ML20203H739
| ML20203H739 | |
| Person / Time | |
|---|---|
| Site: | Zion File:ZionSolutions icon.png |
| Issue date: | 08/01/1986 |
| From: | ABB IMPELL CORP. (FORMERLY IMPELL CORP.) |
| To: | |
| Shared Package | |
| ML20203H731 | List: |
| References | |
| RTR-REGGD-01.097, RTR-REGGD-1.097 NUDOCS 8608050079 | |
| Download: ML20203H739 (45) | |
Text
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SUMMARY
REPORT-i EVALUATION OF PLANT VARIABLES FOR COMPLIANCE TO REGULATORY GUIDE 1.97, REV. 2 ZION STATION UNITS 1 & 2 4
Prepared for:
COMMONHEALTH EDISON COMPANY Prepared by:
Impell Corporation 2345 Haukegan Road Bannockburn, IL 60015 Revision 0 August 1,1986 l
l 8608050079 860801 t
PDR ADOCK 05000295 p
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DATE: August 1, 1986 REVISION: 0 9
EVALUATION OF PLANT VARIABLES FOR COMPLIANCE TO REGULATORY GUIDE 1.97, REV. 2 ZION STATION UNITS 1 & 2 TABLE OF CONTENTS P39a EXECUTIVE
SUMMARY
i
1.0 INTRODUCTION
1 2.0 TECHNICAL APPROACH 1
3.0 REFERENCE DOCUMENTS 7
4.0 PARAMETER
SUMMARY
TABLE 8
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DATE: August 1, 1986-REVISION: 0 EVALUATION OF PLANT VARIABLES FOR COMPLIANCE TO REGULATORY GUIDE 1.97, REV. 2 ZION STATION UNITS 1 & 2 EXECUTIVE
SUMMARY
Commonwealth Edison has evaluated the existing Zion plant instrumentation to determine if the criteria outlined in the Regulatory Guide 1.97 (hereinafter called RG1.97) are met.
The methodology used is delineated in Section 2.0, Technical Approach.
Every variable identified in RGl.97, Table 2 has been reviewed for its applicability to Station-specific requirements.
Other requirements of Supplement I to NUREG-0737 (the design of the Safety Parameter Display System (SPDS), detailed control room design review (DCRDR),
development of functicr.-oriented emergency operating procedures, signal inputs to the Technical Support Center (TSC) and Emergency Offsite Facility (EOF) and operating staff training) are being integrated by Commonwealth Edison Company with respect to the overall enhancement of operator ability to determine plant conditions and respond to emergencies.
These items are not the subject of this report.
RGl.97 variables are grouped into 5 types:
A, B, C, D and E.
Type A variables are those which the operator requires in order to perform specific manually controlled safety functions for which no automatic control is provided.
Type B variables provide information to the operator to indicate whether or not the Station safety functions are being accomplished.
Type C variables provide information to indicate the potential or actual breach of fission product barriers.
Type D variables provide the operator with indication of the operation of individual safety systems.
Type E variables are used to determine continually the extent of radioactive material releases to the environment.
A total of 96 variables were reviewed for RG1.97 compliance. Of these, 83 are in compliance and 13 require addition to the EQ program or physical i
modification.
Section 1.0 of this report contains an introductory discussion.
Section 2.0 contains an elaboration of the technical approach ured. Section 3.0 contains i
references of documentation reviewed.
Section 4.0 contains the Parameter Comparison Table. Notes to the Table reflect the resolution or justification (if needed) to clarify our evaluation of RG1.97 compliance.
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DATE: August 1 1986.
0 REVISION: 0 EVALUATION OF PLANT VARIABLES FOR COMPLIANCE TO REGULATORY GUIDE 1.97, REV. 2 ZION STATION UNITS 1 & 2
1.0 INTRODUCTION
This report summarizes the evaluation of Zion Station Units 1 and 2 for compliance to the Nuclear Regulatory Commission Regulatory Guide 1.97 (Revision 2), " Instrumentation for Light-Hater-Cooled Nuclear Power Plants to Assess Plant and Environs Conditions During and Following an Accident" an delineates the extent to which existing plant instrumentation meets the requirements of each variable identified in the Regulatory Guide.
In assessing the compliance with RG1.97, Commonwealth Edison researched information contained in various Station documents listed in Section 3.0 of this report.
Each variable listed in the Parameter Comparison Table corresponds to a listed variable in RG1.97.
The results of the review of each variable are provided in the Parameter Summary Table provided in Section 4.0 of this report. Deviations from the guidance in RG1.97 are explicitly identified with supporting justification or resolution alternatives.
Additionally, modifications which may be required are also identified as footnotes to the Summary Table.
2.0 TECHNICAL APPROACH LThe evaluation began with a survey of the as-built plant configuration to examine which systems are applicable to RG1.97 requirements.
The survey included the attributes and qualification requirements of existing instrumentation which may be used to fulfill the Reg. Guide requirements. A review of available design documentation combined with a plant visit was performed to confirm documentation and instrumentation parameters.
The documents reviewed are referenced in Section 3.0.
After gathering the basic data for each parameter, the data was analyzed to determine the degree of compliance with RG1.97. A Parameter Summary Table (Section 4.0) was developed listing the following characteristics of each variable:
o Description o
Safety Class (SR or NSR) o Category o
Environmental qualification status o
Type o
Seismic qualification status o
Required range o
Channel redundancy o
Existing range o
Single failure susceptibility o
Sensor instrument number o
Assoc. instr. power supply bus o
Display instrument number o
Compliance determination o
Display location If the instrumentation did not meet some provisions of RG1.97, either justification was provided that the existing instrumentation should remain and the acceptability of the deviation was explained (Yes - complies) or recommendations were made for the replacement or modification of instrumentation to meet RG1.97 (No - does not comply).._ _
F DATE: August 1, 1986 REVISION: 0 The selection of 15 Type A variables for Zion Station was based on an analysis of the tasks the operator is required to perform as delineated in the Zion Emergency Operating Procedures. These Type A variables and the criteria for selecting them are listed in Table 2-1.
The applicable Type B, C, D and E variables for Zion Stat 1on were selected directly from RGl.97, Table 2.
Variable ranges identified in RGl.97 for Types A, B, C, D and E variables are listed in the Parameter Summary Table under " Required Range".
Environmental Oualification In accordance with the requirements of 10CFR50.49, Comonwealth Edison has established an EQ program.
Environmental zone maps wera established which identified the temperature, pressure and radiation values in various locations of the plant. That equipmnent which performed a safety-related function and was located in a harsh environment was included in the program to be environmentally qualified for its respectiv'e location.
Safety-related equipment in a mild environment is not included in the EQ program.
The approach taken for RGl.97 compliance evaluation regarding environmental qualification was to utilize, to the extent possible, the work that was performed under the EQ program.
Instruments that were not previously covered under the EQ program but are required to fulfill Category 1 or Category 2 requirements of RGl.97 will be added to the EQ program, ore justification has been provided.
All instrument cables (including original design) have been included in the environmental qualification program for Zion Station.
The environmentally qualified cables are identified in the EQ program for Zion Station.
Seismic Oualification The seismic design criteria for instrumentation at Zion Station Units 1 & 2 have not changed from the original design. The seismic requirements for all equipment are delineated in Section 3.2 of the Final Safety Analysis Report l
(FSAR). All instrumentation that needs to be seismically qualified to meet i
the requirements of Regulatory Guide 1.97, Revision 2 has beer: evaluated to the seismic requirements of the FSAR. All Category 1 instruments require I
seismic qualification.
Power Sources 1
l Power sources for instrumentation have been checked for their ability to provide power under post-accident conditions.
Each bus has a main source and at least one backup or reserve scurce of power.
Figure 2-2 depicts the Class lE power buses identified in the Parameter Summary Table and the power flow scheme.
Even though Zion Station was licensed prior to the categorization of j
power sources as Class lE or non-lE, the power sources and their reserve i
sources provide the required reliability and electarical separation to meet the intent of RGl.97.
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DATE: August 1 1986 0
REVISION: 0 0
Each Category 1 variable requires redundancy to ensure that at least one safety-related channel provides the necessary information to the operator.
Existing instrumentation for every Category 1 variable was checked to verify that the redundant loop receives power from a different bus.
Neither Category 2 nor Category 3 instrumentation requires redundant power sources. Therefore, only one power source for these categories of monitoring instrumentation is required.
Quality Assurance Reauirements QA requirements (including quality class of instrumentation) are delineated in the Zion FSAR. These requirements control the purchases and installation of instrumentation at the Zion Station. All safety-related instrumentation is subject to the QA requirements outlined in the FSAR.
Identification of Post-accident Monitorina Instruments RGl.97 suggests that accident monitoring instrumentation be uniquely identified to aid the operator during accident conditions. This item is being addressed in the Zion Detailed Control Room Design Review, not as a specific RGl.97 evaluation issue, i
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I DATE: August 1, 1986 TABLE 2-1: TYPE A VARIABLES REVISION: 0 VARIABLE SELECTION CRITERIA (Resultant Manual Action) 1.
RCS Hot Leg Water Temp (Wide Range) a.
Determine RCS sa';uration temperature for core subcooling margin calculations.
b.
Cooldown of RCS.
c.
Isolate accumulators during post-LOCA cooldown and depressurization.
l 2
RCS Cold Leg Water Temp. (Wide Range) a.
Control cooldown rate during RCS cooldown and depressurization.
i 3.
RCS Pressure a.
Initiate / terminate safety injection.
b.
Place low temperature overpressure protection system in service.
c.
Initiate / terminate controlled RCS depressurization.
d.
