ML20203C405

1998 Annual Reports for Sequoyah Nuclear Plant. with

ML20203C405
Person / Time
Site:	Sequoyah
Issue date:	12/31/1998
From:	Salas P TENNESSEE VALLEY AUTHORITY
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
NUDOCS 9902110446
Download: ML20203C405 (8)

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Tennessee VaDey Authority. Post Othce Box 2000. Soddy-Daisy. Tennessee 37379 i

February 3, 1999 U.S. Nuclear Regulatory Commission ATTN:

Document Control Desk Washington, D.C.

20555 i

Gentlemen:

In the Matter of

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Docket Nos. 50-327 Tennessee Valley Authority

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50-328 SEQUOYAH NUCLEAR PLANT (SON) - 1998 ANNUAL REPORTS j

Enclosed are the 1998 Annual Reports for SON.

These reports contain a summary of the following items:

occupational exposure data and the reactor coolant system specific activity analysis.

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These reports are being submitted to satisfy the requirements l

of Technical Specifications 6.9.1.4 and 6.9.1.5.

Please direct questions concerning this submittal to me at (423) 843-7170 or J.

D. Smith at (423) 843-6672.

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Licensing and Industry Affairs Manager Enclosure g

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See page 2

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U.S.

Nuclear Regulatory Commission Page 2

' February 3, 1999.

cc (Enclosure):

Mr. R. W.

Hernan, Project Manager l

Nuclear Regulatory Commission i

One White Flint, North i

11555 Rockville Pike l

Rockville, Maryland 20852-2739 NRC Resident Inspector l

Sequoyah Nuclear Plant 2600 Igou Ferry Road i

Soddy-Daisy, Tennessee 37379-3624 t

Regional Administrator U.S.

Nuclear Regulatory Commission l

Region II Atlanta Federal Center 61 Forsyth St.,-SW, Suite 23T85 i

Atlanta, Georgia 30303-3415 REIRS Project Manager Office of Nuclear Regulatory Research j

U.S. Nuclear Regulatory Commission j

Washington, D.C. 20555 l

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TENNESSEE VALLEY AUTHORITY i

.dQUOYAH NUCLEAR PLANT l

i UNITS 1 AND 2 i

ANNUAL REPORTS TO THE NUCLEAR REGULATORY COMMISSION i

JANUARY 1 - DECEMBER 31, 1998

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DOCKET NUMBERS 50-327 AND 50-328 LICENSE NUMBERS DPR-77 AND DPR-79 I

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SEQUOYAH NUCLEAR PLANT 1998 ANNUAL REPORTS l

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TABLE OF CONTENTS ti Page i

Overview..................................... 1 Occupational Exposure Data...................2 i

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SEQUOYAH NUCLEAR PLANT (SQN)

. UNITS 1 AND 2 1998 ANNUAL REPORTS

{

r OVERVIEW i

i Occupational' Exposure Data Enclosed is the exposure data for personnel at SQN that received greater than 100 millirem between January -1 and December 31, 1998.

l Exposure data for:special maintenance is based on the following j

activities:

• Unit 1 Primary Water Storage Tank Cleanout /Sparger Replac. ment

.j Unit 2 Primary Water Storage Tank Cleanout /Sparger Repla.e.aen' l

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• Furmanite of Valve No.62-665 Thermo-Lag Upgrade Throughout the Plant I

Excavation'of Contaminated Soil and Asphalt in the Yard Outside

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Unit 2 Upper Head Injection Room 1

Remove / Replace the IB-B Containment Spray Heat. Exchanger Unit l' Leak Inspections (Lower Containment) i l_

10-Year Inspection of NUREG-0612 Lifting Devices

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e Reactor Coolant Pump. (RCP). Articulated Arms l

. Essential Raw Cooling Water (ERCW) Piping Replacement Hanger Modifications i

e Valve Modifications-

• Unit 11 Ice Condenser Modifications

• Electrical Penetrations Modifications l

RCPs - Carbon Steel Springs / Hold-Down-Pin Inspections

' Pressurizer Manway-Repair / Leak Recovery-Unit 2 Snubber Leak at' Loop No.~4

- RCS Specific Activity Analysis (Specific. Iodine Isotopic Activity Concentration and/or DEI-131 Determination)

During 1998, there were no specific iodine activity results of Unit 1 or Unit 2 RCSs exceeding'the limits of Technical Specification (TS) -3.4.8.a (0.35 mci /gm) during either power operation or reactor shutdown and/or start-up.

