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DGWR F/S F/U LBB M/P MPTS RRA SEA Directorate General of Water Resources Feasibility Study on Flood Control and Water Management in the Limboto-Bolango-Bone Basin Follow-up Study on Flood Control and Water Management in the Limboto-Bolango-Bone Basin Limboto-Bolango-Bone Master Plan Study on Flood Control and Water Management in the Limboto-Bolango-Bone Basin Multi-purpose Tree Species/ Jenis Pohon Serba-guna Rapid Rural Appraisal/ Penilaian Pendesaan Cepat / Strategic Enrionmental Assessment AMDAL ANDAL Balai PSDA Balitbangpedalda Bapedalda Bappeda Analisis mengenai Dampak Lingkungan Hidup Analisis Dampak Lingkungan Hidup Regional Water Resources Management Office Badan Penelitian Pengembangan dan Pengendalian Dampak Lingkungan Daerah Badan Pengendalian Dampak Lingkungan Daerah Badan Perencanaan Pengembangan Daerah

Bappenas Bappppeda Bhs. BMG BPD BPDASB BRLKT DAS Dephut Dinas PUPP DPU DR GNRHL IDT IPK Kab. Kades Kadus Badan Perencanaan Pengembangan Nasional Badan Perencanaan Pembangunan Penelitian dan Pengembangan Daerah Bahasa Meteorological and Geophysical Agency Badan Perwakilan Desa Watershed Management Office Balai Pengelolaan DAS Land Rehabilitation and Soil Conservation of Solo Sub-Center River Basin Daerah Aliran Sungai Departmen Kehutanan Provincial Water Resources Service Office Ministry of Public Works Dinas Pekerjaan Umum Dana Reboisasi Gerakan Nasional Rehabilitasi Hutan dan Lahan Inpres Desa Tertinggal Izin Pemanfaatan Kayu Kabupaten Kepala Desa Kepala Dusun

Kec. Kel. KIMPRASWIL KK KLH KUD LSM NJOP PDAM PBB Pemda PJT PKK PKSA Polindes Posyandu PPh PPTPA Prop. PTPA Kecamatan Kelurahan Ministry of Settlement and Regional Infrastructure Departmen Pemukiman dan Prasarana Wilayah Kepala Keluarga / Kantor Menteri Negara Lingkungan Hidup Koperasi Unit Desa Lembaga Swadaya Masyarakat Nilai Objek Pajak Bumi dan Bangunan Perusahaan Daerah Air Minum Pajak Bumi dan Bangunan Pemerintah Daerah Public Water Service Cooperation Pembinaan Kesejahteraan Keluarga Water Resources Development and Conservation Section Pos Pelayanan Immunisasi Desa Pos Pelayanan Terpadu Pajak Penghasilan Panitia Pelaksanaan Tata Pengaturan Air Propinsi Panitia Tata Pengaturan Air

Puskesmas RKL RPL RT RTRWP RW Sekdes SK Sosek Th Pusat Kesehatan Masyarakat Rencana Pengelolaan Lingkungan Rencana Pemantauan Lingkungan Rukun Tetangga Rencana Tata Ruang Wilayah Propinsi Rukun Warga Sekretaris Desa Surat Keputusan Sosial Ekonomi Tahun

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...76 97...97...107...118...139...147 Annex-A: Lower Bolango River Improvement Plan in M/P and F/S... APP - 1 Annex-B: Standrand Cross Section of Lower Bolango River Improvement Plan in F/S and F/U... APP - 7 Annex-C: Proposed Lower Bolango River Improvement Plan in F/U (with practical use of Steel and Reinforced Concrete)... APP - 10 Annex-D: Cross Sections of Proposed Lower Bolango River Improvement Plan in F/U (with practical use of Steel and Reinforced Concrete)... APP - 15 Annex-E: Proposed Lower Bolango River Improvement Plan in F/U (with practical use of Concrete, Gabion and Sodding)... APP - 32 Annex-F: Cross Sections of Proposed Lower Bolango River Improvement Plan in F/U (with practical use of Concrete, Gabion and Sodding)... APP - 37 Annex-G: Proposed Tamalate Floodway Alignment in F/S and F/U... APP - 54 Annex-H: Results of Flood Inundation Survey... APP - 57 Annex-I: Preliminary Design of Drainage Pumping Station... APP - 62 Annex-J: Methodology of the Attitude Surveys on the People Potentially Affected by the Land Expropriation...APP - 64 Annex-K: Memorandum of Understanding between DGWR and Province on Project for Flood Mitigation in LBB Basin, Gorontalo... APP - 66 Annex-L: Reforestation Programs in LBB Basin and their Achievements by Desa/ Kelurahan during 2003-2007... APP - 71 Annex-M: Comparison in the Numbers of the Current Occupants of the Areas Potentially Affected by the Land Expropriation and Resettlement by Desa/ Kelurahan... APP - 74

