ML18040A709

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App B to Rev 1 to Control Sys Power Supply & Sensor Malfunction Study, Control Sys & Safety Functions.
ML18040A709
Person / Time
Site: Susquehanna Talen Energy icon.png
Issue date: 03/31/1982
From:
EDS NUCLEAR, INC.
To:
Shared Package
ML17139B884 List:
References
02-0160-1102-AP, 02-0160-1102-R1-APPB, 2-160-1102-AP, 2-160-1102-R1-APPB, NUDOCS 8310180493
Download: ML18040A709 (12)
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Text

Report No. 02-0160-1102 Revision 0 APPENDIX B CONTROL SYSTEMS AND SAFETY FUNCTXONS 83iOi80493 83iOi4 PDR ADOCK 05000387 PDR.

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Report No. 02-0160-1102 Revision 0 CONTROL SYSTEMS

1. Reactor Manual Control System
2. Recirculation Flow Control System
3. Reactor Feedwater Control System
4. Pressure Regulator and Turb'ine Generator Contxol System
5. Traversing In-Core Probe Control System
6. Reactor Water Cleanup Control System
7. Refueling Interlock Control System
8. Rod Block Monitor System
9. Nuclear Pressure Relief Control System 26

Core C Radio Mater:

Store Contr React Isola Contr Isolc Rod Reac Cont Rest powe Cont Coo Cont Env:

Con'

Report No. 02-0160-1102 Revision 0 PLANT OPERATING MODE STATE A (Conte)

Reactor Shutdown/Head Off SAFETY FUNCTIONS Title Descri tion Reference Secondary Secondary containment isola- SSES FSAR 15A. 6. 5. 3 Containment tion to minimize radiological Event 41 Isolation effects Radwaste Bldg. Radwaste system building SSES FSAR 15A.6.5.3 Isolation isolation to minimize radi- Event 48 ological effects Liquid Efflu- Liquid effluent system iso- SSES FSAR 15A.6.5.3 ent Isolation lation to minimize radio- Event 48 logical effects 28

Report No. 02-0160-1102 Revision 0 PLANT OPERATING MODE STATE B Reactor Not Shutdown/Head Off SAFETY FUNCTIONS Title Descri tion Reference SCRAM Control rod insertion to SSES FSAR 15A.6.3 prevent fuel damage Events 7, 16 Core Cooling Initial and extended safety- SSES FSAR 15A. 6. 3 grade core cooling to pre-vent fuel damage Event 18 Radioactive Radioactive material release SSES FSAR 15A. 6. 5 Material control to minimize radio- Events 48, 49 logical effects Stored Fuel Stored fuel cooling and SSES FSAR 15A.6.2.3.14 Control reactivity control to pre-vent stored fuel damage Reactor Vessel Reactor Pressure Vessel SSES FSAR 15A.6.3 Isolation Isolation to prevent fuel Events 18, 28, 29 damage Containment Primary Containment Isola- SSES FSAR 15A.6.3 Isolation tion to minimize radiologi- Events 28, 29 cal effects Prohibit Rod Prevention of adverse rod SSES FSAR 15.4.1 Motion motion to prevent exceeding and 15A.6.3, Event 17 fuel limits Reactivity Core nuclear reactivity SSES FSAR 15A. 6. 3 Control control to prevent fuel Events 28, 29 damage Restore AC Establishing on-site or SSES FSAR 15A.6.3 Power off-site AC Power for safety Event 29 systems to prevent fuel damage Containment Initial and extended primary SSES FSAR 15A.6.3 Cooling 'ontainment cooli'ng to pre- Events 28, 29 vent containment damage e? I 29

Report No. 02-0160-1102 Revision 0 PLANT OPERATING MODE STATE B (Cont.)

Reactor Not Shutdown/Head Off SAFETY FUNCTIONS Title Description Reference Control Room Conditioning of Control SSES FSAR 15A.6 ~ 5 Environmental Room environment to prevent Event 41 Control personnel overexposure Secondary Secondary containment iso- SSES FSAR 15A.6.5 Containment lation to minimize radio- Event 41 Isolation logical effects Radwaste Radwaste system building SSES FSAR 15A.6.5 Building isolation to minimize Event 48

.Isolation radiological effects J

Liquid Efflu- Liquid effluent system iso- SSES FSAR 15A.6.5 Isolation lation to minimize radio- Event 48 e ent logical effects 30

Report No. 02-0160-1102

.Revision 0 PLANT OPERATING MODE STATE C Reactor Shutdown/Head On SAFETY FUNCTIONS Title Descri tion Reference SCRAM Control rod insertion to SSES FSAR 15A.6.3 prevent fuel damage Events 7, 15, 24, 43, 44'5, 47 Pressure Nuclear Steam Supply System SSES FSAR 15A.6.3 Relief Pressure relief to prevent Events 8 I 11 14 15 excessive pressure 20I 22'4~ 26'8I 29~ 42'1 g 52~ 53 Core Initial and extended safety- SSES FSAR 15A.6.3 Cooling grade core cooling to prevent Events 8, 12, 14, 15, fuel 18I 20 I 22~ 23'4~

damage 28I 29'2'3'4~

45, 51, 53 Radioactive Radioactive material release SSES FSAR 15A.2.3.1 Material control to minimize radio-logical effects Stored Fuel Stored tionn fuel cooling and SSES FSAR 15A.6.2.3.14 Control reactivity control to pre-vent stored fuel damage Reactor Reactor Pressure Vessel SSES FSAR 15A.6.3 Vessel Isolation to prevent fuel Events 12, 15, 18, 20, Isolation damage 22'3'4'8145 29'3'4, Containment Primary Containment Isola- SSES FSAR 15A. 6.3 Isolation to minimi z'e r adio log i- Events 15, 26, 28, 29, cal effects 42 Prohibit Rod Prevention of adverse rod SSES FSAR 15A.6.3 Motion motion to prevent exceeding fuel limits Reactivity Core nuclear reactivity SSES FSAR 15A.6.3 Control control to prevent fuel Events 20, 28 damage 31