Determine RCS saturation temperature for core subcooling margin calculations.
e.
Open/close charging pump miniflow isolation valves.
f.
Place RHR system in service for cold shutdown.
g.
Stop reactor coolant pumps.
h.
Reduce safety injection flow.
4.
Steam Generator Level (Wide Range) a.
Isolate faulted steam generator (SG) following main steam line break or steam generator tube rupture, b.
Control aux, feedwater flow to prevent SG overfill.
c.
Terminate safety injection.
5 Steam Generator Level (Narrow Range)
Same as Parameter #4.
6 Pressurizer Level a.
Initiate /termiante safety injection.
b.
Initiate / terminate controlled RCS depressurization.
7.
Steam Line Pressure a.
Initiate / terminate controlled RCS depressurization.
b.
Isolate faulted SG following main steam line break or SG rupture.
. i 4
a
~
8.
Containment Pressure a.
Detemine the exist:nce of advars centainment environment.
9.
Refueling Water Storage Tank Level a.
Initiate cold-leg recirculation following a LOCA.
10 Containment Water Level (Wide Range) a.
Initiate cold-leg recirculation following a LOCA.
- 11. Auxiliary Feedwater Flow a.
Teminate safety injection.
12 Containment Radiation Level a.
Detemine the existence of adverse containment environment.
- 13. Core Exit Temperature a.
Cooldown RCS during steam generator tube rupture.
b.
Detemine RCS saturation temperature for core subcooling margin calculations.
- 14. RCS Subcooling a.
Isolate accumulators during post-LOCA cooldown and depressurization.
b.
Start /stop ECCS pumps during post-LOCA cooldown and i
depressurization.
l c.
Initiate / terminate controlled RCS depressurization following a SG tube rupture.
d.
Initiate /teminate safety injection.
- 15. Condensate Storage Tank Level a.
Maintain source of cooling water for secondary heat sink operation.
b.
Begin natural circulation cooldown following a loss-of-onsite power. c=
to CC 01 M
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3.0 REFERENCES
The following references were used in performance of the RG1.97 compliance evaluation:
NRC Regulatory Guide 1.97, Revision 2, " Instrumentation for Light-Hater-Cooled Nuclear Power Plants to Assess Plant and Environs Conditions During and Following an Accident" Original and Updated Fi al Safety Analysis Report for Zion Station Hestinghouse System Descriptions Emergency Operating Procedures Plant Technical Specifications Power Distribution Key Diagrams Piping and Instrumentation Diagrams Instrument Loop Schematic Diagrams Control Schematic Diagrams Control Panel Front Elevation Drawings Instrument Index Instrument Data Sheets Westinghouse Instrument Specification Sheets SPDS Input Signal List Environmental Qualification (EQ) Index and EQ Binders Environmental and Seismic Qualification Reports Environmental Zone Maps DATE: August 1, 1986 REVISION: 0 4.0 PARAMETER
SUMMARY
TABLE The Parameter Summary Table that follows is composed of two sheets. A description of the various columns in the Parameter Comparison Table is as follows:
Column Definition Variable:
The PWR variable being monitored as listed in RGl.97, Revision 2, Table 2.
Category:
The set of design and qualification criteria per RGl.97 applicable to the instrumentation associated with the variable.
There are 3 categories.
Type:
The classification of the variable based on how the information for the parameter is used by the operator, as defined by ANS-4.5 and RGl.97.
Required Range:
The specific range required, as stated in Table 2 of RGl.97 or defined for Type A plant-specific variables.
Existing Range:
The actual range of applicable instrumentation for the parameter, as found in plant documentation.
Sensor Instrument Number:
The tag number of the primary sensor (s) which transmits information of the RGl.97 variable to the operators.
Display Instrument Number:
The tag number of the control panel instrument providing process information to the operators.
Display Location:
The equipment number of the panel where the display instrument is mounted.
Current Safety Class:
Classification of the instrumentation as either safety-related (SR) or non l
safety-related (NSR).
l Current Environmental Classification of the instrument as "EQ" Qualification:
or "NON" EQ indicating whether or not it is currently in CECO's EQ program.
"N/A" states that environmental qualification is not required for a particular variable Type. :
r
'U DATE: August 1,1986 REVISION: 0 Column Definition Current Seismic Qualification:
Identification of seismic classification as defined in the Instrument Index, indicating the level of qualification.
Items identified as " CAT I" indicate that the items have been designed and procured as " Seismic Class 1" as defined in the FSAR.
Channel Redundancy:
"Yes" or "No" indicating whether the i
variable is displayed via redundant instrumentation.
Meets Single Failure Criterion:
"Yes" or "No" indicating whether the single failure criterion of IEEE Standard 379-1977 is met by the instrumentation.
Instrument Power Supply Bus:
The number of the electrical power bus that feeds the instrumentation.
Complies with RGl.97:
"Yes" or "No" designating compliance with RG1.97, Revision 2.
Variables not in compliance have the associated resolution or justification covered in footnotes to the Parameter Summary Table.
4.. _. -. _ _ _
REQUIRED EXISTING SENSOR DISPLAY DISPLAY VARIABLE CATEGORY TYPE RANGE RANGE INSTR, NO.
INSTR. NO.
LOCATI0li
...................................................................................................................................................e.........
1.
RCS Hot Leg) Water Temp.
1 A
50*F-750*F 0-700*F TE-413A TR413 PEN 1 CB06 (Wide Range TE-423A TR423 PEN 1 CB06 TE-433A TR433 PEN 1 C806 TE-443A TR443 PENI CB06 2.
RCS Cold Leg Water Temp.
1 A
50*F-750 *F 0-700*F TE-413B TR413 PEN 2 C606 4
(Wide Range)
TE-423B TR423 PEN 2 CB06 TE-4338 TR433 PEN 2 CB06 l
TE-4438 TR443 PEN 2 CB06 4
)
3 RCS Pressure 1
A 0-3000 psig 0-3000psig PT 403 PI403
- CB06, (Wide Range)
PT 405 PR403 PENI CB07 PI403A CB06 PR403 PEN 2 C806 4
Stram Generator Level 1
A From tube 0-575" WC LT-501 LIS01B, LP501 CBOS
'1 (Wide Ran9e) sheet to (0-1001 span)
LT-502 LIS02B, LR502 0805 bottom of LT-503 LIS038, LR503 CB05 Chevron LT-504 LISO4B, LR5G4 C805 boxes 5.
Steam Generator Level 1
A Top of 0-150" LT-517,518,519 LI 517, 518, 519 C805 (Narrow Range) tubes to (0-1005 span)
LT-527,528,529 LI 527, 528, 529 CB05 bottom of LT-537,538,539 LI 537, 538, 539 CB05 Chevron LT-547,548,549 LI 547, 548, 549 C805 boxes a
I 6.
Pr:ssurizer Level 1
A Bottom to 0-526" LT-459 LI 459A CB06 top (0-1001 span)
LT-460 LR 459 PENI CB06 LT-461 LI 460A C806 LI 461 CB06 i
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REQUIRED EXISTING SENSOR DISPLAY DISPLAY VARIA2 E CATEGORY TYPE RANGE R/JCE INSTR. NO.
INSTR. NO.
LOCATION
.............................................................................r...........................................................................
7 Steam Line Pressure 1
A 0-1260 psig 0-3000 PSIG PT-514 PI 514A C805 PT-516 PI 516 0805 PT-524 PI 524A CB05 PT-525 P1525 CBOS PT-534 PI 534A CB05 PT-536 PI 536 C805 PT-544 PI 544A CBOS PT-545 PI 545 0805 PT-515 PI 515 C805 PT-526 PI 526 CB05 PT-535 PI 535 C805 PT-546 PI 546 CBOS 8.
Containment Pressure 1
A 0 to 65 psig
-5 to 4200 PSIG PT-0550 PI-C550, PR-CS50 CB10 PT-CSS)
PI-CSS 1 0816 9.
Refueling Water Storage 1
A 0-400,000 gal.
0-37 ft.
LT-920 LI 920 CC12 Tank Level LT-921 LI 921 CB12
- 10. C:ntainment Sump Water Level 1
A 0-600,000 gal.
0-125" LT-CS46 LI-CS46 0B08 (Wide Range)
LT-CS47 LI-CS47 CB08 11, Auxiliary Fee & vater Flow 1
A 0-1001 0-200" WC FT-FWO2 FI-FWO2 CB12 design flow FT-FWO3 FI-FWC3 CB12 FT-FWO4 FI-FWO4 CB12 FT-FW25 FI-FW25 CB12 l
1-10 R/hr.
1-108 R/hr RE-AR02 RR-AR02 CB73, CAB.C 4
- 12. Crntainment Area Radiation 1
A RE-AR03 RR-AR03 CB73, CAB.C
- 13. Care Exit Temperature 1
A 200'-1650*F 0*-2500*F T-0001 thru TIR-CC01 CB21 T-0065 Data Logger
- 14. RCS Subcooling 1
A 200'F Subcooling WR: 350-2300 psi WR: PT403 WR: PI-403 CB06 to 35*F NR: 2200-2270 psi NR: PT455 NR: PI-455 C806 Superhea t PT456 PI-456 0B06 PT457 PI-457 CB06 PT458 PI-458 C806
)
REQUIRED EXISTING SENSOR DISPLAY DISPLAY VARIABLE CATEGORY TYPE PJueGE RANGE INSTR. NO.
INSTR. NO.
LOCATION
.u....
s...........
3..s.
a...
- 15. Condensate Storage Tank Level 1
A 0-500,000 0-21 ft 6T-CD94 LI-CD94A CB04 gal.
