ML19150A486

Revision 28 to Updated Final Safety Analysis Report, Chapter 12, Table of Contents

ML19150A486
Person / Time
Site:	Ginna
Issue date:	05/10/2019
From:	Exelon Generation Co
To:	Office of Nuclear Reactor Regulation
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GINNA/UFSAR 12 RADIATION PROTECTION 1 12.1 ENSURING THAT OCCUPATIONAL RADIATION EXPOSURES 2 ARE AS LOW AS IS REASONABLY ACHIEVABLE 12.1.1 ALARA PROGRAM 2 12.1.2 ORGANIZATIONAL RESPONSIBILITIES 2 12.1.3 RADIATION PROTECTION PROGRAM 2 12.2 RADIATION SOURCES 3 Table 12.2-1 SHIELDING SOURCE TERMS (T=0) (HISTORICAL) 6 Table 12.2-2 SHIELDING SOURCE ACTIVITY at T=0 hrs - Power Level 1811 10 MWt 12.3 RADIATION PROTECTION DESIGN FEATURES 16 12.3.1 DESIGN CRITERIA 16 12.3.1.1 Conformance to 1967 Design Criteria 16 12.3.1.2 Conformance to 1972 Design Criteria 16 12.3.2 SHIELDING 17 12.3.2.1 Design Basis 17 12.3.2.2 Shielding Design 19 12.3.2.2.1 Primary Shield 19 12.3.2.2.2 Secondary Shield 19 12.3.2.2.3 Containment Structure 20 12.3.2.2.4 Fuel Handling (Water and Pool) Shield 20 12.3.2.2.5 Auxiliary Shielding 21 12.3.2.2.6 Shielding Design Modifications 21 12.3.2.2.7 Containment Accessibility Procedure 22 12.3.3 VENTILATION 22 12.3.3.1 Gas Collection and Decay Tank System 23 12.3.3.2 Plant Ventilation System 23 12.3.3.3 Containment Ventilation System 24 12.3.3.4 Air Ejector and Gland Seal Exhaust System 24 12.3.4 AREA RADIATION AND AIRBORNE RADIOACTIVITY MONI- 24 TORING INSTRUMENTATION 12.3.4.1 Introduction 24 Page 1 of 3 Revision 28 5/2019

GINNA/UFSAR 12.3.4.2 Description 25 12.3.4.3 Radiation Monitoring System Detectors 26 12.3.5 EQUIPMENT AND SYSTEM DECONTAMINATION 27 12.3.5.1 Design Basis 27 12.3.5.2 Methods of Decontamination 27 12.3.5.3 Decontamination Facilities 27 Table 12.3-1 PLANT ZONE CLASSIFICATIONS 30 Table 12.3-2a PRIMARY SHIELD NEUTRON FLUXES AND DESIGN PARAME- 31 TERS - CALCULATED NEUTRON FLUXES (HISTORICAL)

Table 12.3-2b PRIMARY SHIELD NEUTRON FLUXES AND DESIGN PARAME- 32 TERS - DESIGN PARAMETERS (HISTORICAL)

Table 12.3-3 SECONDARY SHIELD DESIGN PARAMETERS (HISTORICAL) 33 Table 12.3-4 CONTAINMENT STRUCTURE DESIGN PARAMETERS (HISTOR- 34 ICAL)

Table 12.3-5 REFUELING CANAL AND SPENT FUEL POOL DESIGN PARAM- 35 ETERS (HISTORICAL)

Table 12.3-6 PRINCIPAL AUXILIARY SHIELDING (HISTORICAL) 36 12.4 DOSE ASSESSMENT 37 12.4.1 OPERATION IN MODES 1 AND 2 37 12.4.2 FUEL HANDLING OPERATIONS 37 12.4.3 POSTACCIDENT CONDITIONS 38 12.4.3.1 Summary 38 12.4.3.2 Methodology 39 12.4.3.2.1 Calculation of Dose Rates 39 12.4.3.2.2 Doses to Personnel During Postaccident Access to Vital Areas 39 12.4.3.3 Areas That May Require Access for Postaccident Operations 40 12.4.3.3.1 Hydrogen Recombiner Control Panel (Area A) 40 12.4.3.3.2 Postaccident Containment Air Sample Penetration No. 203 (Area B) 40 12.4.3.3.3 Nuclear Sample Room (Area C) 40 12.4.3.3.4 Primary Chemistry Laboratory (Area D) 41 12.4.3.3.5 Count Room (Area E) 41 12.4.3.3.6 Postaccident Containment Sample Penetration No. 305 (Area F) 41 12.4.3.3.7 Radwaste Control Panel (Area G) 41 12.4.3.3.8 Safeguards Bus 16 (Area H) 41 Page 2 of 3 Revision 28 5/2019

GINNA/UFSAR 12.4.3.3.9 Safeguards Bus 14 (Area I) 42 12.4.3.3.10 Postaccident Containment Air Sample Penetration (Area J) 42 12.4.3.3.11 Auxiliary Building Heating, Ventilation, and Air Conditioning (Area 43 K) 12.4.3.3.12 Spent Fuel Pool (SFP) and Auxiliary Building Heating, Ventilation, 43 and Air Conditioning Filters (Area L and Area M) 12.4.3.3.13 Control Access High Efficiency Particulate Air and Charcoal Filters 43 (Area N) 12.4.3.3.14 Control Room 43 12.4.3.3.15 Control Room 43 Table 12.4-1 RADIATION MONITORING SYSTEM READINGS (1983) 45 Table 12.4-2 RADIATION SURVEY READINGS IN PLANT AREAS (1983) 46 Table 12.4-3 Table DELETED 48 Table 12.4-4 EXPOSURE RATES FOR VITAL AREAS AS A FUNCTION OF 49 TIME (R/hr)

Table 12.4-5 VITAL AREA RADIATION DOSE

SUMMARY

50 12.5 RADIATION PROTECTION PROGRAM ADMINISTRATION 51 12.5.1 ORGANIZATION 51 12.5.2 EXPOSURE CONTROL PROGRAM 51 12.5.2.1 External Exposure 51 12.5.2.2 Internal Exposure 51 12.5.2.3 Respiratory Protection 52 12.5.2.4 Radioactive Sources Control 52 12.5.2.5 Medical Examinations 52 12.5.3 SURVEILLANCE PROGRAM 53 12.5.3.1 Surveys 53 12.5.3.2 Radiation Work Permits 53 12.5.3.3 Access Control, Posting, and Labeling 53 12.5.3.3.1 Restricted Areas 53 12.5.3.3.2 Access Control 53 12.5.3.3.3 Protective Apparel 54 12.5.4 RADIATION PROTECTION FACILITIES AND EQUIPMENT 54 Table 12.5-1 Table DELETED 56 FIGURES Figure 12.5-1 Figure DELETED Page 3 of 3 Revision 28 5/2019