LEGEND N Irrigation Scheme Location Map of Irrigation Schemes

Location of District LEGEND NORTH SUMATRA N PROVINCE Capital Town of District MEDAN Sub-District Town 28. Penambean/Panet Tongah BK ACEH District Boundary 47. Bah Korah II Lake Toba 32. Naga Sompah Sub-District Boundary

DELI SERDANG 30. Karasaan Provincial Road DISTRICT

Ke Tebing Tinggi River

RIAU Irrigation Scheme

Ke Tebing Tinggi Technical Irrigation Negeri Dolok Perdagangan Ke Tebing Tinggi WEST SUMATRA Semi-Technical Irrigation

Non-Technical Irrigation KARO Sinar Raya

Ke Bangun Purba Bangun Ke Kampung Tengah DISTRICT Irrigation Scheme Saran Panlang Sinaksak ASAHAN DISTRICT SIMALUNGUN Name of Scheme Registered Subject Pematang Area (Ha) Area (Ha) DISTRICT Siantar Pematang Dolok Sigalang Raya Pematang 26. Pentara 1,034 ST 298 Tanah Jawa 49. Rambung Merah 27. Simanten Pane Dame 1,000 NT 1,000 28. Penambean/Panet Tongah BK 1,723 T 1,722 Tiga Runggu PEMATANG 29. Raja Hombang/T. Manganraja 2,045 T 2,023 Sipintu Angin SIANTAR 30. Kerasaan 5,000 T 4,144 29. Raja Hombang/ T. Manganraja 31. Javacolonisasi/Purbogondo 1,030 T 1,015 32. Naga Sompah 1,360 T 1,015 47. Bah Korah II 1,995 T 1,723 49. Rambung Mera 1,104 T 944 F Lake Toba C T : Technical Irrigation E ST : Semi-Technical Irrigation D G NT : Non-Technical Irrigation B I U H Location of Sub-District 26. Pentara A K L M A Kec. Silima Kuta K Kec. Siantar B Kec. Dolok Silau Kec. Huta bayu Raja Ke Porsea J O M 27. Simantin Pane Dame C Kec. Silau Kahean N Kec. Dolok Pardamean N D Kec. Raya Kahean O Kec. Panei E Kec. Dolokbatunanggar P Kec. Sidamanik P Q R S F Kec. Bandar Q Kec. Joring Hataran 31. J. Kolonisasi/Purbolonggo G Kec. Pematang Bandar R Kec. Dolok Panribuan TOBA SAMOSIR H Kec. Bosar maligas S Kec. Tanah Jawa I Kec. Ujung Padang T Kec. Girsang Sipangan DISTRICT T J Kec. Purb Bolon K Kec. Raya U Kec. Tapian Dolok

The Study on Comprehensive Recovery Program 0 5 10 15 20 Km of Irrigation Agriculture Location Map of Irrigation Schemes SCALE in Simalungun District Japan International Cooperation Agency North Sumatera Province 26. Pentara Scheme (1/4) I. PROJECT FUNDAMENTALS I.1 General (1) Code Number : 120112000 (7) Number of Farmers : Not available (2) Name of Irrigation Scheme : Pentara (8) Water Resource River : Bah Baguman (3) District (Kabupaten) : Simalungun (9) Catchment Area (km2) : 120 (4) Sub-district (Kecamatan) : Raya (10) Original / Last Rehabilittion Year : 1991 (5) Registered Area (ha) : 1,034 (6) Technical Level : Semi Technical

I.2 Availability of Reports/Documents & References (A : Available, B : Available but partially, C : Not available/ No plan) a. Design Reports of Existing System(Full set) b. Irrigation diagram c. As-built drawings d. Structure lists & diagram CCAA e. Rehabilitation plan & its references f. Crops and yield data g. Cropping Calender h. WUAs data C

II. SUBJECT AREA FOR REHABILITATION PLAN II.1 Present and Planned Land Use Category Present (ha) Plan (ha) Increment (ha) a. Irrigated paddy field 40 221 181 b. Rainfed paddy field 0 0 0 c. Upland field 0 0 0 d. Uncultivated land 258 0 -258 e. Non-irrigable land 0 77 77 Total 298 298 0

(2) Problems and Constraints A. Irrigation & Agriculture Performances - Irrigated area limited to 20ha & existing of uncultivated area 258ha - Double cropping of paddy introduced, but area extremely limited; existing of uncultivated land to be developed B. Primary Constraint Identified through the Inventory Survey by the JICA Study - Irrigation & Drainage: Water shortage at on-farm level in dry season - Palawija Marketing: Low marketing prices - Agronomic Issues: Damage caused by rat - Farmers Organizations: Managerial capacity of KTs are limited - Paddy Marketing: Unstable marketing prices - Extension Services: Extension activities of PPLs are limited

III.2 Development Plan (1) Development Approaches - Expansion of irrigated area through rehabilitation & upgrading - Introduction of double cropping of paddy; productivity increase of paddy throughintensification; introduction of palawija in dry season II - Strengthening of extension activities tailored to area specific needs; empowerment of farmer groups (KTs) to establish agri-business oriented KTs (2) Planned Irrigation Performances and Crop Production Cropped Area in Irrigated Paddy Field Annual Irrigated Paddy Yield (GKG Crop Production (ton) Season Paddy (ha) Palawija Others (ha) Total (ha) Intensity ton/ha) Paddy Palawija Others Season I (wet) 221 221 100% 5.0 1,105 Season II (dry I) 0 Season III (dry II) 111 22 133 60% 5.0 555 110 Total/Annual 332 22 0 354 160% 5.0 1,660 110 0 Annual Increment 272 2 0 274 -40% 1.0 1,420 60 0

IV. WUAs IV.1 Existing Condition (1) Number a. Target; 1 b. Established; 1 c. Not yet; 0 Registered 0 Performance a. Developed; 0 b. Under developing; 0 c. Not yet; 1 Not yet registered 1

(2) Problems and Constraints Operation Maintenance Management

(3) Causes of Problems and Constraints (No activity)

IV.2 Development Plan (1) Proposed Countermeasures - Activation of WUA O&M works.

(2) Development Plan - WUA O&M training.

3 - 101 North Sumatera Province 26. Pentara Scheme (2/4) V. IRRIGATION FACILITY V.1 Existing Condition (1) Overall Irrigation System: D (A: Functioning well, B: Partially deteriorated, C: Not functioning well, D: Serious condition for operation) Water Resources Facility : C Main Canal System : D Secondary Canal System : D On-farm : D (2) Water Resources Facilty a. Type of facility : Headworks e. Scouring sluice gate : 1 nos. i. Condition : C b. Type of weir : Fixed weir f. Intake gate : 1 nos. (A: Functioning well, B: Partially deteriorated, C: Not c. Length of weir : 15 m g. Settling basin : provided functioning well, D: Serious condition for operation) d. Design intake discharge : 1.5 m3/s h. Inspection bridge : not provided (no info.: no information)

(3) Irrigation Canal and Inspection Road Canal Lined (m) Unlined Total (m) Structure (nos) Inspection road (m) Condition (A: Functioning well, Main 0 10,769 10,769 8 3,231 D B: Partially deteriorated, Secondary 0 7,200 7,200 17 0 D C: Not functioning well, D: Serious condition for (4) Major Problems and Constrains operation) - Water Resources Facility Insufficient diversion water due to sedimentation in front of intake Inflow of bed loads into canal and decrease canal flow capacity

- Irrigation Canal and Related Structure Sedimentation or obstruction of water flow General O&M problems Difficulty on maintenance of earth canal Lower function of regulating structure on canal Difficulty on O&M (5) Causes of Major Problems and Constraints - Water Resources Facility Sedimentation in front of intake No proper gate operation of intake during flood

- Irrigation Canal and Related Structure Improper management of canal (sediments, water plant) No kilo and hectometer post, no structure plate or mark on structures and no identification for repair/maintenance Fallen down and collapse of side slope, water plants or weed at inside of canal Deterioration of regulating structure on canal, especially gate and metal works No provision or damage of inspection road, difficulty on passing of inspection road due to damage, broken V.2 Development Plan (1) Proposed Countermeasures for Major Problems - Water Resources Facility Dredging or flushing of sediment, proper gate operation of headworks and intake Proper gate operation of intake during flood

- Irrigation Canal and Related Structure Removal of sediment soil and foreign materials from canal, grass cutting Provision of kilo, hect-m posts, marking to each structure with structure name Provision of concrete lining Replacement and reconstruction of regulating structure on canal Provision or repair of inspection road with all weather type/pavement (2) Water Resources Facility Dam/Headworks body: minor rehabilitation Intake, civil: large rehabilitation Intake, mechanical : replacement or new Settling basin : no rehabilitation (3) Irrigation Canal and Related Structure Works No rehabilitation Rehabilitation New construction Total Main 0 3,123 312 3,435 Canal (m) Secondary 0 2,088 418 2,506 Structure Main 0 2 0 3 (nos) Secondary 0 5 2 7

(4) On-farm Development (Unit: ha) a. Potential Irrigated paddy field 40 d. Non-potential paddy field 0 b. Potential non-irrigated paddy field 0 e. Non-potenttial non-paddy field 0 c. Potential non-paddy field 258Total 298

(5) Rehabilitation Cost (Direct Cost) (Unit: Million Rp.) On-Farm Project Cost W.R.F Irrigation Drainage Total Develop. Facility per ha 1,139 7,338 734 1,404 1,260 11,875 39.8 (W.R.F: Water Resources Facility, Develop.: Development)

VI. PROJECT EVALUATION VI.1 EIRR 7.0%

VI.2 Prioritization Scoring Evaluation Index Full Score Score Evaluation Index Full Score Score Total Score Irrigation Utilization of Irrigation Potential 10.0 - Agricultural Productivity 20.0 - - System Urgency 25.0 - Social Problem 15.0 - Sustainability 15.0 - Economic Impact 15.0 -

VI.3 Priority Group Group VI: Development by other category VI.4 Priority Ranking in the Province - (Subject area is less than 1,000ha)

3 - 102 North Sumatera Province 26. Pentara Scheme (3/4)

Scheme Pentara District Simalungun

Technical Level Semi-technical Registered Area 1,034 ha Year of Construction 1991 Category Irrigation (Headworks)

Structure Fixed Weir

Condition ABC D Problems No provision of retaining wall and sedimentation in front of intake.

Category Irrigation (Headworks)

Structure Intake Gate

Condition ABC D Problems Leakage from gate leaf; insufficient strength against design load due to rust, decay of steel material; problem on management due to lack of periodically maintenance

Category Irrigation (Main Canal)

Structure Earth Canal

Condition ABC D Problems Sedimentation; collapse on canal; leakage from canal; difficulty on maintenance of earth canal; and no inspection road.

