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M'~ | |||
il "k49 jd MISSISSIPPI POWER & LIGHT COMPANY | |||
) : | |||
f Helping Build Mississippi ur.e.;r+2Ard.a=w! P. O . 8 O X 16 4 O . J A C K S O N . MiSSISSIPP139205 l | |||
NUCLEAR PROCL'CTioN DEPARTMENT August 1, 1980 Office of Inspection & Enforcement U. S. Puclear Regulatory Commission Ret,im 17 101 Maria.ita Street, N.W. - Mb OQd Suita 310') | |||
Atlanta, Georgia 30303 ms D000MEtlT CONTAINS Attention: Mr. J. P. O'Reilly, Director . POOR QUAUTY PAGES | |||
==Dear Mr. O'Reilly:== | |||
==SUBJECT:== | |||
Grand Gulf Nuclear Station Units 1 and 2 Docket Nos. 50-416/417 PRD-80/25, 10CFR21 Report, Defective C3-12 Switches AECM-80/173 | |||
==References:== | |||
: 1) AECM-80/128, 6/12/80 | |||
: 2) AECM-80/152, 7/12/80 s | |||
on July 10, 1980, Mississipp! Power & Light Company sent your office a final report under 10CFR50.55(e) of a deficiency concerning GE Type SB-12 switches. We have since determined that this defi-ciency is applicable to 10CFR21. A supplem.=ntal report containing additional information to the report previously filed under 10CFR50. | |||
55(e) is attached. | |||
Yours truly, W | |||
J. P. McGaughy, Jr. | |||
k Assistant Vice President, Nuclear Production WDH:mt Attachment cc: Mr. N. L. Stampley Mr. Victor Stello, Direct Mr. R. B. McGehee Division of Inspection & Enforcement Mr. T. B. Conner U. S. Nuclear Regulatory Commission Washinrcon, D.C. 20555 8008140 h { ] Member Middle South Utilities System | |||
-.. . . --. .~ - . . . _ | |||
._;_ . . - - | |||
. 10 CFR FteT 21 ILEFORT | |||
' l. Idintifiestion of individual (s) informing the 1.RC: | |||
.Name(s): | |||
T. E. Reaves Telephone call to Virgil Brownlee, NRC, Region II 8/1/80. | |||
Address: Mississippi Power & Light Company. P. O. Box 16/.0. Jackson MS 39205 , | |||
: 2. Identification of entity failing to comply or containing a defect (check appropriate blocks): | |||
CRA!3D CULT hTC'.1Ut STATICN | |||
-Unit 1 Unit 2 C Other (Specify) - | |||
: 3. suppliers -General Electric Switchgear Divisien Burlington, Iowa 4 Nature of the defect or f ailure to comply and the safety hazard which is created er could be created by such defect or failure to comply: | |||
See paragraph I & II of Attachment A to MP&L letter AECM-80/152 (attached) , | |||
: 5. Date information nbtained for this rerort: 8/1/SO | |||
: 6. Additional infor: nation for defective coe;onents incer; crated in other facilities, as applicables Number in use, supplied far. | |||
Fac111tv/Locatien dr belne supplied (Not known to MP&L) | |||
~. | |||
;. corteettre Action: See paragraph III of Attachment A to AICI-80/152 (attached) | |||
Responsibility: Mississiao! 7 ewe- & tit?.! Na tit, assurs ce fection (Name of individual or or;ani:stien) | |||
Tine negutted to cceptete Letten: Began 11/11/79: 'Comelete at close of >! CAR-GGNS ASC (esti= ate 9/S0) | |||
: 9. Advice related to the defect or f ailure to curly akout the f ac1* *ty. .attivit?. er basic cerrecent that has teen. is teing, er will be given to ;wrchazars c 11censees: . | |||
SRC II Circular No. 79-17 was issued 3/11/79. Also. GI. Installatier and Eervice En:;ineering Divistun forwarded Ser.* ice Advice SF?(073F No. 330.1~ | |||
to 3echtel Pever Cor:cratien. AE fer GONS. On IlliISO. | |||
~ | |||