This limit was l

reduced from 1.0 mci /gm during 1998 by Amendments 237 and 227 for

= Units.1 and 2, respectively.

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REXPR219.

TENNESSEE VALLEY AUTHORITY RUN DATE: 01-07 SON RADIATION EXPOSURE SYSTEM RUN TIME: 13:35:51 NUMBER OF PERSONNEL AND MAN-REM BY WORK JOB FUNCTION TOTAL NUMBER OF INDIVIDUALS NUMBER OF PERSONNEL (> 100 M-REM)

TOTAL MAN-REM MO= REACTOR OPS SURVEILLANCE-GROUP STATION UTILITY CO*STRACT TOTAL STATION UTILITY CONTRACT TOTAL EMPLOYEES EMPLOYEES AND OTHERS PERSONS EMPLOYEES EMPLOYEES AND OTHERS M-REMS MAINTENANCE PERSONNEL 35 2

48 85 1.202 0.001 0.923 2.126 OPERATING PERSONNEL 32 1

4

- 37 4.003 0.114 0.246 4.363 NEALTM PHYSICS PERSONNEL 42 5

45 92 6.324 0.509 6.539 13.372 SUPERVISORY PERSONNEL.

3 2

0 5

0.012-0.094 0.000 0.106 ENGINEERING PERSONNEL 15 4

1 20 1.467 0.192 0.000 1.659 MO 127 14 95 239 13.005 0.910 7.705 21.626 M0= ROUTINE MAINTENANCE GROUP STAft0N UTILITY CONTRACT TOTAL STATION UTILITY CONTRACT

~ TOTAL EMPLOYEES EMPLOYEES AND OTHERS PERSONS EMPLOYEES EMPLOYEES AND OTHERS M-REMS MAINTENANCE PERSONNEL 80 4

302 386 14.694 0.302 52.022 67.018 OPERATING PERSONNEL 39 2

4 45 2.360 0.192 0.226 2.778 HEALTH PHYSICS PERSONNEL 47 4

45 96 9.566 0.0 73 5.556 15.195 g

SUPERVISORY PERSONNEL 14 3

0 17 0.745 0.264 0.000 1.009 bJ ENGINEERING PERSONNEL 16 5

19 40 1.287 0.010 0.637 1.934 MO 196 15 3T0 554 25.652 0.841 55.441 57.934 MostN-SERVICE INSPECTION GROUP STATION UTILITY CONTRACT TOTAL STATION UTILITY CONTRACT TOTAL EMPLOYEES EMPLOYEES AND OTr5RS PERSONS EMPLOYEES EMPLOYEES AND OTHERS M-REMS MAINTENANCE PERSONNEL 18 0

88 106 2.672 0.000 9.848 12.520 CPERATING PERSONNEL 7

0 2

9 0.966 0.000 0.066 1.032 HEALTH PHYSICS PERSONNEL

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39 69 1.876 0.007 4.543 6.426 SUPERVISORY PERSONNEL 9

2 0

11 4.981 0.448 0.000 5.429 ENGINEERING PERSONNEL 7

5 83 95 1.566 1.501 27.015 30.082 MO 65 10 212 290 12.061 1.953 41.472 55.459 M0 ESPECIAL MAINTENANCE GROUP STATION UTILITY CONTRACT TOTAL STATION UTILITY CONTRACT TOTAL EMPLOYEES EMPLOYEES AND OTHERS PERSONS EMPLOYEES EMPLOYEES AND OTHERS M-REMS l

