ML19317G192: Difference between revisions
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[ r CONTROL r OCK:l l l l l l l (PLEA 7E PRINT ALL REQUIRED INFCRMAT;r. | |||
' | |||
, | |||
1 6 | |||
; - | |||
. . ""'"J' NA ucENSE ~uoeER | |||
- | |||
. '***!' '7',"E | |||
' - | |||
9 l F l L l Cl R l P l 3 l l 0 l 0 l-l 0 l 0 l 0 l 0 l 0 l-l 0 l 0 l l 4 l 1 li l1 l1 l l0 l3l ' | |||
. 14 15 . | |||
25 26 30 31 32 CATEcoRv "'7PE T $$RE CCCx!T NUMBER EVENT DATE REPCRT CATE O 1 CON T l -l -l l Ll l Ll l 0 l 5 l 0 l --l 0 l 3 l 0 l 2 l l0 l7 l1l2 l7 l 7l l 0 l 8 l 0 l 8 l 7 l 7. | |||
7 8 57 58 59 60 61 68 69 74 75 EVENT DESCRIPTION O l In mode 1 operation, Unit #3 was notified that Units 1 & 2 batteries had failed to meht 7 89 . | |||
c3 l the acceptance criteria of SP-511, contrary to Tech Specs 3.8.1.1.a. | |||
. | |||
Redundancy was main-7 89 04 l tained with the emergency geaerators. First time occurrence. The SP was re-run and tile y f batteries were declared operable within 4 hours. | |||
7 | |||
,g - | |||
<tER 77-863 e 7 89 PauE | |||
- | |||
E CCE COMPONENT CCCE SUPPUER 7tMR VCLADON - | |||
'' | |||
@ lE l A l lFl lB lA lT lT lR lY l [{d l E l 3 l5 l5 ! lNl _ . , , | |||
7 89 10 11 12 17 43 44 47 48 | |||
* | |||
* CAUSE DESCRIPTION s Oe lThe previous quarterly specific gravity rsadings were recorded prior to the batteries " I | |||
'7 8'9 E . .~, | |||
Os l stabilizing after an electrolyte addition. The specific gravity of any cell was not belew _, | |||
~~ '7 8 'S ,, | |||
' | |||
,,y_l the Tech Spec requirement of 1.20. | |||
6 FacuTv METuco cp ST&TUS - % POWER oTHER STATUS CISCOVE.RY | |||
- | |||
OtSCOVERY DESCRtPTION - - - | |||
v | |||
).W 9 10 l1l0l0l. 12 13 l NA - | |||
44 l d45 .l48 NA e. | |||
ACTMTV CCATENT | |||
- | |||
- AELIASED~ cF RELEASE AMOUNT CF ACTMTY - | |||
- LOCATCN CF RELEASE ~~ ~- | |||
12 1zl LrJ l NA I I Ni 7 8 9 10 11 44 45 EC PEDSONNEL EXPOSURES | |||
- | |||
NUMBER TYPE DESCMTCN ~ | |||
- | |||
- "A .._~ | |||
.' liUI .P P P l ._LzJ | |||
' | |||
l 7 89 11 12 13 EC | |||
* PERSONNEL INJURIES - | |||
NUMBER CESCRIPTCN 14 8'9 l0l0!0l l NA' 7 11' 12 BC OFFSITE CONSECUENCES . | |||
gl NA - - - | |||
' | |||
~ 7 89 . SC LOSS OR DAMAGE TO FACIUTY TYPE CESCRPTON | |||
* 5.0 . .l | |||
~~ | |||
[ | |||
NA 7 89 10 c; PUBUCITY ' | |||
._7 $89l . i; ADDITIONAL FACTORS | |||
~ | |||
19 l 9 | |||
- | |||
0'2 280 [ 3 7 g i | |||
l SEE A1TACHED SUPPLEMENTARY INFORMATION ' | |||
7 89 W. P. Stewart ( i \Q | |||
, | |||
! - NAME*. \ PHONE: 813/866-4159 | |||
, | |||
ww . . . . . . | |||
cro ens.ssT | |||
.-. ._ . . . . _ . | |||
... | |||
__ | |||
- . | |||
e o | |||
- - | |||
. . | |||
- | |||
SUPPLEMENTARY INFORMATION | |||
, | |||
: 1. Report No.: 50-302/77-86 . | |||
: 2. Facility: Crystal River Unit #3 | |||
: 3. Report Date: 8 August 1977 | |||
: 4. Occurrence Date: 12 July 1977 | |||