FISSISSIPPI PCT.G & LIGHT CGGY I Pw cCIALLY FIPCRI;GI.I EEFICIDK'Y (FTO) PPD = 80/26 I 4 | |||
I. DESCRIPTIQ:: (Include nonconfor.2nce dccm.t) | |||
See Faragraph I, QA For: 16.20(A), Rev. 3, attached. | |||
II. DIT. E3MI2G. TION OF uru.T Q1 SAFE OPERATIGJ OR SUPSTANTIAL STEEIY HEARD: | |||
C - | |||
N See Paragraph II, QA Form 16.20(A), Rev. 3, attached 3 Could have adversely affected the safe operation of the. plant or is a substantial safety hazard. | |||
8 Unable to detemine within one working day of receipt m | |||
7a Signature _ _Date Organization | |||
~ | |||
w III. E52fATION OF POTENTIAL REPORTIGILITY: | |||
o Not Reportable e | |||
@ Reportable w - | |||
2 Potentially Reportable 5 | |||
O or Unable to De*2 mine N | |||
d Signature Date O m1ity Assurance g See Paragraph II, CA Form 16.20(A), Rev. 3. attached s2 IV. NJf!FICATIQ4 'IO NRC: | |||
c E Persan Notified: H s Notification 5 - | |||
Was Made: | |||
e A Notified By: Date: | |||
y See Paragraph III, QA Form 16.20(A), Rev. 3, attached T V. E5JEATIG; OF Fe?rcASILITY: Reportable Under 10CFR50.55 (e) 5 10 3 21 1CCFR21 Use Only-Seador Vice Pre.s dent VI. PICFIPT OF Ih~~O.R!ATION: Date Tire Sig.ature Date Signature VII. PZPORT 'IO NRC: | |||
Due Date, 6/11/80 7/10/80 Sutrcittal Date 6/12/80 7/10/80 Intter !?rber AEOi-80/12S AEDi-80/152 Sill. CORTIIVE ACIION VERIFICATICN: | |||
MISSISSI??I ?OWER & LIGHT CCMPANY | |||
?RD 80/ | |||
?0TENTIALLY ?I?ORTA3LE DEFICIENCY (?RD) NUM3ER 26 | |||
.. ,v-ak. | |||
r e n r_= e~,aL L'v es As a result of investigation based on IE Circular 79/17, Eechtel has 12 identified eight (8) switchgear units containing defective S3-12 switches. | |||
'' r ach switchgear is furnished with two (2) SB-12 switches. The switches Us contain an inter =ittent contact proble uhich will cause a lack of continuity through the contact of the switch used to energize the trip , | |||
- coil of the circuit breaker. The switchgear units are used in the 6.9 KV system used for controlling the recirculating pu=ps. | |||
] | |||
m 5 | |||
e | |||
.I | |||
% kcX101.W | |||
-. Initiated By: T. E. Reaves, Jr. Organization: MP&L Date:5/12/80 u | |||
II. EVALUATION OF POTENTIAL ?2?ORTA3ILITY: | |||
Rationale: Concurrence: | |||
The potential exists that, should the Yes so Inifia} Date condition re=ain uncorrected, it could Manager QA X _!LL6cK 5// /30 adversely affect the safety of operations of the Nuclear Power Plant. Project Mgr. f sg afs? | |||
4 [4 ' g//>/Jo | |||
< / | |||
See Attachment "A" + Dir. of ?wr Prod. | |||
ff. | |||
e | |||
_ III. NOTIFICATION TO NRC: Person Notifie : M. Hunt How Notification 'a'as e Made: Telephone 3 | |||
w l. | |||
A y Notified By: ,. Racey Date: 5/12/80 h IV. EVALUATION OF REPORTIBILITY: | |||
* Sationale: Concurrence: | |||
m v Ye s _N_o Initial Da te 4 | |||
p, Manager QA __ | |||
e w | |||
4 Project Mgr. -- | |||
5 - | |||
5 Dir. of ?v 2 rod. __ | |||
V. RE? ORT TO NRC: | |||
6/11/80 Due Date: | |||
Submitted Date: | |||
Letter Nu=ber . | |||
V!. CCRRECTIVE ACTION VI.RIFICATICN: | |||
Sy. Date: | |||
+ Required should agree =ent not be reached between Mgr QA and ?roject Mgr. | |||
Attachment "A" to PPO 80/26 l | |||
I The use of S3-12 switches in this particular application would have no adverse impact on plant safety since they are used in non-safety related. .- | |||
~ | |||
