ML20076K908
| ML20076K908 | |
| Person / Time | |
|---|---|
| Site: | Beaver Valley |
| Issue date: | 09/15/1983 |
| From: | DUQUESNE LIGHT CO. |
| To: | |
| Shared Package | |
| ML20076K902 | List: |
| References | |
| RTR-REGGD-01.097, RTR-REGGD-1.097 NUDOCS 8309150309 | |
| Download: ML20076K908 (15) | |
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RECULATORY CUIDE 1.97 IMPLEMENTATION REPORT Beaver Valley Power Station - Unit No. 2 Duquesne Light Company l
September 15, 1983 8309150309 830912 PDR ADOCK 05000412 PDR p
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REGUL AIORY GUIDE I.97 REVISION 2 IWLEMMTATION REPORT (SEE MGTES 1.2.31 (page I of II)
SAFELY RELATED DISPLAY INSTRUENTATION Qualfficat ion Number Indicator Implementation Power Variable Range / Status Type / Category Env ironmental felsmic of Channels Device D.te Supply Conformance RCS pressure (WR) 0-3,000 psig AI, B1, Cl, B2, Yes Yes 3 per plant 3 meters fuel load IE Tes I recorder C2, D2 RCS Thot (WR) 0-700*F AI, B2 Yes Yes I per loop 3 meters fuel load IE Yes 3 recorders l
1 RCS Tcold (idR) 0-700*F Al, B2 Yes Yes I per loop 3 meters fuel load IE Yes 3 recorders Steam generator 0-100% of span Al, Bl. 82 D2 Yes Yes I per steam 3 meters complete IE Yes generator 3 recorders level (WR)
Steam generator 0-1001 of span Al, 8I, D2 Yes Yes 3 per steam 9 meters fuel load IE Yes generator 3 recorders level (NR)
Pressurfrer level 0-1001 of span AI, BI, D2 Yes Yes 3 per plant 3 meters complete IE Yes 3 recorders Containment pressure
-5 to 65 psig Al, Bl. B2, C2, Yes Yes 4 per plant 4 meters complete IE Yes 2 recorders D2 Steamline pressure O to 1/00 AI, Bl. D2 Yes Yes 3 per loop 9 meters complete IE Yes 3 recorders psfg Containment water 0-200 in Al, Bl. 82 C2, Yes Yes 2 per plant 2 meters complete IE Yes i recorder level (WR) 02
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REGULATORY GUIDE 1.97 REVISION 2 IWtEENTATION REPORT (SEE NOTES 1,2,3)
(page 2 of II)
SAFETY RELATED DISPL AY INSTRUENTATION Qualificat ion Number Indicator Implementation Power Variable Range / Status Type / Category Environmental Seismic of Channels Device Date Supply Conf ormance Centainment water 0-12 fn AI. Bl. 82. C2, Yes Yes 2 per plant 2 meters fuel load IE Yes 1 recorder level (NR)
D2 Rsfueling water 0-700 in D2 Yes Yes 2 per plant 2 meters complete IE Yes I recorder storage tank level f
Primary Plant 0-350 in A1, 02 Yes Yes 3 per plant 3 meters fuel load IE Yes I recorder i
DWST level Auxiliary feedwater 0-400 gpa A1. 81 D2 Yes Yes 2 per loop 6 meters fuel load IE Yes 3 recorders flow Core exit 200-2300*F AI 81, Cl Yes Yes 51 plasma fuel load IE Yes display temperature l
I Containment area Later*
A1. 81, 82. E2 Yes Yes 2 per plant 1 per channel fuel load IE Yes radiatton level l
(htgh range) l Secondary system Later*
A1, B2. E2 Yes Yes 2 per plant I per channel fuel load IE Yes radiatfon RCS subcooling 200*F sub-A2, 82 Yes Yes 2 per plant plasma fuel load IE Yes display cooling to 35*F super-heated
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REGULATORY GUIDE 1.97 REVISION 2 INLEENTATION REPORT (SEE NOTES I,2,3)
(page 3 of Ill SAFETY RELATED DISPLAY INSTRUENTATION Qualification Number Indicator Implementation Power Variable Range / Status Type / Category Environmental Seismic of Channels Device Date Supply Conformance Control rod in/out B3 No No 1/ rod I status complete non-lE Yes
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Ifght/ rod l
position Noutron flux 1 to 10 CPS 81 No No L ater*
L ater*
fuel load IE No (4) 0 10~ " to 10~3 AWS 0-2001 of power Reactor vessel level 0-1001 B2, C2 Yes Yes 2 per plant plasma fuel load IE No ($1 display Instrumentation plenum & core system height Containment hydrogen 0-101 81, Cl Yes Yes 2 per plant plasma fuel load IE Yes display co.. centration Plant vent Later*
