ML17174B223

Forwards Rept of Radioactive Effluents,1977, Solid Radwaste Rept,Jul-Dec 1977 & 1977 Rept of Occupational Personnel Radiation Doses.

ML17174B223
Person / Time
Site:	Zion  File:ZionSolutions icon.png
Issue date:	02/15/1978
From:	Wandke N COMMONWEALTH EDISON CO.
To:	James Keppler NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
Shared Package
ML17174B224	List: ML17174B223 ML19290B882 ML19290B883 ML19290B884 ML19290B885 ML19290B886 ML19290B887 ML19290B888 ML19290B889 ML19290B890 ML19290B891
References
FOIA-79-488 NUDOCS 7912140431
Download: ML17174B223 (1)

Text

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>JJ. L - f~'ij .. . . .. .ICENSEE EVENT REPORT

• CONTROL BLOCK: l I I 6IQ (PLEASE P.RINT OR TYPE ALL REQUIRED INFORMATION) mLr I 1

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L I D I R I s I 3 fG)I LICENSEE CODE 14 15 0 I 0I -I 0 I0 r0 I0 LICENSE NUMBER

[ 0 i ~ ! 0 I 0 1014 Ii I 1 Ii Ii 101 I '10

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• 25 26 LICENSE TYPE JO

• 57. CAT 58

~~~~~~ L!J© I o I 5 Io Io 60 61 10 12 DOCKET NUMBER 14 19 68 101 1 I 1 11 I 1 I 1 I 9 101 _1J

69. - EVENT DATE . 74 75 21 oI

• REPORT DATE 11 1 I 9 80 I@

EVENT DESCRIPTION AND PROBABLE CONSEQUENCES@

I During normal* surveillan.ce testing of MSIV closure times, MSIV 3-203-2D. had a closure I lIJ I time of 2.9 seconds. The Tech. Spec. *limit per table 3.7.1. -/..s 3(/=T<.../=5 second_s~

m I Event was of minimal safety significance since*all the other MSIV times were within I I Tech. Spec. limits. and the .valve did close. This is a repetitive event (See R0/179-20/

lI1 I 03-0 Docket 050-249 and RO 78-63/03L-0 Docket 050-237).

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SYSTEM CAUSE CAUSE COMP. VALVE CODE CODE SU8CODE COMPONENT CODE SUBCODE* SUBCODE E I c ID I@ ~@ W@ 1v jA IL 1v jE 1x I@ L:J@ ~@

. 8 . 9 .10 .11 12 13 . 18 19 20 SEQUENTIAL . OCCURRENCE REPORT REV!SION

~ LEA/RO LVENTYEAR REPORT NO. CODE TYPE NO.

v..:.; REPORT NUMBER I

21 7 I 9I 22 I

23 I I o I3 I1 I 24 . 26 I/(

27 l oI 28 3 I 29 w

JO 31 L2J 32 ACTION FUTURE EFFECT SHUTDOWN * (22) ATTACHMENT NPRD-4 PRIME COMP. COM?OIJENT r~Erl@l~ I@

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35 Mr~I 36 I 0 I ~or~

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40 41 Fr~lSI@ Sr?~'

42 43 MANUFACTURER 1c 16 *I 6 15 1@)

44 47 CAUSE DESCRIPTION AND CORRECTIVE ACTIONS @

m I Review of historical closure times for MSIV's.indicate that minimal time variations I

IIJ .___w_i_l_l_o_c_c_u_r_d_u_*_e_t_o_w_e_a_r_a_n_d_h_e_a_t_o_f_th_e_v_a-'l_v_e_e_n_v_i_r_o_n_m_e_n_t_.__ T_h_e_v_a_l_v_e_t_i_*m_e_w_a_s_a_d_-_ ___,

]}] I justed per DOS 250-3 to within Tech. Spec. limits.* MSIV valve timing will continue.

OIL I to be conducted quarterly' and no further corrective. action is necessary. I ill8 9 80.

FACILITY IJQ\ METHOD OF A STATUS  % ?OWEA OTHER STATUS \::::J DISCOVERY" DISCOVERY DESCRIPTION TIJ 8 l.Ll@ I 0 I 5 11 l@)l.___NA_ _ _....,I 9 10

~~~l__._o_p_e_r_a_t_o_r_O_b_s_e_r_v_a_t_i_o_n_*_ _ _ _ . ------'

12 1')* 44 45 46 80 ACTIVITY CONTENT . . ~

r;-,RELEASEO OF RELEASE AMOUN_T OF ACTIVITY~. *LOCATION OF RELEASE @

~ lLl@ LU@I NA . ~_.,...._NA~~~--,..~~~~~~~~~~;._-11 8 9 10 11 44 45 80

. PERSONNEL EXPOSURES ~

r,-,

- NUMBER ~TYPE DES.CRIPTION

-'-J1 lo lo lo lW@'":'-__._._N_A_______,..----..,---------'---------J

.8 9 11 12 :J . 80

.PERSONNEL INJURIES f,;'";\

. NUMBER DESCRIPTICN~

TJ 8 lo I ol ol@)~_N_A_*..,---------------------------180 9 11 12 LOSS OF OR D.AMAGE TO FACILITY f'4:3\.

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..:.J 8 .9 TYPE LU@!

DESCRIPTION 10 .

NA / 1121Y0 '( SI so PUBLICITY r.;-., NRC USE ONLY ISSUED~ DESCRIPTION~

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