Babuyan Channel LEGEND Course 1 Road 2 Basin Boundary Subbasin of Major 3 Tributary Lal-lo Bank erosion 4 5

. Magapit R N Magapit Br. n Scale a y a 6 0 10 20 30 km g R. a ummon C D Nassiping 7 8

Alcala Pared R.

s n

9 i a

Amulung t

n

u o

22 10 M

11 e

Iguig r

Tuao d

26 a

. M R 12

a

co Solana Tugue r i ga r h 25 rao R

. e

C Buntun Br. 24 i

Tuguegarao S 14 13 23 Enrile 17 16 15

18 Pinacanauan R.

s n 19 i a t

n .

u

R

o

n

Mallig a M y

a

a . g a . r R R

e ni g C i l i au l ll m i a Tu d M r o

C 30

28 27 29 20 32 31 Siffu R. 21

36 s n

. i R t a a t

g . a n

Cauayan R

35

M u n

o

a g

M a l

34 I e

r Magat Dam . d

R a

n

a M

y

a a

g r 33 a r

C e

i

Echague S Santiago

50 73 Pangal Norte

. R t 37 49 a Jones g a M

The Feasibility Study of the Flood Control Project for the Lower River Figure 1.2.1 in the Republic of the Critical Bank Erosion Sites JAPAN INTERNATIONAL COOPERATION AGENCY

VI-F30 Legend

Topographic map (1947 - 1953)

Aerial photographs (1979)

Topographic map (1990)

Aerial photographs (2000)

Road

Solana

N

Tuguegarao

Enrile

Scale 0 1 2 3 km

The Feasibility Study of the Flood Control Project for the Lower Figure 1.2.2 in the Republic of the Philippines Riverbank Erosion around Enrile and  JAPAN INTERNATIONAL COOPERATION AGENCY Tuguegarao

VI-F31 35 1 0 4

30 Projected Dead Space : 300 million cu.m 1 0 2

Annual Sediment 25 1 Rate 0 (Projected Annual Sediment Rate : 5.5 million cu.m) 0

20 8 0 Accumulated Sediment Volume

VI-F32 15 6 0

10 4 0

5 Completion of Dam 2 0 Earthquake occurred in 1990

Source : NIA,Region II Office 0 0 197 198 198 199 199 200 200 201 Yea 5 0 5 0 5 0 5 0 r Source: FINAL REPORT FOR THE MASTER PLAN STUDY Babuyan Channel ON THE CAGAYAN RIVER BASIN WATER RESOURCES DEVELOPMENT / SUPPORTING REPORT/ AUGUST 1987

LEGEND River Course

Road . R

Basin Boundary n a

y S

Subbasin of Major a g N

a Dummon R. I

Tributary C N A

Inundation Area T

(Nov.1973 Flood) N

U

Pared R. O

M

E

R

D

A

M

A R . T R R ugu

o egar E a I ic o R h . C S

S N I A T N Pinacanauan R. U O M

A

R

E .

R

L

n

L a

I y

a

D . g . R a R

R ini g C u li ma O al Tu C M

S

N

Siffu R. I

A

T

N

U

O . R t M a

ag .

E

R

M

n R . a

R g D a

n l

a I A y a g M

a

C A

R

R

E

I

S

. R t a g a M .

R

R. n am a dal y Ad a g

a

C

Scale 0 10 20 30 40 50 km

The Feasibility Study of the Flood Control Project for the Lower Cagayan River Figure 1.2.4 in the Republic of the Philippines Inundation Area Map (Nov.1973 Flood) JAPAN INTERNATIONAL COOPERATION AGENCY

VI-F33 Source: FINAL REPORT FOR THE MASTER PLAN STUDY Babuyan Channel ON THE CAGAYAN RIVER BASIN WATER RESOURCES DEVELOPMENT / SUPPORTING REPORT/ AUGUST 1987

LEGEND River Course

Road . R

Basin Boundary n a

y S

Subbasin of Major a g N

a Dummon R. I

Tributary C N A

Inundation Area T

(Nov.1980 Flood) N

U

Pared R. O

M

E

R

D

A

M

A R . T R R ugu

o egar E a I ic o R h . C S

S N I A T N Pinacanauan R. U O M

A

R

E .