Annex-N: Location Maps of the Current Houses Potentially Affected by the Project (the original project plan in the F/S stage)... APP - 77 Annex-O: Photographs Over-viewing around the Houses of the Target Population in the Attitude surveys... APP - 90 Annex-P: Some Sketches Showing the House or Community of the Target Population at Attitude Surveys... APP - 95 Annex-Q: Summary of Environmental Management and Monitoring Plans (RKL, RPL) concerning the Original Project Plan at the F/S stage... APP - 98 Annex-R: Location Maps of the Current Houses Potentially Affected by the Modified Project (the modified project plan proposed at the Follow-up Stage)... APP - 103 Annex-S: Collected Material in Follow-up Study... APP - 111 Annex-T: Alignment Alternative of Tamalate Floodway-mouth... APP - 113 Annex-U: Longitudinal Profile of Bone, Bolango and Tamalate Rivers... APP - 115 Annex-V: Others... APP - 119 Annex-W: Minutes of Meeting on Draft Final Report of the Follow-up Study, held on 10 January 2005, and Memorandum on Darft Final Report of the Follow-up Study, dated on 10 January 2005... APP - 126

80,000 200,000 JICA 2001 2 6 2002 12 19 (M/P) EIRR 17.0 16.2 16.9 2003 5-1 -

M/P 1-1 1. JICA 6/27 7/5 2. JICA 3 4 6/27 8/9 5 6/27 7/25 1-2 1. JICA 1/5 1/11 2 1/4 1/15 3-2 -

- 5 -

- 6-1 (a (b (c

(d (e (f 2 (a 60km 2 60m 3 /s 60 3 /s (b2002 (c 3 (a 1 2 5859 60 61-7 -

32001 2002 1 7 10 F/S 1 750 3 /s 3 550 3 / 750 3 / 250m 3 /s 3 3 3 s 550 3 / + - 8 -

2012 2022 2007 2009 3 4-9 -

3 1) 2) 3) 4) - 10 -

1) 2) 1) 2) (2) - 11 -

- 12 -

2 (1) (2) (M/P) 100-200 m 3 / ( ) 892km 2 60% 2-4mm 1,900-3,800m 3 /km 2 2-1 M/P (1) (2) (3) 3 Alo-Pohu (C.A=477km 2 )Biyonga (C.A=66km 2 ) Alo-Pohu Reksonegoro Biyonga - 13 -

( -1~5 ) 2-1 Alo-Pohu (1999-2001 ) 2-2 Reksonegoro 2-3Alo-Pohu 2-4 (Biyonga Huludupitango ) 2-5 Biyonga - 14 -

2-6 2001 8 24 JICA 2-1 2-6Alo-Pohu (2001 8 24 ) ( ) 30km 2-15 -

2-1 (km 2 ) Alo-Pohu 477 Marisa 64 Meluopo 27 Biyonga 66 228 30 892 1970 2-2 (km 2 ) (ha) Alo-Pohu Molalahu 87 564 1976 Alo 196 1,800 1972 Pohu 134 1,643 1973 Alo-Pohu 475-1982 Alo Biyonga Huludupitango 57 1,150 1974 60% 2-2 60 70 80 (2-1 ) JICA (M/P ) 1994 2.65mMSL 58m 3 /s Tomini - 16 -

