ML20196C323
| ML20196C323 | |
| Person / Time | |
|---|---|
| Site: | Vallecitos File:GEH Hitachi icon.png |
| Issue date: | 12/31/1987 |
| From: | Cunningham G, Titus G GENERAL ELECTRIC CO. |
| To: | NRC OFFICE OF ADMINISTRATION & RESOURCES MANAGEMENT (ARM) |
| References | |
| 20, NUDOCS 8802160061 | |
| Download: ML20196C323 (5) | |
Text
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i ESADA-VALLECITOS EXPERIMENTAL SUPERHEAT REACTOR (DEACTIVATED)
ANNUAL REPORT N0. 20 LICENSE DR-10 DOCKET 50-183 i
r NUCLEAR OPERATIONS e GENERAL ELECTRIC COMPANY VALLECITOS NUCLEAR CENTER, PLEASANTON, CALIFORNIA 94566 ggaigggg[gj 3
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ESADA-Vallecitos Excerimental Suoerheat Reactor 1
(Deactivated) i
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Annual Renort No. 20 S
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General Electric Company has maintained the ESADA Vallecitos Experimental
'SuperheatReactor(EVESh)inadeactivatedsta'tusundertheauthorityof Amendment No. 3 to License DR 10, Docket 50183, issued June 11, 1976.
In thin twentieth annual. report, a summary is presented as to the status of the ' facility for the period frok January 1,1987, to December 31, 1987, as required by Paragraph 3.E.2. c ' the license.
I.
SUMMARY
The facility remains in essentially the same condition described in the 3
nineteenth annual report.
Entry into the containment building was made for routine radiation surveys and a general check of conditions throughout the l
building. Radiation levels remain essentially unchanged.
t II. # STATUS OF THE EACILITY Access to the containment building is controlled by the facility suporvisor according to written procedures. The reactor vessel and head storage shield plugs, the wooden cover over the fuel storage pool, and the locked covers for l
the personnel end equipment hatchways remain in place.
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a III.
RADIATION AND CONTAMINATION Complete radiation and contamination surveys of the facility indicate that l
the levels remain low.
Survoy results are tabulated in Table 1.
The radiation / contamination levels listed are representative but not necessarily j
maximum values.
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EVESR Annual Rsport No. 20
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IV.
ACTIVITIES l
Routine inspections were conducted during this report period.
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I V.
ORGANIZATION i
l There were no changes in the organization.-
VI.
CONCLUSION a
i The General Electric Company concludes that the deactivated ESADA Vallecitos I
Experimental Superheat Reactor is being maintained in a safe shutdown j
condition. The inspections, access control, and administratively controlled j
activities ensure acximum protection for the public health and safety. The 1
procedures will be continued to maintain this high level of protection.
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CENERAL ELECTRIC COMPANY r
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/Gf W. titus, Manager j
Reactor Operations & Support Services t
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EVESRIgnut1ReportNo. 20
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"eJ TABLE 1.
Radiation and Contamination Reoort i
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Reactgymigamu 12/86 06/87 12/87 i
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1.
Radi$ tion Readings (mR/h gamma)
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-a.
Top <f spent fuel pool,(main floor) 3.0 1.5 1.5
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- b. ' 549 py level (main floor)
<1.0
<1.0
<1.0 1
c.
534-fr. level 1.0 1.0 1.0 f,,;
d.
519-ft level
<1.0
<1.0
<1.0 503-ft leve1 4 maximum pipe reading) 3.5 2.2 2.5 e.
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f.
487 ft level,(basement)
<1.0
<1.0
<1.0 2.
Air Samples (pCi/cc air' beta-gamma) x 10
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a.
549-ft level 0.19 0.019 0.021 I.
b.
519 ft level 0.15 0.11 0.12 c.
487-ft level 0.047 0.073 0.069 f
3.
Floor Smears (c/m beta-gamma)**
i 549-(t 7evel 400/ft2 400/ft2 400/ft2
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- 24 hour decay.
- 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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GENER AL $ ELECTRIC NUCLEAR ENERGY BUSINESS OPERATIONS GENERAL ELECTRJC COMPANY e VALLECTOS NUCLEAR CENTER e PLEASANTON, CAUFORNIA 945d4 I
February 1, 1988 4
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. 20 for the ESADA-Vallecitos Experimental Superheat Reactor (deactivated).
Sincerely, 3
G.
E.
Cun ngham i
Senior Licensing Engineer (415) 862-4330
/ca Enclosures Ao71
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