ML032950442
| ML032950442 | |
| Person / Time | |
|---|---|
| Site: | Reed College |
| Issue date: | 10/09/2003 |
| From: | Frantz S Reed College |
| To: | Document Control Desk, Office of Nuclear Reactor Regulation |
| References | |
| Download: ML032950442 (30) | |
Text
R E E D COLLEGE GE 'Portland,Oregon 97202 REACTOR FACILITY October 9, 2003 Document Control Desk US Nuclear Regulatory Commission Washington, DC 20555 Docket 50-288 Enclosed is Reed College Reactor's Annual Report.
This has been another exciting year. We continue to make progress on many of our long term projects. Details are shown in the report.
Please feel free to contact me for additional information.
Regards, it Ste Grantz Director, Reed College Reactor S03-777-7222 Fax: 503-777-7274 reactor@reed.edu 3203 SE Woods:ock 3203 Blvd.. Portland, Woodstock Blvd., OR 97202-8199 Portland,OR 97202-8199 503-777-7222 Fax:503-777-7274 ecior!rcededa
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REED RESEARCH REACTOR ANNUAL REPORT September 1, 2002 -- August 31, 2003 3203 Southeast Woodstock Blvd.
Portland, Oregon 97202-8199 503-777-7222 fax: 503-777-7274 reactor@reed.edu Stephef G. Frantz Director, Reed Reactor Facility Program Director, Nuclear Science Consortium of the Willamette Valley
ITABLE OF CONTENTS.
OVERVIEW .............................. 1 PEOPLE ............................... 3 Facility Staff............................... 3 Oversight Committees ............................... 4 Radiation Safety Committee ............................... 4 Reactor Operations Committee ......................... ; .4 FACILITIES ......................... 5 Reactor Facility Floor Plan ......................... 5 Rotating Specimen Rack Facility ............................ 5 Pneumatic Transfer System ......................... 6 In-Core Facilities ......................... 6 In-Pool Facilities ......................... 6 Beam Facilities ......................... 6 USERS .......................... 7 Reactor Visitors ......................... 7 Reactor Operations Seminar ......................... 7 Nuclear Science Consortium .......................... 8 High School Student Projects ........................ 10 Pacific University Modem Physics Lab ......................... 10 Concordia University ........................ 10 Scaler Kits ........................ 10 Reed Classes ........................ ; 10 Industrial and Commercial Applications ........................ 10 REACTOR OPERATIONS ........................ 11 Operations ......................... 11 Unplanned Reactor Shutdowns .......................... : 12 Security .......................... ! 13 Fuel Leak ......................... 13 Technical Specification Violation ......................... 13 REACTOR MAINTENANCE............................................................................................15 Significant Maintenance ......................... 15 Safety Reviews Approved by Reactor Review Committee .......................................... 15 RADIATION PROTECTION.............................................................................................19 Personnel Dosimetry .......................................... 19 Fixed Area Dosimetry .......................................... 19 Gaseous Releases .......................................... 20 Liquid Waste Releases .............. 20 Solid Waste Disposal .............. 20 Environmental Sampling .............. 20 APPENDIX A - VISITORS .............. 21
-lOVERVIEW 1 - -
This report covers the period from September 1,2002 to August 31, 2003, and is intended to fulfill the reporting requirements of the U.S. Nuclear Regulatory Commission, the U.S.
Department of Energy, and the Oregon Department of Energy including:
- U. S. Nuclear Regulatory Commission, License No. R-1 12 (Docket 50-288)
- Oregon Office of Energy'Rule No. 345-030-010
- U. S. Department of Energy Grant No. DE-FG07-02ID14292 U. S. Department of Energy Grant No. DE-FGO7-011D14153 We also wish to thank other funding sources and granting agencies including Portland General Electric and Concordia University.
The reactor is a Triga Mark I reactor with zirconium hydride / uranium hydride fuel elements in a circular grid array at the bottom of a 25-foot-deep tank of water and is surrounded by a graphite reflector. The fuel is enriched to 19.9% in uranium-235.
The Reed College Reactor Facility has been a resource for research and educational projects in the Portland area since its establishment in 1968. The main uses of the Reed Reactor Facility are instruction and research, especially in the field of trace-element analysis. In addition to providing student research opportunities, the reactor staff works to educate the surrounding community on the principles of nuclear energy and radiation safety.
There were 1740 individual visits to the Reactor Facility during the year. Most were students in classes at Reed College or area universities, colleges, and high schools.
Including tours and research conducted at the facility, the Reed Reactor Facility contributed to the educational programs of 9 colleges and universities in addition to 16 pre-college groups. The reactor was operated 294 times on 136 days. The thermal energy produced was 60.7 megawatt-hours.
The reactor staff consists of a Director, an Associate Director, a contract Health Physicist, Reed College undergraduate students, and some non-students who are licensed by the Nuclear Regulatory Commission as reactor operators or senior reactor operators. The number of licenses varies from year to year. As this report is being written the licensed operating staff consists of 13 women and 17 men.
Reed Research Reactor Annual Report 2002-'2003 Page P of 26
During the reporting period, 12 reactor operator candidates passed their NRC exams and 4 senior reactor operator candidates passed their NRC exams. During the past ten years 87 people have taken the NRC reactor operator exam and 84 received licenses. During the same period 45 people have taken the senior reactor operation exam and 43 have received senior reactor operation licenses; There were no radiation exposures to individuals in excess of 1% of the limit during the year. There were no releases of liquid radioactive material from the facility and airborne releases were well within regulatory limits. There were no shipments of radioactive waste.
The facility experienced a small fuel leak this year. We were able to identify the leaking element and remove it from service. Normal operations were resumed.
The Nuclear Regulatory Commissi6n conducted their annual inspection during December 2002. There were no violations or concerns. There was one follow up item. Additionally, the NRC visited the facility in June of 2003 specifically to review our security condition.