( 2-7 ) ( -8 ) -7 2-8 5km - 17 -

JICA ( ) 2001 11 2002 5 - - 2002 5 3-1 3-1 5 8-9 11-12 7 80mm 11 108mm Jalaluddin 80mm 5 108mm 10-20 3-12002 5 2002 5 ( mm) 6 7 8 9 10 11 Jalaluddin 0.0 18.1 41.0 3.7 5.9 22.5 Jalaluddin Bongomeme 3.0 79.5 65.5 9.5 0.5 9.5 Pohu Biyonga 1.5 21.5 30.0 7.0 14.0 2.0 Biyonga Dulamayo 17.0 88.0 26.0 7.0 9.0 2.0 Bolango Boidu 0.0 47.0 22.0 46.0 0.0 49.0 Lomaya Alale 6.5 26.0 30.0 25.5 14.0 108.5 Alale - 18 -

Rainfall Amount (mm) 120 100 80 60 40 20 0 1 3 5 7 9 11 13 15 17 Date 19 21 23 Jalaluddin 25 27 29 31 Rainfall Amount (mm) 120 100 80 60 40 20 0 1 3 5 7 9 11 13 15 17 Date 19 21 23 Bongomeme 25 27 29 31 Rainfall Amount (mm) 120 100 80 60 40 20 0 1 3 5 7 9 11 13 15 17 Date 19 21 23 25 Biyonga 27 29 31 Rainfall Amount (mm) 120 100 80 60 40 20 0 1 3 5 7 9 11 13 15 17 Date 19 21 23 Dulamayo 25 27 29 31 Rainfall Amount (mm) 120 100 80 60 40 20 0 1 3 5 7 9 11 13 15 17 Date 19 21 23 25 Boidu 27 29 31 Rainfall Amount (mm) 120 100 80 60 40 20 0 1 3 5 7 9 11 13 15 17 Date 19 21 23 25 Alale 27 29 31 3-12002 5-19 -

2002 JICA 3-22002 Isimu Alo 196km 2 Biyonga Biyonga 68km 2 Pohu Pohu 134km 2 Dembe 1 Limboto 892km 2 Outlet Tapodu Tapodu 892km 2 Lomaya Bolango 388km 2 Telaga Br. Bolango 462km 2 Alale Bone 1,060km 2 Bone Rivermouth Bone 2,701km 2 3 3-3 68km 2 2-3 10cm 5 4.97m 1m ( ) 3-3 5 8 (1) (2) 2002 5 9 4.57m 4-20 -

3-2 3-4 In( ) dv/dt( ) Out( ) Out=In-dV/dt 3-2 - 21 -

Water Level (m MSL) Water Level Hydrograph in Limboto Basin 12 11 10 9 8 7 6 Sg. Biyonga Limboto Lake Sg. Tapodu 5 4 3 2 0 5 10 15 20 25 30 Date in May 2002 Water Level (m MSL) 28 Water Level Hydrograph in Bone River Alale 27 26 25 24 0 5 10 15 20 25 30 Date in May 2002 Water Level (m MSL) 10 9 8 7 6 5 4 3 2 1 0-1 Water Level Hydrograph in Lower Bolango Basin 0 5 10 15 20 25 30 Date in May 2002 Telaga Br. Sg. Tapodu Tide (Highest) 3-32002 5-22 -

Volume (1000m3) 90,000 Water Balance of Limboto Lake 80,000 70,000 60,000 50,000 40,000 30,000 Lake Storage Inflow(Runoff) Inflow(Rainfall) 20,000 10,000 0 0 5 10 15 20 25 30 Date in May 2002 200 150 100 Discharge (m3/s) Flow Balance of Limboto Lake-Bolango River Bolango_Q Tapodu_Q Telaga_Q 50 0-50 0 5 10 15 20 25 30 Date in May 2002 3-42002 5 3-4 1 1 1 20-30m 3 /s 100m 3 /s ( ) - 23 -

2 3-3 ( ) - 6 3 2 20 / 1 ( ) 7 8 27 20 ( 1 ) 1918 1938 1971 2001 1971 1971 1997 2001 2 2002 5 10 (1994-2003) 1994 1995 1997 2000 2001 2002 2003 7-24 -

