ML13088A167
| ML13088A167 | |
| Person / Time | |
|---|---|
| Site: | Vallecitos Nuclear Center |
| Issue date: | 03/25/2013 |
| From: | Mcfadden A GE-Hitachi Nuclear Energy Americas |
| To: | Document Control Desk, NRC/FSME |
| References | |
| AEM 13-02 | |
| Download: ML13088A167 (5) | |
Text
HITACHI GE Hitachi Nuclear Energy Anthony McFadden Site Manager GEH Vallecitos Nuclear Center 6705 Vallecitos Rd Sunol, CA 94586 Ser: AEM 13-02 1 - (925) 862-4344 anthony.mcfadden@ge.com March 25, 2013 U.S. Nuclear Regulatory Commission Attn: Document Control Desk Washington, D.C. 20555-0001
Subject:
Annual Report for VBWR, 2012
Reference:
License DRP-1, Docket 50-18
Enclosure:
Annual Report No. 48 Enclosed is the Annual Report No. 48 for the deactivated Vallecitos Boiling Water Reactor (VBWR),
located at Vallecitos Nuclear Center near Sunol, California.
If there are any questions, or additional information required, please contact me at the number above.
Sincerely, Manager, Vallecitos Nuclear Center Cc: John Buckley, NRC (by e-mail)
Robert Evans, NRC Region IV (by e-mail)
~5A1~fLO
0 HITACHI GE Hitachi Nuclear Energy Vallecitos Nuclear Center Sunol, California VALLECITOS BOILING WATER REACTOR (DEACTIVATED)
ANNUAL REPORT NO. 48 FOR THE YEAR 2012 LICENSE DPR-1 DOCKET 50-18 MARCH 2013
VBWR Annual Report No. 48 Vallecitos Boiling Water Reactor (Deactivated)
Annual Report No. 48 GE Hitachi Nuclear Energy has maintained the Vallecitos Boiling Water Reactor (VBWR) in a deactivated status under the authority of Amendment No. 21 to License DPR-1, Docket 50-18, issued Oct 22, 2007. In this annual report, a summary of the status of the facility for the period of January 1, 2012 to December 31, 2012 is presented, as required by paragraph 5.d.2 of the license.
1.0
SUMMARY
All reactor systems have been removed from the containment except for the reactor vessel.
The water level within the reactor vessel was monitored and has remained essentially constant throughout the report period.
Radiation and contamination levels remain at acceptable levels.
2.0 STATUS OF FACILITY In accordance with written procedures, the Facility Manager controls access to the containment building and general systems. The facility continues to be in deactivated status in safe storage condition.
3.0 RADIATION AND CONTAMINATION Complete radiation and contamination surveys of the facility indicate that levels remain low.
Results of the surveys are presented in Table 1. The radiation/contamination levels listed are representative but not necessarily maximum values.
4.0 ACTIVITIES Routine inspections were conducted during this report period. No other significant activities occurred at VBWR.
Page 1 of 3
VBWR Annual Report No. 48 5.0 ORGANIZATION The organizational structure changed during 2012. The Site Manager remains A. E.
McFadden. The VBWR Facility Manager remains M. R. Schrag. The Manager, Regulatory Compliance and EHS is now E. F. Saito.
6.0 CONCLUSION
GE Hitachi Nuclear Energy concludes that the deactivated VBWR is being maintained in a safe shutdown condition. The inspections, access control, and administratively controlled activities ensure maximum protection for the public health and safety. The procedures will be continued to maintain this high level of protection.
GE Hitachi Nuclear Energy Vallecitos Operations Mcnadden Manager Vallecitos Nuclear Center Page 2 of 3
VBWR Annual Report No. 48 Table 1 Radiation and Contamination Level Data Vallecitos Boiling Water Reactor (Deactivated)
Contamination Levels Surface Smears Airborne Beta-Gamma1 Radiation Levels Beta-Gamma Beca
-10)
(mR/h Gamma)
(dpm/ft2)
(LCi/cc x 10-(0)
(decayed)
Report Year:
2011 2012 2011 2012 2011 2012 Reactor Enclosure, Main Floor 0.09 0.05 General
<1
<1 400 100 Top of Spent Fuel Pit Cover
<1
<1
<500 1,500 Reactor Basement 0.09 0.02 Upper Level
<1
<1 2,500 1,500 Basement Sump 15 15 25,000 3,000 General area
<1
<1 2,500 1,500 Deck/Reactor Vessel Head 3
<1 25,000 1,000 Note:
- Radiation levels, surface smears, and air samples may vary from survey to survey as they are taken in general areas rather than at specific locations.
Survey Dates:
2011 - 12/08/2011 2012 - 12/19/2012 1 24-hour decoyed values Page 3 of 3