Its list ll,

March 10, 1987

Docket Nos. 50-275 and 50-323

LICENSEE:

FACILITY:

SUBJECT:

Pacific Gas and Electric Company (PGr8E)

Diablo Canyon Nuclear Power Plant, Units I and 2

- MEFTING WITH LICENSEE ON FEBRUARY 18, 1987 SPENT FUEL

POOL EXPANSION RACK TO RACK INTERACTIONS

ll, list NRC staff and its consultant from Franklin Research Center (FRC)

on February 18, 1987 to discuss the subject. The meeting notice attendees are attached as Enclosures 1 and 2, respectively. In

a

met with PG&E

and

of

letter of

February

1987 the staff had requested PGSE to provide additional

information and clarification on the following four items with respect

to

rack-to-rack interactions:

I. Rocking Springs

2. Coefficient of Friction

3. Fluid Coupling

4. Time Histories

The purpose of the meeting was for PGSE to provide its response to the

request, to be followed with a formal submittal which would also consider any

,

staff comments and results

discussed at this meeting

forthcoming hearing on the

any licensing action. The

wfssarpstoaemnpftfr'tishnfeucesiulmp.maempleloatyiornylgg.oeexnfpearPtahnGt'eIseIidEoPnGstIiIanEatnedppdrreenpstoheatnarattaatsitoitohanne,sbfianosfiirsosrtmhfeoartion

provided in Enclosure 3.

At the conclusion of the PGSE presentation the NRC staff and its consultant

ll, requested that the 'following additional information also be provided in

response to items 2 and 3 of the NRC letter of February

1987 (see also

Enclosure 3):

2a. Coefficient of Friction:

Compare the impact forces using u = 0.8 and u = 0.2

for single rack and multiple rack, keeping the distance

between adjacent racks constant.

,,

8703170031

PDR ADOCK

870310 05000275

P

PDR

~~

~

?i

p It

?$

I? 'I ~

' f \'p

Ii ~ l?r I g Il If

~ ~ P I """Ir?

?

q.iver

~

II I II'

'1

?

fl" '

l ? II 'fI I".l ?

*?

'y lr ,,'h l

I

I);

?

~ )i!I I

l I"Il!' .y ?'I

y l,,, 1',i

I

A

?lqr!'

I

gI

11 I I

7I

ll '

' ?

ih if!

i? ~ t

I

t'*

?1''?

f?

~'r ~

p

I

rr

'I

-2-

3a. Fluid Coupling:

Using a distance of 7.5 inches for

rack and multiple rack, compare the in your response the discussion of as presented at the meeting. Also,

the two cases of single impact forces. Include

fluid coupling analyses

address the influence to

the impact forces of the modelled racks when the adjacent racks

move in phase, out of phase, and are fixed.

At the conclusion might be needed.

of the meeting the staff The staff requested that

stated that further clarification

PGSE provide the responses to the

February

possible.

complete

11T, he198s7taflefttsetarteadnd

to

that

the the

its evaluation of the items

above 2 additional items as

information is needed for

soon as

the staff

related to rack-to-rack interaction.

to

ll, rtfe)hNarnocecOmokTmBEpiP:rsaGossRosuEkAehfaotthvnbeeeyrnfittfhvhoNeeeuartmsiiottieenanmeaftilifstn,igaaLniladnabnrodeairqtasufltoeeoslrcttlytosoe,nwrstfiuhnodletgaratenfsidtnutsafr,otfFhrfemeibnrrraeuctqalieuoruvyndeasiltnue2gad6(Nt,iRcooCa1nmd9m8ldeo7ei.ttnfittoestnhrTeaphloerosrfeavinciFdfkfeeoi-bdvrtrmoue-abaryitytieomns

1987) and the two additional requests stated at February 18, 1987 meeting]

Enclosures: As stated cc: See next page

3 87

PD83

HSchier ing:pds 3/(g/87

Hans Schierli g, Project Manager Project Directorate P3 Division of PWR Licensing-A

83 SV a

)'f" '1

I Pl 4

V 1.1 ~ Ij

'+rkv'rW'

+44 V lrl'

P It 4 "I

4~4

r

I

P I Ift+ 1

P) 4

4

PWIPI

'll lff'I I

4 P

1 WIW

ft If

1~

I tt4|,

~I

ffl I

4 WP

'lff j

Wry r

I

~ 1 I'

4f

I '1;V

If

'I

I

4

f

,,", 14

,,rt' 4

4

4

Mr. J. D. Shi ffer

Pacific Gas and Electric Company

CC:

Richard F. Locke, Esq.

Pacific Gas 5 Electric Company

Post Office Box 7442 San Francisco, California 9412Q Janice E. Kerr, Esq.

California Public Utilities Commission

350 McAllister Street San Francisco, California 94102

Ms. Sandra A. Silver

660 Granite Creek Road

Santa Cruz, California 95065

Hr. W. C. Gangloff

Westinghouse Electric Corporation

P. 0. Box 355

Pittsburgh, Pennsylvania 15230

Manaqing Editor San Luis Obispo County Telegram

Tribune

1321 Johnson Avenue

1726 M Street, N.W. Suite 1100

Washington, DC 20036-4502

Mr. Leland M. Gustafson, Manager Federal Relations

Pacific Gas and Electric Company 1726 M Street, N. W.

Washington, DC 20036-4502

Dian M. Grueneich, Esq.

Edwin F. Lowry, Esq. Grueneich & Lorry

345 Franklin Street San Francisco, California

94102

Diablo Canyon

NRC Resident Inspector Diablo Canyon Nuclear Power Plant

,

c/o U.S. Nuclear Regulatory Commission P. 0. Box 369 Avila Beach, California 93424

Mr. Dick Blakenburg

Editor A Co-Publisher South County Publishing Company

P. 0. Box 460

Arroyo Grande, California 93420

Bruce Norton, Esq. c/o Richard F. Locke, Esq.

Pacific Gas and Electric Company Post Office Box 7442 San Francisco, California 94120

Dr. R. Siera

B.

Club

F-ergSuasnotna

Lucia Chapter

Rocky Canyon Star Route

Creston, California 93432

Chairman

San Luis Obispo County Board of

Supervisors

Room 220

County Courthouse Annex

San Luis Obispo, California 93401

Director

Energy Facilities Siting Division

Energy Resources Conservation and Development Commission

1516 9th Street Sacramento, California 95814

Ms. Jacquelyn Wheeler

2455 Leona Street San Luis Obispo, California 93400

 ................
................

In order to avoid copyright disputes, this page is only a partial summary.

Google Online Preview   Download