ML19308D072

RO-77-10:on 770204,low Range Overpressurization Protection Circuit Not Armed During Plant Cooldown.Caused by Procedure Used Not Containing Handwritten Temporary Change Re Arming Circuits.Personnel Cautioned to Cross Check W/Master Copy

ML19308D072
Person / Time
Site:	Crystal River
Issue date:	02/11/1977
From:	Stewart W FLORIDA POWER CORP.
To:
Shared Package
ML19308D069	List: ML19308D067 ML19308D072
References
NUDOCS 8002270571
Download: ML19308D072 (1)

Text

b LICENSEE EVENT REPO U

CONTROL 8 LOCK:l l l l l l l (PLEASE PldlNT ALL REQUlftED INFORMATION) 1 6 NA E LCENSE NUMBER .

PE TYPE 7 89 lFlLlClRlPl3l 14 l0l0l--l0l0l0l01 0l-l0l0l l4l1l1l .1. l 1l l0 l1 l-15 25 20

• 30 31 32 CATEGORY T SO DOCKET NUMBER EVENT DATE REPORT OATE O 1 CON'T l 0 l

• l 7 3 57 58 W 59 J60 l0 l5 l0 l_l 0 l 3l 0l 2l l0 l2 l0 l 4 l 7l 7l l0 l2 l1 l1l 7 l 7l 61 68 69 74 75 80 l

EVENT DESCRIPTION BE l During plant cooldown in Mode 5 (Cold Shutdown), it was discovered that the low l l 7 89 80

$l 7 89 range overpressurization protection circuit had not been armed. During cooldown, 80 l

! nn nroneurn ernnqinne.q hnd occurred. Ooerator action could have orovided re- l 7 89 .

80 DE I d undan cy. This is a first occurrence. Immediately armed circuit. l  ;

7 89 80

@l 7 89 (77-10) l pnue . 80 E C DE COMPONENT CODE suppl R M TUF R '

VOLATON EE l Il El W lNl 7 89 10 l I l N l S l Tl R l U l l Bl 014l 5l lN l 11 12 17 43 44 47 48 ,-

CAUSE DESCRIPTION DG l 'Ihe copy of the procedure in uso did not contain a hand written temporary change l 7 89 80 3E l concerning arming the circuit. Operators cautioned to cross check with Master l 89 80 l Copy of procedures before use of Working Copies. (Cont'd. - Additional Factors) l STA US  % POWER OTHER STATUS OSCOVERY DISCOVERY DESCRsPTON 7 8 9 W l0l0l 0l l 10 Mode 5 l lBl l N/A l 12 13 44 45 46 80 R LE SED AMOUNT OF ACTIVITV LoCATON OF RELEASE E

7 8 9 U OF UR L ASE l 10 11 N/A l 44 45 l l 80 PERSONNEL EXPOSURES NUMBER TYPE DESCRIPTON MI I 7 89 I I 11 Ul 12 13 N/A l 80 PERSONNEL INJURIES M;MBER DESCRWTON Hll I I I N/A l 7 89 11 12 80 OFFSITE CONSEQUENCES 3l 7 89 N/A l

80 LOSS OR DAMAGE TO FACILITY H l N/A l 7 89 10 80 PUBLICITY DE I N/A l

7 89 80 ADOITIONAL FACTORS 8l Control Center Working Copy File audited to preclude recurrence. l

/ 89 80 gg l 8002 270 U/ i NAME: W. P. Stewart /6.kO,h4 PHONE: (

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