ML13142A228

Updated Final Safety Analysis Report Revised April 2011 Section 3.1

ML13142A228
Person / Time
Site:	San Onofre
Issue date:	04/01/2011
From:	Southern California Edison Co
To:	Billoch-Colon A Plant Licensing Branch II
Billoch-Colon A NRR/DORL/LPL2-2
References
Download: ML13142A228 (46)

Text

San Onofre Nuclear Generating Station, Units 2&3 Updated Final Safety Analysis Report Revised April 2011 Chapter 1.0: Introduction and General Description of the Plant Section 1.3.1 - Comparisons with Similar Facility Designs Section 1.3.2 - Comparison of Final and Preliminary Information Section 1.3.3 - Title 10, CFR, Parts 20, 50, and 100 Evaluation

San Onofre 2&3 FSAR Updated COMPARISON TABLES

1. INTRODUCTION AND GENERAL DESCRIPTION OF PLANT Section 1.3 provides summary information on plant comparisons, design changes since the PSAR submittal and compliance with NRC regulations that exited at the time of licensing. This information was submitted to the NRC in support of initial plant licensing. This section will be updated to identify the current compliance requirements in accordance with 10 CFR 50.71. Information considered to be historical information is not subject to review or periodic updates. Updated information on design and compliance is found throughout the other sections of this UFSAR.

1.3 COMPARISON TABLES 1.3.1 COMPARISONS WITH SIMILAR FACILITY DESIGNS Tables 1.3-1 and 1.3-2 present a summary of the characteristics of the San Onofre Nuclear Generating Station, Units 2 and 3. Table 1.3-1 presents similar reactor core and coolant system data for Arkansas Nuclear One, Unit 2 and Pilgrim Station, Unit 2. Table 1.3-2 presents similar containment system, engineered safety features, and electrical components data for Farley Units 1 and 2, Calvert Cliffs Units 1 and 2, Oconee Units 1, 2, and 3, Palisades Unit 1, and Turkey Point Units 3 and 4.

The Arkansas Unit 2 and Pilgrim Station Unit 2 designs were selected for comparison in table 1.3-1 because of the basic similarity of the reactor core and coolant systems. In addition, Arkansas Unit 2 was selected for comparison because this reactor is nearing completion of its operating license application review with the NRC.

1.3.2 COMPARISON OF FINAL AND PRELIMINARY INFORMATION Table 1.3-3 contains a discussion of all significant changes that have been made in plant design since submittal of the PSAR.

1.3.3 TITLE 10, CFR, PARTS 20, 50, AND 100 EVALUATION Table 1.3-4 contains an evaluation of compliance of the plant against 10 CFR, Parts 20, 50, and 100 as they existed on March 2, 1981. Additional information and updates have been included as required by 10 CFR 50.71(e).

1.3-1 Amended: April 2009 TL: E048002

San Onofre 2&3 FSAR Updated COMPARISON TABLES Table 1.3-1 REACTOR CORE AND COOLANT SYSTEM PARAMETERS (Sheet 1 of 10)

San Onofre Reference Pilgrim Station Item ANO-2 Units 2 and 3 Section Unit 2 Hydraulic and Thermal Design Parameters Rated core heat output, MWt 3,390 (1) 4.4 2,815 3,456 6

Rated core heat output, Btu/h 11,570 10 4.4 9,608 x 106 11,800 x 106 Heat generated in fuel, % 97.5 4.4 97.5 96.5/96 2

System pressure, nominal, lb/in. a 2,250 4.4 2,250 2,250 System pressure, minimum steady state, lb/in.2a 2,200 4.4 2,200 2,200 Hot channel factors, Heat flux, Fq 2.35 2.35 2.35 Enthalpy rise, FH 1.55 4.4 1.57 1.55 DNB ratio at nominal conditions 2.11 (CE-1) 4.4 2.26 (W-3) 2.26 (W-3)

Coolant flow Total flowrate, lb/h 148 x 106 4.4 120.4 x 106 148 x 106 Effective flowrate for heat transfer, lb/h 143.6 x 106 4.4 116.2 x 106 142.8 x 106 Core flow area, ft2 54.7 4.4 44.7 54.8 Average velocity along fuel rods, ft/s 16.4 4.4 16.4 16.5 2 6 Average mass velocity, lb/h-ft 2.63 x 10 4.4 2.60 x 106 2.60 x 106 Coolant temperature, EF Nominal inlet 553 (2) 4.4 553.5 557.5 Notes: 1. Licensed power level subsequently increased to 3438 MWt.

Amended: April 2009 TL: E048002

2. RCS original specified value is shown. RCS operating temperatures have been lowered to reduce steam generator tube failure rate due to stress corrosion cracking. As such, these RCS values are different than originally specified. Lower RCS operating temperatures are shown in Section 5.1.

1.3-2

San Onofre 2&3 FSAR Updated COMPARISON TABLES Table 1.3-1 REACTOR CORE AND COOLANT SYSTEM PARAMETERS (Sheet 2 of 10)

San Onofre Reference Pilgrim Station Item ANO-2 Units 2 and 3 Section Unit 2 Hydraulic and Thermal Design Parameters (cont)

Design inlet 556 4.4 556.5 560.5 Average rise in vessel 58 (2) 4.4 58.5 58.3 Average rise in core 60 (2) 4.4 60.5 60.3 Average in core 583 (2) 4.4 583.75 588 Average in vessel 582 (2) 4.4 582.75 587 Nominal outlet of hot channel 642 (2) 4.4 652.6 651.4 2

Average film coefficient, Btu/h-ft -F 6,200 4.4 6,200 6,200 Average film temperature difference, EF 29 4.4 31 30 Heat transfer at 100% power Active heat transfer surface area, ft2 63,000 4.4 51,000 62,000 2

Average heat flux, Btu/h-ft 178,900 4.4 185,000 184,000 Maximum heat flux, Btu/h-ft2 420,000 4.4 433,800 429,900 Average thermal output, kW/ft 5.23 4.4 5.41 5.39 Maximum thermal output, kW/ft 12.3 4.4 12.7 12.6 Maximum clad surface temperature at nominal pressure, EF 657 4.4 657 656.5 Fuel center temperature, EF maximum at 100% power 3,180 4.4 3,420 3,420 Amended: April 2009 TL: E048002 1.3-3

San Onofre 2&3 FSAR Updated COMPARISON TABLES Table 1.3-1 REACTOR CORE AND COOLANT SYSTEM PARAMETERS (Sheet 3 of 10)

San Onofre Reference Pilgrim Station Item ANO-2 Units 2 and 3 Section Unit 2 Core Mechanical Design Parameters Fuel assemblies Design CEA 4.2 CEA CEA Rod pitch, in. 0.506 4.2 0.506 0.5063 Cross-section dimensions, in. 7.972 x 7.972 4.2 7.97 x 7.97 7.98 x 7.98 Fuel weight (as UO2), lbs 223.9 x 103 4.2 183,834 223,900 Total weight, lbs 314,867 4.2 250,208 Number of grids per assembly 12 4.2 12 12 Fuel rods Number 50,540 4.2 40,644 49,476 Outside diameter, in. 0.382 4.2 0.382 0.382 Diametral gap, in. 0.007 4.2 0.007 0.007 Clad thickness, in. 0.025 4.2 0.025 0.025 Clad material Zircaloy-4 4.2 Zircaloy Zircaloy-4 Fuel pellets Material UO2 sintered 4.2 UO2 sintered UO2 sintered Diameter, in. 0.325 4.2 0.325 0.325 Length, in. 0.390 4.2 0.390 0.390 Amended: April 2009 TL: E048002 1.3-4

San Onofre 2&3 FSAR Updated COMPARISON TABLES Table 1.3-1 REACTOR CORE AND COOLANT SYSTEM PARAMETERS (Sheet 4 of 10)

San Onofre Reference Item ANO-2 Pilgrim Station Unit 2 Units 2 and 3 Section Core Mechanical Design Parameters (cont)

Control assemblies Neutron absorber (See table 4.2-1 4.2 B4C/Ag-In-Cd B4C/Ag-In-Cd Cladding material Inconel 625 4.2 NiCrFe alloy NiCrFe alloy Clad thickness 0.035 4.2 0.035 0.035 Number of assembly, full/part-length 83/8 4.2 73/8 83/8 Number of rods per assembly 4,5/5 4.2 5 5/4 (4 full-length CEAs have 4 absorber rods per CEA)

Nuclear Design Data Structural characteristics Core diameter, in. (equivalent) 136 4.2 123 136 Core height, in. (active fuel) 150 4.2 150 150 Number of fuel assemblies 217 4.2 177 217 U02 Rods per assembly, unshimmed/shimmed Batch A 236 4.3 NA 236 Batch C 236/224 or 220 4.3 NA 236/230 Batch D 236 4.3 236 NA Batch E 236/232 or 228 4.3 236 NA or 220 Amended: April 2009 TL: E048002 1.3-5

San Onofre 2&3 FSAR Updated COMPARISON TABLES Table 1.3-1 REACTOR CORE AND COOLANT SYSTEM PARAMETERS (Sheet 5 of 10)

San Onofre Reference Pilgrim Station Item ANO-2 Units 2 and 3 Section Unit 2 Nuclear Design Data (cont)

