ML19336A694: Difference between revisions

From kanterella
Jump to navigation Jump to search
StriderTol Bot change
StriderTol Bot change
 
Line 17: Line 17:


=Text=
=Text=
{{#Wiki_filter:-
{{#Wiki_filter:vms-ap s rem -
vms-ap s rem -
CGPANY INE-1 Lil+ Cornrem.
CGPANY INE-1 Lil+ Cornrem.     y
PNd,21 IDSHIFICATION NO. to-7A8-ooo y
  .      PNd,21 IDSHIFICATION NO. to- 7A8-ooo
y IRTE 0~ LETTEP ichsho DIKET NO.D-u un t
                ,                                                                    y IRTE 0~ LETTEPt  ichsho                 DIKET NO.D-u un DATE DISTRIBUTED 1o\zqlto o.rn.             ORIGIIML REPORT   y     SU?PLGBHARY DISTRIBUTION:
DATE DISTRIBUTED 1o\\zqlto o.rn.
REACTOR (R)   y                 FIEL CYCE &                     SACEC4RRDS (S)
ORIGIIML REPORT y SU?PLGBHARY DISTRIBUTION:
IE FIES                       I                               IE FIES AD/ROI                           IE FIES                         AD/SG AD/RCI                         AD/FRSI                         AD/RJI PEGIONSI,II,III,IV,V           REGIONSI,II,III,IV,V           PEGIONS I,II,III,IV,V VSO3R BR. R-IV                 VENDOR BR. R-IV                 VSO3R BR. R-IV LIEB / IPA MG 5715             I?ES / FO S       SS-395       .ngg/93L AECD         MG 7602             LGEB/ IPA     MG 5715         IPES / SG SS431 NPNDI                         ACDD           MG 7602         LEB / IPA     MG 5715 NRP/DSI                       ASLBP E/W       l!50             AEDD         MG 7602 NMT                       -
REACTOR (R) y FIEL CYCE &
ggo/SP l'iG-7210A               ASLBP     E/d 450
SACEC4RRDS (S)
[EP/D3L           -
IE FIES I
CEhTPAL FIES       016       CBURAL FIES       016 ASLEP   .Ml 450                                               CSURAL FIES    (DiRDt0 CBiTPAL FIES ( GRO'O CBERAL FIES       016             PDR                           CBiTRAL FIES     SS-395 CBERAL FIES       (GPJO             LPDR                         PDR                       .
IE FIES AD/ROI IE FIES AD/SG AD/RCI AD/FRSI AD/RJI PEGIONSI,II,III,IV,V REGIONSI,II,III,IV,V PEGIONS I,II,III,IV,V VSO3R BR. R-IV VENDOR BR. R-IV VSO3R BR. R-IV LIEB / IPA MG 5715 I?ES / FO S SS-395
PDR                                 TERA                         IPDR
.ngg/93L AECD MG 7602 LGEB/ IPA MG 5715 IPES / SG SS431 NPNDI ACDD MG 7602 LEB / IPA MG 5715 NRP/DSI ASLBP E/W l!50 AEDD MG 7602 NMT ggo/SP l'iG-7210A ASLBP E/d 450
[PDR                                                             TERA NA                                                                           '
[EP/D3L CEhTPAL FIES 016 CBURAL FIES 016 ASLEP
ACTION:
.Ml 450 CBiTPAL FIES ( GRO'O CSURAL FIES (DiRDt0 CBERAL FIES 016 PDR CBiTRAL FIES SS-395 CBERAL FIES (GPJO LPDR PDR PDR TERA IPDR
[PDR TERA NA ACTION:
l PRELIMItMRY EVALUATION OF THE~ ATTACHED REPORT ltOICATES LFAD RESPONSIBILI'P/ FdR FOLLOWJP AS SFOWN BELOW:
l PRELIMItMRY EVALUATION OF THE~ ATTACHED REPORT ltOICATES LFAD RESPONSIBILI'P/ FdR FOLLOWJP AS SFOWN BELOW:
IE   i                                   Nd ].                     fpSS [           011FR [
IE i Nd ].
Ss FFMSI                                                                               Pa'. 8/1/80 8010800 W '                                   -
fpSS [
    ,      .  ,    . 2      . ..3 ..      : .. :  .  .:.    ,.  .    .,    ;    -
011FR [
                                                                                          ,.    .c   .
Ss FFMSI Pa'. 8/1/80 8010800 W '
..3
.c 2


