ML19209D193: Difference between revisions

From kanterella
Jump to navigation Jump to search
(Created page by program invented by StriderTol)
 
(Created page by program invented by StriderTol)
 
(One intermediate revision by the same user not shown)
Line 17: Line 17:


=Text=
=Text=
{{#Wiki_filter:NRC FORM.366 U. S. NUCLE AR REGULATORY COMMISSION (7J7)LICENSEE EVENT REPORT CONTROL BLOCK:
{{#Wiki_filter:NRC FORM.366                                                                                                                       U. S. NUCLE AR REGULATORY COMMISSION (7J7)
llllllh (PLEASE PAINT OR TYPE ALL REQUIRED INFoRMATION) 1 6l0 lil l V l A l N l A j S l1 lgl 0 l0 l- l 0 l0 l0 l0 l0 l- l0 l0 lgl4 l1 l1 l1 l1 lgl ljg 7 8 9 LICENSEE CODE 14 15 LICENSE NUMdER 23 26 UCENSE TYPE JO 57 CATbd CON'T ,g l t lg 0 l 5 l 0 l 0 l 0 l 3 l 3 l 8 l@l 0 l 9 l1 l8 l 7 l 9 l@i 1] nl 1 sl7lgl@R O i 7 8 60 61 DOCK ET NUYBER 6d 63 EVENT DATE 74 75 REPORT DATE 80 EVENT DESCPiPTION AND PROBABLE CONSEQUENCES h 1 n September 18, 1979, during Mode 1 operation, the containment sump flow integrator i 0 o 2 FTO-DA115 stopped totalizing flow and was declared inoperable. Since the containmentj g 3; atmosphere particulate and gaseous radioactivity monitoring systems remained operable i o , IO lsi I to detect RCS leakage, the public health and safety were not jeopardized. Reportable l pursuant to T.S. 6.9.1.9.b.
LICENSEE EVENT REPORT CONTROL BLOCK:
l0 g O 7li , o a i I 7 8 9 80 E CCE SUS E COYPONENT CODE SUSCODE S El C iI l@ lE l@ LB_J @ l I l N I S l T l R l U 18 LQJ@ LZ.J @
1 l    l    l    l  l 6
O 9 7 8 9 13 It 12 13 18 19 20'*_SE QUE N Tt al OCCURRENCE REPORT REVISION LE R 'RO E5 ENT YEAR REPORT NO.
lh                  (PLEASE PAINT OR TYPE ALL REQUIRED INFoRMATION) l0 lil l V l A l N l A j S l1 lgl 0 l0 l- l 0 l0 l0 l0 l0 l- l0 l0 14  15                      LICENSE NUMdER                  23 lgl4 26 l1 l1 l1 l1 lgl57 CATbd UCENSE TYPE JO l    jg 7         8 9             LICENSEE CODE CON'T 1 sl7lgl@
CODE TYPE N O.@ ayORr i 7191l-ll 1 l 211 l l/l 1013 l'LlJ I--L_.0J g ,__ 2 '22 23 24 26 27 23 29 30 33 32 Kf A N O PLANT T O HOURS S8 . ED FO A 8.SUPPLIER MANUFACTURER lC l@l Zi@
R O    i            ,g       l t lg 0 l 5 l 0 l 0 l 0 l 3 l 3 l 8 l@l 0 l 9 l1 l8 l 7 l 974 l@i                                               1] nl                     80 7           8                         60             61           DOCK ET NUYBER               6d   63     EVENT DATE                     75       REPORT DATE EVENT DESCPiPTION AND PROBABLE CONSEQUENCES h o    2      10n September 18, 1979, during Mode 1 operation, the containment sump flow integrator                                                                                 i g    3          FTO-DA115 stopped totalizing flow and was declared inoperable. Since the containmentj o    ,      ; atmosphere particulate and gaseous radioactivity monitoring systems remained operable i IO lsi I to detect RCS leakage, the public health and safety were not jeopardized. Reportable l 0    g          pursuant to T.S. 6.9.1.9.b.                                                                                                                                         l O   7      l                                                                                                                                                                    i o   a       i                                                                                                                                                                     I 7         8 9                                                                                                                                                                     80 E             CCE       SUS       E             COYPONENT CODE                   SUSCODE           S     E 7
l zl@Lz_j@0 10 Ul dll Y l@[N j@[ A j@lX19i9 9l@
O    9 8
33 34 Jb M 3/40 43 d?43 44 47 CAUSE DESCRIP' lON AND CORRECTIVE ACTIONS h i O IFTO-DA-ll5 was removed and reolaced with the totalimr from Unit 2_
l C iI 13l@ lE l@ LB_J @ l I l N I S l T l R l U 18 LQJ@
Tha defective l/,! otalizer was disassembled and a piece of rubber glove was found in the internals t i i 1preventino the rotor from turning. After the material was removed, the totalizer I ii 7 ifunctioned orocerly and was installed in Unit 2.
9                   It             12             13                           18           19 LZ.J 20
I i a li141 7 G 9 80 STA S* POV4 5 R OTHER STATUS Dis O RY DISCOVERY DESCRIPTION