R

L

n

L a

I y

a

D . g . R a R

R ini g C u li ma O al Tu C M

S

N

Siffu R. I

A

T

N

U

O . R t M a

ag .

E

R

M

n R . a

R g D a

n l

a I A y a g M

a

C A

R

R

E

I

S

. R t a g a M .

R

R. n am a dal y Ad a g

a

C

Scale 0 10 20 30 40 50 km

The Feasibility Study of the Flood Control Project for the Lower Cagayan River Figure 1.2.5 in the Republic of the Philippines JAPAN INTERNATIONAL COOPERATION AGENCY Inundation Area Map (Nov.1980 Flood) VI-F34 Babuyan Channel

Source: OCD Region II Office and Interview Survey by the Study Team

LEGEND River Course

Road . R

Basin Boundary n a

y S

Subbasin of Major a g N

a Dummon R. I

Tributary C N A

Inundation Area T

(Oct.1998 Flood) N

U

Pared R. O

M

E

R

D

A

M

A R . T R R ugu

o egar E a I ic o R h . C S

S N I A T N Pinacanauan R. U O M

A

R

E .

R

L

n

L a

I y

a

D . g . R a R

R ini g C u li ma O al Tu C M

S

N

Siffu R. I

A

T

N

U

O . R t M a

ag .

E

R

M

n R . a

R g D a

n l

a I A y a g M

a

C A

R

R

E

I

S

. R t a g a M .

R

R. n am a dal y Ad a g

a

C

Scale 0 10 20 30 40 50 km

The Feasibility Study of the Flood Control Project for the Lower Cagayan River Figure 1.2.6 in the Republic of the Philippines Inundation Area Map (Oct.1998 Flood) JAPAN INTERNATIONAL COOPERATION AGENCY VI-F35 President National Disaster Coordinating Council

PAGASA Office of Civil Defense

Reginal Disaster Coordinating Council

Provincial Disaster Coordinating Council

Municipality Disaster City Disaster Coordinating Coordinating Council Council

Barangay Disaster Disaster Coordinating Council Coordinating Council

Inhabitant Inhabitant

Legend : Information for Decision Data source : Region 2, RDCC : Decision and Action The Feasibility Study of the Flood Control Project Figure 1.4.1 for the Lower Cagayan River in the Republic of the Philippines Communication Flow Chart Of JAPAN INTERNATIONAL COOPERATION AGENCY National Disaster Management

VI-F36 Regional Director/Police Chief Superintendent Regional Disaster Coordinating Council

RDCC OPLAN BAGYO/LAYOS supported by PRO2 LOI LA NINA and LOIKALIGTASAN

Committees

Communication and Warning Welfare and Rehabilitation Health and Medical Services Transportation Services Services Services ( *PIA, PNP, BUTEL, NTC, ( *LTO, PNP, DPWH, ATO, ( *DPWH, DSWD, DOH, NFA, PAGASA, Radio Stations, (*DOH, PNP & PNRC, DILG) PPC, CASF 2, 5ID PA, DA, DECS, NTC, TELOF, OCD, REACT, Pugad Lawin, LTFRB ) PCIC, PNP, NGOs ) PLDT, CSC ) VI-F37

Price Stabilization Services Relief Services Rescue and Recovery Services Training Services

( *OCD, DILG, DSWD, PNRC, (*PNP, DOH, PNRC, DA, ( *DTI, PNP, BIR, NAPOLCOM, ( *DSWD, DOH, NFA, DAR, PNP, DOH, DA, DPWH, DPWH, LTO, 5ID PA, BFP, DA, DOH, NGOs, LGUs ) DA, PNRC, PNP, NGOs) PAGASA, BFP, DOLE, PPC, CASF 2, NGOs) TESDA, DOST )

Note: The symbol "*" indicates the lead agency. Provincial Disaster Coordinating Councils City/Municipality Disaster Coordinating Councils

Barangay Disaster Coordinating Councils

Source: Integrated Regional Disaster Disaster Affected Areass Management, RDCC Region 2 e v i

