NLS2018063, Submittal of 10 CFR 50.55a Relief Request PR5-02 Supplement

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Submittal of 10 CFR 50.55a Relief Request PR5-02 Supplement
ML18319A095
Person / Time
Site: Cooper Entergy icon.png
Issue date: 11/08/2018
From: Dent J
Nebraska Public Power District (NPPD)
To:
Document Control Desk, Office of Nuclear Reactor Regulation
References
NLS2018063
Download: ML18319A095 (7)
v • d • e


Text

Nebraska Public Power District NLS2018063 November 8, 2018 U.S. Nuclear Regulatory Commission Attention:

Document Control Desk Washington, D.C. 20555-0001 Always there when you need us

Subject:

10 CFR 50.55a Relief Request PR5-02 Supplement Cooper Nuclear Station, Docket No. 50-298, DPR-46 10 CFR 50.55a

Reference:

Letter NLS2018061 dated November 5, 2018, from John Dent, Jr., Nebraska Public Power District (NPPD) to Nuclear Regulatory Commission (NRC), "lOCFR 50.55a Relief Request PR5-02"

Dear Sir or Madam:

The purpose of this letter is for NPPD to supplement the emergent relief request made on November 5, 2018 (Reference).

Relief Request PR5-02 will be used only for the duration of Refueling Outage 30. The information requested by the NRC in relation to the referenced letter was provided via email on November 5, 2018. This same information is attached to this letter. This letter contains no regulatory commitments.

Should you have any questions concerning this matter, please contact Jim Shaw, Licensing Manager, at (402) 825-2788.

Sincerely, ~1ff£1<-/w?" ~J f1"' John Dent, Jr. Vice President Nuclear and Chief Nuclear Officer /tf

Attachment:

Cooper Nuclear Station Relief Request PR5-02 Supplemental Information COOPER NUCLEAR STATION P.O. Box 98 /Brownville,.

NE 68321-0098 Telephone:

(402) 825-3811 / Fax: (402) 825-5211 www.nppd.com NLS2018063 Page 2 of2 cc: Regional Administrator w/attachment USNRC -Region IV Cooper Project Manager w/attachment USNRC -NRR Plant Licensing Branch IV Senior Resident Inspector w/attachment USNRC-CNS NPG Distribution w/o attachment CNS Records w/attachment NLS2018063 Attachment Page 1 of 5 Cooper Nuclear Station Relief Request PRS-02 Supplemental Information Cooper Nuclear Station (CNS) understands that the relief being requested is applicable only to Refueling Outage 30 and not for the entirety of the fifth 10 year inservice inspection interval.

Any additional period(s) outside of CNS Refueling Outage 30 would require subsequent, stand-alone, relief requests.

The specific components for which relief is being requested are listed in the tables on the next page. Drawings describing the location of the components for which relief is being requested have also been included as part of this attachment.

For the portions of piping operated at or above reactor pressure during normal operation that are not at test pressure, defense-in-depth for detection of possible through-wall leakage is provided by the following:

  • Control Room operators monitor Main Steam Tunnel temperatures twice per shift (every six hours) and record in Operations Log when temperature exceeds 160 F.
  • Drywell unidentified and identified leak rates are monitored in accordance with Operations daily surveillance log every 8 hours9.259259e-5 days <br />0.00222 hours <br />1.322751e-5 weeks <br />3.044e-6 months <br />.