Reed Research Reactor Annual Report 2002-2003 Page 2 of 26
11 PEOPLE Facility Staff
- ' During the period September 1,2002 to August 31,2003, the facility staff consisted of:
. ReactorDirector: Stephen Frantz (4/94 -. Present)
Associate Director: Rachel Barmett (5/03 = Present)
Eric-Weis1(6/01 - 5/03) ,'
Reactor Supervisor: Megan Othus (5/02 - Present) -
Training Supervisor: Lily Cool (5/03 - Piesent)
Rachel Bamett (5/01. 5/03)
RadiationSafety Officer. Kathleen Fisher, (1/03 Present).
Stephien Fraritz (8/00 - 1/03):
ContractHealth Physicist: Marshall Parrott (8/91 - Present)'
Senior Reactor Operators(SRO): Rachel Barnett Chris Hoefler Jay Bodzin Steve Katz .
Mat Brener Ariah'Kidder
-Nick Chaimov ; Eric Lawience Lily Cool Andrea Neuhoff Cilicia Dorn-Lopez ' Megan Othus Ann Erickson David Rubin Nicki Ford Eric Weis Stephen Frantz.
Reactor Operators(RO): Carl Anderson Beverly Lau
.- Andre Bach . Kristen Lavavej Nicholas Blanchard-Wright Peter Rovegno Alex Bram. Seth Samuel Katie Bray Dan Spoth, David de Regt Maureen Steckler Oren Elrad " Nancy VanProoyen Derek Galligan Joy Wattawa
..'Jessica Griffith . David Wiliams Jesse Hallett ' Gabriel Ycas Judy Kim - .'Jon Young The list of operators includes everyone who held a license during the reporting period.
ROs who upgrade their licenses to SRO during the reporting period are listed under SRO.
All staff members were Reed College undergraduates except Mr. Frantz, Ms. Barnett, Ms.
Fisher, Dr. Parrott, Mr. Weis, Mr. Bodzin, Mr. Brain, and Ms. Dom-Lopez.
The number of licenses and the gender ratio varies from year to year. As this report is being written there are 13 women with reactor licenses and 17 men with licenses.
Reed Research Reactor Annual Report 2002-2003 Page 3 of 26
I Oversight Committees The Reed Reactor Facility has two oversight committees: the Radiation Safety Committee and the Reactor Operations Committee. Together they comprise the Reactor Review Committee. The Radiation Safety Committee is concerned with emergency preparedness, health physics, radiation safety, physical security, environmental impact, and the interface between the Reed Reactor Facility, Reed College, and the surrounding community. The Reactor Operations Committee deals with the day-to-day operations of the reactor, reactor maintenance, reactor safety, operator training, and operator requalification. The membership of the committees during the reporting peiod is shown below:
Radiation Safety Committee Voting Members: .
John Frewing (Chair) (OregonIndependent College Foundation)
Wayne Lei (Environmental Director, PortlandGeneral Electric)
Jack Mahoney (NeighborhodResident)
Tom Meek (Radiation ProtectionManager, Trojan Nuclear Power Plant)
Kathleen Fisher (Director, Reed Environmentaland Safety)
Ex Officio (without vote):
Peter Steinberger (Dean of the Faculty, Reed College)
Stephen Frantz (Director,Reed Reactor Facility)
Eric Weis (Associate Director,Reed Reactor Facility)
Marshall Parrott (ContractHealth Physicist)
Megan Othus. (Reactor Supervisor) .
Rachel Barnett (Reactor TrainingSupervisor)
...~~~~~~~~~~~~~~~~~~~~~~~~~~~~I Reactor Operations Committee Voting Members:
Daniel Gerrity (Chair) (Chemistry Faculty, Reed College)
Juliet Brosing (Physics Faculty, Pacific University)
Josh Filner (Medical Student, Oregon Health Science University)
Steve Reese (ReactorDirector, Oregon State University)
Ex Officio (without vote):
Peter Steinberger (Dean of the Faculty, Reed College)
Stephen Frantz (Director, Reed ReactorFacility)
Eric Weis (Associate Director,Reed Reactor Facility)
Megan Othus (Reactor Supervisor)
Rachel Barnett (Reactor Training Supervisor)
Reed Research Reactor Annual Report 2002-2003 Page4of 26
- FACILITIES:. .
Reactor Facility'Floor Plan "In addition to the reactor, the Reed Reactor Facility has space for a radiochemistry lab. A floor plan appears as Figure 1.
Figure1 -Reed Reactor Facility Floor Plan ' - -
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- Room I- c Break . Counting
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- Room Exit Corridor I I~ . .. . . ,~1 Letters In Italics Indicate: Electrical Closet the positions of the fixed 0 12 3 4: 5' .. .. .
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area dosimetry, Meters (approxiriate) '. . Hallway
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Upstairs The equipment available at the reactor facility includes high purity germanium gamma spectrometers, an X-ray florescence detector, surface barrier detectors, alpha spectrometers, silicon lithium X-ray detectors, a whole body counter, gas flow proportional counters, ion chambers, beta counters; Geiger Muller tubes, neutron detectors, alpha detectors, and thermoluminescent dosimeter readers. These instruments are used for experiments and training in nuclear science and radiation detection. Two hand and shoe monitors are in the reactor bay. A liquid scintillation detector serves the campus radioisotope committee. The reactor facility has several systems for performing irradiations, described below.
- Rotating Specimen Rack Facility -.
The rotating specimen rack ("lazy susan") is located in a well on top of the graphite reflector surrounding core. The rack consists of a circular array of 40 tubular receptacles; each of which can accommodate two irradiation tubes. Vials holding up to 17 ml (four drams) are used in this system. Samples are loaded in the specimen rack prior to the start-up of the reactor. The rack automatically rotates during irradiation to ensure each sample receives the same neutron flux. Typically, researchers use the rotating rack when long Reed Research Reactor Annual Report 2002-2003 Page S of 26
irradiation times (generally greater than five minutes) are required. The approximate thermal neutron flux in a rotating rack position at full power is 1.7 xlO 2 n/cm2 s with; a cadmium ratio of 6. The specimen rack can be used for gamma irradiations (approximately-8 rad/min) when the reactor is shutdown.
Pneumatic Transfer System -
The pneumatic transfer system ("rabbit") consists of an irradiation chamber in the outer F-
'ring of the core and its associated pump and piping. This allows samples to be transferred in and out of the reactor core very rapidly, while the reactor is at power.