R

o

c i

h

C

r Pared

P

e

v a

i r

R e t

k R o i o v r Riv e B n e r

Pin a r l a u

ca a o n ng

a

P

r

e

v

i R

n

a

y a g a C

Tum

auini

I l

a

g a n R i

v

e r

Magat Reservoir

er Riv t a g Ma

r e

Figure 1.4.3 v

i R

n a y a g Ca

C a s

i VI-F38

g

n

a n R i v e r

r ZONE 1 = 1000 CMS ZONE 2 = 2000 CMS ZONE 3 = 3000 CMS ZONE 4 = 5000 CMS T N ZONE 5 = 8000 CMS O & ABOVE R O X A S

- RIVER

S

A - NATIONAL ROAD X 101 103 O

R 102 - PROTECTION DYKE O T BURGOS 100 0 1000 2000 3000 4000 5000m - FLOODED RESIDENTIAL AREAS

- LOCATION OF FLOOD WARNING SIRENS (OLD) 99 O A R

- LOCATION OF FLOOD WARNING STATION (NEW) A G

98 E 39 84 U

97 G U T 40 SAN MANUEL O 85 T 114 83 41 104 96 42 105 86 44 106 115 95 87 107 113 43 94 82 38 37 45 108 112 17 124 36 93 35 111 116 46 109 120 122 110 119 92 47 18 34 117 118 121 33 48 123 91 90 19 89 88 81 F i g 49 61 62 64 80 32 60 63 u MAGMAATG HAIGT HDDAAMM 20 CABATUAN 65 79 r 22 31 50 58 66 F M e 1 21 78 2 23 59 56

76 l 77

1 LUNA o 25 57 a 24 29 NAGUILAN . o SAN MATEO g 55 75 4 4 54 d 67 a 26 . 28 4 t 10 12 74

Z 68 RESERVOIR 27 69 F 11 REINA MERCEDES o 3 l 30 73 n o 13 14 125 o e 5 9

s MMAAGARTI SHI GDHADMAM d 52 70

D 16 W 53 o 8 71 72 a w 7 51 CAUAYAN r 6 n n 15 s i t n r A g L e I N

A a M S O m RAMON T y s o t 1 STO. DOMINGO 16 SALINUNGAN 31 CULING CENTRO 46 SILI 61 PULAY 76 TUROD 91 BANQUERO 106 LAPUZ 121 BINARSANG e

f 2 NAMILLANGAN 17 KAKAWAYANAN 32 CULING WEST 47 CAMARUNG 62 LALOG 77 MANSIBANG 92 SANTIAGO 107 STA. RITA 122 CATABBAN T m

O 3 NIA-MRIIS-DRD 18 SAN JOSE 33 RANISIEN 48 SARANAY 63 SANTOR 78 PALAT TAO 93 SAN BONIFACIO 108 MALASIN 123 SALUCONG M

S

A 4 KINAWAYAYAN 19 BAGONG SIKAT 34 VILLA FUGO 49 CULING EAST 64 DANGAN BABA 79 MALALATANG GRANDE 94 SAN ROQUE 109 BOLINAO 124 SAN LUIS

