ISFS

I Sei

smic

Req

uire

men

ts a

nd

Con

side

ratio

nof

aN

ewFa

ult

Con

side

ratio

n of

a N

ew F

ault

FCM

AS

emin

aron

Spe

ntFu

elIn

itial

Load

ing

FCM

A S

emin

ar o

n S

pent

Fue

l Ini

tial L

oadi

ngS

epte

mbe

r 16

-18,

201

3

Did

TT

PhD

PE

Dav

id T

. Tan

g, P

hD, P

.E.

Sen

ior S

truct

ural

Eng

inee

r, D

ivis

ion

of S

pent

Fue

l Sto

rage

and

Tr

ansp

orta

tion

Offi

ce o

f Nuc

lear

Mat

eria

ls S

afet

y an

d S

afeg

uard

s

1

yg

U.S

. Nuc

lear

Reg

ulat

ory

Com

mis

sion

ISFS

I Sei

smic

Req

uire

men

ts a

nd

Con

side

ratio

nof

aN

ewFa

ult-

Out

line

Con

side

ratio

n of

a N

ew F

ault

-Out

line

•S

tora

geca

skIS

FSIs

eism

icde

sign

basi

sS

tora

ge c

ask

ISFS

I sei

smic

des

ign

basi

s •

Sto

rage

cas

k he

avy

load

s co

ntro

l, tip

-ove

r and

sei

smic

re

spon

se•

Sei

smic

Haz

ard

at D

iabl

o C

anyo

n N

ucle

ar P

ower

Pla

nt

(DC

NP

P) f

rom

New

ly Id

entif

ied

“Sho

relin

e Fa

ult”

2

Stor

age

cask

ISFS

I sei

smic

des

ign

basi

s - I

SFSI

pad

and

floo

r sei

smic

env

ironm

ents

•S

oil-s

truct

ural

inte

ract

ion

(SS

I) an

alys

is

Faul

t Roc

kSo

ilB

uild

ing

4. D

esig

n/Q

ualif

icat

ion

of

SSC

sTo

tal D

eman

dsM

embe

r Cap

acity

Cal

cula

tions

Inpu

tto

com

pone

nts

3. D

ynam

ic R

espo

nse

of S

oil &

Str

uctu

reFr

ee-F

ield

Gro

und

Mot

ion

Soi

l Pro

file

Soi

l/Stru

ctur

eIn

terfa

ce

Inpu

t to

com

pone

nts

Atte

nuat

ion

Sei

smic

wav

esle

ngth

enan

d

2. S

ite

Res

pons

eM

otio

n ca

n be

am

plifi

edby

Soi

l/Stru

ctur

e In

terfa

ce

SS

I Ana

lysi

s

3

Sei

smic

wav

es le

ngth

en a

nd

dim

inis

h in

stre

ngth

as

they

tra

vel a

way

from

the

rupt

ure

faul

t.

ampl

ified

by

soil

cond

ition

s.1.

Gro

und

Mot

ion

Cha

ract

eriz

atio

n

Stor

age

Cas

k IS

FSI S

eism

ic D

esig

n B

asis

Free

Fie

ld M

otio

n A

ncho

red

at 1

.0 gg

10

-1

-0.50

0.51

1.5

ACCELERATION (g)

05

10

15

20

25

TIM

E (

sec

)

-1.5 80

c)

1

CCELERATION (g)

05

10

15

20

25

-80

-40040

VELOCITY (inch/sec

AC

TIM

E (

sec

)

12

24

36

MENT (inch)

40.

11

1010

0

FREQ

UEN

CY

(Hz)

0.1

05

10

15

202

5

TIM

E(s

ec)

-36

-24

-120

DISPLACEM

ISFS

I Sei

smic

Des

ign

Bas

is –

Nor

th A

nna

Roc

k fo

unde

d ba

sem

at, h

oriz

onta

l = 0

.12

gFr

eefie

ld,r

ock

outc

rop,

horiz

onta

l=0.

12g

Free

fiel

d, ro

ck o

utcr

op, h

oriz

onta

l 0

.12

gIS

FSI p

ad, a

fter S

SE

, hor

izon

tal =

0.1

8 g

5

Stor

age

Cas

k IS

FSI S

eism

ic D

esig

n B

asis

-Nor

th A

nna

Eart

hqua

ke, A

ugus

t 23,

201

1q

,g

,N

S at

bas

e m

at =

0.2

6 g

> 0.

