsadversetoquality,suchas

failures,malfunctions,deficiencies,deviations,defectsinmaterialandequipment,and

nonconformancesarepromptlyidentifiedandcorrected.Inthecaseofasignificantcondition

adversetoquality,theproceduresshallensurethatthecauseoftheconditionisdeterminedand

correctiveactiontakentoprecluderepetition.Theidentificationofthesignificantcondition

adversetoquality,thecauseofthecondition,andthecorrectiveactiontakenshallbe

documentedandreportedtoappropriatelevelsofmanagementforreview.



Conditionsadversetoqualitywillbeevaluatedandreportedinaccordancewith10CFR21and

10CFR71.95.



A20.0 QUALITYASSURANCERECORDS(10CFR71.135)



A20.1 SufficientwrittenrecordsshallbemaintainedtofurnishevidencethatImportanttoSafety

activitieshavebeenperformedinaccordancewiththewritteninstructions,procedures,

anddrawings.



a. Therecordsshallincludethefollowing:



  • 

ChangestothequalityassuranceprogramasrequiredbySectionA5.0ofthis

Appendix

  • 

Instructions,procedures,anddrawingsrequiredbySectionA8.0ofthis

Appendixtoprescribequalityassuranceactivities,andcloselyrelateddatasuch

asrequiredqualificationsofpersonnel,procedures,andequipment

  • 

Instructionsorproceduresthatestablisharecordsretentionprogramthatis

consistentwithapplicableregulationsanddesignatesfactorssuchasduration,

location,andassignedresponsibility

  • 

Design,fabrication,erection,testing,andmaintenancerecords

  • 

Recordsofuse



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APPENDIXA



10CFR71SUBPARTHQUALITYASSURANCEPLAN





  • 

Resultsofreviews,inspections,tests,audits,monitoringofworkperformance,

andmaterialanalysis

  • 

Maintenancerecords

  • 

Deliveryofpackagetoacarrier(includingproofthatapplicableNRCandDOT

requirementshavebeensatisfied).



A20.2 Theserecordsshallbeidentifiableandretrievableandshalldocument,whenapplicable,

theidentificationoftheindividualgeneratingthedocumentorthedatarecorder,thetype

ofobservation,theresults,theacceptability,andtheactiontakeninconnectionwithany

deficienciesnoted.



a. Recordsofcalibrationofmeasuringandtestequipmentandinstrumentationwithin

thescopeofthisAppendixshallcontain,orbetraceableto,documentaryevidenceof

traceabilitytonationalstandards.



A20.3 Recordsstoredforretentionshallbeprotectedfromdamageordeteriorationfrom

environmentalandcatastrophiceventsthrougheitherprotectedstorageareasordevices

orseparateduplicatefilestoragemethods.



A20.4 Shippingrecordsrequiredby10CFR71and49CFRshallbemaintainedbythe

shipper/licenseeforradioactivematerialandcopieswillbemaintainedbytheprojectin

anauditableandretrievablemannerinthefiles.



A20.5 RecordsRetention



a. RecordsidentifiedinSectionA20.1ofthisAppendixrelatedtoImportanttoSafety

transportationpackagesshallberetainedforaminimumof3yearsbeyondthedate

whenthelicensee,certificateholderlastengageintheactivityforwhichthequality

assuranceprogramwasdeveloped.Anyportionsofthequalityassuranceprogram,

writtenproceduresorinstructionsthataresupersededshallberetainedforaminimum

of3yearsafteritissuperseded.



  •  Norepairsormodificationstolicensedtransportationpackageswillbeperformed

byTMI-2Solutions.Theseactivitieswillbeperformedonlyunderthedirect

controlofthecertificateholderandanyrequiredrecordsoftheseactivitieswillbe

maintainedbythecertificateholderinaccordancewiththecertificateholders

NRCapprovedQAProgram.



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A21.0 AUDITS(10CFR71.137)



Proceduresshallbeineffecttoensurethatacomprehensivesystemforplannedandperiodic

auditstoverifycompliancewithallaspectsofthisAppendixandtodeterminetheeffectiveness

oftheprogramarecarriedout.Therequirementsforplanning,conduct,review,andfollow-upof

auditsspecifiedinthebaseDecommissioningQualityAssurancePlanshallalsoapplyto10CFR

71relatedactivities.



A21.1 TheseauditsshallbeperformedinaccordancewiththisAppendixandshallbeperformed

atthefollowingfrequencies:



a. Foractivitiessubjecttotherequirementsof10CFR71,SubpartH,thefrequencyof

auditsshouldbebasedoneachactivitysimportancetosafety;however,eachquality

criterionshouldbeauditedatleastonceeachyear.





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APPENDIXB



REPORTINGREQUIREMENTS





ThisAppendixtotheDecommissioningQualityAssurancePlanaddressestherequirements

previouslycontainedinSection6.8oftheTechnicalSpecificationsoftheNRCLicenseNumber

DPR-73thatweretransferredtoRevision20ofthisplaninaccordancewithLicenseAmendment

67.ThisAppendixappliestoTMI-2SolutionsandTMI-2Solutionscontractorsforreporting

requirements.