LI-CD139 CB04 (0-20.2ft)
Reactivity Control:
10-6 -1001 Sourte to 1201 Source: NE31, NIC-0031,0032 CB22, CB23 1
- 16. Neutron Power 1
a Full Power Full Power NE32 Interinediate:
NIC-0035,0036 CB24,CB25 NE35,NE36 Power: NE41 NIC-0041,0042, CB06 NE42.NE43,Nie4 0043,0044
- 17. Control Rod Position 3
B Full in or Full in to RPI RPI CB06 Full out F911 out (0-228 steps) l
B 0-6000 ppe 0-6000 ppe Sample Tap Titration Hot Lab.
Analyzer j
C?rs Cooling:
- 19. RCS Hot i et Water Temp.
1 8
50*F-750*F 0-700*F TE-413A TR413 PEN 1 CB06 TE-423A TR423 PENI C806 (Wide Range)
TE-433A TR433 PEN 1 CB06 TE-443A TR443 PENI CB06
- 20. RCS Cold Leg Water Temp.
1 B
50*F-750 *F 0-700*F TE-413B TR413 PEN 2 CB06 TE-423B TR423 PEN 2 CB06 (Wide Range)
TE-433B TR433 PEN 2 CB06 TE-443B TR443 PEN 2 CB06
- 21. RCS Pressure 1
B 0-3000psig 0-3000 psig PT 403 PI-403 CB06 PT 405 PR-403 PEN 1 0807 (Wide Range)
PI-403A CB06 PR-403 PEN 2 CB06
- 22. Ctre Exit Temperature 3
B 200*-1650*F 0-2500*F T-0001 thru TIR-CC01 CB21 T-0065 Data Logger i
E
REQUIRED EXISTING SENSOR DISPLAY DISPLAY VARIABLE CATEGORY TYPE RANGE RANGE INSTR. NO.
INSTR. NO.
LOCATION seasemassemesssssssssessemammessassesmessassumesessenessemassasssemammessemassessassosssessssassenssamassessamesessammamessemenmassenessemassssemassessemasse
- 23. Coolant Level in Reactor 1
B Bottom of core Narrow :
LT-1311,1312 LI-1311.1312 CB06 to top of vessel 0"-500" WC CAL:0"-480" LT-1321,1322 LI-1321, 1322 CB06 Wide:
0"-500" 1000" WC CAL:
0" -
960"
- 24. RCS Subcooling 2
B 200"F Subcooling WR: 350-2300 psi WR: PT-403 WR: PI-403 CB06 to 35"F NR: 2200-2270 psi NR: PT-455 NR: PI-455 CB06 Superheat PT-456 PI-456 C806 PT-457 PI-457 C806 PT-458 PI-458 CB06 Maintaining Reactor Coolant System Integrity:
- 25. RCS Pressure 1
B 0-3000 psig 0-3000 psig PT 403 PI-403 CB06 (Wide Range)
CB07 PI-403A CB06 PR-403 PEN 2 C806 I
- 26. Containment Sump Water Level 2
B Sump 0-42" LT-CS48, C549 LI-CS48, CS49 CB08 (Nirrow Range)
C808 C809
- 27. Containment Simp Water Level 1
B 0-600,000 gal.
0-125" LT-CS46, CS47 LI-CS46, CS47 C808 (Wide Range)
- 28. Containment Pressure 1
B 0 to 65 psig
-5 to +200 psig PT-CS50 PI-CS50, PR-CS50 CB10 PT-CSSI PI-CSSI CB16 Maintaining Containment Integrity:
- 29. Containment Isolation Valve Position Indication a.
MOV's/H0V's 1
B Closev' or Closed or See List See List See List not closed not closed b.
Purge Valves - ADV's 1
B Closed or Closed or See List See List See List not closed not closed c.
Other A0V's/SOV's 1
B Closed or Closed or See List See List See List not closed not closed
.l Page 1 of-4 VARIABLE 29 - CONTAINMENT' ISOLATION VALVE POSITION a.
MOVs/H0Vs Display No.
SensorNo.(Limit (Ind. Light w/
Display Inst. Pwr.
SW. on Valve)
Control SW.)
Location Supply Bus VC8100 V8100 CB07 MCC1393C CC9414 V9414 CB10 MCC1393B CC9413A V9413A CB08 MCC1372
~
CC94138 V9413B CB09 MCC1383A CC9438 V9438 CB09 MCC1383A FCV-685 FCV685 CB08 MCC1372 VC8105 V8105 CB07 MCC1371 VC8106
'V8106 CB07 NCC1393C MS0001 HS-MS41 CB12 DC CAB. 112 MS0002 HS-MS42 CB12 DC CAB. 113 MS0003 HS-MS43 CB12 DC CAB. 113 MS0004 HS-MS44 CB12 DC CAB. 111 b.
A0Vs CC9437 V9437 CB10 DC 0 113 FCV-WD17A HS-WD12A CB11 MCC1371 FCV-WD17B HS-WD128 CB11 MCC1381B RC8025 8025 CB06 DC @ 112 RC8026 8026 CB06 DC 0 113 RC8028 8027 CB06 DC 0 112 RC8029 8029 CB06 DC @ 113 RC8024 8024 CB06 DC @ 112 RC8033 8033 CB06 DC @ 113
U Paga 2 of 4-VARIABLE 29 - CONTAINMENT ISOLATION VALVE POSITION (Continued) b.
A0Vs Display No.
Sensor No. (Limit (Ind. Light w/
Display Inst. Pwr.
SW. on Valve)
Control SW.)
location Supply Bus VC8152 V8152 CB07 DC 0 112 VC8153 V8153 CB07 DC 0 113
)
DT9157 HS-DT04 CB11 MCC1371 DT9159A HS-DT02A CB11 MCC1371 DT91598 HS-DT028 CB11 MCC13818 DT9160A HS-DT03A CB11 MCC1371 DT9160B HS-DT03B CB11 MCC1381B DT9170 HS-DT01B CB11 MCC1381B LCV-DT1003 HS-DT1003 CB11 MCC1371 SI8880 V8880 CB08 DC 0 111 SS9354A HS-SS08A CB11 MCC1371 SS9354B HS-SS088 CB11 MCC1381B SS9355A HS-SS09A CB11 MCC1371 SS93558 HS-SS098 CB11 MCC1381B SS9356A HS-SS10A CB11 MCC1371 SS9356B HS-SS10B CB11 MCC1381B SS9357A HS-SS07A CB11 MCC1371 SS93578 HS-SS078 CB11 MCC1381B c.
S0Vs BD0001 HS-BD11 CB12 112 BD0002 HS-BD12 CB12 112 B00003 HS-BD15 CB12 112 B00004 HS-BD16 CB12 112 BD0005 HS-BD13 CB12 112
Page 3 of 4 VARIABLE 29 - CONTAINMENT ISOLATION VALVE POSITION (Continued) c.
S0Vs Display No.
Sensor No. (Limit (Ind. Light w/
Display Inst. Pwr.
SW. on Valve)
Control SW.)
Location Supply Bus BD0006 HS-BD14 CB12 112 BD0007 HS-BD09 CB12 112 BD0008 HS-BD10 CB12 112 FCV-BD17 HS-BD17 CB11 MCC1371 FCV-SS02 HS-SS02 CB11 MCC1371 FCV-SS03 HS-SS03 CB11 MCC1371 FCV-SSO4 HS-SS04 CB11 MCC1371 FCV-SS05 HS-SS05 CB11 MCC1371 FCV-VN02A HS-VN02A CB11 MCC1371 FCV-VN02B HS-VN028 CB11 MCC1381B FCV-VF01A HS-VF01A CB11 MCC1371 FCV-VF01B HS-VF01B CB11 MCC1381B FCV-PR19A HS-PR19A CB11 MCC1371.
FCV-PR19B HS-PR198 CB11 MCC1381B FCV-PR20A HS-PR20A CB11 MCC1371 FCV-PR20B HS-PR20B CB11 MCC1381B FCV-PR21A HS-PR21A CB11 MCC1371 FCV-PR21B HS-PR21B CB11 MCC1381B FCV-PR22A HS-PR22A CB11 MCC1371 FCV-PR228 HS-PR228 CB11 MCC1381B FCV-PR23A HS-PR23A CB11 MCC1371 FCV-PR238 HS-PR23B CB11 MCC1381B FCV-PR24A HS-PR24A CB08 111 FCV-PR24B HS-PR24B CB09 112 l
k Pags 4 of 4 VARIABLE 29 - CONTAINMENT ISOLATION VALVE POSTTION (Continued) c.
S0Vs Display No.
Sensor No. (Limit (Ind. Light w/
Display Inst. Pwr.
SW. on Valve)
Control SW. )
Location Supply Bus FCV-SA01A HS-SA01A CB11 MCC1371 FCV-SA01B HS-SA01B CB11 MCC1383B FCV-IA01A HS-IA01A CB11 MCC1371 FCV-IA01B HS-IA01B CB11 MCC1383B FCV-RV111 HS-RV111 CB11 MCC1371 FCV-RV112 HS-RV112 CB11 MCC1383B FCV-RV113 HS-RV113 CB11 MCC1371 FCV-RV114 HS-RV114 CB11 MCC1383B RV0001 (INB.)
HS-RV40A CB11 NCC1371 RV0002 HS-RV40B CB11 MCC1383B RV0003 (INB.)