N a

a T 5 OSCARIZ 20 SAN ROQUE 35 VILLA VIERNES 50 MACALAOT 65 SINIPPIL 80 TONGUE 95 HACIENDA VIOLA 110 SOBASTA 125 MINALLO

I A n

g

G 6 BURGOS 21 MAPUROK 36 BANNAOAG 51 NAGRAMBUAN 66 DANGAN VIEJO 81 GUIBANG 96 DALIG VIEJO 111 VICTORIA O d

a

7 VILLA BELTRAN 22 SANIGNACIO 37 KAIPILAN 52 MARABULIG 2 67 NAPACCU GRANDE 82 UPI 97 MALASIN 112 ESPERANZA WEST

C  I t

T 8 VILLA FUERTE 23 OLD CENTRO II 38 SAN ANDRES 53 68 MAPACCU PEQUENO 83 PILAR 98 BUGNAY 113 ESPERANZA EAST Y

D 9 SINAMAR NORTE 24 OLD CENTRO I 39 MARANGUE 54 MAMBABANGA 69 TAGARAN 84 CABANNUANGAN 99 CALIGUIAN 114 DALIG 10 ESTRELLA 25 MARASAT GRANDE 40 MALALINTA 55 DADAP 70 MABANTAD 85 BALLUDI 100 MABINI 115 a 11 BELLA LUZ 26 MARASAT PEQUENO 41 BAGONG TANZA 56 MACANAO 71 TURAYONG 86 BARCOLAN 101 PINTOR 116 MACOCAY m 12 27 TANDUL 42 SAN PEDRO 57 SAN MIGUEL 72 NAGCAMPEGAN 87 BUENAVISTA 102 UNION 117 BANNAGAO 13 VILLA MAGAT 28 MAC. DAM 43 STA. ROSA 58 73 LIBENAB PEQUENO 88 STA. ROSA 103 BIGAO 118 MAGAT 14 SAN MANUEL 29 DIAMANTINA 44 SN. JOSE 59 74 LIBENAB GRANDE 89 LINSON 104 NAMPICUAN 119 SAN ISIDRO 15 VICTORIA 30 LAPAZ 45 SN. JUAN 60 CONCEPCION 75 VILLADOR 90 FURAO 105 BAGNOS 120 STO. DOMINGO The Feasibility Study of the Flood Control Project for the Lower Cagayan River Figure 1.5.1 in the Republic of the Philippines Outline of Magapit Bridge JAPAN INTERNATIONAL COOPERATION AGENCY

VI-F40 Fl o od C on tro l Problem 1ofDamage . casual t y an d asset ural Low agricult 2. s produc t Natural Cause (2) Cause Natural rainfall ntrat1. Conce ed bro ughtty by pho on vegetation Poor 2. So ci al an E Co d ns c on train omi t c 1 . Sh or tplan aoverall and of ge Lack 2. o f b u dge t implementat ion schedule Lac3. of k integrated organization and capabilit y

nt Natural Cause (1) Cause Natural Channe (River l ) 1. Ex t ensive f lood p lain 2 . B ack water due to constrict sect ed ionin s narroe the s Magapit Sedimentation 3. 4Bank . er osion due to so f t ri verb ank Casualty L owprod uctivity H ig h V uln ea rab gainst D ility isas ter assets 1. of 2.Loss 3.

Major C ause and Constrai and C ause Major

Measures 1. Decrease of flood peak of flood Decrease 1. Multipurpose Dam Multipurpose waterirrSupply for 2. igation dev't 1. Stabilize low wate r channel r wate low 1. Stabilize Bank Protection Works

Structural land new ent Embankm of inundation of 1. Decrease creation and area 2. Cont ribut e rur as al road 1. Lowering of flood water flood of Lowering 1. level 2. Decre o ase in f undat ion depth durat an d ion tin he upst ream Widening of Bottlenecks of Widening

Measures

eve; 1. Wa ter sh managemen ed t Non-structural Measures Disaster 2. management system Reset 3. tlement

Non-Structural Or gani zat ion @ @ ncrease of Agricultural Products Agricultural of ncrease 1. Strengthening of funding of Strengthening 1. Strengthening of Institution and 2. Instit utiona improv l emen t 3. O r gani z at improvement i on a l Capabuilding 4. city education 5. Awareness

Counterm easures to achi to Counterm easures 1 P . r o te c2 tio . I no C f a s ua lty a n d A s s e t s

Supporting Measures Supporting

VI-F41 Flood Dike (Embankment) and Riverbank Forest Zone

Boundary of Administrative River Zone Riverbank Forest Zone to form natural levee ( and protect earth dike) (by Bamboo, Tree, etc.) Dike Top Width Free Dike construction Board finally by additional Design High Water Level embankment

VI-F42 Drain

Siltation after Low Water Channel passing through the riverbank forest zone (year by year) Note ; Purpose of Riverbank Forest Zone; Dike Dimensions Design Discharge Free Board Top Width 1. To reduce velocity 2. To form natural levee by siltation (cu.m/s) (m) (m) 3. To protect dike from scouring due to flood flows

