2014/04/07 Areva EPR DC Docs - Mid-loop operation for Ch. 5 … · 2014-04-28 · Subject: Mid-loop...
16
1 ArevaEPRDCDocsPEm Resource From: RYAN Tom (AREVA) [[email protected]] Sent: Monday, April 07, 2014 9:00 AM To: Eudy, Michael Cc: Wunder, George; Hearn, Peter; STACK Tim (AREVA); NOXON David (AREVA); HOTTLE Nathan (AREVA); GUCWA Len (EXTERNAL AREVA) Subject: Mid-loop operation for Ch. 5 technical discussion - slides for today Attachments: US EPR Design Features Addressing Mid-Loop Operation - April 7 2014.pdf Mike – please find attached some talking point slides for the discussion during today’s public call concerning Mid-loop Operation and RAI 579. Please note these are for discussion purposes only. Please let me know if you have any questions, Thanks, Tom Ryan Manager, US EPR DCD Regulatory Affairs AREVA 7207 IBM Drive - CLT2B Charlotte, NC 28262 Phone: 704-805-2643, Cell : 704-292-5627 Fax: 434-382-6657
Transcript of 2014/04/07 Areva EPR DC Docs - Mid-loop operation for Ch. 5 … · 2014-04-28 · Subject: Mid-loop...
1
ArevaEPRDCDocsPEm Resource
From: RYAN Tom (AREVA) [[email protected]]Sent: Monday, April 07, 2014 9:00 AMTo: Eudy, MichaelCc: Wunder, George; Hearn, Peter; STACK Tim (AREVA); NOXON David (AREVA); HOTTLE
Nathan (AREVA); GUCWA Len (EXTERNAL AREVA)Subject: Mid-loop operation for Ch. 5 technical discussion - slides for todayAttachments: US EPR Design Features Addressing Mid-Loop Operation - April 7 2014.pdf
Mike – please find attached some talking point slides for the discussion during today’s public call concerning Mid-loop Operation and RAI 579. Please note these are for discussion purposes only. Please let me know if you have any questions, Thanks, Tom Ryan Manager, US EPR DCD Regulatory Affairs AREVA 7207 IBM Drive - CLT2B Charlotte, NC 28262 Phone: 704-805-2643, Cell : 704-292-5627 Fax: 434-382-6657
Hearing Identifier: AREVA_EPR_DC_Docs_Public Email Number: 144 Mail Envelope Properties (88F9B30A3139B1498DA89BEBA7B31B900B797741) Subject: Mid-loop operation for Ch. 5 technical discussion - slides for today Sent Date: 4/7/2014 8:59:40 AM Received Date: 4/7/2014 9:02:26 AM From: RYAN Tom (AREVA) Created By: [email protected] Recipients: "Wunder, George" <[email protected]> Tracking Status: None "Hearn, Peter" <[email protected]> Tracking Status: None "STACK Tim (AREVA)" <[email protected]> Tracking Status: None "NOXON David (AREVA)" <[email protected]> Tracking Status: None "HOTTLE Nathan (AREVA)" <[email protected]> Tracking Status: None "GUCWA Len (EXTERNAL AREVA)" <[email protected]> Tracking Status: None "Eudy, Michael" <[email protected]> Tracking Status: None Post Office: FUSLYNCMX01.fdom.ad.corp Files Size Date & Time MESSAGE 440 4/7/2014 9:02:26 AM US EPR Design Features Addressing Mid-Loop Operation - April 7 2014.pdf 2211529 Options Priority: Standard Return Notification: No Reply Requested: No Sensitivity: Normal Expiration Date: Recipients Received:
Apr
il 7,
201
4
Tim
Sta
ck, L
en G
ucw
a, D
avid
Nox
on
U.S
. EPR
Des
ign
Cer
tific
atio
n
Des
ign
Feat
ures
Add
ress
ing
Mid
-Loo
p O
pera
tion
For taDisc
ussio
4
ck
ner
atiPurp
oses
er
tific
a
Add
Onl Only
2N
RC
Mee
ting
–U
.S. E
PR
–M
id-L
oop
Ope
ratio
n –
April
7, 2
014
---F
or D
iscu
ssio
n Pu
rpos
es
Mee
ting
Purp
ose
�Pu
rpos
e of
this
mee
ting
is th
ree-
fold
:1.
