ML19319D151

RO 77-4:on 770101,during Cycling Demonstration of Normally Untestable valves,DHV-42 Control Switch Opened,Permitting Flow Path from RCS to Reactor Bldg Sump.Caused by Operator Negligence.Valve Closed & Caution Note Added to Procedure

ML19319D151
Person / Time
Site:	Crystal River
Issue date:	01/24/1977
From:	Stewart W FLORIDA POWER CORP.
To:
Shared Package
ML19319D147	List: ML19319D146 ML19319D151
References
NUDOCS 8003130718
Download: ML19319D151 (1)

Text

-- -

LICENSEE EVENT REPORT CONTROL BLOCK:l l l l l l l (PLEASE FCINT ALL RE!UI'!ED INFORMATION) l 1 6

,=c =

01'lT*lLlClRlPl3l

. . ,, - E.

v::

7 89 14 l0 15 l 0 l-l 0l 0l 0l0 l0 l-l 0 l 0 l l4 l1 l1 l 1l1 l l0 l1l 25 26 30 31 32 C A TEGOAV rp bov COCuti NuvetA EVENT CATF

@ CON T l 0 l 0 l 7 8 57 58 W y l0 l 5 l 0l-l 0l 3l 0l-2l l0 l1l 0l 1l 7l 7l l0 l1 l 2 l 4 l 7l 7l AEPOAT oATE

$9 GO 61 68 69 74 76 80 EVENT DESCR:PTION 35 l During Cycling Demonstration of Normally Untestable Valves (SP-410), the control l 7 89

! 80

@l switch for DilV-42 was placed in OPEN position permitting a flow path from the l 7 89 0 80 7 89 l Peactor Coolant Sv9 ten to Reactor Buildine Suno. Valve was closed unen discoverv.  !

na l 80 7 89 I gl (77-4) 80 7 89 l E c00[ ' c0MPONENT cooE SU R MbN C A VOLAtoN 7

O l C]F l W 89 10 11 l Vl AlL ]V l E l X]

12 l Al l Al 2l0 l0 l W 17 43 44 47 48 CAUSE DESCRIPTION Oe l The Operator performing the procedure failed to follow it as written. Operators 7 89 l EE l cautioned using this as example. Also, added caution note in procedure. 80 7 89 l to l 80 l

's'rEuS s powen orsta status o!sEcAv 7 8 1

9 d l 0l0 l0 l l 10 12 13 Mode 5 44 l d45 oiscovtav otsCA: pics (Increase in R.B. Sump Level l 46 80 Ett Eo OF E SE AMOUNT OF ACTMTV

8 l' I I 1.I N/A- 'l l

.oCATON CF AELEASE 7 ,8 9 10 11 44 45 l,

PERSONNEL EXPOSURES 80 '

NVVBEA TYPE . CESCAiPTON 8I I 7 89 I I-LJ 11 12 l

13 N/A l ,

80 PER g gELINJ{Rg MII 7 89 I II N/A 11 12 l 80 OFFSITE CONSEQUENCES gl N/A 7 89 l LOSS OR DAMAGE TO FACILITY

'TYPt 1

7 89 U lCESCA'pTON 10 N/A l

PUBLtCITY 80 M ~l N/A 7 89' l 80 ADDITIONAL FACTORS 10 l M/A 7 89 l

^ eO

8 I 17 89 8003130N [ j eO v-

, ,. NAME: W. P.~ ' St ew1rt \L)' PHONE:M 866.4151