ML20059C779

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Enforcement Conference Repts 50-277/93-27 & 50-278/93-27 on 931210.Areas Discussed:Safety Significance of Three Events Re Entry Into Controlled Areas W/O Satisfying Radiological Safety Requirements During Period of 931027-29
ML20059C779
Person / Time
Site: Peach Bottom  Constellation icon.png
Issue date: 12/20/1993
From: Bores R, Eckert L
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
To:
Shared Package
ML20059C760 List:
References
50-277-93-27-EC, 50-278-93-27, NUDOCS 9401060083
Download: ML20059C779 (24)


See also: IR 05000277/1993027

Text

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U. S. NUCLEAR REGULATORY COMMISSION

REGION I l

,

Enforcement Conference Report No. 50-277/93-27. 50-278/93-27

Docket Nos. 50-277. 50-278 ,

1

License Nos. DPR-44. DPR-56

Licensee: Philadelphia Electric Company (PECo)

Nuclear Gmup Headquaners

Corresoondence Control Desk ,

P. O. Box 195  ;

Wayne. Pennsylvania 19087-0195 {

Facility Name: Peach Bottom Atomic Power Station (PBAPS)

+

Enforcement Conference At: King of Pmssia. Pennsylvania '

,

Conference Conducted: December 10.1993 i

Prepared By: A 7 C/IC[93

L.Mken,# adiation

R Specialist . Date  !

Facilities Radiation Protection Section 4

Appmved By: l 4M#43

Dr. R. Boh, Chief Date

Facilities Radiation Protection Section

Conference Summary: A closed Enforcement Confemnce was held to discuss the safety

significance of three events pertaining to entry into controlled areas without satisfying all

radiological safety requirements during the period of October 27-29,1993. Although no

overexposure occurred, three apparent violations of regulatory mquirements were identified.

During the conference, the licensee's evaluation of the three apparent violations was '

,

discussed, along with the immediate and long-term corrective actions, and the licensee's '

perception of the appmpriateness of the apparent violations relative to criteria outlined in the i

NRC Enforcement Policy. The conference was attended by licensee management and staff

and by NRC management and staff.

i

9401060083 931222 '.  !

PDR ADDCK 05000277. ,

G PDR 3 '

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DETAILS

1.0 Licensee and NRC Personnel in Attendance ,

i

Attachment 1 to this conference repon identifies licensee and NRC personnel in attendance. t

I

2.0 Purpose of Conference

j

'

The purpose of the conference was to discuss the safety significance of three events

penaining to entry into controlled areas without satisfying all radiological safety

requirements. The events occurred during the period October 27-29,1993. Details of these

'

events are described in NRC Region I Combined Inspection Report Nos. 50-227/93-27, and

50-278/93-27. Also discussed during the conference were the licensee's evaluation of three i

apparent violations identified during the inspection, the licensee's investigation of these *

events, the immediate and long-term corrective actions, and the perception of the  !

appropriateness of the violations relative to criteria outlined in the NRC's Enforcement ,

Policy (10 CFR Pan 2, Appendix C). The conference was closed to the public.

l

3.0 NRC Comments  !

!

NRC management opened the conference by identifying the purpose of the conference,  :

describing the enforcement process, and presenting a summary of the event and the apparent l

violations. Attachment 2 to this conference report provides the conference agenda.

4.0 Licensee Comments  !

!

5

Licensee representatives provided: a description of the events, immediate and long-tenn

corrective actions, a summary of the internal evaluation of the events; and a brief overview 1

on their perspective concerning radiation worker practice discrepancies over the last two j

refueling outages. Attachment 3 to this conference report is a copy of the licensee's '

,

presentation.  !

!

q

5.0 NRC Summary

l

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NRC management closed the conference by informing the licensee that the infonnation *

provided would be used by NRC in determining an appropriate course of action. The . j

licensee was also infonned that NRC's decision in this regard would be communicated in

writing at a later date.

