ML19339A003: 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)
Line 19: Line 19:
{{#Wiki_filter:-            -
{{#Wiki_filter:-            -
                                       .                                                      i mniv.,ipps ra-
                                       .                                                      i mniv.,ipps ra-
     .      PART 21 IDBRIFICATION NO. So-h-coo                                C09M RNE4            a M Cow            c DATE 0: IInR 14 mIto                        D33(ET NO. Eo-41s        un
     .      PART 21 IDBRIFICATION NO. So-h-coo                                C09M RNE4            a M Cow            c DATE 0: IInR 14 mIto                        D33(ET NO. Eo-41s        un DALE DISTRIBUTED        iolw    to prn-        ORIGIRAL REPORT      y    StPPLEENTARY DISTRIBlHION:
'
DALE DISTRIBUTED        iolw    to prn-        ORIGIRAL REPORT      y    StPPLEENTARY
                                                  "
DISTRIBlHION:
REACTOR (R)    X                      FlEL CYCLE &                      SACEGtlARDS (S)
REACTOR (R)    X                      FlEL CYCLE &                      SACEGtlARDS (S)
IE FIlfS                              [m          (l'D IE FILES AD/ROI                                IEFILES                          AD/SG AD/RCI                                AD/FRSI                          AD/ROI EGIONS I,II,III,IV,V                  REGIONS I,II,III,IV,V            PEGIONS I,II,III,IV,V VEIODR BR, R-IV VSO3R BR. R-IV                                                          VSOJR BR. R-IV llEB / IPA liG 5715                  K'ES / F06        SS-395        .NRP/D3L EOD          fig 7602                LDEB / IPA      I4B 5715        IN S / SG SS-881 NRR/DDE                              AEOD            fig 7602        IIEB / IPA        fig 5715 NRR/DSI                              AS3P E/W        450              EOD                i4G 7602 NMT                          '
IE FIlfS                              [m          (l'D IE FILES AD/ROI                                IEFILES                          AD/SG AD/RCI                                AD/FRSI                          AD/ROI EGIONS I,II,III,IV,V                  REGIONS I,II,III,IV,V            PEGIONS I,II,III,IV,V VEIODR BR, R-IV VSO3R BR. R-IV                                                          VSOJR BR. R-IV llEB / IPA liG 5715                  K'ES / F06        SS-395        .NRP/D3L EOD          fig 7602                LDEB / IPA      I4B 5715        IN S / SG SS-881 NRR/DDE                              AEOD            fig 7602        IIEB / IPA        fig 5715 NRR/DSI                              AS3P E/W        450              EOD                i4G 7602 NMT                          '
SA /SP fi'B-7210A                ASBP          E/W 450 NRR/D3L                -
SA /SP fi'B-7210A                ASBP          E/W 450 NRR/D3L                -
CENTPAL FILES          016      CBERAL FIlfS            016 ASWP    E/W 450                                                        CBERAL FIlfS          (GR0f0 CENTRAL FIlfS ( GRO:0 CBERAL FILES          016              PDR                              CBffRAL FIlfS            SS-395 CBERAL FILES (GTOD                    LPDR                            PDR                              .
CENTPAL FILES          016      CBERAL FIlfS            016 ASWP    E/W 450                                                        CBERAL FIlfS          (GR0f0 CENTRAL FIlfS ( GRO:0 CBERAL FILES          016              PDR                              CBffRAL FIlfS            SS-395 CBERAL FILES (GTOD                    LPDR                            PDR                              .
                                        '
PDR                                    TEPA                            LPDR LPDR                                                                    TERA
PDR                                    TEPA                            LPDR LPDR                                                                    TERA
         ~,
         ~,
TERA
TERA ACTION:
                                                                                                  '
ACTION:
PRELIMINARY EVALUATION OF THE ATTACHED REPORT ItOICATES LEAD RESPONSIBILITY FdR FOLLOWJ? AS SFOhN BELOW:
PRELIMINARY EVALUATION OF THE ATTACHED REPORT ItOICATES LEAD RESPONSIBILITY FdR FOLLOWJ? AS SFOhN BELOW:
x                                      HRR _]                          less                  01}ja      ;
x                                      HRR _]                          less                  01}ja      ;
9BP ss FFMSI                                                                                                    8/1/80
9BP ss FFMSI                                                                                                    8/1/80 PS/.  .s 'inhe 804031 d[.,,          ,,
  .
PS/.  .s 'inhe 804031 d[.,,          ,,
g      .
g      .
                                                    ,',              ,                    ,
                                                                                                    .
                                                                                                                ,
                                                                                                              ..
      .      ..  .    .      .      _    .    .        .    .      _ . _    ..    .,    .
                                                                                                      . ..          .
                                                                                                .