Condition: A: Functioning well, B: Partially deteriorated, C: Not functioning well, D: Serious condition for operation 3 - 103 North Sumatera Province 26. Pentara Scheme (4/4)

Scheme Pentara District Simalungun

Technical LevelSemi-technical Registered Area 1,034 ha Year of Construction 1991 Category Irrigation (Secondary Canal)

Structure Masonry Lined Canal

Condition ABC D Problems Totally damaged

Category

Structure

Condition ABC D Problems

Category

Structure

Condition ABC D Problems

Condition: A: Functioning well, B: Partially deteriorated, C: Not functioning well, D: Serious condition for operation 3 - 104 North Sumatera Province 27. Simantin Pane Dame Scheme (1/4) I. PROJECT FUNDAMENTALS I.1 General (1) Code Number : 120125000 (7) Number of Farmers : Not available (2) Name of Irrigation Scheme : Simantin Pane Dame (8) Water Resource River : Bah Issir (3) District (Kabupaten) : Simalungun (9) Catchment Area (km2) : 58 (4) Sub-district (Kecamatan) : Panei (10) Original / Last Rehabilittion Year : 1989 (5) Registered Area (ha) : 1,000 (6) Technical Level : Non Technical

I.2 Availability of Reports/Documents & References (A : Available, B : Available but partially, C : Not available/ No plan) a. Design Reports of Existing System(Full set) b. Irrigation diagram c. As-built drawings d. Structure lists & diagram CCCC e. Rehabilitation plan & its references f. Crops and yield data g. Cropping Calender h. WUAs data C

II. SUBJECT AREA FOR REHABILITATION PLAN II.1 Present and Planned Land Use Category Present (ha) Plan (ha) Increment (ha) a. Irrigated paddy field 0 700 700 b. Rainfed paddy field 0 0 0 c. Upland field 1,000 0 -1,000 d. Uncultivated land 0 0 0 e. Non-irrigable land 0 300 300 Total 1,000 1,000 0

III. AGRICULTURE III.1 Present/Before Project Condition (1) Irrigation Performance and Crop Production Cropped Area in Irrigated Paddy FieldAnnual Irrigated Paddy Yield (GKG Crop Production (ton) /1 Season Paddy (ha) Palawija Others (ha) Total (ha) Intensity ton/ha) Paddy Palawija Others Season I (wet) 00% Season II (dry I) 0 Season III (dry II) 0 0% 1,003 Total/Annual 00000% 01,003 0 1/: Palawija in upland field (2) Problems and Constraints A. Irrigation & Agriculture Performances - No irrigated area & paddy field developed - No paddy cultivation practiced; palawija cultivation in upland field B. Primary Constraint Identified through the Inventory Survey by the JICA Study - Irrigation & Drainage: Poor O&M at main & 2ry canals - Palawija Marketing: - - Agronomic Issues: Damage caused by rat - Farmers Organizations: Most members are not active - Paddy Marketing: Limited bargaining power of farmers - Extension Services: Extension activities of PPLs are limited

III.2 Development Plan (1) Development Approaches - Development of irrigated area through rehabilitation & upgrading - Introduction of double cropping of paddy; introduction of palawija in dry season II - Strengthening of extension activities tailored to area specific needs; empowerment of farmer groups (KTs) to establish agri-business oriented KTs (2) Planned Irrigation Performances and Crop Production Cropped Area in Irrigated Paddy Field Annual Irrigated Paddy Yield (GKG Crop Production (ton) Season Paddy (ha) Palawija Others (ha) Total (ha) Intensity ton/ha) Paddy Palawija Others Season I (wet) 700 700 100% 4.5 3,150 Season II (dry I) 0 Season III (dry II) 350 70 420 60% 4.5 1,575 350 Total/Annual 1,050 70 0 1,120 160% 4.5 4,725 350 0 Annual Increment 1,050 70 0 1,120 160% 4.5 4,725 (653) 0

IV. WUAs IV.1 Existing Condition (1) Number a. Target; 0 b. Established; 0 c. Not yet; 0 Registered 0 Performance a. Developed; 0 b. Under developing; 0 c. Not yet; 0 Not yet registered 0

(2) Problems and Constraints Operation Maintenance Management

(3) Causes of Problems and Constraints - Crop conversion to non-paddy crops by farmers

IV.2 Development Plan (1) Proposed Countermeasures - Promotion of paddy crop cultivation advantage to farmers.

(2) Development Plan - By agricultural development plan.

3 - 105 North Sumatera Province 27. Simantin Pane Dame Scheme (2/4) V. IRRIGATION FACILITY V.1 Existing Condition (1) Overall Irrigation System: D (A: Functioning well, B: Partially deteriorated, C: Not functioning well, D: Serious condition for operation) Water Resources Facility : D Main Canal System : D Secondary Canal System : D On-farm : D (2) Water Resources Facilty a. Type of facility : Free Intake e. Scouring sluice gate : - i. Condition : D b. Type of weir : - f. Intake gate : 1 nos. (A: Functioning well, B: Partially deteriorated, C: Not c. Length of weir : - g. Settling basin : not provided functioning well, D: Serious condition for operation) d. Design intake discharge : 1.5 m3/s h. Inspection bridge : - (no info.: no information)

(3) Irrigation Canal and Inspection Road Canal Lined (m) Unlined Total (m) Structure (nos) Inspection road (m) Condition (A: Functioning well, Main 0 2,000 2,000 3 2,000 D B: Partially deteriorated, Secondary 0 0 0 0 0 D C: Not functioning well, D: Serious condition for (4) Major Problems and Constrains operation) - Water Resources Facility Unstable diversion water due to river water level fluctuation Insufficient diversion water due to sedimentation in front of intake Inflow of bed loads into canal and decrease canal flow capacity - Irrigation Canal and Related Structure Sedimentation or obstruction of water flow General O&M problems Difficulty on maintenance of earth canal Lower function of regulating structure on canal Difficulty on O&M (5) Causes of Major Problems and Constraints - Water Resources Facility No provision of diversion weir Sedimentation in front of intake No provision of settling basin, no proper gate operation of intake during flood - Irrigation Canal and Related Structure No provision of settling basin(sediments), improper management of canal (sediments, water plant) No kilo and hectometer post, no structure plate or mark on structures and no identification for repair/maintenance Fallen down and collapse of side slope, water plants or weed at inside of canal Deterioration of regulating structure on canal, especially gate and metal works No provision or damage of inspection road, difficulty on passing of inspection road due to damage, broken V.2 Development Plan (1) Proposed Countermeasures for Major Problems - Water Resources Facility Provision of new diversion weir Dredging or flushing of sediment, proper gate operation of headworks and intake Provision of settling basin, proper gate operation of intake during flood - Irrigation Canal and Related Structure Removal of sediment soil and foreign materials from canal, grass cutting Provision of kilo, hect-m posts, marking to each structure with structure name Provision of concrete lining Replacement and reconstruction of regulating structure on canal Provision or repair of inspection road with all weather type/pavement (2) Water Resources Facility Dam/Headworks body: replacement or new Intake, civil: minor rehabilitation Intake, mechanical : large rehabilitation Settling basin : replacement or new (3) Irrigation Canal and Related Structure WorksNo rehabilitation Rehabilitation New construction Total Main 0 2,000 400 2,400 Canal (m) Secondary 0 0 0 0 Structure Main 0 3 1 4 (nos) Secondary 0 0 0 0

(4) On-farm Development (Unit: ha) a. Potential Irrigated paddy field 0 d. Non-potential paddy field 0 b. Potential non-irrigated paddy field 0 e. Non-potenttial non-paddy field 0 c. Potential non-paddy field 1,000Total 1,000

(5) Rehabilitation Cost (Direct Cost) (Unit: Million Rp.) On-Farm Project Cost W.R.FIrrigation Drainage Total Develop. Facility per ha 4,881 2,854 285 5,125 1,260 14,406 14.4 (W.R.F: Water Resources Facility, Develop.: Development)

VI. PROJECT EVALUATION VI.1 EIRR 13.1%

VI.3 Priority Group Group V: Acceralation of WUAs establishment VI.4 Priority Ranking in the Province -

3 - 106 North Sumatera Province 27. Simantin Pane Dame Scheme (3/4)

Scheme Simantin Pane Dame District Simalungun

Technical Level Non-technical Registered Area 1,000 ha Year of Construction 1989 Category Irrigation (Free Intake)

Structure Intake Gate

Condition ABC D Problems Leakage from gate leaf; insufficient strength against design load due to rust, decay of steel material; problem on management due to lack of periodically maintenance

Category Irrigation (Main Canal)

Structure Division structure

Condition ABC D Problems Lower function of division structure; physical operation problem on division structure; sedimentation in canal.

Category Irrigation (Main Canal)

Structure Masonry Lined Canal

Condition ABC D Problems Sedimentation; leakage from lined canal ; crack or damage on lined canal; defflection of lining toward inside of canal; and no function of inspection road.

Condition: A: Functioning well, B: Partially deteriorated, C: Not functioning well, D: Serious condition for operation 3 - 107 North Sumatera Province 27. Simantin Pane Dame Scheme (4/4)

Scheme Simantin Pane Dame District Simalungun

Technical LevelNon-technical Registered Area 1,000 ha Year of Construction 1989 Category

Structure

Condition ABC D Problems

Category

Structure

Condition ABC D Problems

Category

Structure

Condition ABC D Problems

Condition: A: Functioning well, B: Partially deteriorated, C: Not functioning well, D: Serious condition for operation 3 - 108 North Sumatera Province 28. Panambean/Panet Tongah BK Scheme (1/4) I. PROJECT FUNDAMENTALS I.1 General (1) Code Number : 120129000 (7) Number of Farmers : Not available (2) Name of Irrigation Scheme : Panambean/Panet Tongah BK (8) Water Resource River : Bah Binoman (3) District (Kabupaten) : Simalungun (9) Catchment Area (km2) : 130.5 (4) Sub-district (Kecamatan) : Panei (10) Original / Last Rehabilittion Year : 1991 (5) Registered Area (ha) : 1,723 (6) Technical Level : Technical

I.2 Availability of Reports/Documents & References (A : Available, B : Available but partially, C : Not available/ No plan) a. Design Reports of Existing System(Full set) b. Irrigation diagram c. As-built drawings d. Structure lists & diagram B AAB e. Rehabilitation plan & its references f. Crops and yield data g. Cropping Calender h. WUAs data C

II. SUBJECT AREA FOR REHABILITATION PLAN II.1 Present and Planned Land Use Category Present (ha) Plan (ha) Increment (ha) a. Irrigated paddy field 1,722 1,722 0 b. Rainfed paddy field 0 0 0 c. Upland field 0 0 0 d. Uncultivated land 0 0 0 e. Non-irrigable land 0 0 0 Total 1,722 1,722 0