5,000 to 10,000 1.5 6

more than 10,000 2 7 Ilagan No.1 Dam Vol : 382 mcm Rout 0.10

4,800 900 (6,900) (6,100) [7,000] [1,200] Cagayan No.1 Dam Ilagan River Vol : 318 mcm Rout 0.683 Cagayan River Cagayan River 17,900 17,700 16,900 15,600 10,000 5,900 (15,900) (18,700) (17,800) (16,300) (10,700) (7,700) [25,400] [25,600] [24,600] [23,100] [15,100] [9,100]

Mallig R.

VI-F43 900 (1,400) [1,100]

Magat Dam Vol : 200 mcm LEGEND Mallig No.2 Dam 3 Rout 0.638 Flood Discharge (m /s) Vol : 93.4 mcm Rout 0.10 10,000 : Long-term Plan (25yr) Siffu No.1(A) Dam (10,700) : Existing (25yr) Vol : 96.1 mcm [15,100] : Framework Plan (100yr) Rout 0.10

Source : The Master Plan Study on the Cagayan River Basin Water Resouce Development, Supporting Report Aug. 1987 by JICA (page;FC-131) VI-F44

Elevation (El m) 10 12 14 16 18 20 22 24 26 6 8 03 05 07 09 100 90 80 70 60 50 40 30 20

Magapit Br.

Zinundungan R.(L) Magapit Site

Dummon R.(R) 1.4m Distance from from Distance River Mouth (km) 0.4m Nassiping Site

Chico R.(L) Nassiping Tupang Site Tupang 2.1m 1.2m

Pared R.(R) Alcala 2.6m 2.0m Underthe present river channel d fLwWa er at hof Low W idt W =1/00 /10 1 W= li Pl Width of Flood W=1/25 0 1000 2000 3000 4000 5000 6000 7000 8000 9000 10000

Width (m) The FeasibilityStu JAPAN INTERNATIONAL COOPERATION AGENCY Case-5 Tupang ~ Magapit Site (W=700m)

in theRepublicofPhilippines Case-4 Tupang + Nassiping + Magapit Site (W=500m) f or t Case-3 Tupang + Nassiping Site (W=500m) ( Case-1 Without widening ) h e LowerCagayanRive Case-2 Tupang Site (W=500m) d y oftheFloo d Control Projec

r Maagapita

Tupangpg Site

m m m

k

k m

0

0 3535k 3 3 3 t Alcala

Fi Magapitgp Site m gure 2.2.

VI-F45 Nassipingpg Site 2 in theMagapit Narrows Location MapofBottlenecks Nassipin

← Cagayan Chico River River Channel

W=500m 0 1 2 k W=700m T J A h e P A

F N e a I N s i n i Pinacanauan R.(R) T b Magapit Br. f t i o E h l Zinundungan R.(L) Chico R.(L) Pared R.(R) Buntun Br. Sta. Maria Br. r i R e t Aparri Dummon R.(R) Nassiping Alcala Tuguegarao R.(R) Cabagan y t

N R h

S A e e t

T p u L 40 I u d o O b y w N l i o e c A f r

35

L o t C h f C e a t h O g F e a O l

y 30 o P P a o E h n d i R l

R i C A p i

T 25 o p v I n e i O n r t r e N o s l A

20 P G r E o N j e C c 15 t Y

F 10 i ) g m u r L 5 e E (

2 n . o 2

i 0 t . 3 o P a f v r

e o t l h p -5 Top of Dike E e o

H.W.L s L e o d -10 25-year Flood Water Level w

L

e Left Bank Elevation o r n Right Bank Elevation C -15 g a i Mean River Bed t g u a Deepest River Bed d -20 y i a n Design River Bed n a l R -25

P Gabut San Isidro Tuguegarao i COC COC COC r v o e f r

i -30 l 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 e 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0