C2, E2 Yes Yes 1 per plant I meter fi.el load IE Yes I recorder radiation level Containment isola-Open/ closed C2, D2 Yes Yes 1 per valve I pair lights complete IE Yes per valve tion valves status Containment pressure 0-180 psia Cl, C2 Yes Yes 2 per plant 2 meters complete IE Yes 1 dual recorder (eatended range) x
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REGULATORY GUIDE 1.97 REVISION 2 IWLEENTATION REPORT (SEE NOTES I,2,3)
(page 4 of II)
SAFETY REL ATED DISPL AY INSTRUENTATION Qualification Number Indicator Implementation Power Variable Range / Status Type / Category Environmental Seismic of Channels Device Date Supply Conformance Prfeary coolant I pcf/mi to C3 No No N/A Analysis complete non-lE Yes activity 10 cf/m1 Site environmental Later*
C3, E3 No No N/A Portable complete non-lE Yes radiacion level l
Pressurizer heater Closed-trip D2 Yes Yes 1 per heater pa :- Ilghts complete IE No (6) per heater powtr availability PO:V status Open/ closed D2 Yes Yes 1 per valve 1 pair lights complete IE Yes per valve Charging system 0-150 gpa D2 Yes No I per plant I meter complete non-lE Yes flow Prfrary safety Open/ closed D2 Yes Yes I per valve plasma fuel load IE Yes display valve status Latdown flow 0-200 gpa D2 Yes No i per plant I meter complete non-lE Yes Volume control 0-1001 of span D2 Yes No I per plant 1 meter complete non-1E Yes tank level CVCS valve status Open/ closed D2 Yes Yes I per valve 1 pair lights complete IE Yes per valve
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REGULATORY GUIDE 1.97 REVISION 2 IWLEENTATION REPORT (SEE NOTES 1.2.3)
(page 5 of II) f SAFETY RELATED DISPLAY INSTRUNNTATION Qual f fication Number Indicator Implementation Power Variable Range / Status T ype/ Category Environmental Seismic of Channels Device Date Supply Conf ormance Dicay heat removal Open/ closed D2 Yes Yes 1 per valve I pair lights complete IE Ves per valve valve status Main steamline Open/ closed B2 D2 Yes Yes 1 per valve 1 pair lights complete IE Yes per valve isolatton valve status Main steaaline Open/ closed B2. D2 Yes Yes I per valve 1 pair lights complete IE Yes per valve isolation bypass i
valve S/G safety valve Open/ closed D2 Yes Yes I per valve plasma fuel load IE Yes display status RCP seal injectton 0-IS gpa D2 Yes No 1 per pump 3 meters complete non-lE Yes flow S/G atmospheric Open/ closed D2 Yes Yes I per valve 1 pair lights complete IE Yes per valve steam dump valve status M31n feedwater con-Open/ closed D2 Yes Yes 1 per valve 1 pair lights complete IE Yes per valve trol valve status Main feedwater Open/ closed 02 Yes Yes I per valve i pair lights complete IE Ves per valve control bypass valve status
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REGULATORY GUIDE 1.97 REVISION 2 IWLEENTAil0N REPORT (SEE NOTES 1.2.3)
(page 6 of II)
SAFETY RELATED DISPLAY INSTRUENTATION Qualiffcation Number indicator laplementation Power Variable Range / Status Type / Category Environmental Seismic of Channels Device Date Supply Eonformance Main feedwater Open/ closed 02 Yes Yes 1 per valve 1 pair lights couplete
. lE Yes per valve isolation valve stotus Main f eedwater flow 0-5 W PH D2 Yes Yes 2 per S/G 6 meters complete IE Ves S/G blowdown isola-Open/ closed D2 Yes Yes I per valve 1 pair Ifghts complete IE Yes per valve tton valves status l
HHSI flow 0-I,000 gpa D2 Yes Yes I per train 2 meters complete E
Yes titSI flow 0-5,000 gpa 02 Yes No 1 per train 2 meters complete non-E Yes i
j ECCS valve status Open/ closed D2 Yes Yes I per valve I pair lights complete IE Yes per valve Auxiliary f eedwater Open/ closed D2 Yes Yes 1 per valve 1 pair Ifghts complete IE Yes pervaive valce status Containment spray 0-1101 D2 Yes Yes I per pump 4 meters complete
'E Yes flow Containment spray Open/ closed D2 Yes Yes I per valve 1 pair lights complete IE Yes per valve system valve status