(2) Problems and Constraints A. Irrigation & Agriculture Performances - High irrigation performances attained, however water shortage in dry season reported - Double cropping of paddy in almost all the irrigated area practiced; however paddy yield levels still moderate & palawija cultivation limited B. Primary Constraint Identified through the Inventory Survey by the JICA Study - Irrigation & Drainage: - - Palawija Marketing: Unstable marketing prices - Agronomic Issues: Damage caused by rat - Farmers Organizations: Managerial capacity of KTs are limited - Paddy Marketing: Unstable marketing prices - Extension Services: Extension activities of PPLs are limited

III.2 Development Plan (1) Development Approaches - Ensuring year round irrigation water supply at on-farm level through rehabilitation - Introduction of double cropping of paddy in the entire scheme; productivity increase of paddy through further intensification; introduction of palawija - Strengthening of extension activities tailored to area specific needs; empowerment of farmer groups (KTs) to establish agri-business oriented KTs (2) Planned Irrigation Performances and Crop Production Cropped Area in Irrigated Paddy Field Annual Irrigated Paddy Yield Crop Production (ton) Season Paddy (ha) Palawija Others (ha) Total (ha) Intensity (GKG ton/ha) Paddy Palawija Others Season I (wet) 1,722 1,722 100% 5.5 9,471 Season II (dry I) 344 344 Season III (dry II) 1,722 1,722 100% 5.5 9,471 1,720 Total/Annual 3,444 344 0 3,788 220% 5.5 18,942 1,720 0 Annual Increment 89 334 0 423 25% 1.0 3,845 1,695 0

IV. WUAs IV.1 Existing Condition (1) Number a. Target; 16 b. Established; 16 c. Not yet; 0 Registered 2 Performance a. Developed; 2 b. Under developing; 0 c. Not yet; 14 Not yet registered 14

(2) Problems and Constraints Operation Maintenance Management

(3) Causes of Problems and Constraints (No activity)

IV.2 Development Plan (1) Proposed Countermeasures - Activation of WUA O&M works.

(2) Development Plan - WUA O&M training.

3 - 109 North Sumatera Province 28. Panambean/Panet Tongah BK Scheme (2/4) V. IRRIGATION FACILITY V.1 Existing Condition (1) Overall Irrigation System: C (A: Functioning well, B: Partially deteriorated, C: Not functioning well, D: Serious condition for operation) Water Resources Facility : B Main Canal System : C Secondary Canal System : D On-farm : C (2) Water Resources Facilty a. Type of facility : Headworks e. Scouring sluice gate : 2 nos. i. Condition : B b. Type of weir : Fixed weir f. Intake gate : 4 nos. (A: Functioning well, B: Partially deteriorated, C: Not c. Length of weir : 50 m g. Settling basin : provided functioning well, D: Serious condition for operation) d. Design intake discharge : 3.0 m3/s h. Inspection bridge : not provided (no info.: no information)

(3) Irrigation Canal and Inspection Road Canal Lined (m) Unlined Total (m) Structure (nos) Inspection road (m) Condition (A: Functioning well, Main 2,214 4,136 6,350 52 4,445 C B: Partially deteriorated, Secondary 3,081 11,665 14,746 248 2,212 D C: Not functioning well, D: Serious condition for (4) Major Problems and Constrains operation) - Water Resources Facility Fallen down, inclined, or washed away of retaining wall of weir Problem on management for flood/scouring sluice gate(s) operation Problem on management for intake gate(s) operation - Irrigation Canal and Related Structure General O&M problems Difficulty on maintenance of earth canal Difficulty on O&M

(5) Causes of Major Problems and Constraints - Water Resources Facility Insufficient quality of concrete or masonry material, over acting earth pressure more than design Improper maintenance of flood or scouring sluice gate(s) of headworks (no greasing and anti-rust painting) Improper management or deterioration of intake gate(s) - Irrigation Canal and Related Structure No kilo and hectometer post, no structure plate or mark on structures and no identification for repair/maintenance Fallen down and collapse of side slope, water plants or weed at inside of canal No provision or damage of inspection road, difficulty on passing of inspection road due to damage, broken

V.2 Development Plan (1) Proposed Countermeasures for Major Problems - Water Resources Facility Reconstruction of retaining wall of weir Replacement of control system or damaged equipment of flood/scouring sluice gate(s) of headworks Replacement of control system or damaged equipment of intake - Irrigation Canal and Related Structure Provision of kilo, hect-m posts, marking to each structure with structure name Provision of concrete lining Provision or repair of inspection road with all weather type/pavement

(2) Water Resources Facility Dam/Headworks body: minor rehabilitation Intake, civil: minor rehabilitation Intake, mechanical : large rehabilitation Settling basin : no rehabilitation (3) Irrigation Canal and Related Structure Works No rehabilitation Rehabilitation New construction Total Main 0 6,350 0 6,350 Canal (m) Secondary 0 14,746 0 14,746 Structure Main 0 52 5 57 (nos) Secondary 0 248 50 298

(4) On-farm Development (Unit: ha) a. Potential Irrigated paddy field 1,722 d. Non-potential paddy field 0 b. Potential non-irrigated paddy field 0 e. Non-potenttial non-paddy field 0 c. Potential non-paddy field 0Total 1,722

(5) Rehabilitation Cost (Direct Cost) (Unit: Million Rp.) On-Farm Project Cost W.R.F Irrigation Drainage Total Develop. Facility per ha 1,183 30,429 3,043 3,530 1,260 39,445 22.9 (W.R.F: Water Resources Facility, Develop.: Development)

VI. PROJECT EVALUATION VI.1 EIRR 9.9%

VI.2 Prioritization Scoring Evaluation Index Full Score Score Evaluation Index Full Score Score Total Score Irrigation Utilization of Irrigation Potential 10.0 5.0 Agricultural Productivity 20.0 11.0 59.8 System Urgency 25.0 19.0 Social Problem 15.0 10.5 Sustainability 15.0 6.8 Economic Impact 15.0 7.5

VI.3 Priority Group Group II: Second priority group VI.4 Priority Ranking in the Province 12

3 - 110 North Sumatera Province 28. Panambean/Panet Tongah BK Scheme (3/4)

Scheme Panambean / Panet Tongah BK District Simalungun

Technical Level Technical Registered Area 1,723 ha Year of Construction 1991 Category Irrigation (Headworks)

Structure Fixed Weir

Condition ABC D Problems Washed away of ripraps or blocks at downstream of stilling basin, sediment in front of intake

Category Irrigation (Headworks)

Structure Intake Gate

Condition ABC D Problems Leakage from gate leaf; insufficient strength against design load due to rust, decay of steel material; problem on management due to lack of periodically maintenance

Category Irrigation (Main Canal)

Structure Masonry Lined Canal

Condition ABC D Problems Sedimentation; leakage from lined canal; crack or damage on lined canal; defflection of lining toward inside of canal; and no inspection road.

Condition: A: Functioning well, B: Partially deteriorated, C: Not functioning well, D: Serious condition for operation 3 - 111 North Sumatera Province 28. Panambean/Panet Tongah BK Scheme (4/4)

Scheme Panambean / Panet Tongah BK District Simalungun

Technical LevelTechnical Registered Area 1,723 ha Year of Construction 1991 Category Irrigation (Secondary Canal)

Structure Division structure

Condition ABC D Problems Lower function of division structure due to sedimentation in front of structure; damage on division structure; physical operation problem on division structure

Category Irrigation (Secondary Canal)

Structure Earth Canal

Condition ABC D Problems Sedimentation; collapse of canal; leakage from canal; difficulty on maintenance of earth canal; and no inspection road.

Category

Structure

Condition ABC D Problems

Condition: A: Functioning well, B: Partially deteriorated, C: Not functioning well, D: Serious condition for operation 3 - 112 North Sumatera Province 29. Raja Hombang/T. Mangaraja Scheme (1/4) I. PROJECT FUNDAMENTALS I.1 General (1) Code Number : 120256000 (7) Number of Farmers : Not available (2) Name of Irrigation Scheme : Raja Hombang/T. Mangaraja (8) Water Resource River : Bah Tongguran (3) District (Kabupaten) : Simalungun (9) Catchment Area (km2) : 229.40 (4) Sub-district (Kecamatan) : Huta Bayu Raja (10) Original / Last Rehabilittion Year : 1994 (5) Registered Area (ha) : 2,045 (6) Technical Level : Technical

I.2 Availability of Reports/Documents & References (A : Available, B : Available but partially, C : Not available/ No plan) a. Design Reports of Existing System(Full set) b. Irrigation diagram c. As-built drawings d. Structure lists & diagram B AAB e. Rehabilitation plan & its references f. Crops and yield data g. Cropping Calender h. WUAs data C

II. SUBJECT AREA FOR REHABILITATION PLAN II.1 Present and Planned Land Use Category Present (ha) Plan (ha) Increment (ha) a. Irrigated paddy field 2,023 2,023 0 b. Rainfed paddy field 0 0 0 c. Upland field 0 0 0 d. Uncultivated land 0 0 0 e. Non-irrigable land 0 0 0 Total 2,023 2,023 0

(2) Problems and Constraints A. Irrigation & Agriculture Performances - Irrigation water supply limited in dry season & poor drainage problem reported - Double cropping of paddy introduced; paddy yield levels moderate; palawija introduced extensively B. Primary Constraint Identified through the Inventory Survey by the JICA Study - Irrigation & Drainage: Poor drainage - Palawija Marketing: - - Agronomic Issues: Farmers not following recommended practices - Farmers Organizations: Most members are not active - Paddy Marketing: Low marketing prices - Extension Services: Implementation of extension programs is limited

III.2 Development Plan (1) Development Approaches - Ensuring irrigation water supply in dry season at on-farm level through rehabilitation - Double cropping of paddy in the entire scheme; productivity increase of paddy through further intensification; palawija cultivation in dry season I - Strengthening of extension activities tailored to area specific needs; empowerment of farmer groups (KTs) to establish agri-business oriented KTs (2) Planned Irrigation Performances and Crop Production Cropped Area in Irrigated Paddy Field Annual Irrigated Paddy Yield Crop Production (ton) Season Paddy (ha) Palawija Others (ha) Total (ha) Intensity (GKG ton/ha) Paddy Palawija Others Season I (wet) 2,023 2,023 100% 5.0 10,115 Season II (dry I) 607 607 Season III (dry II) 2,023 2,023 100% 5.0 10,115 3,035 Total/Annual 4,046 607 0 4,653 230% 5.0 20,230 3,035 0 Annual Increment 788 5 0 793 39% 0.7 6,195 1,530 0

IV. WUAs IV.1 Existing Condition (1) Number a. Target; 17 b. Established; 17 c. Not yet; 0 Registered 0 Performance a. Developed; 0 b. Under developing; 2 c. Not yet; 15 Not yet registered 17

(2) Problems and Constraints Operation Maintenance Management

(3) Causes of Problems and Constraints (No activity)

IV.2 Development Plan (1) Proposed Countermeasures - Activation of WUA O&M works.

