ML17173A488

Forwards LER 78-069/03L-0

ML17173A488
Person / Time
Site:	Dresden
Issue date:	01/09/1979
From:	Stephenson B COMMONWEALTH EDISON CO.
To:	James Keppler NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML17173A492	List: ML17173A488 ML19274D219
References
79-16, NUDOCS 7901160291
Download: ML17173A488 (2)

Text

'

Commonwea9Edison

.. Dresden Nuclear Power Station R.R. #1 Morris, Illinois 60450

• .. Telephone 815/942-2920 January .:*.9, 1979 BBS LTR //79-16 James G. Keppler, Regional Director Directorate of R~gulatory Operations - Region III U. S. Nuclear Regulatory Commission 7qq Roosevelt Road Glen Ellyn, IL 60137 Reportable Occurrence Report #78-69/031-0, Docket #050-237 is hereby suomitted to your office in accordance with Dresden Nuclear Power Station TechniGal Specification 6. 6 .B-. 2 ~ (c), observed inadequ.acies in the imple~entation of administrative or procedural controls which *J~::i threaten to cause"* reduction of degree of redundaricy provided in reactor protection systems or engineered safety feature systems.

ep son Station Superintendent Dresden Nuclear Power Station BBS:lcg Enclosure cc: Director-of Inspection & Enforcement Director of Management Information & Program Control File/NRC

'/ J6.6 "'

NRC f'\JRM U.S. NUCLEAR REGULATORY COMMISSION (7-77) ..

. (...~.;. .LICENSEE EVENT REPORT CQNTRt}L B~OCK: 'j._'"_ _.____._~-~~___.I f1\ (PLEASE PRINT OR TYPE ALL REQUIRED INFORMATION)

• ~: . 1 6 \.V

~II IL ID IR IS 12101 °1 °1 -1 °1 01 °1 01°1-1 01 01014111 1111 1101 I 10 ..

~-s_g_ _ _ LICENSEE.CODE--14_ _1.5. LICENSE-NUMBER . 25-26--t:ICENSE-TYPE :JO 57 CAT 58 ------

CON'T 7

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~~~~~ L::J©I 01 s1 01 01 01 213111011 12 111017 1s 1010111 01 91 71 91G) 60 61 DOCKET NUMBER 68 69 EVENT DATE 74 75. REPORT.DATE 80 EVENT DESCRIPTION AND PROBABLE CONSEQUENCES@

I On 11 Dec 78, it was discovered there was no routine of.fgas sample taken for 10 Dec 78t

[QJl] p~W°t~_ii~~~~fi%~~~~-8lfA~li1~? for purpose of determining a daily long~lived to shor}-

~ I lived offgas activity ratio. Though the RCT was in communication with the shift in

((:ill 1the early AM, he was instructed not to sample until told by the Shift Engr. because

[}))] !both Unit's 2&3 were in routine startup. There were no abnormal releases. during the CII2J I period and the health and safety of the..public were not affected.

80 SYSTEM CAUSE CAUSE

• COMP. VALVE CODE CODE SUBCODE COMPONENT CODE SUB CODE SUBCODE

[Iill IMIB I@ ~@ *,.,.;1"'11@ I z1 z1 z1 z1 z1 z1@ L:J ~@

7 8 9 10 11 12 13 lB 19 20

~ LE R/RO CVI ENT YEAR SEQUENTIAL.

REPORT NO.

OCCURRENCE CODE REPORT w,

TYPE REVISION NO.

~ REPORT NUMBER 21 7I 81 22 23 I oJ 61 91 24 26 I/I 27

.1013**1 28 29 30 31 w

32 ACTION FUTURE EFFECT SHUTDOWN ~ ATTACHMENT NPRD-4 PRIME COMP. COMPONENT TAKEN ACTl<;J_~ . ON PLANT METHOD HOURS ~ SUBMITTED FORM ::>UB. SUPPLIER MANUFACTURER L!LJ@IGZJ@ *Ll.J@

33 34 35 Ul 36 37 01 01 01 0140 L!J@

• W@

41 42 13:.J@ I z1 9 I 9 I 91(§)

43 44 47 CAUSE DESCRIPTION AND CORRECTIVE ACTIONS. @

DJ}] jCause was incomplete relief between the midnight and morning shift. As a result, the I o=IIJ RCT and Shift Engr. relief both apparently forgot to sample for remainder of dqy./~ 1 1

8 9 so f:jQ\ METHOD OF DESCRIPTl~N @

FACILITY*

STATUS  % POWER OTHER STATUS \::::; DISCOVERY DISCOVERY .

8Il W@ I ol sl ol@ I. . . ._..;...;;NA.;;...*_ _ ___. LJJ@l Chemistos observation the following day: I 8 9 10 12 1'.l 44 45 46 - . *-~--- 80 ACTIVITY CONTENT * ~

RELEASED OF RELEASE A~OUNT OF ACTIVITY LOCATION OF RELEASE'@

[QTI W@ ~@).__I___N_A_*- - - - - NA s 9 10 . 11" 44 45 80 PERSONNEL EXPOSURES * ~

• NUMBER (.;::;\TYPE DESCRIPTION~ ~

0Zl I 0 I 0 I 0J0~@._I_ _* _____NA_ _ _ _ _ _ _=W-.,.....,...--~A~-------'

.. B 9 11 PERSONNEL INJURIES 12 13 f,;;\

i 80 NUMBER - DESCRIPTION~

[ili] I 0 I 0 I 0 l@._____.____N_A_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ ___.

8 9 11 12 LOSS OF OR DAMAGE TO FACI Li Ty TYPE DESCRIPTION G

• v::.:;J I 80

• ~8 Lzj(§)

9 * .

~10'.'"""""------~-------------------,;,_

NA _ _ _ _ _ _ _ _ _ _ _ _ _ _ __J 9

PUBLICITY r;/:\. o ISSUEDQ DESCRIPTION~ NRC USE ONLY

~ ~~ 1~0~~~~*~~~~D-.~R-...*.-.E-.~~-:.~:.~t-t~~~~~~~~~~~~~68 ~I I I II I I I I I l 8 J.~

815-:-94'2-2920 Ext 237 o .-

. -NAME OF PREPARER------~--~~------~ ... *PHONE:-------------"':~._ :k: