ML20040C608

Annual Progress Rept of Univ of Fl Training Reactor,Sept 1980-Aug 1981

ML20040C608
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Site:	05000083
Issue date:	11/30/1981
From:	Diaz N FLORIDA, UNIV. OF, GAINESVILLE, FL
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ORO-4014-11, NUDOCS 8201290077
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!I ANNLAL PROGRESS REPORT

!I ofthe ll Universityof Florida Training Reactor ll September 1,1980-August 31,1981 1jl Iil i

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I-Is39 lI Engineering EIndustrial Experiment Station ll Nuclear Facilities Division DEPARTMENT OF NUCLEAR ENGINEERING SCIENCES J

j COLLEGE OF ENGINEERING ll UniversityofFlorida Gainesville j

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Contract # EY-76-S-05-4014 Report #

OR0-4014-ll I

I ANNUAL PROGRESS REPORT OF THE UNIVERSITY OF FLORIDA TRAINING REACTOR g

SEPTEMBER 1, 1980 - AucusT 31, 1981 I

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Submitted to the Department of Energy Nuclear Regulatory Conmission and University of Florida I

By Nils J. Diaz Professor and Director of Nuclear Facilities and Anthony W. Marvin Reactor Supervisor Department of Nuclear Engineering Sciences College of Engineering l

University of Florida Gainesville, Florida November, 1981 I

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TABLE OF CONTENTS I

Page Number I.

INTRODUCTION I

I II. UNIVERSITY OF FLORIDA PERSONNEL ASSOCIATED WITH THE REACTOR 2

III. FACILITY OPERATION 4

IV. MODIFICATIONS TO THE OPERATING CHARACTERISTICS OR CAPABILITIES OF THE UFTR 11 V.

SIGNIFICANT MAINTENANCE AND TESTS OF REACTOR SYSTEMS 12 VI. CHANGES TO TECHNICAL SPECIFICATIONS AND STANDARD OPERATING PROCEDURES 15 VII. RADI0 ACTIVE RELEASES AND ENVIRONMENTAL SURVEILLANCE 16 VIII. EDUCATION, RESEARCH AND TRAINING UTILIZATION 19 IX. THESES, PUBLICATIONS, REPORTS AND ORAL PRESENTATIONS OF WORK RELATED TO THE USE AND OPERATION OF THE UFTR 22 I

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INTRODUCTION I

The University of Florida Training Reactor's overall utilization increased by almost 1007. over the previous two years, with the facility utilization time returning to its historical level. The energy generation, however, is still quite below average output although significantly higher than last year.

An analysis of the facility utilization shows that essentially all of the increase is due to educational and training uses. The use by University of Florida Courses and Laboratories more than doubled over the previous year and four training programs were conducted for nuclear utilities (Florida Power Corporation and Louisiana Power & Light).

Research utilization was essen-tially unchanged and remains at very low level.

The facility administration has been strengthened by the addition of a Reactor Supervisor, responding to the Director of Nuclear Facilities. The new Final Safety Analysis Report and Physical Security Plan for the UFTR were submitted to the NRC during this reporting period.

It is expected that the reactor staff will be able to dedicate themselves to enhancing

.I the facility utilization since the large administrative work load should decrease sionificantly with the FSAR and PSP submittals.

The UFTR continues to operate with an outstanding safety record and in full compliance with regulatory requirements. The reactor and associated facilities continue to maintain a high in-state visibility and strong industry relationship through its multiple educational and training programs.

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I II.

UNIVERSITY OF FLORIDA PERSONNEL ASSOCIATED WITH THE REACTOR A.

Personnel Employed by the UFTR N. J. Diaz

- Professor and Director of Nuclear Facilities A. W. Marvin

- Reactor Supervisor H. Gogun

- Senior Reactor Operator (full-time)

G. Fogle

- Reactor Operator (full-time)

M. Constable

- Student Reactor Operator (1/2 time)

5. Jaffe

- Student Reactor Operator (1/3 time)

B.

Other Licensed Operators G. R. Dalton

- Professor and Senior Reactor Operator, Nuclear Engineering Sciences Department (License expired Feb.,1981, not renewed)

C.

Radiation Control Office T. J. Bauer

- Radiation Control Officer (Aug. 80 - May 81)

H. G. Norton

- Radiation Control Technician (Sept. 80-81)

- Acting Radiation Control Officer (May 81 - Aug. 81)

G. R. Renshaw

- Radiation Control Technician G. McCranie

- Radiation Control Technician W. Coughlin

- Nuclear Technician (1/2 time)

D. Coffee

- Nuclear Technician (1/4 time)

A. Johnson

- Nuclear Technician (1/4 time) 1 M. Grote

- Nuclear Technician (1/4 time)

B. McCully

- Nuclear Technician (1/4 time)

D.

Reactor Safety Review Subcomittee G. R. Dalton

- Chairman I

N. J. Diaz

- Member A. M. Jacobs

- Member M. J. 0hanian

- Member W. E. Bolch

- Member T. Bauer

- Member (Aug. 80 - May 81)

H. G. Norton

- Member (May 81 - Aug. 81)

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Line Responsibility for the UFTR Administration R. Q. Marston

- President, University of Florida W. H. Chen

- Dean, College of Engineering I.

A. M. Jacobs

- Chairman, Department of Nuclear Engineering Sciences N. J. Diaz

- Director of Nuclear Facilities A. W. Marvin

- Reactor Supervisor F.

Line Responsibility for the Radiation Control Office R. Q. Marston

- President, University of Florida W. E. Elmore

- Vice President, Administrative Affairs B. G. Dunavant

- Director, Environmental Health and Safety T. J. Bauer

- Radiation Control Officer (until May 81)

H. G. Norton

- Radiation Control Officer (from May 81) i E

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4 III. FACILITY OPERATION I

The UFTR experienced a doubling of its overall utilization when compared to the last two years of use. The change is attributed to increases in UF course work and industry educational and training programs.

Research programs and irradiations continue to be at minimal levels.

It is expected that the decision to develop the Nuclear Activation Analysis program will improve both research and comercial irradiation utilization.

The level of administrative work dedicated to regulatory activities should be reduced to a more manageable effort this upcoming year. The facility should receive its new operating license in the very near future since all regulatory requirements have been satisfied.

Shown in Table I is a summary of the reactor utilization for this report-ing period. The list categorizes the twenty-six different research projects, teaching and training activities. The total reactor run-time was about 604 hours0.00699 days <br />0.168 hours <br />9.986772e-4 weeks <br />2.29822e-4 months <br /> and the experiments used over 890 hours0.0103 days <br />0.247 hours <br />0.00147 weeks <br />3.38645e-4 months <br /> of facility time.

Table II sumarizes the different categories of reactor utilization:

university teaching, research and UFTR operator's training and requalification, comercial utilization (utility training program), testing and surveillance, and demonstrations. The research utilization consisted of four projects using about 65 hours7.523148e-4 days <br />0.0181 hours <br />1.074735e-4 weeks <br />2.47325e-5 months <br /> of reactor run-time. The teaching and training use doubled from the level of the previous two years.

Detailed in Table III are the monthly and total energy generation, as well as the hours at full-power per month and total this year. The UFTR generated 15.2 Mw-brs during this period.

Described in Table IV are the reasons and dates for unscheduled shutdowns for the reporting period. No reportable incident occurred during this year.

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No uncontrolled releases of radioactivity have occurred from the facility and controlled releases are well within established limits. The personnel radiation doses were minimal and averaged well under 3% of the allowable dose. Environmental radioactivity surveillance continues to show no detectable off-site dose from the facility.

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6 TABLE I

SUMMARY

OF FACILITY UTILIZATION (September 1980 - August 1981)

NOTE: The projects marked with a

• indicate irradiations or neutron activa-tions. The projects marked with an ** indicate training use. The I

projects marked with a *** indicate demonstrations of reactor opera-tions.

" Utilization Time" is total time that the facility dedicates to a particular use, it includes "Run Time." "Run Time" is inclusive time from reactor startup to shutdown.

UTILIZATION RUN TIME TIME PROJECT AND USER TYPE OF ACTIVITY (hours)

(hours)

• • • ENt' 3002 - Dr. J. Wethington Operation Demonstration 3.34 2.3 I

• • • ENU 4104 - Dr. H. Campbell Introduction to Nuclear Engineering II 1.83 0.58

• • ENU 4505 - Dr. W. Ellis Engineering Lab 29.42 20.89 ENU 4612/ - Dr. W. Ellis Instrument lecture and 5615 Reactor Operations 6.69 2.46 ENU 4905 - Dr. N. Diaz Reactor Operations Course 101.05 60.31

• • • ENU 6005 - Dr. J. Wethington Operation Demonstration 1.00

.42

• • ENU 5176 - Dr. N. Diaz Reactor Operations Course 95.69 62.34 H. Gogun Reactor Staff ENU 6516L - Dr. W. Vernetson Danger Coefficient Experi-I ment, Determination of Resonance Integral 6.13 5.17 l

ENU 6515L - Dr. W. Ellis NAA of Foils, Delayed Neu-tron Studies, Angular Cor-relation Analysis 11.79 6.36 Dr. G. Roessler NAA of Pottery Samples and Standards 47.03 38.98 Dr. G. Roessler NAA of Biological Samples 1.73

.95

'I Dr. H. Plendl, F.S.U.

Neutron Irradiation of Crystals 17.03 12.95 Dr. W. Ellis, Dr. W. M.

NAA of Biological Samples-12.04 11.42 l

Goldberg,(F.I.U.)

l ENV 6932 - Dr. B. Danavant Area Monitor Calibration 1.55 ENV 6932 - Dr. B. Dunavant Area Surveys 2.50 2.50

• • • ENU 4201 - Dr. G. Roessler Reactor Lecture 1.00 i

T. Bauer Radioisotopes Technology l

Short Course 1.00 0.5 I

7 UTILIZATION RUN TIME TIME PROJECT AND USER TYPE OF ACTIVITY (hours)

(hourM

• • T. Bauer Basic Radiological Health Short Course 4.00

• • T. Bauer Radiation Short Course Operational Demonstration 1.00 1.00

• • Louisiana Power & Light Co.

I Dr. N. Diaz and Reactor Staff NRC License Training 221.38 171.47

• • Florida Power Corporation, Dr. N. Diaz and Reactor Staff NRC License Training 125.9 99.64 I

• • Florida Power Corporation Dr. H. Diaz and Reactor Staff STA Training Program 50.03 37.33 M. McCoy, G. Fogle, H. Gogun Argon 41 Measurements 9.53 9.3 H. Gogun, G. Fogle, S. Jaffe, UFTR Testing and Calibra-M. Constable tion 7.56 6.72

• • Reactor Operators NRC Requalification Train-ing Requirements 10.15 2.53

• • H. Gogun, G. Fogle, Operator Training ?;erators for NRC I

Training License on UFTR 98.76 43.82

• • • Reactor Tours and Demonstra-Orientation, Lectures and tions Operation Demonstrations 20.86 3.71 TOTAL 889.99 603.65 I

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TABLE II UFTR UTILIZATION

SUMMARY

Utilization Tine Run Time (hours)

(hours)

UF Courses and Laboratories 267.99 164.83 Research Activities 77.83 64.3 UFTR Operator Training and Requali-fication 108.91 46.35 l

UFTR Testing and Surveillance

• 17.09 16.02 Commercial Utilization (Utility Operator and STA training) 397.31 308.44 Reactor Tours and Demonstrations 20.86 3.71 TOTAL 889.99 603.65 I

• Console checkouts excluded.

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TABLE III I

MONTHLY REACTOR ENERGY GENERATION Monthly Hours at Full Totals Kw-Hrs Power September 1980 804.77 7.25 October 1980 696.95 6.93 November 1980 390.51 3.93 December 1980 73.86 0.7 January 1981 196.75 1.97 February 1981 730.26 3.97 March 1981 942.04 8.3 April 1981 1,360.34 5

11.62 May 1981 2,608.46 22.63 June 1981 5,949.32 57.12 July 1981 1,263.98 12.63 August 1981 183.39 1.83 TOTAL 15,200.63 138.88 I

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TABLE IV UNSCHEDULED SCRAMS I

Date Occurrence I

October 28, 1980 Electrical Transient I

December 2, 1980 Operation of FM I

Transmitter in Control Room Caused Low Flow Scram.

I February 19, 1981 Operator Error.

I Inadvertently Inter-rupted Console Power.

I June 17, 1981 Power Failure I

June 27, 1981 High Voltage Power Supply Failure.

July 13, 1981 Power Failure I

July 16, 1981 Electrical Transient I

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I IV. MODIFICATI0flS TO THE OPERATING CHARACTERISTICS OR CAPABILITIES OF THE UFTR I

No significant modificaticns to the operating characteristics were done during the reporting period.

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V.

SIGhlFICANT MAINTENANCE AND TEST OF REACT 0F: SYSTEMS I

Date Description 4 September, 1980 Changed ceramic filter in shield tank recirculating system 11 September, 1980 Reactor cell overhead lamps replaced 16 September, 1980 Replaced 6 volt battery in 12 volt power supply on Radiation Monitoring System 22 September, 1980 Replaced demineralizer cartridge in shield tank recirculating system I

4I 23 September, 1980 S-4 measurement of Stack Ar concentration 24 September, 1980 A-1 measurement of stack flow rate 26 September, 1980 Filled south wall trench with concrete and capped three inch through-pipe 29 September,1980 S-1 measurement of blade drop times 6 October, 1980 Changed resin in portable demineralizer 20 October, 1980 Replaced well pump fuses 27 October, 1980 Q-1 quarter'.y scram checks 29 October, 1980 S-2 blade worth measurements 30 October, 1980 Replaced batteries in security system control unit 4I 20 November, 1980 S-4 determination of Ar in stack effluent 26 November, 1980 Q-2 area monitors calibration check 26 November, 1980 Replaced V-belts on diluting fan 1 December, 1980 Completed replacement of city water piping in reactor building 10 December, 1980 Adjusted pipe hangers 12 December, 1980 Q-3 Evacuation Drill I

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Date Description I

12 December, 1980 Replaced shield tank recirculating pump power plug 17 December, 1980 Portal monitor relocated outside of air lock.

Two pen recorder modified for installation of source monitor alarm.

5 January, 1981 Made up to primary coolant tank.

28 January, 1981 Made up to shield tank 28 January, 1981 Q-1 Quarterly scram checks 17 February, 1981 Q-2 Area Monitor calibration checks 17 February, 1981 Completed fuel pit monitoring system 1 March, 1981 Replaced nixie board on Safety #3 3 March, 1981 Replaced 60 amp fuse on well pump 5 March, 1981 North Area Monitor recorder failed.

Cleaned electrical contacts.

6 March, 1981 Replaced ink pads on temperature recorder 7 March, 1981 Replaced motor bearings on APD, overhauled air pump 11 March, 1981 Replaced 60 amp well pump fuses 11 March, 1981 Replaced chart platen drive belt on 2 pen nuclear recorder 16 March, 1981 Replaced 4 magnetic clutch indicating I

lamps 23 March, 1981 S-1 Control blade drop time measurement 24 March, 1981 Replaced air conditioning system filters 27 March, 1981 Q-3 Radioloigcal Emergency Drill 30 March, 1981 Replaced and relocated sensing lines for vent flow monitoring 9 April, 1981 Replaced Rupture Disk 9 April, 1981 Replaced the vacuum tubes in temperature I

recorder 20 April, 1981 A-1 Calibration of nuclear instruments and calorimetric heat balance I

14 Date Description 29 April, 1981 Q-1 Scram checks 29 April, 1981 Q-2 Area monitor calibration checks 11 May, 198 S-2 Reactivity check of control blades 15 May, 1981 Changed resins in portable demir.ieralizer 23 May, 1981 Adjusted striker en East area monitor recorder 2' June, 1981 Cleaned area monitor meter faces 22 June, 1981 Cleaned electrical contacts on North area monitor connections 23 June, 1981 Replaced Rupture Disk 27 June, 1981 Replaced Safety Channel #2 high voltage power supply 1 July, 1981 Installed training scram control 6 July, 1981 Removed training scram control 8 July, 1981 Repaired nuclear recorder 15 July, 1981 Changed batteries in security system control unit 16 July, 1981 Made up to shield tank 21 July, 1981 Repaired motor in nuclear recorder 21 July, 1981 Q-2 Area monitor calibration check 28 July, 1981 Q-1 Quarterly scram checks 31 July, 1981 Q-3 Emergency Drill 3 August, 1981 Performed maintenance on nuclear recorder 14 August, 1981 Repaired ADD chart drive motor 27 August,1981 Replaced ceramic filter in shield water system I

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c 15 VI. CHANGES TO TECHNICAL SPECIFICATIONS AND STANDARD OPERATING PROCEDURES A.

