ML20154P310

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Proposed Tech Specs Resolving USQ by Leaving Valves DHV-34 & DHV-35 Normally Closed
ML20154P310
Person / Time
Site: Crystal River Duke Energy icon.png
Issue date: 10/16/1998
From:
FLORIDA POWER CORP.
To:
Shared Package
ML20154P308 List:
References
NUDOCS 9810220287
Download: ML20154P310 (16)
v • d • e


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FLORIDA POWER CORPORATION l CRYSTAL RIVER UNIT 3 l DOCKET NUMBER 50-302/ LICENSE NUMBER DPR-72 l I

ATTACHMENT C ,

1 LICENSE AMENDMENT REQUEST #229 REVISION 0 4

Proposed ITS/ITS Hases i Change Pages - Strikethrough/ Highlight Stdkethrer;;h-Ted Deleted,IM$iedjUd Added 1

9810220287 981016 PDR ADDCK 05000302, P pg

ECCS-Operating 3.5.2 SURVEILLANCE REQUIREMENTS (continued) l

\

SURVEILLANCE FREQUENCY  ;

1 SR 3.5.2.6 Verify the flow controllers for the 24 months following LPI throttle valves operate properly:

a. DHV-110 ,
b. DHV-111 J SR 3.5.2.7 Verify, by visual inspection, each ECCS 24 months train reactor building emergency sump suction inlet is not restricted by debris and suction inlet trash racks and screens i show no evidence of structural distress or l abnormal corrosion.

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Crystal River Unit 3 3.5-6 Amendment No.

.. . - . - - . . . - - . . . - . . . _ . ... - - --.._ _ .-.. ~.. ~-. .. . _ . , . - . . - . . . . - _ - _ -

ECCS-Shutdown 3.5.3 i SURV _EILL.ANCE ._ REQUIREMENTS SURVEILLANCE FREQUENCY i

i SR 3.5.3,1 ------------------NOTE-------------------- i

. An LPI subsystem may be considered OPERABLE i

! during alignment and operation for decay i heat removal if capable of being manually l re-aligned te the ECCS mode of operation. . l l

l For all equipment required to be OPERABLE; In accordance

'the following SRs are applicable. with applicable SR 3.5.2.1 SR 3.5.2.6 bS SR 3.5.2.2 SR 3.5.2.7 l SR 3.5.2.5 $ G 1757274  :

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Crystal River Unit 3 3.5-8 Amendment No.

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Reactor Building Spray and Containment Cooling Systems 3.6.6

! SURVEILLANCE' REQUIREMENTS (continued) l-

! SURVEILLANCE FREQUENCY l

l SR 3.6.6.7 -------------------NOTE--------------------

Not applicable in MODE 4.

Verify each required containment cooling 24 months train starts automatically on an actual or simulated actuatiori signal l

SR 3.6.6.8 Verify each spray nozzle is unobstructed. 10 years BRIffMIDXilIEWMfEBA%stsid66753515EIJ5%f61Hsf?Astilid $ffdiss t

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I 3.6-20 Crystal River Unit 3 Amendment No.

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ECCS-Operating B 3.5.2 BASES SURVEILLANCE SR 3.5.2.5, REQUIREMENTS (continued) This Surveillance ensures that these valves are in the

, proper position to prevent the HPI pump from exceeding its runout limit. This 24 month Frequency is acceptable based on consideration of the design reliability (and confirming operating experience) of the equipment.

SE 3.5.2,5 This Surveillance ensures that the flow controllers for the LPI throttle valves will automatically control the LPI train flow rate in the desired range and prevent LPI pump runout as RCS pressure decreases after a LOCA. The 24 month Frequency is acceptable based on consideration of the design reliability (and confirming operating experience) of the equipment.

SR 3.5.21 Periodic inspections of the reactor building emergency sump suction inlet ensure that it is unrestricted and stays in proper operating condition. The 24 month Frequency is based on the need to perfcrm this Surveillance under the conditions that apply during a plant outage and to preserve access to the location. This Frequency has been found to be sufficient to detect abnormal degradation and has been confirmed by operating experient..

