9 Finalizing Licensing-Basis Information for NFPA 805 PRA … · Finalizing Licensing-basis...
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Finalizing Licensing-basis Information for NFPA 805 PRAs for NFPA 805 PRAs
Transcript of 9 Finalizing Licensing-Basis Information for NFPA 805 PRA … · Finalizing Licensing-basis...
Fina
lizin
g Li
cens
ing-
basi
s In
form
atio
n fo
rN
FPA
805
PRA
sfo
r N
FPA
805
PRA
s
The
Issu
eTh
e Is
sue
•Fi
re P
RAs
are
subj
ect t
o ch
ange
due
to
jg
met
hodo
logy
cha
nges
and
OE
•Th
isis
com
mon
inPR
ATh
is is
com
mon
in P
RA
•N
RC re
view
s ta
ke m
any
mon
ths
to c
ompl
ete
bl
dd
df
bh
h•
FPRA
sta
bilit
y is
nee
ded
in o
rder
for
both
the
staf
f and
lice
nsee
s to
est
ablis
h a
pred
icta
ble
hd
lf
lf
hl
hf
sche
dule
for
com
plet
ion
of th
e la
ter
phas
es o
f th
e re
view
s
Prop
osed
Solu
tion
Prop
osed
Sol
utio
n
•W
e su
gges
t a p
roce
ss s
imila
r to
DC/
COL-
ISG
-gg
p01
1, “
Fina
lizin
g Li
cens
ing-
basi
s In
form
atio
n”
due
to N
RC fa
mili
arity
.-
Def
ine
a po
int d
urin
g th
e re
view
pro
cess
at w
hich
th
e lic
ensi
ng-b
asis
info
rmat
ion
is c
onsi
dere
d fr
ozen
(aka
“fre
eze
poin
t”)
froz
en (a
ka,
free
ze p
oint
)-
The
licen
sing
dec
isio
n w
ill b
e ba
sed
on th
at
info
rmat
ion
whi
ch h
as b
een
prov
ided
to th
e N
RC
pon
or
befo
re th
e fr
eeze
poi
nt e
stab
lishe
d by
the
appl
ican
t
Proc
ess
Proc
ess
•A
pplic
ant d
efin
es fr
eeze
poi
nt –
plan
t spe
cific
, A
lih
hb
id
ldf
-A
pplic
ants
who
hav
e no
t yet
sub
mitt
ed w
ould
pro
pose
a fr
eeze
da
te p
rior
to s
ubm
issi
on o
f LA
R.-
App
lican
ts c
urre
ntly
und
er N
RC re
view
wou
ld p
ropo
se a
pla
nt
spec
ific
free
zeda
tesp
ecifi
c fr
eeze
dat
e•
App
lican
t will
rely
on
its p
rogr
ams
to e
valu
ate,
trac
k, a
nd
repo
rt (a
s ap
prop
riat
e) th
ose
chan
ges
iden
tifie
d af
ter
the
free
zepo
int
free
ze p
oint
•A
pplic
ant p
roce
sses
will
sup
port
app
lican
t dec
isio
ns o
n w
heth
er im
med
iate
not
ifica
tion
of th
e N
RC is
war
rant
edA
ftth
NRC
tth
LAth
lild
•A
fter
the
NRC
gra
nts
the
LA, t
he li
cens
ee w
ould
use
es
tabl
ishe
d ch
ange
con
trol
pro
cess
es to
man
age
the
chan
ges
iden
tifie
d af
ter
the
licen
sing
-bas
is fr
eeze
poi
nt
Nee
dfo
rIm
med
iate
Not
ifica
tion
Nee
d fo
r Im
med
iate
Not
ifica
tion
•Th
e co
rrec
tion
of s
igni
fican
t err
ors
in th
e LA
R-
Erro
rs th
at w
ould
incr
ease
ris
k va
lues
suc
h th
at th
e co
mpl
ianc
e in
sigh
ts w
ould
be
alte
red.
-Co
rrec
tion
of e
rror
s th
at w
ould
not
mee
t the
abo
ve (e
.g.,
dll
ii
ik
l)
ldb
decr
ease
or
smal
l inc
reas
e in
risk
val
ues)
wou
ld b
e op
tiona
l.•
Chan
ges
need
ed to
ens
ure
com
plia
nce
with
NRC
re
gula
tions
.•
Chan
ges
need
ed to
add
ress
a s
igni
fican
t vul
nera
bilit
y id
entif
ied
byth
ePR
Aid
entif
ied
by th
e PR
A-
Not
e th
at c
urre
nt li
cens
ee p
roce
sses
hav
e a
sim
ilar
crite
rion
for w
hen
to p
erfo
rm a
n “o
ut o
f cyc
le”
upda
te.
