ML20205E595
| ML20205E595 | |
| Person / Time | |
|---|---|
| Site: | Vallecitos File:GEH Hitachi icon.png |
| Issue date: | 12/31/1998 |
| From: | Arlt F, Murray B GENERAL ELECTRIC CO. |
| To: | NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM) |
| References | |
| 31, NUDOCS 9904050233 | |
| Download: ML20205E595 (5) | |
Text
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GE NucIcar Energy Genera!llectoc Company Va!!eatos Nudear Cente:r 6705 Va im:rtus Read. Sunal. CA 946iiE r
March 26,1999 U.S. Nuclear Regulatory Commission Washington, D.C. 20555 Attention: Document Control Desk
Reference:
License DR-10, Docket 50-183 Gentlemen:
Enclosed are three signed copies of Annual Report No. 31 for the ESADA-Vallecitos Experimental Superheat Reactor (deactivated).
Sincerely, 9x ~
B. M. Murray j
Senior Licensing Engineer (925) 802-4455
/cc Enclosures O
iuM 9904050233 981231 7
^O'OUV"
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GE NuclearEnergy i
l Vallecitos Nuclear Center l
Sunol, California l
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ESADA-VALLECITOS EXPERIMENTAL SUPERMEAT REACTOR i
l (DEACTIVATED) l i
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ANNUAL REPORT NO. 31 i
i LICENSE DR-10 DOCKET 50-183
ESADA VALLECITOS EXPERIMENTAL SUPERHEAT REACTOR (DEACTIVATED)
ANNUAL REPORT NO. 31 General Electric Compa ly has maintained the ESADA Vallecitos Experimental Superheat Reactor a
4 (EVESR) in a deactivated status under the authority of Amendment No. 3 to License DR-10, Docket 50-183, issued June 11,1976. In this thirty-first annual report, a summary is presented as to the status of the facil:ti for the period from January 1,1998, to December 31,1998, as required by paragraph 3.E.2. of the license.
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SUMMARY
1 The facility remains in essentially the same condition described in the thirtieth annual report. Entry into the containment building was made for routine radiation surveys and a general check of conditions throughout tha building.
4 Radiation levels remain essentially unchanged.
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- 11. STATUS OF FACILITY 1
1 Access to the containment building is controlled by the Faci!ity Manager according to written procedures. The reactor vessel and head storage shield plugs, the wooden cover over the fuel j
storage pool, and the locked covers for the perso.1nel and equipment hatchways remain in place.
i Ill. RADIATION AND CONTAMINATION Complete radiation and contomination sJrveys of the facility indicate tinet the levels remain low.
Survey results are tabulated in Tabla 1. The radiation / contamination levels listed are representative but not necessarily maximum values.
IV. ACTIVITIES 1
i Routine inspectivns were conducted during this report period.
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l EVESR Annual Repon No. 31 l
V. ORGANIZATION j
There were no organization changes in 1998.
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VI. CONCLUSION l
l The General Electric Company concludes that the deactivated ESADA Vallecitos Experimental i
Superheat Reactor 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.
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i GENERAL ELECTRIC COMPANY Vallecitos and Merris Operations
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F. A. Arlt, Manager Facilities Ma ntenance 1
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EVESR Annual Report No. 31
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TABLE 1. RADIATION AND CONTAMINATION REPORT Reactor Enclosure i
l 1.
Radiation Readings (mR/h gamma) 11/97 11/98 4
a.
Top of spent fuel pool (main floor)
<1
<1 b.
549-ft level (main floor)
<1
<1 1
c.
534-ft level
<1
< 1-2.5 1
d.
5194t level
<1
< 1-1.5 l
e.
503-ft level (maximum pipe reading)
<1 0.8 2
f.
487-ft level (basement)
<1
<1
'2.
Air Samples (pCi/cc air beta-gamma) x 10-9*
j a.
549-ft level 4.3 0.0038
]
b.
519-ft level N/A 0.0064 c.
487-ft level 2.0 0.0041 4
l 3.
Floor Smears (c/m beta-gamma)**
t 549-ft level 400/ft' 600/ft' i
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- Initial count concentrations for 1997; 24-hour decay data for 1998. The airborne beta-gamma concentrations for 11/97 are presented for the initial counts; 24-hour decay values were not available. The 1* G8 concentrations are the 24-hour decayed values.
- For conversion to d/m, assume an instrument efficiency of 20%.
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.
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