ML20212G022: Difference between revisions

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                                                        UNITED STATES
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                                                  611 RYAN PLAZA DRIVE, sulTE 400
*
            ,,,,,'                                ARLINGTON, TEXAS 76011-8064
NUCLEAR REGULATORY COMMISSION
                                                        SEP 2 21999
.
              Garry L. Randolph, Vice President and
E
                Chief Nuclear Officer
o
              Union Electric Company
l
              P.O. Box 620
ls
              Fulton, Missouri 65251
*
              SUBJECT: NRC SPECIAL INSPECTION REPORT NUMBER 50-483/99-11
REGION IV
              Dear Mr. Randolph:
611 RYAN PLAZA DRIVE, sulTE 400
              This refers to the special inspection conducted on August 12-20,1999, at the Callaway Plant.
              The inspection focused on the causes, circumstances, and corrective actions associated with
              the August 11,1999, rupture of a 6-inch drain line between a moisture separator reheater first
              stage reheater drain tank and feedwater Heater 6B.
              Following the event, operator performance in shutting down the unit was good. The team found
              that a weakness in your flow-accelerated corrosion monitoring program resulted in no previous
,
,
              inspections of the pipe segment which failed. The enclosed report presents the results of this
, , , , , '
              inspection.
ARLINGTON, TEXAS 76011-8064
!             In accordance with 10 CFR 2.790 of the NRC's " Rules of Practice," a copy of this letter, its
SEP 2 21999
              enclosure, and your response, if requested, will be placed in the NRC Public Document Room.
Garry L. Randolph, Vice President and
              Should you have any questions concerning this inspection, we will be pleased to discuss them
Chief Nuclear Officer
              with you.
Union Electric Company
                                                            Sincerely,
P.O. Box 620
                                                            b         -
Fulton, Missouri 65251
                                                            Wilh m D. Johnson, Chief
SUBJECT: NRC SPECIAL INSPECTION REPORT NUMBER 50-483/99-11
                                                            Project Branch B
Dear Mr. Randolph:
                                                            Division of Reactor Projects
This refers to the special inspection conducted on August 12-20,1999, at the Callaway Plant.
              Docket No.:     50-483
The inspection focused on the causes, circumstances, and corrective actions associated with
the August 11,1999, rupture of a 6-inch drain line between a moisture separator reheater first
stage reheater drain tank and feedwater Heater 6B.
Following the event, operator performance in shutting down the unit was good. The team found
that a weakness in your flow-accelerated corrosion monitoring program resulted in no previous
inspections of the pipe segment which failed. The enclosed report presents the results of this
,
inspection.
!
In accordance with 10 CFR 2.790 of the NRC's " Rules of Practice," a copy of this letter, its
enclosure, and your response, if requested, will be placed in the NRC Public Document Room.
Should you have any questions concerning this inspection, we will be pleased to discuss them
with you.
Sincerely,
b
-
Wilh m D. Johnson, Chief
Project Branch B
Division of Reactor Projects
Docket No.:
50-483
I
I
              License No.: NPF-30
License No.: NPF-30
              Enclosure:                                                                                     l,
Enclosure:
              NRC Inspection Report No.                                                                     I
l,
                  50-483/99-11
NRC Inspection Report No.
            9909290058 990922
I
            PDR     ADOCK 05000483
50-483/99-11
            G                     PDR
9909290058 990922
                                                                                                                1
PDR
L:                                                                                                               J
ADOCK 05000483
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            Union Electric Company                     -2-
Union Electric Company
                                                            1
-2-
          . cc w/ enclosure:
1
            Professional Nuclear Consulting, Inc.-
. cc w/ enclosure:
            19041 Raines Drive
Professional Nuclear Consulting, Inc.-
          Derwood, Maryland 20855
19041 Raines Drive
          John O'Neill, Esq.
Derwood, Maryland 20855
            Shaw, Pittman, Potts & Trowbridge
John O'Neill, Esq.
          2300 N. Street, N.W.
Shaw, Pittman, Potts & Trowbridge
          Washington, D.C. 20037
2300 N. Street, N.W.
          ~ H. D. Bono, Supervising Engineer
Washington, D.C. 20037
          Quality Assurance Regulatory Support
~ H. D. Bono, Supervising Engineer
          Union Electric Company
Quality Assurance Regulatory Support
            P.O. Box 620 .
Union Electric Company
            Fulton, Missouri 65251
P.O. Box 620 .
            Manager - Electric Department
Fulton, Missouri 65251
            Missouri Public Service Commission
Manager - Electric Department
          301 W. High .
Missouri Public Service Commission
            P.O. Box 360
301 W. High .
          Jefferson City, Missouri 65102
P.O. Box 360
            Ronald A. Kucera, Director
Jefferson City, Missouri 65102
            of Intergovernmental Cooperation
Ronald A. Kucera, Director
            P.O. Box 176
of Intergovernmental Cooperation
          Jefferson City, Missouri 65102
P.O. Box 176
            Otto L. Maynard, President and -
Jefferson City, Missouri 65102
            ~ Chief Executive Officer
Otto L. Maynard, President and -
    ,      Wolf Creek _ Nuclear Operating Corporation     !
~ Chief Executive Officer
                                                            !
Wolf Creek _ Nuclear Operating Corporation
            P.O. Box 411
,
          ' Burlington, Kansas 66839
P.O. Box 411
            Dan I. Bolef, President
!
                                                          j
' Burlington, Kansas 66839
          ! Kay Drey,-Representative
Dan I. Bolef, President
          ~ Board of Directors Coalition                   i
! Kay Drey,-Representative
                                                          !
j
            for the Environment
~ Board of Directors Coalition
            6267 Delmar Boulevard                           '
i
            University City, Missouri 63130
for the Environment
          . Lee Fritz, Presiding Commissioner
!
            Callaway County Court House
6267 Delmar Boulevard
            10 East Fif th Street ,
'
            Fulton, Missouri 65151'
University City, Missouri 63130
                                                            ;
. Lee Fritz, Presiding Commissioner
                                                            i
Callaway County Court House
                                                            i
10 East Fif th Street ,
      1-
Fulton, Missouri 65151'
i
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    :.,
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    n
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            . Union Electric Company'           -3-
. Union Electric Company'
              Alan C. Passwater, Manager -
-3-
            : Licensing and Fuels
Alan C. Passwater, Manager -
            ' AmerenUE
: Licensing and Fuels
              One Ameren Plaza
' AmerenUE
          .1901
One Ameren Plaza
            :      Chouteau Avenue                 I
.1901 Chouteau Avenue
              P.O. Box 66149 -
I
              St. Louis, Missouri 63166-6149 --
:
              J. V. Laux, Manager -
P.O. Box 66149 -
              Quality Assurance
St. Louis, Missouri 63166-6149 --
              Union Electric Company
J. V. Laux, Manager -
              P.O. Box 620
Quality Assurance
          ' Fulton, Missouri 65251
Union Electric Company
              Jerry Uhlmann, Director
P.O. Box 620
              State Emergency Management Agency
' Fulton, Missouri 65251
          . P.O. Box 116
Jerry Uhlmann, Director
            ' Jefferson City, Missouri 65101
State Emergency Management Agency
        .c
. P.O. Box 116
  h
' Jefferson City, Missouri 65101
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. .  


