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F-9
Ca River Profile
-100
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1300
1400
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1600
1700
1800
0 50 100 150 200 250 300 350 400 450 500 550 600
Distance (km)
Ele
vatio
n (m
)
1/1400 1/300 - 101/5700
Vietnam
1/4000
From Sta.34+0 R
From Sta.172+0 L
From Sta.259+0 L
Ca
Hieu
Ngan Sau
Nam Mo
Sta.399
Sta: Distance from River mouth
Existing
Dyke system
Laos
Flood prone area
Objective area
Sta
.20
:Hig
hw
ay #
1
Vin
h t
ow
n
Sta
.27
6 o
f C
a
Pro
po
sed
Ban
La
Dam
Sit
e
FSL
493
F-10
F-11
Thach Han River Profile
-100
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600
700
800
900
1000
1100
1200
0 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 160 170
Distance (km)
Ele
vatio
n (m
)
1/2500 - 4000 1/100-101/300 - 200
Thach Han
Rao Quan Sta.86+600 L
1/800
Cam Lo Sta.10+800 L
Sta: Distance from River mouth
Flood prone area
Pro
po
sed
Rao
Qu
an D
am
FSL
493
Proposed dyke system
Thach Han Sta.0 to Sta.27
Hig
h W
ay #
1,
Rai
lway
Do
ng
Ha
Cit
y
Area to be protected
F-12
F-13
Huong River Profile
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350
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600
650
700
0 10 20 30 40 50 60 70 80 90 100 110 120 130
Distance (km)
Ele
vatio
n (m
)
Huu Trach
Ta Trach
Bo
1/2500 1/700 1/200 1/100
Ta Trach River
Lag
oon
Bo RiverHuu Trach River
Huong River
Pro
pose
d T
a T
rach
Dam
Site
Sta.11+300 L Sta.36+350 LS
ta.5
2+
0
Sta: Distance from River mouth
Hue
city
Inundated area
(FSL 45)
F-14
F-15
Vu Gia-Thu Bon River Profile
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1200
1300
1400
1500
1600
1700
1800
1900
2000
0 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 160 170 180 190 200 210
Distance (km)
Ele
vatio
n (m
)
1/1000 1/100 - 101/5000
Vu Gia
Vu Gia
1/1000
1/150
Sta.36
Thu Bon
Inundated area
in the flood of 1999
Area to be protected Pro
po
sed
Ho
So
ng
Tra
nch
II
Dam
FSL125
Th
u B
on
Riv
er
Sta: Distance from River mouth
F-16
F-17
Tra Khuc River Profile
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0
100
200
300
400
500
600
700
800
900
1000
1100
1200
1300
1400
0 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 160
Distance (km)
Ele
vatio
n (m
)
1/1900 1/1100 1/800 1/100- 10 Re
Tra Khuc
Sta.68+300 R
of Tra Khuc
Dak Selo
Nuoc Trang
Flood prone area
Area to be protected
Pro
po
sed
Nu
oc
Tro
ng
Dam
Nu
oc
Tro
ng
Sta
.19
+5
00
FSL 91.93
Qu
ang
Ng
ai C
ity
Hig
h W
ay #
1,
Rai
lway
Sta.71 L of Tra Khuc
Sta: Distance from River mouth
F-18
F-19
Kone River Profile
-100
0
100
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500
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700
800
900
1000
1100
1200
0 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 160 170
Distance (km)
Ele
vatio
n (m
)
1/2300 1/500 - 2001/1200 1/100 - 10
Flood prone area
Objective area of Flood Control
Pro
po
sed
Din
h B
inh
Dam
Ko
ne
Sta
.84
+3
00
FSL 91.93
Hig
h W
ay #
1,
Rai
lway
Sta: Distance from River mouth
F-20
F-21