SRW3iSTf?8 Wi EhTthi"sEiEEiWoff I PIT 6siinW6psFifi667 thiiLPI pipingVasdicomponeits9arein6rma11Zisolatedifr6m7thef8WSTK6f normallyfclosed i suctionWalves @ ARslucMthe/ pi pi ng ( hasiths

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? voids #asWrasul thoff external # systeki bothntf alitRdese16p$thellPIj pi pi nglind ycomponent3

,leakaigeQMaintainin ibetweid the?BWSTfa'ndith'elRCStfu1 E of;waterdensures? t hatstheIsystem irillipsrform{ppoperly,Mnjecting M tsj fu11/hspAcity/ int 6j thi RCSiup6W demand G ThisEwill?also' prevent n aterMiammW Epump

' cavitation Mandipumpi ng Tof? ai r H ntolthyrsa:: ton #ossel fol)bei ng l an?sitomati cr actsationisi snalMr;duriWgidetay2hisi "remova10operatio6 M The!3Ll daw Frequency 3takesiint6 Eon siderati on:TtheU fact {thatfexteinib lPIisystem;1 eak~asslis petiodicallyimontoredk

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(continued)

Crystal River Unit 3 B 3.5-18 Amendment No.

ECCS-Operating B 3.5.2

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! BASES L $9RVfifCANC$7ffEESRM375Y2i&YMnitih04d)

RfAUI#fMENTS l

EAMUMN5IN@@dt 55s TEWIKIo@$pumpf@ug'cion_fNIEfEU l

l 0$:stegjsprforme , itoringiLPI l pressureftt/tensursial]) ionsidfithesLEIbystemiremai,n, NisiVM$tdopphetl6ptes$Ute2 l

1 REFERENCES 1. 10 CFR 50.46.

2. FSAR, Scction 6.1.
3. NRC Memorandum to V. Stello, 3r. , from R.L. Baer,

" Recommended Interim Rev'isions to LCOs for ECCS Components," December 1, 1975.

4. American Society of Mechanical Engineers, Boiler and Pressure Vessel Code,Section XI, Inservice Inspection, Article IWP-3000.
5. FTI 51-1266138-01, Safety Analysis Input to startup Team Safety Assessment. NOTE
6. FSAR, Section 4.3.30.1.

Crystal River Unit 3 8 3.5-19 Amendment No.

NOTE - Valid Until Cycle 12 Only

Reactor Building Spray and Containment Cooling Systems l B 3.6.6 i BASES

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! SURVEILLANCE .SR 3.6.61 (continued)

! REQUIREMENTS

approximately in half.(motor at low speed). Thus, this SR l_ ensures that one'of the running motors automatically switches to low speed upon receipt of the containment i cooling engineered safe. guards actuation signal and the other i

running motor trips. To prevent exceeding SW design temperatures, by having two RB fans in service, this SR also ensures that only on RB fan will start on an ES actuation signal. The 24 month Frequency is based on engineering judgment and has been shown to be acceptable through operating experience. See SR 3.6.6.5 and SR 3.6.6.6, above, for further discussion of the basis for the 24 month l Frequency.

The SR is modified by a note indicating the SR is not applicable in the identified MODE. This is necessary in order to make the requirements for automatic system response consistent with those for the actuation instrumentation.

SR 3 J J ,3 With the containment spray header isolated and drained of any solution, low pressure air or smoke can be blown through test connections. Performance of this Surveillance demonstraws that each spray nozzle is unobstructed and provides assurance that spray coverage of the containment during an accident is not degraded. Due to the passive nature of the design of the nozzles, a test at 10 year intervals is considered adequate to detect obstruction of the spray nozzles.

SR Y3Tn?6 3 TlislBSTiphis7sGEtToiiT5fpihi7sKd{psspsisWiidFs119fihlhid fronChe%BWSTiby theGuctiorspipjn?

norma 11yselosed suctiorifValves%AsVsdch?

g his(theipotentialstoidevelc

'risultiof ternalksystemYleakageMMainninin$voidsia~sia githe piping betweennh@e%3T2 snd a the t BMpumps h ful1YdO sate r!!e

'thkisys tensi1Rpe rf6rm jrope rl yZi nj ehtihg f.it Afull bapaci tyfi n kreverrtiste tWthe Chontainmenn(upon]

hammerkindfpump demand MThi s %igili6 civitatiorEfollokingjan automatinuc(tuationisigna1MThe911dayjFreq7ency9take_ssi_nto .

consideFdtidnithei fa cttthatseitesah8SXsystemil eakage31 s pedOdically[motiitored) l (continued)

Crystal River Unit 3 B 3.6-45 Amendment No.

