CAMDEN COUNCIL NEPEAN RIVER FLOOD STUDY
rp301015-03107nm_wjh150525-Nepean River Flood Study.doc Nepean River Flood Study: Rev 4
REPORT FIGURES
3010
15-0
3107
–N
epea
n R
iver
Flo
od S
tudy
1.01
_fg3
0101
5 -03
107n
m14
0218
-Stu
dy A
rea.
doc
Men
angl
e W
eir
Con
fluen
ce w
ith
War
raga
mba
Riv
er
-N
epea
n R
iver
-Tr
ibut
arie
s-
Stu
dy A
rea
(Nep
ean
Riv
er m
odel
)-
Cam
den
LGA
Bou
ndar
y
Ben
ts B
asin
Sta
te
Con
serv
atio
n A
rea
-N
epea
n R
iver
-Tr
ibut
arie
s-
Sub
catc
hmen
t bou
ndar
y-
Plu
viom
eter
stat
ion
loca
tion
-P
luvi
omet
erst
atio
nid
entif
ier
3010
15-0
3107
–N
epea
n R
iver
Flo
od S
tudy
3.01
_fg3
0101
5 -03
107n
m14
0114
-Plu
vio
Sta
tions
.doc
abc
Con
fluen
ce w
ith
War
raga
mba
Riv
er
Men
angl
e W
eir
-N
epea
n R
iver
-Tr
ibut
arie
s-
Sub
catc
hmen
t bou
ndar
y-
Stre
amga
ugin
g st
atio
n lo
catio
n-
Stre
am g
augi
ng s
tatio
nid
entif
ier
3010
15-0
3107
–N
epea
n R
iver
Flo
od S
tudy
3.02
_fg3
0101
5 -03
107n
m14
0113
-Gau
ging
Sta
tions
.doc
abc
Con
fluen
ce w
ith
War
raga
mba
Riv
er
Men
angl
e W
eir
Con
fluen
ce w
ith
War
raga
mba
Riv
er
3010
15-0
3107
–N
epea
n R
iver
Flo
od S
tudy
5.01
_fg3
0101
5 -03
107n
m14
0113
-RO
RB
Sub
catc
hmen
ts.d
oc
Men
angl
e W
eir
-N
epea
n R
iver
-Tr
ibut
arie
s-
Sub
catc
hmen
t bou
ndar
y (N
epea
n R
iver
mod
el)
-S
ubca
tchm
ent i
dent
ifier
Con
fluen
ce w
ith
War
raga
mba
Riv
er
3010
15-0
3107
–N
epea
n R
iver
Flo
od S
tudy
5.02
_fg3
0101
5 -03
107n
m14
0113
-Loc
al_X
P-R
AFT
S S
ubca
tchm
ents
.doc
Men
angl
e W
eir
Sub
catc
hmen
ts d
rain
ing
to N
epea
n R
iver
ups
tream
from
Men
angl
e W
eir n
ot s
how
n –
mod
elle
d pr
evio
usly
as
part
of th
e U
pper
Nep
ean
Riv
er F
lood
Stu
dy (1
995)
.S
ubca
tchm
ents
‘US
NA
RE
LLA
N’a
nd‘M
ID N
AR
ELL
AN
’wer
e m
odel
led
sepa
rate
ly a
nd in
mor
e de
tail
as p
art o
f the
Nar
ella
n C
reek
Flo
od S
tudy
(cur
rent
ly u
nder
take
n). T
hesu
bcat
chm
ent o
utlin
es s
how
n re
pres
ent t
he o
vera
ll ar
eas
of th
ese
subc
atch
men
ts o
nly
-N
epea
n R
iver
-Tr
ibut
arie
s-
Ove
rall
exte
nt o
f 2D
grid
-A
ctiv
e bo
unda
ry o
f 2D
grid
-C
amde
n LG
A b
ound
ary
3010
15-0
3107
–N
epea
n R
iver
Flo
od S
tudy
6.01
_fg3
0101
5 -03
107n
m14
0113
-TU
FLO
W L
ayou
t.doc
Men
angl
e W
eir
Con
fluen
ce w
ith
War
raga
mba
Riv
er
3010
15-0
3107
–N
epea
n R
iver
Flo
od S
tudy
6.02
_fg3
0101
5 -03
107n
m14
0211
-TU
FLO
W T
erra
in.d
oc
-N
epea
n R
iver
-Tr
ibut
arie
s-
Stru
ctur
e lo
catio
n
3010
15-0
3107
–N
epea
n R
iver
Flo
od S
tudy
6.03
_fg3
0101
5 -03
107n
m14
0211
-TU
FLO
W S
truct
ures
.doc
Men
angl
e W