12 g

, des

ign

basi

sEs

timat

ed IS

FSI =

1.5

x 0

.26

g =

0.39

g >

0.1

8 g,

des

ign

basi

s

6

Stor

age

Cas

k IS

FSI S

eism

ic D

esig

n B

asis

-BW

R F

uel B

uild

ing

7

Stor

age

Cas

k IS

FSI S

eism

ic D

esig

n B

asis

-BW

R F

uel B

uild

ing

8

Stor

age

Cas

k IS

FSI S

eism

ic D

esig

n B

asis

Que

stio

n?Q

uest

ion?

9

Stor

age

Cas

k H

eavy

Loa

ds C

ontr

ol, T

ip-o

ver

and

Seis

mic

Res

pons

e–

Ove

rvie

wan

d Se

ism

ic R

espo

nse

–O

verv

iew

•10

CFR

7212

2(b)

–pr

otec

tion

agai

nste

nviro

nmen

tal

10 C

FR 7

2.12

2(b)

pr

otec

tion

agai

nst e

nviro

nmen

tal

cond

ition

s an

d na

tura

l phe

nom

ena

–C

ask

hand

ling

acci

dent

s -T

S a

dmin

istra

tive

cont

rols

/pro

gram

sf

f•

liftin

g he

ight

lim

its fo

r cas

k sy

stem

pro

tect

ion

–10

CFR

50.

59 c

hang

es o

f hea

vy lo

ad c

ontro

l, pe

r NU

RE

G-0

612,

for

Par

t 50

stru

ctur

es, s

yste

ms

and

com

pone

nts

NU

RE

G15

36t

dd

il

fk

t•

NU

RE

G-1

536

–st

anda

rd re

view

pla

n fo

r cas

k sy

stem

s–

Pos

tula

ted

acci

dent

s an

d D

esig

n E

arth

quak

e•

non-

mec

hani

stic

cas

k tip

-ove

r–

ensu

red

cas

k co

nfin

emen

t saf

ety

func

tions

•ca

sk IS

FSI p

ad in

terfa

ce s

eism

ic T

S re

quire

men

ts10

Stor

age

Cas

k H

eavy

Loa

ds C

ontr

ol, T

ip-o

ver

and

Seis

mic

Res

pons

e–

Cas

k-Pa

dIn

terf

ace

and

Seis

mic

Res

pons

e –

Cas

k-Pa

d In

terf

ace

•Fr

eest

andi

ngve

rtica

lcon

cret

eca

sk–

Tech

nica

lFr

ee s

tand

ing

verti

cal c

oncr

ete

cask

Te

chni

cal

Spe

cific

atio

n (T

S) s

ite s

peci

fic p

aram

eter

s ex

ampl

e:–

Des

ign

bas

is e

arth

quak

e m

otio

ns s

peci

fied

for I

SFS

I pad

w

ithou

tinc

urrin

gca

sksl

idin

gw

ithou

t inc

urrin

g ca

sk s

lidin

g•

peak

acc

eler

atio

ns fo

r giv

en c

oeffi

cien

t of f

rictio

n–

Eva

luat

ion

optio

n co

nsid

erin

g co

nseq

uenc

e of

col

lisio

n of

two

lidi

kd

klid

iff

hIS

FSI

dsl

idin

g ca

sks

and

cask

slid

ing

off t

he IS

FSI p

ad

•Fr

ee s

tand

ing

verti

cal c

oncr

ete

cask

-ot

her a

ppro

ache

s•

TSsi

tesp

ecifi

cpa

ram

eter

sco

nsid

ered

for1

0C

FRTS

site

spe

cific

par

amet

ers

cons

ider

ed fo

r 10

CFR

72

.212

ISFS

I pad

eva

luat

ion

repo

rt11

Stor

age

Cas

k H

eavy

Loa

ds C

ontr

ol, T

ip-o

ver

and

Seis

mic

Res

pons

e–

Tip-

over

Ana

lysi

s(1

)an

d Se

ism

ic R

espo

nse

–Ti

p-ov

er A

naly

sis

(1)

•N

on-m

echa

nist

icas

cask

side

impa

ctpe

rform

ance

Non

mec

hani

stic

, as

cask

sid

e im

pact

per

form

ance

st

anda

rd, w

ithou

t dem

onst

ratin

g th

at th

is s

cena

rio is

not

cr

edib

le•

Cas

k ro

tatio

n ab

out a

low

er c

orne

r ont

o a

hard

sur

face

fro

m a

pos

ition

of b

alan

ce w

ith n

o in

itial

vel

ocity

•M

ostb

ound

ing

mec

hani

call

oad

exer

ted

onca

sk•

Mos

t bou

ndin

g m

echa

nica

l loa

d ex

erte

d on

cas

k sy

stem

, inc

ludi

ng lo

aded

can

iste

r

12

Stor

age

Cas

k H

eavy

Loa

ds C

ontr

ol, T

ip-o

ver

and

Seis

mic

Res

pons

e–

Tip-

over

Ana

lysi

s(2

)an

d Se

ism

ic R

espo

nse

–Ti

p-ov

er A

naly

sis

(2)