Routine use of the pneumatic transfer system involves placing samples into vials, which in turn are placed in special capsules known as "rabbits.! The capsule is loaded into the system in the laboratory next to the reactor and is then transferred pneumatically into the core-irradiation position. At the end of a predetermined time the sample is transferred back to the receiving terminal, where it is removed for measurement. The transfer time from the core to the terminal is about seven seconds, making this method of irradiating samples particularly useful for experiments involving radioisotopes with short half-lives. The flux in the core terminal is approximately 5x10' n/cm2 s when the reactor is at full power.
In-Core Facilities The central thimble is a water-filled irradiation chamber about 3 cm in diameter. It provides the highest available neutron flux, about x1013 n/cm 2 s. Special sample holders are used in the central thimble to provide maximum flexibility in experiment design.
A fuel replacement source holder assembly can also be used as an irradiation facility. The chamber fits into a fuel-element position within the core itself. It holds only one specially positioned irradiation container 7.5 cm in length and 2.5 cm in diameter.
Foil-insertion holes, 0.8 cm in diameter, are drilled at various positions through the grid plates. These holes allow inserting special holders containing flux wires into the core, to obtain neutron flux maps of the core.
In-Pool Facilities . . -
Near core, in-pool irradiation facilities can be arranged for larger samples. Neutron fluxes will be lower than in the lazy susan and will depend on the sample location.
Beam Facilities The central thimble can be evacuated with gas, producing a vertical neutron beam. This beam can be used to generate directional neutron flux, or for limited irradiations above the tank.
Neutron radiography is also possible. The flux above the beam exit is approximately 1x103 n/cm2 s when the reactor is at full power.
Reed Research Reactor Annual Report 2002-2003 Page 6 of 26
IUSERS . .
Reactor Visitors A total of 1740 individuals visited the Reed Reactor Facility during the year, as.derived from the visitor log - Entry List B. Individuals who visited more than once are counted for each visit. Visitors include all individuals who are not listed as facility-staff. The visitors included 1558 individuals for training or tours; of.whom 689 were-in.programs funded in part by the U.S. DOE Reactor Sharing program. A large percentage of these were students in classes at area colleges and schools as discussed below. A graph of the history of visitor attendance is shown in Figure 1, and a list for the current year is included as Appendix A.
Figure 2 - Reed Reactor Facility Visitors - . :
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0-1990 1991 1994 , 1995 1996 1997 1998 1999 2000 2001 2002 2003 Reactor Operations Seminar The Reed Reactor Facility conducts an annual seminar series for students from Reed and other area educational institutions. This non-credit course serves as an introduction to nuclear reactor theory, health physics, and reactor operation. Some of the students continue with in-depth reactor operator training and subsequently apply for a reactor operator license.
If successful, the individual may be hired to operate the reactor. In addition, existing reactor operators may take the NRC senior reactor operator exam to upgrade their licenses.
During the reporting period, 12 out of 13 reactor operator candidates passed their NRC exams and 4 out of 5 senior reactor operator candidates passed their NRC exams.
Reed Research Reactor Annual Report'2002-2003 Page 7 of 26
I Historically students who fail the NRC exam only fail one section and they are allowed to retake that section later. Figure 3 is a graph of the number of license application each year since 1982 showing how many new RO and SRO licenses were awarded at Reed and how many failed to obtain a license.
Figure 3 - Reed Reactor Facility License Exam Results 19 g . . . . .. . . .
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90 0 0 0 0959°999°9>9^ 9 9 9 99t9°99o°o>o Nuclear Science Consortium In order to better use the resources of the Reed Reactor Facility, several area colleges and universities established the Nuclear Science Consortium of the Willamette Valley in 1970.
Funding for the Consortium has been derived from Reactor Use Sharing Grants of the U.S.
Department of Energy. This made the facility available without charge to classroom groups and unfunded research projects for consortium members.
The following institutions have participated in facility tours, experiments, and research projects in the reporting period.
COLLEGE TOURS/USERS
- Concordia University
- Lewis and Clark University
- Linfield College
- Linfield School of Nursing
-
- Pacific University
- Portland Community College
- Portland Community College - Rock Creek
- Portland State University
- Warner Pacific College
- Willamette University Reed Research Reactor Annual Report 2002-2003 P Page 8 of 26
HIGH SCHOOL & MIDDLE SCHOOL TOURS[USERS;
'C.S. Lewis-Academy-. ' . . New Covenant Academy
'Cleveland High School ' **Oregon Episcopal School
- David Douglas High School
- Rex Putnam High School
- Franklin High School
- Roosevelt High School
- Hood River High School ,.,. :
- Southridge High School
- Jefferson High School ' ' ' St. Francis Academy
- Jesuit High School
- Sunset High School
- Kennedy High School
- Trillium Charter School
- Lincoln High School
- Milwaukee High School SPECIAL GROUPS
- Advocates for Women in Science, Engineering, and Mathematics
' "Apprenticeships in Science and Engineering
'-:'-Bring Your Child to Work Day -.
- Oregon Museum of Science and Industry (OMSI) Camp -
- Saturday Academy
- Science Camp
- Figure 4 is a graph showing the history of visits by colleges and schools.
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. a 1990 1991; 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 Many reactor tours include hands-on use of facility equipment to conduct experiments in radiation science, health physics, and nuclear physics. A typical lab involves determining the background of a Geiger Muller scalar system and then determining the half-life of a sample of radioactive material. College classes are generally more closely tailored to the individual interests and needs of the Consortium faculty member involved. Experiments include more direct use of the reactor itself by the students, more detailed analysis of materials, and
.emphasize the incorporation of other classroom activities as much as possible.
Reed Research Reactor Annual Report 2002-2003 -I - Page 9 of 26
I Several special programs for gifted children used the reactor for projects. These are -
designed to enrich their educational program and prepare them for college. Soime of the groups who use the reactor-target minority and disadvantaged youth who are historically under-represented in science professions.
High School Student Projects ,.
The Reed Reactor Facility continued to be used in independent science projects initiated by students from several Oregon high schools..