1971 1972 5 1 1971 CIDA - 1970 3-5 1971-25 -

3-51971 1971 1990 1997 1 3 1 3-6 - 26 -

3-61997 (1) (2) (3) 2001 70 (4) 2001 2-27 -

JICA 1 A 3-72001 2 (Biawao) 2m 1 ( 3-1 3-2 ) - 28 -

3-1 3-2 ( ) 1970 1997 2001 ( 1 3 ) 1 2-3 3 3-7 3-7 A 3-7 A - 29 -

App-123 1971 1990 1984 ( 3-3 ) 3-3 3-7 2001 1 1-30 -

10 (1994-2003) 1994 1996 1998 2001 2002 2003 6 2002 5 1 1 50~60m 3 /s 2002 3-8 3-82002 5 2002 ( 3-4 ) 5-1 - 31 -

3-42002 2002 5 1971 2002 (Bugis) ( ) 1.5 2 ( 3-5 ) ( 3-6 ) 2002 5 3-8 - 32 -

3-52002 5 3-6 2002 5 ( ) - 33 -

20 750m 3 /s 550m 3 /s JICA M/P 550m 3 /s 200m 3 /s M/P 4.0mMSL ( 2.0mMSL 4.0mMSL) 4.4mMSL ( 0.4m) 4.4mMSL 4-1 2.0mMSL 0( ) 6.1mMSL 5.5mMSL 550m3/s 70m 4.1m( )3.5m ( ) 1.0m 1:2 1,726m 2.0mMSL 4.0mMSL ( 35m 2) - 34 -

1-1 2003 5 100-200 m 3 / 10-20 ( 5.5mMSL) 2.0mMSL 4.0mMSL 4.0mMSL 4.4mMSL - 35 -

550m 3 /s 200m 3 /s JICA F/S 250m 3 /s 4-1 JICA 750m 3 /s 250m 3 /s ( ) 20 250m 3 /s - 36 -

( ) 20 (1) 70m 2.0mMSL 1:2 (2) 5.2mMSL(F/S ) 4.0mMSL(6.1mMSL ) 1/1,250(=(5.2-4.0)m/1,500m) (3) 5.2mMSL 3.2m 244m 2 2.89m 0.030 (4) 1.91m/s 470m 3 /s (a) 4.4mMSL (b) (Area Reduction Factor ) - 37 -

(c) 750m 3 /s 6.1mMSL (4.4+ )mmsl 550m 3 /s (d) 20 2002 5 2002 5 4.57mMSL 4.97mMSL 200m 3 /s 550m 3 /s - - - ( ) - - 1.5-1.7m 550m 3 /s - 38 -

- 39 -

2002 3 200m 3 /s 750m 3 /s 550m 3 /s 2001 2002 2000 10 5-1 5-2 - 40 -

5-1 5-2 2-3 - 41 -

JICA JICA 1/20 120m 3 /s ( ) 60m 3 /s 1/20 120m 3 /s 2002 5 ( 5-3 5-4 ) - 42 -

5-3 5-4 ( 5-5 5-6 ) 5-5 5-6 ( ) ( ) - 43 -

(1993 ) 5 5 5 JICA (US-SCS) (SCS ) JICA 5 20-44 -

- ( ) 10 60m 3 /s 5 80m 3 /s 3 5-45 -

5-1 ( 388km 2 ) ( 58km 2 ) 446km 2 (5-2 ) ( 5-7 ) 6.9km 1/410 ( )80m ( )400m - 46 -

5-7 Discharge (m3/s) 350 300 250 200 150 100 50 0 Flood Storage Effects of Bolango Upper Channel 0 2 4 6 8 10 12 Time (hr) 5-2 (5 ) Qin Qout 5-1 (5 ) 321 m 3 /s 210 m 3 /s 111 m 3 /s 35% - 47 -

( ) SCS Tc CN CN CN CN=62 (446km 2 ) Discharge (m3/s) 250 200 150 Comparison of Model Parameter CN and Flood Routine Results Qout CN:62 100 50 0 0 2 4 6 8 10 12 Time (hr) Note: 100-50m 3 /s - 48 -

m 3 /s (km 2 ) Discharge (m3/s) 300 250 200 Design Flood Hydrograph in the Bolango River Middle Bolango Lower Bolango 150 100 50 0 0 2 4 6 8 10 12 14 16 18 20 22 24 Time (hr) 5 JICA 5 5-3 5-3 (5 ) ( ) -270 m 3 /s 250 m 3 /s - 270 m 3 /s 150 m 3 /s ( 5-8 ) - 49 -

