ML20072A986
| ML20072A986 | |
| Person / Time | |
|---|---|
| Site: | 05000262 |
| Issue date: | 01/11/1983 |
| From: | Dixon D Brigham Young University, PROVO, UT |
| To: | |
| Shared Package | |
| ML20072A976 | List: |
| References | |
| NUDOCS 8301250093 | |
| Download: ML20072A986 (2) | |
Text
____ _- _ _ --_-__-. _ _ _ _ _ - - - _ _ _ _ _ . . _ _ _ - _ _ _ _ _ -_ - _ _ _ _ _ - - _ _ _ _ _ _ - - _ _ _ _ _ _ _ _ _ _ - _ - _ - _ _ - - _ _ _ _ _ _ - _
,y * ,
Annual Operating Report for 1982 Brigham Young University Ir77 Reactor Facility i
11 January 1983 i
A. Narrative summary of reactor operating experience.
The le77 reactor was operated 11 times during the calendar year 1982 with. a .
total energy production of 19 watt-hours. The low usage reflects a decision of
! the part of Brigliam Young University to discontinue use of the reactor, with eventual decommissioning and disposal of the same.
Reactor use was essentially limited to a series of classes in a reactor-physic laboratory class given during the Winter semester of 1982. Exercises in i
that class included training in reactor operation, rod-worth calibrations, neutron activation, flux and power measurements, cross-section measurements, and measurements of delayed-neutron precursor half-lives. It is not intended that >
this class be offered again. Two of the operations were for operator practice. The final operation was on 11 May 1982.
B. Unscheduled shutdowns.
! There were three unscheduled shutdowns during the year. All of these
- occurred near shut-down power levels during start-up operations and were all due to operator errors (student unfamiliarity with instrument behavior) . In none of the three cases was there any safety problem whatsoever.
C. Surveillance tests.
r All safety circuits associated with the reactor were tested and found to be l
normal. Control-rod-drop times were well under the 0.5-second limit. Control-rod worth calibrations were consisten: with previous determinations. A power calibration made on 29 January yielded a result consistent with pravious measurements, so the old calibration was retained.
8301250093 '830118 PDR ADOCK 05000262 !
R PDR
1
.t* ~
D. Maintenance operations.
Minimal maintenance was required on the micro-microammeters associated with the neutrons detectors, and the meters operated satisfactorily.
E. Facility and procedure changes.
No facility changes were made. As mentioned earlier, no further reactor operations are planned.
F. Radioactive materials released to the environment.
Ncne.
G. Environmental survey outside the f acility.
Non e.
II . Significant radiation exposures.
?bn e.
e~-
Dwight R. Dixon i
Faculty Chief i
I l
I 1
l l
l l