(2) Development Plan - WUA O&M training.

3 - 113 North Sumatera Province 29. Raja Hombang/T. Mangaraja Scheme (2/4) V. IRRIGATION FACILITY V.1 Existing Condition (1) Overall Irrigation System: C (A: Functioning well, B: Partially deteriorated, C: Not functioning well, D: Serious condition for operation) Water Resources Facility : B Main Canal System : C Secondary Canal System : D On-farm : D (2) Water Resources Facilty a. Type of facility : Headworks e. Scouring sluice gate : 2 nos. i. Condition : B b. Type of weir : Fixed weir f. Intake gate : 4 nos. (A: Functioning well, B: Partially deteriorated, C: Not c. Length of weir : 20 m g. Settling basin : provided functioning well, D: Serious condition for operation) d. Design intake discharge : 4.5 m3/s h. Inspection bridge : provided (no info.: no information)

(3) Irrigation Canal and Inspection Road Canal Lined (m) Unlined Total (m) Structure (nos) Inspection road (m) Condition (A: Functioning well, Main 8,080 14,200 22,280 138 11,140 C B: Partially deteriorated, Secondary 0 10,800 10,800 92 0 D C: Not functioning well, D: Serious condition for (4) Major Problems and Constrains operation) - Water Resources Facility Fallen down, inclined, or washed away of retaining wall of weir Insufficient diversion water due to sedimentation in front of intake Inflow of bed loads into canal and decrease canal flow capacity - Irrigation Canal and Related Structure Difficulty on maintenance of earth canal Difficulty on O&M

(5) Causes of Major Problems and Constraints - Water Resources Facility Insufficient quality of concrete or masonry material, over acting earth pressure more than design Sedimentation in front of intake No proper gate operation of intake during flood - Irrigation Canal and Related Structure Fallen down and collapse of side slope, water plants or weed at inside of canal No provision or damage of inspection road, difficulty on passing of inspection road due to damage, broken

V.2 Development Plan (1) Proposed Countermeasures for Major Problems - Water Resources Facility Reconstruction of retaining wall of weir Dredging or flushing of sediment, proper gate operation of headworks and intake Proper gate operation of intake during flood - Irrigation Canal and Related Structure Provision of concrete lining Provision or repair of inspection road with all weather type/pavement

(2) Water Resources Facility Dam/Headworks body: minor rehabilitation Intake, civil: minor rehabilitation Intake, mechanical : minor rehabilitation Settling basin : no rehabilitation (3) Irrigation Canal and Related Structure Works No rehabilitation Rehabilitation New construction Total Main 0 22,280 0 22,280 Canal (m) Secondary 0 10,800 0 10,800 Structure Main 0 138 14 152 (nos) Secondary 0 92 18 110

(4) On-farm Development (Unit: ha) a. Potential Irrigated paddy field 2,023 d. Non-potential paddy field 0 b. Potential non-irrigated paddy field 0 e. Non-potenttial non-paddy field 0 c. Potential non-paddy field 0Total 2,023

(5) Rehabilitation Cost (Direct Cost) (Unit: Million Rp.) On-Farm Project Cost W.R.F Irrigation Drainage Total Develop. Facility per ha 1,260 43,565 4,357 4,147 1,570 54,899 27.1 (W.R.F: Water Resources Facility, Develop.: Development)

VI. PROJECT EVALUATION VI.1 EIRR 11.1%

VI.2 Prioritization Scoring Evaluation Index Full Score Score Evaluation Index Full Score Score Total Score Irrigation Utilization of Irrigation Potential 10.0 5.0 Agricultural Productivity 20.0 11.0 63.4 System Urgency 25.0 19.6 Social Problem 15.0 10.5 Sustainability 15.0 6.8 Economic Impact 15.0 10.5

VI.3 Priority Group Group II: Second priority group VI.4 Priority Ranking in the Province 8

3 - 114 North Sumatera Province 29. Raja Hombang/T. Mangaraja Scheme (3/4)

Scheme Raja Hombang/T. Mangaraja District Simalungun

Technical Level Technical Registered Area 2,045 ha Year of Construction 1994 Category Irrigation (Headworks)

Structure Fixed Weir

Condition ABC D Problems Fallen down, incline or washed away of retaining wall of weir; washed away of stilling basin

Category Irrigation (Headworks)

Structure Intake Gate

Condition ABC D Problems Leakage from gate leaf; insufficient strength against design load due to rust, decay of steel material; insufficient diversion water due to sedimentation in front of intake

Category Irrigation (Main Canal)

Structure Masonry Lined Canal

Condition ABC D Problems Sedimentation; leakage from lined canal; crack or damage on lined canal; defflection of lining toward inside of canal; and no inspection road.

Condition: A: Functioning well, B: Partially deteriorated, C: Not functioning well, D: Serious condition for operation 3 - 115 North Sumatera Province 29. Raja Hombang/T. Mangaraja Scheme (4/4)

Scheme Raja Hombang/T. Mangaraja District Simalungun

Technical LevelTechnical Registered Area 2,045 ha Year of Construction 1994 Category Irrigation (Secondary Canal)

Structure Division structure

Condition ABC D Problems Lower function of division structure due to sedimentation in front of gate; damage on structure; physical operation problem on structure; sedimentation at inside of canal.

Category Irrigation (Secondary Canal)

Structure Masonry Lined Canal

Condition ABC D Problems Sedimentation; leakage from lined canal; crack or damage on lined canal; defflection of lining toward inside of canal; and no inspection road.

Category

Structure

Condition ABC D Problems

Condition: A: Functioning well, B: Partially deteriorated, C: Not functioning well, D: Serious condition for operation 3 - 116 North Sumatera Province 30. Kerasaan Scheme (1/4) I. PROJECT FUNDAMENTALS I.1 General (1) Code Number : 120273000 (7) Number of Farmers : Not available (2) Name of Irrigation Scheme : Kerasaan (8) Water Resource River : Bah Bolon (3) District (Kabupaten) : Simalungun (9) Catchment Area (km2) : 635.5 (4) Sub-district (Kecamatan) : P.Bandar/Banda (10) Original / Last Rehabilittion Year : 1988 (5) Registered Area (ha) : 5,000 (6) Technical Level : Technical

I.2 Availability of Reports/Documents & References (A : Available, B : Available but partially, C : Not available/ No plan) a. Design Reports of Existing System(Full set) b. Irrigation diagram c. As-built drawings d. Structure lists & diagram BAAA e. Rehabilitation plan & its references f. Crops and yield data g. Cropping Calender h. WUAs data C

II. SUBJECT AREA FOR REHABILITATION PLAN II.1 Present and Planned Land Use Category Present (ha) Plan (ha) Increment (ha) a. Irrigated paddy field 3,869 4,062 193 b. Rainfed paddy field 0 0 0 c. Upland field 0 0 0 d. Uncultivated land 275 0 -275 e. Non-irrigable land 0 82 82 Total 4,144 4,144 0

(2) Problems and Constraints A. Irrigation & Agriculture Performances - Irrigation water supply limited in dry season & poor drainage problems in we season - Double cropping of paddy introduced; paddy yield levels moderate; annual intensity still limited; palawija introduced extensively B. Primary Constraint Identified through the Inventory Survey by the JICA Study - Irrigation & Drainage: Poor drainage - Palawija Marketing: - - Agronomic Issues: Farmers not following recommended practices - Farmers Organizations: Most members are not active - Paddy Marketing: - - Extension Services: Most members are not active

III.2 Development Plan (1) Development Approaches - Expansion of irrigated area in dry season & drainage improvement to expand paddy cropped area in wet season through rehabilitation & upgrading - Expansion of double cropped area of paddy; productivity increase of paddy through further intensification; palawija in dry season II - Strengthening of extension activities tailored to area specific needs; empowerment of farmer groups (KTs) to establish agri-business oriented KTs (2) Planned Irrigation Performances and Crop Production Cropped Area in Irrigated Paddy Field Annual Irrigated Paddy Yield (GKG Crop Production (ton) Season Paddy (ha) Palawija Others (ha) Total (ha) Intensity ton/ha) Paddy Palawija Others Season I (wet) 4,062 4,062 100% 5.5 22,341 Season II (dry I) 0 Season III (dry II) 3,250 812 4,062 100% 5.5 17,875 4,060 Total/Annual 7,312 812 0 8,124 200% 5.5 40,216 4,060 0 Annual Increment 1,900 (117) 0 1,783 36% 1.0 15,862 1,737 0

IV. WUAs IV.1 Existing Condition (1) Number a. Target; 27 b. Established; 27 c. Not yet; 0 Registered 0 Performance a. Developed; 0 b. Under developing; 17 c. Not yet; 8 Not yet registered 27

(2) Problems and Constraints Operation Maintenance Management

(3) Causes of Problems and Constraints (No activity)

IV.2 Development Plan (1) Proposed Countermeasures - Activation of WUA O&M works.

(2) Development Plan - WUA O&M training.

3 - 117 North Sumatera Province 30. Kerasaan Scheme (2/4) V. IRRIGATION FACILITY V.1 Existing Condition (1) Overall Irrigation System: C (A: Functioning well, B: Partially deteriorated, C: Not functioning well, D: Serious condition for operation) Water Resources Facility : C Main Canal System : C Secondary Canal System : D On-farm : D (2) Water Resources Facilty a. Type of facility : Headworks e. Scouring sluice gate : 4 nos. i. Condition : C b. Type of weir : Fixed weir f. Intake gate : 3 nos. (A: Functioning well, B: Partially deteriorated, C: Not c. Length of weir : 125 m g. Settling basin : provided functioning well, D: Serious condition for operation) d. Design intake discharge : 7.4 m3/s h. Inspection bridge : not provided (no info.: no information)

(3) Irrigation Canal and Inspection Road Canal Lined (m) Unlined Total (m) Structure (nos) Inspection road (m) Condition (A: Functioning well, Main 7,245 23,061 30,306 51 30,306 C B: Partially deteriorated, Secondary 9,500 43,605 53,105 98 53,105 D C: Not functioning well, D: Serious condition for (4) Major Problems and Constrains operation) - Water Resources Facility Insufficient diversion water due to sedimentation in front of intake Inflow of bed loads into canal and decrease canal flow capacity Difficulty on water distribution/discharge measurement - Irrigation Canal and Related Structure Difficulty on maintenance of earth canal Difficulty on O&M

(5) Causes of Major Problems and Constraints - Water Resources Facility Sedimentation in front of intake Insufficient function of settling basin, no proper gate operation of intake during flood No provision of water level gauge/measuring facility - Irrigation Canal and Related Structure Fallen down and collapse of side slope, water plants or weed at inside of canal No provision or damage of inspection road, difficulty on passing of inspection road due to damage, broken