Pres
ent “
revi
sed”
str
ateg
y fo
r add
ress
ing
mid
-loop
op
erat
ion
base
d on
NR
C fe
edba
ck fr
om M
arch
19,
201
42.
Dis
cuss
pat
h fo
rwar
d to
clo
se D
C F
SAR
Cha
pter
5
rela
ted
to d
eter
min
istic
trea
tmen
t of m
id-lo
op o
pera
tion
3.C
onfir
m a
gree
men
t with
NR
C o
n “r
evis
ed”
path
forw
ard
Focu
s of
dis
cuss
ion
will
be
on d
eter
min
istic
tr
eatm
ent o
f mid
-loop
ope
ratio
n
FoForDisc
ussio
nw
ith
Diss
of
Purpos
es
old:
ddre
sdb
ack
clos
e D
Ctr
eatm
Onlyrpos
3N
RC
Mee
ting
–U
.S. E
PR
–M
id-L
oop
Ope
ratio
n –
April
7, 2
014
---F
or D
iscu
ssio
n Pu
rpos
es
Bac
kgro
und
–M
arch
19t
hPu
blic
M
eetin
g�
NR
C s
taff
pres
ente
d re
gula
tory
bas
is fo
r the
ir m
id-lo
op
conc
erns
rela
ted
to G
DC
34
com
plia
nce
and
GL
88-1
7�
AR
EVA
pre
sent
ed a
str
ateg
y to
add
ress
NR
C m
id-lo
op
oper
atio
n co
ncer
ns�
NR
C s
taff
pres
ente
d ke
y is
sues
requ
iring
reso
lutio
n to
de
term
inis
tical
ly c
lose
-out
mid
-loop
ope
ratio
n:1.
If no
zzle
dam
s ar
e us
ed, p
rovi
de a
n an
alys
is th
at
dem
onst
rate
s th
e ad
equa
cy o
f ven
ting
via
pres
suriz
er
man
way
rem
oval
.2.
Prov
ide
a “v
orte
” an
alys
is fo
r the
RH
R p
umps
dur
ing
mid
-loop
.3.
Def
ine
hot l
eg le
vel s
etpo
ints
need
ed fo
r det
erm
inis
tic
trea
tmen
t of m
id-lo
op. �
See
Slid
e 4
4.C
larif
y th
e fu
nctio
n(s)
of M
HSI
dur
ing
mid
-loop
ope
ratio
ns
and
sum
mar
ize
the
supp
ortin
g an
alys
es.
5.Ex
plai
n th
e au
tom
atic
MH
SI a
ctua
tion
feat
ure
in m
id-lo
op
with
and
with
out n
ozzl
e da
m u
sage
.
