ML16341A849

7 to Updated Final Safety Analysis Report, Chapter 5, Table 5.2-4 - Table of Damping Values. Page 1 of 1

ML16341A849
Person / Time
Site:	Cook
Issue date:	10/24/2016
From:	Indiana Michigan Power Co
To:	Office of Nuclear Reactor Regulation
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ML16336A263	List: AEP-NRC-2016-42, Fire Protection Program Change Summary ML16336A225 ML16336A228 ML16336A238 ML16336A291 ML16336A292 ML16336A294 ML16336A295 ML16336A297 ML16336A298 ML16336A299 ML16336A300 ML16336A301 ML16336A302 ML16336A303 ML16336A304 ML16336A305 ML16336A306 ML16336A308 ML16336A309 ML16336A310 ML16336A311 ML16336A312 ML16336A313 ML16336A314 ML16336A315 ML16336A316 ML16336A317 ML16336A318 ML16336A319 ML16336A320 ML16336A322 ML16336A323 ML16336A324 ML16336A325 ML16336A327 ML16336A328 ML16336A329 ML16336A330 ML16336A332 ML16336A333 ML16336A334 ML16336A336 ML16336A337 ML16336A338 ML16336A339 ML16336A340 ML16336A341 ML16336A342 ML16336A345 ... further results
References
AEP-NRC-2016-42
Download: ML16341A849 (1)

Text

INDIANA AND MICHIGAN POWER D. C. COOK NUCLEAR PLANT UPDATED FINAL SAFETY ANALYSIS REPORT Revision: 24.0 Table:

5.2-4 Page:

1 of 1 TABLE OF DAMPING VALUES Percent of Critical Damping Type of Structure Operating Basis Earthquake Design Basis Earthquake Containment Structure and all internal concrete structures 4%, 2%

7%, 5%

Other conventionally reinforced concrete structures above grade, such as shear walls or rigid frames 2%

5%

Welded structural steel assemblies 1%

1%

Bolted or riveted steel assemblies 2%

2%

Piping 0.5%

0.5%

Analyzed with accident conditions Analyzed without accident conditions Note 1: AEC Reg. Guide 1.61 (Oct. 1973) permits the use of higher damping values than those values indicated in this Table.

Note 2: In support of the Dry Cask Storage Project, damping values based on Regulatory Guide 1.61 Rev. 1 were used for the design analysis that increased the Maximum Critical Load (MCL) rating of the east auxiliary building crane.