ML18347B149

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LER 1978-024-00 & LER 1978-025-00 for Palisades Nuclear Plant, Steam Generator Ph Dropped to 8.02 & One of Two Heaters for T-53B (Concentrated Boric Acid Tank) Failed
ML18347B149
Person / Time
Site: Palisades Entergy icon.png
Issue date: 07/20/1978
From: Hoffman D
Consumers Power Co
To: James Keppler
NRC/IE, NRC/RGN-III
References
LER 1978-024-00, LER 1978-025-00
Download: ML18347B149 (3)
v • d • e


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consumers

  • Power company General Offices: 21?. West Michigan Avenue, Jackson, Michigan 49201
  • Area Code 517 788-0550 July 20, 1978

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-:c: --j Mr James G Keppler ':_)

Office of Inspection and Enforcement Region III US Nuclear Regulatory Commission 799 Roosevelt Road Glen Ellyn, IL 60137 DOCKET~'). LICENSE DPR PALISAD~T - LICENSEE EVENT REPORTS78-024 and 78-025

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David P Hoffman (j Assistant Nuclear Licensing Administrator 0

CC: Director, Office of Nuclear Reactor Regulation Director, Office of Inspection and Enforcement

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Palisades NRC FORM366 U; S. NUCLEAR REGULATORY COMMISSION (7*771 LICENSEE EVENT REPORT CONTROL BLOCK: I I _J 0 (PLEASE PRINT OR TYPE ALL REQUIRED INFORMATIONI 1 6

~IM1 1 iPIA!Ll 1 14101°1°1°1°1°1°1°1°1°19°101 4 1 1 1 1 LICENSE 1 1 1 1 10157 CAT I 1© 7 8 9 LICENSEE CODE / ,5 LICENSE NUMBER ~5 26 TY~E 30 58 CON'T ITII1  :~~~~ ~©1° I 5 1° Io I 0 12 I 5 15 K!)P 16 f P- 17 I 8 l@I o I 712 Io 17 I 8 IG) 7 B 60 61 DOCKET NUMBER 68 69 EVENT DATE 74 75 REPORT DATE 80 EVENT DESCRIPTION AND PROBABLE CONSEQUENCES (,ii\

[§.J2J I During normal plant operation, 'lfteam generator ph drop:ped to 8. 02. Event occurred approx 1 hour1.157407e-5 days <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br /> after condensate polishers were placed in service.

Occurrence is a degraded mode permitted by the LCO of TS 3.18.3. Ph was returned to within s:pecs within 4 hours4.62963e-5 days <br />0.00111 hours <br />6.613757e-6 weeks <br />1.522e-6 months <br /> by chemical addition, rerouting

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of after condensate drains, and regulating blowdown flow rate. Event had

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£IID I no adverse effect on public health or safety.

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7 8 9 BO SYSTEM CAUSE CAUSE COMP. VALVE

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r.::\ LER/RO EVENTYEAR REPDRTNO,. CODE;., ~E

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0 I I 10 121 41 1.....-1 Io I ! 1b *1 ACTION FUTURE C 21 22 EFFECT 23 SHUTDOWN 24 26 27

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28 ATTACHMENT NPR~

30 PRIME COMP.

31 32 COMPONENT TAKEN ACTION ON 2-ANT ME~oo HBu'tl ~ sue'MTTED FORtt~us. . SUPPLIER MANUFACTURER

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CAUSE DESCRIPTION AND CORREC"rlVE ACTIONS {27)

IJ))] I The condensate polisher cati'i(n resin had one percent of the available transfer sites in the hydrogen form. This resulted in removal of amines

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from the condensate with a resultant ph depression. The resin vendor c:mJ has been notified of the problem~ Resins to be used in the future will IJ))] '--~~~~~~~~--~~~~~~~~~~~~~~~~~~~~~~~___J

~ be fully ammoniated in order to avoid amine transfer out of the condensate.

~ '--~~~~~~~~~~~.;..._~~~~~~~~~~~~~~~~~~~_.;..___JI 7 B 9 80 FACILITY

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OJI] L.!J@ Io I I) !@)I N I cd~TENT 7 8 12 13 44 80 Al-rlVITY .

r.-r::;"'lRELEASED OF R&l..EASE N/A ~MOUNT OF ACTIVllY@ N/A LOCATION OF RELEASE @

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LOSS OF OR DAMAGE TO FACILITY '4J'I 80 TY'C DESCW1'J'tON ~

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Palisades NRC FORM:i66 U.S. NUCLEAR REGULATORY COMMISSION (7*771 LICENSEE EVENT REPORT

. CONTROL BLOCK: I 1

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(PLEASE PRINT OR TYPE ALL REQUIRED INFORMATION)

ITI2J 7 8 jM I I I p I 9 LICENSEE CODE Al LI 1 101 ° 14 ,5 I 0 1° I 0 1° I 0 1° LICENSE NUMBER I 0 p

CON'T CilIJ  :~~~~;~10151010101215151C?)!OP1211111BIG)10111210111s10 7 8 60 61 DOCKET NUMBER 68 69 EVENT DATE 74 75 REPORT DATE 80 EVENT DESCRIPTION ANO PROBABLE CONSEQUENCES@

[§JI) I During normal plan~ operation, one of the two heaters for T-53B (concen-(2JI] trated boric acid tank) failed. Repairs necessitated removing the tank 1

from service. This occurrence is a degraded.mode permitted by the LCO of

[Q))J T.S. 3.2.3. Event had no adverse.effect on public health or safety.

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7 8 9 80 SYSTEM CAUSE CAUSE COMP. VALVE CODE. CODE SUBCODE COMPONENT CODE SUBCOOE SUBCOOE III!] !RI Bl@ L.!J@ L!J@) jH I E!A IT !E jR !@ ~@ ~@

7 B 9 10 11 12 13 18 19 20 SEQUENTIAL OCCURRENCE REPORT REVISION*

~ LER/RO CEVENT Y~AR REPORT N!2. COOjl_ "'O'PE

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\!.:)REPORT 171tjl I I 10121'1 ,.,......., 1op1 L:::_J I I LJ NUMBER 21 22 23 24 26 27 28 29 30 31 32 ACTION FUTURE EFFECT SHUTDOWN

  • h;\* ATTACHMENT NPRD4 PRIME COMP. COMPONENT TA'CfN ACTzaN ON PZ"'NT MET~OD H9YRo  :-Er SUB.N11TTEO FOir :iUB. SUP:ftlER MANUl'/'IC'l'URE~

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44 47 CAUSE DESCRIPTION ANO CORREC"rlVE ACTIONS@

[I((] I The electric heater for T-53B burned out. The heater was replaced and the tank was returned to service. This type of failure is considered to be normal; no further corrective action is contemplated.

OJI) 7 8 9 80 FACILITY !Jc)\ METHOD OF (.;'.:;\

STATUS  % PO~ER JTHER STATUS ~ 01sizivERY N/A DISCOVERY DESCRIPTION ~

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7 8 9 l!J@ I10 01 tjl 51@1 12 13 NA 44 I l::.J@)'"""I 45 . 46

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RE~SEO OF RezEASE N £MOUNT OF ACTIVITY N/A LOCATION OF RELEASE @

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45 BO PERSONNEL EXPOSURES (.;d\

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7 B 9 I I I 11!@)~-----------------------~

12 LOSS OF OR DAMAGE TO FACILITY G 80 TYPE DESCRIPTION ~

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7 B 9 10 - BO PUBLICITY C\ NRC USE ONLY 1IIIJ IS~l,IEOc,;\

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________________________________________, I I I IIII I I I II I 7 B 9 10 68 69 80

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