Performance characteristics loading technique 3-batch mixed 4.3 3-batch 3-batch mixed central zone mixed central central zone zone Fuel discharge burnup, MWD/MTU Average cycle 45,000 4.3 45,000 NA Pin feed enrichment, wt% U-235 Pin type 1 2.78 4.3 3.40 NA Pin type 2 3.40 4.3 4.05 NA Pin type 3 4.05 4.3 NA NA Control characteristics effective multiplication (beginning of cycle)

Cold, no power 1.204 4.3 1.169 Hot, no power 1.164 4.3 1.133 Hot, full power, Xe equilibrium 1.112 4.3 1.071 Control assemblies Total rod worth (hot), % 9.75 4.3 >9 >8 Boron concentrations for criticality:

Zero power no rods inserted, ppm 1583 Cold/Hot 1465/1583 4.3 980/970 Amended: April 2009 TL: E048002 1.3-6

San Onofre 2&3 FSAR Updated COMPARISON TABLES Table 1.3-1 REACTOR CORE AND COOLANT SYSTEM PARAMETERS (Sheet 6 of 10)

San Onofre Reference Pilgrim Station Item ANO-2 Units 2 and 3 Section Unit 2 Nuclear Design Data (cont)

At power with no rods inserted, no Xe/equilibrium xenon, 1474/1186 4.3 870/612 850/620 ppm Kinetic characteristics, range over life Moderator temperature coefficient, p/EF See table 4.3-4 -0.5 x 10-4

-2.2 x 10-4 to Doppler coefficient, p/EF -1.21 x 105 4.3 -1.10 x 10-5

-1.41 x 105 -1.9 x 105 to Reactor Coolant System-Code Requirements Component Reactor vessel ASME III Class 1 5.2 ASME III ASME III, Class 1 Class A Steam generator Tube side ASME III Class 1 5.2 ASME III ASME III, Class 1 Class A Shell side ASME III Class II 5.2 ASME III ASME III, Class 1 Class A Pressurizer ASME III Class 1 5.2 ASME III ASME III, Class 1 Class 1 Pressurizer relief (or quench) tank ASME VIII Div. 1 5.4 ASME III Amended: April 2009 TL: E048002 Class C Pressurizer safety valves ASME III Class 1 5.2 ASME III ASME III, Class 1 Class 1 1.3-7

San Onofre 2&3 FSAR Updated COMPARISON TABLES Table 1.3-1 REACTOR CORE AND COOLANT SYSTEM PARAMETERS (Sheet 7 of 10)

San Onofre Reference Pilgrim Station Item ANO-2 Units 2 and 3 Section Unit 2 Reactor Coolant System-Code Requirements (cont)

Reactor coolant piping ASME III Class 1 5.2 ASME III Class 1 USASB31.1)

Principal Design Parameters of the Coolant System Operating pressure, lb/in.2g 2,235 5.1 2,235 2,235 Reactor inlet temperature,EF 553 (2) 5.1 553.5 558.3 Reactor outlet temperature,EF 611.2 (2) 5.1 612.5 616 Number of loops 2 5.1 2 2 Design pressure, lb/in.2g 2,485 5.1 2,485 2,485 Design temperature,EF 650 5.1 650 2

Hydrostatic test pressure (cold), lb/in. g 3,110 3,110 3,110 3

Total coolant volume, ft 10,300 (without 9,376 11,700 pressurizer)

Principal Design Parameters of the Reactor Vessel Material See table 5.2-2 5.2 SA-533, Grade B, SA-533, Grade B Class 1, low alloy Class 1 (plate) steel, internally clad with Type clad with Type 304 austenitic SS 304 austenitic SS Amended: April 2009 TL: E048002 1.3-8

San Onofre 2&3 FSAR Updated COMPARISON TABLES Table 1.3-1 REACTOR CORE AND COOLANT SYSTEM PARAMETERS (Sheet 8 of 10)

San Onofre Reference Pilgrim Station Item ANO-2 Units 2 and 3 Section Unit 2 Principal Design Parameters of the Reactor Vessel (cont)

Design pressure, lb/in.2g 2,485 5.4 2,485 2,485 Design temperature, EF 650 5.4 650 650 2

Operating pressure, lb/in. g 2,235 5.4 2,235 2,235 Inside diameter of shell, in. 172 5.4 157 172 Outside diameter across nozzles, in. 253 238 253 Overall height of vessel and enclosure head, ft-in. to top 43-6-1/2 5.4 43-4-1/6 43-6-1/4 of CEDM nozzle Minimum clad thickness, in. 1/8 5.4 1/8 1/8 Principal Design Parameters of the Steam Generators Number of Units 2 5.4 2 2 Type Vertical U-tube with 5.5 Vertical U-tube Vertical U-tube integral moisture with integral with integral separator moisture moisture separator separator Tube material Inconel (ASME 5.4 NiCrFe alloy NiCrFe alloy SB-163)

Shell material SA-533 Grade B SA-533 Grade B SA 33 Grade B Class 1 and SA-516, Class 1 and Class 1 and Grade 70 SA-516 Grade 70 SA-516 Grade 70 Amended: April 2009 TL: E048002 2

Tube side design pressure, lb/in. g 2,485 5.4 2,485 2,485 1.3-9

San Onofre 2&3 FSAR Updated COMPARISON TABLES Table 1.3-1 REACTOR CORE AND COOLANT SYSTEM PARAMETERS (Sheet 9 of 10)

San Onofre Reference Pilgrim Station Item ANO-2 Units 2 and 3 Section Unit 2 Principal Design Parameters of the Steam Generators (cont)

Tube side design temperature, EF 650 5.4 650 650 6

Tube side design flow, lb/h 74 x 10 5.4 60.2 x 106 79.2 x 106 Shell side design pressure, lb/in.2a 1,100 5.4 1,100 1.185 Shell side design temperature, EF 560 5.4 560 570 Operating pressure, tube side, nominal, lb/in.2g 2,235 5.4 2,235 2,235 Operating pressure, shell side, maximum, lb/in.2g 985 985 1,085 Maximum moisture at outlet at full load, % 0.2 5.4 0.2 0.25 2

Hydrostatic test pressure, tube side (cold) lb/in. g 3,110 3,110 3,110 Steam pressure, at full power, lb/in.2a 900 (2) 5.4 900 1,000 Steam temperature, at full power, EF 532 (2) 5.4 531.95 544.6 Principal Design Parameters of the Reactor Coolant Pumps Number of units 4 5.4 4 4 Type Vertical, single Vertical, single Vertical single stage radial flow stage centrifugal stage centrifugal with bottom with bottom with bottom suction and suction and suction and horizontal horizontal horizontal discharge discharge discharge Amended: April 2009 TL: E048002 1.3-10

San Onofre 2&3 FSAR Updated COMPARISON TABLES Table 1.3-1 REACTOR CORE AND COOLANT SYSTEM PARAMETERS (Sheet 10 of 10)

San Onofre Reference Pilgrim Station Item ANO-2 Units 2 and 3 Section Unit 2 Principal Design Parameters of the Steam Generators (cont)

Design pressure, lb/in.2g 2,485 5.4 2,485 2,485 Design temperature, EF 650 5.4 650 650 2

Operating pressure, nominal lb/in. g 2,235 5.4 2,235 2,235 Suction temperature, EF 553 (2) 5.4 553.5 557.5 Design capacity, gal/min 99,000 5.4 80,000 99,500 Design head, ft 310 5.4 275 305 2

Hydrostatic test pressure (cold), lb/in. g 3,110 3,110 3,110 Motor type AC induction, AC induction, AC induction, single speed single speed single speed Motor rating, hp 9,700 6,500 8,715 Principal Design Parameters of the Reactor Coolant Piping Material SA-516, Grade SA-516, Grade SA-516, Grade 70 70 with nominal 70 with with SS clad 7/32 SS clad nominal 3/16 SS clad Hot leg ID, in. 42 5.4 42 42 Cold leg ID, in. 30 5.4 30 30 Between pump and steam generator ID, in. 30 5.4 30 30 Notes:

Amended: April 2009 TL: E048002

1. Licensed power level subsequently increased to 3438 MWt.

2. RCS original specified value is shown. RCS operating temperatures have been lowered to reduce steam generator tube failure rate due to stress corrosion cracking. As such, these RCS values are different than originally specified. Lower RCS operating temperatures are shown in Section 5.1.

1.3-11

San Onofre 2&3 FSAR Updated COMPARISON TABLES Table 1.3-2 COMPARISON OF PLANT CHARACTERISTICS (Sheet 1 of 5)

San Onofre Calvert Cliffs Turkey Point Farley Units Oconee Units 1, Palisades Unit 1 Significant Significant Ref. by Item Units 2&3 Units 1&2 Units 3 and 4 1&2 (FSAR) 2&3 (FSAR) (FSAR) Similarities Differences Sect.

(FSAR) (FSAR) (FSAR)

Containment System Parameters Type Steel-lined Steel-lined, Steel-lined, Steel-lined, Steel-lined, Steel-lined, Containment None 3.8.1 prestressed prestressed prestressed prestressed prestressed prestressed types are the post-tensioned post-tensioned post-tensioned post-tensioned post-tensioned post-tensioned same for all concrete cylinder, concrete cylinder, concrete cylinder, concrete cylinder, concrete cylinder, concrete cylinder, units curved dome roof. curved dome curved dome roof. curved dome curved dome curved dome roof.

roof. roof. roof.

Design Parameters Containment 3.8.1 Inside diameter, ft 150 130 130 116 116 116 design parameters, Inside height, ft 172 183 182 208 190 169 differ because of Nominal free volume, ft3 2,335,000 2,024,900 2,000,000 1,900,000 1,600,000 1,550,000 differences in Design Pressure, lb/in.2g 60 54 50 59 55 59 dome height.