NLS2018063 Attachment Page 2 of 5 CNS PRS-02 Lists of Components Valves not in position required for normal reactor startup: Position Required Valve Description for Normal Reactor Startup RF-CV-13CV Outboard Feedwater Open Check Valve RF-CV-14CV Inboard Feedwater Open Check Valve RF-CV-15CV Outboard Feedwater Open Check Valve Outboard Main MS-AOV-A086A Steam Isolation Open Valve Outboard Main MS-AOV-A086B Steam Isolation Open Valve Outboard Main MS-AOV-A086C Steam Isolation Open Valve Outboard Main MS-AOV-A086D Steam Isolation Open Valve HPCI-MOV-M015 Inboard HPCI Steam Open Supply HPCI-MOV-M016 Outboard HPCI Open Steam Supply RCIC-MOV-M015 Inboard RCIC Steam Open Supply RCIC-MOV-M016 Outboard RCIC Open Steam Supply Other valves discussed in Relief Request: Position Required Valve Description for Normal Reactor Startup MS-MOV-M074 Inboard Main Steam Open/Closed Drain Valve MS-MOV-M077 Outboard Main Open/Closed Steam Drain Valve HPCI-CV-29CV HPCI Injection Check Closed Valve RF-CV-16CV Inboard Feedwater Open Check Valve Position During System Leakage Test Closed Closed Closed Closed Closed Closed Closed Closed Closed Closed Closed Position During System Leakage Test Open Open/Closed Closed Open L 2 3 .= 1. PRESSURE SENSING LINES UP TO ANO INCLUDING ROOT VALVES StW..L BE FURNISHED .ANO INSTALLED UNDER CONTRACT E-H-4. ,. DEl£T[Q .l. Ml. "'WS-1" PIPING SHOWN HERfOH IS ClASS,,IN NUCl..EAA Cl.ASS UN NUClEAR N-10 Cl.ASS IV POWER CI.ASSlnCATION WITHIN THE LIMITS SHOWN HEREON, M.J.. '"BS-2" * "'MS-2 PIPING SHOWN HEREON IS CALL IIN PIPING ClASSIFlCATION.

4 5 A 4. SP<M-40 TO BE INSTAl.1.ED ClOSEO TO AD-86 , B C D E r G H 5. HIGH POINT VENTS

  • LOW POINT OfWNS ARE HOT SHOWN. 6. DELETEO. 7. f::J.. 'S WHERE SHOWN WITH NUMBERS REPRESENT POINTS OF CONNECTION TO DtlSTINC S'l"STDtil. E-73-'8 SPEClnCATION DEF1NES WOftK FROM THIS POJ"1". e. REF. C.E. OWC 11506011 SHT. 2 FOR I NSTit PIPING ANO VIJ.Vf. INSTAUATION AT INSTR. RACK 25-50 -SECTION A 9. REF. C.E. OWC 11508014 SHT. 2 FOR INSTR. PIPING AND VALVE INSTAUATION AT INSTR. RACK 25-5e -SECTION A 10. REF'. C.E. OWC 11506014 SHT. J FOR INSTR. PIPING ANO VIJ.Vf. INSTAUATION AT INSTR. RACK 25-5<<5 -SECTION B 11. REF. G.E. OWC 115D6015 SHT. 2 FOR INSTR. PIPING ANO VALV£. INSTAL.lATION AT INSTR. RACK 25-58 -SECTION A 12. REF. BURNS ANO RO£ DWC llD0-3 SHT. 149 FOR INSTR. PIPING AND VN..V£. IHSTAL.J.ATJON AT INSTR. RACK LR-11&t. ANO LR-1115B.
13. REF. BURNS ANO ROE 0WC ll.£70-3 SHT. 121A F'OR INSTR. PIPING ANO VALVE INSTAU.A TION. 14. DEl.£TED.
15. D0.£TED 16. TESTABLE f\.ANC£S.
17. INSTRUMENT , SM,IPI.£.

TEST, ORAlN ANO VENT LINES ARE NOT ALWAYS THE SAME Cl.ASS AS THE MAIN LINE ANO THESE 80UN~IES ARE TOO NUMEROUS TO IDOmFY IN THIS MANNER (SEE ISi PROCRAM 80UNIMRI' DESCRIPTIONS F'OR DETAILS). 1S. CB IS PRIMARY CONTAINMEHT 80UNDRY. 19. WHERE LINES ARE INT[RC()NNECTED AHO CONTJNUEO ON OTHER DRAWINGS, ZONE NUMBERS ARE APPROXIMAT[

ONLY. 20. BOUNDNfl' VALVE -RU. TO CALC. NEDC 00-029, ENG. EVAL EE 01-147

  • OWC CNS-WS-43 F'OR IOENTin CATION or THE MSIV l£AKACE PATHWAY TO THE CONDENSER 80UN~IES
  • SEISMIC QUALJnCATIONS.