There were no changes to the Technical Specifications during this reporting period.

B.

Revisions to Standard Cperating Procedures l

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UFTR-50P-A.2 - Reactor Startup a.

Page 1 Rev. 7, 9/81 l

b.

Page 2 Rev. 7, 9/81

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Page 3 Rev. 7, 9/81 d.

Page 4 Rev. 7, 9/81

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Page 5 Rev. 7, 9/81 f.

Page 6 Rev. 7, 9/81 2.

UFTR-50P-A.3 - Reactor Operation at Power a.

Page 1 Rev. 6, 10/80 lI b.

Page 3 Rev. 7, 9/81 c.

Page 4 Rev. 7, 9/81 3.

UFTR-50P-A.4 - Normal Reactor Shutdown a.

Page 1 Rev. 6, 9/81 4.

UFTR-SOP-A.6 - Operation of Secondary Water System a.

Page 1 Orig., 9/81 b.

Page 2 Orig.,9/81 5.

UFTR-50P-D.2 - Radiation Work Permits a.

Page 1 Rev. 7, 8/81 I

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VII. RADI0 ACTIVE RELEASES AND ENVIRONMENTAL S'JRVEILLANCE A.

Gaseous (Argon-41)

I Month uCi Released Concentration 6

-12 September 1980 3.5 x 10 Ci/ Mon 5.6 x 10 uCi/ML 6

4.8 x 10~9 October 1980 3.1 x 10 November 1980 1.74 x 10 2.7 x 10-10 6

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5.16 x 10-II December 1980 3.29 x 10 1.38 x 10-10 o

January 1981 8.57 x 10 6

5.1 x 10-10 o

February 1981 3.2 x 10 6

6.58 x 10-10 o

March 1981 4.2 x 10 April 1981 6.06 x 10 9.5 x 10-10 6

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1.82 x 10~9 May 1981 1.16 x 10 7

-9 June 1981 2.72 x 10 4.26 x 10 6

8.84 x 10-10 o

July 1981 5.63 x 10 5

1.28 x 10-10 o

August 1981 8.17 x 10 TOTAL ARG0N-41 RELEASED = 68.23 Ci B.

Liquid Waste From The UFTR/ Nuclear Sciences Complex

• l There were 1,060,000 liters discharged to the campus sanitary sewage system during this reporting period.

Month pCi/ml8 NDA**

September 1980 November 1980 NDA December 1980 NDA 2 x 10-8 January 1981

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.I Month pCi/m1B February 1981 NDA April 1981 NDA July 1981 NDA August 1981 NDA

• The effluent discharged into the holding tanks comes from twenty laboratories I

within the Nuclear Sciences Center as well as the UFTR complex.

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• • NDA - No detectable activity, MDA = 2.4 x 10 pCi/ml The UFTR normally releases approximately 1.5 liters of primary coolant per week for this coolant was 2.85 x 10'g from primary sampling. The average activity to the holding tank due to wast pCi/ml for the reporting period.

There were two releases of primary coolant to the holdup tank during the reportjng period. The first., on April 9,1981, was approximately 55 liters at 1.35 x 10~ -6 uCi/ml. The second, on June 23, 1981, was approximately 77 liters at 4.65 x 10 pCi/ml. This activity was diluted and decayed to a level of NDA before release to the environment.

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.I Environmental Monitoring.

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.The UFTR maintains film badge monitoring in areas adjacent to the UFTR complex.

The following are the total for this reporting period, September 1980 through August 1981.

Badge Location Total Exposure Al 130 I

A2 50 A3 10 A4 M*

AS M

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A7 M

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• Minimal I

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D.

I Personnel Radiation Exposure The following is a list of any personnel exposures greater than minimum I

detectable during the reporting period.

October, 1980 N. Diaz 20 mrem G. Fogle 20 mrem H. Gogun 20 mrem I

M. Constable 20 mrem May, 1981 A. Marvin 40 mrem June, 1981 A. Marvin 10 mrem July, 1981 A. Marvin 30 mrem Dosimeterexposure measurements for visitors to the UFTR were all less than 5 mrem for this reporting period.

