ML20211H560

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Esada-Vallecitos Experimental Superheat Reactor (Deactivated), Annual Rept 19
ML20211H560
Person / Time
Site: Vallecitos File:GEH Hitachi icon.png
Issue date: 12/31/1986
From: Cunningham G
GENERAL ELECTRIC CO.
To:
NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
19, NUDOCS 8702260208
Download: ML20211H560 (5)


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ESADA-VALLECITOS EXPERIMENTAL SUPERHEAT REACTOR (DEACTIVATED)

ANNUAL REPORT NO. 19 LICENSE DR-10 DOCKET 50-183 NUCLEAR SYSTEMS TECHNOLOGIES OPERATION e GENERAL ELECTRIC COMPANY VALLECITOS NUCLEAR CENTER, PLEASANTON, CALIFORNIA 94566 87022g@$D5 ef e - - - - - - -

ESADA-Vallecitos Exnerimental Suoerheat Reactor (Deactivated)

Annual Reoort No. 19 Ceneral Electric Company has maintained the ESADA Vallecitos Experimental Superheat Reactor (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 nineteenth annual report, a summary is presented as to the status of the facility for the period from January 1,1986, to December 31, 1986, as required by Paragraph 3.E.2. of the license.

I.

SUMMARY

The facility remains in essentially the same condition described in the eighteenth annual report. Entry into the containment building was made for routine radiation surveys and a general check of conditions throughout the building. Radiation levels remain essentially unchanged.

II. STATUS OF THE FACILITY Access to the containment building is controlled by the facility supervisor 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 the personnel and equipment hatchways remain in place.

III. RADIATION AND CONTAMINATION Complete radiation and contamination surveys of the facility indicate that the levels remain low. Survey results are tabulated in Table 1. The radiation / contamination levels listed are representative but not necessarily maximum values.

IV. ACTIVITIES Routine inspections were conducted during this report period.

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j EVESR Annual Rsport Ns. 19 V. ORGANIZATION There were no changes in the organization.

VI. CONCLUSION The General Electric Company concludes that the deactivated ESADA Vallecitos Experimental 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.

GENERAL ELECTRIC COMPANY Irradiation P O cessing $ peration A

By G( V. Titus, Manager Reactor Operations & Support Services 2

e.

g: EVESR Annual Rspart No. 19 TABLE 1. Radiation and Contamination Report Reactor Enclosure 12/85 06/86 12/86

1. Radiation Readings (mR/h gamma)
a. Top of spent fuel pool (main floor) 3.0 2.9 3.0
b. 549-ft level (main floor) <1.0 <1.0 <1.0
c. 534-ft level 1.0 <1.0 1.0
d. 519-ft level <1.0 <1.0 <1.0
e. 503-ft level (maximum pipe reading) 4.0 4.0 3.5
f. 487-ft level (basement) <l.0 <1.0 <1.0
2. Air Samples (pci/cc air beta-gamma) x 10- 0,
a. Top of spent _ fuel pool 0.052 0.042 0.19
b. 549-ft level 0.058 0.042 0.19
c. 519-ft level 0.093 0.027 0.15
d. 487-ft level 0.024 0.020 0.047
3. Floor Smears (c/m beta-gamma)**

549-ft level 400/ft 2 200/ft 2 400/ft 2

  • 24-hour decay.
    • For conversion to d/m, assume an instrument efficiency of 20%.

NOTE: Radiation levels, surface smears and air samples will vary from survey to survey as they are taken in general areas rather than at specific locations.

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-1 GENER AL $ ELECTRIC NUCLEAR ENERGY BUSINESS OPERATIONS GENERAL ELECTRIC COMPANY e VALLECTOS NUCLEAR CENTER e PLEASANTON, CALIFORNIA 94566 February 19, 1987 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. 19 for the ESADA-Vallecitos Experimental Superheat Reactor (deactivated).

Sincerely, t

hb G. E. Cun ingham Senior Licensing Engineer (415) 862-4330

/ca Enclosures

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