Forlaw
ith a
n
Discus
sion ua
ng”
a
g le
vel
fmid
-th
e fu
ncum
mar
nth
Purpos
es
nd G
s N
R
equi
rinlo
op o
prov
idcy
Onlybee
tinr m
id
4N
RC
Mee
ting
–U
.S. E
PR
–M
id-L
oop
Ope
ratio
n –
April
7, 2
014
---F
or D
iscu
ssio
n Pu
rpos
es
Bac
kgro
und
–H
ot L
eg L
evel
Se
tpoi
nts
and
Act
ions
�El
evat
ion
A –
Hig
h ho
t leg
leve
l –PA
S �
Ope
n le
tdow
n to
pre
vent
fil
ling
SG b
owls
�El
evat
ion
B –
Nor
mal
hot
leg
leve
l –PA
S �
Leve
l is
auto
mat
ical
ly
cont
rolle
d by
CVC
S�
Elev
atio
n C
–Lo
w h
ot le
g le
vel –
PAS �
Full
clos
ure
of le
tdow
n (m
ost l
ikel
y so
urce
of u
ncon
trol
led
leve
l dro
p in
RC
S) a
nd C
VCS
and
RH
R is
olat
ion
valv
es�
Elev
atio
n D
-Lo
w-L
ow h
ot le
g le
vel -
auto
trip
of R
HR
pum
p –
PAS
�El
imin
ates
ope
rato
r act
ion
requ
ired
to p
rote
ct R
HR
pum
ps fr
om
vort
exin
g�
Elev
atio
n E
–Lo
w-L
ow-L
ow h
ot le
g le
vel -
Safe
ty in
ject
ion
(SI)
sign
al in
itiat
ed –
PS•
SI a
utom
atic
ally
sta
rts M
HS
I �P
rovi
des
auto
mat
ic m
eans
to in
itiat
e fe
ed a
nd
blee
d co
olin
g•
SI a
utom
atic
ally
isol
ates
letd
own
on c
onta
inm
ent i
sola
tion
sign
al �
Aut
omat
ical
ly is
olat
es m
ost l
ikel
y so
urce
of u
ncon
trolle
d le
vel d
rop
in R
CS
�El
evat
ion
F –
Min
imum
leve
l to
prev
ent v
orte
and
gas
inge
stio
n �
Hyd
raul
ic a
naly
sis
dem
onst
rate
s ad
equa
te N
PSH
For Disc
ussio
n w
-Low
ho
rts M
HS
ly is
olat
eis
olat
eF
–M
ini
aulic
ana
Purpos
es
eLeve
l
� poFull
leve
l d
g le
vel -
req
Onlyvct
ion
etdo
w
5N
RC
Mee
ting
–U
.S. E
PR
–M
id-L
oop
Ope
ratio
n –
April
7, 2
014
---F
or D
iscu
ssio
n Pu
rpos
es
Mid
-Loo
p Pa
th F
orw
ard
�N
ozzl
e da
m u
sage
in D
esig
n C
ertif
icat
ion
Doc
umen
t (D
CD
)�
Res
olut
ion
of N
RC
key
det
erm
inis
tic
issu
es fo
r mid
-loop
ope
ratio
n�
Cha
pter
5 c
losu
re fo
r mid
-loop
ope
ratio
n�
RA
I 579
resp
onse
pla
n
For Disc
ussio
n re
for
onsePurp
osesCe
r
ey d
ete
oper
Onlyrwar
6N
RC
Mee
ting
–U
.S. E
PR
–M
id-L
oop
Ope
ratio
n –
April
7, 2
014
---F
or D
iscu
ssio
n Pu
rpos
es
Noz
zle
Dam
Usa
ge in
Mid
-Loo
p
�N
ozzl
e da
m u
sage
in D
esig
n C
ertif
icat
ion
Doc
umen
t (D
CD
)�
Noz
zle
dam
usa
ge w
ill b
e re
mov
ed fr
om th
e lic
ensi
ng b
asis
of t
he U
.S. E
PR �
Rea
ctor
w
ill b
e de
fuel
ed p
rior t
o pe
rfor
min
g m
aint
enan
ce th
at re
quire
s th
e R
CS
be
mai
ntai
ned
at m
id-lo
op (e
.g.,
SG
mai
nten
ance
, RC
P se
al m
aint
enan
ce)
For Disc
ussio
n
rior t
at re
qm
id-
ce, RPurp
osesCe
r
be re
e U
.S
Only-L
oo
7N
RC
Mee
ting
–U
.S. E
PR
–M
id-L
oop
Ope
ratio
n –
April
7, 2
014
---F
or D
iscu
ssio
n Pu
rpos
es
Key
Det
erm
inis
tic Is
sues
R
equi
ring
Res
olut
ion
for M
id-L
oop
1.If
nozz
le d
ams
are
used
, pro
vide
an
anal
ysis
that
de
mon
stra
tes
the
adeq
uacy
of v
entin
g vi
a pr
essu
rizer
m
anw
ayre
mov
al.
