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

{{Adams
| number = ML18319A095
| issue date = 11/08/2018
| title = Submittal of 10 CFR 50.55a Relief Request PR5-02 Supplement
| author name = Dent J
| author affiliation = Nebraska Public Power District (NPPD)
| addressee name = 
| addressee affiliation = NRC/Document Control Desk, NRC/NRR
| docket = 05000298
| license number = DPR-046
| contact person = 
| case reference number = NLS2018063
| document type = Letter type:NLS
| page count = 7
| project = 
| stage = Supplement
}}

=Text=
{{#Wiki_filter:Nebraska Public Power District Always there when you need us 10 CFR 50.55a NLS2018063 November 8, 2018 U.S. Nuclear Regulatory Commission Attention: Document Control Desk Washington, D.C. 20555-0001

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

==Reference:==
Letter NLS2018061 dated November 5, 2018, from John Dent, Jr., Nebraska Public Power District (NPPD) to Nuclear Regulatory Commission (NRC),
                "10CFR 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&#xa3;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:
* The temperature alarm subsystem of leak detection system is comprised of temperature sensing elements installed in the vicinity of residual heat removal (RHR), reactor water cleanup (RWCU), high pressure coolant injection (HPCI),
reactor core isolation cooling (RCIC), and main steam lines (MS), and temperature switches that actuate annunciators in the Control Room. It is designed to detect leaks in the major steam piping system, especially in remote or enclosed areas such as the steam tunnel. If a steam or water leak occurs, the temperature element would sense a rise in ambient temperature and cause an alarm in the Control Room. In addition, the continuous temperature signals are transmitted to Plant Management Information System (PMIS) for Safety Parameter Display System (SPDS) display.
* 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 hours.

NLS2018063 Attachment Page 2 of 5 CNS PRS-02 Lists of Components Valves not in position required for normal reactor startup:
Position Required  Position During Valve                Description     for Normal Reactor System Leakage Startup            Test Outboard Feedwater RF-CV-13CV                                      Open             Closed Check Valve Inboard Feedwater RF-CV-14CV                                      Open             Closed Check Valve Outboard Feedwater RF-CV-15CV                                      Open             Closed Check Valve Outboard Main MS-AOV-A086A           Steam Isolation           Open             Closed Valve Outboard Main MS-AOV-A086B           Steam Isolation           Open             Closed Valve Outboard Main MS-AOV-A086C           Steam Isolation           Open            Closed Valve Outboard Main MS-AOV-A086D            Steam Isolation           Open            Closed Valve Inboard HPCI Steam HPCI-MOV-M015                                     Open            Closed Supply Outboard HPCI HPCI-MOV-M016                                     Open            Closed Steam Supply Inboard RCIC Steam RCIC-MOV-M015                                     Open            Closed Supply Outboard RCIC RCIC-MOV-M016                                     Open            Closed Steam Supply Other valves discussed in Relief Request:
Position Required Position During Valve               Description      for Normal Reactor System Leakage Startup            Test Inboard Main Steam MS-MOV-M074                                  Open/Closed          Open Drain Valve Outboard Main MS-MOV-M077                                  Open/Closed      Open/Closed Steam Drain Valve HPCI Injection Check HPCI-CV-29CV                                    Closed           Closed Valve Inboard Feedwater RF-CV-16CV                                      Open             Open Check Valve