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VIII. EDUCATION, RESEARCH, AND TRAINING UTILIZATION Note: The participating students are indicated with an *. Other partici-I pants are faculty or staff members of the University of Florida, un-less specifically designated otherwise. A ** indicates those stu-dents working on theses or dissertations.

238 and Tg32 Dating, Dr. G.S. Roessler 1.

NAA Research - U 28 andif32 Epithermal irradiations were used for identification of U in an archaeological sample. The levels of U and lhwere then used to detennine self-irradiation of the sample, which was then dated by thermo-lu:ninescent technique.

2.

NAA Resedei.;h - Dr. G.S. Roessler, L. Ewald *, P. Salas*

Short irradiation schemes were explored for use in biological samples, especially tissue in which murine melanoma had been introduced. The over all effort is aimed at identifying differences in normal and cancerous I

tissue.

3.

NAA Research - Neutron induced crystal lattice disturbances - Dr. Hans I

Plendl, Mr. Peter Gidisse (Florida State University)

Samples of AL (SiO ) (OH) were subjected to a wide range of neutron 2

4 fluences. The lattice disturbances caused by thermal and epithermal neutrons were compared to those caused by x-rays by observing changes in optical properties.

4.

NAA Research - Dr. W. Goldberg (FIU), Dr. W.H. Ellis (UF)

Biological samples and standards were activated and analysed for a study of parasitism of Florida coral.

5.

LPL Reactor Operations Training Program - Dr. N.J. Diaz, Dr. W.G. Vernetson, I

Dr. E.T. Dugan, Reactor Staff Cold license candidates for Louisiana Power and Light's Waterford Nuclear Power Plant spent three weeks operating the UFTR. This fulfills a federal requirement for a Reactor Operator's license.

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UFTR Operator Training and Requalification - Dr. N.J. Diaz, H. Gogun Lectures and hands-on operations on the reactor are necessary to license i

operators for the UFTR. The requalification programs established a required number of startups, weekly checks, daily checks, drills, and lectures for each operator to participate in to maintain proficiency.

7.

FPC Shift Technical Advisor Training Program - Dr. N.J. Diaz, Dr. W.G.

Vernetson, Dr. E.T. Dugan Shift Technical Advisor from Florida Power Corporation's Crystal River Nuclear Plant spent three weeks perfonning hands-on operations at the UFTR.

I These operations are part of a one year STA educational program conducted by the University of Florida which exceeds INP0 guidelines for Shift Technical Advisors.

8.

Reactor Operations Demonstrations Course Instructor ENU 3002 Dr. J.A. Wethington ENU 4104 Dr. H.D. Campbell ENU 4612/5615 Dr. W.H. Ellis I

ENU 5005 Dr. J.A. Wethington 9.

Nuclear Engineering Laboratory II (ENU 6516) - Dr. W.H. Ellis, Dr. W.G. Vernetson ENU 6516 is the main laboratory course for Nuclear Engineering graduate students.

It involves radiation and reactor measurements.

10. Nuclear Engineering Laboratory I (ENU 4505) - Dr. W.H. Ellis ENU 4505 is the nuclear engineering laboratory for undergraduate students in Nuclear Engineering Sciences. The UFTR is used for a variety of exercises and experiments, including radiation dose measurements, measurement of induced l

radioactivity and reactor physics and operational measurements.

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11. Reactor Operations Laboratory (ENU 4905 and ENU 5176) - Dr. N.J. Diaz and Reactor Staff Students of The Reactor Operations Course (Spring '81) and The Reactor Operations Lab (Winter '81) spend 2-3 hours weekly at the controls of The UFTR performing reactor operations under supervision of licensed reactor operators.

The lab encompasses training in reactivity manipulations, reactor cFackouts, operating procedures, standard operations and all applicable regulations.

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I 22 IX. THESES, PUBLICATIONS, REPORTS AND ORAL PRESENTATIONS OF WORK RELATED TO THE USE AND OPERATION OF THE UFTR 1.

"INAA-PIXE Trace Element Analysis of Biological Tissues," Atlanta Meeting, American Chemical Society, March 31, 1981.

W.H. Ellis, G.S. Roessler, J.W. Swanson, H. Van Rinsveit, M.D. Williams.

2.

" Trace Elementsand Cancer," ANS International Meeting, June,1981.

G.S. Roessler, J.W. Swanson, W.H. Ellis, H. Van Rinsvelt, M.D. Williams.

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