ML19322B350
| ML19322B350 | |
| Person / Time | |
|---|---|
| Site: | Oconee  |
| Issue date: | 01/12/1976 |
| From: | Purple R Office of Nuclear Reactor Regulation |
| To: | Parker W DUKE POWER CO. |
| Shared Package | |
| ML19322B351 | List: |
| References | |
| NUDOCS 7912020197 | |
| Download: ML19322B350 (3) | |
Text
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g E00R DER JAN 121976 Docket Nos. 50-269 l
50-270 i
and 50-287
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1 Duke Power Company ATTN: Mr. William O. Parker, Jr.
Vice President Steam Production Post Office Box 2178 422 South Church Street Charlotte, North Carolina 2:242 k
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By letter dated December 6,1974, we requested that yon ' submit sa application to your license that would change the Technical Specifications related to installed filter systems. This was considered necessary in order to==== w high confidence that the systems will function reliably, when needed, at a degree of efficiency equal to or better than that assumed in the accident t
saalyses. Your reply of January 15, 1975, s===dsed your review of this subject and expressed the conclusion that the present Technical Specifications for the Oconee Nuclear Station are adequate to====re the reliability and efficiency of the systems.
g We have again reviewed the Ocomoe Technical Specifications for filter systems in light of your coussents and those we have received from other licensees on this general subject. We find that these t=ehnical specifi-cations do not provide the desired degree of assurance.- In particular, the tochtical specifications for the Penetration Roon Yeatilation System and
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the Hydrogen Purge System are lacking is certain Limiting Conditions for Operation and surveillance requirements that we believe are meca==ary.
Nt f-Regarding the Penetration Room Ventilation System, the following are examples <
of requirements not included in your present technical'specificatiems:
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Limiting Conditions for operation (140's) specifyihli the DW or halogenated. '
hydrocarbon removal efficiency of the HEPA filters and charcoal adsorber..
beaks, respectively.
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Am LCD specifying the radioactive methyl iodide'rseaval efficiency of pV a laboratory carbon sample analysis.
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e An 140 to verify system fan operation withis f10($
design flow.
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Surveillance requirements 'to perform cold DOP or halog
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' canon testing ~after each complete or partial repl ensted hydn-filter bank or charcoal adsorber bank, respectively acement of a HEPA N
With referenes to the liydrog'en Purge System of requirements not included in your present technical spe ifithe
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Aa LCD to require restoring the system to an operabl
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a specified time period after the system is determined to b inoperable.-
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of a laboratory carbon Aanple analysts.An LCD spec effteiency i
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at least 10 hours1.157407e-4 days <br />0.00278 hours <br />1.653439e-5 weeks <br />3.805e-6 months <br /> each month.1he requirement to operate th energized, Inclosed are draft technical specifications for the p..
and efficient operettom of the filter systems.parate all of
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re availability we request that Specifications, you submit an application for amendment to your Techn q
within 30 days of nccipt of this letter, that will inc 4
porate the requirements of the enclosed specifications er-Sincerely, l
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Originnisigned by.:
Robert A. Purple i
1, Robert A. Purple, Chief
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I Duke Power Company January 12, 1976 cc: Mr. William L. Porter Duke Power Company P. O. Box 2178 422 South Church Street Charlotte, North Carolina 28242 Mr. Troy B. Conner Conner G Knotts 1747 Pennsylvania Avenue, IN Washington, L. C.
20006 Oconee Public Library 201 South Spring Street j
Walhalla, South Carolina 29691 t
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