ML20085C964

From kanterella
Jump to navigation Jump to search
Telecopy Ao:On 741010,switch 1 of LIS-1-263-72C Would Not Trip at Test Pressure.Mercury Switch Realigned & Recalibr. Further Info to Be Provided by AO 50-254/74-32
ML20085C964
Person / Time
Site: Quad Cities 
Issue date: 10/11/1974
From: Kalivianakis N
COMMONWEALTH EDISON CO.
To: James Keppler
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
Shared Package
ML20085C963 List:
References
NJK-74-327, NUDOCS 8307130279
Download: ML20085C964 (1)


Text

-

O sN%.4 c- -

i' M,3 CFud. Cit:escene StatAT.

/c

/p Pm.t Otteo Dax 2I8 t-

\\?.

j Corttova,(ttnols 61242.

wg Towptone339/Mc 224t -

N2K 327

'"TELECOPYt Region. III,, Attention:t Mr.- C;. Feierabendc

{

october II.,1974-J. Keppler., Rogional Director Directorate of Regulatory Operations Region.III U

S ATOMIC ENERGY COMMISSION':

i 7CO Roosevelt Road l

l Glen Ellyn, Illinois..

60137 t REPERENCB's.

QUAD-CITIES UUCLEhR POWSR SIATION, Unit 1 Docket No. 50-254, DPR !

Appendix A. Sections.1.0.A.2,3.2.BL,.. Table 3.2.2, l

6. 6~. D. 1. a.

t

Dear Mr..Kbpplert:

t--The purpose of this, letter is:to. provide you wittr: notification. OE fr. an. Abnormal Occurrence as regaired by Technical Specification.

6.6.Be1.a... withina 24' hours of the occurrence..

k on.. october 10,1974rwhile perfordng routine surveillance.calibra-b tions tonting of LIS-I-263-72C; it was discovered that. switch. number ona. would not trip. regardless ofs test pressura appli'ed!.

The-mercury-1

- switch..was realigned and recalibrated.

The switch was retested on.

October 21, 1974 and: found to bo natisfactorys A routinn functional I

- tent is planned. next moa.th.: for< this, switch..

k This occurrenco was discussed hy-telephone-with.-Mr Ea Jordan. of:

your offica on_ October 11., 1974 Further information will. be pro.-

vided. by Abnormal Occurrence Report. A0 50-254/74-32'.which.will. be-

= cubmitted. within.10" dsys of: the date of this occurrence.

l very truly yours,

' COMMON fB ALTH. EDISON *. COMPANY OUAD-CITIES NU' LEAR. Po R STATIONC

$Y

?

N;.J. Kalivianakis y,.

Station superintendent 8307130279 74101s NJK"iCWS/dkp.

PDR ADOCK 05000254 i

S PDR cc t.

Directorate: of Licensing-J S'.

Abel.

] 1' $74 y

= = = - = -

. - -