5-8 ( ) 5-5 5 Discharge (m3/s) 140 120 100 80 60 5-Year Flood Hydrograph in Tamalate River Basin Entire Tamalate Diversion Point Lower Tamalate 40 20 0 0 2 4 6 8 10 12 14 Time (hour) 5-6 - 50 -

5 (80m 3 /s) (60m 3 /s) ( ) 5 80m 3 /s 5 5-4 (5 ) 80 m 3 /s 80 m 3 /s 80 m 3 /s 129 m 3 /s 58 m 3 /s 60 m 3 /s ( ) (1) (2) ( - ) 270m 3 /s ( - ) 270m 3 /s - 51 -

80m 3 /s ( - ) 60m 3 /s 5-5 ( ) ( ) ( ) 5 Q 270m 3 /s (H.W.L)JICA F/S 5 H.W.L (HF) 0.8m M/P 20 5 20 H.W.L - 52 -

5 H.W.L+1.8mMSL 2002 5 1020 5 5 JICA M/P F/S 20 EL+2.62m JICA M/P H.W.L 0.8m JICA 2 1/1,0001/1,500 5-7 - 53 -

(2) 5-7 8 6 4 Tenda Bridge Non-Uniform Calculation Results of Lower Bolango River Stretch-I Stretch-II Stretch-III Potanga Bridge Elevation (EL+ m) 2 0-2 Tenilo Bridge Left Bank Right Bank Floodplain Elevation Original Section (100m3/s) Original Section (200m3/s) Original Section (270m3/s) -4 0 1,000 2,000 3,000 4,000 5,000 6,000 Distance from Confluence with Bone (m) Note: Stretch Description (m/s) I 1.0 2.5 II 2.0 III 1.5 * 200m 3 /s Stretch-II II R II L =97 103 5-7 100~200m 3 /s 200m 3 /s Stretch-II 200m 3 /s 2001 Stretch-III Stretch-II Stretch-I JICA Stretch-I Stretch-III - 54 -

270m 3 /s 5 JICA 200m 3 /s 5-6 Stretch I IIR ( ) Sort-cut IIL HWL ( ) III *Note Supporting Report Volume-V 5-7 I (IIR) (IIL) (III) Volume-VIII Drawings - 55 -

5-8 I (IIR) (IIL) (III) 6 5-8 1:1.5 Annex-A 5-8 5-8 270m 3 /s 50cm - 56 -

Non-Uniform Calculation Results of Lower Bolango River 8 Stretch-I Stretch-II Stretch-III Elevation(DL+ m) 6 4 2 Tenda Bridge Tenilo Bridge Potanga Bridge 0-2 -4 0 1,000 2,000 3,000 4,000 5,000 6,000 Distance from Confluence with Bone (m) Left Bank Right Bank Original Section (200m3/s) Drawing in F/S (200m3/s) DHWL in Report (200m3/s) Original Section (270m3/s) Drawing in F/S (300m3/s) DRB in Report Lowest Riverbed in Drawing DRB in Drawing Report Note: DRB; Design RiverbedReport; Final Report Vol-VDrawing; Vol-VIII 5-8 JICA 2002 5-9 m3 260 m3 350 m3 6,200 ton 115,000 m3 3,500 m3 1,000 m2 62,000 % 10 % 5 % 5-57 -

5-10 Stretch-I Stretch-IIR Stretch-IIL Stretch-III Tenda 1.05 14.6 2.61 1.3 1.63 21.19 6.52 122.48 18.39 8.91 9.3 165.6 3.46 16.5 6.45 3.46 6.19 36.06 - - - - - - 0.50 6.95 1.24 0.62 0.78 10.09 11.53 160.53 28.69 14.29 17.90 232.94 2 3,000 Stretch-I Stretch-III Longitudinal Profile of Lower Bone and Bolango River 8 Bone River Stretch-I Stretch-II Stretch-III Water Level (DL+ m) 6 4 2 0 Tenda Bridge Tenilo Bridge Potanga Bridge Design Riverbed by JICA FS (2001) Left Bank -2 Right Bank -4 Design Riverbed by Follow-up (2004) ( Project HWL ) -6 0 1,000 2,000 3,000 4,000 5,000 6,000 7,000 8,000 Distance from Bone Rivermouth (m) Note: EL-2.829(m) EL+1.600(m) I = 1/1,200 5-9 - 58 -