Opt
ions
for
Reso
luti
on fo
r It
ems
Requ
irin
g d
fIm
med
iate
Not
ifica
tion
•Ch
ange
the
base
line
FPRA
and
revi
se th
e g
resu
lts
•Ch
ange
apr
opos
edm
odifi
catio
nor
Chan
ge a
pro
pose
d m
odifi
catio
n or
co
mm
itmen
t and
impl
emen
t in
the
FPRA
•Le
ave
the
FPRA
and
resu
ltsun
chan
ged
and
•Le
ave
the
FPRA
and
resu
lts u
ncha
nged
, and
co
mm
it to
ach
ievi
ng th
e pe
rforman
ce(e
.g.,
base
line
CDF
LERF
ΔCD
Fan
dΔL
ERF
DID
/SM
)ba
selin
e CD
F, L
ERF,
ΔCD
F an
d ΔL
ERF,
DID
/SM
) cl
aim
ed in
the
LAR
(“pe
rfor
man
ce g
oal”
)
Esta
blis
hing
Perf
orm
ance
Goa
lEs
tabl
ishi
ng P
erfo
rman
ce G
oal
•If
a lic
ense
e w
ishe
s to
use
the
“per
form
ance
l”
h(
hd
bll
ld)
goal
” ap
proa
ch (t
hird
bul
let o
n pr
evio
us s
lide)
ra
ther
than
cha
ngin
g th
e FP
RA-
Lice
nsee
may
use
pred
icte
dfu
ture
perf
orm
ance
ofLi
cens
ee m
ay u
se p
redi
cted
futu
re p
erfo
rman
ce o
f sy
stem
s or
com
pone
nts
-Li
cens
ee m
ay u
se p
redi
cted
futu
re m
etho
ds,
tech
niqu
esan
d/or
data
tech
niqu
es, a
nd/o
r da
ta-
The
over
all p
erfo
rman
ce g
oal i
s es
tabl
ishe
d in
term
s of
upp
er li
mit
on C
DF,
LER
F, Δ
CDF,
ΔLE
RF a
nd
mai
ntai
ning
DID
and
SMm
aint
aini
ng D
ID a
nd S
M-
Lice
nsee
take
s on
the
risk
that
suc
h pr
edic
tions
may
no
t com
e tr
ue, w
hich
may
then
del
ay tr
ansi
tion
Case
in P
oint
for
Perf
orm
ance
Goa
l h
lA
ppro
ach
–W
SH
IELD
Sea
l•
OE
has
indi
cate
d se
al m
ay n
ot p
erfo
rm a
s i
dd
inte
nded
•Li
cens
ee m
ay o
pt to
leav
e PR
A u
ncha
nged
, and
co
mm
itto
achi
eve
risk
performan
ce(i
ese
alco
mm
it to
ach
ieve
risk
perform
ance
(i.e.
, sea
l LO
CA ri
sk a
s go
od a
s or
bet
ter t
han
the
assu
mpt
ions
in th
e FP
RA m
odel
) cla
imed
in th
e b
ittl
subm
ittal
•LA
R At
tach
men
t S m
ay b
e ch
ange
d to
den
ote
performan
ceto
beac
hiev
edby
am
odifi
catio
nperforman
ceto
be
achi
eved
by
a m
odifi
catio
n,
rath
er th
an th
e sp
ecifi
cs o
f the
mod
ifica
tion
Case
in P
oint
for
Perf
orm
ance
Goa
l h
l(’
)A
ppro
ach
–W
SH
IELD
Sea
l (co
n’t)
•Ex
ampl
e of
est
ablis
hing
a p
erfo
rman
ce
com
mitm
ent f
or R
CP s
eals
(rep
rese
nted
in F
PRA
)-
RCP
initi
ally
not
-tri
pped
; no
cool
ing
or in
ject
ion
lfil
ifi
30i
ifC
id
•N
o se
al fa
ilure
in fi
rst 3
0 m
inut
es if
RCP
trip
ped
•N
o se
al fa
ilure
if c
oolin
g or
inje
ctio
n re
stor
ed w
ithin
30
min
utes
-RC
P tr
ippe
d; n
o co
olin
g or
inje
ctio
n•
No
seal
failu
re if
coo
ling
or in
ject
ion
rest
ored
with
in 6
0 m
inut
es•
Prob
abili
ty o
f lea
k >=
21
gpm
/pm
ple
ss th
an 0
.1•
Prob
abili
ty o
f lea
k >=
480
gpm
/pm
ple
ss th
an 0
.001
Case
in P
oint
for
Perf
orm
ance
Goa
l h
dA
ppro
ach
–CP
T Cr
edit
•Fa
ctor
of t
wo
redu
ctio
n in
hot
sho
rt
prob
abili
ty n
ot v
alid
.
•A
pplic
antd
oes
notc
hang
ePR
AA
pplic
ant d
oes
not c
hang
e PR
A.
•A
pplic
ant e
stab
lishe
s pe
rfor
man
ce
com
mitm
entt
hath
otsh
ortp
roba
bilit
yfo
rco
mm
itmen
t tha
t hot
sho
rt p
roba
bilit
y fo
r th
ese
circ
uits
will
be
low
er th
an th
e va
lues
in
the
PRA
and
wai
tsfo
rth
ePI
RT/E
xper
tPan
elth
e PR
A, a
nd w
aits
for
the
PIRT
/Exp
ert P
anel
re
sults
to s
how
com
mitm
ent i
s m
et.