_                                        SE QUE N Tt al                   OCCURRENCE           REPORT                       REVISION LE R 'RO         E5 ENT YEAR                           REPORT NO.                           CODE                 TYPE                         N O.
.[.E_j@ l 01 514l@l NAllAl@l Operator Observation i 5 EnviTY CO0 TENT
                @ ayORr   ,    g          i 7191              l-l          l 1 l 211 l             l/l         1013 l'               LlJ             I--         L_.0J
-"''***7 8'''" RELEASED OF RELE ASE AMOUNT OF ACTIVITY LOCATION OF RELEASE,[z_1@ LZJ@l NAllNAli 6 7 8 9 to 11 44 45'80 PERSONNEL EXPOSURES NUY9ER TYPE DESCRIPTION s 101010l@lZl@!
__ 2 '         22       23           24             26       27         23       29           30             33         32 Kf       A         N           O PLANT             T O                   HOURS           S8 . ED         FO A       8.       SUPPLIER           MANUFACTURER lC     l@l34 Zi@                   l zl@           Lz_j@             0 10       Ul dl      l Y l@           [N j@             [ A j@         lX19i9 9l@
NAli 7'''""''' PERSONNE L IN;u'R,ES NUMBER DESCRIP'lON (0 010l@l NAl2 a 7 8 9 11 12 80'fv!'E EC%1O' ? '^''"" @
33                                 Jb               M               3/                   40   43               d?                 43             44             47 CAUSE DESCRIP' lON AND CORRECTIVE ACTIONS h i   O       IFTO-DA-ll5 was removed and reolaced with the totalimr from Unit 2_                                                                     Tha defective               l
1115 036' " ^1.1l9I[zj@l NA 7 8 9 10 80 PUBLICITY DESCRnPTIO'. 45 et J NRC USE ONLY J*12101 l N I@l NA 1910190 3 i i i i-i iiiiiiil; lsSUED g 7 8 9 10 68 69 80 5*O  
                                                                                                              /                                                             ,
. . ..__ _ _ . _ _ . _ _ _ _- _ _ -., Virginia Electric and Power Company North Anna Power Station, Unit #1
i i        ! totalizer was disassembled and a piece of rubber glove was found in the internals ii      7      1preventino the rotor from turning. After the material was removed, the totalizer                                                                                     I i  a      ifunctioned orocerly and was installed in Unit 2.                                                                                                                     I li141 7         G 9                                                                                                                                                                   80 STA S                   * .POV4 5 R                   OTHER STATUS               Dis O RY                             DISCOVERY DESCRIPTION i    5      [.E_j@ l 01 514l@l                                   NA                        l    lAl@l**          Operator Observation 7          8 EnviTY CO0 TENT RELEASED OF RELE ASE                           AMOUNT OF ACTIVITY                                                     LOCATION OF RELEASE, i  6                                                NA                                  l          l          NA                                                              l 7        8 9
[z_1@ LZJ@l       to             11                                         44           45                                                         '             80 PERSONNEL EXPOSURES NUY9ER                   TYPE         DESCRIPTION s i 7 101010l@lZl@!"      ''         '
NA l
              ' PERSONNE L IN;u'R,ES NUMBER                   DESCRIP'lON 7
2  a 8 9 (0 010l@l           11       12 NA 80 l
                        ' " ^
              'fv!'E           EC%1O' ? '^''"" @                                                                                                     1115 036 1.1l9I[zj@l                                                   NA 7         8 9               10                                                                                                                                                 80 PUBLICITY DESCRnPTIO'. 45                                                                           et J g                                NRC USE ONLY
* 12101 l N I@l 7          8 9 lsSUED 10 NA                               1910190 J                                        368  69 i i i i-i iiiiiiil; 80 5
* O
 