Pacific University-Modern. Physics Lab .
Each year the Modern Physics Lab at Pacific University spends lab sessions at the reactor.
The students do several labs including basic health physics, sub-critical multiplication, and neutron activation analysis.-
Concordia University ...
The reactor provides tainirg and experiments involving'radiation, radioactive material, environmental sarmpling, and trace element analysis for the Environmental Remediation &
Hazardous Material Management Program (ERHMM) at Concordia University Scaler Kits - ..
Through the generosity of Portland.General Electric, the reactor lends out suitcases containing a geiger counter, a scaler, and some small exempt sources to local high schools for their use in their program.
Reed Classes
- Chemistry 271 students conducted a lab using neutron activation analysis to determine chemical composition of an unknown.
- Chemistry 101 students conducted a lab to determine the half-life of an activated silver dime.
Industrial and Commercial Applications The Reed Reactor Facility is available for industrial or commercial concerns when it does not conflict with our educational goals. As in the past, the primary operations involved neutron activation analysis of materials or environmental samples. The facility also provides radiation protection training to interested parties and schools in the area.
Reed Research Reactor Annual Report 2002-2003 Page 10 of 26
llREACTOR OPERATIONS Oeratons -.- ,.. -
During the year the reactor was taken critical 294 times cn 136 days. The'total energy produced was 60.7 megawatt-hours. Operating history by month appear in Table A. A history of the data is shown in Figure 5. During July the search for the leaking fuel element required operation at full power for several hours each ,workday. -
.. .Table.A= coperating History Times Critical - Days Operated . MW-hrs
-Sep. - .21 .. 7 . 1.662 ; .:
Oct. . ; 19 .. .9..77-3:-
. - - - . 9.- - . - - . ...... -
Nov. 23 12 . 4.557. .
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.- -I .* - U.1/9 .- -
-- - Jan.
J- - --- = --- --- 10-- - 2.829.-.
Feb.- - - 36-- 12 2.061--- :-
--Mar. - . 32 . - .- 11 - 1.798
- --- Apr.: . .37- 14 -3.546 May. -l .:-.43. .... - .;.12.. -.. ,. 2.113. .
- Jun.- - -. 16 9 3.645-Jul. 24 22.. --28.561--
Aug. - 12.-: - 11 7.431
. Total 294. . 136. ...- 60.712 .
. Figure 5 operations -: ..-
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- 111 -Days Operated
-S--Irrdlatons
- - MW-hrs Reed Research Reactor Annual Report 2002-2003 . P Page 11 of 26
Unplanned Reactor Shutdowns There were 13 inadvertent reactor shutdowns (scrams) as shown in Table B; none were unexplained. The number of unplanned reactor shutdowns is consistent our past experience as shown in Figure 6, although it reversed our trend toward fewer unplanned scrams."The major increases were due.to electrical transients and in operator error (mostly scramming on the percent power channel while.watching the linear channel) .
Table B' UnplannedReactor Shutdowns -
Date Scram Type Cause Of Scram 11/7/02 Linear . . Pushed 25 W range button while at 240 kW 1/24/03. Percent Power Operator Error. . . -
2/11/03 Linear, Turned off the Linear channel while trying to turn off the Log channel -.-.... .. ..
2/24/03 Linear and Automatic rod control malfunction .
Percent Power . . .. . . ..... ., .' .. ;..
3/11/03. Percent Power Operator Error- . ...-
4/22103 Percent Power Operator inattention . -
6/27/03 Percent Power-. Electrical Transient." . .. .......
7/16/03 Percent Power- -Electrical Transient . . . -,
7/29/03 Linear and. - Operator Error Percent Power - -. d . . .
7/29/03 All. - Electrical Transient. : - --
8/6/03 All .. Electrical Transient..
8/15/03 All Temporary loss of electrical power 8/28/03 Linear and, -Operator Error Percent Power Figure 6 - Unplanned Shutdowns .
Unplanned Shutdowns 23
. . I 20 is 10 I.
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0 1990 1991 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 Reed Research Reactor Annual Report 2002-2003 Page 12 of 26
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!I Security There were significant security reviews of the facility, both internal and external. Our physical security barriers and procedures were modified and improved.
Fuel Leak The Reed Reactor Facility exhibited characteristics of a fuel leak at 5:09 pm on Friday, June 27,'2003. It was approxinately six and a half hours into-a long run at 240 kW-with pool temperature at 25.3°; There was a very siall releas6-too small to even 'classify. The highest
-radiation monitor reading was 7 x1`0- piCi/dmn3 :.We found fission products ( 38Cs and J8 Rb) in the stack Air.Particulate Monitor (APM).filter; On Monday,'June 30, 2003, the
'Reactor Review Committee approved plans for'looking for the leaking fuel element. This was accomplished by changing out two elements from the core with elements that were in storage, operating the reactor to look for:ffssion products, and then repeating the process the next day. On August 6, 2003 after following this procedure'for 26 days over a six-week period, the leaking element was identified and removed from service. It was element serial number 5488 which had been in position-E.4since in'i'al'c'ralityi'n1968. Subsequent inspection on'August7 withthe under teibamera did iiot'sh6'v anything abnormal.
While swapping fuel elknents on July 30,203,.at 9:38 am wedroppedone of the fuel elements. There was no release of radioactivity. The element was retrieved and inspected the same day. The lower pin was slightly bent,-but-otherwise it appeared fine. Itwasreturned to the core and is functioning fine. The root:cause of'tfe 'diopped element appears to be a faulty fuel handing tool. We borrowed a fuel-handling tool from Oregon State University to continue the search for the leaking element. We palh'to have General Atomics refurbish our original tool.
Technical Specification Violation u .
During the fuel exchange process, we discoVered that we had apparently violated our Technical Specifications. Reed Reactor-Technical Specification E.3 states: Each standard fuel element shall be visually inspected at least once every ten years. At least 1/5 of all the fuel elements of the core shall be inspected biennially. If indication of apparent deterioration or distortion is found, the fuel element(s) shall be removed from the core.