HS-RV41C CB11 MCC1371 RV0004 HS-RV410 CB11 MCC1383B RV0005 HS-RV81C CB11 MCC1371 RV0006 HS-RV81D CB11 MCC1383B FCV-MS0082 HS-MS82 CB08 DC @ 111 FCV-MS0083 HS-MS83 CB08 DC @ 111 FCV-MS0084 HS-MS84 CB08 DC @ 111 FCV-MS0085 HS-MS85 CB08 DC 0 111
REQUIRED EXISTING SENSOR DISPLAY GISPLAY VARIABLE CATEGORY TYPE RANGE RANGE INSTR. NO.
INSTR. 51 LOCAi!ON
.es...
- 30. Containment Pressure 1
B 0 to 65psig
-5 to +200 psig PT-CS50 PI-CSSO, PR-CS50 CB10 PT-CSSI PI-CSSI CB16 Fuel Cladding:
- 31. Car 2 Exit Temperature 1
C 200*-1650*F 0*-2500*F T-0001 thru TIR-CC01 CB21 T-0055 Data Logger
- 32. R dioactivity Concentration or 1
C 1/2 Tech Spec 1 uCf/gm to Sample Tap Ortec 7040 Spec.
R diation Level in Circulating Limit to 100 10 Cis p MCA Room Primary Coolant times Tech Spec GE (L1)
Limit
- 33. Analysis of Primary Coolant 3
C 10 uC1/p 1 uC1/p to Sample Tap Orect 7040 Spec.
(Gasuna Spectrum) to 10 Ci/p 10 C1/gm MCA Room GE (LI)
Rracter Coolant Pressure Boundary:
- 34. RCS Pressure 1
C 0-3000 psig 0-3000 psig PT 403 PI-403 CB06 (Wide Range)
PT 405 PR-403 PEh1 0807 PI-403A CB06 PR-403 PEN 2 CB06
- 35. Containment Pressure 1
C 0 to 65 psig
-5 to +200 PSIG PT-CSSO PI-C550, PR-CS50 CB10 PT-0551 PI-CSSI CB16
- 36. Containment Simp Water Level 2
C Sump 0-42' LT-CS48, C549 LI-CS40,CS49 CBOS (Narrow Range)
CB08 CB09
- 37. Containment Simp Water Level 1
C 0-600,000 gal.
0-125" LT-CS46, C547 LI-CS46,CS47 CB08 (Wide Range)
- 38. Containment Area Radiation 3
C 1-104 R/hr 1-108 R/hr RE-AR02 RR-AR02 CB73, CAB.C RE-AR03 RR-AR03 CB73, CAB.C 10-6 u 10-106 RE-0015 RR-0015 CB13
- 39. Effluent Radioactivity 3
C to 10 gi/cc cpm Noble Gas Effluent From Concenser uC1/cc Air Removal System Exhaust No Vent Flow Instrumentation Exists; Instruments are Calibrated Based on Full Flow Design Conditions.
I o
REQUIRED EXISTING SENSOR DISPLAY DISPLAY VARIABLE CATEGORY TYPE RANGE RANGE INSTR. NO.
INSTR, NO.
LOCATION Containment:
- 40. RCS Pressure 1
C 0-3000 psig 0-3000 psig PT 403 PI-403 CB06 (Wide Range)
PT 405 PR-403, PINI C807 PI-403A CB06 PR-403, PEh?
CB06
- 41. Containment Hydrogen 1
C 0-10%
0-10%
AE-RV147 Al-RV147 CB09 Ccncintration (10 psia to AE-RV148 Al-RV148 CB09 max design pressure)
- 42. Containment Pressure 1
C 0 to 65 psig
-5 to + 200 psig PT-CS50 PI-CS50 PR-CS50 CB10 PT-C551 PI-C551 CB16
- 43. Ctntainment Effluent 2
C 10-6 uC1/cc to 10-106 RT-PR09A RR-PR17 CB73. CAB.A cpm R;dioactivity Noble Gases 10-2 uti/cc from Identified Release Points
- 44. Containment Area Radiation 2
C 1-104 R/hr 1-10B R/hr RE-AR02 RR-AR02 CB73, CAB.C RE-AR03 RR-AR03 CB73, CAB.C
- 45. Effluent Radioactivity - Noble 2
C 10-6uC1/cc to 10-106 RIA-PR49 RRC-PR48 Control Room cpm Gasts (From Buildings or Areas 103 uC1/cc Center Desk Whira Penetrations and Hatches are Located, e.g., Auxiliary Pldg.
- 46. RHR System Flow 2
D 0-110%
0-59.5" H O FT-970A FI-970A CB12 2
design flow FT-971 A F I-971 A 0812 0-800" H O FT-970B FI-970B CB12 2
FT-9718 F1-971B CB12
- 47. RHR Heat Exchanger Outlet 2
0 32*-350*F 50*-400*F TE-504 TR-612 PEN 2 0812 Temperature TE-605 TR-613 PEN 2 CB12 Safity Injection Systems:
- 48. Accumulator Tank Level and 2
D 10-90% Volume 20-951 Volume LT-950 thru 953 LI 950 thru 953 CB12 Pressure 0-750psig 0-700 PSIG LT-954 thru 957 LI 954 thru 957 CB12 PT-960 thru 963 PI-960 thru 963 CB12 PT-964 thru %7 PI M4 thru %7 CB12 c-
REQUIRED EXISTING SENSOR
- DISPLAY DISPLAY VARIABLE CATEGORY TYPE RANGE RANGE INSTR. NO.
INSTR. NO.
LOCATION
- 49. Accumulator Tank Isolation 2
D closed or open closed or open MOV-SI8808A V8808A CB09 V31ve Position MOV-SI88088 V88088 C809 MOV-SIB 808C V880BC 0809 MOV-SI8808D V8808D CB09
- 50. Biric Acid Transfer Ptamp Flow 2
D 0-110%
0-10 gpm FIT 110 FI-110 CB06 design flow (0-100% flow)
FR-110, PENI C806
- 51. Flow in HPI System 2
D 0-110%
0-3200" H O FT-922 FI-922 CB12 2
(Cent. chg. pumps, SI pianps) design flow 0-25 PSI FT-932 FI-932 CB12 FT-924, 925 FI-924, 925 CBU7 F1-926, 927 FI-925, 927 CB07
0-1101 0-59.5" H O FT-970A FI-970A CB12 2
design flow FT-971A FI-971A CB12 0-800" H O FT-9708 FI-9708 CB12 2
F T-9718 FI-971B CB12
- 53. R2 fueling Water Storage 2
D 0-400,000 gal 0-37 ft LT-920 LI-920 CB12 Tank Level LT-921 LI-921 CB12 Primary Coolant System:
- 54. RIactor Coolant Pump Status 3
D Motor Ca.rrent 0-1200A RC Pump 1A, IB, Anuneters CB06 1C, ID 55a. Primary System Power 2
D Closed or Closed or MOV-RC8000A 8000A CB06 Operated Relief Valve not closed open MOV-RC8000B 80008 CB06 55b. Primary System Safety 2
D Closed or Closed or TE-464 TI-464 CB06 Relief Valve Positions not closed open TE-465 TI-465 CB06 TE-466 TI-466 CB06
- 56. Pressurizer Level 1
D Bottom to 0-526" LT-459 LI 459A CB06 f
top (0-100% span)
LT-460 LR 459, PENI CB06 LT-461 LI 460A CB06 LI 461 CB06 i
$7. Pressurizer Heater Status 2
D Electric 0-300A SWGR 137 OII-APO4 CB70 current SWGR 138 II-AP47 CB71 SWGR 139 II-AP58 CB72 SWGR 137 Ind. Lights LP69 SWGR 138 Ind. Lights LP67 SWGR 139 Ind. Lights CB05 O
REQUIRED EXISTING SENSOR DISPLAY DISPLAY VARIABLE CATEGORY TYPE RANGE RANGE INSTR. NO.
INSTR NO.
LOCATION e.
- 58. Pr2ssurizer Relief Tank Level 3
D Top to 0-100* WC LT-470 LI-470 C806 bottom
- 59. Pressurizer Relief Tank Temp.
3 D
50*-750"F 50*-400*F TE-468 TI-468 CB06
- 60. Pr2ssurizer Relief Tank Pressure 3 0
0 to design 0-100 psig PT-469 PI-469 CB06 pressure Secondary System (Steam Generator:
- 61. Steam Generator Level 1
D From tube 0-575" WC LT-501 LI-5018 LR-501 C805 (Wide Range) sheet to (0-100% Span)
LT-502 LI-502B, LR-502 0805 bottors of LT-503 LI-503B, LR-503 C805 Chevron LT-504 LI-504B, LR-504 C805 boxes C805
- 62. Steam Line Pressure 2
D 0-1260 PSIG 0-3000 psig PT-514 PI 514A CB05 PT-516 PI 516 0B05 PT-524 PI 524A CB05 PT-525 PI-525 CB05 PT-534 PI 534A CB05 PT-536 PI 536 CB05 PT-544 PI 544A CB05 PT-545 PI 545 0805 PT-515 PI 515 C805 PT-526 PI 526 C805 PT-535 PI 535 C805 PT-546 PI 546 CB05
- 63. Safety / Relief Valve Positions 2
D Closed or 0-300" H O FT-512 FI-512,FR510 PEN 1 CB05 2
Or/ Main Steam Flows not closed FT-513 FI-513,FR510 PENI CB05 FT-522 FI-522,FR520 PEN 1 C805 FT-523 FI-523,FR520 PEN 1 CB05 FT-532 FI-532,FRS30 PENI CB05 FT-533 FI-533,FR530 PEN 1 0805 FT-542 FI-542,FR540 PENI CB05
' FT-543 FI-543,FR540 PEN 1 CB05
- 64. Main Feedwater Flow 3
D 0-100%
0-600" H O FT-510 FI-510A,FR510 PEN 2 CB05 2
design flow 0-600" H O FT-511 FI-511, FR510 PEN 2 0805 2
0-600" H 0 F T-520 FI-520A.FR520 PEN 2 C805 0-600" H 0 FT-521 FI-521, FRS20 PEN 2 CB05 0-600" H 0 FT-530 FI-530A,FR530 PEN 2 C805 0-600" H FT-531 FI-531 A,FR530 PEN 2 C805 0-600" H FT-540 FI-540A FR540 PEN 2 C805 0-600" H FT-541 F1-541 A,FR540 PEN 2 CB05 0-300" H FT-FW19 FI-FW19 C805 0-300" H 0 FT-FW20 FI-FW20 C805 0-300" H 0 FT-FW21 FI-FW21 0805
REQUIRED EXISTING SENSOR DISPLAY DISPLAY VARIABLE CATEGORY TYPE RANGE RANGE INSTR. NO.
