ML062290025

Aerotest Annual Report

ML062290025
Person / Time
Site:	Aerotest
Issue date:	07/21/2006
From:	Bauman C Aerotest
To:	Office of Nuclear Reactor Regulation
References
Download: ML062290025 (6)

Text

fAEROTEST OPERATIONS, INC.

3455 FOSTORIA WAY o SAN RAMON, CA 94583 * (925) 866-1212

• FAX (925) 866-1716 21 July 2006 Director of Inspection and Enforcement U.S. Nuclear Regulatory Commission Washington, D.C. 20555

Subject:

Annual Summary of Changes, Tests, and Experiments at Aerotest Radiography and Research Reactor (ARRR), Docket no. 50-228, for the period of 1 July 2005 to 30 June 2006.

Gentlemen:

The enclosed report summarizes the ARRR operations from July 1, 2005 through June 30, 2006. This submittal complies with the requirements set forth in 10 CFR 50.59, "Authorization of Changes, Tests, and Experiments." Summary forms of monthly operations and unscheduled power reductions are included.

No new or unusual problems have been noted during the year and reactor operations have remained stable with respect to safety and reliability.

Sincerely, Christopher E. Bauman Reactor Supervisor Aerotest Operations, Inc.

ANNUAL

SUMMARY

OF CHANGES, TESTS AND EXPERIMENTS PERFORMED AT THE AEROTEST RADIOGRAPHY AND RESEARCH REACTOR (ARRR)

DOCKET NO. 50-228 BY CHRISTOPHER E. BAUMAN APPROVED BY RAY R. TSUKIMURA PRESIDENT AEROTEST OPERATIONS, INC.

SECTION I Part I - Changes

1. Updated Procedures and Safety Analysis Report have previously been submitted to Nuclear Regulatory Commission as part of facility's relicensing application package. No changes have yet been implemented.

Part 1-Experiments No new experiments were performed during the year. The experiments performed in this reporting period were as follows:

Experiment No.

114 Neutron radiography performed in the radiography facilities.

SECTION II ARRR MONTHLY OPERATING

SUMMARY

Date Operating kilowatt- Accumulated Experiments & Unscheduled Hours hours kW-h Irradiations Shutdowns 7-05 107 15,924 12,759,221 0 3 8-05 135 21,024 12,780,245 0 0 9-05 133 19,826 12,800,071 0 1 10-05 127 18,957 12,819,028 0 0 11-05 113 16,975 12,836,003 0 0 12-05 134 20,163 12,856,166 0 0 1-06 102 15,176 12,871,342 0 1 2-06 117 15,792 12,887,134 0 0 3-06 131 17,669 12,904,803 0 2 4-06 125 16,819 12,921,622 0 1 5-06 140 18,869 12,939,577 0 13 6-06 150 20,153 12,959,730 0 5 Totals 1514 217,347 12,959,730 0 26

ARRR UNSCHEDULED POWER REDUCTIONS TYPE OF SCRAM CHANNEL AFFECTED No. DATE AUTO MAN S urious Op. Erroi CAL 1 2 3 4 Earthquak1H20 Comments 1 7/13/2005 X X X X X Loss of site power 2 7/14/2005 X XX X X Loss of site power 3 7/19/2005 X X X X XX No visible alarm 4 9/23/2005 X X X X XX Channel 2 Period Fast 5 1/9/2006 X X X X XX Channel 2 Period Fast 6 3/12/2006 X XXX X Channel 4 90% Voltage 7 3/24/2006 X XX XX Channel 4 Low 8 4/27/2006 X X -X X X X. No visible alarm 9 5/1/2006 X X X X X Channel 2 meter pegged low 10 5/14/2006 X X X X X X Site power surge 11 5/18/2006 X X XX X X No visible alarm 12 5/21/2006 X X X X X X No visible alarm 13 5/21/2006 X X X X X X Channel 2 Period Fast 14 5/21/2006 X X -X X XX No visible alarm 15 5/22/2006 X X X X XX No visible alarm 16 5/22/2006 X X X X X iX No visible alarm 17 5/26/2006 X - XXX lX Channel 2 Period Fast 18 5/30/2006 X X X X X X Site power surge 19 5/30/2006 X X X X X X Site power surge 20 5/30/2006 X X X X X X Site power surge 21 5/30/2006 X X X X X X Site power surge 22 6/1/2006 X X X XX X No visible alarm 23 6/3/2006 X X X X X X No visible alarm 24 6/5/2006 X X - XX X _ No visible alarm 25 6/7/2006 X X - XX X _ No visible alarm 26 6/7/2006 X X X X!X X No visible alarm 27 28 29 30 31 32 33 34 35 36 37 38 39 140,