ML20150B929
| ML20150B929 | |
| Person / Time | |
|---|---|
| Site: | Browns Ferry  |
| Issue date: | 02/26/1988 |
| From: | Barr K NRC OFFICE OF SPECIAL PROJECTS |
| To: | |
| Shared Package | |
| ML20150B926 | List: |
| References | |
| 50-259-87-46, 50-260-87-46, 50-296-87-46, NUDOCS 8803170194 | |
| Download: ML20150B929 (2) | |
Text
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_ ENCLOSURE 1 NOTICE OF VIOLATIONS Tennessee Valley Authority Docket Nos. 50-259, 50-260, and 50-296 Browns Ferry 1, 2, and 3 License Nos. DPR-33, DPR-52 and DPR-68 During the Nuclear Regulatory Commission (NRC) inspection conducted on December 1-31, 1987, a violation of NRC requirements was identified.
The violation involved failure to properly test the Standby Gas Treatment System following the fire in the Unit 2 Drywell on November 2, 1987.
In accordance with the "General Statement of Policy and Procedure for NRC Enforcement Actions," 10 CFR Part 2, Appendix C (1985), the violation is listed below:
Technical Specification (TS) 4.7.8.2.a requires that halogenated hydro-carbon (freon) removal efficiency of the Standby Gas Treatment System I
(SGTS) be demonstrated to be greater than or equal to 99% by the test i
methods of ANSI N510-1975 following significant painting, fire or chemical release in a zone communicating with the system.
Contrary to the above, the test performed on SGTS Train B November 25, 1987, to satisfy this requirement following a fire in the Unit 2 Drywell did not comply with ANSI N510-1975 in the following examples:
1.
The freon gas generator output was not held to 20% of the pre-set value as specified in step 12.4.3 of ANSI N510-1975.
4 2.
The upstream concentration of freon tracer gas was not limited to 20 ppm as specified in step 12.4.3 of ANSI N510-1975 This is a Severity level IV Violation (Supplement I) and is applicable to
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all three units.
Pursuant to the provisions of 10 CFR 2.201, you are hereby required to submit to this Office within 30 days of the letter transmitting this Notice a written statement or explanation in reply including:
(1) admission or denial of the violation, (2) the reason for the violation if admitted, (3) the corrective steps which have been taken and the results achieved, (4) the corrective steps 8803170194 800226 PDR ADOCK 05000259 Q
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Tennessee Valley Authority 2
Docket Nos. 50-259, 50-260, and 50-296 Browns Ferry 1, 2, and 3 License Nos. OPR-33, DPR-52 and DPR-68 which will be taken to avoid further violations, and (5) the date when full compliance will be achieved. Where good cause is shown, consideration will be given to extending the response time.
FOR THE NUCLEAR REGULATORY COMMISSION
/
5 enneth P. Barr, Acting Assistant i
Director for Inspection Programs f
TVA Projects Division Office of Special Projects Dated at Atlanta, Georgia this t$ day of February 1988 o
e t
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