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1 Reat. tor Building Spray and Containment Cooling Systems l j B 3.6.6 i BASES i

$0RVEILCANC8pIFEREstMf676fMR256fisusa) i REWIREMENM l VEifii3B BMWaCthPB5?iU"dti shWi3i nRfesiiWfal TT6f  ;

i hipsN6/med by$moditorynghtPI!: pump the Na6@3.P11p%)j@f@and umps (Qnsure- tj onstofXthMM5isuctird piki ngiresai iBSrifabou spuepM$0 n%uctionghesded )

atmos'phehi'c apeessureJ  ;

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! REFERENCES 1. FSAR, Section 1.4.

2. FSAR, Section 14.2.2.5.9. l 1
3. FSAR, Section 6.3.  !
4. R0-2787 Requirement Outline, Reactor Building Fan Assemblies, Addendum 8, February 19, 1971.
5. ASME, Boiler and Pressure Vessel Code,Section XI.

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Crystal River Unit 3 8 3.6-45A Amendment No.

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1 j FLORIDA POWER CORPORATION CRYSTAL RIVER UNIT 3 DOCKET NUMBER 50-302/ LICENSE NUMBER DPR-72 ATTACIIMENT D LICENSE AMENDMENT REQUEST #229 REVISION 0 Proposed ITS/ITS Bases Change Pages - Revision Bars

ECCS-Operating 3.5.2

} SURVEILLANCE REQUIREMENTS (continued)

{ SURVEILLANCE FREQUENCY SR 3.5.2.6 Verify the flow controllers for tFe 24 months e following LPI throttle valves ope. rate i

properly:

j a. DHV-110

b. DHV-111 l .
SR 3.5.2.7 Verify, by visual inspection, each ECCS 24 months train reactor building emergency sump suction inlet is not restricted by debris I and suction inlet trash racks and screens i j'

show no evidence of structural distress or abnormal corrosion, j l

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SR 3.5.2.8 Verify LPI ECCS piping is full of water. 31 days l i l
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Crystal River Unit 3 3.5-6 Amendment No.

ECCS-Shutdown 3.5.3 SURVEILLANCE REQUIREMENTS SURVEILLANCE FREQUENCY SR 3.5.3.1' -------------------NOTE--------------------

An LPI subsystem may be considered OPERABLE during alignment and operation for decay heat removal if capable of being manually re-aligned to the ECCS mode of operation.

i For all equipment required to be OPERABLE; In accordance the following SRs are applicable. with applicable SRs SR 3.5.2.1 SR 3.5.2.6 SR 3.5.2.2 SR 3.5.2.7 SR 3.5.2.5 SR 3.5.2.8 l f

Crystal River Unit 3 3.5-8 Amendment No.

Reactor Building Spray and Containment Cooling Systems 3.6.6 SURVEILLANCE REQUIREMENTS (continued)

SURVEILLANCE FREQUENCY a

SR 3.6.6.7 -------------------NOTE--------------------

l Not applicable in MODE 4.

' , Verify each required containment cooling 24 months train starts automatically on an actual or simulated actuation signal.

SR 3.6.6.8 Verify each spray nozzle is unobstructed. 10 years SR 3.6,6.9 Verify BS suction piping is full of. water. 31 days t

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Crystal River Unit 3 3.6-20 Amendment No.

ECCS-Operating i

B 3.5.2  !

I

BASES 1

1 l SURVEILLANCE S_R 3. 5. 2d i l

l REQUIREMENTS (continued) This Surveillance ensures that these valves are in the proper position to prevent the HPI pump from exceeding its I runout limit. This 24 month Frequency it acceptable based l on consideration of the design reliability (and confirming '

operating experience) of the equipment.

Sil.._3 32f2 l

This Surveillance ensures that the flow controllers for the LPI throttle valves will automatically control the LPI train i flow rate in the desired range and prevent LPI pump runout l as RCS pressure decreases after a LOCA. The 24 month Frequency is acceptable based on consideration of the design reliability (and confirming operating experience) of the equipment. i SR 3. 5. 2 d Periodic inspections of the reactor building emergency sump suction inlet ensure that it is unrestricted and stays in proper operating condition. The 24 month Frequency is based on the need to perform this Surveillance under the l conditions that apply during a plant outage and to preserve access to the location. This Frequency has been found to be sufficient to detect abnormal degradation and has been confirmed by operating experience.