: 5. Identificatica of Occurrence: | |||
Failure to have two independent circuits between the offsite transmission network and the onsite class 1E distribution system contrary to Technical Specification 3.8.1.1.a. | |||
: 6. Conditions Prior to Occurrence: | |||
Mode 1 power operation. | |||
* | |||
: 7. Description of Occurrence: f At 1110, Unit #3 was notified that the Units 1 & 2 batteries had not met the acceptance 5' criteria of the Quarterly Battery Check, Surveillance Procedure SP-511. The Units 1 & 2 batteries had exceeded the .01 drop in the specific gravity from the previo ts quartkr's surveillance. A start of the emergency diesels was made to verify opera-bility. The batteries were determined to be operable as the specifi:: gravity was greater than the Technical Specification requirement of 1.20. | |||
: 8. Designation of Apparent Cause: | |||
The greater than .01 drop in the specific gravity was due to the previous quarter's readings being recorded before the batteries had stabilized after an electrolyte addition. | |||
: 9. Analysis of Occurrence: | |||
There was no safety hazards to the plant or public as the batteries were functional at all times, and the emergency diesels were operable, and available. | |||
: 10. Corrective Action: | |||
None required as the batteries were well within all Tech Spec requirements. | |||
: 11. Failure Data: | |||
This was tha first occurrence of the specific gravity dropping more than the .01 limit. | |||
l N | |||
4 | |||
+- == | |||
_ - -_,r. . - - - - - - - , - . | |||
,,,.,yv.,,--e-e,-.-,-y-y.m--9---y-,-. p. ~-y , . - - - .7,--, , ., ,-,a ,- <c e- se}} |
Revision as of 07:51, 14 December 2019
ML19317G192 | |
Person / Time | |
---|---|
Site: | Crystal River |
Issue date: | 08/08/1977 |
From: | Stewart W FLORIDA POWER CORP. |
To: | |
Shared Package | |
ML19317G191 | List: |
References | |
NUDOCS 8002280834 | |
Download: ML19317G192 (2) | |
Text
l
[ r CONTROL r OCK:l l l l l l l (PLEA 7E PRINT ALL REQUIRED INFCRMAT;r.
'
,
1 6
- -
. . ""'"J' NA ucENSE ~uoeER
-
. '***!' '7',"E
' -
9 l F l L l Cl R l P l 3 l l 0 l 0 l-l 0 l 0 l 0 l 0 l 0 l-l 0 l 0 l l 4 l 1 li l1 l1 l l0 l3l '
. 14 15 .
25 26 30 31 32 CATEcoRv "'7PE T $$RE CCCx!T NUMBER EVENT DATE REPCRT CATE O 1 CON T l -l -l l Ll l Ll l 0 l 5 l 0 l --l 0 l 3 l 0 l 2 l l0 l7 l1l2 l7 l 7l l 0 l 8 l 0 l 8 l 7 l 7.
7 8 57 58 59 60 61 68 69 74 75 EVENT DESCRIPTION O l In mode 1 operation, Unit #3 was notified that Units 1 & 2 batteries had failed to meht 7 89 .
c3 l the acceptance criteria of SP-511, contrary to Tech Specs 3.8.1.1.a.
.
Redundancy was main-7 89 04 l tained with the emergency geaerators. First time occurrence. The SP was re-run and tile y f batteries were declared operable within 4 hours4.62963e-5 days <br />0.00111 hours <br />6.613757e-6 weeks <br />1.522e-6 months <br />.