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A*ITACIIMENT 1

Licensee Attendees:

t

G. Edwartis Plant Manager

G. Gellrich Senior Manager Operations

' D. Goodell System Manager, Engineering

G. Haney Plant Equipment Operator

M. Kray Licensing Manager  ;

R. Moore Manager, Radiation Protection *

T. Niessen Director, Engineering  ;

G. Rainey Vice President, PBAPS -

R. Simpson Engineer, PBAPS Engineering  ;

D. Smith Senior Vice President, PECo j

A. Wasong Manager, Experience Assessment

NRC Attendees

C. Anderson Reactor Projects Section Chief 2B, DRP

P. Bonnet Resident Inspector, PBAPS, DRP

R. Bores Facilities Radiation Protection Section Chief, DRSS

L. Ecken Radiation Specialist, DRSS

R. Fernandes Reactor Engineer, DRP i

D. Holody, Jr. Enforcement Officer, ORA  ;

J.Joyner Facilities Radiological Safety and Safeguards Branch Chief, DRSS -;

L. Nicholson Acting Project Director, NRR  !

-'

W. Schmidt . Senior Resident Inspector, PBAPS, DRP

S. Shankman Deputy Dimctor, DRSS  ;

K. Smith Regional Counsel, ORA

'

E. Wenzinger Reactor Projects Branch Chief, Branch 2, DRP

Other Attendecs:

.r

H. Abendroth Atlantic City Electric Site Representative

K. Buddenbohn Delmarva Power

J. Carey, Jr. Public Service Eectric & Gas

S. Miangi Nuclear Engineer, Pennsylvania Bureau of Radiation Protection ,

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Agenda

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Peach Bottom Atomic Power Station

L Enforcement Conference

December 10,1993 -

.

,

'o introductory Remarks - D. M. Smith

'

'

Senior Vice President, Nuclear-

'

G. R. Rainey,

Vice President, Peach Bottom

o Discussion of Events - R. M. Moore, Manager, ,

Radiation Protection

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o Performance Assessment - G. D. Edwards, l

Plant Manager l

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o Regulatory Considerations - A. J. Wasong, Manager ,

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Experience Assessment '

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o Closing Remarks - D. M. Smith, l

Senior Vice President, Nuclear l

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EVENT 1 ,

[ Operator entry into a High Radiation

-

Area without an alarming dosimeter  :

.

- October 27,1993

  • Operator entered area for approximately 2  !

minutes to open three valves

s

  • HP Technician observed the operator leaving the ;

, area

  • The HP Technician questioned the: operator i

regarding HP coverage

.

  • Operator was familiar with the radiological l

conditions in the area  ;

,

.

"

  • Dose rate in area was60-120 mrem /br
  • Dose received by the Operator was

approximately Smrem

  • Operator perceived radiological consequences as

'

minimal

  • Operator failed to follow the Radiation Work

Permit instructions

I

  • HP Technician initiated an investigation

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EVENT 1

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Causal Factors 1

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  • Operator- rationalized that radiological '

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consequences were minimal  ;

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  • Perceived consequences for improper behavior

not considered significant .

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EVENT 2 i

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System Manager entry into a posted  ;

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High Radiation Area without an l

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alarm.ina dos.imeter

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October 28,1993  :

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leak ,

..

.

I

  • System Manager observed a large leak and ,

immediately reacted by climbing a scaffolding to

stop the leak

  • The leak created a situation that the System  ;

-

Manager thought required immediate corrective  !

actions  ;

i

!

System Manager was familiar with

'

.

  • the

-

radiological conditions in the area

l

  • The System Manager was in the area for I

approximately 2 minutes

  • Dose rate in the scaffold area was 40-60

mrem /hr

.

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EVENT 2  ;

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_ System Manager entry into a posted  :

,

High Radiation Area without an

_ alarming dosimeter

-

_

.

  • Dose received by the System Manager was  ;

approximately Smrem  ;

,

  • System Manager failed to follow the Radiation

_

Work Permit instructions and proper safety

~

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practices for climbing

,

  • Operations ~ self identified the situation and

y initiated an investigation

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EVENT 2

Causal Factors

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  • The System Manager became focused

on stopping the leak  ;

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EVENT 3 1

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Enaineer entry into a posted

Respiratory Protection Required Area ,

without authorization .

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October 29,1993

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,

  • Engineer was assigned to photograph valves and-

inspect insulation in the drywell

..