During the fuel inspections of 2001 and 2003, we did not inspect fuel elements that were not in the core. We normally have four elements that are not in the core, two damaged elements and two spar'e used elements. Because they were not in the core, these elements were not inspected when they came due.
During our fuel leak investigation this year, one used element was put in the core to replace elements being investigated. Thus, we had one element in the core that had not been inspected during the past ten years. We inspected the two elements as soon as possible after the fuel leak on August 7, 2003. The inspection was normal. We amended our operating procedures to ensure that elements that are not in the core are inspected as scheduled.
Reed Research Reactor Annual Report 2002-2003 Page 13 of 26
I I . ..
Reed Research Reactor Annual Report 2002-2003. Page 14 of 26
-REACTOR AINTENANCE Significant Maintenance Routine equipment checks are conducted by reactor staff members on a daily, weekly, bimonthly, semiannual (January and July) and annual (January) basis as required by facility procedures. Reed College maintenance personnel assist with routine preventative' maintenance to auxiliary equipment. Significant maintenance operations which were not part of a regular schedule are listed in Table D.:.-- - rai -, - .- ,, :,,
-Table D - Significant Maintenance Operations Date Maintenance . .
10/30/02 All electrical outlets near the reactor pool.were converted to GFCI outlets.
11/08/02 Installed new guard rails around the reactor pool '
11/19/02 Replaced belt guards on ventilation fans and air compressor 12/03/02 Repaired pneumatics for ventilation isolation system 1/13/03 Installed new water level monitor 1/16/03 Installed new 24 VDC power supply in console '
- -1/22/03 Installed new water temperature monitor -
1/24/03 ..Installed new CAM, APM, GSM (AMS-4) . ' ,
1/30/03 Replaced primary filter 4/14/03 Replaced RAP-I air pump for CAM
-4/24/03 Adjusted the position indication on the lazy susan :
6/26/03 Replaced primary filter - ' -
- '7/15/03 -,Completed installing Honeywell Multitrend Safety Reviews Approved by Reactor Review Committee
'Title:'AMS;4 Radiation Monitors . --
Date:October28, 2002. .
- Summarv of Proposed Change: -
This change replaces the Continuous Air Monitor, the Air Particulate Monitor, and the Gaseous Stack Monitor with new AMS4 units. The AMS-4 is current state of the art units from ThermoEberline. ; ;.: - .
The sampling units will be in the loft for the APM and GSM as they are now. The sampling unit for the CAM will be moved to the east wall of the reactor room so that it is near the APM. That way the sainpling pump can be up in the loft where the noise will
- be less troublesome. The units' displays will be mounted in the control room.
Title:
Pool Water Level Monitor ' ; -: ,: .-
' Date: October 28, 2002' ,> ;., -
Summarv of Proposed Change: ', , . --
This change would install an Omega electrostatic pool level sensor in the reactor pool to provide a continuous readout of the pool water level. The output of the sensor would feed a new digital display on the console and trip the existing high and low_
alarms. It would also provide input to the Multitrend Plus V5 Electric Chart Recorder being installed: ' -..
Reed Research Reactor Annual Report 2002-2003 ' - . . Pg1o2 age 15 of 26
I This replaces the float-operated alarm currently installed. The new detector measures the capacitance across a water-filled gap, whereas the previous one measured the deflection of a rod connected to a floating ball in the pool. There is no currently installed level detector other than the alarm.
Title:
Period Scram.., , - . '*-.' - ,
Date: October 28, 2002 .
Summary of Proposed Change:.'
This change removes the reactor period scram. The scram is not required by 'l Technical Specifications and has been removed on most other Triga reactors. The Safety Analysis Report mntions thee period scram but it is not required for reactor safety.
The scram will be removed to eliminate the inadvertent scrams caused by instrument noise. We still intend to enforce the administrative limit on reactor period of 10 seconds.
.. , . . ., .i-i
Title:
Multitrend Recorder' , .
Date: October 28,2002 '.. ., .'.
Summar of Proposed Change: , . -., . . . -
This change connects outputs from various indications on the, control console to a Honeywell Multitrend Plus V5 Electronic Data Recorder in the control room. In addition to a graphical display, the recorder can store the data on a zip disk and post the information on the, campus network. This replaces our Planned use of LabVEW for these purposes. ' p ou p us of L VE for This display is not intended to remove any of the instMled displays, only to repeat them on the Multitrend for flexible display and data recording. Once the unit's reliability has been established, we will probably use it to replace the physical chart recorder paper and perhaps some of theless important displays.
The unit can accept 16 inputs.. Ourcurrent
. plan is, to display the CAM, APM, GSM, Linear Power, Log Power, Percent Power, 3 Rod Heights, Pool Level, and 3 Water Temperature values. We might use the available digital inputs for the status of isolation or reactor scram.
Title:
Omega Temperature Monitors Date: October 28, 2002 : . ; .-
Summary of Proposed Change:' '. . :v X This'change replaces the three existing RTD temperature monitors and display with new thermocouples. The three thermocouples will feed a new digital display on the console. The new system should be more accurate and reliable. We may be able to conduct our power calibrations with the installed instruments. Additionally, this will provide a display of pool temperature, which currently only has an alarm. The output of the units can be supplied to the new Multitrend recorder for display and analysis.
Title:
Count Rate Meter Date: Oct'ber 28,'2002 Sumrnmary of Proposed Change:
This change removes the original installed count rate meter. This meter is old and near the end of its life. It serves two functions, to indicate power at low levels and to Reed Research Reactor Annual Report 2002-2003 Page 16 of 26
provide an interlock to prevent rod withdrawal at very.low powers. The latter function is required by Technical Specifications. The new Log channel can provide both of these functions and can seriv"as a replacement for the count rate'channel. Newer Triga reactors do not have a count rate channel; they-use the log channel.
The intent is to move the rod interlock to the log channel and test it for a period of time. The count rate channel will probably be left installed until we need the space for some other function.
Title:
Console Arrangement and Automatic Rod Control Date: April 1, 2003 a r *t.
Summaryof Proposed Change: - :
This change'ieartahges the s'witches and displays on-the main console and removes automatic rod control. With the exceptions, no actual switches' or displays will be changed, just their location. The switches for automatic rod control will be removed, the radiation chart will be removed, and the reactor power chart will probably be removed.
