ML11217A011
| ML11217A011 | |
| Person / Time | |
|---|---|
| Site: | Aerotest |
| Issue date: | 07/28/2011 |
| From: | Meren A Aerotest |
| To: | Office of Nuclear Reactor Regulation |
| References | |
| Download: ML11217A011 (6) | |
Text
AEROTEST OPERATIONS, INC.
3455 FOSTORIA WAY
- SAN RAMON, CA 94583 - (925) 866-1212 - FAX (925) 866-1716 28 July 2011 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 2010 to 30 June 2011.
Gentlemen:
The enclosed report summarizes the ARRR operations from July 1, 2010 through June 30, 2011. 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, Alfredo W. Meren Reactor Supervisor Aerotest Operations, Inc.
A subsidiary of Autoliv ASP, INC.
ANNUAL
SUMMARY
OF CHANGES, TESTS AND EXPERIMENTS PERFORMED AT THE AEROTEST RADIOGRAPHY AND RESEARCH REACTOR (ARRR)
DOCKET NO. 50-228 FOR THE PERIOD ENDING JUNE 30, 2011 BY ALFREDO W. MEREN REACTOR SUPERVISOR APPROVED BY SANDRA L. WARREN GENERAL MANAGER AEROTEST OPERATIONS, INC.
SECTION I Part I -
Changes Due to its unsuccessful attempt to avoid closure of its facility by working with the federal government to secure a commercial transfer of the facility and to comply with NRC requirements to resolve foreign ownership issues, Aerotest Operations, Inc.
voluntarily ceased reactor operations on Oct. 15, 2010.
EnergySolutions, LLC has been commissioned by Aerotest Operations, Inc. to develop a Decommissioning Plan for the facility, which will include a Historical Site Assessment, Characterization Plan, Characterization Report, Environmental Report and a report of estimated neutron activation products in facility structural materials for the possible closeout and release of the facility.
Part 2 -
Experiments No new experiments were performed during the year. The experiment performed in the reporting period was as follows:
Experiment No. 114: Neutron radiography performed in the radiography facilities.
SECTION II ARRR MONTHLY OPERATING
SUMMARY
Date Operating Hours 7-10 150 8-10 145 9-10 133 10-10 47 11-10 0
12-10 0
1-11 2
2-11 0
3-11 0
4-11 0
5-11 0
6-11 0
Kilowatt-Hours 28,143 27,087 25,071 7,853 0
0 293 0
0 0
0 0
Accumulated kW-h 14,136,017 14,163,104 14,188,175 14,196,028 14,196,028 14,196,028 14,196,321 14,196,322 14,196,322 14,196,322 14,196,322 14,196,322 Expts. &
Irradiations 25 27 23 11 0
0 0
0 0
0 0
0 Unscheduled Shutdowns 0
1 2
0 0
0 3
0 0
0 0
0 Totals 477 88,447 14,196,322 86 6
ARRR UNSCHEDULED POWER REDUCTIONS TYPE OF SCRAM CHANNEL AFFECTED NO.
DATE AUTO MAN Spurious OP. ERROR CAL 1
2 3
4 Earthquake H20 COMMENTS 1
8-28-10 X
X X
CH3 high spurious 2
9-1-10 x
x X
CH3 high spurious 3
9-8-10 X
X X
X X X
no visible alarm 4
1-5-11 X
X X
X X X
dropped rod?
5 1-24-11 X
X X
X X X
switching ranges 6
1-24-11 X
X X
CH4 low hysteresis 7
8 9
10 12 13 14 15 16 17 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 r40/
U NPOWRED.XLS