MAINTENANCE PERSONNEL 44 0

217 261 2.248 0.000 30.442 32.690 l

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'REMPR219 TENNESSEE VALLEY AUTH0RITY RUN DATE: 01-07-99 SGW RADIATION EXPOSURE SYSTEM RUN TIME: 13:35:51 NUMBER OF PERSONNEL AND MAN-REM BY WORK JOB FUNCTION TOTAL NUMBER OF INDIVIDUALS NUMBER OF PERSONNEL (> 100 M-REM)

TOTAL MAN-REM LOPERATING PERSONNEL 15 1

3 19 0.229 0.001 0.093 0.323 HEALTH PHYSICS PERSONNEL 34 3

21 58 1.885 0.259 1.121 3.265

$UPERVISORY PERSONNEL 6

1 0

7 0.220 0.050 0.000 0.270.

ENGINEERING PERSONNEL

'8 0

12 20 1.202 0.000 0.253 1.455 MO 107 5

253 365 5.754 0.310 31.909 35.003.

M0= WASTE PROCESING GROUP STATION UTILITY CONTRACT TOTAL STATION UTILITY CONTRACT TOTAL EMPLOYEES EMPLOYEES AND OTHERS PERSONS EMPLOYEES EMPLOYEES AND OTHERS M-REMS MAINTENANCE PERSONNEL 34 0

30 64 0.289 0.000 0.553 0.842 OPERATING PERSONNEL 3

0 0

3 0.004 0.000 0.000 0.004 HEALTH PHYSICS PERSONNEL 36 2

19 57 1.523 0.003 2.182 3.708 SUPERVISORY PERSONNEL 0

0 0

0 0.000 0.000 0.000 0.000 ENGINEERING PERSONNEL 0

0 0

0 0.000 0.000 0.000 0.000 MO 73 2

49 124 1.516 0.003

2. 735 4.554 5

M0= REFUEL GROUP STATION UTILITY CONTRACT TOTAL STATION UTILITY CONTRACT TOTAL I

EMPLOYEES EMPLOYEES AND OTHERS PERSONS EMPLOYEES EMPLOYEES AND OTHERS M-RENS MAINTENANCE PERSONNEL 24 2

55 81 2.732 0.101 8.961 11.794 OPERATING PERSONNEL 7

0 3

to 0.043 0.000 0.700 0.743 HEALTH PHYSICS PERSONNEL 21 1

17 39 0.721 0.000 0.440 1.161 SUPERVISORY PERSONNEL 6

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7 2.028 0.284 0.000 2.312 ENGINEERING PERSONNEL 3

1 22 26 0.022 0.007 9.883 9.912 MO 61 5

97 163 5.546 0.39 19.954 25.922 m_ss====

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-632 54 1079 1765 66.867 4.412 162.249 233.528

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REXPR219' TENNE 55EE ' VALLEY AUTH0RITY.

RUN DATE: 01-07-99 SON RADIATION EXPOSURE SYSTEM RUN TIME: 13:35:51 NUM9ER OF PERSONNEL ANO MAN-REM SY WORK JOB FUNCTION TOTAL NUMBER OF INDIVIDUALS NUMsER OF PERSONNEL (> 100 M REM)

TOTAL MAN-REM GROUP STATION UTILITY-CONTRACT TOTAL STATION UTILITY CONTRACT TOTAL EMPLOYEES EMPLOYEES AND OTHERS PERSONS EMPLOYEES EMPLOYEES-AND OTHERS M-REMS MAINTENANCE PERSONNEL 235 8

- 74D 983 23.837 0.404 102.749 126.990 OPERATING PERSONNEL 103 4

16-123 7.605 0.307 1.331 9.243 HEALTH PHYSICS PERSONNEL 207 18 186 411 21.895 0.851 20.381 43.127 SUPERVISORY PERSONNEL 38 9

0 47-7.986 1.140 0.000 9.126 ENGINEERING PERSONNEL 49 15 137 201 5.544 1.710 37.788 45.042

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632 54 1079 1765 66.867 4.412 162.249 233.528' a

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