ML20125D385

Hazard Analysis Supporting Change 3 to License DPR-11, Authorizing Rescheduling of Integrated Leakage Rate Testing of Reactor Bldg

ML20125D385
Person / Time
Site:	05000130
Issue date:	03/04/1965
From:	Boyd R US ATOMIC ENERGY COMMISSION (AEC)
To:
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References
FOIA-85-54 NUDOCS 8506120340
Download: ML20125D385 (2)

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l DCfNSE AUTHORITY MLE COPY 4AZARDS ANALYSIS BY THE RESEARCH AND POWER REACTO NCH DIVISION OF REACTOR LICENSING IN THE MATTER OF NORTHERN STATES POWER COMPANY

_ PROPOSED CHANGE NO. 3

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=ast:d authorization of a change in the Technical Specifica omp SP) 2 '1 pursuant to the provisions of 10 CTR 50.59 ns to ense r_ pat:d Proposed Change No. 3, would allow NSP to re-schedulThis request, which we ha j

.usge rate test of the reactor building which is required each 18 months as e the integrated

3 ad 10 the Technical Specifications.

The last test was performed on I

.m=::er 18,1963 NSP proposes to re-schedule the leakage rate testing to a la JI.

.= $3 condition that such tests will be done after completion of the low er date se t: ting program and prior to continuation of reactor operation.

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~ : currently conducting low power tests which should be compl t d b

• May 1965 x2::y la preparation for continued reactor operation.After this test phase ee y the

==., th] xeactor will not be operated.

During this interim We believe that re-scheduling the 2 a and acceptable from a safety viewpoint =.;:st:d leak rate testa to a t

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.2v cf the above, we believe that the first paragraph of 3 7 2(f) e.:.:.a1 Specifications of License No. DPR-11 may be changed to zwad as of the

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.7.J(f) be perfortned at least once every 18 months except t leakage rate test required to be performed by May plant modifications for full power operation but befor 18, 1965,

reactor operations after the modifications."

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asis of the foregoing, we have concluded that Proposed Change No

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pre:ent significant hazards considerations not described or impil it

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~ in the hazards susunary mport and that them is masonable assurance that the health and safety of the public will not be endangend.

.t Originalsigned br.

6 Rogers.Boyd Roger S. Boyd, Chief Research & Power Reactor Safety Branch g

Division of Reactor Licensing Date E

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