The console has changed considerably in recent years, riecessitating cutting new openings and covering over old ones. We plan to procure new pieces of metal for the
' vertical porions'of the console, and have physical 'plant cutb6penin'gs for the new displays. W' wil 'movetfredisp ys into a more logical arrangement.
The intent is t6'move' the r6d 'sition indicationi from its separate housing on top of the console tothileft wi-,`a9ong withpo6l level'hnd thperature. The radiation chart will be removed since it has been superceded by the new AMS-4 units and the Multitrend. Thereactorpbvr chart htas iiobeen superceded'by the Multitrend, so the chart fuincti6ns may no longer be used-l'dthdugh the digital display may be kept. The actual charts for both displays are wearihg out. The AMS-4 display and the Multitrend will display the thiee radiation'monitors';.The' three reactor power. channels have their own displays and the Multitrend'will display the powler. ;
The console will be modified to ptrvide room for the Multitrend on the'right wing.
As'part of the modification, atitomatic rod control will be removed. It does not work well with our new reactor power instruments, and is not necessary. It is the source of many of our inadvertent scrams. When above 1 kilowatt, the reactor maintains its power constant with Prompt Negative Temperature Coefficient. Bel6w that power, the reactor operator can maintain power constant in manual. The operator completes a status stamp every hour that verifies the power..- -
Once the changes are made,and the count rate channel is no longer needed (pending NRC approval of a previous Tech Sj;ec change) we can also remove major portions of the internal console, including high voltage supply and the left and right swinging doors.
The center door houses the reactor scrams and will be left in place.
Following the modification and before any operatioh'above 5 watts, a Console Checkout will be performed per SOP-73. At the same time SOP-73 will be updated for the new instruments and set up.
Reed Research Reactor Annual Report 2002-2003 - - P- Page
__0 17 of 26
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Reed Research Reactor Annual Report 2002-2003 Page 8 of 26
IRADIATION PROTECTION Personnel Dosimetry . -
During the period July,1, 2002 to June 30,2003 personnel dosimeters were issued to 48 Reed students and staff, and to one contractor. Since dosimeters are changed on a calendar quarter schedule, this period is the closest to-the reporting period. Individuals were issued beta-gamma sensitive ring badges and whole-body badges. The Director and Associate Director were issued beta-gamma-neutron sensitive dosimetry.
During the year the largest reading on a whole body dosimeter was 1 mrem deep dose equivalent. The largest reading on a ring dosimeter was 30 mrem shallow dose equivalent.
Both of these were on a staff member (not a student). No one exceeded a quarter of a percent of his or her federal limits.
Fixed Area Dosimetry Radiation levels are continually monitored to provide an indication of the average radiation levels in the reactor bay and dose outside the facility. The locations of these dosimeters are shown on Figure 1. All dosimeters monitor beta and gamma radiation. Locations A and C also measure neutron dose.
The deep dose equivalent radiation measuied by fixed dosimeters during the period July 1, 2002 to June 30, 2003 are shown in Table E. Since dosimeters are changed on a calendar quarter schedule, this period is the closest to the reporting period. There are radioactive material sample storage locations along the north wall: a radioactive source storage safe and a lead enclosed sample box where samples are placed immediately upon removal from the reactor. The neutron howitzer is stored on the east wall.
Table E - Area Radiation Dosimeters (doses are in mRem per calendar quarter)
Location Height Radiation Jul 1 - Oct 1 - Jan 1 - Apr 1- Total (m) Detected Sp 30 Dec 31 Mar 31 Jun 30l.
A East Wall 1.5 Ay, n 153 168 168 237 726 B North Wall 1.6 AY 15 169 18 25 227 C West Wall 1.0 A n 7 21 7 10 45 D South Wall 1.6 A, 7 15 26 37 85 E North Wall 2.3 Y 19T 4 105 27 155 F North Outside 2.8 Y 7 6 57 12 82 G Roof Outside 0.4 AY 1 0 4 1 6 H East Outside 1.5 AY 0 0 0 0 0 I South Outside 0.4 AY 0 0 0 0 0 Reed Research Reactor Annual Report 2002-2003 P Page 19 of 26
I Gaseous Releases . . . , -
The only routine release of gaseous radioactivity is from zAr (1.83 hour9.606481e-4 days <br />0.0231 hours <br />1.372354e-4 weeks <br />3.15815e-5 months <br /> half-life) and "6N (7.13 second half-life). These come from activation of pool water and air dissolved in the pool water and in the irradiation facilities. For dalendar year 2002, the average gaseous activity at the site boundary was 2.24 x 1020 pCi/ml, which would deliver a dose to a member of the public of Approximately 1.12 mrem, well below'regulato'ry'guidelines and constraints. During the fuel leak in July 2003, the calculated dose to a 'member of the public was approximately 0.1 mrem.
Liquid Waste Releases No liquid radioactive waste was' released from the Reed Reactor Facility during this report period.
Solid Waste Disposal There were no shipments of radioactive waste from the facility during this reporting period.
Environmental Samnling Soil samples taken from the area surrounding the facility showed no activity above background. Water samples taken from the facility's secondary cooling system showed no activity above background.
i Reed Research Reactor Annual Report 2002-2003 Page 20 of 26
IAPPENDIXA A--'VISITORS'- -
Date' ' Institution - '-Purpose : .# U-Share Tor'"*pos2b ;
- 9/1/02 I Reed .. .
9/8io2 Reed Tour .2 .
9/16/02 Reed Maintenace , '11 a 9/22/02 Reed Tour , - 6 9/10/02 Reed Tour 2 9/16/02 United Fire Maintenance 1 9/18/02 Reed Training .12 .
9/19/02 Reed Training 18 ,
9/24/02 Reed 'Maintenance- ' .3 ee 9/25/02 Reed Training 9 -
9/27/02 Reed Maintenance - 1 10/2/02 *Reed Training ' i a 5; ,
10/3/02 Reed Training . ., 13 10/4/02 *Reed Tour . ,- :,. 1.