V.2 Development Plan (1) Proposed Countermeasures for Major Problems - Water Resources Facility Dredging or flushing of sediment, proper gate operation of headworks and intake Replacement of settling basin, proper gate operation of intake during flood Provision of water level gauge/measuring facility and equipment - Irrigation Canal and Related Structure Provision of concrete lining Provision or repair of inspection road with all weather type/pavement

(2) Water Resources Facility Dam/Headworks body: minor rehabilitation Intake, civil: minor rehabilitation Intake, mechanical : minor rehabilitation Settling basin : replacement or new (3) Irrigation Canal and Related Structure Works No rehabilitation Rehabilitation New construction Total Main 0 25,154 0 25,154 Canal (m) Secondary 0 44,077 0 44,077 Structure Main 0 42 4 47 (nos) Secondary 0 81 16 98

(4) On-farm Development (Unit: ha) a. Potential Irrigated paddy field 3,869 d. Non-potential paddy field 0 b. Potential non-irrigated paddy field 0 e. Non-potenttial non-paddy field 0 c. Potential non-paddy field 275Total 4,144

(5) Rehabilitation Cost (Direct Cost) (Unit: Million Rp.) On-Farm Project Cost W.R.F Irrigation Drainage Total Develop. Facility per ha 4,323 82,717 8,272 9,341 1,570 106,222 25.6 (W.R.F: Water Resources Facility, Develop.: Development)

VI. PROJECT EVALUATION VI.1 EIRR 11.4%

VI.2 Prioritization Scoring Evaluation Index Full Score Score Evaluation Index Full Score Score Total Score Irrigation Utilization of Irrigation Potential 10.0 5.0 Agricultural Productivity 20.0 13.0 64.4 System Urgency 25.0 21.6 Social Problem 15.0 6.0 Sustainability 15.0 8.3 Economic Impact 15.0 10.5

VI.3 Priority Group Group I: First priority group VI.4 Priority Ranking in the Province 7

3 - 118 North Sumatera Province 30. Kerasaan Scheme (3/4)

Scheme Kerasaan District Simalungun

Technical Level Technical Registered Area 5,000 ha Year of Construction 1988 Category Irrigation (Headworks)

Structure Fixed Weir

Condition ABC D Problems Downstream retaining wall is damaged

Category Irrigation (Headworks)

Structure Stilling Basin

Condition ABC D Problems Washed away of stilling basin; washed away of riprap or block of stilling basin

Category Irrigation (Headworks)

Structure Intake Gate

Condition ABC D Problems Leakage from gate leaf; insufficeint strength against design load due to rust, decay of steel material; problem on management due to lack of periodically maintenance

Condition: A: Functioning well, B: Partially deteriorated, C: Not functioning well, D: Serious condition for operation 3 - 119 North Sumatera Province 30. Kerasaan Scheme (4/4)

Scheme Kerasaan District Simalungun

Technical LevelTechnical Registered Area 5,000 ha Year of Construction 1988 Category Irrigation (Main Canal)

Structure Division Structure

Condition ABC D Problems Lower function of division structure; damage on structure; physical operation problem on structure

Category Irrigation (Main Canal)

Structure Canal

Condition ABC D Problems Sedimentation; collapse of canal; leakage from canal

Category Irrigation (Secondary Canal)

Structure Masonry Lined Canal

Condition ABC D Problems Sedimentation; leakage from lined canal; crack or damage on lined canal; defflection of lining toward inside of canal; and no inspection road.

Condition: A: Functioning well, B: Partially deteriorated, C: Not functioning well, D: Serious condition for operation 3 - 120 North Sumatera Province 31. Javacolonisasi/Purbogondo Scheme (1/4) I. PROJECT FUNDAMENTALS I.1 General (1) Code Number : 120276000 (7) Number of Farmers : Not available (2) Name of Irrigation Scheme : Javacolonisasi/Purbogondo (8) Water Resource River : Bah Pamujian (3) District (Kabupaten) : Simalungun (9) Catchment Area (km2) : 200.2 (4) Sub-district (Kecamatan) : Pem. Bandar (10) Original / Last Rehabilittion Year : 1989 (5) Registered Area (ha) : 1,030 (6) Technical Level : Technical

e. Rehabilitation plan & its references f. Crops and yield data g. Cropping Calender h. WUAs data

II. SUBJECT AREA FOR REHABILITATION PLAN II.1 Present and Planned Land Use Category Present (ha) Plan (ha) Increment (ha) a. Irrigated paddy field 1,015 1,015 0 b. Rainfed paddy field 0 0 0 c. Upland field 0 0 0 d. Uncultivated land 0 0 0 e. Non-irrigable land 0 0 0 Total 1,015 1,015 0

(2) Problems and Constraints A. Irrigation & Agriculture Performances - High irrigation performances attained, however poor O&M at tertiary level reported - Double cropping of paddy in almost all the irrigated area practiced; however paddy yield levels moderate & palawija production limited B. Primary Constraint Identified through the Inventory Survey by the JICA Study - Irrigation & Drainage: Poor O&M at tertiary level and below - Palawija Marketing: Unstable marketing prices - Agronomic Issues: Infestation of pest & diseases - Farmers Organizations: Managerial capacity of KTs are limited - Paddy Marketing: Low marketing prices - Extension Services: Extension activities of PPLs are limited

III.2 Development Plan (1) Development Approaches - Ensuring year round irrigation water supply at on-farm level through rehabilitation - Double cropping of paddy in the entire scheme; productivity increase of paddy through further intensification; introduction of palawija in dry season I - Strengthening of extension activities tailored to area specific needs; empowerment of farmer groups (KTs) to establish agri-business oriented KTs (2) Planned Irrigation Performances and Crop Production Cropped Area in Irrigated Paddy Field Annual Irrigated Paddy Yield Crop Production (ton) Season Paddy (ha) Palawija Others (ha) Total (ha) Intensity (GKG ton/ha) Paddy Palawija Others Season I (wet) 1,015 1,015 100% 5.5 5,583 Season II (dry I) 204 204 20% 1,020 Season III (dry II) 1,015 1,015 100% 5.5 5,583 Total/Annual 2,030 204 0 2,234 220% 5.5 11,165 1,020 0 Annual Increment 31 190 0 221 22% 1.0 2,170 985 0

IV. WUAs IV.1 Existing Condition (1) Number a. Target; 22 b. Established; 22 c. Not yet; 0 Registered 3 Performance a. Developed; 3 b. Under developing; 10 c. Not yet; 9 Not yet registered 19

(2) Problems and Constraints Operation Maintenance Management

(3) Causes of Problems and Constraints - Low collection rate of WUA membership fee.

IV.2 Development Plan (1) Proposed Countermeasures - Improve a sense of responsibility pf member farmers for WUA activities.

(2) Development Plan - WUA management training.

3 - 121 North Sumatera Province 31. Javacolonisasi/Purbogondo Scheme (2/4) V. IRRIGATION FACILITY V.1 Existing Condition (1) Overall Irrigation System: C (A: Functioning well, B: Partially deteriorated, C: Not functioning well, D: Serious condition for operation) Water Resources Facility : B Main Canal System : C Secondary Canal System : D On-farm : C (2) Water Resources Facilty a. Type of facility : Headworks e. Scouring sluice gate : 1 nos. i. Condition : B b. Type of weir : Fixed weir f. Intake gate : 2 nos. (A: Functioning well, B: Partially deteriorated, C: Not c. Length of weir : 30 m g. Settling basin : provided functioning well, D: Serious condition for operation) d. Design intake discharge : 5.6 m3/s h. Inspection bridge : not provided (no info.: no information)

(3) Irrigation Canal and Inspection Road Canal Lined (m) Unlined Total (m) Structure (nos) Inspection road (m) Condition (A: Functioning well, Main 5,770 5,510 11,280 78 11,280 C B: Partially deteriorated, Secondary 604 3,446 4,050 18 0 D C: Not functioning well, D: Serious condition for (4) Major Problems and Constrains operation) - Water Resources Facility Lower strength against design load due to rust, decay of steel materials of flood/scouring sluice gate(s) Lower strength against design load due to rust, decay of steel materials of intake gate(s)

- Irrigation Canal and Related Structure Impassable of inspection road along canal Difficulty on maintenance of earth canal

(5) Causes of Major Problems and Constraints - Water Resources Facility No over coating on flood/scouring sluice gate(s) to prevent rust and decay No over coating on intake gate(s) to prevent rust and decay

- Irrigation Canal and Related Structure Improper routine O&M works due to no or narrow wide of road, slope erosion by rainfall then in flow into canal Fallen down and collapse of side slope, water plants or weed at inside of canal

- Irrigation Canal and Related Structure Provision of inspection road both main and secondary canal with pavement Provision of concrete lining

(2) Water Resources Facility Dam/Headworks body: minor rehabilitation Intake, civil: minor rehabilitation Intake, mechanical : minor rehabilitation Settling basin : minor rehabilitation (3) Irrigation Canal and Related Structure Works No rehabilitation Rehabilitation New construction Total Main 0 11,280 0 11,280 Canal (m) Secondary 0 4,050 0 4,050 Structure Main 0 78 8 86 (nos) Secondary 0 18 4 22

(4) On-farm Development (Unit: ha) a. Potential Irrigated paddy field 1,015 d. Non-potential paddy field 0 b. Potential non-irrigated paddy field 0 e. Non-potenttial non-paddy field 0 c. Potential non-paddy field 0Total 1,015

(5) Rehabilitation Cost (Direct Cost) (Unit: Million Rp.) On-Farm Project Cost W.R.F Irrigation Drainage Total Develop. Facility per ha 1,628 19,712 1,971 2,081 1,260 26,651 26.3 (W.R.F: Water Resources Facility, Develop.: Development)

VI. PROJECT EVALUATION VI.1 EIRR 8.0%

VI.2 Prioritization Scoring Evaluation Index Full Score Score Evaluation Index Full Score Score Total Score Irrigation Utilization of Irrigation Potential 10.0 5.0 Agricultural Productivity 20.0 11.0 56.8 System Urgency 25.0 19.0 Social Problem 15.0 7.5 Sustainability 15.0 6.8 Economic Impact 15.0 7.5

VI.3 Priority Group Group III: Third priority group VI.4 Priority Ranking in the Province 17

3 - 122 North Sumatera Province 31. Javacolonisasi/Purbogondo Scheme (3/4)

Scheme Javacolonisasi/Purbogondo District Simalungun

Technical Level Technical Registered Area 1,030 ha Year of Construction 1989 Category Irrigation (Headworks)

Structure Fixed Weir

Condition ABC D Problems Fallen down, incline or washed away of retaining wall of weir; washed away of stilling basin

Category Irrigation (Headworks)

Structure Stilling Basin

Condition ABC D Problems Washed away of stilling basin; washed away of riprap or block of stilling basin

Category Irrigation (Headworks)

Structure Intake Gate

Condition ABC D Problems Leakage from gate leaf; insufficeint strength against design load due to rust, decay of steel material; problem on management due to lack of periodically maintenance; insufficient diversion water due to sedimentation in front of intake

Condition: A: Functioning well, B: Partially deteriorated, C: Not functioning well, D: Serious condition for operation 3 - 123 North Sumatera Province 31. Javacolonisasi/Purbogondo Scheme (4/4)

Scheme Javacolonisasi/Purbogondo District Simalungun

Technical LevelTechnical Registered Area 1,030 ha Year of Construction 1989 Category Irrigation (Main Canal)

Structure Masonry Lined Canal

Condition ABC D Problems Sedimentation; leakage from lined canal; crack or damage on lined canal; defflection of lining toward inside of canal; and no inspection road

Category Irrigation (Main Canal)

Structure Culvert

Condition ABC D Problems Clogging of road crossing; damage at bridge slab.