q v.
q v.
-
  -
    ,
          -
co_ e3 - ca e,                        gb  a*>b      -
co_ e3 - ca e,                        gb  a*>b      -
5__  g                                          IGHT COMPANY
5__  g                                          IGHT COMPANY
                         /f a t idi a
                         /f a t idi a
MISSISSIPPI POWER '
MISSISSIPPI POWER '
Helping B uild ..    's sip p i b                JM        lM  P. O. B O X 16 4 0, J A C K S O N , MISSISSIPPI 39205
Helping B uild ..    's sip p i b                JM        lM  P. O. B O X 16 4 0, J A C K S O N , MISSISSIPPI 39205 Jg, ES[,;
        .
October 13, 1980 Office of Inspection & Enforcement
Jg, ES[,;
October 13, 1980
                                                                                    .
Office of Inspection & Enforcement
* U. S. Nuclear Regulatory Commission 4                  Region II 101 Marietta Street, N.W.
* U. S. Nuclear Regulatory Commission 4                  Region II 101 Marietta Street, N.W.
Suite 3100 Atlanta, Georgia 30303 Attention:    Mr. J. P. O'Reilly, Director
Suite 3100 Atlanta, Georgia 30303 Attention:    Mr. J. P. O'Reilly, Director
                                                                                                -


==Dear Mr. 0'Reilly:==
==Dear Mr. 0'Reilly:==
Line 72: Line 47:
Grand Gulf Nuclear Station Units 1 and 2 Docket Nos. 50-416/417/
Grand Gulf Nuclear Station Units 1 and 2 Docket Nos. 50-416/417/
File 0260/15525/15526 PRD-80/58, Interim Report, Incor-rectly Ordered Throttling Valve AECM-80/253 On September 12, 1980, Mississippi Power & Light Company noti-fled Mr. M. Hunt of your office of a Potentially Reportable Defi-ciency (PRD) at the Grand Gulf Nuclear Station (GGNS) construction site. The deficiency concerns incorrectly ordered throttling valves for the Residual Heat Removal (RHR) System.
File 0260/15525/15526 PRD-80/58, Interim Report, Incor-rectly Ordered Throttling Valve AECM-80/253 On September 12, 1980, Mississippi Power & Light Company noti-fled Mr. M. Hunt of your office of a Potentially Reportable Defi-ciency (PRD) at the Grand Gulf Nuclear Station (GGNS) construction site. The deficiency concerns incorrectly ordered throttling valves for the Residual Heat Removal (RHR) System.
We have determined that this matter is reportable under 10CFR 50.55(e). We are working with the constructor to investigate this matter for reportability under 10CFR21. Our Interim Report is at
We have determined that this matter is reportable under 10CFR 50.55(e). We are working with the constructor to investigate this matter for reportability under 10CFR21. Our Interim Report is at tached. We expect to complete our investigation and send you a
                                                            ,
                                                                                          -
* tached. We expect to complete our investigation and send you a
                                                           ~
                                                           ~
Final Report on this matter by January 21, 1981.
Final Report on this matter by January 21, 1981.
Line 81: Line 53:
WDH:mt Attachment cc:  Mr. N. L. Stampley            Mr. Victor Stello, Director Mr. R. B. McGehee            Division of Inspection & Enforcement Mr. T. B. Conner              U. S. Nuclear Regulatory Co= mission Washington, D.C.      20555
WDH:mt Attachment cc:  Mr. N. L. Stampley            Mr. Victor Stello, Director Mr. R. B. McGehee            Division of Inspection & Enforcement Mr. T. B. Conner              U. S. Nuclear Regulatory Co= mission Washington, D.C.      20555
                                                                                                     ;
                                                                                                     ;
                                                                                                    !
1 Member Middle South Utilities System
1 Member Middle South Utilities System
                              ,