BS-TC6-CCS t
h g.,]q BS-TC6-CCS g
h    gg.,]q    ;
t MISSISSIPPI POWER & LIGHT COMPANY Y
MISSISSIPPI POWER & LIGHT COMPANY Y                 Helping Build Mississippi b.
Helping Build Mississippi b.
E m ,1       E   P. O. B O X 16 4 0. J A C K S O N. MIS SISSIPPI 39205 JAVES P. McGAUGHY, JfL October 13, 1980 Amst ANT V4Cf PRE $1 DENT Office of Inspection & Enforcement U. S. Nuclear Regulator,f Commission Region II 101 Marietta Street, N.W.
E m,1 E P. O. B O X 16 4 0. J A C K S O N. MIS SISSIPPI 39205 October 13, 1980 JAVES P. McGAUGHY, JfL Amst ANT V4Cf PRE $1 DENT Office of Inspection & Enforcement U. S. Nuclear Regulator,f Commission 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


==Dearlfr. O'Reilly:==
==Dearlfr. O'Reilly:==
==SUBJECT:==
==SUBJECT:==
Grand Gulf Nuclear Station Units 1 and 2 Docket Nos. 50-416/417 File 0260/15525/15526 g
Grand Gulf Nuclear Station Units 1 and 2 Docket Nos. 50-416/417 File 0260/15525/15526 PRD-80/56, Status Report, RCI g
PRD-80/56, Status Report, RCI Pipe Supports
\\
      \ -                                                    AECM-80/251 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 seismic piping supports installed by Reactor Controls, Inc. (RCI) for the control rod drive hydraulic system. The installation of this piping was not in accordance with the original design.
Pipe Supports AECM-80/251 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 seismic piping supports installed by Reactor Controls, Inc. (RCI) for the control rod drive hydraulic system. The installation of this piping was not in accordance with the original design.
We are working with the constructor to determine reportability       .
We are working with the constructor to determine reportability of this item under 10CFR50.55(e) and 10CFR21.
of this item under 10CFR50.55(e) and 10CFR21.             Our Status Report is attached. We expect to send you our filial report on this matter by January 21, 1981.
Our Status Report is attached. We expect to send you our filial report on this matter by January 21, 1981.
Yours truly, l
Yours truly, l
[ # J. P. McGaughy, Jr.
[ # J. P. McGaughy, Jr.
WDH:mt                                                           -
WDH:mt Attac' ment cc:
!                Attac' ment cc:     Mr. N. L. Sta=pley                 Mr. Victor Stello, Director Mr. R. B. McGehee                 Division of Inspection & Enforcecent Mr. T. B. Conner                   U. S. Nuclear Regulatory Commission Washington, D.C.     20555 Member Middle South Utilities System
Mr. N. L. Sta=pley Mr. Victor Stello, Director Mr. R. B. McGehee Division of Inspection & Enforcecent Mr. T. B. Conner U. S. Nuclear Regulatory Commission Washington, D.C.
20555 Member Middle South Utilities System