switch gear. Therefore, this specific-deficiency is not re,aertable under 10 CFR 50.55(e) . However, since adverse impact may restit from other appli-cations, as yet unknown, this deficiency is considered to be potentially-reportable and requires evaluation of its generic implications, if any, O | |||
i | |||
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/ | |||
7 {s l ~ | |||
l /- DuSs. | |||
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. side i | |||
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. . ~ . , - - - _ - , . _ . - - - .----- . - _- . , _ . - - - , , _ , ~ . . - - _ _ . _ . - _ . . - . . . - , ,, . - | |||
- ~ , . . | |||
( | |||
L/0 .c.6 E | |||
j lj Q.h NiiSSISSIPPI | |||
;,f-Wi@ | |||
W r: i re W POWER & LIGHT q (( | |||
COMPANY' 7 | |||
Helping Build Mississippi NN$ P. O. B O X 16 4 0. J A C K S O N. MISSISSIPPI 39205 uu team:cu:no.senAmerc ' | |||
July 10, 19SO Office of Inspection & Enforcement U. S. Nuclear Regulatory Cc==ission Regica II 101 Marietta Street, N.W. . | |||
Suite 3100 ' | |||
Atlanta, Georgia 30303 Attention: Mr. J. P. O'Reilly, Directer | |||
==Dear Mr. O'Reilly:== | |||
SU3 JECT: Grand Gulf Nuclear Statica Units 1 and 2 Docket Nos.. 50-416/417 File 0260/15525/15526 PRD-SO/26, Final Repert, Defective 53-12 S. itches (Ref.: AECM-SO/ | |||
128, June 12, 1550) | |||
AICM-80/132 On May 12, 19S0, Mississippi Pcwer & Light Cc pany notified Mr. M. Eunt of your of fica'of a Pctentiall/ Reportable Deficiency (PRD) at the Grand Gulf Su:lrar Station (GGNS) constructica site. | |||
Tne deficiency concerns CE Ty .e S3-12 switches. | |||
We have since determined this deficiency to be reportable with-in the caning of ICCrit50.55(e). Details are described in the at-tached final report. We are evaluating the applicability of 10C?R21 and will subnit a report upon cenpletion. | |||
Ycurs truly, 1 | |||
Of / | |||
F | |||
&&s fpp- J. P. McGaughy, Jr. | |||
Assistant '' ice President , | |||
Nuclear Production ATR:nt Attach ent cc: Mr. N. L. Stanplay Mr. Victor Stello, Director Mr. R. B. !!cGehee Divicion of Inspecticn & Enforcement Mr. T. B. Conner U. S. I;uclear Regula tory Co-rission Washington, D.C. 20555 bec: Dr. D. C. Gibbs Mr. J. P. McGaughy Mr. J. U. Yelverten Mr. T. H. Clonincer Mr. L. F. Dale Mr. 7. . A. Anbrosine M r . J . N . Wa rd Mr. C. K. McCoy Mr. A. Zaccaria Mr. C. L. Tyrone Mr. E. L. Nail PRD Fi!( | |||
Dape- Sep717m3&o - | |||
o* - | |||
- Attcch c A to AIOI-50/152 Tage 1 ( l FINAL REPOAT, ?RD-80/26 | |||
: 1. Descriotion cf Deficiener Defective S3-12 switches identified in IE Circular 79-17 vere found to be installed in switchgear supplied by tha vendor. | |||
~he defect is an inter =ittent contact prcble: which will cause lack cf centinuity through the "n" contact'of the switch that is used to enargize the trip ceil of the circuit breaker. | |||
II. Safetv inolications . | |||
The 53-12 switches are used in the circuit breakcrs of the 6.9 l'V switchge t units which control the reactor recirculation pu ps. The safety ft_nction cf the breaker is to . trip on a signal frc: the Reacter Protection System. The pcstulated failure of the S;-12 switch would prevent the e:iergining of the trip coil thereby preventing the breaker frc: fulfilling its intended safety functien. | |||
III. Cerrective Action Taken The vendor will furnish new S3-12 rwitches to correct the condi-tion and preclude recurrence, i | |||