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      Union Electric Company                                       -4-
Union Electric Company
-4-
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E-Mail report to D. Lange (DJL)
      E-Mail report to D. Lange (DJL)
E-Mail report to NRR Event Tracking System (IPAS)
      E-Mail report to NRR Event Tracking System (IPAS)
E-Mail report to Document Control Desk (DOCDESK)
      E-Mail report to Document Control Desk (DOCDESK)
E-Mail report to Richard Correia (RPC)
    '
'
      E-Mail report to Richard Correia (RPC)
E-Mail report to Frank Talbot (FXT)
      E-Mail report to Frank Talbot (FXT)
bec to DCD (IE01)
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bec distrib. by RIV:
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Resident inspector
      DRP Director                                   RIV File
DRP Director
      DRS Director                                   RITS Coordinator
RIV File
      Branch Chief (DRP/B)
DRS Director
      Project Engineer (DRP/B)
RITS Coordinator
      Branch Chief (DRP/TSS)
Branch Chief (DRP/B)
      DOCUMENT NAME: R:\_CW\CW911RP.JFM
Project Engineer (DRP/B)
      To receive copy of document, indicate in box: *C" = Copy without enclosures *E" = Copy with enclosures "N" = No copy
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      E-Mail report to Document Control Desk (DOCDESK)
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      E-Mail report to Richard Correia (RPC)
E-Mail report to Document Control Desk (DOCDESK)
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Latest revision as of 06:12, 4 December 2024

Forwards Insp Rept 50-483/99-11 on 990812-20.No Violations Noted.Team Found,Weakness in flow-accelerated Corrosion Monitoring Program Resulted in No Previous Insp of Pipe Segment Which Failed
ML20212G022
Person / Time
Site: Callaway 
Issue date: 09/22/1999
From: Johnson W
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION IV)
To: Randolph G
UNION ELECTRIC CO.
Shared Package
ML20212G027 List:
References
50-483-99-11, NUDOCS 9909290058
Download: ML20212G022 (5)
v • d • e


See also: IR 05000483/1999011

Text

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UNITED STATES

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NUCLEAR REGULATORY COMMISSION

.