Concrete thickness, ft Vertical wall 4-1/3 3-3/4 3-3/4 3-3/4 3 3-1/2 Dome 3-3/4 3-1/4 3-1/4 3-1/4 2-1/2 3 Containment leak prevention Leaktight pen- Leaktight Leaktight Leaktight Leaktight Leaktight Same design Palisades and 6.2.4, and mitigation systems etrations and penetrations and penetrations and penetrations and penetrations and penetrations and bases for San Turkey Point differ 9.4.3 continuous steel continuous steel continuous steel continuous steel continuous steel continuous steel Onofre, Farley, from those of San liner. Automatic liner. Automatic liner. Automatic liner. Automatic liner. Automatic liner. Automatic Calvert Cliffs, Onofre, Farley, isolation where isolation where isolation where isolation where isolation where isolation where and Oconee Calvert Cliffs, and required. The required. The required. The required. The required. required. Oconee. The exhaust from exhaust from exhaust from exhaust from former type has no penetration rooms penetration penetration rooms penetration exhaust from to vent stack. rooms to vent to vent stack. rooms to vent penetration rooms stack. stack. to vent stack.

Gaseous effluent purge Discharge through Discharge Discharge through Discharge Discharge Through All use stack stack through stack stack through stack through stack particulate filter discharge except and monitors part Turkey Point.

of main exhaust system.

Amended: April 2009 TL: E048002 Engineered Safety Features Same basic Oconee has 3 6.3 Safety injection system design for all lowhead pumps No. of high head pumps 3 3 3 3 3 2 except Oconee and Turkey Point No. of low head pumps 2 2 2 2 2 2 and Turkey has 2 injection Point pumps.

(a) System presently not being used.

1.3-12

San Onofre 2&3 FSAR Updated COMPARISON TABLES Table 1.3-2 COMPARISON OF PLANT CHARACTERISTICS (Sheet 2 of 5)

San Calvert Farley Oconee Turkey Onofre Cliffs Palisades Units Units 1, Point Units Ref. by Item Units 2 Units 1 Unit 1 Significant Similarities Significant Differences 1&2 2 and 3 3 and 4 Sect.

and 3 and 2 (FSAR)

(FSAR) (FSAR) (FSAR)

(FSAR) (FSAR)

Engineered Safety Features (cont)

Containment fan coolers San Onofre, Farley, Calvert San Onofre has an emergency No. of units 4 4 4 3 4 3 Cliffs, and Palisades have 4 condition flowrate of 31,000 Air flow capacity, each at 31,000 60,000 60,000 58,000 60,00 25,000 each. Oconee and Turkey ft3/min. Farley, Calvert emergency conditions, Point have 3 each. Cliffs, and Palisades have ft3/min emergency-condition flowrates of 60,000 ft3/min.

Oconee and Turkey Point have emergency flowrates of 58,000 and 25,000 ft3/min respectively.

Post-accident filters San Onofre similar to Calvert Cliffs and Turkey 9.4.1 No. of units None None 3 None None 3 Farley, Oconee, and Point both have post-accident Ft3/min None None 20,000 None None 37,500 Palisades. filters. The other units do not Containment spray San Onofre, Farley, Calvert Palisades has 3 containment 6.2.2 No. of pumps 2 2 2 2 2 2 Cliffs, and Turkey Point spray pumps. The others have 2 containment spray have 2 each.

pumps each.

Emergency power 4 total for 5 total 3 total Hydro 2 2 total for Oconee uses hydro 8.3.1 Diesel-generator units both units for both for both both units emergency power. Palisades units units utilizes 2 diesel generators; Amended: April 2009 TL: E048002 Turkey Point has 2 for both Safety injection 4 3 4 2 4 3 plants; Farley has a total of 5 tanks,number for both plants; and San Onofre has 4 for both units.

Oconee utilizes 2 safety injection tanks, while Farley has 3, San Onofre has 4, Calvert Cliffs has 4, Palisades has 4, and Turkey Point has 3.

1.3-13

San Onofre 2&3 FSAR Updated COMPARISON TABLES Table 1.3-2 COMPARISON OF PLANT CHARACTERISTICS (Sheet 3 of 5)

Ref.

San Onofre Units Farley Units 1&2 Calvert Cliffs Oconee Units 1, 2&3 Palisades Unit 1 Turkey Point Units Significant Item Significant Differences by 2&3 (FSAR) (FSAR) Units 1&2 (FSAR) (FSAR) (FSAR) 3&4 (FSAR) Similarities Sect.

Electrical Components Standby Total of 4 diesels; 2 Total of 5 diesels; 3 are Three diesels Two hydro units. Total of 2 diesels. Two diesels San Onofre Oconee has hydro units. 8.3.1 power supply each unit. shared between Units connected to 4-kV 230-kV network and Diesels are connected to 4160 similar to San Onofre has 1 diesel system Diesels are connected 1&2. Diesels are buses and shared start-up transformers. connected to buses and shared. Farley, except permanently aligned to an to 4160V buses. No connected to 4160V between Units 2400V buses. for sharing of ESF bus per unit, as against capability for sharing. buses. 1&2. diesels as that for Calvert Cliffs and noted Turkey Point, which have shared diesels only.

Engineered Two 4160V Six 4160V buses/unit Two 4-kV Three 4160V Two 2400V Two 4160V San Onofre None 8.3.1 safety buses/unit divided divided into two separate buses/unit divided redundant buses per separate and buses/unit divided similar to all.

feature into two separate and and redundant systems. into separate and unit. redundant buses. into separate and buses redundant systems. redundant systems. redundant systems.

DC systems Separate and Separate and redundant Four batteries Separate and Separate and Separate, San Onofre San Onofre separate dc 8.3.2 redundant 125V-dc 125V-dc systems for between 2 units redundant 125V-dc redundant redundant 125V-dc similar to systems for non-ESF loads, systems for ESF ESF loads. Separate dc divided to give two system for 125V-dc systems system supplying Farley, in contrast to that for loads. Separate systems for loads in separate and instrumentation and supplying ESF ESF loads and Calvert Cliffs Palisades and Turkey 125V-dc and auxiliary building, redundant 125V-dc control power loads and non-ESF loads. and Oconee. Point.

250V-dc systems for turbine building, cooling systems. Separate system. Separate dc non-ESF loads Separate dc system non-ESF loads. tower area, diesel dc systems for systems for large for switchyard.

generator building and turbine building loads, switching switchyard and the switchyard. station control, and control of Keowee hydro station.

Vital Four inverters Four inverters arranged Four inverters Four inverters Four inverters Four inverters San Onofre None 8.3.1 instru- arranged to give 4 to give 4 separate and between 2 units to arranged to give 4 arranged to give 4 arranged to give 4 similar to all.

mentation separate and redundant channels. give 4 separate and separate and separate and separate and systems redundant channels. redundant channels redundant channels. redundant redundant Amended: April 2009 TL: E048002 per unit. channels. channels.

Offsite One 230-kV Unit 1 - 230-kV 500-kV Units 1&2 connected Switchyard - 345 Switchyard - 240 San Onofre San Onofre has 1 unit power switchyard common switchyard. Unit 2 - switchyard. Two to the 230-kV kV. Two unit kV. Each unit has similar to auxiliary and 3 startup system to units 2&3. Each 500-kV switchyard. startup switchyard and Unit auxiliary and 2 1 unit auxiliary Turkey Point. transformers compared to unit is provided with Each unit has 2 startup transformers 3 to 500 kV startup and 1 startup one of each for Oconee and two unit auxiliary and transformers and 2 unit shared between switchyard. Each transformers. transformer. Turkey Point. The startup three startup auxiliary transformers two units. unit has 1 unit ESF buses transformers for San transformers supplied with the ESF buses auxiliary and one normally supplied Onofre units are not shared from the common supplied from startup startup transformer. from unit as is the case for Calvert switchyard. transformers. auxiliary Cliffs.

transformers.

1.3-14

San Onofre 2&3 FSAR Updated COMPARISON TABLES Table 1.3-2 COMPARISON OF PLANT CHARACTERISTICS (Sheet 4 of 5)

Signifi- Signi-Turkey Point San Onofre Units Farley Units 1&2 Calvert Cliffs Oconee Units 1, 2 Palisades Unit 1 cant ficant Ref. by Item Units 3 and 4 2 and 3 (FSAR) (FSAR) Units 1&2(FSAR) and 3 (FSAR) (FSAR) Similar- Differ- Sect.