•E

xplic

itdy

nam

ican

alys

isof

cask

-pad

-soi

lsys

tem

Exp

licit

dyna

mic

ana

lysi

s of

cas

kpa

dso

il sy

stem

–B

ench

mar

ked

finite

ele

men

t ana

lysi

s m

odel

–

NU

RE

G/C

R-6

608

•ca

sk s

teel

bill

et s

cale

-mod

el d

rop/

tip-o

ver t

est r

esul

ts•

cask

dro

p/tip

-ove

r ana

lytic

al m

odel

ben

chm

arki

ng

Cal

cula

ted

cask

side

impa

ctof

abou

t30

g–

Cal

cula

ted

cask

sid

e im

pact

of a

bout

30

g•

cani

ster

con

finem

ent b

ound

ary

inte

grity

ens

ures

no

radi

oact

ive

rele

ase

afte

r a c

ask

tip-o

ver a

ccid

ent

•C

ask

seis

mic

resp

onse

env

elop

ed b

y tip

-ove

r ana

lysi

s

13

Stor

age

Cas

k H

eavy

Loa

ds C

ontr

ol, T

ip-o

ver

and

Seis

mic

Res

pons

ean

d Se

ism

ic R

espo

nse

Que

stio

n?

14

Seis

mic

Haz

ard

at D

CN

PP fr

om N

ewly

Iden

tifie

d “S

hore

line

Faul

t” –

Ove

rvie

w

–D

iabl

o C

anyo

n N

ucle

ar

Pow

er P

lant

(DC

NP

P)

lii

bi

dhi

tlic

ensi

ng b

asis

and

his

tory

of

sei

smic

issu

es–

NR

C’s

Res

earc

h I

fti

Ltt

(RIL

12In

form

atio

n Le

tter (

RIL

-12-

01),

“Con

firm

ator

y A

naly

sis

of S

eism

ic H

azar

d at

the

Dia

blo

Can

yon

Pow

erD

iabl

o C

anyo

n P

ower

P

lant

from

the

Sho

relin

e Fa

ult Z

one”

Lice

nsin

gac

tions

–Li

cens

ing

actio

ns

15

Seis

mic

Haz

ard

at D

CN

PP fr

om N

ewly

Iden

tifie

d “S

hore

line

Faul

t” -

Bac

kgro

und

•D

CN

PP

was

lice

nsed

usi

ng th

ree

earth

quak

e sc

enar

io

(mos

t pla

nts

have

two)

Di

Eth

k(D

E)

–D

esig

n E

arth

quak

e (D

E)

•B

igge

st e

arth

quak

e th

e pl

ant i

s de

sign

ed to

ope

rate

thro

ugh

•0.

2g p

eak

grou

nd m

otio

n•

Sim

ilar t

o th

e co

ncep

t of a

n op

erat

ing

basi

s ea

rthqu

ake

at o

ther

pl

ants

–D

oubl

e D

esig

n E

arth

quak

e (D

DE

)•

Use

d to

dem

onst

rate

all

equi

pmen

t nee

ded

to p

reve

nt o

r miti

gate

an

acc

iden

t will

rem

ain

func

tiona

l•

Dou

ble

the

amou

nt o

f gro

und

mot

ion

for t

he D

E (0

.4g

peak

gro

und

mot

ion)

mot

ion)

•S

imila

r in

conc

ept t

o a

safe

shu

tdow

n ea

rthqu

ake

at o

ther

pla

nts

16

Seis

mic

Haz

ard

at D

CN

PP fr

om N

ewly

Iden

tifie

d “S

hore

line

Faul

t” –

Seis

mic

Bac

kgro

und

g•

DC

NPP

Ear

thqu

ake

scen

ario

s (c

ont.)