    .,                                                        -          -  _
        .
4 INTERIM REPORT FOR PP3-80/58 1
4 INTERIM REPORT FOR PP3-80/58 1
: 1. Description
: 1. Description Valves for the Low Pressure Core Spray (LPCS) System and the Resi-dual Heat Removal (RHR) System were incorrectly purchased as shut-i off type valves. However, these valves must operate as throttling valves in order for them to perform their normal operational safety functions.
                                                                                          .
Valves for the Low Pressure Core Spray (LPCS) System and the Resi-dual Heat Removal (RHR) System were incorrectly purchased as shut-i off type valves. However, these valves must operate as throttling valves in order for them to perform their normal operational safety functions.
                                                '
II. Proposed Resolution of the Deficiency Mississippi Power & Light Co=pany is working with the constructor to resolve this deficiency and to determine reportability under 10CFR21. The following steps are being taken in this investiga-tion:
II. Proposed Resolution of the Deficiency Mississippi Power & Light Co=pany is working with the constructor to resolve this deficiency and to determine reportability under 10CFR21. The following steps are being taken in this investiga-tion:
1.__ Determine _whether the ordered valves can operate in the throt-tling mode to perform their intended safety functions;
1.__ Determine _whether the ordered valves can operate in the throt-tling mode to perform their intended safety functions;
'
: 2. Evaluate the effect of this condition on plant operations;
: 2. Evaluate the effect of this condition on plant operations;
: 3. -Determine action to preclude recurrence; and
: 3. -Determine action to preclude recurrence; and
Line 100: Line 64:
Ill. Status of Proposed Resolution It .has been determined that valve Q1E21F012 in the LPCS System is not suitable for functioning as a throttling valve. Our in-vestigation revealed that extensive throttling of the valve could result in valve damage to the extent that the valve could not close. This condition would compromise the action of the LPCS System during a safe shutdown.      For this reason, we have deter-t            mined that this deficiency is reportable under 10CFR50.55(e).
Ill. Status of Proposed Resolution It .has been determined that valve Q1E21F012 in the LPCS System is not suitable for functioning as a throttling valve. Our in-vestigation revealed that extensive throttling of the valve could result in valve damage to the extent that the valve could not close. This condition would compromise the action of the LPCS System during a safe shutdown.      For this reason, we have deter-t            mined that this deficiency is reportable under 10CFR50.55(e).
Four other valves in the RHR System are being investigated to determine if they can function satisfactorily as throttling valves.
Four other valves in the RHR System are being investigated to determine if they can function satisfactorily as throttling valves.
We have contacted the supplier and requested additional informa-
We have contacted the supplier and requested additional informa-tion to fully evaluate this condition.            These actions are being tracked by Bechtel MCAR No. 99.
                                                                                            -
tion to fully evaluate this condition.            These actions are being tracked by Bechtel MCAR No. 99.
IV. Reason for Delav in Final Report i
IV. Reason for Delav in Final Report i
The evaluation is not complete.
The evaluation is not complete.
V. Final Report Date
V. Final Report Date
                           ^
                           ^
!
We expect to file our Final, Report by January 21, 1981.
We expect to file our Final, Report by January 21, 1981.
i i
i i
.
5
5
                                          ,    -
                                                     - . - . - .                              _ .-}}
                                                     - . - . - .                              _ .-}}

Revision as of 12:43, 31 January 2020

Part 21 Rept Re Incorrectly Ordered Throttling Valve.Valves for LPCS & RHR Sys Were Incorrectly Purchased as Shutoff Type.Final Rept Will Be Filed by 810121
ML19339A003
Person / Time
Site: Grand Gulf  Entergy icon.png
Issue date: 10/13/1980
From: Mcgaughy J
MISSISSIPPI POWER & LIGHT CO.
To: James O'Reilly
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
References
REF-PT21-80-300-000 10CFR-050.55E, 10CFR-50.55E, AECM-80-253, NUDOCS 8010310511
Download: ML19339A003 (3)
v • d • e


Text

- -

. i mniv.,ipps ra-

. PART 21 IDBRIFICATION NO. So-h-coo C09M RNE4 a M Cow c DATE 0: IInR 14 mIto D33(ET NO. Eo-41s un DALE DISTRIBUTED iolw to prn- ORIGIRAL REPORT y StPPLEENTARY DISTRIBlHION:

REACTOR (R) X FlEL CYCLE & SACEGtlARDS (S)

IE FIlfS [m (l'D IE FILES AD/ROI IEFILES AD/SG AD/RCI AD/FRSI AD/ROI EGIONS I,II,III,IV,V REGIONS I,II,III,IV,V PEGIONS I,II,III,IV,V VEIODR BR, R-IV VSO3R BR. R-IV VSOJR BR. R-IV llEB / IPA liG 5715 K'ES / F06 SS-395 .NRP/D3L EOD fig 7602 LDEB / IPA I4B 5715 IN S / SG SS-881 NRR/DDE AEOD fig 7602 IIEB / IPA fig 5715 NRR/DSI AS3P E/W 450 EOD i4G 7602 NMT '

SA /SP fi'B-7210A ASBP E/W 450 NRR/D3L -

CENTPAL FILES 016 CBERAL FIlfS 016 ASWP E/W 450 CBERAL FIlfS (GR0f0 CENTRAL FIlfS ( GRO:0 CBERAL FILES 016 PDR CBffRAL FIlfS SS-395 CBERAL FILES (GTOD LPDR PDR .