INSTR. NO.
LOCATION Auxiliary Feedwater Systesi:
- 65. Auxiliary Feedwater Flow 2
D 0-1001 200" WC FT-fdO2 FI-FWO2 CB12 design flow FT-FWO3 FI-FWO3 CB12 FT-FWO4 FI-FWO4 CB12 FT-FWOS FI-FWOS CB12
- 66. Condensate Storage Tank Level 1
0 0-500,000 gal 0-21 f t LT-CD94 LI-CD94 CB04 (0-20.2 ft)
LI-CD139 CB04 Centainment Cooling System:
- 67. Containment Spray Pump Flow 2
0 0-110%
0-4000 gpm FT-CS01A, B FI-CS01 A, B CB08 design flow Normal Op:
FT-CSO2A, B FI-CSO2A, B CB08 2600 gpm FT-C503A, B FI-C503A, B CB10 Max Op:
3100 gpm
- 68. Heat Removal by the Containment 2
D On or Off On or Off Fan RV001 HS-RV19 RV24 CB08 Fan Heat Removal System Fan RV002 HS-RV20 RV25 C808 Fan RV003 HS-RV21, RV26 CB08 Fan RV004 HS-RV22 RV27 CBOB Fan RV005 HS-RV23 RV28 CBOB
- 63. Centainment Atmosphere 2
0 40*-400*F 0*-150*F TE-RV42 TI-RV42 CB12 Temperature TE-RV43 TI-RV43 CB12 TE-RV44 TI-RV44 CB12
- 70. Centainment Simp Water 2
D 50*-250*F 50*-400*F TE-612 TR-612 PENI CB12 Temperature TE-613 TR-613 PEN 1 CB12 (RHR)
Chrical and Volume Control System:
1 i
- 71. Charging Flow-In 2
D 0-1101 0-200 gpm FT-121 FI-121A 0B07 design flow
- 72. Letdown Flow-In 2
D 0-110%
0-200 gpm FT-132 FI-132 CB06 design flow
- 73. Volume Control Tank Level 2
D Top to 0-70" WC LT-112 LI-112.
LM Bottom LT-185 LI-185 CB07 m
i
REQUIRED EXISTING SENSOR DISPLAY DISPLAY VARIABLE CATEGORY TYPE RANGE RANGE INSTR. NO.
INSTR. NO.
LOCATION e.
Cooling Water System:
'74. Component Cooling Water 2
D 32*-200*F 0*-200*F TE-674 TI-674 C812 Temperature to ESF System OTE-675 OTI-675 C812
- 75. Component Cooling Water 2
D 0-110%
1500-7000 gpm FIT-688 FI-688 CB12 Flow to ESF System design flow
~
FIT-689 FI-689 CB12 Radwaste System:
- 76. High-Level Radioactive Liquid 3
D Top to Bottom
%,000 gal OLT-WD60 OLR-WD60 LP05 Holdup and Monitor Tank 0-30,000 gal OLT-WD64 OLR-WD64 LPOS 0-10 f t OLT-WD68 OLR-WD68 Lei)5 0-10 f t OLT-WD71 OLR-WD71 LPOS 0-20,000 gal OLT-BD26 OLR-BD26 LP05 0-20,000 gal OLT-BD28 OLR-BD28 LP05 0-20,000 gal OLT-BD30 OLR-BD30 LP05
- 77. R.idicactive Gas Decay Tank 3
D 0-150%
0-160 psig OPT-1036 OPICA-1036 LP10 Pressure Design press.
OPT-1037 OPICA-1037 LP10 OPT-1038 OPICA-1038 LP10 OPT-1039 OPICA-1039 LP10 OPT-1052 OPICA-1052 LP10 OPT-1053 OPICA-1053 LP10 Vrntilation Systems:
- 78. Emergency Ventilation Damper 2
D Open or closed Open or closed ORIA-PR29 Computer CA802 (Y9127A)
P:sition (solenoid actuated) ORE-PR29A Computer CA802 (Y9128A)
ORE-PR298 Computer CAB 02 (Y9129A)
ORE-PR29C Computer CAB 02 (Y9130A)
ORE-PR290 ORE-PR29E RM-PRS) l POWER SUPPLIES
- 79. Status of Standby Power and 2
D Volts, Current, Various AC & DC Voltmeters C801, CB70, Other Energy Sourtes Important Pressures Busses Ammeters CB71, CB72 t2 Safety (Hydraulic, Pneumatic!
(See Fig. 2-2)
Ind. Lights Q
REQUIRE 0 EXISTING SENSOR DISPLAY DISPLAY VARIABLE CATEGORY TYPE RANGE RANGE INSTR. NO.
INSTR NO.
LOCATION e.
Conttinsent Radiation:
4 1-10 R/hr 1-108 R/hr RE-AR02 RR-AR02 CB73, CAB.C
- 80. Containment Area Radiation 1
E RE-AR03 RR-AR03 CB73, CAB.C Area R*diation:
1-10 R/hr 10-4-10 R/hr RE-0004 4
- 81. Radiation Exposure Rate 2
E 10 y-10g's frR ORT-AR09 RR-AR06 0873, CAB.F m R/hr ORT-AR11 RR-AR06 CB73, CAB.F for RT's ORE-0006 RE-0001 ORT-AR06 RR-AR06 CB73, CA8.F ORT-ARIO RR-AR06 0873, CAB.F Noble Gases and Vent Flow Rate:
- 82. Ctntainment or Purge Effluent 2
E 10 10-10 cpm RT-PR09A RR-PR17 CB73, CAB.A 6
5 10 uC1/cc 0-1101 design flow 6-S
- 83. Auxiliary Building (Including 2
E 103 10-1-10 cpm ORT-PR028 RR-PRIS CB73, CAB.D Any Building Containing 10 uCi/cc ORE-PR02B RR-PRIS CB73, CAB.D Primary System Gases, e.g.
0-110% vent Wiste Gas Decay Tank) design flow
- 84. C:ndenser Air Removal System 2
E 10-6 jo.jo6 cpm RE-0015 RR-0015 CB13 Exhuast 105 MC1/CC 0-110% vent design flow 1
5 10-6u to 10gi/cc 10 -10 cpm for RT-PR25 RR-PR25 CB14
- 85. Cosenon Plant Vent or Multipurpose 2 E
uti/cc ORT-PR10A, ORT-PR10A RR-PR17 C873, CAB.A Vint Discharging Any of Above R311ases (if Containment Purge RT-PR25 ORE-0014 Rad. Mont. Il CB13 1
10 -106 cpm for RIA-PR49 RCC-PR48 is Included)
RIA-PR49, ORE-0014 0-110% vent design flow
- - No Vent Flow Instrumentation Exists; Instruments Are Calibrated Based on Full Flow Design Conditions.
c;
REQUIRED EXISTING SENSOR DISPLAY DISPLAY VARIABLE CATEGORY TYPE RANGE RANGE INSTR. NO.
INSTR. NO.
LOCATION es.w.........................................................................................................................................................
- 86. Main Steam Line Area Monitors -
2 E
10 10-I-10bR/hr RIM-PR58 Computer CAB 02 (ICM009) 3 St aa Tunnel Valve House 10 uC1/cc RIM-PR59 Computer CA802(ICM009)
RIM-PR60 Computer CA802 (LCM 009)
RIM-PR61 Computer CAB 02 (ICM009)
Particulates and Halogens:
- 87. All Identified Plant Release 3
E 10 2 8 10 10 cpm for ORT-PR10C RR-PR26 C813 2
Paints (Except Steam Generator 10 uCf /cc ORT-10C, 18A, RT-PR098, C RR-PR16 CB73, CAB.A Safity Relief Valves or RT-PR09C OPR-038 (None)
(Filters)
Atmotpheric Steam Dump Valves ORT-PR18A RR-PRI9 C873, CAB.D 1
7 and Condenser Air Removal System 10 -10 cpp for OPR-036 (None)-
(Filters) 1 Exhulst) Sampling With Onsite RT-PR98 ORT-PR108 RR-PR17 CB73 CAB.A Analysis Capability 10-5.j o9 CPM for ORT-PR108 0-110% went design flow Envir:ns Radiation and Radioactivi ty:
- 88. Radiation Exposure Meters 3
E To satisfy None None None None (Continuous Indication at NUREG-0654 FixId Locations)
- 89. Airborne Radiohalogens a 3
E 10-9 to N/A N/A N/A High/ Low Particulates (Portable 10-3 Cf /cc Laboratory Volume Sampling with Onsite Analysis Sampler i
Capibility)
- 90. Plant and Environs Radiation 3
E 10-3 to O to 103 R/hr N/A Survey N/A (Psrtable Instrumentation) 104 R/hr Meter
- 91. Plant and Environs Radioactivity 3
E Mul ti-channel N/A N/A GE (LI)
Epec. Room 1
(Partable Instrumentation) ganna ray Analyzer spectrometer Metsrolegy :
- 92. Wind Of rection 3
E 0-360*
0-360' N/A OZI-ME01 C806
- 93. Wind Speed 3
E 0-30 m/sec 0-100 mph N/A OSI-ME01 C806 (0-67 mph)
- - No Vent Flow Instrumentation Exists; Instruments Are Calibrated Based on Full Flow Design Conditions.
w
REQUIRED EXISTING SENSOR DISPLAY DISPLAY VARIABLE CATEGORY TYPE RANGE RANGE INSTR. NO.