i | |||
~ | |||
t j | |||
l DUPLICATE DOCUMENT I | |||
f i Entire document previously ,5 g DS 8567/7040% l entered into system under: j ANO o7[7 h Oh > | |||
f No. of pages: j | |||
-.-}} |
Revision as of 17:42, 31 January 2020
ML19331C330 | |
Person / Time | |
---|---|
Site: | Grand Gulf ![]() |
Issue date: | 08/01/1980 |
From: | Mcgaughy J MISSISSIPPI POWER & LIGHT CO. |
To: | |
References | |
REF-PT21-80-266-000 AECM-80-173, NUDOCS 8008140565 | |
Download: ML19331C330 (5) | |
Text
,
M'~
il "k49 jd MISSISSIPPI POWER & LIGHT COMPANY
) :
f Helping Build Mississippi ur.e.;r+2Ard.a=w! P. O . 8 O X 16 4 O . J A C K S O N . MiSSISSIPP139205 l
NUCLEAR PROCL'CTioN DEPARTMENT August 1, 1980 Office of Inspection & Enforcement U. S. Puclear Regulatory Commission Ret,im 17 101 Maria.ita Street, N.W. - Mb OQd Suita 310')
Atlanta, Georgia 30303 ms D000MEtlT CONTAINS Attention: Mr. J. P. O'Reilly, Director . POOR QUAUTY PAGES
Dear Mr. O'Reilly:
SUBJECT:
Grand Gulf Nuclear Station Units 1 and 2 Docket Nos. 50-416/417 PRD-80/25, 10CFR21 Report, Defective C3-12 Switches AECM-80/173
References:
- 1) AECM-80/128, 6/12/80
- 2) AECM-80/152, 7/12/80 s
on July 10, 1980, Mississipp! Power & Light Company sent your office a final report under 10CFR50.55(e) of a deficiency concerning GE Type SB-12 switches. We have since determined that this defi-ciency is applicable to 10CFR21. A supplem.=ntal report containing additional information to the report previously filed under 10CFR50.
55(e) is attached.
Yours truly, W
J. P. McGaughy, Jr.
k Assistant Vice President, Nuclear Production WDH:mt Attachment cc: Mr. N. L. Stampley Mr. Victor Stello, Direct Mr. R. B. McGehee Division of Inspection & Enforcement Mr. T. B. Conner U. S. Nuclear Regulatory Commission Washinrcon, D.C. 20555 8008140 h { ] Member Middle South Utilities System
-.. . . --. .~ - . . . _
._;_ . . - -
. 10 CFR FteT 21 ILEFORT
' l. Idintifiestion of individual (s) informing the 1.RC:
.Name(s):
T. E. Reaves Telephone call to Virgil Brownlee, NRC, Region II 8/1/80.
Address: Mississippi Power & Light Company. P. O. Box 16/.0. Jackson MS 39205 ,
- 2. Identification of entity failing to comply or containing a defect (check appropriate blocks):
CRA!3D CULT hTC'.1Ut STATICN
-Unit 1 Unit 2 C Other (Specify) -
- 3. suppliers -General Electric Switchgear Divisien Burlington, Iowa 4 Nature of the defect or f ailure to comply and the safety hazard which is created er could be created by such defect or failure to comply:
See paragraph I & II of Attachment A to MP&L letter AECM-80/152 (attached) ,
- 5. Date information nbtained for this rerort: 8/1/SO
- 6. Additional infor: nation for defective coe;onents incer; crated in other facilities, as applicables Number in use, supplied far.
Fac111tv/Locatien dr belne supplied (Not known to MP&L)
~.
- . corteettre Action
- See paragraph III of Attachment A to AICI-80/152 (attached)
Responsibility: Mississiao! 7 ewe- & tit?.! Na tit, assurs ce fection (Name of individual or or;ani:stien)
Tine negutted to cceptete Letten: Began 11/11/79: 'Comelete at close of >! CAR-GGNS ASC (esti= ate 9/S0)
- 9. Advice related to the defect or f ailure to curly akout the f ac1* *ty. .attivit?. er basic cerrecent that has teen. is teing, er will be given to ;wrchazars c 11censees: .