5 0 0 0 0 5 0 5 0 0 5 5 0 5 0 5 0 5 5 5 0 5 5 0 5 0 2 3 4 5 6 6 8 8 1 3 3 5 0 0 1 1 2 3 4 5 0 0 1 4 4 5 0 0 0 0 0 0 0 0 1 1 1 1 0 0 0 0 0 0 0 0 1 1 1 1 1 1

Section Number 2 km 01 Solana dike Solana dike West dike West Amulung dike Raising of National Highway

Raising of National Highway se-4

Gabut cut-off channel Gabut cut-off

a

C Case-3 Solana dike Alcala-Buntun dike San Isidro cut-off channel San Isidro cut-off Amulung dike Raising of National Highway Raising of National Highway Gabut cut-off channel Gabut cut-off

Gabut cut-off channel Gabut cut-off

Case-2 Case-1

The Feasibility Study of the Flood Control Project for the Lower Cagayan River Figure 2.2.4 in the Republic of the Philippines Location Map of Alternative Plan JAPAN INTERNATIONAL COOPERATION AGENCY Alcala to

VI-F47 Case-1

Tuguegarao dike

Enrile dike

Case-2

Tuguegarao dike

Tuguegarao diversion channel

Case-3

Tuguegarao dike

Enrile dike

Tuguegarao cut-off channel

0 1 2 km

The Feasibility Study of the Flood Control Project Figure 2.2.5 for the Lower Cagayan River in the Republic of the Philippines Location Map of Alternative Plan JAPAN INTERNATIONAL COOPERATION AGENCY Buntun Br. to Upstream of Tuguegarao

VI-F48 Babuyan Channel Aparri LEGEND

Dam reservoir River Course Lower Reach Dike Hilly land Diking system Basin Boundary ver Dummon Ri

N Alcala Pa :Proposed schemes in the red R

iver S

Reviewed Long-term Plan N

Gabut COC I A

including bank protection T

N U

works at 73 sites in the O r e

San Isidro COC M

v

i

basin wide, and non-structural E R

R

o

D Alcala-Buntun Dike c

measures (evacuation system i

T A

h ugu C eg M

ara and resettlement area o A Ri ver R

development). R

E I

Tuguegarao S Tuguegarao Dike Tuguegarao COC

Enrile Dike

Cabagan Middle Reach Dike

Mallig No.2

S r

e

N v

I i

A R

T

n er a v

N Ri y ni

U ui

a ma O g Tu

M a C A R E M L alli L g R I iver D R O C Siffu River Ilagan Siffu No.1 (A)

r S e N iv I R at A

g T Ma N

Upper Reach Dike U n

a O r y e

a M Magat Dike . v

g i

R E a

R

C n R a

g D

a

l A I

M

Magat (Existing) A Alimit No.1 (A) R

R

E

I

S

Matuno No.1

r e iv R m la a d d A

er iv R Scale an ay ag 0 10 20 30 40 50 km C The Feasibility Study of the Flood Control Project for the Lower Cagayan River Figure 2.3.1 in the Republic of the Philippines Outline of Reviewed Flood Control JAPAN INTERNATIONAL COOPERATION AGENCY Long-term Plan

VI-F49 The FeasibilityStudyoftheFlood Control Project JAPAN INTERNATIONAL COOPERATION AGENCY

Cut-off Channel

500m in theRepublicofPhilippines 012 km for theLowerCagayanRiver 1:3 100m 100m 1:3

6m 1:3 1:3

San Isid

of National H Tuguegarao dike L=14.3km Figure 2.3.2 Long-term Plan (from Alcala to Tuguegarao) Location MapofReviewed FloodControl VI-F50

Alcala-Buntun dike Gabut cut-off channel L=38 6km

Enrile dike Tuguegarao cut-off channel L=4.6km Drainage culvert for tributary 6 gates x 1.5m x 1.5m

Flood Dike (Embankment) with Riverbank Forest Zone

Riverbank Forest Zone to form natural levee (and protect earth dike) Dike construction (by Bamboo, Tree, etc.) (finally by additional embankment)

7m m HWL 1:3 Du :3

an Channel 1 y Aparri abu B Drain passing through the Chico R. riverbank forest zone N (year by year) Aparri Babuyan Channel LEGEND River Course 1 Road 2 Basin Boundary Subbasin of Major 3 Tributary Lal-lo Bank erosion 4 5