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REGULATORY GUIDE 1.91 REVISION 2 IlfLEENTATION REPORT (SEE NOTES 1,2,3)
(page 7 of II)
SAFEYY RELATED DISPL AY lhSTRUENTATION Qualification Number Indicator laplementation Power Variable Range / Status Type / Category E nvironmental Seismic of Channels Device Date supply Conformance CCW h2ader 0-150 psig D2 Yes Yes 1 per header 3 meters complete non-lE Yes pressure CCW hrader 0-200*F D2 Yes Yes 1 per header 3 meters complete non-1E Yes t(apIrature CCW surge tank 0-70 in D2 Yes Yes 1 per tank 2 meters complete 1E Yes level CCW flow 0-7.000 gpa D2 Yes Yes 1 per header 2 meters complete IE Yes CCW valve status Open/ closed D2 Yes Yes 1 per valve 1 pair lights complete IE Yes per valve Service water Open/ closed D2 Yes Ysa 1 per valve 1 pair ifghts couplete IE Yes per valve system valve status l
Sirvice water 0-150 psig D2 Yes Yes 1 per trafn 2 meters complete non-lE Yes system pressure HVAC Open/ closed D2 Yes Yes I per desper 1 pair lights complete IE Yes per damper Ac/dc, vital Bus specific D2 Yes Yes I per bus 1 per bus complete IE Yes instrument voltage
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REGULATORY GUIDE I.97 REVISION 2 IWLEENTAil0N REPORT (SEE NOTES 1.2.3)
(page 9 of II)
SAFETY REL ATED DISPL AY INSTRUENTAil0N Qualiffcation Number Indicator Isplementation Power Variable Range / Status Type /Eategory Environmental Setsale of Ehannels Device Date Supply Eonformance Safety injection Run-trip D2 Yes Yes 1 per pump I pair lights complete IE Yes pump 5tatus per pump Sirvice water Run-trip D2 Yes Yes 1 per pump 1 pair lights complete IE Yes pump status per pump ECW pump status Run-trip D2 Yes Yes I per pump 1 pair lights complete IE Yes pump status per pump Control room Later*
E2 Yes Yes I per room 1 per room fuel load IE Yes radiation Strvtce water to Later*
E2 Yes Yes I per pathway I per pathway fuel load IE Yes recirculation heat exchanger concen-tration from liquid pathways Plant vent air o to 75,000 E2 Yes Yes 2
2 meters complete IE Ves flow rate SFCM Heteorlogical parameter E3 No No I
None fuel load non-lE No (1) parameters spectfic
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REGULATORY GUIDE 1.97 REVISION 2 INLEENTATION REPORT (SEE NOTES I,2,3)
(page 10 of II)
SAFETY RELATED DISPLAY INSTRUENTATION Qualif! cation Number Indicator implementation Power Variable Range / Status Type /Eategory Environmental Seismic of Ehannels Device Date Supply Eonformance Condenser afr ejector radiatfon E3 No No one per vent one'per vent fuel load non-IE Yes Air ejector Latera discharge Air ejector delay Later*
E3 No No one per vent one per vent fuel load non-lE Yes Ltd exhaust 51 accumulator No (8) tank level No (8)
Si accumulator tank pressure Yes (8) si accumulator isolatfon valve status No (9)
Boric acid charging flow RCS soluble boron 50-6000 ppe 83 No No 1
I per channel fuel load non-lE Yes concentration Analysis of primary Isotopic E3 N/A N/A 1
analysis fuel load non-lE Yes coolant (ganuna analysis sptctrum)
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(page II of II)
SAFETY REL ATED DISPLAY INSTRULENTATION Qualf fication Number Indicator Implementation Power Variable Bange/ Status Type / Category Environmental Selsaic of Channels Device Date Supply Conformance i
Primary coolant and parameter E3 No No 1
I per channel fuel load non-lE Yes sump sample specffIc
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Containment air parameter E3 No No 1
I per channel fuel load non-lE Yes sample specific No (10)
Containment atmos-phere temperature No (ll)
Containment sump teater temperature l
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NOTES 1.
Quality Assurance is in accordance with the BVPS-2 program defined in FSAR Chapter 17.
2.