SR 3. 5.2J l With the exception of LPI trains in operation, the LPI piping and components are normally isolated from the BWST by normally closed suction valves. As such, the piping has the i potential to develop voids as a result of external system leakage. Maintaining the LPI piping and components between the BWST and the RCS full of water ensures that the system will perform properly, injecting its full capacity into the RCS upon demand. This will also prevent water hammer, pump cavitation, and pumping of air into the reactor vessel following an automatic actuation signal or during decay heat removal operation. The 31 day Frequency takes into consideration the fact that external LPI system leakage is periodically monitored.

(continued)

Crystal River Unit 3 8 3.5-18 Amendment No.

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ECCS-Operating B 3.5.2 BASES i

SURVEILLANCE - SR 3.5.2.8 (continued)' l REQUIREMENTS I Verification that the LPI piping and components remain full l of water is performed by monitoring LPI pump suction '

pressure to ensure all portions of the LPI system remain j above atmospheric pressure. I REFERENCES 1. 10 CFR 50.46,

2. FSAR, Section 6.1.
3. NRC Memorandum to V. Stello, Jr., from R.L. Baer,

" Recommended Interim Revisions to LCOs for ECCS Components," December 1, 1975.

4. American Society of Mechanical Engineers, Boiler and

. Pressure Vessel Code,Section XI, Inservice

Inspection, Article IWP-3000.
5. FTI 51-1266138-01, Safety Analysis Input to Startup Team Safety Assessment. NOTE
6. FSAR, Section 4.3.10.1.

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Crystal River Unit 3 B 3.5-19 Amendment No.

NOTE - Valid Until Cycle 12 Only

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1 l Reactor Building Spray and Containment Cooling Systems j B 3.6.6 t

l BASES SURVEILLANCE SR 3.6.62 Z (continued)

REQUIREMENTS l approximately in half (motor at low speed). Thus, this SR l ensures that one of the running motors automatically switches to low speed upon receipt of the containment

cooling engineered safeguards actuation signal and the other l running motor trips. To prevent exceeding SW design temperatures, by having two RB fans in service, this SR also ensures that only on RB fan will start on an ES actuation signal. The 24 month Frequency is based on engineering judgment and has been shown to be acceptable through operating experience. See SR 3.6.6.5 and SR 3.6.6.6, above, for further discussion of the basis for the 24 month Frequency.

The SR is modified by a note indicating the SR is not applicable in the identified MODE. This is necessary in order to make the requirements for automatic system response consistent with those for the actuation instrumentation.

SR 3.6.6.8 With the containment spray header isolated and drained of any solution, low pressure air or smoke can be blown through test connections. Performance of this Surveillance demonstrates that each spray nozzle is unobstructed and provides assurance that spray coverage of the containment during an accident is not degraded. Due to the passive nature of the design of the nozzles, a test at 10 year intervals is considered adequate to detect obstruction of the spray nozzles.

SR 3.6.6.9 l The BS system suction piping and pumps are normally isolated from the BWST by normally closed suction valves. As such, the suction piping has the potential to develop voids as a result of external system leakage. Maintaining the piping between the BWST and the ES pumps full of water ensures that the system will perform properly, injecting its full capacity into the containment upon demand. This will also prevent water hammer and pump cavitation Following an automatic actuation signal. The 31 day Frequency takes into consideration the fact that external BS system leakage is periodically monitored.

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(continued)

I Crystal River Unit 3 B 3.6-45 Amendment No.

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Rsactor Building Spray and Containment Cooling Systems B 3.6.6 BASES SURVEILLANCE SR 3.6.6 2 (continued)

REQUIREMENTS l Verification that the BS suction piping remains full of water is performed by monitoring LPI pump suction pressure j (the LPI pumps and BS pumps share a common suction header) l to ensure all portions of the BS suction piping remain above atmospheric pressure, i

i REFERENCES 1. FSAR, Section 1.4.

2. FSAR, Section 14.2.2.5.9.
3. FSAR, Section 6.3.
4. R0-2787 Requirement Outline, Reactor Building Fan Assemblies, Addendum B, February 19, 1971.
5. ASME, Boiler and Pressure Vessel Code,Section XI.

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Crystal River Unit 3 B 3.6-45A Amendment No.

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