�R
esol
utio
n A
ppro
ach:
•
Noz
zle
dam
s us
age
will
be re
mov
ed fr
om U
.S. E
PR
lice
nsin
g ba
sis.
•
Ther
efor
e, v
entin
g an
alys
is is
unn
eces
sary
and
will
not b
e pe
rform
ed.
2.Pr
ovid
e a
“vor
texi
ng”
anal
ysis
for t
he R
HR
pum
ps
durin
g m
id-lo
op.
�R
esol
utio
n A
ppro
ach:
•
Ana
lysi
s w
ill be
per
form
ed th
at d
emon
stra
tes
that
RH
R p
umps
are
pr
ovid
ed w
ith s
uffic
ient
NP
SH
to s
uppo
rt de
cay
heat
rem
oval
func
tion,
ar
e ad
equa
tely
pro
tect
ed fr
om v
orte
, and
are
ade
quat
ely
prot
ecte
d fro
m a
ir in
gest
ion.
•A
naly
sis
will
defin
e th
e m
inim
um h
ot le
g le
vel (
Ele
vatio
n F
on S
lide
4)
that
allo
ws
the
RH
R p
umps
to b
e re
liabl
y op
erat
ed.
ro Ana
tha
Discus
sion g”
an
ppro
aw
ill be
de
d w
ith
adeq
uaec
ted
Purpos
es
ng v
oved
frs
is u
nne
Onlyue-L
ooly
si
8N
RC
Mee
ting
–U
.S. E
PR
–M
id-L
oop
Ope
ratio
n –
April
7, 2
014
---F
or D
iscu
ssio
n Pu
rpos
es
Key
Det
erm
inis
tic Is
sues
R
equi
ring
Res
olut
ion
for M
id-L
oop
3.D
efin
e ho
t leg
leve
l set
poin
tsne
eded
for
dete
rmin
istic
trea
tmen
t of m
id-lo
op.
�R
esol
utio
n A
ppro
ach:
•
Loss
of R
HR
in M
id-L
oop
–G
DC
34
com
plia
nce
-In
Mod
e 5
with
loop
s no
t fille
d,-
2 of
4 R
HR
loop
s re
quire
d to
be
oper
able
per
Tec
hnic
al
Spe
cific
atio
n 3.
4.8
-R
HR
pum
p pr
otec
tion
prov
ided
as
follo
ws:
-A
utom
atic
trip
of o
pera
ting
RH
R p
umps
by
SA
S o
n lo
w h
ot le
g le
vel (
Leve
l D o
n S
lide
4) �
I&C
pla
tform
cha
nged
from
Slid
e 4
from
PA
S (n
on-s
afet
y-re
late
d) to
SA
S (s
afet
y-re
late
d)-
Man
ual o
pera
tor a
ctio
n to
sta
rt/re
star
t RH
R p
umps
-Al
igne
d to
IRW
ST
for E
CC
S/c
onta
inm
ent c
oolin
g m
ode
-Al
igne
d to
hot
leg
(Lev
el F
on
Slid
e 4)
for R
HR
mod
e
For Disc
ussio
n .4
.8te
ctio
n p
c tri
p o
(Lev
el D
m P
AS
M
anua
-
Purpos
es
deoo
p.
DC
34
t fille
d,re
qu
Onlyue-L
ood
fo
9N
RC
Mee
ting
–U
.S. E
PR
–M
id-L
oop
Ope
ratio
n –
April
7, 2
014
---F
or D
iscu
ssio
n Pu
rpos
es
Key
Det
erm
inis
tic Is
sues
R
equi
ring
Res
olut
ion
for M
id-L
oop
4.C
larif
y th
e fu
nctio
n(s)
of M
HSI
dur
ing
mid
-loop
op
erat
ions
and
sum
mar
ize
the
supp
ortin
g an
alys
es.