(FSAR) ities ences Radioactive Waste Management System Liquid Radwaste Sys Miscellaneous liquid Shared Shared Shared Shared Single unit Shared waste system Discharge: Evaporator Circulating water Circulating water Circulating water Circulating water Circulating water Circulating water distillate outfall outfall outfall outfall outfall outfall

Evaporator bottoms Solid radwaste Solid radwaste Solid radwaste Solid radwaste Solid radwaste Solid radwaste system system system system system system Recycle capability Yes Yes Yes Yes Yes Yes Total reprocessing 1 at 6,000 gal 2 at 40,000 gal 8,000 gal 40,000 gal 3,800 gal 234,000 gal Storage capacity 25,000 (holdup tanks)

Filter type Disposable cartridge Disposable Disposable cartridge Disposable Disposable Disposable and backflushable cartridge cartridge cartridge cartridge Evaporator capacity 50 gal/min 35 gal/min 20 gal/min 10 gal/min 20 gal/min 20 gal/min Coolant and boric acid Shared Shared Shared (Reactor Shared (Coolant Single unit (Part of Single unit (Part of recycle system coolant waste treatment system) CVCS) CVCS) processing system)

Discharge: No; recycle to boric Liquid radwaste Solid radwaste Solid radwaste Solid radwaste No; recycled to Concentrator Bottoms acid makeup and system system system system boric acid tanks batching tanks Discharge:Concentrator Condensate No; recycled to No; recycled to Circulating water Liquid waste No; recycled to No; recycled to CVCS CVCS discharge system CVCS CVCS Concentrator capacity 50 gal/min 30 gal/min 2 at 20 gal/min 10 gal/min 20 gal/min 20 gal/min Amended: April 2009 TL: E048002 Concentrated boric 2 at 25,000 gal each 2 at 21,000 gal each 2 at 10,000 gal each 3 at 22,000 gal each 2 at 6,537 gal each 3 at 7,500 gal each storage tanks Radwaste receiver tanks 2 primary at 120,000 3 at 28,000 gal each 2 waste receiver 6 at 80,000 gal each 4 at 50,000 gal 3 holdup tanks at gal each and 2 tanks at 90,000 gal each 100,000 gal each secondary at each 120,000 gal each 1.3-15

San Onofre 2&3 FSAR Updated COMPARISON TABLES Table 1.3-2 COMPARISON OF PLANT CHARACTERISTICS (Sheet 5 of 5)

San Onofre Calvert Cliffs Palisades Turkey Point Farley Units Oconee Units Significant Significant References Item Units 2&3 Units 1&2 Unit 1 Units 3 and 4 1&2 (FSAR) 1,2&3 (FSAR) Similarities Differences by Sections (FSAR) (FSAR) (FSAR) (FSAR)

Radioactive Waste Management System (cont)

Waste Gas System Shared Shared Shared Shared Single unit Shared Number of Decay tanks 6, Seismic I 8 3 4 3 6 Tank size (each) 500 ft3 600 ft3 610 ft3 1,100 ft3 100 ft3 525 ft3 Design pressure 350 lb/in.2g 150 lb/in.2g 150 lb/in.2g 100 lb/in.2g 120 lb/in.2g 150 lb/in.2g Discharge point Plant vent stack Plant vent Plant vent Plant vent Plant vent Plant vent Holdup time available 30 days 30 days 60 days 30 days 30 days 45 days (minimum) (minimum) (minimum)

Surge tank Yes, Seismic I No Yes No Yes No Surge tank size 500 ft3 at 150 - 610 ft3 at 50 - 75 ft3 at 20 -

lb/in.2g lb/in.2g lb/in.2g Compressor capacity 2 at 5 standard 2 at 40 2 at 4.7 standard 4 at 48 2 at 2.35 2 at 40 standard ft3/min standard ft3/min standard standard ft3/min ft3/min ft3/min ft3/min Radwaste Solidification Shared Shared Shared Shared Single unit Shared System Solidification agent Concrete Vermiculite - (a) Urea Urea Vermiculite -

cement formaldehyde formaldehyde cement On site storage:

High level solidification 20-50 ft3 drums 175-55 gal (a) Total area for Total area for Total area for 50 drums 30 600 gal 18 containers drums Amended: April 2009 TL: E048002 drums Low level solidification 25-55 gal drums 400-55 gal (a) baling station drums Shipping containers used 55 gal drums 55 gal drums (a) 600 gal drums 50 ft3 55 gal drums and 50 ft3 drums containers 1.3-16

San Onofre 2&3 FSAR Updated COMPARISON TABLES Table 1.3-3 SIGNIFICANT DESIGN CHANGES (Sheet 1 of 10)

System Item Described in Reason for Change FSAR Section

1. Pipe break 3.6 The present design basis pipe breaks are based on adherence to the recommendations of criteria Branch Technical Position MTEB 3-1 which represents the most up-to-date interpretation of the requirements of NRC Regulatory Guide 1.46. These pipe breaks are used in the analyses of subcompartment pressurization, jet impingement, and pipe whip effects.

2. Containment 3.8.1 Roof for containment structure was revised from a shallow dome to a hemispherical building dome which alters the interior height of the structure.

Modification of the containment dome design is a design improvement: reduction in material quantities and field labor cost. With the planned configuration change, prestressing method has been revised by use of continuous U-shaped tendons in lieu of separate vertical and dome tendons. There is no effect on nuclear safety-related design.

3. Fuel assembly 4.2 The reactor fuel assembly design for San Onofre 2 and 3 has been changed from the 14 design x 14 rod array described in the PSAR to a 16 x 16 array. This change provides a lower linear heat rate and reduces peak clad temperature during a postulated LOCA.

Dimensional characteristics of the 16 x 16 design are shown in table 1.3-1 and the design itself is described in section 4.2. The test programs to demonstrate the adequacy of the San Onofre 2 and 3 16 x 16 design are described in chapter 15.

4. CEAs and drive 4.2, 3.9.4, The San Onofre 2 and 3 reactor will employ a total of 91 CEAs and CEDMs. The mechanisms 4.5.1 PSAR design included 69 CEAs and CEDMs. The 91 CEAs of the current design are made up to 79 standard 5-finger CEAs, 4 modified 4-finger CEAs and 8 Inconel/B4C Amended: April 2009 TL: E048002 part-lengths-CEAs. Ninety-one identical CEDMs are employed. For comparison, the 69 CEA design described in the PSAR was composed of 61 standard 5-finger CEAs driven by standard tripping type CEDMs and 8 B4C part-length CEAs driven by nontripping CEDMs. The current CEA design is described in section 4.2. The CEDM design is described in subsections 3.9.4 and 4.5.1.

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System Described Item Reason for Change in FSAR Section

5. Burnable poison 4.2, 4.3 Burnable poison shims have been added to the fuel assemblies replacing some fuel.

shims These shims permit lowering of the initial boric acid concentration in the coolant. This provides an additional negative component to the moderator temperature coefficient.

The mechanical design of the burnable poison shims is described in section 4.2. Their nuclear characteristics are described in section 4.3.

6. Shutdown cooling 5.4.7 The design of the shutdown cooling system (SCS) was upgraded since the PSAR so that system the SCS could perform its function in spite of any single active component or power failure. This design will provide the following:

A. Availability of the SCS to cool the RCS to cold shutdown conditions, including post-LOCA; B. Protection of the low-pressure safety injection system and SCS from overpressurization.

The major changes which were incorporated to meet the above criteria are outlined below:

A. Parallel bypass lines and valves were added to each shutdown cooling suction isolation valve and to the SCS "warmup" bypass line.

B. Combinations of separate independent interlocks are provided on the shutdown Amended: April 2009 TL: E048002 cooling suction isolation valves to prevent their opening when the RCS pressure is greater than the SCS design conditions.

7. Reactor coolant 5.4.14 system supports 1.3-18

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System Described Item Reason for Change in FSAR Section

8. Hydrogen purge 6.2.5 SONGS was granted an exemption from certain requirements of 10 CFR 50.44 and system 10 CFR 50, Appendix A, General Design Criterion 41. As a result, the hydrogen purge system is no longer part of the SONGS 2/3 design basis. See subsection 6.2.5 for details.

The hydrogen purge valves remain part of the containment isolation system (see subsection 6.2.4).

9. Safety injection 6.3 Provisions were made to manually realign the SIS at several hours post-LOCA to provide system simultaneous hot and cold leg safety injection. The hot leg injection flow path is established from the HPSI pumps discharge header to the drain nozzle and SDC line on the RCS hot legs, respectively. As part of the long-term ECCS operation, the operator will initiate hot leg injection and balance the lines to provide a 50-50% split of the hot and cold leg injection flowrate. This mode of operation is designed to inject the specified amount of flow into the hot legs, condensing the steam and increasing the water level in the intact hot legs. This will induce reverse flushing flow out the cold leg break (for cold leg break only). This flushing action will eliminate the potential buildup of boric acid in the reactor vessel.

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System Described Item Reason for Change in FSAR Section

10. Reactor 7.2 The reactor protective system described in the PSAR has been expanded and some portions protective modified in order to provide automatic protection against axial xenon oscillations and to system implement design improvements.

A. The following changes were made to meet the requirement for automatic protection against axial xenon oscillations:

1. The high local power density trip is added;

2. The thermal margin/low pressure trip is replaced by the low DNBR trip;

3. The core protection calculators (CPCs) are added to provide the high local power density and low DNBR trips and the thermal margin/low pressure calculator is eliminated.

B. As a consequence of the above addition of the CPCs the following design changes are implemented:

1. The low reactor coolant flow trip function is incorporated into the low DNBR and high LPD trip.

2. Reactor coolant flowrate is calculated by use of reactor coolant pump speed vice being inferred by differential pressure measurements;

3. CEA position signals are incorporated into the RPS;

4. Variable overpower trip (VOPT) function is incorporated into the low DNBR and Amended: April 2009 TL: E048002 high LPD trips.

C. A high logarithmic power level trip has replaced the high rate of change of power trip in order to provide improved protection against inadvertent boron dilution. It also addresses the unplanned withdrawal of CEAs as the previous trip did.

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System Described Item Reason for Change in FSAR Section

11. Engineered 7.3 The engineered safety feature actuation system (ESFAS) has been changed in the following safety areas:

feature A. The containment purge isolation signal (CPIS) is separated from the ESFAS.

actuation B. The emergency feedwater actuation signal (EFAS) is added to the ESFAS.

system C. Variable setpoints for SIAS on low pressurizer pressure and MSIS on low steam generator pressure are added.