Virginia Electric and Power Company North Anna Power Station, Unit #1                            


==Attachment:==
==Attachment:==
Page 1 of 1 Docket No. 50-338 Repo-t No. LER 79-121/03L-0 Description of Event On September 18, 1979, during steady state operatio.n at 54% power, the containment sump flow integrator FTO-DAll5 ceased to function and was declared inoperable. This event is contrary to T.S. 3.4.6.1.c.
Page 1 of 1 Docket No. 50-338 Repo-t No. LER 79-121/03L-0 Description of Event On September 18, 1979, during steady state operatio.n at 54% power, the containment sump flow integrator FTO-DAll5 ceased to function and was declared inoperable. This event is contrary to T.S. 3.4.6.1.c.
Probable Consequences of Occurrence The consequences of this event were minimal because the containment atmosphere particulate and gaseous radioactivity monitoring systems both remained operable to detect Reactor Coolant System leakage. As a result, the health and safety of the general public were not affected. There are no generic'imolications associated with this event, i Cause of Occurrence FTO-DA115 stopped totalizing flow because a: piece of a rubber glove was caught in the internals preventing the rotor from turning.
Probable Consequences of Occurrence The consequences of this event were minimal because the containment atmosphere particulate and gaseous radioactivity monitoring systems both remained operable to detect Reactor Coolant System leakage. As a result, the health and safety of the general public were not affected. There are no generic'imolications associated with this event, i
,, Immediate Corrective Action
Cause of Occurrence FTO-DA115 stopped totalizing flow because a: piece of a rubber glove was caught in the internals preventing the rotor from turning.                         ,,
'FTO-DA115 was replaced with Unit 2's totalizer.
Immediate Corrective Action FTO-DA115 was replaced with Unit 2's totalizer. The defective totalizer was disassembled and the piece of rubber glove was found. After the piece of glove was removed, the totalizer functioned properly and was installed in Unit 2.
The defective totalizer was disassembled and the piece of rubber glove was found. After the piece of glove was removed, the totalizer functioned properly and was installed in Unit 2.
Scheduled Corrective Action No scheduled corrective action is required.
Scheduled Corrective Action No scheduled corrective action is required.
l.Actions Taken to Prevent Recurrence
l   .
, , No further actions .tre required.
Actions Taken to Prevent Recurrence                         ,
2.-.%~1175 037}}
No further actions .tre required.
2
                                                                                            ~
1175 037}}

Latest revision as of 06:08, 2 February 2020

LER 79-121/03L-0:on 790918,containment Sump Flow Integrator FTO-DA115 Stopped Totalizing Flow & Was Declared Inoperable. Caused by Piece of Rubber Glove in Internals,Preventing Rotor from Turning.Matl Removed & Totalizer Returned to Svc
ML19209D193
Person / Time
Site: North Anna Dominion icon.png
Issue date: 10/18/1979
From: Cartwright W
VIRGINIA POWER (VIRGINIA ELECTRIC & POWER CO.)
To:
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML19209D187 List:
References
LER-79-121-03L, LER-79-121-3L, NUDOCS 7910190525
Download: ML19209D193 (2)
v • d • e


Text

NRC FORM.366 U. S. NUCLE AR REGULATORY COMMISSION (7J7)

LICENSEE EVENT REPORT CONTROL BLOCK:

1 l l l l l 6

lh (PLEASE PAINT OR TYPE ALL REQUIRED INFoRMATION) l0 lil l V l A l N l A j S l1 lgl 0 l0 l- l 0 l0 l0 l0 l0 l- l0 l0 14 15 LICENSE NUMdER 23 lgl4 26 l1 l1 l1 l1 lgl57 CATbd UCENSE TYPE JO l jg 7 8 9 LICENSEE CODE CON'T 1 sl7lgl@