. Magapit R N Magapit Br. n Scale a y Gattaran a 6 0 10 20 30 km g R. a ummon C D Nassiping 7 8

Alcala Pared R.

s n

9 i a

Amulung t

n

u o

22 10 M

11 e

Iguig r

Tuao d

26 a

. M R 12

a

co Solana Tugue r i ga r h 25 rao R

. e

C Buntun Br. 24 i

Tuguegarao S 14 13 23 Enrile 17 16 15

18 Pinacanauan R.

s n 19 i Cabagan a t

n .

u

R

o

n

Mallig a M y

a

a . g Tumauini a . r R R

e ni g C i l i au l ll m i a Tu d M r o

C 30

28 27 29 20 32 31 Siffu R. Ilagan 21

36 s n

. i R t a a t

g . a n

Cauayan R

35

M u n

o

a g

M a l

34 I e

r Magat Dam . d

R a

n

a M

y

a a

g r 33 a r

C e

i

Echague S Santiago

50 73 Pangal Norte

. R t 37 49 a Jones g a M

The Feasibility Study of the Flood Control Project for the Lower Cagayan River Figure 2.3.3 in the Republic of the Philippines Location of Bank Protection Works in the JAPAN INTERNATIONAL COOPERATION AGENCY Reviewed Flood Control Long-term Plan

VI-F51 Legend q q̡ q

$CNNGUVGTQU Flood Prone Area #RCTTK

$CIWG[ River Bank Erosion )QP\CIC 5CPVC6GTGUKVC N

#NNCECRCP Soil Erosion .QNNQ

T G X K .CUCO )CVVCTCP4  P C [ q C q I %C

T G X $CIICQ K 4

 #NECNC Q  5CPVQ0KPQE K 2 4K\CN J C % #OWNWPI T G V  %QPPQT 4 2KCV K X G P4K T +IWKI WC X 6WCQ 2KPC EC PC G T

5QNCPC

6WIWGICTCQ

T

2KPWMRWM G

'PTKNG X

K

4

q̡  q̡ P

C 4K\CN [ C 5CPVC/CTKC I 5CP2CDNQ $CNDCNCP %CDCICPC 5CPVQ6QOCU % 6CDWM 2CUKN /QEQPCEQP

.WDWCICP &KXKNCECP /CNNKI 6QPWFCP /CIUC[ 6KPINC[CP 3WG\QP 6WOCWKPK

2CTCEGNKU

5CFCPIC

+NKICP 3WKNKPI 0CVQPKP $GUCQ $QPVQE  5CICFC 4QZCU  $WTIQU + 2CNCPC )COW N 5CP/CPWGN C I q #WTQTC 0CIWKNKCP C q $CWMQ .WPC P 5CDCPICP  4GKPC/GTEGFGU $GPKVQ5QNKXGP 4 %CDCVWCP 5CP/CTKCPQK /C[Q[CQ X G T %CWC[CP $CPCWG

5CP/CVGQ

*WPIFWCP

.CICYG 4COQP #NKEKC -KCPICP 5CP+UKFTQ 5CP)WKNNGTOQ #PICFCPCP

'EJCIWG 5CPVKCIQ %QTFQP .COWV &KCFK

$CICDCI 8KNNC8GTFG &KHHWP

%CDCTTRIKQU ,QPGU q̡ 5UCIWFC[ q̡ 5QNCPQ 5CP#IWUVKP $C[QODCPE 3WG\QPGT KX #INKRC[ 4 V C #ODQIWNC I /C &KNCUCI

$CODCOI GT -C[CRC X

/CFFGNCK 4

-CUKDW  P #TKVCQ &WRCZ&GN0QTVG C &WWRCZ&GN5WT [ C %QUKIWTCT I % C

% 5CPVC(G C U &KNCNQPICP K T I G

P X

C K

4 P   4 P K C X [ q G CIC 4CR q T % KF U 4KXGT 10 0 10 20 30 40 50km

SCALE q q̡ q

Figure 2.4.1

VI-F52