D. The group actuation and group testing capability is added.

The net effect of the changes described above is an improvement in overall plant safety. None of the above changes will result in reduced safety. A discussion of the safety implication of each individual change follows:

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System Described Item Reason for Change in FSAR Section Engineered A. The containment purge isolation signal (CPIS) is separated from the plant safety protection system.

feature actuation The purpose of the CPIS is to provide a signal to isolate the purge system of the system containment building in the event of a high radiation level caused by a LOCA or a (cont) high radiation level caused by a fuel handling accident. In the case of the LOCA, protective action is provided by the containment isolation actuation signal (CIAS) initiated on high containment pressure. Since the fuel handling accident can occur only during shutdown periods, it is desirable to make this signal independent of the plant protection system.

B. The addition of EFAS will improve plant safety since the operator will not be required to take immediate action on the auxiliary feedwater system following a large steam line break or loss of feedwater incident.

C. The variable setpoints for low pressurizer pressure and low steam generator pressure improve plant safety since they provide their protective function over a wider range of plant conditions.

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Item System Reason for Change Described in FSAR Section Engineered D. The addition of group actuation does not affect plant safety. The addition of safety group testing allows for a more comprehensive test program and thus feature should improve system reliability and safety.

actuation system (cont)

12. Control 7.7 The control systems not required for safety have been modified in the following major systems not areas:

required for A. Deleted safety B. The fixed in-core detector system has been expanded to 56 detector strings with 5 rhodium detectors and 1 thermocouple per string.

C. The core operating limit supervisory system (COLSS) has been added.

The reasons for these changes are:

A. Deleted B. The fixed in-core detector system was expanded to 56 strings of 5 detectors to reflect the change to a 16 x 16 core.

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System Described Item Reason for Change in FSAR Section Control systems C. The COLSS consists of sensors, an algorithm implemented in the plant computer, not required for and other equipment to monitor selected nuclear steam supply system parameters safety (cont) and process the parameter information so that a comprehensive online calculation of the margin to specified limiting conditions of operation is available at all times. The COLSS also provides the operator with an alarm so that the reactor core can be maintained within the limiting conditions of operation during steady-state operation by adjusting appropriate plant parameters whenever any one of the monitored core conditions reaches its specified limiting condition of operation. This system is described further in section 7.7.

13. 120-Volt ac 8.3.1 The 120-volt ac instrument power system was modified to meet the intent of Regulatory instrument Guide 1.75. The changes accomplished the following:

power supply A. Provided a separate and independent 120-volt ac instrument power source for non-class 1E loads.

B. Provided a separate and redundant 120-volt ac instrument power source for Class 1E loads.

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System Described Item Reason for Change in FSAR Section

14. 125-volt dc 8.3.2 The 125-volt dc system was modified to meet the intent of Regulatory Guides 1.75 and system 1.81. The changes were made to accomplish the following:

A. Provide a separate and independent 125-volt dc system for each unit.

B. Provide a separate and independent 125-volt dc system for non-Class 1E loads.

C. Provide separate and redundant 125-volt dc channels for Class 1E loads.

15. Class 1E and 8.3.3 Deleted requirement that non-class 1E circuits and Class 1E circuits may share the same Non-Class 1E cable trays provided the routing is controlled such that the non-class IE circuit will not circuit routing cross over into other redundant Class 1E cable trays. The change was made to meet the intent of Regulatory Guide 1.75.

16. Salt water 9.2.5 Increase the number of salt water cooling pumps from three pumps per unit to four cooling pumps pumps per unit. This change is based on increasing system flexibility and availability of the ultimate heat sink during heat treatment operations.

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System Described Item Reason for Change in FSAR Section

17. Condensate 10.4.7 Two condensate storage tanks are provided in lieu of one. One Seismic Category I storage tank 150,000-gallon-capacity tank provides water to the two auxiliary feedwater pumps through separate suction lines. The capacity of this tank is adequate to keep the plant in hot standby for approximately 1 hour1.157407e-5 days <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br /> and then cool down. The other tank is a Seismic Category II 500,000-gallon-capacity tank and provides the normal demands of the condensate feedwater cycle. It can also provide backup water to the Seismic Category I tank.

18. Codes and 3.2 The effective edition of selected codes and standards as delineated in the PSAR have been standards updated to later editions of such codes and standards. The project design has been (Excluding developed using these later codes and standards. Such practice is consistent with the ASME Section 10CFR50.55 (a) requirements related to the design and construction of ASME Section III III) components. It is project practice to use the edition of various codes and standards in effect as of the date of purchase order of the affected component.

19. Cable 8.3.1.1.3 Minimum bend radii specified by the project cable suppliers for their specific types of cable insulation construction are used in the cable installation in the plant in lieu of values for general cable constructions as shown in IPCEA Standards S-61-402, WC-7-1971, and S-19-81. The minimum bending radii for all cable under tension during installation is based on project cable suppliers' requirements. The permanent trained condition as given by the cable manufacturers are applied to the installation of Class 1E power cable only. Permanent Amended: April 2009 TL: E048002 trained multiconductor control and instrumentation cable is not maintained to a radius based on overall cable outside diameter. Since individual conductors being protected within the multiconductor cables have individual diameters substantially smaller than the overall cable diameter, voltage and current densities are considerably less than the voltage and current rating of the cable. Circuits are tested for functional operability after the cable is installed.

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Regulation Compliance (10CFR) 20.1(a) This regulation states the general purpose for which the Part 20 regulations are established and does not impose any independent obligations on licensees.

20.1(b) This regulation describes the overall purpose of the Part 20 regulations to control the possession, use, and transfer of licensed material by any licensee, so that the total dose to an individual will not exceed the standards prescribed therein. It does not impose any independent obligations on licensees.

20.1(c) Conformance with the ALARA principle stated in this regulation is ensured by the implementation of Company policies and appropriate Technical Specifications and health physics procedures. Chapters 11 and 12 of the FSAR describe the specific equipment and design features utilized in this effort.

20.2 This regulation states the extent of application of the Part 20 regulations and imposes no independent obligations on those licensees to which they apply.

20.3 The definitions contained in this regulation are adhered to in all appropriate Technical Specifications and procedures and in applicable sections of the FSAR.

20.4 The units of radiation dose specified in this regulation are accepted and conformed to in all applicable station procedures.

20.5 The units of radioactivity specified in this regulation are accepted and conformed to in all applicable station procedures.

20.6 This regulation governs the interpretation of regulations by the NRC and does not impose independent obligations on licensees.

20.7 This regulation gives the address of the NRC and does not impose independent obligations on licensees.

20.101 The radiation dose limits specified in this regulation are complied with through the implementation of and adherence to administrative policies and controls and appropriate health physics procedures developed for this purpose. Conformance is documented by the use of appropriate personnel monitoring devices and the maintenance of all required records.

20.102 When required by this regulation, the accumulated dose for any individual permitted to exceed the exposure limits specified in 20.101(a) is determined by the use of Form NRC-4. Appropriate health physics procedures and administrative policies control this process.

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Regulation Compliance (10CFR) 20.103(a) Compliance with this regulation is ensured through the implementation of appropriate health physics procedures relating to air sampling for radioactive materials and bioassay of individuals for internal contamination.

Administrative policies and controls provide adequate margins of safety for the protection of individuals against intake of radioactive materials. The systems and equipment described in chapters 11 and 12 of the FSAR provide the capability to minimize these hazards.

20.103(b) Appropriate process and engineering controls and equipment, as described in chapters 11 and 12 of the FSAR, are installed and operated to maintain levels of airborne radioactivity as low as reasonably achievable.

20.103(c) This regulation allows credit in estimating individual exposures for operators who are wearing respiratory protective equipment. Operating manuals contain procedures that ensure that approved respiratory protection equipment is being properly used and that plant practices are in compliance with Regulatory Guide 8.15, Acceptable Programs for Respiratory Protection.

20.103(d) This regulation describes further restrictions which the Commission may impose on licensees. It does not impose any independent obligations on licensees.

20.103(e) The proper notification specified by this regulation will be made to the appropriate authority within the appropriate time limit.

20.103(f) Plant respiratory protection programs were not in effect prior to December 29, 1976 and, therefore, the regulation does not apply.

20.104 Conformance with this regulation is ensured by appropriate Southern California Edison Company policies regarding employment of individuals under the age of 18 and the station Radiation Protection Manual (RPM) restricting these individuals' access to the station restricted areas.

20.105(a) Chapters 11 and 12 of the FSAR provide the information and related radiation dose assessments specified by this regulation.

20.105(b) The radiation dose rate limits specified in this regulation are complied with through the implementation of station procedures, Technical Specifications, and administrative policies which control the use and transfer of radioactive materials. Appropriate surveys and monitoring devices document this compliance.

20.106(a) Conformance with the limits specified in this regulation is ensured through the implementation of station procedures and applicable Technical Specifications which provide adequate sampling, analyses, and monitoring of radioactive materials in effluents prior to and during their release. The level of radioactivity in station effluents is minimized to the extent practicable by the use of appropriate equipment designed for this purpose, as described in chapter 11 of the FSAR.

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Regulation Compliance (10CFR) 20.106(b) SCE has not and does not currently intend to include in any license or 20.106(c) amendment application proposed limits higher than those specified in 20.106(a), as provided for in these regulations.

