ML20155F279

From kanterella
Jump to navigation Jump to search
Forwards Response to Concerns Re Suppression Pool Dynamic Loads.Response Divided Into Three Parts Due to Organizational Div of Responsibility
ML20155F279
Person / Time
Site: Grand Gulf, 05000000
Issue date: 04/25/1975
From: Mcgaughy J
MISSISSIPPI POWER & LIGHT CO.
To:
Office of Nuclear Reactor Regulation
Shared Package
ML20155E140 List:
References
FOIA-88-91 NUDOCS 8806160336
Download: ML20155F279 (2)


Text

c ..

r

,e W@

I h

i 4 Mi$5lSSIPPI

'.- POWER & LIGHT COMPANY ,

Helping Boild Mississippi

,\"

D EM E P. O. B O X ,16 4 0, J A C K S O N , M I S S I S S I P P I 3 9 2 0 5 P900UC71ON OCPARTWCNT

~

ua7-iR ,

April 25, 1975

.dh 3 5 3'5 Nucicar Regulntory Commission Washington, D. C. 20545 UCENSING fttention: Deput/ Director for Rr. actor Projects

  • Directorate of Licer. sing Gentlemen:

SUBJECT:

Grand Gulf Nuc1 car Station Units 1 and 2 Docket Nos. 50-416-417 File 0272/0277/5016

. Supprossion Pool Dynamic Loads AECM-75/21 REFEPINCE: (1) Letter, Dr. k' alter R.

But1cr to Mr. 1;. L. Stampicy of March 3, 1975

. (2) Letter, J. P. McGaughy, Jr.

to Nucicar Regulatory Co mission of March 18, 1975 Enclocure (2) of ncference 1 contained nino specific items of Staff concera on the general topic of suppression pool dynamic loads. Enclosed are three copics of our response to thoce concerns. The response has been divided into three cec-tions, primarily due,to the organizational division of responsibility; in general, the relationship beti.*cen the sections and the nine items of Enclosure (2) can be sucnarized as follous:

Section I contains a. chronology of the pool dynamic lo3ds, a ,

description of the cognitude of the loads, and various bar  !

charts that indicate the total applicahic pool dynamic load as a function of time. This part is directed to Itens 2, 3, l 4, and 6 of Enclosure (2). j Section II contains a description of the affected structures, analysis procedurcs, and quantifics the relative importance of l the po,1 dynamic loads. This part is directed to Items 5 and )

6. l I

l l

8806160336 880606 l PDR FOIA CONNOR

' 88 -91 PDR3 g

f4 ,

I

i

  • MISCISSIPPI POWER & LIGHT COMPANY U . * . ,

Nuclear Regulatory Commission April 25, 1975  ;

Washington, D. C. 20545 ,

AECM-75/21 l Section III contains the justification for the loads pre-sented in Section I. In addition, information relating to the schedule for the Mark III Verification Program is pre-vided. This part is directed to Items 7 and 9.

Drawings as requested in Item 1 of Enclosure (2) (and referenced in Section II of this report) and the schedule of design, procurement, and construction re-quested in Item 8 were provided earlier by Reference (2). 4 Yours truly, /

I (l'Wg i *

  • J. P. McGaughy, Jr.

Project Manager CLP/ad Attachments: Section I, II, and III -

Response to March 3, 1975 Request cc: Mr. Troy B. Conner, Jr. .

Mr. Robert'C. Travis 6 g W

e 9

S m --- , - , -+w ,,,~e --3 p-, , , . - , - w--, n w- w m--