Category Irrigation (Secondary Canal)

Structure Masonry Lined Canal

Condition ABC D Problems Sedimentation; leakage from lined canal; crack or damage on lined canal; defflection of lining toward inside of canal; and no inspection road

Condition: A: Functioning well, B: Partially deteriorated, C: Not functioning well, D: Serious condition for operation 3 - 124 North Sumatera Province 32. Naga Sompah Scheme (1/4) I. PROJECT FUNDAMENTALS I.1 General (1) Code Number : 120284000 (7) Number of Farmers : Not available (2) Name of Irrigation Scheme : Naga Sompah (8) Water Resource River : Bah Hapal (3) District (Kabupaten) : Simalungun (9) Catchment Area (km2) : 588 (4) Sub-district (Kecamatan) : Pem. Bandar (10) Original / Last Rehabilittion Year : 1987 (5) Registered Area (ha) : 1,360 (6) Technical Level : Technical

I.2 Availability of Reports/Documents & References (A : Available, B : Available but partially, C : Not available/ No plan) a. Design Reports of Existing System(Full set) b. Irrigation diagram c. As-built drawings d. Structure lists & diagram BBAA e. Rehabilitation plan & its references f. Crops and yield data g. Cropping Calender h. WUAs data C

(2) Problems and Constraints A. Irrigation & Agriculture Performances - Irrigation water supply limited in dry season - Double cropping of paddy introduced; paddy yield levels still low to moderate; palawija introduced extensively B. Primary Constraint Identified through the Inventory Survey by the JICA Study - Irrigation & Drainage: Water shortage at on-farm level in dry season - Palawija Marketing: Unstable marketing prices - Agronomic Issues: Damage caused by rat - Farmers Organizations: Most members are not active - Paddy Marketing: Unstable marketing prices - Extension Services: Extension activities of PPLs are limited

III.2 Development Plan (1) Development Approaches - Expansion of irrigated area through rehabilitation & upgrading - Double cropping of paddy in the entire scheme; productivity increase of paddy through further intensification; introduction of palawija in dry season I - Strengthening of extension activities tailored to area specific needs; empowerment of farmer groups (KTs) to establish agri-business oriented KTs (2) Planned Irrigation Performances and Crop Production Cropped Area in Irrigated Paddy Field Annual Irrigated Paddy Yield (GKG Crop Production (ton) Season Paddy (ha) Palawija Others (ha) Total (ha) Intensity ton/ha) Paddy Palawija Others Season I (wet) 1,015 1,015 100% 5.0 5,075 Season II (dry I) 305 305 30% 1,525 Season III (dry II) 1,015 1,015 100% 5.5 5,583 Total/Annual 2,030 305 0 2,335 230% 5.3 10,658 1,525 0 Annual Increment 538 (215) 0 323 32% 1.1 4,445 255 0

IV. WUAs IV.1 Existing Condition (1) Number a. Target; 7 b. Established; 7 c. Not yet; 0 Registered 0 Performance a. Developed; 0 b. Under developing; 3 c. Not yet; 4 Not yet registered 7

(2) Problems and Constraints Operation Maintenance Management

(3) Causes of Problems and Constraints - Less coordination between WUA and District WRS.

IV.2 Development Plan (1) Proposed Countermeasures - Encouragement of WUA to take initiative position in coordination with District WRS for O&M works.

(2) Development Plan - WUA O&M training.

3 - 125 North Sumatera Province 32. Naga Sompah Scheme (2/4) V. IRRIGATION FACILITY V.1 Existing Condition (1) Overall Irrigation System: D (A: Functioning well, B: Partially deteriorated, C: Not functioning well, D: Serious condition for operation) Water Resources Facility : D Main Canal System : C Secondary Canal System : D On-farm : C (2) Water Resources Facilty a. Type of facility : Free Intake e. Scouring sluice gate : - i. Condition : D b. Type of weir : - f. Intake gate : 1 nos. (A: Functioning well, B: Partially deteriorated, C: Not c. Length of weir : - g. Settling basin : not provided functioning well, D: Serious condition for operation) d. Design intake discharge : 2.0 m3/s h. Inspection bridge : - (no info.: no information)

(3) Irrigation Canal and Inspection Road Canal Lined (m) Unlined Total (m) Structure (nos) Inspection road (m) Condition (A: Functioning well, Main 8,000 5,417 13,417 63 6,709 C B: Partially deteriorated, Secondary 3,000 6,712 9,712 54 0 D C: Not functioning well, D: Serious condition for (4) Major Problems and Constrains operation) - Water Resources Facility Unstable diversion water due to river water level fluctuation Insufficient diversion water due to sedimentation in front of intake Physical operational problem on intake gate(s) - Irrigation Canal and Related Structure Impassable of inspection road along canal Difficulty on maintenance of earth canal

(5) Causes of Major Problems and Constraints - Water Resources Facility No provision of diversion weir Sedimentation in front of intake Improper design, installation and/or maintenance of intake gate(s); breakdown of hoist, stem, guide frame or leaf - Irrigation Canal and Related Structure Improper routine O&M works due to no or narrow wide of road, slope erosion by rainfall then in flow into canal Fallen down and collapse of side slope, water plants or weed at inside of canal

V.2 Development Plan (1) Proposed Countermeasures for Major Problems - Water Resources Facility Provision of new diversion weir Dredging or flushing of sediment, proper gate operation of headworks and intake Replacement of intake gate(s) of intake - Irrigation Canal and Related Structure Provision of inspection road both main and secondary canal with pavement Provision of concrete lining

(2) Water Resources Facility Dam/Headworks body: replacement or new Intake, civil: large rehabilitation Intake, mechanical : replacement or new Settling basin : replacement or new (3) Irrigation Canal and Related Structure Works No rehabilitation Rehabilitation New construction Total Main 0 10,063 0 10,063 Canal (m) Secondary 0 7,284 0 7,284 Structure Main 0 47 5 52 (nos) Secondary 0 41 8 49

(5) Rehabilitation Cost (Direct Cost) (Unit: Million Rp.) On-Farm Project Cost W.R.F Irrigation Drainage Total Develop. Facility per ha 5,091 20,252 2,025 2,081 1,260 30,709 30.3 (W.R.F: Water Resources Facility, Develop.: Development)

VI. PROJECT EVALUATION VI.1 EIRR 11.0%

VI.3 Priority Group Group VI: Development by other category VI.4 Priority Ranking in the Province - (High rehabilitation cost)

3 - 126 North Sumatera Province 32. Naga Sompah Scheme (3/4)

Scheme Naga Sompah District Simalungun

Technical Level Technical Registered Area 1,360 ha Year of Construction 1987 Category Irrigation (Free Intake)

Structure Intake Gate

Condition ABC D Problems Leakage from gate leaf; insufficient strength against design load due to rust, decay of steel material; problem on management due to lack of periodically maintenance

Category Irrigation (Free Intake)

Structure Intake Gate

Condition ABC D Problems Leakage from gate leaf; insufficient strength against design load due to rust, decay of steel material; problem on management due to lack of periodically maintenance

Category Irrigation (Main Canal)

Structure Division structure

Condition ABC D Problems Physical operation problem on gate; sedimentation at inside of canal.

Condition: A: Functioning well, B: Partially deteriorated, C: Not functioning well, D: Serious condition for operation 3 - 127 North Sumatera Province 32. Naga Sompah Scheme (4/4)

Scheme Naga Sompah District Simalungun

Technical LevelTechnical Registered Area 1,360 ha Year of Construction 1987 Category Irrigation (Main Canal)

Structure Culvert

Condition ABC D Problems Clogging of road crossing; no free board clearance; sedimentation at inside of canal.

Category Irrigation (Main Canal)

Structure Earth Canal

Condition ABC D Problems Sedimentation; collapse of canal; leakage from canal; difficulty on maintenance of earth canal; obstruction at inside of canal.

Category Irrigation (Secondary Canal)

Structure Earth Canal

Condition ABC D Problems Sedimentation; collapse of canal; leakage from canal; difficulty on maintenance of earth canal; no inspection road.

