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
at D
CN
PP fr
om N
ewly
Iden
tifie
d “S
hore
line
Faul
t” –
Lice
nsin
g A
ctio
nsg
•C
over
lette
r tra
nsm
ittin
g R
IL to
lice
nsee
pla
ced
it in
co
ntex
t with
that
of t
he M
arch
12,
201
2, 1
0 C
FR 5
0.54
(f) R
eque
st
for I
nfor
mat
ion
–R
ecom
men
datio
n 2.
1 -S
eism
ic a
nd F
lood
ing
Ree
valu
atio
ns re
ques
ting:
qg
–Li
cens
ees
to p
erfo
rm a
nd p
rovi
de th
e re
sults
of a
reev
alua
tion
of
the
haza
rds
at th
eir s
ites
usin
g pr
esen
t day
NR
C re
quire
men
ts
and
guid
ance
and
iden
tify
actio
ns th
at a
re p
lann
ed to
add
ress
vu
lner
abili
ties
–S
taff
expe
cted
PG
&E
wou
ld u
se th
e D
oubl
e D
esig
n E
arth
quak
e fo
r com
paris
on w
ith th
e re
eval
uate
d se
ism
ic h
azar
d gr
ound
mot
ion
resp
onse
spec
trum
(GM
RS
)re
spon
se s
pect
rum
(GM
RS
).
22
Seis
mic
Haz
ard
at D
CN
PP fr
om N
ewly
Iden
tifie
d “S
hore
line
Faul
t”
Que
stio
n?
23