ML17037B946

Letter Concerning the September 29, 1976 Response Regarding the Revetment Ditch System and Enclosed Table 1 Describing the February 3, 1972 Verification Storm Surge

ML17037B946
Person / Time
Site:	Nine Mile Point
Issue date:	10/12/1976
From:	Rhode G Niagara Mohawk Power Corp
To:	Rusche B Office of Nuclear Reactor Regulation
References
Download: ML17037B946 (6)

Text

U.S. NUCLEAIlAEGULATOBVC~ISSION NAG FoBM 195 I2.76)

NRC DISTRIBUlION FoA PART 50 DOCI(ET NIATERIAL DOCV<<ET NUMOEf1 50-410 FILE NUMBER TO:

Hr. Benard C. Rusche

. FROM:

Ni'agara Mohawk Power Corp.

Syracuse, New York Gerald K.'Rhode DATE OF DOCUMENT 10/12/76 DATE RECEIVED 10 15 76 JÃLETTER

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'One signed DCSCRIPTION Ltr. w/attached table...',re their 9/29/)6 tr.'.. concerning the Revetment Ditch System for Unit*No. 2.

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NIAGARA MOHAWK POWER CORPORATION

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MOHAWK 300 ERIE BOULEVARDWEST SYIIACUSK,N.Y. IS202 October l2, l976 Director of Nuclear Reactor Regulation Attn:

Mr. Benard C. Rusche, Director U. S. Nuclear Regulatory Commission Washington, D. C.

20555 Re:

Nine Mile Point Unit 2 Docket No. 50<<4l0 POCI(ETBI

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'S<<III'ear Mr. Rusche:

Enclosed please find Table l of our September 29, l976 response regarding the Revetment Ditch System for Nine Mile Point Unit 2.

This information, which describes the February 3, "l972 verification storm surge, was inadvertently omitted from our original submittal.

Please excuse any inconvi ence whi ch this oversight may have caused.

Very truly yours, NIAGARA MOHAVK POWER CORPORATION NLR/sz Enclosure GERALD-K. R ODE Vice President E 'ering, ~

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TABLE 1 SURGES OF FEBRUARY' 1972 STORM Nine Mile Point Nuclear Station Unit 2 Niagara Mohawk Power Corporation Location Oswego Toronto

.667

.292

.624

.283

.685

.270 Maximum (ft) 115~15000'20~20000'30~30000'15-120

.043

.009

.061

.013

.311

.853

.358

.788 Minimum (ft) 13p-12p 115~15000'20~20000'30~30000'

.343

.815

.047

.065

.015

.027 115-12p 130 12p Cobourg

.743

.288

.678

.242

.765

.257

.065

.046

.087

.015

.349

.420

.345

.370

.387

~ 353

.004

.050

.042

.017 Cape Vincent Hamilton

.208

.364

l. 117

.364

1. 190

.449

.091

.0

.073

-.285

.085

-1.308

.275

-1.295

.286

-1.253

-.010

.013

-.011

.042 Rocheste Olcott

. 254

.172

.118

.163

.235

.180

.066

.009

.047

.017

.215

.429

.124

..476

-.172

-.436

.091

.047

-.048

.040

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