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ZONE A-II I _____ -JO ____ _
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                                                                                                                                                                                                                                                                                                                                        ~
10-.W-1 l"HPCl - 312        y TO HPCI FtOOR ORAIN
                                                                                                                                                                                                                                                                                                                                            ~             -      1"Rf'-57  1"Rr-ncs 1"HPCl-311 CONT. ON 2038, ZONE  J-e                                                      C                    Rf - 7.50 2"Rf'  2~PQ:: 1IIC\I     CONT ON          'j             ..t,,,,.+4--     -M l"'HPCl-253 2"HPC1-,acv         - ~:~*       r-a  3
                                                                                                                                                                                                                                                                                                                                            ~             l c
B                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       B 149HP-1-HPC1-101-14*
HPCl- 11
                                                                                                                                                                       ~
* HPCl-26              HPCl-329 PC-211                  PC-292                     PC-21!!11                                                         HPCl-252 PC-289                                                                                                                                         HPCl-"4 CONT. ON PC-294                   PC-295                     PC-2&4                    PC-285                             :zoJe.
ZONE J-7 C                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       C CONT'D f ROM ZONE E- t 2 HPCl-25-4 HPCl-102 4"HP-2                                      1-HPCl-110-4*                             4~P-4 HPCI ttsT RETURN LINE J'4"HPCl-8J 4   PCl-2~     I
                                                                                                                                                                                                                                                                  ~     BAR~
                                                                                                                                                                                                                                  ~-HPCl-&4 TIST 1
l;ii
                                              -~
* 1-HPCl-109-ljl~
l;                  .i D                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       D ei-J oc b                        ,Jf." HPCJ-19 u    ~        TO EQUIP.
DRAIN, S&#xa3;E owe. 20JI,                   ,J4" HPCl-111 el-- ....
oc                  z             ZONE J- 7
                                                                             ~ " HPCl-22
_ _ _1 ! ) ~ -
1 E
                    ~    _J
                                              .~
i:8
                                              ~i                                                                                                                                                                              ~~L
                                                                                                                                                                                                                              ~l 1-WS-117-101
                                                                                                                                                                                                                                                ~&deg;''ON ZONE H-5 S&#xa3;E ZONE A-1, A-2, 8-1
* 8-2 ""'  CONTI~TION      l            E
                                              ~i
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              ~  1
                                                                                                  '14" HPCl-11RV
                                         ,.                                                       HPCl-115
                                                                                                  '14" l',"
HPCl-251 1-HPCl-115-    "                                                                                                                                                                                                                                       ~TE 15 HPCl-250
                         **i=           1"'HP-4 TO FlOOR MAIN WATERLINE
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              -      ~
                        . l l"HPCl-l2
                         -~                                                                                                                                                                                                                                                                                                                                                                                                       1.
                                                                                                                                                                                                                                                                                                                                                                                                                                      .tl!lI&#xa3;S; UNLESS OTHERWISE INDICATED AU. PRESSURE AN O/DA 19HF'CI-JJ                                                                                                                                                                                    1"'BS- 2                                                                                                                                                                                           FLOW INSTRUMENT ROOT LINES SHAU. BE J/4*. ROOT 1-HPCI-117-1                                                                                                                                                                                           VALVES SHALL BE J/4*'1/2$JX EXCEPT AS NOTED. LINE
                                                   '                                                                                                                                                                                                                                                                                                                                                                                   UP TO ANO INCLUDING ROOT VN..V! S>W.L BE flJRNISHEO
                                                  ~
CONT. ON                                                                                                                                                                                                                                                                                                                                                                                                     ANO INSTALLED UNDER CONT. E-et-4.
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ZONE J-9
* es-2                                                                                                                                                                                         2. AT Sol.MPUNC POINTS, CONNECTIONS, PR08ES ANO ROOT VN..VES SHAU. BE FURNISHED ANO INSTN..LEO UNDER 1-HPCl-129-F                                                                                                                                                                                                                                                                                                                                                                                                                                    COHTIW:T E-81-4. PROBES SHALL BE FURNISHED ANO                     F 10"'HPCl-12CV                                                                                                                                                                           VALV[ STEAM                                                                                                                                                                                                  INSTN..L&#xa3;0 IN ACCORD,trHCE Wffii CONTRACT PARA. 3. 4.2 I.EAl(Ofl'                                                                                                                                                                                              ANO owe. SP-0721 1 FlG. NUMBER AS N0l&#xa3;0. CONT. Of 2'"HPC-.50                                                                                    S-.WPLE PIPING SY E-70-J.