2 1. AN IN-LINE PIP£ CAP HAS BEEN INSTAU.£D FOR ISOLATION or THE RHR ST[AM CONDENSING MOOE SYSTEM PIPING. RU. CED &012122. 3-WS-1 ZONE 0-12 MS*AO*A086A THIS OWG. r ---------------------------"'I 1-Pl-1S MS-1 1 BCV : 1-Pl-lS MS-10 BCV 1~ ,~ : E/S 1 FPS1 ,-------+~:~~~:=~::~------~:~=~

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NOT[ *> PRIMARY CONTAIN M ENT ISOLATION SYSTEM ; 3711 1 1-J E/P 10-1459 ... FOR PIPING INTERRELATION SEE 2040 SH. l 10 Ul-11* 2040 z:.E 2~-z~To 0_12 (SEE NOTt 12) ----T1 a* RH-2 <,---HPC l*MO V*M016 2 >S:*ws-2 0* 19RHR-JOJ 19RHR-l04 RHR-F\..C-20R\I (SEE NOTE 18) f.*RHR-370 f*.RHR-371 10 *-J l~RBll;Mf'ig\~ l~R~4g1g~

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  • 1-HPCl-109-

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-~:~* r-a 3 l HPCl-2 5-4 HPCl-102 "PY-\ 1 -HPCl-125-J

  • 2'"HPC-.50 c REUEf VALVE STANDBY GAS 1 0 c T~ CONT. ON 'I ~~'H-1 :!~ CONT. ON 20J7 , ZONE E-1 1 1 12 S£E ZONE A-1, A-2, 8-1
  • 8-2 ""' CONTI~TION l ~TE 15 WATERLINE

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1. UNLESS O THERWISE I N DICATED AU. PRESSURE AN O/DA FLOW INSTRUMENT ROOT LINES SHAU. BE J/4*. ROOT VALVES SHALL BE J/4*'1/2$JX EXCEPT AS NOTED. LINE UP TO ANO INCLUDING ROOT VN..V! S>W.L BE flJRNISHEO ANO INSTALLED U N DER CONT. E-et-4. 2. AT Sol.M PUNC POINTS, CON N ECTIONS, PR08ES AN O ROOT VN..VES SHAU. BE FURNISHED AN O INSTN..LEO UNDER COHTIW:T E-81-4. PROBES SHALL BE FURNISHED ANO INSTN..L£0 IN ACCORD,trHCE Wffii CONTRACT P ARA. 3.4.2 AN O owe. SP-0721 1 FlG. NU MB ER AS N0l£0. CONT. Of S-.WPLE P I PING SY E-70-J. J. AU. -a5-2* PIPINC SHOWN HERE ON IS Cl.ASS IIN NUClEAR ANO Cl.ASS NP POWER ClASSIFlCATIONS WITHIN THE LI M rTS SHOWN HEREON. 4. HIGH POINT V!NTS AN O I.OW POINT DRAINS AA£ NOT SHOWN. 5. "'CP* INDICATES LOCATION Of CAlHOOIC PROTECTION L£ADS TO BE INSTALLED IN ACCORDANCE WITH PARA. 1.4.14.2 CONTRACT £-lt-4. 6. 0El...£TED. 7. DELETED. &. FDA ADOmONAI..

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THESE BOUNOMIES ARE TOO NUMEROUS TO IDEHTIFY IN TH I S MAN NER (S[E IS i PROGAAM BOUNDARY OCSCRIPTIONS 11*HPCl-11C\I fOR DETAILS). 14. CB IS PRIMAAY CONTAINMENT 80IJNl)it.RV. 15. AU. P I P ING OPEN TO PENETRATION X-206' ANO X-2068 ON THIS ORAWJHC IS PART Of PRIMARY CONTAINMOO BOU N DARY. 11. WHERE LINES ARE INTERCONNEC'Tm ANO CONTlNUEO ON OTHER DRAWINGS , ZONE NUMBERS AR!. APPROX I MATE ONL Y. 1 7. RHR STEAM CONDENS I NG I S NO L.ONG£R AN OP£RATIONAL WODE. 18. TUB I NC INSTAU.(Q FOR lEVD. SWITCH CAUBRATION. NJTHORJZED CONflGURATION PER EE03-72. 111. INDICATIONS ARE Al.SO AVAIL.ABLE IN THE ROOM. (Rff: 71i11E271 SH e) AS BUILT 454003637 STATUS: Ritleo N STATUS 0.-.TE: 10/J0/20UI OS APPftOYCD:

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