R O i ,g l t lg 0 l 5 l 0 l 0 l 0 l 3 l 3 l 8 l@l 0 l 9 l1 l8 l 7 l 974 l@i 1] nl 80 7 8 60 61 DOCK ET NUYBER 6d 63 EVENT DATE 75 REPORT DATE EVENT DESCPiPTION AND PROBABLE CONSEQUENCES h o 2 10n September 18, 1979, during Mode 1 operation, the containment sump flow integrator i g 3 FTO-DA115 stopped totalizing flow and was declared inoperable. Since the containmentj o ,  ; atmosphere particulate and gaseous radioactivity monitoring systems remained operable i IO lsi I to detect RCS leakage, the public health and safety were not jeopardized. Reportable l 0 g pursuant to T.S. 6.9.1.9.b. l O 7 l i o a i I 7 8 9 80 E CCE SUS E COYPONENT CODE SUSCODE S E 7

O 9 8

l C iI 13l@ lE l@ LB_J @ l I l N I S l T l R l U 18 LQJ@

9 It 12 13 18 19 LZ.J 20

_ SE QUE N Tt al OCCURRENCE REPORT REVISION LE R 'RO E5 ENT YEAR REPORT NO. CODE TYPE N O.

@ ayORr , g i 7191 l-l l 1 l 211 l l/l 1013 l' LlJ I-- L_.0J

__ 2 ' 22 23 24 26 27 23 29 30 33 32 Kf A N O PLANT T O HOURS S8 . ED FO A 8. SUPPLIER MANUFACTURER lC l@l34 Zi@ l zl@ Lz_j@ 0 10 Ul dl l Y l@ [N j@ [ A j@ lX19i9 9l@

33 Jb M 3/ 40 43 d? 43 44 47 CAUSE DESCRIP' lON AND CORRECTIVE ACTIONS h i O IFTO-DA-ll5 was removed and reolaced with the totalimr from Unit 2_ Tha defective l

/ ,

i i  ! totalizer was disassembled and a piece of rubber glove was found in the internals ii 7 1preventino the rotor from turning. After the material was removed, the totalizer I i a ifunctioned orocerly and was installed in Unit 2. I li141 7 G 9 80 STA S * .POV4 5 R OTHER STATUS Dis O RY DISCOVERY DESCRIPTION i 5 [.E_j@ l 01 514l@l NA l lAl@l** Operator Observation 7 8 EnviTY CO0 TENT RELEASED OF RELE ASE AMOUNT OF ACTIVITY LOCATION OF RELEASE, i 6 NA l l NA l 7 8 9

[z_1@ LZJ@l to 11 44 45 ' 80 PERSONNEL EXPOSURES NUY9ER TYPE DESCRIPTION s i 7 101010l@lZl@!" '

NA l

' PERSONNE L IN;u'R,ES NUMBER DESCRIP'lON 7

2 a 8 9 (0 010l@l 11 12 NA 80 l

' " ^

'fv!'E EC%1O' ? '^"" @ 1115 036 1.1l9I[zj@l NA 7 8 9 10 80 PUBLICITY DESCRnPTIO'. 45 et J g NRC USE ONLY

  • 12101 l N I@l 7 8 9 lsSUED 10 NA 1910190 J 368 69 i i i i-i iiiiiiil; 80 5
  • O

Virginia Electric and Power Company North Anna Power Station, Unit #1

Attachment:

Page 1 of 1 Docket No. 50-338 Repo-t No. LER 79-121/03L-0 Description of Event On September 18, 1979, during steady state operatio.n at 54% power, the containment sump flow integrator FTO-DAll5 ceased to function and was declared inoperable. This event is contrary to T.S. 3.4.6.1.c.

Probable Consequences of Occurrence The consequences of this event were minimal because the containment atmosphere particulate and gaseous radioactivity monitoring systems both remained operable to detect Reactor Coolant System leakage. As a result, the health and safety of the general public were not affected. There are no generic'imolications associated with this event, i

Cause of Occurrence FTO-DA115 stopped totalizing flow because a: piece of a rubber glove was caught in the internals preventing the rotor from turning. ,,

Immediate Corrective Action FTO-DA115 was replaced with Unit 2's totalizer. The defective totalizer was disassembled and the piece of rubber glove was found. After the piece of glove was removed, the totalizer functioned properly and was installed in Unit 2.

Scheduled Corrective Action No scheduled corrective action is required.

l .

Actions Taken to Prevent Recurrence ,

No further actions .tre required.

2

~

1175 037

Retrieved from "https://kanterella.com/w/index.php?title=ML19209D193&oldid=2391174"