INSTR. NO.
LOCATION
- 94. Estimation of Atmospheric 3
E Varies 0-360*
N/A N/A N/A Stab 1111ty 0-100 mph Accident sampling capability:
- 95. Primary Coolant and Sump a.
Gross Activity 3
E 10 uti/ml to 10 uC1/mi to Sample Tap Analyzer Counting 10 C1/mi 10 C1/mi Canberra 2000/2201 Room Tenelec LB5100 SR11 b.
Gamma Spectrum 3
E (Isotopic 0 to 10-6 uC1/cc Sample Tap Analyzer Spec.
Analy sis)
Ortec 7040 Room MCA GE (L1) c.
Boron Content 3
E 0-1000 ppe 0-1000 ppe Sample Tap Titration Hot Analyzer Lab d.
Chloride Content 3
E 0-20 ppe 0-20 ppe Sample Tap Analyzer Hot Orion 611, 701 A Lab e.
Dissolved Hydrogen 3
E 0-2000 cc/kg(STP) 0-2000 cc/kg(STP)
Sample Tap Chronograph HRSS f.
Dissolved Oxygen 3
E 0-20 ppm 0-20 ppe Sample Tap Analyzer Chemet Sample Dis. 02 kit Stations g.
pH 3
E 1 to 13 1 to 13 Sample Tap Analyzer Hot Lab.
Orion 611, 701 A Cold Lab
- 96. Centainment Air a.
Hydrogen Content 3
E 0-10% Vol-1 0-1001 Sample Tap MS Hydr. pump Sample Stations b.
Oxygen Content 3
E 0-305 Vol-1 0-30%
Sample Tap C0/CO2 pump Sample Stations I
c.
Gasma Spectrum 3
E (Isotopic 0 to 10-6 uti/cc Sample Tap Analyzer Spec.
Analysis)
Ortec 7040 Room MCA GE (L1) i 1
1 4
MEETS CURRENT CURRENT SINGLE INSTR.
SAFETY ENVIR.
SEISMIC CHANNEL FAILURE PWR.
VARIABLE CLASS QUAL.
QUAL.
REDUNDANCY CRITERION SUPPLY BUS.
C(MPLIES WITH l
REG. GUIDE 1.97 00o..........................................................................................................................................................
1 1.
RCS Hot Leg Water Temp.
SR EQ CAT I Yes Ye.
111 Yes (Note 19)
(Wide Range) 2.
RCS Cold Leg Water Temp.
SR EQ CAT I Yes Yes 112 Yes (Note 19)
(Wide Range) 3.
RCS Pressure SR EQ CAT I Yes Yes 111 Yes (Note 1)
(Wide Range) 11 3 4 Steam Generator Level SR EQ CAT I No No 114 Yes (Note 20)
(Wide Range) 5.
Steam Generator Level SR EQ CAT I Yes Yes 111 Yes (Note 20)
(Narrow Range) 11 2 113 114 6.
Pressurizer Level SR EQ CAT I Yes Yes 111 Yes (Note 1) 112 113 114 7.
Steam Line Pressure SR EQ CAT I Yes Yes Ill Yes (Note 21) 112 113 114 8.
Containment Pressure SR EQ CAT I Yes Yes 111 Yes (Note 1) 1 112 i
9.
Refueling Water Storage NSR NON NON Yes No 113 No (Note 4)
Tank Level 114
- 10. Containment Sep Water Level SR EQ CAT I Yes Yes 111 Yes (Note 1)
(Wide Range) 112 i
9
METS CURRENT CURRENT SINGLE INSTR.
SAFETY ENVIR.
SEISMIC CHANNEL FAILURE PWR.
VARIABLE CLASS QUAL.
QUAL.
REDUNDANCY CRITERION SUPPLY BUS.
C0fFLI:S WITH REG. GUIDE a..........................................................................................................................................1.97 d
- 11. Auxiliary Feedwater Flow SR EQ CAT I No No 111 Yes (Note 22) 112
- 12. Containment Area Radiation SR NON CAT I Yes Yes 111 Yes (Note 12) 112
- 13. Core Exit Temperature NSR NON CAT I No No N/A No (Note II)
(Therwocouples)
- 15. Condensate Storage Tank Level NSR NON CAT III No No 45VDC Cab.CB49 No (Note 4)
Rractivity Control:
- 16. Neutron Power SR NON NON Yes Yes 111 Yes (Note 14)
(Excore) 112 113 114
- 17. Control Rod Position NSR N/A N/A N/A N/A 125VDC Yes (Note 3)
DCCB64 480VAC Aux B1dg. MCC 2331C
l l
a
EETS i
CURRENT CURRENT SINGLE INSTR.
SAFETY ENVIR.
SEISMIC CHANNEL FAILURE PWR.
VARIABLE CLASS QUAL.
QUAL.
REDU WANCY CRITERION SUPPLY BUS.
CODFLIES WITH REG. GUIDE 1.97
..................................................................................................................................s..........................
Care Cooling:
- 19. RCS Hot Leg Water Temp.
SR EQ CAT I Yes Yes 111 Yes (Note 19)
(Wide Range)
- 20. RCS Cold Leg Water Temp.
SR EQ CAT I Yes Yes 112 Yes (Note 19)
(Wide Range)
(Wide Range) 11 3
- 22. Core Exit Temperature NSR N/A N/A N/A N/A N/A Yes (Note 3) i (Thermocouples) 1 I
- 23. Coolant Level in Reactor SR EQ CAT I Yes Yes 111,113 Yes (Note 13) 112,114 a
- 24. RCS Subcooling NSR NON CAT I N/A N/A 111 No (Note 11) 112 113 114 Maintaining Reactor Coolant System Integrity
(Narrow Range) 11 2
(Wide Range) 11 2
- 28. Containment Pressure SR EQ CAT I Yes Yes 111 Yes (Note 1) 112 l
1 l
C:';
MEETS CURRENT CURRENT SINGLE INSTR.
SAFETY ENV!R.
SEISMIC CHANNEL FAILURE PWR.
VARIABLE CLASS
- QUAL, QUAL.
REDUNDANCY CRITERION SUPPLY BUS.
COIFLIES WITH REG. GUIDE 1.97 Maintaining Containment Integrity:
- 29. Containment Isolation Valve Position Indication a.
M0V's/HOV's SR NON CAT I Yes No See List No (Note 26) b.
Purge Valves-A0V's SR NON CAT I Yes Yes See List Yes (Note 26) c.
Other A0V's/50V's SR NON CAT I Yes Yes See List Yes (Note 26)
- 30. Containment Pressure SR EQ CAT I Yes Yes 111 Yes (Note 1) 112 Fuel Cladding:
- 31. Core Exit Temperature NSR NON CAT I No No N/A No (Note 11)
( Therinocouples)
- 32. Radioactivity Concentration or NSR NON NON No No Station Power Yes (Note 15)
Radiation Level in Circulating Primary Coolant
- 33. Analysis of Primary Coolant NSR N/A N/A N/A N/A Station Power Yes (Note 3)
(Gaauna Spectrum)
(Wide Range) 113
- 35. Containment Pressure SR EQ CAT I Yes Yes 111 Yes (Note 1) 112
- 36. Containment Sep Water Level SR EQ CAT I N/A N/A 111 Yes (Note 1)
(Narrow Range) 112
- 37. Containment Stsop Water Level SR EQ CAT I Yes Yes 111 Yes (Note 1)
(Wide Range) 112
- 38. Containment Area Radiation SR N/A N/A N/A N/A 111 Yes (Note 3) 112
- e.
M
Page 1 of 4 VARIABLE 29 - CONTAINMENT ISOLATION VALVE POSITION a.
MOVs/H0Vs Display No.
Sensor No. (Limit (Ind. Light w/
Display Inst. Pwr, SW. on Valve)
Control SW.)
location Supply Bus VC8100 V8100 CB07 MCC1393C CC9414 V9414 CB10 MCC13938
~
CC9413A V9413A CB08 MCC1372 CC94138 V9413B CB09 MCC1383A CC9438 V9438 CB09 MCC1383A FCV-685 FCV685 CB08 MCC1372 VC8105 V8105 CB07 MCC1371 VC8106 V8106 CB07 MCC1393C MS0001 HS-MS41 CB12 DC CAB. 112 MS0002 HS-MS42 CB12 DC CAB. 113 MS0003 HS-MS43 CB12 DC CAB. 113 MS0004 HS-MS44 CB12 DC CAB. 111 b.
A0Vs CC9437 V9437 CB10 DC 0 113 FCV-WD17A HS-WD12A CB11 MCC1371 FCV-WD17B HS-WD12B CB11 MCC1381B RC8025 8025 CB06 DC @ 112 RC8026 8026 CB06 DC 0 113 RC8028 8027 CB06 DC 0 112 RC8029 8029 CB06 DC 0 113 RC8024 8024 CB06 DC 0 112 RC8033 8033 CB06 DC 0 113
i Page 2 of 4 VARIABLE 29 - CONTAINMENT ISOLATION VALVE' POSITION (Continued) b.