  • Engineer discussed the job with -the HP

Technicians

  • Valve insulation was recently removed in one of

the areas needing inspection

  • HP Technicians instructed the Engineer not to

enter the posted Respiratory Protection Area

until survey results were known

  • Engineer attempted to contact the .HP

,

Technician while in the area

  • HP Technician was busy at the control point

.

  • Engineer felt sufficient time had elapsed since

'

the insulation was removed, to dilute any

airborne activity

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EVENT 3 - -

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e Ena_ineer entry into a posted

.

.

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Respiratory Protection Required Area  !

without authorization 1

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,

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.

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  • Engineer failed to follow HP Technician

instructions and rad postings by entering the  !

'

area for approximately 1 minute to obtain a.

picture of valve  !

,,

  • Roving HP Technician noticed Engineer in the

posted area ,

-

,

!

  • HP Control Point Technician removed the

Engineer from the area

.  ;

-

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  • Air sample taken prior to the Engineer's entry l

showed subsequently that respiratory protection,

was not required  ;

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,

  • HP Technician initiated an event investigation

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EVENT 3 -

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Causal Factors

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  • Engineer rationalized that sufficie~nt time had

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elapsed to dilute any airborne contaminants >

  • Perceived consequences for improper behavior

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not considered significant

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EVENT 1,2,3  :

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immediate Corrective Actions

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  • NRC promptly notified

-

  • Formal investigations initiated
  • Individuals removed from controlled areas
  • Individuals received appropriate level of

disciplinary action

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a The significance of the events was  :

communicated to site personnel  !

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PERFORMANCE

ASSESSMENT

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  • Rad Protection Program Status

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  • Personnel performance

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  • Management actions

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Rad Protection

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  • Exposure reduction

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  • Respirator use reduction  !

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PEACH BOTTOM ATOMIC POWER STATIC.N I

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PCR HISTORY

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1988 1989 1990 1991 1992 1993  :

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DATA AS OF 12/06/93

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RESPIRATOR USE 1988 993

Thousands

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1988 1989 1990

1991

1992

& 1993

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1993 Rad Protection <

Program In.t. i ia tives  ;

.

P

t

,

  • Strengthened HP Management Team
  • Increased supervisory oversight

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  • Technician NRRPT certification

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  • Increased rad worker awareness and )

enforcement

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PERSONNEL

PERFORMANCE

  • Previous improvement initiatives concentrated

on program enhancements

  • Improvement occurred but programmatic

solutions cannot resolve all issues

t

  • As programmatic issues decreased personnel

performance issues became more evident

,

  • Continued improvement requires emphasis on

resolving personnel performance issues

1

4

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,

MANAGEMENT

'

ACTION .

b

  • Step Up Plan developed

>

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f

  • Clear performance expectations established

?

  • Increased performance monitoring by

supervision instituted

  • Emphasis on personal accountability .
  • More reinforcement of good performance

.

  • Greater consequences associated with poor  ;

performance l

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Regulatory

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  • Mitigating factors for individuals

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  • Mitigating factors for licensee  !

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_. _ . . _ . __

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MITIGATING .

FACTORS FOR  :

INDIVIDUALS i

L

  • Non-supervisory, Non-Licensed Personnel
  • No history of non-compliance with radiological  :

requirements

  • Cooperated fully with investigations l
  • Minimal personal benefit
  • No malicious intent involved

.

  • Perceived radiological consequences were low
  • Actual safety significance was minimal
  • Individuals accepted responsibility for their

actions and communicated lessons learned to  !

peers )

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  • Appropriate disciplinary action taken l

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..

.

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MITIGATING

FACTORS FOR

LICENSEE  :

!

,

  • Licensee Identified
  • Events promptly reported to NRC
  • Investigation and Corrective Action initiated by

licensee s

  • Root Cause Analysis was comprehensive
  • Appropriate radiological control existed

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  • Worker training was adequate

2

  • Short time between events limited opportunity l

to prevent recurrence

  • Low radiological safety significance I
  • Appropriate remedial action taken
  • Plan to improve personnel performance was

under development when events occurred ,

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