7
,g -
<tER 77-863 e 7 89 PauE
-
E CCE COMPONENT CCCE SUPPUER 7tMR VCLADON -
@ lE l A l lFl lB lA lT lT lR lY l [{d l E l 3 l5 l5 ! lNl _ . , ,
7 89 10 11 12 17 43 44 47 48
- CAUSE DESCRIPTION s Oe lThe previous quarterly specific gravity rsadings were recorded prior to the batteries " I
'7 8'9 E . .~,
Os l stabilizing after an electrolyte addition. The specific gravity of any cell was not belew _,
~~ '7 8 'S ,,
'
,,y_l the Tech Spec requirement of 1.20.
6 FacuTv METuco cp ST&TUS - % POWER oTHER STATUS CISCOVE.RY
-
OtSCOVERY DESCRtPTION - - -
v
).W 9 10 l1l0l0l. 12 13 l NA -
44 l d45 .l48 NA e.
ACTMTV CCATENT
-
- AELIASED~ cF RELEASE AMOUNT CF ACTMTY -
- LOCATCN CF RELEASE ~~ ~-
12 1zl LrJ l NA I I Ni 7 8 9 10 11 44 45 EC PEDSONNEL EXPOSURES
-
NUMBER TYPE DESCMTCN ~
-
- "A .._~
.' liUI .P P P l ._LzJ
'
l 7 89 11 12 13 EC
- PERSONNEL INJURIES -
NUMBER CESCRIPTCN 14 8'9 l0l0!0l l NA' 7 11' 12 BC OFFSITE CONSECUENCES .
gl NA - - -
'
~ 7 89 . SC LOSS OR DAMAGE TO FACIUTY TYPE CESCRPTON
- 5.0 . .l
~~
[
NA 7 89 10 c; PUBUCITY '
._7 $89l . i; ADDITIONAL FACTORS
~
19 l 9
-
0'2 280 [ 3 7 g i
l SEE A1TACHED SUPPLEMENTARY INFORMATION '
7 89 W. P. Stewart ( i \Q
,
! - NAME*. \ PHONE: 813/866-4159
,
ww . . . . . .
cro ens.ssT
.-. ._ . . . . _ .
...
__
- .
e o
- -
. .
-
SUPPLEMENTARY INFORMATION
,
- 1. Report No.: 50-302/77-86 .
- 2. Facility: Crystal River Unit #3
- 3. Report Date: 8 August 1977
- 4. Occurrence Date: 12 July 1977
- 5. Identificatica of Occurrence:
Failure to have two independent circuits between the offsite transmission network and the onsite class 1E distribution system contrary to Technical Specification 3.8.1.1.a.
- 6. Conditions Prior to Occurrence:
Mode 1 power operation.
- 7. Description of Occurrence: f At 1110, Unit #3 was notified that the Units 1 & 2 batteries had not met the acceptance 5' criteria of the Quarterly Battery Check, Surveillance Procedure SP-511. The Units 1 & 2 batteries had exceeded the .01 drop in the specific gravity from the previo ts quartkr's surveillance. A start of the emergency diesels was made to verify opera-bility. The batteries were determined to be operable as the specifi:: gravity was greater than the Technical Specification requirement of 1.20.
- 8. Designation of Apparent Cause:
The greater than .01 drop in the specific gravity was due to the previous quarter's readings being recorded before the batteries had stabilized after an electrolyte addition.
- 9. Analysis of Occurrence:
There was no safety hazards to the plant or public as the batteries were functional at all times, and the emergency diesels were operable, and available.
- 10. Corrective Action:
None required as the batteries were well within all Tech Spec requirements.
- 11. Failure Data:
This was tha first occurrence of the specific gravity dropping more than the .01 limit.
l N
4
+- ==
_ - -_,r. . - - - - - - - , - .
,,,.,yv.,,--e-e,-.-,-y-y.m--9---y-,-. p. ~-y , . - - - .7,--, , ., ,-,a ,- <c e- se