Annex-B 5-11 80cm 30~35m 24~30m 24.3m Stretch-I (PC ) (PC B/D Stretch-III 1:2.0 1:1.0 B/D JICA 150m 3 /s 270m 3 /s 100m - 59 -

Annex-C Q=270m 3 /s Water Level (DL+ m) 8 6 4 2 0 Non-Uniform Calculation Results of Lower Bone and Bolango River Bone River Stretch-I Stretch-II Stretch-III Tenda Bridge Potanga Bridge Tenilo Bridge Design Riverbed by JICA FS (2001) -2-4 -6 Tentative Design Riverbed by Follow-up (2004) Left Bank Right Bank DHWL in Report (200m3/s) Original Section (270m3/s) ( Project HWL ) Drawing in F/S (270m3/s) New Result (270m3/s) 0 1,000 2,000 3,000 4,000 5,000 6,000 7,000 8,000 Distance from Confluence with Bone (m) 5-10 3-60 -

Annex-C Annex-D Stretch-II L stretch-iii Annex-C Annex-D Annex-EAnnex-F 3 3-3 2001 270m 3 /s 5-11 5-12 *1 4 Note:*1: Annex-E - 61 -

5-11 2001 5-13 (*4) B x H = 3.0 x 1.5m x 2 B x H = 3.0 x 1.5m (*3) Q=1.0~2.0m 3 /s (*1) Q=3.0~5.0m 3 /s (*2) Note : (*4) 2 *700mm *1 : *2 : *3 : Aneex-I Preliminary Design Drainage Pumping Station *4 : Annex-V Others (App-123) 5-12 - 62 -

5-14 10 8,000 5-15 10.8 5km 3,000 2 5,000 2 4,000 5% 10% 2 1 10.8 2.2 5-14 F/S 5-16 F/S Stretch-I - 2,000 30,000 Stretch-II R 10,000-36,000 30,000 Stretch-II L 103,000-243,000 200,000 Tenda Short-cut 35,000 35,000 Stretch-III 20,000-50,000 30,000 ( : Rp/m 2 ) F/S Rp.18,000,000/ - 63 -

5-17 Stretch-I 30,000 2,790 83,700,000 18,000,000 9 162,000,000 Stretch-II L 200,000 4,990 998,000,000 18,000,000 14 252,000,000 Stretch-II R 30,000 30,150 904,500,000 18,000,000 16 288,000,000 30,000-11,260-337,800,000 Tenda Short-cut 35,000 3550 124,250,000 18,000,000 13 234,000,000 Stretch-III 30,000 51,140 1,534,200,000 18,000,000 16 288,000,000 30,000-5,130-153,900,000 0 Total 76,230 3,152,950,000 68 1,224,000,000 Grand Total 4,376,950,000 ( : Rp) 50 m 3 5 3 4 4 5-18 250 3 500,000 3 = 222 ( m / day) ( 3years 250days 3parties) 1 5 10 D/S - 64 -