Condition: A: Functioning well, B: Partially deteriorated, C: Not functioning well, D: Serious condition for operation 3 - 128 Location of District LEGEND NORTH SUMATRA PROVINCE Capital Town of District MEDAN N Sub-District Town

Provincial Boundary ACEH Lake Toba Ke Mardinding District Boundary

Sub-District Boundary Ke Tiga Binangka KARO DISTRICT Provincial Road Kota Buluh River

RIAU Irrigation Scheme

Semi-Technical Irrigation Tiga Lingga Perdamaian DAIRI Ke Kaban Jahe Baturaja DISTRICT WEST SUMATRA Irrigation Scheme Bakai Tanjung Beringin Lake Toba Registered Subject ACEH Sumbul Name of Scheme Area (Ha) Area (Ha) PROVINCE SIDIKALANG 33. Risma Duma 1,522 ST 1,522 34. Lae Ordi 1,200 ST 1,200

ST : Semi-Technical Irrigation 33. Risma Duma Ke Subussalam A Suka Rame Ke Doloksanggul Pabuluan B C G Salak E D F Location of Sub-District

TOBA SAMOSIR H I A Kec. Tanah Pinem B Kec. Tiga Lingga Ke Parlilitan DISTRICT C Kec. Siempat Nempu Hilir D Kec. Silima Pungga-Pungga K J E Kec. Siempu Nempu F Kec. Siempat Nempu Hilir G Kec. Pegagan Hilir H Kec. Sidikalang I Kec. Sumbul 34. Lae Ordi L J Kec. Parbuluan TAPANULI TENGAH K Kec. Kerajaan DISTRICT L Kec. Salak

The Study on Comprehensive Recovery Program 0 5 10 15 20 Km of Irrigation Agriculture Location Map of Irrigation Schemes in Dairi District SCALE Japan International Cooperation Agency North Sumatera Province 33. Risma Duma Scheme (1/4) I. PROJECT FUNDAMENTALS I.1 General (1) Code Number : 120089000 (7) Number of Farmers : Not available (2) Name of Irrigation Scheme : Risma Duma (8) Water Resource River : Lae Simbelin (3) District (Kabupaten) : Dairi (9) Catchment Area (km2) : 192.5 (4) Sub-district (Kecamatan) : Silima Pungga-pungga (10) Original / Last Rehabilittion Year : 1982 (5) Registered Area (ha) : 1,522 (6) Technical Level : Semi Technical

I.2 Availability of Reports/Documents & References (A : Available, B : Available but partially, C : Not available/ No plan) a. Design Reports of Existing System(Full set) b. Irrigation diagram c. As-built drawings d. Structure lists & diagram CCCC e. Rehabilitation plan & its references f. Crops and yield data g. Cropping Calender h. WUAs data C

II. SUBJECT AREA FOR REHABILITATION PLAN II.1 Present and Planned Land Use Category Present (ha) Plan (ha) Increment (ha) a. Irrigated paddy field 0 1,305 1,305 b. Rainfed paddy field 800 0 -800 c. Upland field 722 0 -722 d. Uncultivated land 0 0 0 e. Non-irrigable land 0 217 217 Total 1,522 1,522 0

III. AGRICULTURE III.1 Present/Before Project Condition (1) Irrigation Performance and Crop Production Cropped Area in Irrigated Paddy FieldAnnual Irrigated Paddy Yield (GKG Crop Production (ton) 1/ Season Paddy (ha) Palawija Others (ha) Total (ha) Intensity ton/ha) Paddy Palawija Others Season I (wet) 0 0% 2,000 725 Season II (dry I) 0 Season III (dry II) 00% Total/Annual 00000% 2,000 725 0 1/: Rainfed paddy & upland palawija (2) Problems and Constraints A. Irrigation & Agriculture Performances - No irrigated area; existing of rainfed field (800ha) & upland field (722ha) - Only rainfed paddy & upland field palawija cultivated; paddy yield levels very low B. Primary Constraint Identified through the Inventory Survey by the JICA Study - Irrigation & Drainage: - - Palawija Marketing: Unstable marketing prices - Agronomic Issues: Damage caused by rat - Farmers Organizations: - - Paddy Marketing: - - Extension Services: Unstable marketing prices

III.2 Development Plan (1) Development Approaches - Development of irrigated area through rehabilitation & upgrading - Introduction of double cropping of paddy; productivity increase of paddy through intensification; introduction of palawija in dry season II - Strengthening of extension activities tailored to area specific needs; empowerment of farmer groups (KTs) to establish agri-business oriented KTs (2) Planned Irrigation Performances and Crop Production Cropped Area in Irrigated Paddy Field Annual Irrigated Paddy Yield (GKG Crop Production (ton) Season Paddy (ha) Palawija Others (ha) Total (ha) Intensity ton/ha) Paddy Palawija Others Season I (wet) 1,305 1,305 100% 4.5 5,873 Season II (dry I) 0 Season III (dry II) 783 131 914 70% 4.5 3,524 655 Total/Annual 2,088 131 0 2,219 170% 4.5 9,396 655 0 Annual Increment 2,088 131 0 2,219 170% 4.5 7,396 (70) 0

IV. WUAs IV.1 Existing Condition (1) Number a. Target; 6 b. Established; 1 c. Not yet; 5 Registered 0 Performance a. Developed; 0 b. Under developing; 0 c. Not yet; 1 Not yet registered 1

(2) Problems and Constraints Operation Maintenance Management

(3) Causes of Problems and Constraints (No activity)

IV.2 Development Plan (1) Proposed Countermeasures - Activation of WUA O&M works.

(2) Development Plan - WUA empowerment training.

3 - 129 North Sumatera Province 33. Risma Duma Scheme (2/4) V. IRRIGATION FACILITY V.1 Existing Condition (1) Overall Irrigation System: D (A: Functioning well, B: Partially deteriorated, C: Not functioning well, D: Serious condition for operation) Water Resources Facility : C Main Canal System : D Secondary Canal System : D On-farm : D (2) Water Resources Facilty a. Type of facility : Headworks e. Scouring sluice gate : no info. i. Condition : C b. Type of weir : Fixed weir f. Intake gate : 1 nos. (A: Functioning well, B: Partially deteriorated, C: Not c. Length of weir : 15 m g. Settling basin : not provided functioning well, D: Serious condition for operation) d. Design intake discharge : no info. h. Inspection bridge : not provided (no info.: no information)

(3) Irrigation Canal and Inspection Road Canal Lined (m) Unlined Total (m) Structure (nos) Inspection road (m) Condition (A: Functioning well, Main 0 0 0 0 0 D B: Partially deteriorated, Secondary 0 0 0 0 0 D C: Not functioning well, D: Serious condition for (4) Major Problems and Constrains operation) - Water Resources Facility Insufficient diversion water due to sedimentation in front of intake Inflow of bed loads into canal and decrease canal flow capacity

- Irrigation Canal and Related Structure Totally damaged and not functioning

(5) Causes of Major Problems and Constraints - Water Resources Facility Sedimentation in front of intake No provision of settling basin, no proper gate operation of intake during flood

- Irrigation Canal and Related Structure Totally damaged and not functioning

- Irrigation Canal and Related Structure Provision of new canal system

(2) Water Resources Facility Dam/Headworks body: minor rehabilitation Intake, civil: minor rehabilitation Intake, mechanical : minor rehabilitation Settling basin : replacement or new (3) Irrigation Canal and Related Structure Works No rehabilitation Rehabilitation New construction Total Main 0 0 2,265 2,265 Canal (m) Secondary 0 0 22,128 22,128 Structure Main 0 0 8 8 (nos) Secondary 0 0 58 58

(4) On-farm Development (Unit: ha) a. Potential Irrigated paddy field 0 d. Non-potential paddy field 0 b. Potential non-irrigated paddy field 800 e. Non-potenttial non-paddy field 0 c. Potential non-paddy field 722Total 1,522

(5) Rehabilitation Cost (Direct Cost) (Unit: Million Rp.) On-Farm Project Cost W.R.F Irrigation Drainage Total Develop. Facility per ha 3,228 30,332 3,033 5,750 1,260 43,603 28.6 (W.R.F: Water Resources Facility, Develop.: Development)

VI. PROJECT EVALUATION VI.1 EIRR 9.4%

VI.3 Priority Group Group VI: Development by other category VI.4 Priority Ranking in the Province - (Less facility was provided)

3 - 130 North Sumatera Province 33. Risma Duma Scheme (3/4)

Scheme Risma Duma District Dairi

Technical Level Semi-technical Registered Area 1,522 ha Year of Construction 1982 Category Irrigation (Headworks)

Structure Fixed Weir

Condition ABC D Problems Damaged and no use

Category Irrigation (Headworks)

Structure Intake Gate

Condition ABC D Problems Damaged and no use

Category Irrigation (Main Canal)

Structure Masonry Lined Canal

Condition ABC D Problems Totally damaged and no use

Condition: A: Functioning well, B: Partially deteriorated, C: Not functioning well, D: Serious condition for operation 3 - 131 North Sumatera Province 33. Risma Duma Scheme (4/4)

Scheme Risma Duma District Dairi

Technical LevelSemi-technical Registered Area 1,522 ha Year of Construction 1982 Category Irrigation (Main Canal)

Structure Masonry Lined Canal

Condition ABC D Problems Totally damaged and no use

Category

Structure

Condition ABC D Problems

Category

Structure

Condition ABC D Problems

Condition: A: Functioning well, B: Partially deteriorated, C: Not functioning well, D: Serious condition for operation 3 - 132 North Sumatera Province 34. Lae Ordi Scheme (1/4) I. PROJECT FUNDAMENTALS I.1 General (1) Code Number : 120107000 (7) Number of Farmers : Not available (2) Name of Irrigation Scheme : Lae Ordi (8) Water Resource River : Lae Ordi (3) District (Kabupaten) : Dairi (9) Catchment Area (km2) : 177.5 (4) Sub-district (Kecamatan) : Salak (10) Original / Last Rehabilittion Year : 1989 (5) Registered Area (ha) : 1,200 (6) Technical Level : Semi Technical

II. SUBJECT AREA FOR REHABILITATION PLAN II.1 Present and Planned Land Use Category Present (ha) Plan (ha) Increment (ha) a. Irrigated paddy field 15 900 885 b. Rainfed paddy field 185 0 -185 c. Upland field 1,000 0 -1,000 d. Uncultivated land 0 0 0 e. Non-irrigable land 0 300 300 Total 1,200 1,200 0

III. AGRICULTURE III.1 Present/Before Project Condition (1) Irrigation Performance and Crop Production Cropped Area in Irrigated Paddy FieldAnnual Irrigated Paddy Yield (GKG Crop Production (ton) Season Paddy (ha) Palawija Others (ha) Total (ha) Intensity ton/ha) Paddy Palawija Others Season I (wet) 15 15 100% 3.5 515 803 Season II (dry I) 0 Season III (dry II) 15 15 100% 3.5 53 Total/Annual 30 0 0 30 200% 3.5 568 803 0 1/: Irrigated/rainfed paddy & upland palawija (2) Problems and Constraints A. Irrigation & Agriculture Performances - Irrigated area limited to 15ha & existing of rainfed field (185ha) & upland field (1,000ha) - Rainfed paddy prevailing although double cropping of paddy introduced to extremely limited extent; existing of upland field land to be developed B. Primary Constraint Identified through the Inventory Survey by the JICA Study - Irrigation & Drainage: Water shortage at on-farm level in dry season - Palawija Marketing: Low marketing prices - Agronomic Issues: Damage caused by rat - Farmers Organizations: Most members are not active - Paddy Marketing: Low marketing prices - Extension Services: -

III.2 Development Plan (1) Development Approaches - Expansion of irrigated area through rehabilitation & upgrading - Introduction of double cropping of paddy; productivity increase of paddy through intensification; introduction of palawija in dry season II - Strengthening of extension activities tailored to area specific needs; empowerment of farmer groups (KTs) to establish agri-business oriented KTs (2) Planned Irrigation Performances and Crop Production Cropped Area in Irrigated Paddy Field Annual Irrigated Paddy Yield (GKG Crop Production (ton) Season Paddy (ha) Palawija Others (ha) Total (ha) Intensity ton/ha) Paddy Palawija Others Season I (wet) 900 900 100% 4.5 4,050 Season II (dry I) 0 Season III (dry II) 540 90 630 70% 4.5 2,430 450 Total/Annual 1,440 90 0 1,530 170% 4.5 6,480 450 0 Annual Increment 1,410 90 0 1,500 -30% 1.0 5,913 (353) 0

IV. WUAs IV.1 Existing Condition (1) Number a. Target; 6 b. Established; 1 c. Not yet; 5 Registered 0 Performance a. Developed; 0 b. Under developing; 1 c. Not yet; 0 Not yet registered 1

(2) Problems and Constraints Operation Maintenance Management

(3) Causes of Problems and Constraints (No activity)

IV.2 Development Plan (1) Proposed Countermeasures - Activation of WUA O&M works.