Oth
er C
andi
date
s fo
r Pe
rfor
man
ce G
oal
hA
ppro
ach
•U
se o
f UA
Ms
(e.g
., el
ectr
ical
cab
inet
hea
t (
g,
rele
ase
rate
s).
Com
mit
that
HRR
s us
ed in
FP
RA w
ill b
e pr
oven
val
id.
p
•D
C ho
t sho
rt d
urat
ion.
Com
mit
to ju
stify
the
hots
hort
dura
tions
used
inFP
RAho
t sho
rt d
urat
ions
use
d in
FPR
A.
•N
o di
ffer
ence
in p
rinc
iple
to c
omm
ittin
g to
the
relia
bilit
yof
am
odifi
catio
n(e
gal
tern
ate
seal
relia
bilit
y of
a m
odifi
catio
n (e
.g.,
alte
rnat
e se
al
inje
ctio
n).
Perf
orm
ance
Cert
ifica
tion
Perf
orm
ance
Cer
tific
atio
n
•If
the
spec
ific
pred
ictio
ns a
re a
chie
ved
or b
ette
red,
they
are
in
corp
orat
edin
toth
eFP
RAdu
ring
the
upda
teof
the
post
inco
rpor
ated
into
the
FPRA
dur
ing
the
upda
te o
f the
pos
t-tr
ansi
tion
plan
t FPR
A a
s co
mm
itted
to in
LA
R At
tach
men
t S.
•If
the
spec
ific
pred
ictio
ns a
re n
ot a
chie
ved
or b
ette
red,
lic
ense
ew
illde
velo
pal
tern
ate
mea
nsof
achi
evin
gth
elic
ense
e w
ill d
evel
op a
ltern
ate
mea
ns o
f ach
ievi
ng th
e co
mm
itted
per
form
ance
, mod
ify F
PRA
, and
obt
ain
an
appr
opri
ate
peer
revi
ew (f
ull-
or fo
cuse
d-sc
ope,
per
RG
1
200
ifm
odifi
catio
nsco
nstit
ute
anup
grad
e)1.
200,
if m
odifi
catio
ns c
onst
itute
an
upgr
ade)
.•
If an
y of
the
perf
orm
ance
goa
ls a
re n
ot a
chie
ved,
but
in
alig
nmen
t with
the
RG 1
.174
cri
teri
a pe
r RG
1.2
05 fo
r N
FPA
80
5is
still
achi
eved
licen
see
may
optt
osu
bmit
revi
sed
805
is s
till a
chie
ved,
lice
nsee
may
opt
to s
ubm
it re
vise
d re
sults
to N
RC a
s an
upd
ate
(rev
ised
aff
ecte
d at
tach
men
ts).
Key
Poin
ts•
Lice
nsee
est
ablis
hes
“fre
eze
poin
t.”
•Li
cens
ee tr
acks
OE
and
met
hodo
logy
cha
nges
usi
ng o
wn
proc
esse
s.
•Li
cens
ees’
ow
n pr
oces
ses
also
use
d to
det
erm
ine
whe
n an
“i
mm
edia
te n
otifi
catio
n” to
NRC
of a
n FP
RA c
han g
e is
nee
ded.
g
•Li
cens
ee h
as th
ree
optio
ns a
vaila
ble
to a
ddre
ss “
imm
edia
te
notif
icat
ion”
-U
pdat
e th
e FP
RA a
nd s
ubm
it ne
w re
sults
-Ch
ange
mod
sor
com
mitm
ents
, im
plem
ent i
n FP
RA a
nd
subm
itne
wre
sults
subm
it ne
w re
sults
.
-Le
ave
FPRA
as-
is a
nd c
omm
it to
mee
ting
subm
itted
CD
F,
LERF
, Δ-C
DF,
and
Δ-L
ERF
valu
es (“
perf
orm
ance
goa
ls”)
.
Key
Poin
ts (c
on’t
.)
•N
RC w
ill e
valu
ate
the
LAR
base
d on
the
info
rmat
ion
prov
ided
prov
ided
.
•N
RC w
ill n
ot re
quire
(but
may
poi
nt o
ut a
nd a
sk
abou
t)ch
ange
sto
orse
nsiti
vity
stud
ies
onth
eab
out)
cha
nges
to, o
r se
nsiti
vity
stu
dies
on,
the
subm
itted
FPR
A a
s pa
rt o
f the
RA
I pro
cess
.
•Li
cens
eem
ustd
emon
stra
teth
roug
hth
eFP
RAth
atLi
cens
ee m
ust d
emon
stra
te th
roug
h th
e FP
RA th
at
the
post
-tra
nsiti
on p
lant
ach
ieve
s pe
rfor
man
ce-
base
d co
mpl
ianc
e un
der
NFP
A 8
05 c
rite
ria.