t-t HPCl-283                                                                                                                                                                                                                                                                                                                                                                                       J. AU. -a5- 2* PIPINC SHOWN HERE ON IS Cl.ASS IIN HPCJ-2                                                                                                                                                                                                                                                                                                                                                                                       NUClEAR ANO Cl.ASS NP POWER ClASSIFlCATIONS WITHIN e*  TEMP. FUJSHINC                                                                                                                                                                                                                                                     THE LIMrTS SHOWN HEREON.
FROM     owe. 2041, ZONE H-J c                          4. HIGH POINT V!NTS AN O I.OW POINT DRAINS AA&#xa3; NOT SHOWN.
BLIND    F1..ANG[
                                                                                                                                                                                                                                                                                                                                "PY-\
REUEf VALVE STANDBY GAS CONT. ON
                                                                                                                                                                                                                                                                                                                                                                                     ~~' H-1
                                                                                                                                                                                                                                                                                                                                                                                                   'I T~
:!~
5.
6.
7.
                                                                                                                                                                                                                                                                                                                                                                                                                                       "'CP* INDICATES LOCATION Of CAlHOOIC PROTECTION L&#xa3;ADS TO BE INSTALLED IN ACCORDANCE WITH PARA.
1.4.14.2 CONTRACT &#xa3;-lt- 4.
0El...&#xa3;TED.
DELETED.
CONT. ON 1- HPCl-125-J*                                             20J7,                                       &. FDA ADOmONAI.. INST'RUMOOATION INCtuOIHC ALARMS.
ZONE E-1                                         TEMPERATURE ANO VIBRATION INSTRUMENTATION ASSOCI-G                                                                                                                                                                                                                                                                                                                                                                                                                                   ATED w/HPCI TURBINE. SEE G.E. owe. 729E291 B.C., SH. 2.             G II. Rff. G.E. DWC. 115CI011 SH. 2 FOR INSTR. PIPING ANO s.o. 1e9l-ff'Cl -12                 VAL.YE INSTALLATION AT INSTRUMENT RACK 25-.50, SE:C. A.
: 10. Rff. C.E. OWC. 1150I011 SH. J fOR INSTRUMENT PIPING SEE NOTE 18                                                               /\    l;(~    HPCl-11                         ANO VALVE INSTAI..LATION AT INSTRUMENT RACK 25-50, QS*,.                      HPCl-8 7 SEC. B.
: 11. DESIGN PRESSUM: fllOM PCV-50 TO R0-1JJ 41: R0-134
                                                                                                                                                                                                                                                                                                                                                                              @_ -r-         ..,       1e'"HPCl-5&MV                  IS 250 PSIC PER DC M-023.
CT        I     ..       (OLD MR 557W)             12. ROOT VN..VE HPCI-V-58 IS CAPPED AT RACK 25-50, FROM LS 2J -111A ik      B f--~                                     ~
* HP-4      S&#xa3;C. B.
                                                                                                                                                                                                                                                                                                                                                                                       '\,            ~ - HPCt-~~HPC1-1F 1J.          ~~~~~* ~~E~~NTH~o=LI~~~~
                                                                                                                                                                                                                                                                                                                                                                               ~*s1CNAL.                                              THESE BOUNOMIES ARE TOO NUMEROUS TO IDEHTIFY IN 19HP-4                                                                                                                         FRON CONO.                                            THIS MANNER (S[E ISi PROGAAM BOUNDARY OCSCRIPTIONS 1- HPCJ-107-1
* STOAAGE TANKS                                          fOR DETAILS).
LS 23-74,t. 41: B,       11*HPCl-11C\I ANO LS 2J-7!1A 41: B,                                 14. CB IS PRIMAAY CONTAINMENT 80IJNl)it.RV.
H                                                                                                                                                                                                                                                                                                                                                                               CONT. CN                                       15. AU. PIPING OPEN TO PENETRATION X-206' ANO X-2068                     H 20411, SH. 2                                         ON THIS ORAWJHC IS PART Of PRIMARY CONTAINMOO TO REACTOR Bl.DC.                                           ZONES c-e
* BOUNDARY.
EQUIP, DRAIN SUMP                                                 c -1 0 SEE  owe. 202a.                                                                                            11. WHERE LINES ARE INTERCONNEC'Tm ANO CONTlNUEO ON ZONE J-2                                                                                                     OTHER DRAWINGS, ZONE NUMBERS AR!. APPROXIMATE ONLY.
: 17. RHR STEAM CONDENSING IS NO L.ONG&#xa3;R AN OP&#xa3;RATIONAL WODE.
: 18. TUB INC INSTAU.(Q FOR lEVD. SWITCH CAUBRATION.
NJTHORJZED CONflGURATION PER EE03-72.
4"'HP-4                                                                                                                                                                                                                           111. INDICATIONS ARE Al.SO AVAIL.ABLE IN THE ~ ROOM.
4riPCl- 1JCV                                                                                                                                                                                                                                                        (Rff: 71i11E271 SH e)
REVlSIOHS TO THIS DRAWING                                                                                                                               454003637 REQUIRES A REVlSJON TO THE                                                                                                                                STATUS: RitleoN CORRESPONDING lSOKEY.                                                                                                                                STATUS 0.-.TE: 10/J0/ 20UI OS APPftOYCD: Gt..H,tr&#xa3;lt.&#xa3; AS BUILT                   VER: M, RtV: 79 SIZE: F 1 ~P- 4                    HPCI PUMP SUPPLY f"ROM SUPPftESSION CHNrolBER 1- HPCl- 100- 18*                                                                                                                                                           1- HPCl-102- 115*
FLOW DIAGRA~ - HIGH PRESSURE                                                                BURNS & ROE                     i CONT. ON                                                                                                                                                                                                                                                                           COOLANT INJECTION AND 11S"HPCl-10CV 2038, ZONE J-7 REACTOR FEED SYSTE~S                                           l---=:J!!l!!!'= -.L._~~~---1~&sect; 11S~PCl-17W (OU, . . . ....,,,                                                                                                                                                                                                                                                                                                      COOPER NUC LEAR STATION                                                               2044                       I L                                                  2                                     3                                       4                                              5                                             6                                       7                          8                                       9                                             10                                          11                                         12                         _J}}