A0Vs Display No.
Sensor No. (Limit (Ind. Light w/
Display Inst. Pwr.
SW. on Valve)
Control SW.)
Location Supply Bus VC8152 V8152 CB07 DC @ 112 VC8153 V8153 CB07 DC @ 113 DT9157 HS-DT04 CB11 MCC1371 DT9159A HS-DT02A CB11 MCC1371 DT9159B HS-DT02B CB11 MCC1381B DT9160A HS-DT03A CB11 MCC1371 DT9160B HS-DT03B CB11 MCC1381B DT9170 HS-DT018 CB11 MCC1381B LCV-DT1003 HS-DT1003 CB11 MCC1371 SI8880 V8880 CB08 DC @ 111 SS9354A HS-SS08A CB11 MCC1371 SS9354B HS-SS088 CB11 MCC1381B SS9355A HS-SSO9A CB11
-MCC1371 SS93558 HS-SS098 CB11 MCC1381B SS9356A HS-SS10A CB11 MCC1371 SS9356B HS-SS10B CB11 MCC1381B SS9357A HS-SS07A CB11 MCC1371 SS9357B HS-SS07B CB11 MCC13818 f
c.
S0Vs BD0001 HS-BD11 CB12 112 BD0002 HS-BD12 CB12 112 B00003 HS-BD15 CB12 112 l
BD0004 HS-BD16 CB12 112 BD0005 HS-BD13 CB12 112 1
I
Page 3 of 4 VARIABLE 29 - CONTAINMEN1 ISOLATION VALVE POSITION (Continued) c.
SOVs Display No.
Sensor No. (Limit -
(Ind. Light w/
Display Inst. Pwr, SW. on Valve)
Control SW.)
location Supply Bus BD0006 HS-BD14 CB12 112 BD0007 HS-BD09 CB12 112 BD0008 HS-BD10 CB12 112 FCV-BD17 HS-BD17 CB11 MCC1371 FCV-SS02 HS-SS02 CB11
-MCC1371 FCV-SS03 HS-S503 CB11 MCC1371 FCV-SS04 HS-SSO4 CB11 MCC1371 FCV-SS05 HS-SS05 CB11 MCC1371 FCV-VN02A HS-VN02A CB11 MCC1371 FCV-VN02B HS-VN028 CB11 MCC1381B FCV-VF01A HS-VF01A CB11 MCC1371 FCV-VF01B HS-VF01B CB11 MCC13818 FCV-PR19A.
HS-PR19A CB11 MCC1371 FCV-PR19B HS-PR19B CB11 MCC13818 FCV-PR20A HS-PR20A CB11 MCC1371 FCV-PR20B HS-PR20B CB11 MCC1381B FCV-PR21A HS-PR21A CB11 MCC1371 FCV-PR21B HS-PR218 CB11 MCC13818 FCV-PR22A HS-PR22A CB11 MCC1371 FCV-PR22B HS-PR228 CB11 MCC1381B FCV-PR23A HS-PR23A CB11 MCC1371 FCV-PR23B HS-PR238 CB11 MCC1381B FCV-PR24A HS-PR24A CB08 111 FCV-PR248 HS-PR248 CB09 112
C Paga 4 of 4 VARIABLE 29 - CONTAINMENT ISOLATION VALVE POSITION (Continued) c.
S0Vs Display No.
Sensor No. (Limit (Ind. Light w/
Display Inst. Pwr.
SW. on Valve)
Control SW.)
_ Location Supply Bus FCV-SA01A HS-SA01A CB11 MCC1371 FCV-SA01B HS-SA01B CB11 MCC13838 FCV-IA01A HS-IA01A CB11 MCC1371 FCV-IA01B HS-IA01B CB11 MCC13838 FCV-RV111 HS-RV111 CB11 MCC1371 FCV-RV112 HS-RV112 CB11 MCC1383B FCV-RV113 HS-RV113 CB11 MCC1371 FCV-RV114 HS-RV114 CB11 MCC13838 RV0001(INB.)
HS-RV40A CB11 MCC1371 RV0002 HS-RV40B CB11 MCC13838 RV0003 (INB.)
HS-RV41C CB11 MCC1371 RV0004 HS-RV410 CB11 MCC13838 RV0005 HS-RV81C CB11 NCC1371 RV0006 HS-RV810 CB11 MCC13838 FCV-MS0082 HS-MS82 C808 DC 0 111 FCV-MS0083 HS-MS83 C808 DC @ 111 FCV-MS0084 HS-MS84 CB08 DC 0 111 FCV-MS0085 HS-MS85 C808 DC 0 111
METS CURRENT CURRENT SINGLE INSTR.
SAFETY
- ENVIR, SEISMIC CHANNEL FAILURE PWR..
VARIABLE CLASS QUAL.
QUAL.
REDUNDANCY CRITERION SUPPLY BUS.
C019 LIES WITH REG. GUIDE 1.97
==...........................................................................................................................................................
Noble Gas Effluent From Condenser Air Removal System Exhaust Containment:
(Wide Range) 11 3
Concentration
- 42. Containment Pressure SR EQ CAT I Yes Yes 111 Yes (Note 1) 112
- 43. Containment Effluent N/A (Note 23)
Radioactivity Noble Gases from Identified Release Points
- 44. Containment trea Radiation SR NON CAT I N/A N/A III Yes (Note 12) 11 2
- 45. Effluent Radioactivity - Noble N/A (Note 23)
Gases (from buildings or areas there hatches are located, e.g.,
Auxiliary Building and Secondary Containment).
Risidual Heat Removal (RHR):
Temperature 112 Safety Injection System:
- 48. Accumulator Tank Level SR NON CAT I N/A N/A 111 Yes (Note 16) and Pressure 11 2 113 114
~
METS CURRENT CURRENT SINGLE INSTR.
SAFETY ENVIR.
SEISMIC CHANNEL FAILURE PWR.
VARIABLE CLASS QUAL.
QUAL.
REDUNDANCY CRITERION SUPPLY BUS.
C0pFLIES WITH REG. GUIDE 1.97
= = =............................ = =... = = = = = = = = = = = = = = = = = = = = = = = = =.. = =...... = = = =.......................................................................... = = =
l 1
- 49. Accumulator Tank Isolation N/A (Note 24)
Valve Position
- 50. Boric Acid Transfer Pump Flow NSR NON NON N/A N/A 111 Yes (Note 2)
- 51. Flow in HPI System NSR NON NON N/A N/A 111 Yes (Note 8) i (Cent. chg. pumps. SI pumps) 112 113 114
NSR NON NON N/A N/A 113 Yes (Note 8) 114 l
- 53. Refueling Water Storage NSR NON NON N/A N/A 113 No (Note 4)
Tank Level 114 Primary Coolant System:
- 54. Reactor Coolant Pump Status NSR.
N/A N/A N/A N/A 242 Yes (Note 3) 243 244 245 55a. Primary System Power SR EQ CAT I N/A N/A MCC 1381A Yes (Note 1)
Operated Relief Valve Position MCC 1393A il 55b. Primary System Safety NSR NON NON N/A N/A 11 2 Yes (Note 17) i Relief Valve Positions 113 114 l
I
- 56. Pressurizer Level SR EQ CAT I Yes Yes 111 Yes (Note 1) 112 113 114
SWGR 138 SWGR 139 SWGR 137 SWER 138 SWGR 139
-- ~
MEETS CURRENT CURRENT SINGLE INST R.
SAFETY ENv!R.
SEISMIC CHANNEL FAILURE
- PWR, VARIABLE CLASS QUAL.
QUAL.
REDUNDANCY CRITERION SUPPLY BUS.
COWLIES WITH REG. GUIDE 1.97
- 58. Pressurizer Relief Tank Level NSR N/A N/A N/A N/A 111 Yes (Note 3)
- 59. Pressurizer Relief Tank Temp.
NSR N/A N/A N/A N/A 112 Yes (Note 3)
?
- 60. Pressurizer Relief Tank Pressure NSR N/A N/A N/A N/A 111 Yes (Note 3)
Secondary System (Steam Generator):
- 61. Steam Generator Level SR EQ CAT I No No 114 Yes (Note 20)
(Wide Range)
- 62. Steam Line Pressure SR EQ CAT I Yes Yes 111 Yes (Note 21) 11 2 113 114
- 63. Safety / Relief Valve Positions SR EQ CAT I N/A N/A 111 Yes (Note 1)
Or/ Main Steam Flows 112
- 64. Main Feeesater Flow SR N/A N/A N/A N/A 111 Yes (Note 3) 112 113 Au1111ary Fee & ster System:
- 65. Auxiliary Feedwater Flow SR EQ CAT I N/A N/A 111 Yes (Note 22) 112
Water Level Containment Cooling System:
- 67. Containment Spray Pump Flows SR EQ CAT I N/A N/A 111 Yes (Note 1) 11 2 113
Fan Heat Removal System SWGR 139 SWGR 137 SWGR 138 SWGR 139 mi
EETS CURRENT CURRE3T SINGLE INSTR.
SAFETY ENVIR.
SEISMIC CHANNEL FAILURE PWR.
VARIABLE CLASS QUAL.
QUAL.
REDUNDANCY CRITERION SUPPLY BUS.
COWLIES WITH REG. GUIDE 1 e......................................................................,.....................................................................