SRC II Circular No. 79-17 was issued 3/11/79. Also. GI. Installatier and Eervice En:;ineering Divistun forwarded Ser.* ice Advice SF?(073F No. 330.1~
to 3echtel Pever Cor:cratien. AE fer GONS. On IlliISO.
~
FISSISSIPPI PCT.G & LIGHT CGGY I Pw cCIALLY FIPCRI;GI.I EEFICIDK'Y (FTO) PPD = 80/26 I 4
I. DESCRIPTIQ:: (Include nonconfor.2nce dccm.t)
See Faragraph I, QA For: 16.20(A), Rev. 3, attached.
II. DIT. E3MI2G. TION OF uru.T Q1 SAFE OPERATIGJ OR SUPSTANTIAL STEEIY HEARD:
C -
N See Paragraph II, QA Form 16.20(A), Rev. 3, attached 3 Could have adversely affected the safe operation of the. plant or is a substantial safety hazard.
8 Unable to detemine within one working day of receipt m
7a Signature _ _Date Organization
~
w III. E52fATION OF POTENTIAL REPORTIGILITY:
o Not Reportable e
@ Reportable w -
2 Potentially Reportable 5
O or Unable to De*2 mine N
d Signature Date O m1ity Assurance g See Paragraph II, CA Form 16.20(A), Rev. 3. attached s2 IV. NJf!FICATIQ4 'IO NRC:
c E Persan Notified: H s Notification 5 -
Was Made:
e A Notified By: Date:
y See Paragraph III, QA Form 16.20(A), Rev. 3, attached T V. E5JEATIG; OF Fe?rcASILITY: Reportable Under 10CFR50.55 (e) 5 10 3 21 1CCFR21 Use Only-Seador Vice Pre.s dent VI. PICFIPT OF Ih~~O.R!ATION: Date Tire Sig.ature Date Signature VII. PZPORT 'IO NRC:
Due Date, 6/11/80 7/10/80 Sutrcittal Date 6/12/80 7/10/80 Intter !?rber AEOi-80/12S AEDi-80/152 Sill. CORTIIVE ACIION VERIFICATICN:
MISSISSI??I ?OWER & LIGHT CCMPANY
?RD 80/
?0TENTIALLY ?I?ORTA3LE DEFICIENCY (?RD) NUM3ER 26
.. ,v-ak.
r e n r_= e~,aL L'v es As a result of investigation based on IE Circular 79/17, Eechtel has 12 identified eight (8) switchgear units containing defective S3-12 switches.
r ach switchgear is furnished with two (2) SB-12 switches. The switches Us contain an inter =ittent contact proble uhich will cause a lack of continuity through the contact of the switch used to energize the trip ,
- coil of the circuit breaker. The switchgear units are used in the 6.9 KV system used for controlling the recirculating pu=ps.
]
m 5
e
.I
% kcX101.W
-. Initiated By: T. E. Reaves, Jr. Organization: MP&L Date:5/12/80 u
II. EVALUATION OF POTENTIAL ?2?ORTA3ILITY:
Rationale: Concurrence:
The potential exists that, should the Yes so Inifia} Date condition re=ain uncorrected, it could Manager QA X _!LL6cK 5// /30 adversely affect the safety of operations of the Nuclear Power Plant. Project Mgr. f sg afs?
4 [4 ' g//>/Jo
< /
See Attachment "A" + Dir. of ?wr Prod.
ff.
e
_ III. NOTIFICATION TO NRC: Person Notifie : M. Hunt How Notification 'a'as e Made: Telephone 3
w l.
A y Notified By: ,. Racey Date: 5/12/80 h IV. EVALUATION OF REPORTIBILITY:
- Sationale: Concurrence:
m v Ye s _N_o Initial Da te 4
p, Manager QA __
e w
4 Project Mgr. --
5 -
5 Dir. of ?v 2 rod. __
V. RE? ORT TO NRC:
6/11/80 Due Date:
Submitted Date:
Letter Nu=ber .
V!. CCRRECTIVE ACTION VI.RIFICATICN:
Sy. Date:
+ Required should agree =ent not be reached between Mgr QA and ?roject Mgr.