i STATUS REPORT FOR PRD-80/56
i STATUS REPORT FOR PRD-80/56 1.
: 1. Description of the D'ficiency     e Pipe supports for the Control Rod Drive (CRD) System were installed by Reactor Controls, Inc. with the rollowing nonconformances I               with the original design noted:
Description of the D'ficiency e
!                1. Tube steel wa; substituted for angle;                                   ,
Pipe supports for the Control Rod Drive (CRD) System were installed by Reactor Controls, Inc. with the rollowing nonconformances I
: 2. Plates which were not shown on the applicable drawings were welded to the tube steel at the attachment to the embeds. These welds were only on three sides, and the
with the original design noted:
;                      fourth side extended beyond the embed;
1.
: 3. Pipe clamps were discovered broken away from the pipe being supported;
Tube steel wa; substituted for angle; 2.
: 4. Hangers were installed with several pipe support items missing which were called for on the applicable drawings.
Plates which were not shown on the applicable drawings were welded to the tube steel at the attachment to the embeds.
II. Proposed Resolution of the Deficiency Mississippi Power & Light Company is working with the construc-l tor to evaluate this deficiency and to make the following de-terminations:
These welds were only on three sides, and the fourth side extended beyond the embed; 3.
: 1. The cause, including the extent of the problem;
Pipe clamps were discovered broken away from the pipe being supported; 4.
: 2. Corrective action \to be taken;
Hangers were installed with several pipe support items missing which were called for on the applicable drawings.
: 3. Action to preclude' recurrence;
II.
: 4. Effect on the safety of plant operation:<..
Proposed Resolution of the Deficiency Mississippi Power & Light Company is working with the construc-l tor to evaluate this deficiency and to make the following de-terminations:
1.
The cause, including the extent of the problem; 2.
Corrective action \\to be taken; 3.
Action to preclude' recurrence; 4.
Effect on the safety of plant operation:<..
Our decision as to reportability under 10CFR50.55(e) and 10CFR21 will be based on the above items.
Our decision as to reportability under 10CFR50.55(e) and 10CFR21 will be based on the above items.
III. Status of Proposed Resolution The constructor has written Reactor Controls , Inc. and requested them to reply to the noncomformance reports issued against this
III.
* deficiency (QAR F-210 and Qt.R F-232).
Status of Proposed Resolution The constructor has written Reactor Controls, Inc. and requested them to reply to the noncomformance reports issued against this deficiency (QAR F-210 and Qt.R F-232).
These inputs should be available to MP&L for evaluation in Decem-ber 1980.
These inputs should be available to MP&L for evaluation in Decem-ber 1980.
* IV. Reason for Delay in Final Report f
IV.
Reason for Delay in Final Report f
The evaluation is not complete.
The evaluation is not complete.
j         V. Final Report Date We expect to file our final report by January 21, 1981.
j V.
Final Report Date We expect to file our final report by January 21, 1981.
i i
i i
9 1
9 1
                                                                            . _ .}}
.-}}

Latest revision as of 17:26, 25 December 2024

Part 21 Rept Re Reactor Controls,Inc Pipe Supports.Tube Steel Substituted for Angle.Pipe Clamps Discovered Broken Away from Supported Pipe.Evaluation Underway.Final Rept Will Be Filed by 810121
ML19336A694
Person / Time
Site: Grand Gulf  
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-PT21-80-298-000 10CFR-050.55E, 10CFR-50.55E, NUDOCS 8010300497
Download: ML19336A694 (3)


Text

vms-ap s rem -

CGPANY INE-1 Lil+ Cornrem.

PNd,21 IDSHIFICATION NO. to-7A8-ooo y

y IRTE 0~ LETTEP ichsho DIKET NO.D-u un t

DATE DISTRIBUTED 1o\\zqlto o.rn.

ORIGIIML REPORT y SU?PLGBHARY DISTRIBUTION:

REACTOR (R) y FIEL CYCE &

SACEC4RRDS (S)

IE FIES I

IE FIES AD/ROI IE FIES AD/SG AD/RCI AD/FRSI AD/RJI PEGIONSI,II,III,IV,V REGIONSI,II,III,IV,V PEGIONS I,II,III,IV,V VSO3R BR. R-IV VENDOR BR. R-IV VSO3R BR. R-IV LIEB / IPA MG 5715 I?ES / FO S SS-395