E

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ls

REGION IV

611 RYAN PLAZA DRIVE, sulTE 400

,

, , , , , '

ARLINGTON, TEXAS 76011-8064

SEP 2 21999

Garry L. Randolph, Vice President and

Chief Nuclear Officer

Union Electric Company

P.O. Box 620

Fulton, Missouri 65251

SUBJECT: NRC SPECIAL INSPECTION REPORT NUMBER 50-483/99-11

Dear Mr. Randolph:

This refers to the special inspection conducted on August 12-20,1999, at the Callaway Plant.

The inspection focused on the causes, circumstances, and corrective actions associated with

the August 11,1999, rupture of a 6-inch drain line between a moisture separator reheater first

stage reheater drain tank and feedwater Heater 6B.

Following the event, operator performance in shutting down the unit was good. The team found

that a weakness in your flow-accelerated corrosion monitoring program resulted in no previous

inspections of the pipe segment which failed. The enclosed report presents the results of this

,

inspection.

!

In accordance with 10 CFR 2.790 of the NRC's " Rules of Practice," a copy of this letter, its

enclosure, and your response, if requested, will be placed in the NRC Public Document Room.

Should you have any questions concerning this inspection, we will be pleased to discuss them

with you.

Sincerely,

b

-

Wilh m D. Johnson, Chief

Project Branch B

Division of Reactor Projects

Docket No.:

50-483

I

License No.: NPF-30

Enclosure:

l,

NRC Inspection Report No.

I

50-483/99-11

9909290058 990922

PDR

ADOCK 05000483

G

PDR

1

L:

J

_

,_

.

Union Electric Company

-2-

1

. cc w/ enclosure:

Professional Nuclear Consulting, Inc.-

19041 Raines Drive

Derwood, Maryland 20855

John O'Neill, Esq.

Shaw, Pittman, Potts & Trowbridge

2300 N. Street, N.W.

Washington, D.C. 20037

~ H. D. Bono, Supervising Engineer

Quality Assurance Regulatory Support

Union Electric Company

P.O. Box 620 .

Fulton, Missouri 65251

Manager - Electric Department

Missouri Public Service Commission

301 W. High .

P.O. Box 360

Jefferson City, Missouri 65102

Ronald A. Kucera, Director

of Intergovernmental Cooperation

P.O. Box 176

Jefferson City, Missouri 65102

Otto L. Maynard, President and -

~ Chief Executive Officer

Wolf Creek _ Nuclear Operating Corporation

,

P.O. Box 411

!

' Burlington, Kansas 66839

Dan I. Bolef, President

! Kay Drey,-Representative

j

~ Board of Directors Coalition

i

for the Environment

!

6267 Delmar Boulevard

'

University City, Missouri 63130

. Lee Fritz, Presiding Commissioner

Callaway County Court House

10 East Fif th Street ,

Fulton, Missouri 65151'

i

i

1-

.,

n

. Union Electric Company'

-3-

Alan C. Passwater, Manager -

Licensing and Fuels

' AmerenUE

One Ameren Plaza

.1901 Chouteau Avenue

I

P.O. Box 66149 -

St. Louis, Missouri 63166-6149 --

J. V. Laux, Manager -

Quality Assurance

Union Electric Company

P.O. Box 620

' Fulton, Missouri 65251

Jerry Uhlmann, Director

State Emergency Management Agency

. P.O. Box 116

' Jefferson City, Missouri 65101

.c

h

. .

'

.

.

Union Electric Company

-4-

SrP 2 21999

,

E-Mail report to D. Lange (DJL)

E-Mail report to NRR Event Tracking System (IPAS)

E-Mail report to Document Control Desk (DOCDESK)

E-Mail report to Richard Correia (RPC)

'

E-Mail report to Frank Talbot (FXT)

bec to DCD (IE01)

bec distrib. by RIV:

Regional Administrator

Resident inspector

DRP Director

RIV File

DRS Director

RITS Coordinator

Branch Chief (DRP/B)

Project Engineer (DRP/B)

Branch Chief (DRP/TSS)

DOCUMENT NAME: R:\\_CW\\CW911RP.JFM

To receive copy of document, indicate in box: *C" = Copy without enclosures *E" = Copy with enclosures "N" = No copy

HO:ME

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09/9/99 U

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Union Electric Company

-4-

c~P 2 2 299

E Mail repcrt to D. Lange (DJL)

E-Mail report to NRR Event Tracking System (IPAS)

E-Mail report to Document Control Desk (DOCDESK)

E-Mail report to Richard Correia (RPC)

E Mail report to Frank Talbot (FXT)

l

l

bec to DCD (IE01)

bec distrib. by RIV:

Regional Administrator

Resident inspector

DRP Director

RIV File

DRS Director

91TS Coordinator

Branch Chief (DRP/B)

Project Engineer (DRP/B)-

Branch Chief (DRP/TSS)

DOCUMENT NAME: R:\\_CW\\CW911RP.JFM

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