eir
Con
fluen
ce w
ith
War
raga
mba
Riv
er
-N
epea
n R
iver
-Tr
ibut
arie
s-
Ups
tream
& d
owns
tream
bo
unda
ry li
nes
-U
pstre
am &
dow
nstre
am
boun
dary
iden
tifie
r-
Loca
l inf
low
are
as-
Loca
l inf
low
iden
tifie
r
3010
15-0
3107
–N
epea
n R
iver
Flo
od S
tudy
6.04
_fg3
0101
5 -03
107n
m14
0114
-TU
FLO
W B
ound
arie
s.do
c
abc
abc
3010
15-0
3107
–N
epea
nR
iver
Flo
od S
tudy
(Cam
den
Cou
ncil)
6.05
_fg3
0101
5 -03
107n
m14
0218
-DS
Man
ning
s D
istri
butio
n.do
c
Ob
serve
d lev
el loc
ation
Obse
rved p
eak
stre
am le
vel [m
AHD]
Mode
lled p
eak
stre
am le
vel [m
AHD]
Mo
del n
etwor
k outl
ine
Road
s (n=
0.02)
Gorg
e (n=
0.04)
Wate
rcour
ses (
n=0.0
4)
Heav
ily ve
getat
ed
water
cour
ses (
n=0.0
6)
Urba
n are
as (n
=0.15
)
Tree
s (n=
0.10)
Flood
plain
area
s with
in mo
del
exten
t but
not m
arke
d refl
ect
area
s defi
ned a
s Gr
ass/P
astur
e/Bru
sh (n
=0.06
)
3010
15-0
3107
–N
epea
nR
iver
Flo
od S
tudy
(Cam
den
Cou
ncil)
6.06
_fg3
0101
5 -03
107n
m14
0218
-US
Man
ning
s D
istri
butio
n.do
c
Mo
del n
etwor
k outl
ine
Road
s (n=
0.02)
Gorg
e (n=
0.04)
Wate
rcour
ses (
n=0.0
4)
Heav
ily ve
getat
ed
water
cour
ses (
n=0.0
6)
Urba
n are
as (n
=0.15
)
Tree
s (n=
0.10)
Flood
plain
area
s with
in mo
del
exten
t but
not m
arke
d refl
ect
area
s defi
ned a
s Gr
ass/P
astur
e/Bru
sh (n
=0.06
)
FIG
UR
E 10
.1
PRO
PER
TIES
SU
BJE
CT
TO F
LOO
D D
AM
AG
E D
UR
ING
TH
E 1%
AEP
EVE
NT
[OVE
RVI
EW]
3010
15-0
3107
– N
epea
n R
iver
Flo
od S
tudy
(Cam
den
Cou
ncil)
10
.1_f
g301
015 -
0310
7eh1
5032
6-10
0yr_
Dam
ages
_Ove
rvie
w.d
ocx
NO
TES:
Prop
ertie
s sho
wn in
clude
thos
e sub
ject to
be
low-flo
or an
d ove
r-floo
r inun
datio
n
Inter
face b
etwee
n Nep
ean
Rive
r and
Nar
ellan
Cre
ek
flood
map
ping.
Refer
to th
e Nar
ellan
Cre
ek
Flood
Stud
y for
Nar
ellan
Cr
eek m
appin
g.
LEG
END
:
Up
strea
m ex
tent o
f tribu
tary f
lood
mapp
ing. L
ocal
catch
ment
flood
ing to
be
inves
tigate
d in f
uture
stud
ies.
FIG
UR
E 10
.2
PRO
PER
TIES
SU
BJE
CT
TO F
LOO
D D
AM
AG
E D
UR
ING
TH
E 1%
AEP
EVE
NT
[CA
MD
EN]
3010
15-0
3107
– N
epea
n R
iver
Flo
od S
tudy
(Cam
den
Cou
ncil)
10
.2_f
g301
015 -
0310
7eh1
5032
6-10
0yr_
Dam
ages
_Zoo
med
.doc
x
NO
TES:
Prop
ertie
s sho
wn in
clude
thos
e sub
ject to
be
low-flo
or an
d ove
r-floo
r inun
datio
n
LEG
END
:
Up
strea
m ex
tent o
f tribu
tary f
lood
mapp
ing. L
ocal
catch
ment
flood
ing to
be
inves
tigate
d in f
uture
stud
ies.
Inter
face b
etwee
n Nep
ean
Rive
r and
Nar
ellan
Cre
ek
flood
map
ping.
Refer
to th
e Nar
ellan
Cre
ek
Flood
Stud
y for
Nar
ellan
Cr
eek m
appin
g.