20.106(d) Appropriate allowances for dilution and dispersion of radioactive effluents are made in conformance with this regulation and are described in detail in chapter 11 of the FSAR and in appropriate reports required by the Technical Specifications.

20.106(e) This regulation provides criteria by which the Commission may impose further limitations on releases of radioactive materials made by a licensee. It imposes no independent obligations on licensees.

20.106(f) This regulation states that the provisions of 20.106 do not apply to disposal of radioactive material into sanitary sewage systems. It imposes no independent obligations on licensees.

20.107 This regulation clarifies that the Part 20 regulations are not intended to apply to the intentional exposure of patients to radiation for the purpose of medical diagnosis or therapy. It does not impose any independent obligations on licensees.

20.108 Necessary bioassay equipment and procedures, including whole body counting, are utilized at San Onofre Nuclear station to determine exposure of individuals to concentrations of radioactive materials. Appropriate health physics procedures and administrative policies implement this requirement.

20.201 The surveys required by this regulation are performed at adequate frequencies and contain sufficient detail to be consistent with the radiation hazard being evaluated. Applicable health physics procedures require these surveys and provide for their documentation in such a manner as to ensure compliance with the regulations of 10CFR20.

20.202(a) Applicable health physics procedures set forth policies and practices which ensure that all individuals are supplied with and are required to use appropriate personnel monitoring equipment. Work procedures are established to provide additional control of personnel working in radiation areas and to ensure that the level of protection afforded to these individuals is consistent with the radiological hazards in the work place.

20.202(b) The terminology set forth in this regulation is accepted and conformed to in all applicable station procedures, Technical Specifications, and those portions of the station Radiation Protection Manual in which its use is made.

20.203(a) All materials used for labeling, posting, or otherwise designating radiation hazards or radioactive materials, and using the radiation symbol, conform to the conventional design prescribed in this regulation.

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Regulation Compliance (10CFR) 20.203(b) This regulation is conformed to through the implementation of appropriate health physics procedures and portions of the Radiation Protection Manual relating to posting of radiation areas, as defined in 10CFR Part 20.202(b) (2).

20.203(c) The requirements of this regulation for "High Radiation Areas" are conformed to by the implementation of the Technical Specifications and appropriate health physics procedures, as well as the station Radiation Protection Manual. The controls and other protective measures set forth in the regulation are maintained under the surveillance of the station Health Physics Group.

20.203(d) Each airborne radioactivity area, as defined in this regulation, is required to be posted by provisions of the Radiation Protection Manual and appropriate health physics procedures. These procedures also provide for the surveillance requirements necessary to determine airborne radioactivity levels.

20.203(e) The area and room posting requirements set forth in this regulation pertaining to radioactive materials are complied with through the implementation of appropriate health physics procedures and portions of the station Radiation Protection Manual.

20.203(f) The container labeling requirements set forth in this regulation are complied with through the implementation of appropriate health physics procedures and portions of the station Radiation Protection Manual.

20.204 The posting requirement exceptions described in this regulation are used where appropriate and necessary at the station. Adequate controls are provided within the station health physics procedures to ensure safe and proper application of these exceptions.

20.205 All of the requirements of this regulation pertaining to procedures for picking up, receiving, and opening packages of radioactive materials are implemented by the station Radiation Protection Manual and appropriate health physics procedures. These procedures also provide for the necessary documentation to ensure an auditable record of compliance.

20.206 Appropriate health physics procedures set forth requirements for all radiation workers to receive training and instructions as required by 10CFR19.12.

20.207 The storage and control requirements for licensed materials in unrestricted areas are conformed to and documented through the implementation of station health physics procedures and applicable portions of the station Radiation Protection Manual.

20.301 The general requirements for waste disposal set forth in this regulation are complied with through station health physics procedures, the Technical Specifications, and the provisions of the station license. Chapter 11 of the FSAR describes the solid waste disposal system installed at the station.

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Regulation Compliance (10CFR) 20.302 No such application for proposed disposal procedures as described in this regulation is contemplated.

20.303 No such plans for disposal of licensed material by release into sanitary sewage systems as provided for in this regulation are contemplated.

20.304 No such disposal of licensed material by burial in soil; i.e., on-site burial, as provided for in this regulation, is contemplated.

20.305 No such incineration of licensed material as provided for in this regulation is contemplated.

20.401 All of the requirements of this regulation are complied with through the implementation of appropriate Technical Specifications and health physics procedures pertaining to records of surveys, radiation monitoring, and waste disposal. The retention periods specified for such records are also provided for in these specifications and procedures.

20.402 San Onofre nuclear station has established an appropriate inventory and control program to ensure strict accountability for all licensed radioactive materials. Reports of theft or loss of licensed material are required by reference to the regulations of 10CFR in the Technical Specifications.

20.403 Notifications of incidents, as described in this regulation, are assured by the requirements of the Technical Specifications, the station Radiation Protection Manual, and appropriate health physics procedures, which also provide for the necessary assessments to determine the occurrence of such incidents.

20.405 Reports of overexposures to radiation and the occurrence of excessive levels and concentrations, as required by this regulation, are provided for by reference in the Technical Specifications and in appropriate health physics procedures.

20.407 The personnel monitoring required by this regulation is provided for by the Technical Specifications. Appropriate health physics procedures establish the data base from which this report is generated.

20.408 The report of radiation exposure required by this regulation upon termination of an individual's employment or work assignment is generated through the provisions of a station health physics procedure.

20.409 The notification and reporting requirements of this regulation, and those referred to by it, are satisfied by the provisions of a station health physics procedure.

20.501 This regulation provides for the granting of exemptions from 10CFR Part 20 regulations, provided that such exemptions are authorized by law and will not result in undue hazard to life or property. It does not impose independent obligations on licensees.

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Regulation Compliance (10CFR) 20.502 This regulation describes the means by which the Commission may impose upon any licensee requirements which are in addition to the regulations of Part 20. It does not impose independent obligations on licensees.

20.601 This regulation describes the remedies which the Commission may obtain in order to enforce its regulations and sets forth those penalties or punishments which may be imposed for violations of its rules. It does not impose any independent obligations on licensees.

50.1 This regulation states the purpose of the Part 50 regulations and does not impose any independent obligations on licensees.

50.2 This regulation defines various terms and does not impose independent obligations on licensees.

50.3 This regulation governs the interpretation of the regulations by the NRC and does not impose independent obligations on licensees.

50.4 This regulation gives the address of the NRC and does not impose independent obligations on licensees.

50.5 This regulation addresses deliberate misconduct activities by SONGS Staff or contractors that causes a violation of any rule, regulation, order, or license issued by the NRC for SONGS. Compliance with this regulation is established in site procedures, directives, and orders.

50.7 This regulation states that discrimination against an employee or contractor for engagng in certain protected activities is prohibited. Compliance with this regulation is established in site procedures, directives, and orders.

50.8 This regulation states that the NRC may not collect information until it displays a currently valid Office of Managmeent and Budget (OMD) control number. This regulation does not impase any direct obligations on licensees.

50.9 This regulation states that information provided to the commission shall be complete and accurate in all material aspects. Compliance with this regulation is established in specific plant procedures and directives.

50.10 These regulations specify the types of activities that may not be undertaken 50.11 without a license from the NRC. SCE does not propose to conduct any such activities at San Onofre 2 and 3 without an NRC license.

50.12 This regulation provides for the granting of exemptions from 10CFR Part 50 regulations, provided that such exemptions are authorized by law and will not endanger life or property or the common defense and security and are otherwise in the public interest. It does not impose independent obligations on licensees.

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Regulation Compliance (10CFR) 50.13 This regulation says that a license applicant need not design against acts of war. It imposes no independent obligations on licensees.

50.20 These regulations describe the types of licenses that the NRC issues. They do 50.21 not address the substantive requirements that an applicant must satisfy to 50.22 qualify for such licenses.

50.23 50.30 This regulation sets forth procedural requirements for the filing of license applications concerning items such as place of filing, oath or affirmation, number of copies of application, application for operating license, filing fees, and an environmental report. The procedural requirements of this regulation have been met in the license application and will continue to be met for subsequent amendments to the license application.

50.31 These regulations permit more efficient organization of the license 50.32 application and impose no independent obligations on licensees.

50.33 This regulation requires the licensee's application to contain certain general information, such as identification of the applicant, information about the applicant's financial qualifications and a list of regulatory agencies with jurisdiction over the applicant's rates and services. This information is provided in the operating license application.

50.33a This regulation requires applicants for construction permits to submit information required for the antitrust review. The requirements set forth by this regulation were satisfied at the time the application for a construction permit was submitted.

50.34(a) This regulation sets forth requirements which govern the content of technical information in the Preliminary Safety Analysis Report and is relevant to the construction permit stage. The requirements of this regulation were satisfied as part of the construction permit application.

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Regulation Compliance (10CFR) 50.34(b) A Final Safety Analysis Report (FSAR) has been prepared and submitted.

This report addresses, in the chapters indicated, the information required:

(1) Site evaluation factors - chapter 2.

(2) Structures, systems, and components - chapters 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, and 15.

(3) Radioactive effluents and radiation protection - chapters 11 and 12.

(4) Design and performance evaluation - ECCS performance is discussed and shown to meet the requirements of 10CFR50.46 in chapters 6 and 15.

(5) Results of research program - chapter 1.

(6) i Organization structure - chapter 13.

ii Managerial and administrative controls - chapters 13 and 17.