Attachment "A" to PPO 80/26 l
I The use of S3-12 switches in this particular application would have no adverse impact on plant safety since they are used in non-safety related. .-
~
switch gear. Therefore, this specific-deficiency is not re,aertable under 10 CFR 50.55(e) . However, since adverse impact may restit from other appli-cations, as yet unknown, this deficiency is considered to be potentially-reportable and requires evaluation of its generic implications, if any, O
i
/h
/
7 {s l ~
l /- DuSs.
/ .
5 N/go
${ <TE.SeM5
. side i
4
-l t
~
t 4
(
. . ~ . , - - - _ - , . _ . - - - .----- . - _- . , _ . - - - , , _ , ~ . . - - _ _ . _ . - _ . . - . . . - , ,, . -
- ~ , . .
(
L/0 .c.6 E
j lj Q.h NiiSSISSIPPI
- ,f-Wi@
W r: i re W POWER & LIGHT q ((
COMPANY' 7
Helping Build Mississippi NN$ P. O. B O X 16 4 0. J A C K S O N. MISSISSIPPI 39205 uu team:cu:no.senAmerc '
July 10, 19SO Office of Inspection & Enforcement U. S. Nuclear Regulatory Cc==ission Regica II 101 Marietta Street, N.W. .
Suite 3100 '
Atlanta, Georgia 30303 Attention: Mr. J. P. O'Reilly, Directer
Dear Mr. O'Reilly:
SU3 JECT: Grand Gulf Nuclear Statica Units 1 and 2 Docket Nos.. 50-416/417 File 0260/15525/15526 PRD-SO/26, Final Repert, Defective 53-12 S. itches (Ref.: AECM-SO/
128, June 12, 1550)
AICM-80/132 On May 12, 19S0, Mississippi Pcwer & Light Cc pany notified Mr. M. Eunt of your of fica'of a Pctentiall/ Reportable Deficiency (PRD) at the Grand Gulf Su:lrar Station (GGNS) constructica site.
Tne deficiency concerns CE Ty .e S3-12 switches.
We have since determined this deficiency to be reportable with-in the caning of ICCrit50.55(e). Details are described in the at-tached final report. We are evaluating the applicability of 10C?R21 and will subnit a report upon cenpletion.
Ycurs truly, 1
Of /
F
&&s fpp- J. P. McGaughy, Jr.
Assistant ice President ,
Nuclear Production ATR:nt Attach ent cc: Mr. N. L. Stanplay Mr. Victor Stello, Director Mr. R. B. !!cGehee Divicion of Inspecticn & Enforcement Mr. T. B. Conner U. S. I;uclear Regula tory Co-rission Washington, D.C. 20555 bec: Dr. D. C. Gibbs Mr. J. P. McGaughy Mr. J. U. Yelverten Mr. T. H. Clonincer Mr. L. F. Dale Mr. 7. . A. Anbrosine M r . J . N . Wa rd Mr. C. K. McCoy Mr. A. Zaccaria Mr. C. L. Tyrone Mr. E. L. Nail PRD Fi!(
Dape- Sep717m3&o -
o* -
- Attcch c A to AIOI-50/152 Tage 1 ( l FINAL REPOAT, ?RD-80/26
- 1. Descriotion cf Deficiener Defective S3-12 switches identified in IE Circular 79-17 vere found to be installed in switchgear supplied by tha vendor.
~he defect is an inter =ittent contact prcble: which will cause lack cf centinuity through the "n" contact'of the switch that is used to enargize the trip ceil of the circuit breaker.
II. Safetv inolications .
The 53-12 switches are used in the circuit breakcrs of the 6.9 l'V switchge t units which control the reactor recirculation pu ps. The safety ft_nction cf the breaker is to . trip on a signal frc: the Reacter Protection System. The pcstulated failure of the S;-12 switch would prevent the e:iergining of the trip coil thereby preventing the breaker frc: fulfilling its intended safety functien.
III. Cerrective Action Taken The vendor will furnish new S3-12 rwitches to correct the condi-tion and preclude recurrence, i
i
~
t j
l DUPLICATE DOCUMENT I
f i Entire document previously ,5 g DS 8567/7040% l entered into system under: j ANO o7[7 h Oh >
f No. of pages: j
-.-