.ngg/93L AECD MG 7602 LGEB/ IPA MG 5715 IPES / SG SS431 NPNDI ACDD MG 7602 LEB / IPA MG 5715 NRP/DSI ASLBP E/W l!50 AEDD MG 7602 NMT ggo/SP l'iG-7210A ASLBP E/d 450

[EP/D3L CEhTPAL FIES 016 CBURAL FIES 016 ASLEP

.Ml 450 CBiTPAL FIES ( GRO'O CSURAL FIES (DiRDt0 CBERAL FIES 016 PDR CBiTRAL FIES SS-395 CBERAL FIES (GPJO LPDR PDR PDR TERA IPDR

[PDR TERA NA ACTION:

l PRELIMItMRY EVALUATION OF THE~ ATTACHED REPORT ltOICATES LFAD RESPONSIBILI'P/ FdR FOLLOWJP AS SFOWN BELOW:

IE i Nd ].

fpSS [

011FR [

Ss FFMSI Pa'. 8/1/80 8010800 W '

..3

.c 2

h g.,]q BS-TC6-CCS g

t MISSISSIPPI POWER & LIGHT COMPANY Y

Helping Build Mississippi b.

E m,1 E P. O. B O X 16 4 0. J A C K S O N. MIS SISSIPPI 39205 October 13, 1980 JAVES P. McGAUGHY, JfL Amst ANT V4Cf PRE $1 DENT Office of Inspection & Enforcement U. S. Nuclear Regulator,f Commission Region II 101 Marietta Street, N.W.

Suite 3100 Atlanta, Georgia 30303 Attention:

Mr. J. P. O'Reilly, Director

Dearlfr. O'Reilly:

SUBJECT:

Grand Gulf Nuclear Station Units 1 and 2 Docket Nos. 50-416/417 File 0260/15525/15526 PRD-80/56, Status Report, RCI g

\\

Pipe Supports AECM-80/251 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 seismic piping supports installed by Reactor Controls, Inc. (RCI) for the control rod drive hydraulic system. The installation of this piping was not in accordance with the original design.

We are working with the constructor to determine reportability of this item under 10CFR50.55(e) and 10CFR21.

Our Status Report is attached. We expect to send you our filial report on this matter by January 21, 1981.

Yours truly, l

[ # J. P. McGaughy, Jr.

WDH:mt Attac' ment cc:

Mr. N. L. Sta=pley Mr. Victor Stello, Director Mr. R. B. McGehee Division of Inspection & Enforcecent Mr. T. B. Conner U. S. Nuclear Regulatory Commission Washington, D.C.

20555 Member Middle South Utilities System

i STATUS REPORT FOR PRD-80/56 1.

Description of the D'ficiency e

Pipe supports for the Control Rod Drive (CRD) System were installed by Reactor Controls, Inc. with the rollowing nonconformances I

with the original design noted:

1.

Tube steel wa; substituted for angle; 2.

Plates which were not shown on the applicable drawings were welded to the tube steel at the attachment to the embeds.

These welds were only on three sides, and the fourth side extended beyond the embed; 3.

Pipe clamps were discovered broken away from the pipe being supported; 4.

Hangers were installed with several pipe support items missing which were called for on the applicable drawings.

II.

Proposed Resolution of the Deficiency Mississippi Power & Light Company is working with the construc-l tor to evaluate this deficiency and to make the following de-terminations:

1.

The cause, including the extent of the problem; 2.

Corrective action \\to be taken; 3.

Action to preclude' recurrence; 4.

Effect on the safety of plant operation:<..

Our decision as to reportability under 10CFR50.55(e) and 10CFR21 will be based on the above items.

III.

Status of Proposed Resolution The constructor has written Reactor Controls, Inc. and requested them to reply to the noncomformance reports issued against this deficiency (QAR F-210 and Qt.R F-232).

These inputs should be available to MP&L for evaluation in Decem-ber 1980.

IV.

Reason for Delay in Final Report f

The evaluation is not complete.

j V.

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

i i

9 1

.-