Chapter 17 discusses compliance with the quality assurance requirements of appendix B.

iii Plans for preoperational testing and initial operations - chapter 14.

iv Plans for conduct of normal operations - chapters 13 and 17.

Surveillance and periodic testing are specified in the Technical Specifications.

v Plans for coping with emergencies - Emergency Plan (see 50.47 and Appendix E).

vi Technical Specifications - a site-specific set is being prepared in conjunction with the staff and will be appended to the operating license when approved.

vii Potential hazards analysis (appendix 3B).

(7) Technical qualifications - chapter 13.

(8) Operator requalifications - chapter 13.

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Regulation Compliance (10CFR) 50.34(c) The information required in these sections has been submitted for San Onofre 50.34(d) Nuclear Station under separate cover pursuant to Paragraph 2.790(d) 10CFR2, Rules of Practice. This information includes both the physical security plans and the safeguards contingency plans required by these regulations.

50.34(e) This regulation sets forth the requirements for including in the construction permit application a description of the design objectives and the preliminary design of equipment to control the release of radioactive material in nuclear power reactor effluents. The requirement of this regulation was satisfied as part of the construction permit application.

50.34a This regulation requires compliance with the design objectives for equipment to control radioactive material effluents in accordance with Appendix I to 10 CFR 50. Compliance with this regulation was established in the Environmental Report and Operating License Review.

50.35 This regulation is relevant to the construction permit stage rather than the operating license stage.

50.36 Technical Specifications are being prepared for implementation by SCE and will include 1) safety limits and limiting safety settings, 2) limiting conditions for operations, 3) surveillance requirements, 4) design features, and 5) administrative controls. Technical Specifications will take the form prescribed by NUREG-0212, Revision 1, dated August 1979, which are the "Standard Technical Specifications for Combustion Engineering Pressurized Water Reactors."

50.36a Radiological Effluent Technical Specifications (RETS) are being prepared for implementation by SCE, as required by this regulation. The RETS will be incorporated in the technical specifications referred to in 50.36 above.

50.36b This regulation states that conditions to protect the environment may be included as an attachment to the plant license. This regulation does not impose direct obligations on the licensee.

50.37 This regulation requires the applicant to agree to limit access to restricted data. This requirement was satisfied at the time of application for the construction permit.

50.38 This regulation prohibits the NRC from issuing a license to any person who is a citizen, national, or agent of a foreign country or any corporation or other entity which is owned, controlled, or dominated by an alien, a foreign corporation, or a foreign government. SCE is eligible to apply for and obtain a license as stated in their applications for operating licenses. Therefore, the requirements of this regulation are not applicable.

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Regulation Compliance (10CFR) 50.39 This regulation provides that applications and related documents may be made available for public inspection. This imposes no direct obligations on applicants and licensees.

50.40 This regulation provides considerations to "guide" the Commission in granting licenses, as follows:

50.40(a) The design and operation of the facility is to provide reasonable assurance that the health and safety of the public will not be endangered. The basis for SCE's assurance that the regulations will be met and the public protected is contained in this document and in the license application and the related correspondence over the years. Moreover, the lengthy process by which the plant is designed, constructed, and reviewed, including reviews by the architect-engineer, the NSSS vendor, the Southern California Edison staff, the NRC Staff, and the ACRS provides a great deal of assurance that the public health and safety will not be endangered.

50.40(b) This regulation requires that the applicant be both technically and financially qualified to engage in the proposed activities as specified in the license application. The appointed hearing board will determine the level of technical and financial adequacy of SCE during hearings at the operating license stage.

50.40(c) The issuance of a license to the applicant will not be inimical to the common defense and security or to the health and safety of the public. The individual showings of compliance with particular regulations contained in this section as well as the contents of the FSAR and related correspondence on the record, plus the lengthy process of design, construction, and review by SCE, the architect-engineer, the NSSS vendor, and the government ensure that the license will not be inimical to the health and safety of the public. Compliance with the requirements in 10CFR50.40(a) demonstrate that a license will not be inimical to the common defense and security.

50.40(d) The requirements set forth in this regulation have been satisfied in that Environmental Reports have been submitted in accordance with 10CFR51 as part of the operating license application.

50.41 This regulation applies to Class 104 licensees, such as those for devices used in medical therapy. SCE has not applied for a Class 104 license, and therefore 50.41 is not applicable.

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Regulation Compliance (10CFR) 50.42 This regulation requires the Commission to consider additional standards in determining whether or not a license should be issued; i.e., 1) that the proposed activities will serve a useful purpose proportionate to the quantities of special nuclear material or source material to be utilized and 2) that due account will be taken of the anti-trust advice provided by the Attorney General. Information pertinent to these standards was made known to the Commission at the construction permit stage 1) by the licensing board verification of the need for power and 2) by the Attorney General's satisfactory review of the anti-trust information.

50.43 This regulation imposes certain duties on the NRC and addresses the applicability of the Federal Power Act and the right of government agencies to obtain NRC licenses. It imposes no direct obligations on licensees.

50.44 SONGS was granted an exemption from certain requirements of 10 CFR 50.44 and 10 CFR 50, Appendix A, General Design Criterion 41. See subsection 6.2.5 for further details.

50.45 This regulation provides standards for construction permits rather than operating licenses and is therefore not pertinent to this operating license proceeding.

50.46 FSAR section 6.3 describes the emergency core cooling system and the methods used to analyze ECCS performance following the course of an accident. The result of the loss-of-coolant accident analysis presented in FSAR section 15.6 demonstrate conformance with 50.46.

50.47 This regulation provides standards for onsite and offsite emergency plans, refers to the requirements of Appendix (E), and establishes the requirement for FEMA review and NRC approval of the plans prior to issuance of an operating license. Emergency plans have been submitted and are in final stages of review and approval by FEMA/NRC. (Refer to NUREG-0712, Section 13.3, and Supplement 1, page 22-126).

50.48 This regulation imposes requirements for a fire protection plan that satisfies Criterion 3 of Appendix (A) of 10CFR50 and makes reference to Appendix (R) as defining the fire protection features required to satisfy the criterion.

By NRC memorandum and order (CLI-80-21), this rule is not applicable to San Onofre 2 and 3 in its entirety but that the specific requirements III G, III J and III 0 of Appendix (R) must be implemented on a schedule approved by NRC. SCE has committed to make the required modifications and thereby complies with this rule as modified by CLI-80-21.

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Regulation Compliance (10CFR) 50.49 This regulation imposes requirements for environmental qualification of electrical equipment important to safety. Section 3.11 of the FSAR describes compliance with this regulation.

50.50 This regulation provides that the NRC will issue a license upon determining that the application meets the standards and requirements of the Atomic Energy Act and the regulations and that the necessary notifications other agencies or bodies have been duly made. It imposes no direct obligations on the licensees.

50.51 This regulation specifies the maximum duration of licenses. Compliance will be affected by the Commission's writing the license in order to comply.

50.52 This regulation provides for the combining in a single license of a number of activities. It imposes no independent obligation on the licensee.

50.53 This regulation provides that licenses are not to be issued for activities that are not under or within the jurisdiction of the United States. The operation of San Onofre 2 and 3 will be within the United States and subject to the jurisdiction of the United States, as is evident from the description of the facility in the operating license application.

50.54 This regulation specifies certain conditions that are incorporated in every license issued. Compliance is effected by including these conditions in the license when it is issued.

50.55 This regulation addresses conditions of construction permits, not operating licenses, and therefore it is not relevant at this time.

50.55a(a)(1) Section 5.2 of the FSAR describes compliance with this regulation.

50.55a(a)(2) This paragraph is general in nature leading into Paragraphs (c) through (i) of the regulation.

50.55a(b)(1) These paragraphs provide guidance concerning the approved edition and 50.55a(b)(2) addenda of Sections III and XI of the ASME B&PV Code.

50.55a(c) Design and fabrication of the reactor vessel were carried out in accordance with ASME Section III (1971 Edition, through Summer 1971 Addenda).

50.55a(d) Reactor coolant system piping meets the requirements of ASME Section III (1971 Edition, through Summer 1972 Addenda).

50.55a(e) Reactor coolant pumps meet the requirements of ASME Section III (1971 Edition, through Winter 1971 Addenda).

50.55a(f) Reactor coolant system valves comply with the requirements found in ASME Section III (1971 Edition, through Summer and Winter 1973 Addenda, and 1974 Edition, through Winter 1974).

50.55a(g) Inservice inspection (ISI) requirements delineated in this part are specified in the Technical Specifications.

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Regulation Compliance (10CFR) 50.55a(h) As discussed in chapter 7, the protection systems meet IEEE 279-1971.

50.55a(i) Fracture toughness requirements are set forth in Appendices G and H of 10CFR50. Section 5.3 of the FSAR details vessel material parameters.

50.56 This regulation provides that the Commission will, in the absence of good cause shown to the contrary, issue an operating license upon completion of the construction of a facility in compliance with the terms and conditions of the construction permit. This imposes no independent obligations on the applicant.

50.57(a) This regulation requires the Commission to make certain findings prior to the issuance of an operating license.

50.57(b) The license, as issued, will contain appropriate conditions to ensure that items of construction or modification are completed on a schedule acceptable to the Commission.

50.57(c) This regulation provides for a low-power testing license.

50.58 This regulation provides for the review and report of the Advisory Committee on Reactor Safeguards.

50.59 This regulation provides for the licensing of certain changes, tests, and experiments at a licensed facility. Technical Specifications and procedures provide implementation of this regulation.