�R
esol
utio
n A
ppro
ach:
•
Tech
nica
l Spe
cific
atio
n 3.
5.8
–2
of 4
MH
SI r
equi
red
to b
e op
erab
le in
Mod
es 5
and
6
with
the
refu
elin
g ca
vity
not
fille
d.•
MH
SI f
unct
iona
l req
uire
men
ts in
mid
-loop
For Disc
ussio
n n
m
Purpos
es
rinsu
pp
f 4 M
HS
I re
-lo
Onlyue-L
oong
m
10N
RC
Mee
ting
–U
.S. E
PR
–M
id-L
oop
Ope
ratio
n –
April
7, 2
014
---F
or D
iscu
ssio
n Pu
rpos
es
Key
Det
erm
inis
tic Is
sues
R
equi
ring
Res
olut
ion
for M
id-L
oop
5.Ex
plai
n th
e au
tom
atic
MH
SI a
ctua
tion
feat
ure
in
mid
-loop
with
and
with
out n
ozzl
e da
m u
sage
.�
Res
olut
ion
App
roac
h:
•N
ozzl
e da
ms
usag
e w
ill b
e re
mov
ed fr
om U
.S. E
PR
lice
nsin
g ba
sis�
Aut
omat
ic M
HS
I act
uatio
n w
ith n
ozzl
e da
m u
sage
is n
o lo
nger
rele
vant
•A
utom
atic
MH
SI a
ctua
tion
will
incl
ude
the
follo
win
g:-
SIS
byp
ass
switc
h w
ill be
rem
oved
from
U.S
. EP
R d
esig
n-
In M
ode
5 an
d 6
(with
refu
elin
g ca
vity
not
fille
d), T
echn
ical
S
peci
ficat
ion
3.5.
8 go
vern
s E
CC
S o
pera
bilit
y:-
2 of
4 M
HS
I pum
ps re
quire
d to
be
oper
able
-N
ote
allo
win
g te
mpo
rary
rem
oval
of a
ll M
HS
I pum
ps w
ill be
re
mov
ed fr
om U
.S. E
PR
des
ign
-M
HS
I is
auto
mat
ical
ly a
ctua
ted
by th
e P
rote
ctio
n S
yste
m.
Tech
nica
l S
peci
ficat
ion
3.3.
2 go
vern
s E
ngin
eere
d S
afet
y Fe
atur
es o
pera
bilit
y.
Discus
sion
atio
ntc
h w
ill b
nd 6
(won
3.5
.8of
4 M
Not
e re
mM
HS
Purpos
es
tile
da
mov
edac
tuat
ion
Onlyue-L
ooon
f
11N
RC
Mee
ting
–U
.S. E
PR
–M
id-L
oop
Ope
ratio
n –
April
7, 2
014
---F
or D
iscu
ssio
n Pu
rpos
es
Cha
pter
5 C
losu
re fo
r Mid
-Loo
p O
pera
tion
�C
hapt
er 5
clo
sure
for m
id-lo
op o
pera
tion
�Fo
cus
Cha
pter
5 d
iscu
ssio
n on
det
erm
inis
tic
feat
ures
that
add
ress
GL
88-1
7�
Incl
ude
chan
ges
to T
echn
ical
Spe
cific
atio
ns
and
CO
L ite
ms
(as
need
ed) t
o su
ppor
t de
term
inis
tic s
afet
y fin
ding
s
For Disc
ussio
ns
nee
fety
Purp
oses
op o
on o
nL
88-
echn
Onlyoora
tio
12N
RC
Mee
ting
–U
.S. E
PR
–M
id-L
oop
Ope
ratio
n –
April
7, 2
014
---F
or D
iscu
ssio
n Pu
rpos
es
Tech
nica
l Spe
cific
atio
ns a
nd C
OL
Item
s
�Te
chni
cal S
peci
ficat
ions
�In
Tec
hnic
al S
peci
ficat
ion
3.5.