10/7/02 Reed Tour -1 10/7/02 Reed Maintenance . , I 10/8/02 'Paulson-Nissen Crane Maintenance 1 10/9/02 , pHopod River High School *T,., .46 , Yes 10/9/02 :OSU ,*, *.Tour . 1 Yes 10/9/02 Reed Maintenance. 1 10/9/02 Milwaukee High School Tour ,2 Yes 10/9/02 Reed Training, 7 10/9/02 Reed Maintenance 2 10/10/02 'Reed Training 7 10/11/02 Cleveland HS Tour 34 Yes 10/13/02 Reed Tour :4 10/14/02 Reed Tour 6 10/14/02 Reed Training 4 10/15/02 'Reed Maintenance 1 10/16/02 Reed Training 9 10/17/02 Reed Training 6 10/19/02 Reed Training -6 10/23/02 'Reed Maintenance 1 10/23/02 Reed Training . 1 10/25/02 United Fire 'Maintenance 1 10/28/02 Taco Del Mar Tour .3 10/29/02 Taco Del Mar Tour .1 10/30/02 Oregon Electrical Group Maintenance .1 10/30/02 Reed Maintenance I1 10/30/02 Reed Training .7 10/31/02 Reed Tour 6 10/31/02 -Reed Training .10 11/1/02 Reed Training 2 Reed Tour .9 11/1/02 11/4/02 Oregon Electrical Group Maintenance 1 11 /4/02 Reed Thesis 2 Reed Research Reactor Annual Report 2002-2003 Page 21 of 26
Date Date Institution Institution Purpose,.
Purpose - U-Share .
- - U-Share 11/6/02 Reed Thesis 1 11/6/02 Reed Training 7 11/7/02 Reed Training 14 11/8/02 Reed Thesis 1 11/8/02 Reed Tour 45 11/8/02 Reed Training 2 11/9/02 UIUC Alum - Tour 1 Yes:
11/11/02 Reed Training 1 11/13/02 Reed Training 5 11/14/02 Reed Training .14 11/15/02 Reed Thesis .1 11/1 5/02 Reed Training , .1 11/17/02 United Fire Maintenance 11/1 8/02 Metal Ent. Maintenance . . --2 1
11/18/02 Reed Thesis 11/1 902 Metal Ent. Maintenance.
11/19/02 United Fire Maintenance 11/19/02 Reed Tour 11/20/02 Reed Training 5 11/21/02 State Radiation Protection Inspection .
11/21/02 *Reed Maintenance 1 11/21/02 Sunset High School* Tour 24 Yes 11/22/02 Sunset High School Tour *22 Yes 11/22/02 Reed Thesis .3 11/25/02 School Counselors*.,. Tour 24 Yes 11/26/02 United Fire Maintenance 1 11/27/02 Reed Training 3 12/4/02 Reed Training 12/5/02 Reed Training 2 12/9/02 Reed Training 4 12/11/02 Reed Training .1 12/12/02 Reed Training 2 12/1 2/02 Rex Putnam High School Tour 21 Yes 12/17/02 NRC Inspection 1 Yes 12/17/02 Reed Tour 4 12/18/02 United Fire Maintenance 1 12/19/02 United Fire Maintenance 2 1/2/03 Reed Maintenance 1 1/13/03 Reed Training 1/14/03 Reed Training 1/15/03 Reed Training 24 1/16/03 Reed Training 21 1/17/03 Reed Training 14 1/20/03 Reed Training 15 1/22/03 Reed Tour 3 1/22/03 Reed Training 14 1/23/03 Reed Training 14 1/24/03 Kennedy High School Tour 17 Yes Reed Research Reactor Annual Report 2002-2003 Page 22 of 26
Date' ! Institution .Purnase Pun_ #f U-Share U-Shar 1/24/03 Reed Training -3 . .
1/25/03 Reed Training . . .
I 1/26/03 'Reed Training .2 . .
1/26/03 Reed a U.i Tour 1/27/03 -Reed Training .1 . .
1/28/03 Reed Tour .
1/29/03 Portland Fire Bureau Training .. :_13 1/29/03 Reed Training 10 . .
1/30/03 Portland Fire Bureau Training 1/30/03 Reed Training I11 1/31/03 C.S. Lewis Academy Tour i. tYes 1/31/03 Portland Fire Bureau ' Training ,
,.-. 53 ..
1/31/03 United Fire Maintenance 1/31/03 Reed s Training ' !
2/3/03 Reed Training , _
2/3/03 New Covenant Academy'! Tour .; . 27 !. Yes 2/5/03 Reed Training ,: v.
.5 2/6/03 Reed Training . . . .
2/7/03 Reed Training .2 2/8/03 Reed Training' ej2 , ,; :
2/8/03 Reed Tour 3 2/11/03 Reed Training . 3 2/12/03 Reed Thesis-.,.,
2/12/03 :Reed Training .2 1 2/13/03 Reed Training 2/14/03 Reed Training .1 2/20/03 United Fire Maintenance 2/14/03 "St. Francis Academy, Tour. . 33 Yes 2/14/03 Reed Training 2/14/03 Reed Tour 2/18/03 Saturday Academy Tour - ' . Yes
.11 .