EOF and TSC indications of the BVPS-2 Post Accident Monitoring Instrumentation will be addressed in the TSC and EOF submittais.
3.
The BVPS-2 Design Basis only identified the key variables that are used for monitoring the performance of safety systems and other systems 4
normally employed for attaining a safe shutdown condition.
Per the definitions in the Design Basis, these variables are designated Type D,
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Category 2.
The preferred backup variables to the Type D variables are not specified in this document. Since these variables are designated Type D, Category 3, the instrumentation is only required to be high quality comercial grade without any post-accident environmental qualification. A decision was made not to specifically identify the potential long list of instrumentation available at BVPS-2 that meets tnis definition.
Indeed, if the list were generated, it would be much more inclusive than the variables identified in Reg. Guide 1.97, Revision 2.
4.
The installed equipment is a standard kfestinghouse Nuclear Instrumentation system, powered from a battery backed Class 1E Power Source. The equipment contains isolated monitoring channels which cover the range required to be monitored. The equipment is suitable for normal operation, and the qualified instr.ument rack portion is installed in the control room which is an accessible and controlled mild environment.
Currently, no sensors are commercially available with post-accident environmental qualification; therefore no implementation schedule can be provided at this time. Borating the primary system after an accident per the E0P's ensure that adequate shutdown margin is maintained.
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5.
BVPS-2 is installing the Westinghouse differential pressure Reactor Vessel Level Instrumentation System (RVLIS).
This is an acceptable system for measuring coolant level in the reactor according to Generic Letter 82-28. BVPS-2 uses Core Exit Temperature and RCS Subcooling to support operation according to the Westinghouse Owners Group Emergency Response Guidelines. These guidelines require that the RVLIS meet Regulatory Guide 1.97 Category 2 criteria only. Operator verification of flows during safety injection operation and stringent termination criteria preclude the need for RVLIS under design basis accidents 6.
Pressurizer Heater Status - Regulatory Guide 1.97, Rev. 2 specified that heater current was the preferred parameter for determining heater status. For BVPS-2 heater breaker position, not current indication, was selected for determining pressurizer heater status due to hardware considerations. Breaker position provides adequate indication to the operator to ensure the pressurizer heaters are operable.
7.
The reconmended ranges for this instrumentation are: Wind speed 0 to 67 and -9 to 18'F for estimation of atmospheric stability. The instrumentation to be installed will cover the following ranges: Wind speed 0 to 50 mph and estimation of atmospheric stability T (150-35 ft)
-4.0 to +8.0*F; (500-35 ft) -6.0 to +12.0*F.
The instrumentation ior wind speed meets the guidance of Regulatory Guide 1.23. The vertical temperature ranges cover the range of lapse rates (change of temperature with height) guidance of Reg. Guide 1.23 required to estimate the atmospheric stability class.
8.
The licensing basis assumed in the BVPS-2 Regulatory Guide 1.97 Revision 2 Design Document was that a safe shutdown condition was a hot standby condition.
Parameters necessary to monitor the status of the plant while proceeding to a cold shutdown condition are not included in the Design Document. The accumulator pressure, accumulator isolation valvh status and accumulator nitrogen vent valve status were identified as Category 2 only if the plant has committed to safety grade cold shutdown.
9.
The Westinghouse Owner's Group Emergency Response Guidelines do not consider boric acid charging flow as a parameter to be used by operators I
during or following an accident.
Under these conditions borated water is pumped from the large volume RWST into the RCS.
BVPS-2 has designated RWST level, HHSI flow, LHSI flow, containment water level and emergency core cooling system (ECCS) valve status for monitoring the performance of the ECCS since the ECCS does not normally take suction from the boric ac. id tank.
If boration is used following an' accident, qualified charging flow indication and RCS sampling are used to demonstrate that the RCS is being adequately borated.
10.
The installed instrumentation is designed to Category 3 criteria and the measured temperature is from 0* to 200*F. The Westinghouse Owners Group Emergency Response Guidelines do not require operator action based on containment temperature indication, but rather use containment pressure indication, therefore containment temperature is considered a Category 3 parameter, and the existing range is adequate for normal operation.
- 11. The Westinghouse Owner's Group Emergency Response Guidelines do not require operator action based on containment sump water temperature indication. At saturated condition, sump water temperature can be inferred frca containment pressure.
Containment spray system valve status and containment spray flow indications are used to demonstrate that the Emergency Core Cooling System is operating properly when taking suction from the containment sump.
Wide range.
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NR Narrow range.
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Range / Status information for radiation monitors is not final.
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