50.60 This regulation states the fracture toughness and material surveillance program requirements for the reactor coolant pressure boundary for normal operation. Compliance is established in the Technical Specifications and Chapter 5 of the UFSAR.

50.61 This regulation states the fracture toughness requirements for protection against pressurized thermal shock events. Compliance is established in the Technical Specifications and Chapter 5 of the UFSAR.

50.62 This regulation states the requirements for reduction of risk from anticipated transients without scram. Compliance is established in operating procedures. Further information is provided in UFSAR Sections 7.6.18, 7.6.19, and 15.10.8.

50.63 This regulation states the requirements to be able to withstand a loss of all alternating current power. Compliance is established in Technical Specification Bases 3.8.4 and Chapter 8 of the UFSAR.

50.65 This regulation states the requirements for monitoring the effectiveness of maintenance during all conditions of plant operation, including normal shutdown. SCE has committed to follow the guidance of NEI (NUMARC) 93-01. Compliance with this regulation is established in plant specific procedures.

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Regulation Compliance (10CFR) 50.66 This regulation states the requirements for thermal annealing of the reactor vessel when neutron irradiation has reduced fracture toughness. Compliance is established in UFSAR Section 5.3.1.6.

50.68 This regulation states the requirements for maintaining a monitoring system capable of detecting criticality. Compliance is established in UFSAR Section 9.1.

50.70 The Commission will assign resident inspectors to the San Onofre 2 and 3 station and space will be provided in conformance with 50.70(b)(1) through (3).

50.71 Records are and will be maintained in accordance with the requirements of sections (a) through (e) of this regulation and the license.

50.72 This regulation defines the requirements for reporting of significant events to NRC Operations Center. Appropriate operations and administrative station procedures will ensure compliance with this rule.

50.73 This regulation states the requirements for submitting a Licensee Event Report. Compliance is established in Technical Specifications Chapter 5.

50.74 This regulation states that a change in operator or senior operator status is to be reported to the Commission. Compliance is maintained with the implementation of INPO guidelines and plant procedures.

50.75 This regulation establishes the requirements for reporting and record keeping for decommissioning planning. This regulation also addresses the requirements for monies set aside for decommissioning activities.

Compliance with this regulation is established in plant procedures and directives.

50.78 This regulation is in regard to implementation of the US/IAEA safeguards agreement and is applicable to holders of construction permits.

50.80 This regulation provides that licenses may not be transferred without NRC consent. No application for transfer is contemplated by SCE involving the San Onofre 2 and 3 station.

50.81 This regulation permits the creation of mortgages, pledges, and liens on licensed facilities, subject to certain provisions. The regulation prohibits secured creditors from violating the Atomic Energy Act and the Commission's regulations.

50.82 This regulation provides for the termination of licenses. It does not apply to the San Onofre 2 and 3 station because no termination of licenses has been requested.

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Regulation Compliance (10CFR) 50.90 This regulation governs applications for amendments to licenses. Future request for license amendments will be made in accordance with these requirements.

50.91 This regulation provides guidance to the NRC in issuing license amendments.

50.91 This regulation provides guidance to the NRC in issuing license amendments.

50.92 This regulation specifies the considerations that will guide the Commission in issuing amendments to a license.

50.100 These regulations govern the revocation, suspension, and modification of 50.101 licenses by the Commission under unusual circumstances. No such 50.102 circumstances are present and therefore these regulations are not applicable at 50.103 this time.

50.109 This regulation specifies the conditions under which the NRC may require the backfitting of a facility. This regulation imposes no independent obligations on a licensee unless the NRC proposes a backfitting requirement and therefore this regulation is not applicable.

50.110 This regulation governs enforcement of the Atomic Energy Act, the Energy Reorganization Act of 1974, and the NRC's regulations and orders. No enforcement action is at issue in the San Onofre 2 and 3 proceeding, and therefore this regulation is not applicable at this time.

50.111 This regulation provides for criminal sanctions for violations of designated regulations.

50.120 This regulation states the requirements for training and qualification of nuclear plant personnel with the exception of licensed operators. SONGS compliance is maintained with the implementation of the INPO accredited training program. Further information is provided in UFSAR Chapter 13.

Appendix A FSAR section 3.1 discusses the extent to which the design criteria for San Onofre 2 and 3 plant structures, systems, and components important to safety comply with Title 10, Code of Federal Regulations, Part 50 (10CFR50),

Appendix A, General Design Criteria for Nuclear Power Plants (GDC). As presented in section 3.1, each criterion is first quoted and then discussed in enough detail to demonstrate compliance with each criterion. For some criteria, additional information may be required for a complete discussion. In some cases, detailed evaluations of compliance with the various general design criteria are incorporated in more appropriate FSAR sections, and are located by reference.

Appendix B Chapter 17 of the FSAR describes in detail the provisions of the quality assurance program which have been implemented to meet all applicable requirements of Appendix B.

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Regulation Compliance (10CFR)

Appendix C This appendix provides a guide for establishing an applicant's financial qualifications. Financial qualifications were established at the construction permit stage, and it was found that there is reasonable assurance that the funds needed to operate the facility in compliance with the Commission's regulations are available.

Appendix D This appendix has been superseded by 10CFR Part 51. As noted in the discussion for 10CFR50.40(d), the requirements of Part 51 have been satisfied.

Appendix E This appendix specifies requirements for emergency plans. Emergency plans are being developed to provide reasonable assurance that appropriate measures can and will be taken in the event of an emergency to protect the public's health and safety and prevent damage to property. The new criteria for emergency planning developed subsequent to the event at Three Mile Island, Unit 2, are being factored into the emergency planning preparation effort.

Appendix F This appendix applies to fuel reprocessing plants and related waste management facilities, not to power reactors and is, therefore, not applicable..

Appendix G Fracture toughness compliance can be found in FSAR section 5.3. Assurance of adequate fracture toughness of ferritic materials in the reactor coolant pressure boundary (ASME Code,Section III, Class 1 components) is provided by compliance with the requirements for fracture toughness testing included in NB-2300 to Section III of the ASME Code and Appendix G of 10CFR50.

Appendix H Reactor vessel material surveillance program requirements are delineated in this part. Technical Specifications and operating procedures have been established to implement their requirements. Further information is provided in FSAR chapter 5.

Appendix I This appendix provides numerical guides for design objectives and limiting conditions for operation to meet the criteria "as low as is reasonably achievable" for radioactive material in light water-cooled nuclear power reactor effluents. FSAR chapters 2, 11, and 12 discuss the extent to which the criteria for Appendix I are met.

Appendix J Reactor containment leakage testing for water-cooled power reactors is delineated in this appendix. These requirements are given in the Technical Specifications. Additional information concerning compliance can be found in FSAR chapter 6, subsections 6.2.4 and 6.2.6.

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Regulation Compliance (10CFR)

Appendix K This appendix specifies features of acceptable ECCS evaluation models. As stated in FSAR section 6.3, the ECCS subsystem functional parameters are integrated so that the Appendix K requirements are met over the range of anticipated accidents and single failure assumptions. In addition, the ECCS evaluation model used to demonstrate conformance with 10CFR50.46 (see FSAR section 15.6) is in conformance with Appendix K requirements.

Appendix L This appendix identifies the information required to be submitted by the applicant to the Attorney General to satisfy the requirements when applying for a facility operating license. The requirements of this appendix were satisfied at the time of application for the operating license.

Appendix M This appendix lists guidelines for the licensing of plants whose site requirements are not considered in the design of the plant structures. Since the site is considered in the plant design, this appendix is not applicable.

Appendix N This appendix dictates the requirements applicable to duplicate plant designs on multiple sites. Since both units are on a common site this appendix is not applicable.

Appendix O Appendix O dictates guidelines for the Staff in reviewing standardization of design. No independent obligation on the licensee is required.

Appendix P Reserved.

Appendix Q Appendix Q dictates guidelines for the Staff in review of early review of site and does not deal with operating license review.

Appendix R This appendix specifies features of an acceptable fire protection program for nuclear generating stations operating prior to January 1, 1979 except to the extent set forth in Section 50.48(b). Guidance contained in Appendix A to BTP 9.5-1 and the requirements set forth in 50.48 define the essential elements for an acceptable fire protection program at nuclear power plants docketed for construction permits prior to July 1, 1976. SCE has submitted its fire protection program for NRC evaluation and the NRC has concluded that the program will satisfy the applicable requirements of this appendix.

100.1 This regulation is explanatory and does not impose independent obligations on licensees.

100.2 This regulation is explanatory. San Onofre 2 and 3 is not novel in design and is not unproven as a prototype or pilot plant.

100.3 This regulation is explanatory and does not impose independent obligations on licensees.

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Regulation Compliance (10CFR) 100.10 The factors listed related to both the unit design and the site have been provided in the application. Site specifics, including seismology, meteorology, geology, and hydrology, are presented in chapter 2 of the FSAR. The exclusion area, low population zone, and population center distance are provided and described. The FSAR also describes the characteristics of reactor design and operation.

100.11 Exclusion areas have been established, as described in FSAR section 2.1.

The low population zone for each unit has been established in accordance with this requirement.

100.11 The FSAR accident analyses, particularly those in chapters 6 and 15, demonstrate that offsite doses resulting from postulated accidents would not exceed the criteria in this section of the regulation.

Appendix A Appendix A to 10CFR Part 100 provides seismic and geologic siting criteria for nuclear power plants. The Commission is in the process of determining the acceptability of San Onofre 2 and 3 on the seismic and geologic siting.

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