2/19/03 Reed Training - - 4 2/20/03 Reed Training , t' 2 2/21/03 Reed Training 1 2/24/03 United Fire Maintenance '. 2 2/24/03 Reed I ' Training 4 2i25/03 Reed Training ' 5 2/26/03 Warner Pacific'College:' Tour 13 Yes' 2/26/03 Reed Training 6 2/27/03 Reed Training 9 3/2/03 Training 1 Reed 3/3/03 Chem 102 Lab 13 Reed 3/4/03 Training 6 Reed 3/4/03 oReed Chem 102 Lab 21 3/5/03 Reed Chem 102 Lab 17 Reed 3/5/03 Training 8 3/6/03 *Reed Reed Training 10 3/6/03 Chem'i02 Lab . 18 Reed Research Reactor Annual Report 2002-2003 -Pagge 23 of 26
Date Date Institution Institution I Purpose-Puriose # #U-Share U-Share 3/7/03 Reed Training - :2 3/7/03 Reed Chem 102 Lab . 22 3/7/02 Roosevelt High School Tour 33 Yes 3/10/02 Reed Training 2 3/11/02 Reed Training 6 3/1 2/03 Reed Training 9 3/13/03 Reed Training., 6 3/13/03 Portland State University Tour 9 Yes 3/19/03 Reed Training - 3 3/19/03 Lincoln High School Tour .- 26 Yes 3/24/03 Reed Training . 3 3/25/03 Reed Training ... 5 3/25/03 *United Fire Maintenance 1 3/26/03 Reed Training 3 3/27/03 Reed Training . 4 3/31/03 Reed Training. . 1 4/1/03 Reed Training . .3 4/2/03 Reed Training . -.3 4/3/03 Reed Training . 3 4/7/03 Southridge High School, Tour 24 - Yes 4/7/03 Reed Training - 4 4/8/03 Concordia University. Tour i. . 12 Yes 4/8/03 Reed Training . 1 4/8/03 Reed Tour - 8 4/9/03 Reed Training 4 4/10/03 Reed Training 10 4/10/03 Reed Tour 10 4/11/03 Reed Training .. 2 4/11/03 Reed Tour 13 4/14/03 Reed Training 1 4/14/03 Advocates for Women in Tour . 11 Yes Science, Engineering, and Mathematics 4/15/03 Reed Training 4 4/15/03 Jefferson High School:. Tour 53 Yes 4/1 6/03 Reed Tour 13 4/1 6/03 Reed Training 4 4/17/03 Reed Training 2 Yes 4/17/03 United Fire Maintenance 1 4/21/03 Reed Training 1 4/22/03 David Douglas High School Tour 51 Yes 4/22/03 Reed Training 4 4/23/03 Reed Training 3 4/24/03 Reed Training 2 4/24/03 Lewis & Clark College Tour 8 Yes 4/24/03 Reed Tour 20 4/25/03 Reed Maintenance 1 4/25/03 Willamette University Tour 2 Yes 4/25/03 Portland State University Tour .2 Yes Reed Research Reactor Annual Report 2002-2003 Page 24 of 26
. .. I Date Re e Istitution . ;Purpose' U-Share 4/25/03 Reed Training 3 4/26/03 Reed Tour ' : 3 4/28/03 Reed Training ; '_ ' ! .4 4/29/03 Reed Maintenance ' ' "' :
4/29/03 Reed Training . 1 4/30/03 Reed Training; ' 2 5/1/03 Reed ' Tour 4 5/5/03 NRC NRC'Exam ' ' 1 5/6/03 NRC NRC Exam 2 5/7/03 NRC NRC Exam' 4 5/8/03 NRC NRC Exam' 4 5/9/03 Pacific University -Tour' 23 Yes 5/12/03 Linfield Colleg'e ' Tour : 25 Yes-5/14/03 Linfield College Tour '23 -Yes 5/14/03 Reed Tour 5/15/03 Reed Tour. 2 5/16/03 Unfield College Tour 14 Yes 5/20/03 David Douglas High'School Tour 9 *Yes 5/20/03 'Reed Tour '4 5/22/03 United Fire Maintehahte- 1 5/27/03 PCC Rock Creek Tour 17 Yes 5/28/03 Franklin High School Tour ' - 13 Yes 5/29/03 Portland Community College Tour ' -' 19 .Yes 6/3/03 Reed RSO Class 15 6/4/03 United Fire Maintenance 1 6/5/03 Reed RSO Class !
- 9 6/7/03 'Reed Tour 16 6/9/03 Trillium Charter Schlool Tour 6 Yes 6/10/03 Portland Police Training 2 6/12/03 Reed Tour '1 6/1 8/03 NRC Inspection 2 6/19/03 Summer Science Camp Tour 7 Yes 6/20/03 Portland Police Training. 6 6/25/03 Reed Maintenance 1 7/1/03 ASE (Summer Intern' Training .1 7/1/03 United Fire Maintenance 1 7/2/03 ASE (Summer InteM) Training 1 7/3/03 ASE (Summer nten)' Training 1 7/7/03 ASE (Summer Intern) Training 1 7/8/03 ASE (Summer Intern) Training 1 7/9/03 ASE (Summer Intern) Training 1 7/10/03 ASE (Summer Intern) Training 1 7/14/03 ASE (Summer Intern) Training 1 7/1 5/03 ASE (Summer Intern) Training 1 7/16/03 ASE (Summer Intern) Training 1 7/17/03 ASE (Summer Intern) Training 1 7/17/03 Yes Saturday Academy Tour 12 7/17/03 Reed Environmental Health 2 Reed Research Reactor Annual Report 2002-2003 Page 25 of 26
Date,\
Date' Institution Institution
.. Purpose~
Puroose # #U-Share U-Share 7/18/03 ASE (Summer Intern) Training 1 7/21/03 ASE (Summer Intern) Training 1 7/22/03 ASE (Summer Intern) Training 1 7/23/03 ASE (Summer Intern) Training 1 7/24/03 ASE (Summer Intern) Training 1 7/25/03 ASE (Summer Intern) Training 1 7/28/03 ASE (Summer Intern) Training 1 7/30/03 ASE (Summer Intern) Training 1 7/30/03 Reed Maintenance 1 7/31/03 ASE (Summer Intern) Training 8/1/03 ASE (Summer Intern) Training 8/1/03 Oregon State University Tour 1 8/4/03 Reed Maintenance .1 8/18/03 MRP Maintenance - 1 8/18/03 Reed Maintenance 2 8/18/03 ASE (Summer Intern). Training 8/19/03 Reed Safety Inspection 2 8/19/03 ASE (Summer Intern) Training 8/19/03 United Fire Maintenance 8/20/03 ASE (Summer Intern). Training 20 8/25/03 Reed Orientation Tour 1 8/27/03 Reed Orientation Tour. 7 8/28/03 Reed Orientation Tour 8/28/03 Friend Tour 8/29/03 ASE (Summer Intern) Training 8/30/03 Reed Orientation . Tour Reed Research Reactor Annual Report 2002-2003 Page 26 of 26