PDR TEPA LPDR LPDR TERA

~,

TERA ACTION:

PRELIMINARY EVALUATION OF THE ATTACHED REPORT ItOICATES LEAD RESPONSIBILITY FdR FOLLOWJ? AS SFOhN BELOW:

x HRR _] less 01}ja  ;

9BP ss FFMSI 8/1/80 PS/. .s 'inhe 804031 d[.,, ,,

g .

q v.

co_ e3 - ca e, gb a*>b -

5__ g IGHT COMPANY

/f a t idi a

MISSISSIPPI POWER '

Helping B uild .. 's sip p i b JM lM P. O. B O X 16 4 0, J A C K S O N , MISSISSIPPI 39205 Jg, ES[,;

October 13, 1980 Office of Inspection & Enforcement

  • U. S. Nuclear Regulatory Commission 4 Region II 101 Marietta Street, N.W.

Suite 3100 Atlanta, Georgia 30303 Attention: Mr. J. P. O'Reilly, Director

Dear Mr. 0'Reilly:

SUBJECT:

Grand Gulf Nuclear Station Units 1 and 2 Docket Nos. 50-416/417/

File 0260/15525/15526 PRD-80/58, Interim Report, Incor-rectly Ordered Throttling Valve AECM-80/253 On September 12, 1980, Mississippi Power & Light Company noti-fled Mr. M. Hunt of your office of a Potentially Reportable Defi-ciency (PRD) at the Grand Gulf Nuclear Station (GGNS) construction site. The deficiency concerns incorrectly ordered throttling valves for the Residual Heat Removal (RHR) System.

We have determined that this matter is reportable under 10CFR 50.55(e). We are working with the constructor to investigate this matter for reportability under 10CFR21. Our Interim Report is at tached. We expect to complete our investigation and send you a

~

Final Report on this matter by January 21, 1981.

Yours truly, J. P. McGaughy, Jr.

WDH:mt Attachment cc: Mr. N. L. Stampley Mr. Victor Stello, Director Mr. R. B. McGehee Division of Inspection & Enforcement Mr. T. B. Conner U. S. Nuclear Regulatory Co= mission Washington, D.C. 20555

1 Member Middle South Utilities System

4 INTERIM REPORT FOR PP3-80/58 1

1. Description Valves for the Low Pressure Core Spray (LPCS) System and the Resi-dual Heat Removal (RHR) System were incorrectly purchased as shut-i off type valves. However, these valves must operate as throttling valves in order for them to perform their normal operational safety functions.

II. Proposed Resolution of the Deficiency Mississippi Power & Light Co=pany is working with the constructor to resolve this deficiency and to determine reportability under 10CFR21. The following steps are being taken in this investiga-tion:

1.__ Determine _whether the ordered valves can operate in the throt-tling mode to perform their intended safety functions;

2. Evaluate the effect of this condition on plant operations;
3. -Determine action to preclude recurrence; and
4. Implement corrective action.

Ill. Status of Proposed Resolution It .has been determined that valve Q1E21F012 in the LPCS System is not suitable for functioning as a throttling valve. Our in-vestigation revealed that extensive throttling of the valve could result in valve damage to the extent that the valve could not close. This condition would compromise the action of the LPCS System during a safe shutdown. For this reason, we have deter-t mined that this deficiency is reportable under 10CFR50.55(e).

Four other valves in the RHR System are being investigated to determine if they can function satisfactorily as throttling valves.

We have contacted the supplier and requested additional informa-tion to fully evaluate this condition. These actions are being tracked by Bechtel MCAR No. 99.

IV. Reason for Delav in Final Report i

The evaluation is not complete.

V. Final Report Date

^

We expect to file our Final, Report by January 21, 1981.

i i

5

- . - . - . _ .-

Retrieved from "https://kanterella.com/w/index.php?title=ML19339A003&oldid=2353561"