ML20090B640

Annual Rept of Occupational Radiation Exposure & Safety & Relief Valve Failures & Challenges,1991

ML20090B640
Person / Time
Site:	Prairie Island
Issue date:	12/31/1991
From:	Parker T NORTHERN STATES POWER CO.
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
NUDOCS 9203040014
Download: ML20090B640 (6)

Text

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. Northem Staten Power Comparty 414 Nicottet Mall Minneapol4. Minnesota $$40119?7 Telephone (612) 330 tbOO February 26, 1992 Report Required by Technical Specification Sections 6.7 A.l.a. 6.7.A.1.b and 6.7.A,1.c OS Nuclear Regulatory Commission Attn: Document Control Desk Washington DC 20555 PRAIRIE ISLAND KUCLFAR GENERATING PLANT Docket No. 50 282 License No. DPR 42

$0 203 DPR 60 Annual Report of Occupational Radiation Exposure and Safety and Relief Valve Failures and Challenges January 1 Decettber 31. 1991 Attached are three reports for 1991:

1) Annual Report of Occupational Exposure (Required by Technical Specification 6.7.A.1.a)

2) Annual Report of Safety Valve and Relief Valve Failures and Challenges (Required by Technical Specification 6.7. A.1.b and NUREG 0737 Itern II.K 3.3)

3) Annual Primary Coolant Iodine Spike Report (Required by Technical Specification 6.7.A.I.c)

Please contact us if you have any questions regarding these reports.

f hl% in tv Thornas M Parker Manager Nuclear Support Services c: 4 . onal Administrator Ill, NRC W Project Manager, NRC Resident Inspector, NRC s E Silberg Attachments: 1. Occupational Exposure Report

2. Report of Safety / Relief Valve Failures and Challenges

3. Primary Coolant Spike Report \

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ATTACllMENT 1 '

i I PRAIRIE IS1AND NUCLEAR GENERATING PIANT ANNUAL REPORT OCCUPATIONAL EXPOSURE  !

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NORTHERN STATES POWER COMPANY

, Prairie Island Nuclear Generating Plant 1717 Wakonade Drive East Welch, MN 55089 License No. DPR-42/DPR-60 (Unit 1 and Unit 2)

Number of Personnel and Mnn-Rem by Work and Job Function 1991 Number of Persons > 0.100 Total Man-Rem Work & Job Function Station Utility Con &.ract Station Utility Contract Roactor Ops & Surv Operators 11 0 0 3.326 0.0 0.0 Maintenance 1 0 0 1.567 0.350 0.010 Supy & Engr 1 1 1 0.574 0.433 0.307 Health Physics _ 8 0 2 2.096 0.001 0.739 Instr & Control 0 0 0 0.338 0.0 0.0 Security 0 0 0 0.0 0.0 0.024 Routine Maintenance operators 0 0 0 0.011 0.0 0.0 Maintenance 4 5 0 1.392 2.539 0.014 Supy & Engr 1 0 0 0.692 0.033 0.102 Health Physics 0 0 0 0.029 0.0 0.016 Instr & Control 2 0 0 0.786 0.193 0.010 Security 0 0 0 0.0 0.0 0.0 Special Maintenance Operators 4- 0 0 1.396 0.0 0.0 Maintenance 15 48 11 4.121 19.007 3.743 Supy & Engr 2 2 4 1.000 0.770 1.055 Health Physics- 6 0 18 1.948 - 0.027 5.400 Instr & Control 2 0 0 0.520- 0.0 0.081 Security 0 0 0 0.0 0.0 0.0 Waste Processing operators- 0 0 0 0.124 0.0 0.0 Maintenance 6 0 0 1.900 0.099 0.0 Supy & Engr- O. 0 0 0.0 0.024 0.0 Health Physics 1 0 0 1.324 0.0 0.082 Instr & Control 0 0 0 0.0 0.0 0.0 Security 0 0 0 0.0 0.0 0.0 Refueling Operators 1 0 0 -0.782 0. 0- 0.0-Maintenance- '25 22 0 6.536 5.213 0.003 Supv & Engr 2 0 0 0.825 0.019 0.054 Health Physics . 0 0 1 0.035 0.001 0.370 Instr &-Control 0 0 0 0.0 0.0 0.0 Security 0 0 0 0.0 0.0 0.0

Ir1 service ~ Inspection l Operators 0 0 0 0.007 0.0 0.0 Maintenance 2 31 11 0.624 11.010 2.356 Supy & Engr 1 1 21 0.194 0.201 6.479 Ilealth Physics 0 0 9 0.014 0.028 1.041 Instr & Control 0 0 12 0.0 0.0 2.857 Sacurity 0 0 0 0.0 0.0 0.0 Unassigned Exposure 0.041 Sub totals Operators 16 0 0 5.646 0.0 0.0 Maintenance 53 106 22 16.220 37.944 6.134 Supv & Engr 7 4 26 3.293 1.400 0.797 Ilealth Physics 15 0 30 5.407 0.057 8.440 Instr & Control 4 0 12 1.644 0.193 2.940 Security 0 0 0 0.0 0.0 0.024 Grand Total 95 110 90 32.290 39.674 26.351 Total Dose 98.315

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-ATTACllHENT 2 i

, PRAIRIE ISLAND NUCLEAR CENERATING PLANT i

SAFETY / RELIEF VALVE TAILURES AND CitALLENGES r

1991 l I

i This report is inade in accordtoce with NUREG 0737, item II.K 3.3 and Prairie Island Technical Specification 6.7, A.1,b and covers the_ period of January 1, 1991 through December 31, 1991.

W Unit 1 - No failures or challenges Unit 2 - No failures or challenges r

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I ATTACllMENT 3 l'RAIRIE ISlAh "UCLEAll GENERATING l'1 ANT l'RIMARY COO! ANT 10 DINE SPIKE REl' ORT 1991 This report i s inade in accordance with Prairic Island Technical Specification 6.7.A.1.c and covers the period of January 1,1991 through Deceniber 31, 1991.

Prairie Island Technical Specification 3.1.D.1 was not exceeded during 1991.

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