ML20062M488

Forwards Revised site-specific Response Spectra for Earthquake of 5.8 Magnitude

ML20062M488
Person / Time
Site:	Clinton
Issue date:	12/15/1981
From:	Wuller G ILLINOIS POWER CO.
To:	John Miller Office of Nuclear Reactor Regulation
References
U-0346, U-346, NUDOCS 8112170262
Download: ML20062M488 (7)

Text

.

. /LLINO/S POWER 00MPANY 3 (12 15y.5 - Y*

500 SOUTH 27TH STREET, DECATUR, ILUNOIS 62525 December 15, 1981 N 1 Mr. James R. Miller, Chief 'V

--Standardization & Special Projects Branch Division of_ Licensing

'[.A{\/LI

. .-/ j f' s Office of Nuclear Reactor Regulation I} D U. S. Nuclear Regulatory Commissicn Washington, D. C. H[EQJgNIb~.

MP

Dear Mr. Miller:

20555

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Clinton Power Station Unit 1 ah Docket No. 50-461 Enclosed ~are copies of revised site specific response 1,pectra. The original spectra was transmitted to the NRC as part of Enclosure 2 of IP letter U-0378, dated December 3, 1981. These revised spectra, prepared by Weston Geophysical for the Clinton Power Station, are for an earthquake of 5.8 magnitude. The original spectra, which were the slides used-in the December 3, 1981 seismic presentation by Weston Geophy ^

sical to the NRC's Geosciences Branch, were slightly in error.

A typographical mistake in the processing of the strong motion data excluded record I-152 in certain frequency ranges. Record I-152 has now been included in the deyelopment of the revised site specific spectra.

Sincerely,

,/. E G. E. Wuller Supervisor-Licensing GEW/em cc: J. H. Williams, NRC Clinton Project Manager H. H. Livermore, NRC Resident Inspector R. Jackson, NRC Chief Geosciences Branch G. Giese-Koch, NRC Geosciences Branch hDR DO O O4 1 A PDR

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