ML20045F059

Id State Univ Reactor Annual Operating Rept for 1992. W/ 930630 Ltr

ML20045F059
Person / Time
Site:	Idaho State University
Issue date:	12/31/1992
From:	Clovis R IDAHO STATE UNIV., POCATELLO, ID
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
NUDOCS 9307060365
Download: ML20045F059 (3)

Text

,

[

1 STATE UNIVERSITY June 30, 1993 U.S. Nuclear Regulatory Commission Document Control Desk '

[$g Washington, D.C. 20555 Campus Box 8060 Pocatello, Idaho Gentlemen:

83 N B060 Attached is the Annual Operating Report for the Idaho State  !

University AGN-201 Nuclear Reactor, License R-110, Docket No. 50-284, for the calendar year 1992.

Respectfully submitted,

'$ . u$ {b&> ,

R. David Clovis Reactor Supervisor i

cc: V. Charyulu, Reactor Administrator -

4 l

t em 060100 M3., $  ;

gs423=2 (208) 2364538 -

TJ7 gg/f 9307060365 921231 4 if ,

PDR ADOCK 050002B4 ..' ISU ls An Equal Opportunity Employer ,

R PDR n ij

IDAHO STATE UNIVERSITY REACTOR ANNUAL OPERATING REPORT FOR 1992

1. Brief Narrative of Changes:

i

a. There were no changes to the f acility design, performance characteristics or operating procedures relating to reactor safety during this reporting period.

b. Results of major surveillance tests and inspections.

1) Channel tests on all safety channels were performed i and all scram interlocks were tested and found to be satisfactory and within specification.

2) Power and period calibrations were performed with satisfactory results.

3) The shield tank was inspected and no leaks or excessive corrosion were noted.

4) a) The control rod drive mechanisms were inspected and tested with satisfactory 4

results.

b) Scram times were measured and found to be less than 120 milliseconds.

c) Control and safety rod worths and run-up times l were measured; from these values the reactivity insertion rate was determined to be less than 0.045% per second for any rod.

d) The shutdown margin was determined to be greater than 1.75% with the most reactive rod fully inserted.

2. The total operating time for the reactor during 1992 was nearly 147 hours0.0017 days <br />0.0408 hours <br />2.430556e-4 weeks <br />5.59335e-5 months <br /> with a total thermal energy output of approximately 96 Watt-hours. The monthly breakdown of operation time follows:

Month Hours Month Hours January 0.0 July 0.0 February 24.0 August 7.6 March 12.4 September 14.3 April 4.9 October 44.7 May 5.0 November 20.8 June 7.1 December 5.9

3. Unscheduled shutdowns: r There were no unscheduled shutdowns.

e

~

4. Safety related maintenance included the following:

a. Repaired the input cable connection from the nuclear '

instrument detector channels #2 and #3.  ;

5. Changes to the Facility: l

a. There have been no changes to the facility as described l in the application for license.  !

b. There were no changes to the procedures as described in  :

this facility's Technical Specifications. j

c. No new or untried experiments or tests were performed during the reporting period. l

6. No summary of safety evaluations are submitted at this time, i because there were no changes to operating procedures, I testing, or experiments to this facility during the 1992  ;

calendar year, j

7. No radiation effluents were released or discharged to the .;

environment during 1992.  ;

8. Neutron and beta / gamma radiation surveys performed on the 3 exterior walls of the f acility indicated' that maximum combined  ;

contact radiation levels were less than 2 mrem /hr. l

9. No person using the f acility received a whole body exposure of greater than 50 millirem during 1992. l l

5 l

i 2

i i

l l

,-c -