ML19329E474

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Summary of 780502 Site Visit W/Util in Midland,Mi Re Insp of Cooling Lake,Intake Structure,Tittabawassee River,Flood Control Dikes & Upstream Dams
ML19329E474
Person / Time
Site: Midland
Issue date: 06/08/1978
From: Johnson T
Office of Nuclear Reactor Regulation
To: Hulman L
Office of Nuclear Reactor Regulation
References
NUDOCS 8006160277
Download: ML19329E474 (2)


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a Docket mos. 50-3 THIS DOCUMENT CONTAINS and 50-330 POOR QUAUTY PAGES MENDRANMBf FORs L. C. Palmon, Chial Hydrology 4ieteorology Branch, DSE FROK:

Terry L. Johnman, Hydraulic Engineer Hydrologic Engineering Sectics RydrologyWieteorology 3 ranch, ESE

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vf114== S. Bivins, YMr 1

Eydrologic Engineering Section Hydrology-Meteorology Branch, DSE

SUBJECT:

SITE VISIT - HIDLAND ITJCLEAv. PO*7R PIXiT On May 2,1978 a site visit was taken to Midland Nuclear Power Plant by the NRC staff. After a brief orientation upon arrival at the office, we were given tours of the site area. I vic.7ed the ecoling lake, intake structure, Tittabasassee River, flood control dilram, and other features of the site area. Iater in the day I was given a tour of four upstream dans in the Tittabawassee River Basin? The following

'NG four dans vera visited:

(1) Sanford; (2) Secard; (3) Edenville; and (4) Smallwood. These dame had been analysed in the FSAR to determine

.the impact of their fafinre on the Probable Mari==n F1ced level.

The purposa of the inspection was to gather as unch information as possible about the dame and assumptions made to assees their failure.

The applicant, in response to staff hydrologic== ing questione, indicated that certain information about the dans (such as composition,

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epillway rating curves, etc.) was not available. We discovered during the sita visits that the informaties was av=41=hle end that Wolverine Power Compesy (owner of the dams) had published a perti===t data sheet f.Q. 'h regarding each of the dame. The applicast stated that the date would

.MTg j be provided in sa===aa===* to the FSAR.

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After the dam inspection, the site visit una complete.

Original Signed M

' Terry L. Johnson DISTRIBUTION Tem L. Johnson, Wah hgimer Docket Files 50-329 HydroloS c EnSineering Sectica i

and 50-330 NRR Rdg Hydrol gy-Nete r logy Branch,I4E

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