97
- 69. Containment Atmosphere NSR NON NON N/A N/A NONE Yes (Note 18)
Teaperature
Temperature 114 i
i Chemical and Volume Control System:
i
- 71. Charging Flow-In NSR NON NON N/A N/A 112 Yes (Note 2)
- 72. Letdown Flow-In NSR NON NON N/A N/A 114 Yes (Note 2) 1
- 73. Volume Control Tank Level NSR NON NON N/A N/A 111 Yes (Note 2) t I
114 j
Cooling Water System:
- 74. Component Cooling Water NSR NON NON N/A N/A 113 Yes (Note 8) 4 1
Temperature to ESF System 114
- 75. Component Cooling Water NSR NON NON N/A N/A 114 Yes (Note 8)
Flow to ESF System RTdweste System:
- 76. High Level Radioactive N/A N/A N/A N/A N/A Instrument Air Yes (Note 3)
Liquid Tank i
- 77. Radioactive Gas Holdup N/A N/A N/A N/A N/A Instrument Air Yes (Note 3)
Tank Pressure Ventilation System:
- 78. Emergency Ventilation NSR NON NON N/A N/A Yes (Note 25)
Damper Position A
j EETS CURRENT CURRENT SINGLE INSTR.
SAFETY ENVIR.
SEISMIC CHANNEL FAILURE PNR.
i VARIABLE CLASS QUAL.
QUAL.
REDUISANCY CRITERION SUPPLY BUS.
CopFLIES WITH REG. GUIDE 1.97 Power Supplies:
- 79. Status of Standby Power and Other SR NON CAT I N/A N/A Fig. 2-2 Yes (Note 9)
Energy Sources Important to Safety (Hydraulic and Pneumatic)
Containment Radiation:
- 80. Containment Area Radiation -
SR NON CAT I Yes Yes 111 Yes (Note 12)
High Range 11 2 Arta Radiation:
- 81. Radiation Exposure Rate NSR NON NON N/A N/A EC 1381A & 1391 Yes (Note 21 Noble Gases and Vent Flow Rate:
j i
- 82. Containment or Purge Effluent N/A (Note 23) l i
Building Containing Primary System Gases, e.g. Naste Gas Decay Tank)
- 84. Condenser Air Removal System NSR NON NON N/A N/A E C 1323 Yes (Note 2)
Exhaust
Vent Discharging Any of Above Releases (if Containment Purge is included) 4
- 86. Main Steamline Area Monitors -
NSR NON NON N/A N/A Normal: MCC 1391 Yes (Note 2)
Steam Tunnel Valve House Emer: MCC 138]A 1
l i
i J
y PEETS CURRENT CL'RRENT SINGLE INSTR.
SAFETY ENVIR.
SEISMIC CHANNEL
. FAILURE PWR.
VARIABLE CLASS QUAL.
QUAL.
REDUNDANCY CRITERION SUPPLY BbS.
CopFLIES WITH
........................................................................................................................................... 97 REG. GUIDE 1
............=..
P rticulates and Halogens:
Points (Except Steam Generator i
Safety Relief Valves or Atmospheric Steam Dump Valves
-l and Condensor Air Removal System Exhaust) Sampling With Onsite Analysis Capability Emirons Radiation and Radioactivity:
- 88. Radiation Exposure Meters NSR N/A N/A N/A N/A None Yes (Note 10)
(Continuous Indication at Fixed Locations) i r
- 89. Airborne Radiohalogens &
NSE N/A N/A N/A N/A N/A Yes (Note 6)
Particulates (Portable Sampling with Onsite Analysis CapabilityI l'
- 90. Plant and Environs Radiation NSR N/A N/A N/A N/A N/A Yes (Note 6)
(Portable Instrumentation) i
- 51. Plant and Environs Radioactivity NSR N/A N/A N/A N/A N/A Yes (Note 6)
(Portable Instrumentation)
Meteorology:
- 92. Wind Directir.,n NSR ld/A N/A N/A N/A Station Power Yes (Note 3)
- 93. Wind Speed NSR N/A N/A N/A N/A Station Power Yes (Note 3)
- 94. Estimation of Atmospheric NSR N/A N/A N/A N/A Station Power Yes (Note 3)
Stabillity i
1 I
i c
MEETS CURRENT CURRENT SINGLE INSTR.
SAFETY ENVIR.
SEISMIC CHANNEL FAILURE PWR.
VARIABLE CLASS QUAL.
QUAL.
REDUNDANCY CRITERION SUPPLY BUS.
COpFLIES WITH REG. GUIDE 1.97 6
Accident Sampling Capability:
- 95. Primary Coolant and Stanp a.
Gross Activity NSR N/A N/A N/A N/A Station Power Yes (Note 7) b.
r - Spectrum NSR N/A N/A N/A N/A Station Power Yes (Note 7) c.
Boron Content NSR N/A N/A N/A N/A Station Power Yes (Note 7) d.
Chloride Content NSR N/A N/A N/A N/A Station Power Yes (Note 7) e.
Dissolved Hydrogen NSR N/A N/A N/A N/A Station Power Yes (Note 7) f.
Dissolved Oxygen NSR N/A N/A N/A N/A Station Power Yes (Note 7) g.
pH NSR N/A N/A N/A N/A Station Power Yes (Note 7)
%. Containment Air a.
Hydrogen Content NSR N/A N/A N/A N/A Station Power Yes (Note 7) b.
Oxygen Content NSR N/A N/A N/A N/A Station Power Yes (Note 7) c.
Gasma Spectrum NSR N/A N/A N/A N/A Station Power Yes (Note 7)
(Note 1) - Equipment fully qualified.
(Note 2) - EQ not required; alId environment; seismic not required; no safety systems are involved; instruments adequate for intended use.
(Note 3) - EQ not required (CAT.3); instruments adequate for intended use.
(Note 4) - Instruments not presently qualified / modification required.
(Note 5) - Instrument range is less than specified in Reg. Guide 1.97.
(Note 6) - EQ not required (CAT 3); portable instrumentation.
(Note 7) - EQ not required (CAT 3); grab samples - analyzed in laboratory. Instruments adequate for intended use.
(Note 8) - EQ not required; alid environment; seismic not required; sensors perform no safety function; instruments adequate for intended use.
(Note 9) - EQ not required mild environment; safety-related standby hydraulic and pneumatic energy sources do not exist at Zion Station.
(Note 10) - Current measurements via GSEP Program are adequate for indication of radiation exposure.
(Note 11) - Requires further modification since only part of the system is EQ and SR.
(Note 12) - EQ test report exists; instrumentation will be added to Zion EQ program.
(Note 13) - Instrumentation installed but not yet in service; EQ test report exists; instrumentation will be added to Zion EQ program.
1 D
KETS CURRENT CURRENT SINGLE INSTR.
SAFETY ENVIR.
SEISMIC CHANNEL FAILURE PNR.
VARIABLE CLASS QUAL.
QUAL.
REDUNDANCY CRITERION SUPPLY BUS.
COWLIES NITH REG. GUIDE 1.97 (Note 14) - Reclassified as (CAT 3) since the primary indication of reactivity and control and reactor shutdown (trip) is provided by control rod position (short-term) and the post accident sampling system (PASS) for reactor coolant boron concentration (long-ters).
(Note 15) - Reclassified as (CAT 3) since following a LOCA containment radiation and containment hydrogen concentration are the primary, short-term indications of fuel-cladding integrity with the Post-Accident Sampling System (PASS) providing additional, long-term indication.
(Note 16) - Reclassified as (CAT 3) since accumulator pressure and level are non-critical post accident indications. The accumulators are designed to accomplish their intended safety function without operator action (totally passive injection system).
(Note 17) - Reclassified as (CAT 3) since the pressurizer safety relief valves are totally enclosed, self-actuated (at 2500 psta). A backup indication of valve position is provided by thernovell temperature indications in each downstreas discharge line which includes a high temprature alarm in the Control Room.
(Note 18) - Reclassified as (CAT 3) since containment pressure is a primary indication of containment cooling and is directly related to temperature indication.
(Note 19) - Existing range is adequate for RCS design temperatures and pressure and has sufficient margin over safety relief valve actuation setpoints; core exit thermocouple indication provides an alternate to RCS coolant temperature indication.
(Note 20) - Lack of redundancy is resolved by additional instrumentation which indicates the effectiveness and adequacy of the secondary heat sink; the redundant narrow range instrumentation covers over 25% of the required wide-range scale; and backup indication is available via RCS temperature and RCP flow indication.
(Note 21) - Existing range of indicator is 70% above steam pressure at full-power operation.
(Note 22) - Lack of redundancy is resolved by use of redundant instrument power supplies, redundant aux, feedwater pumps, and ability to isolate flow through a damaged steam generator line; backup indication is available via NR steam geneator level indication.
(Note 23) - Not applicable to Zion Station since this effluent path is not required for post-accident service.
(Note 24) - Not applicable to Zion Station since these valves are de-energized in the open position.
(Note 25) - Sensor (rad. monitor) provides indication of damper actuation; indication of position verified by area radiation monitors; dampers are fail-safe in closed position.
(Note 26) - Redundancy: All MOV's and A0V's/$0V's and their position indications exist in series pairs except: VL8100, CC9414, 5502, 5503, 5504, 5505, DT9157 and $18880. These valves have backup indication provided by existing system temperature, pressure and flow instrumentation.
Single-Failure Criterion: All ADV's/SOV's fail in the safe direction (closed) on loss of air or electrical power. Thus, the correct valve position status for these valves can be ascertained and only need to meet Category 3 criteria. M0V's VC8100 and CC9414 will be modifled to add redundant position switches.
EQ: EQ is only required for in-containment purge valves RV0001 and RV0003; position switches for these valves will be replaced with qualified Q,
position switches which will be added to the EQ Program. All other valves are in mild environment while performing required safety functions.
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