–H

osgr

i Ear

thqu

ake

(HE

) gro

und

mot

ion

mot

ion

•D

isco

vere

d in

197

1 •

0.75

g pe

ak g

roun

d m

otio

n ba

sed

on 7

.5

Mag

nitu

deea

rthqu

ake

at5k

mM

agni

tude

ear

thqu

ake

at 5

km•

Cha

nges

mad

e to

the

plan

t to

acco

mm

odat

e H

E–

Saf

ely

shut

dow

n th

e pl

ant a

ssum

ing

yp

ga

loss

of a

ll of

fsite

pow

er, s

ingl

e ac

tive

failu

re, b

ut n

o co

ncur

rent

ac

cide

nt

–U

ses

equi

pmen

t qua

lifie

d to

rem

ain

oper

able

follo

win

g su

ch a

n ea

rthqu

ake

17

Seis

mic

Haz

ard

at D

CN

PP fr

om N

ewly

Iden

tifie

d “S

hore

line

Faul

t” -

Seis

mic

Bac

kgro

und

g

•Lo

ng T

erm

Sei

smic

Pro

gram

–

Orig

inal

lice

nse

for D

CN

PP

Uni

t 1 re

quire

d se

ism

ic d

esig

n g

qg

basi

s to

be

reev

alua

ted

in 1

0 ye

ars

–LT

SP

initi

ated

to m

eet l

icen

se c

ondi

tion

–P

G&

Epe

rform

edse

ism

icre

eval

uatio

nbe

twee

n19

85an

dP

G&

E p

erfo

rmed

sei

smic

reev

alua

tion

betw

een

1985

and

19

88, s

ubm

itted

repo

rt in

198

9–

Sta

ff re

view

doc

umen

ted

in S

SE

R 3

4 in

199

1•

Gro

und

mot

ion

from

HE

still

cont

rolli

ngea

rthqu

ake

•G

roun

d m

otio

n fro

m H

E s

till c

ontro

lling

ear

thqu

ake

•LT

SP

spe

ctru

m u

sed

to e

valu

ate

seis

mic

mar

gins

•P

G&

E c

omm

itted

to m

aint

aini

ng th

e LT

SP

pro

gram

18

Seis

mic

Haz

ard

at D

CN

PP fr

om N

ewly

Iden

tifie

d “S

hore

line

Faul

t”•

Nov

embe

r 18,

200

8, P

G&

E

info

rmed

the

staf

f it h

ad

iden

tifie

d a

prev

ious

ly

unkn

own

faul

t –S

hore

line

faul

t•

Iden

tifie

d as

a re

sult

of a

co

llabo

rativ

e re

sear

ch

prog

ram

bet

wee

n P

G&

E

and

US

GS

600

met

ers

offs

hore

•60

0 m

eter

s of

fsho

re

•S

taff

prel

imin

ary

dete

rmin

istic

eva

luat

ion

prov

ided

inR

esea

rch

19

prov

ided

in R

esea

rch

Info

rmat

ion

Lette

r, R

IL-0

9-01

(ML0

9033

0523

)

Seis

mic

Haz

ard

at D

CN

PP fr

om N

ewly

Iden

tifie

d “S

hore

line

Faul

t” –

Res

earc

h In

form

atio

n Le

tter

•R

esea

rch

Info

rmat

ion

Lette

r (R

IL-1

2-01

), A

pril

2012

–D

ocum

ents

NR

C in

depe

nden

t ass

essm

ent o

f sho

relin

e fa

ult

p–

Bas

ed o

n th

e P

G&

E S

hore

line

Faul

t rep

ort p

rovi

ded

in J

anua

ry

2011

and

an

NR

C s

taff

site

vis

it in

Oct

ober

of 2

011

–R

esul

tsin

dica

teth

atea

rthqu

ake

scen

ario

sde

velo

ped

and

Res

ults

indi

cate

that

ear

thqu

ake

scen

ario

s de

velo

ped

and

anal

yzed

by

the

NR

C re

view

team

are

bou

nded

by

the

HE

and

LT

SP

gro

und

mot

ions

for w

hich

the

plan

t was

pre

viou

sly

anal

yzed

and

sho

wn

to h

ave

adeq

uate

saf

ety

mar

gins

yq

yg

20

Seis

mic

Haz

ard

at D

CN

PP fr

om N

ewly

Iden

tifie

d “S

hore

line

Faul

t”–

Res

earc

h In

form

atio

n Le

tter

3

Com

pari

son

of S

pect

ra f

or M

agni

tude

6.5

and

6.9

Med

ian

and

85th

Per

cent

iles

2

2.5

on (g)

LTSP

Spe

ctru

m

Hos

gri S

pect

rum

M=6

.9 V

s30=

1200

m/s

with

Ko

(84t

h%)

M=6

.5 V

s30=

1200

m/s

with

Ko

(84t

h%)

M=6

.9 V

s30=

1200

m/s

Med

ian

Spec

trum

1

1.5

Spectral Acceleratio

M=6

.5 V

s,30

=120

0 m

/s M

edia

n Sp

ectr

um

0.5

Best

Est

imat

e

21

00.

55

50Fr

eque

ncy

(Hz)

Seis

mic

Haz

ard

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23