Report No. 02-0160-1102 Revision 0 PLANT OPERATING MODE STATE C (Cont.)

Reactor Shutdown/Head On SAFETY FUNCTIONS Title Descri tion Reference Restore AC Establishing on-site or off- SSES FSAR 15A.6.3 Power site AC Power for safety sos- Event 29P tems to prevent fuel damage Containment Initial and extended primary SSES FSAR 15A.6.3 Cooling containment cooling to pre-vent containment damage Control Room Conditioning of Control Room SSES FSAR 15A.6.5 Environmental environment to prevent per- Events 41, 42 Control sonnel overexposure Secondary Secondary containment isola- SSES FSAR 15A.6.5g Containment tion to minimize radiological 15A.'6.6 Isolation effects Events 41, 42, 50 Suppression Limit contamination release SSES FSAR 15A.6.5 Pool to environment Event 42 Stop Rod Control rod drive processing SSES FSAR 15A.6.5 Ejection support to prevent fuel Event 42 cladding failure Off-Gas System Off-Gas System isolation to SSES FSAR 15A.6.5 Isolation minimize radiological effect Events 46, 47 Radwaste Limit contamination release SSES FSAR 15A.6.5 Building Iso. to environment Events 48, 49 Liquid Efflu- Liquid effluent system iso- SSES FSAR 15A.6.5 ent Isolation lation to minimize radio- Events 48, 49 logical effects 32

Report No. 02-0160-1102 Revision 0 PLANT OPERATING MODE STATE D Reactor .Not Shutdown/Head On SAFETY FUNCTIONS Title Descri tion Reference SCRAM Control rod insertion to SSES FSAR 15A.6.5 prevent fuel damage Event 42 Recirculation Recirculation pump trip .to SSES FSAR 15A.6.5 Pump Trip prevent fuel damage Event 42 Pressure Nuclear Steam Supply System SSES FSAR 15A.6.5 Relief Pressure relief to prevent Event 42 excessive pressure Core Cooling Initial and extended safety- SSES FSAR 15A.6.5 grade core cooling to prevent Event 42 fuel damage Radioactive

~

Radioactive material release SSES FSAR 15A.6.5 Material

~

control to minimize radio- Events 48, 49 logical effects Stored Fuel Stored fuel cooling and SSES FSAR 15A.6.2.3.14 Control reactivity control to prevent stored fuel damage Reactor Vessel Reactor Pressure Vessel SSES FSAR 15A. 6. 5 Isolation Isolation to prevent fuel Event 43 damage Containment Primary Containment Isola- SSES FSAR 15A.6 Isolation tion to minimize radiologi- Event 42 cal effects.

Prohibit Rod Prevention of adverse rod SSES FSAR 15.6.3 Motion motion to prevent exceeding Event 17.

fuel limits Reactivity Core nuclear reactivity con- SSES FSAR 15A.6.3 Control trol to prevent fuel damage Event 29 Restore AC Establishing on-site or off- SSES FSAR 15A.6.3

- Power site AC Power for safety sys- Event 29 tems to prevent fuel damage 33 ~

Report No. 02-0160-1102 Revision 0 PLANT OPERATING MODE STATE D (Cont.)

Reactor Not Shutdown/Head On SAFETY FUNCTIONS Title Descri tion Reference Containment Initial and extended primary SSES FSAR 15A.6.5 Cooling containment cooling to pre- Event 42 vent containment damage Limit Reac- Passive control rod velocity SSES FSAR 15A.6.5 tivity Inser- limiter to prevent fuel Event 40 tion Rate cladding failure Control . Room Conditioning of Control Room SSES FSAR 15A.6.5 Environmental environment to prevent per- Event 42 Control sonnel overexposure Secondary Secondary containment iso- SSES FSAR 15A.6.5 Containment lation tominimize radiologi- Event 42 Isolation cal effects Restrict Loss Flow restrictors limiting SSES FSAR 15A.6.5 of Reactor reactor coolant loss to Events 43, 44, 45 Coolant prevent fuel damage Of f-Gas Sys- Off-Gas System isolation to SSES FSAR 15A.6.5 tem Isolation minimize radiological ef fect Events 46, 47 Radwaste. Radwaste system building SSES FSAR'15A.6.5 Building isolation to minimize radio- Event 48 Isolation logical effects Liquid Efflu- Liquid effluent system iso-' SSES FSAR 15A.6.5 ent Isolation lation to minimize radiologi- Event 48 cal effects Stop Rod Control rod drive processing. SSES FSAR 15A.6.5 Ejection support to prevent fuel Event 42 cladding failure 34

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