F/C E/C F/C 20% F/C E/C F/S 5-19 Conversion Factor No. Item Factor No. Item Factor 1 Excavation 0.96 10 Concrete Pile 0.94 2 Embankment 0.96 11 Steel Sheet Pile 0.94 3 Sodding 0.70 12 Bridge 0.94 4 Wet Rubble Masonry 0.88 13 Pumping Station 0.95 5 Riprap 0.89 14 Others 0.91 6 Gravel Bedding 0.95 15 O & M 0.91 7 Gabion Mattress 0.89 16 Compensation 0.30 8 Concrete 0.93 17 Engineering Serveice 1.00 9 Reinforcement bar 0.96 4 D/S F/C E/C 5-20 F/C E/C 5-21 5-20 D/S Finacial Item 1st 2nd Year 3rd 4th 5th--- Total Construction 16,999 25,498 25,498 16,999 84,993 Compensation 4,377 4,377 Administaration 960 1,440 1,440 960 4,800 Engineering Service 1,165 1,747 1,747 1,165 5,824 O & M 212 340 425 977 Total 23,500 28,685 28,898 19,464 425 100,972 Economic Item 1st 2nd Year 3rd 4th 5th--- Total Construction 15,772 23,657 23,657 15,772 78,858 Compensation 1,313 1,313 Administaration 864 1,296 1,296 864 4,320 Engineering Service 1,165 1,747 1,747 1,165 5,824 O & M 197 315 394 907 Total 19,114 26,701 26,898 18,116 394 91,223 Note : *1 ; Price & physical contingencies are included in Construction Cost. *2 ; Unit: million Rupiah *3 ; O&M is 0.5% of Construction Cost. That shall be paid continuously. *4 ; Administration is divided into annual fiscal year from F/S. *5 ; Compensation will be paid at initial year. (million Rp) 45 70 7-65 -

5-22 EIA I (IIR) (IIL) (III) 2001 5-9 - 66 -

5-10 5-10 2 50cm 5-12 O&M - 67 -

O&M W/S W/S - 68 -

5-23 F/S (S=1:1,000) +10m 7km50m 35ha F/S (S=1:1,000) +10m 3km50m 15ha F/S 5 9 F/S 100m 70 100m 100m 50 100m 100m 30 50m 10 100m S=1:1,000 S=1:200 14 S=1:500 4 3 30m 5 5 30m 7 2 30m JICA - 69 -

5 5 Q 80m 3 /s 60m 3 /s 5-13 80m 3 /s 5 (80m 3 /s) 5-13 HF 0.6m HWL 5-70 -

5-24 Q = 120 m 3 /s I = 1/1,000 EL+6.97m EL+9.70m EL+4.30 EL+6.50 5-14 Annex-G 29 5-71 -

5-25 Follow-up Q = 80 m 3 /s I = 1/1,000 EL+7.00m EL+9.82m EL+3.80 EL+6.62 5-15 Follow-up 29 9 Annex-G (App-56) F/S Annex-G (APP-56) Annex-T (APP-114) ( ) - 72 -

5-26 Diversion Weir (B=1.5~7.0m) Aqueduct Bridge ; 3 *Note; Aqueduct Bridge Siphon 5-27 5-27 2 4,000 5-27 F/S 5-28 F/S 7,000-35,000 20,000 ( : Rp/m 2 ) F/S Rp.18,000,000/ 6.6 9 1,488-73 -

5-29 (Rp/m 2 ) (m 2 ) (Rp) (Rp/house) (Structures) (Rp) Tamalate 20,000 66300 1326000000 18,000,000 9 162000000 Total 66,300 1,326,000,000 9 162,000,000 Grand Total 1,488,000,000 20 m 3 7 2~3 5-30 4 5 6 7 8 9 10 11 12 1 2 3 4 5 6 7 8 9 10 11 12 1 2 3 4 5 6 7 8 9 10 11 12 1 2 3 No.1 No.2 No.3 No.4 No.5 Farm Br.-No.1 Farm Br.-No.2 Aquaduct Bridge-1 Aquaduct Bridge-2 Aquaduct Bridge-3 Diversion Weir D/S F/C E/C F/C F/C E/C 3 D/S F/C E/C 5-31 3 3 F/C E/C 5-32 - 74 -

5-31 D/S Finacial Year Item 1st 2nd 3rd 4th 5th--- Total Construction 5,653 7,538 5,653 18,845 Compensation 1,488 1,488 Administaration 270 360 270 900 Engineering Service 387 517 387 1,291 O & M 66 94 94 254 Total 7,799 8,414 6,377 94 94 22,778 Economic Year Item 1st 2nd 3rd 4th 5th--- Total Construction 5,291 7,055 5,291 17,637 Compensation 446 446 Administaration 243 324 243 810 Engineering Service 387 517 387 1,291 O & M 62 88 88 238 Total 6,368 7,896 5,983 88 88 20,423 Note : *1 ; 5-5-1 5-5-3 EIA 2 2km - 5~6ha - 75 -