B.1

RoutineReports(FormerlyTechnicalSpecification6.8.1)



InadditiontotheapplicablereportingrequirementsofTitle10,CodeofFederal

Regulations,thefollowingreportsshallbeinaccordancewith10CFR50.4unless

otherwisenoted.SomeofthereportingrequirementsofTitle10,CodeofFederal

Regulationsarerepeatedbelow.



B.1.1 AnnualRadiologicalEnvironmentalOperatingReport(FormerlyTechnical

Specification6.8.1.1)



TheAnnualRadiologicalEnvironmentalOperatingReportcoveringtheoperation

ofthefacilityduringthepreviouscalendaryearshallbesubmittedbeforeMay1

ofeachyear.Thereportshallincludesummaries,interpretations,andanalysisof

trendsoftheresultsoftheRadiologicalEnvironmentalMonitoringProgramfor

thereportingperiod.Thematerialprovidedshallbeconsistentwiththeobjectives

outlinedin(1)theODCMand(2)SectionsIV.B.2,IV.B.3,andIV.CofAppendix

Ito10CFRPart50.



B.1.2 BiennialReports(FormerlyTechnicalSpecification6.8.1.4)



A. Reportsrequiredonabiennialbasisshallbesubmittedonafrequencynotto

exceedonceeverytwoyears(24months).Thereportsshallcoverthe

activitiesofthefacilityasdescribedbelowuptoaminimumof6months

priortothedateofthefiling.



B. Reportsrequiredonabiennialbasisshallinclude:



1. AllchangestothePDMSSARduringthepreviousupdateandallchanges

totheDecommissioningSARthereafter.



2. Allchanges,tests,orexperimentsmeetingtherequirementsof10CFR

50.59.



B.2

SpecialReports(FormerlyTechnicalSpecification6.8.2)



Specialreportsshallbesubmittedinaccordancewith10CFR50.4withinthetimeperiod

specifiedforeachreport.



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APPENDIXB



REPORTINGREQUIREMENTS







B.3

NonroutineReports(FormerlyTechnicalSpecification6.8.3)



AreportshallbesubmittedintheeventthatanExceptionalOccurrenceasspecifiedin

B.4ofthisAppendixoccurs.Thereportshallbesubmittedunderoneofthereport

schedulesdescribedbelow.



B.3.1 PromptReports(FormerlyTechnicalSpecification6.8.3.1)



Thoseeventsspecifiedaspromptreportoccurrencesshallbereportedwithin24

hoursbytelephone,telegraph,orfacsimiletransmissiontotheNRCfollowedbya

writtenreporttotheNRCwithin30days.



B.3.2 ThirtyDayEventReports(FormerlyTechnicalSpecification6.8.3.2)



Nonroutineeventsnotrequiringapromptreport,asdescribedinB.3.1ofthis

Appendix,shallbereportedtotheNRCeitherwithin30daysoftheiroccurrence

orwithinthetimelimitspecifiedbythereportingrequirementofthe

correspondingcertificationorpermitissuedpursuanttoSections401or402ofPL

92-500,theFederalWaterPollutionControlAct(FWPCA)Amendmentof1972,

whichevertimedurationfollowingthenonroutineeventshallresultintheearlier

submittal.



B.3.3 ContentofNonroutineReports(FormerlyTechnicalSpecification6.8.3.3)



Written30-dayreportsand,totheextentpossible,thepreliminarytelephone,

telegraph,orfacsimilereportsshall(a)describe,analyze,andevaluatethe

occurrence,includingextentandmagnitudeoftheimpact,(b)describethecause

oftheoccurrence,and(c)indicatethecorrectiveaction(includinganysignificant

changesmadeinprocedures)takentoprecluderepetitionoftheoccurrenceandto

preventsimilaroccurrencesinvolvingsimilarcomponentsorsystems.



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APPENDIXB



REPORTINGREQUIREMENTS







B.4

ExceptionalOccurrences(FormerlyTechnicalSpecification6.13)



B.4.1 UnusualorImportantEnvironmentalEvents(FormerlyTechnicalSpecification

6.13.1)





Anyoccurrenceofanunusualorimportanteventthatcausesorcouldpotentially

causesignificantenvironmentalimpactcausallyrelatedwithstationoperation

shallberecordedandreportedtotheNRCperB.3.1ofthisAppendix.The

followingareexamplesofsuchevents:excessivebirdimpactioneventson

coolingtowerstructuresormeteorologicaltowers(i.e.,morethan100inanyone

day);onsiteplantoranimaldiseaseoutbreaks;unusualmortalityofanyspecies

protectedbytheEndangeredSpeciesActof1973;fishkillsnearordownstream

ofthesite.





B.4.2 ExceedingLimitsofRelevantPermits(FormerlyTechnicalSpecification6.13.2)



Anyoccurrenceofexceedingthelimitsspecifiedinrelevantpermitsand

certificatesissuedbyotherFederalandStateagencieswhicharereportabletothe

agencywhichissuedthepermitshallbereportedtotheNRCinaccordancewith

theprovisionsofB.3.2ofthisAppendix.Thisrequirementshallapplyonlyto

topicsofNationalEnvironmentalPolicyAct(NEPA)concernwithinthe

requirementsoftheStationNPDESpermitasrelatedtoThreeMileIslandUnit2

discharges.