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J.ersey Central Power & Light Company L <.'
D MADISON AVENUE AT PUNCH BOWL ROAD
- M033@IOWN, N.J. 07960
- 201539-6111 General Public Utinties Corporation March 1, 197h y y..,
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Donald J. Skovholt
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Assistant Director for b(,[;.
NAR6874 - ci Operating Reactors Directorate of Licensing 43 2;, g,g Office of Regulation
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U.S. Atomic Energy Commission y,) r2 i'2. '},q Washington, DC 205h5 gehe,/
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Dear Mr. Skovholt:
SUBJECT:
OYSTER CREEK NUCLEAR GENERATING STATION ROD DROP ACCIDENT ANALYSIS Your letter dated December 10, 1973 requested that the subjec+.
analysis be performed for the Oyster Creek Nuclear Generating Station and that a Technical Specification Change be submitted to reduce the maximum allovable in-sequence rod worth.
In order to assure that only an in-sequence rod be considered in the analysis, you further requested that the change include a modifi-cation to the Limiting Condition for Operation requirements for the Rod Worth Minimizer (RWM).
The appropriate analyses have been completed, however additional time is required to allow for General Office Review Board and Plant Operations Review Committee review and approval of the Technical l
Specification Change and supporting analyses.
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In this regard, we are respectfully requesting a thirty (30) day extension to the March 1,197h submittal date.
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Q Donald J Skovholt.
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- March 1, 197h
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As per your request, prior to the April 1,197h submittal, the control rod withdrawal sequence at Oyster Creek will assure that the maximum calculated reactivity that could be added by drop-out of any increment of any one control rod will not make the core more than 1.3% ak/k supercritical.
l Very truly yours,
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O Ivan R. Fin rock Jr.
Vice Presi nt V asb l
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