8, re
mov
e “N
ote”
allo
win
g te
mpo
rary
rem
oval
of a
ll M
HSI
pum
ps fr
om s
ervi
ce in
M
ode
5 an
d 6
(with
refu
elin
g ca
vity
not
fille
d) �
Cha
nge
assu
res
oper
abili
ty o
f MH
SI in
Mod
es 5
and
6 (w
ith
refu
elin
g ca
vity
not
fille
d)�
In T
echn
ical
Spe
cific
atio
n 3.
3.9,
add
pro
tect
ive
trip
for
RH
R
�C
OL
Item
s�
Del
ete
CO
L ite
m 5
.4-2
�R
isk
asse
ssm
ent f
or R
CS
mai
nten
ance
with
fuel
in th
e ve
ssel
is n
o lo
nger
requ
ired
by C
OL
appl
ican
t.
For OLDisc
ussio
nat
ion
CO
L ite
nanc
eap
Purpos
es
emov
epu
mp
cavi
tyH
SI in
Mod
)
OnlyOte
m
13N
RC
Mee
ting
–U
.S. E
PR
–M
id-L
oop
Ope
ratio
n –
April
7, 2
014
---F
or D
iscu
ssio
n Pu
rpos
es
Res
pons
e Pl
an
�Pa
rtia
l RA
I 579
Res
pons
e�
Prov
ide
Dis
cuss
ion
and
Mar
kup
•C
hapt
er 5
•C
hapt
er 7
•C
hapt
er 1
6•
CO
L Ite
ms
in S
ectio
n 1.
8�
Prov
ide
Part
ial R
AI 5
79 re
spon
se b
y M
ay 3
0, 2
014
(tent
ativ
e)�
Fina
l RA
I 579
Res
pons
e�
Prov
ide
Dis
cuss
ion
and
Mar
kup
•Ti
er1,
Cha
pter
19,
Cha
pter
14
and
any
new
CO
L ite
ms
base
d on
new
PR
A re
sults
, ins
ight
s or
con
clus
ions
.�
Inco
rpor
ate
Fina
l RA
I 579
resp
onse
in R
ev. 8
of F
SAR
�Pr
ovid
e Fi
nal R
AI 5
79 re
spon
se w
ith C
hapt
er 1
9 co
mpl
etio
n in
201
5.
Fore F
mpl
etio
n
Discus
sion
espo
nse
on a
ner
19,
P
RA
resu
ate
Fin
a
Purpos
es
n
Onlye
Pla
14N
RC
Mee
ting
–U
.S. E
PR
–M
id-L
oop
Ope
ratio
n –
April
7, 2
014
---F
or D
iscu
ssio
n Pu
rpos
es
Con
clus
ions
1.A
REV
A h
as p
rovi
ded
a “r
evis
ed”
stra
tegy
for
dete
rmin
istic
ally
add
ress
ing
mid
-loop
ope
ratio
n ba
sed
on N
RC
feed
back
from
Mar
ch 1
9, 2
014
2.A
REV
A h
as p
rovi
ded
a re
gula
tory
pat
h fo
rwar
d to
cl
ose
DC
FSA
R C
hapt
er 5
rela
ted
to d
eter
min
istic
tr
eatm
ent o
f mid
-loop
ope
ratio
n3.
NR
C c
oncu
rren
ce o
n de
term
inis
tic tr
eatm
ent o
f m
id-lo
op o
pera
tion
is n
eede
d to
clo
se D
C F
SAR
C
hapt
er 5
in 2
014
For Disc
ussio
nteoo
p o
ce o
ner
atio
in 2
0
Purpos
es stra
mid
-loom
Ma
a re
gula
tr5
Onlysion