(2) Development Plan - WUA empowerment training.

3 - 133 North Sumtera Province 34. Lae Ordi Scheme (2/4) V. IRRIGATION FACILITY V.1 Existing Condition (1) Overall Irrigation System: C (A: Functioning well, B: Partially deteriorated, C: Not functioning well, D: Serious condition for operation) Water Resources Facility : C Main Canal System : C Secondary Canal System : D On-farm : D (2) Water Resources Facilty a. Type of facility : Headworks e. Scouring sluice gate : 1 nos. i. Condition : C b. Type of weir : Fixed weir f. Intake gate : 2 nos. (A: Functioning well, B: Partially deteriorated, C: Not c. Length of weir : 20 m g. Settling basin : not provided functioning well, D: Serious condition for operation) d. Design intake discharge : 0.8 m3/s h. Inspection bridge : provided (no info.: no information)

(3) Irrigation Canal and Inspection Road Canal Lined (m) Unlined Total (m) Structure (nos) Inspection road (m) Condition (A: Functioning well, Main 3,000 9,000 12,000 16 12,000 C B: Partially deteriorated, Secondary 0 6,000 6,000 5 6,000 D C: Not functioning well, D: Serious condition for (4) Major Problems and Constrains operation) - Water Resources Facility Insufficient diversion water due to sedimentation in front of intake Inflow of bed loads into canal and decrease canal flow capacity

- Irrigation Canal and Related Structure No provision of settling basin(sediments), improper management of canal (sediments, water plant) No kilo and hectometer post, no structure plate or mark on structures and no identification for repair/maintenance Fallen down and collapse of side slope, water plants or weed at inside of canal Deterioration of regulating structure on canal, especially gate and metal works No provision or damage of inspection road, difficulty on passing of inspection road due to damage, broken V.2 Development Plan (1) Proposed Countermeasures for Major Problems - Water Resources Facility Dredging or flushing of sediment, proper gate operation of headworks and intake Provision of settling basin, proper gate operation of intake during flood

- Irrigation Canal and Related Structure Removal of sediment soil and foreign materials from canal, grass cutting Provision of kilo, hect-m posts, marking to each structure with structure name Provision of concrete lining Replacement and reconstruction of regulating structure on canal Provision or repair of inspection road with all weather type/pavement (2) Water Resources Facility Dam/Headworks body: large rehabilitation Intake, civil: minor rehabilitation Intake, mechanical : minor rehabilitation Settling basin : replacement or new (3) Irrigation Canal and Related Structure Works No rehabilitation Rehabilitation New construction Total Main 0 12,000 1,200 13,200 Canal (m) Secondary 0 6,000 1,200 7,200 Structure Main 0 16 3 19 (nos) Secondary 0 5 2 7

(4) On-farm Development (Unit: ha) a. Potential Irrigated paddy field 15 d. Non-potential paddy field 0 b. Potential non-irrigated paddy field 185 e. Non-potenttial non-paddy field 593 c. Potential non-paddy field 407Total 1,200

(5) Rehabilitation Cost (Direct Cost) (Unit: Million Rp.) On-Farm Project Cost W.R.F Irrigation Drainage Total Develop. Facility per ha 2,302 20,681 2,068 5,630 1,260 31,941 26.6 (W.R.F: Water Resources Facility, Develop.: Development)

VI. PROJECT EVALUATION VI.1 EIRR 9.0%

VI.3 Priority Group Group V: Acceralation of WUAs establishment VI.4 Priority Ranking in the Province -

3 - 134 North Sumatera Province 34. Lae Ordi Scheme (3/4)

Scheme Lae Ordi District Dairi

Technical Level Semi-technical Registered Area 1,200 ha Year of Construction 1989 Category Irrigation (Headworks)

Structure Fixed Weir

Condition ABC D Problems Crack or damage on weir crest and piers.

Category Irrigation (Headworks)

Structure Retaining Wall

Condition ABC D Problems Sediment in front of intake.

Category Irrigation (Headworks)

Structure Intake Gate

Condition ABC D Problems Leakage from gate leaf; insufficient strength against design load due to rust, decay of steel material; insufficient diversion water due to sedimentation in front of intake; problem on management due to lack of periodically maintenance

Condition: A: Functioning well, B: Partially deteriorated, C: Not functioning well, D: Serious condition for operation 3 - 135 North Sumatera Province 34. Lae Ordi Scheme (4/4)

Scheme Lae Ordi District Dairi

Technical LevelSemi-technical Registered Area 1,200 ha Year of Construction 1989 Category Irrigation (Main Canal)

Structure Earth Canal

Condition ABC D Problems Sedimentation; collapse of canal; leakage from canal; difficulty on maintenance of earth canal

Category Irrigation (Secondary Canal)

Structure Division structure

Condition ABC D Problems Lower function of division structure; damage on structure; physical operation problem on structure

Category Irrigation (Secondary Canal)

Structure Earth Canal

Condition ABC D Problems Sedimentation; collapse of canal; leakage from canal; difficulty on maintenance of earth canal

Condition: A: Functioning well, B: Partially deteriorated, C: Not functioning well, D: Serious condition for operation 3 - 136 Location of District NORTH SUMATRA LEGEND PROVINCE

Capital Town of District MEDAN N Sub-District Town

Provincial Boundary ACEH Lake Toba District Boundary

Sub-District Boundary

Provincial Road

District Road LANGKAT Ke Kutacane 35. Parit Lompaten DISTRICT River RIAU DELI SERDANG Irrigation Scheme

Ke Medan DISTRICT ACEH Semi-Technical Irrigation PROVINCE Mardinding Berastagi WEST SUMATRA Kota Bulun Simpang Irrigation Scheme KARO Empat DISTRICT Payung Barus Jahe Laubaleng Name of Scheme Registered Subject Area (Ha) Area (Ha) Tiga Bunanga Munte KABANJAHE 35. Parit Lompaten 1,242 ST 1,242

Ke Tiga Lingga 0 ST : Semi-Technical Irrigation Juhar Parinte 5 10 15 20 Km SIMALUNGUN SCALE Merek DISTRICT

Location of Sub-District DAIRI DISTRICT A Kec. Mardiding A B Kec. Lau Baleng C E C Kec. Kuta Buluh D F Ke Sidikalang B D Kec. Payung E Kec. Simpang Empat K Kec. Berastagi G F I G Kec. Tiga Binangka H J H Kec. Munthe I Kec. Kabanjahe J Kec. Tiga Panah L K Kec. Barus jahe M L Kec. Juhar M Merek

The Study on Comprehensive Recovery Program of Irrigation Agriculture Location Map of Irrigation Schemes in Karo District Japan International Cooperation Agency North Sumtera Province 35. Parit Lompaten Scheme (1/4) I. PROJECT FUNDAMENTALS I.1 General (1) Code Number : 120038000 (7) Number of Farmers : Not available (2) Name of Irrigation Scheme : Parit Lompaten (8) Water Resource River : Lau Bengap (3) District (Kabupaten) : Karo (9) Catchment Area (km2) : 200 (4) Sub-district (Kecamatan) : Tiga Binanga (10) Original / Last Rehabilittion Year : 1983 (5) Registered Area (ha) : 1,242 (6) Technical Level : Semi Technical

I.2 Availability of Reports/Documents & References (A : Available, B : Available but partially, C : Not available/ No plan) a. Design Reports of Existing System(Full set) b. Irrigation diagram c. As-built drawings d. Structure lists & diagram CCAC e. Rehabilitation plan & its references f. Crops and yield data g. Cropping Calender h. WUAs data C

II. SUBJECT AREA FOR REHABILITATION PLAN II.1 Present and Planned Land Use Category Present (ha) Plan (ha) Increment (ha) a. Irrigated paddy field 619 1,241 622 b. Rainfed paddy field 621 0 -621 c. Upland field 2 0 -2 d. Uncultivated land 0 0 0 e. Non-irrigable land 0 1 1 Total 1,242 1,242 0

III. AGRICULTURE III.1 Present/Before Project Condition (1) Irrigation Performance and Crop Production Cropped Area in Irrigated Paddy Field 1/Annual Irrigated Paddy Yield (GKG Crop Production (ton) 2/ Season Paddy (ha) Palawija Others (ha) Total (ha) Intensity ton/ha) Paddy Palawija Others Season I (wet) 619 619 30% 4.0 3,588 Season II (dry I) 0 Season III (dry II) 325 325 16% 4.0 1,300 Total/Annual 944 0 0 944 46% 4.0 4,888 0 0 1/: Include paddy grown under rainfed condition (294ha) 2/: Irrigated & rainfed paddy (2) Problems and Constraints A. Irrigation & Agriculture Performances - Irrigation water supply limited even in wet season (294ha); dry season irrigated area also limited (325ha) - Double cropping of paddy introduced; existing of paddy grown under rainfed condition; paddy yield levels still low; palawija not yet introduced B. Primary Constraint Identified through the Inventory Survey by the JICA Study - Irrigation & Drainage: Water shortage at on-farm level in dry season - Palawija Marketing: Low marketing prices - Agronomic Issues: Damage caused by rat - Farmers Organizations: No collaboration among KTs - Paddy Marketing: Low marketing prices - Extension Services: Implementation of extension programs is limited

III.2 Development Plan (1) Development Approaches - Ensuring year round irrigation water supply at on-farm level through rehabilitation - Introduction of double cropping of paddy; productivity increase of paddy through intensification; introduction of palawija in dry season II - Strengthening of extension activities tailored to area specific needs; empowerment of farmer groups (KTs) to establish agri-business oriented KTs (2) Planned Irrigation Performances and Crop Production Cropped Area in Irrigated Paddy Field Annual Irrigated Paddy Yield (GKG Crop Production (ton) Season Paddy (ha) Palawija Others (ha) Total (ha) Intensity ton/ha) Paddy Palawija Others Season I (wet) 1,241 1,241 100% 5.0 6,205 Season II (dry I) 0 Season III (dry II) 869 124 993 80% 5.0 4,345 620 Total/Annual 2,110 124 0 2,234 180% 5.0 10,550 620 0 Annual Increment 1,166 124 0 1,290 134% 1.0 5,662 620 0

IV. WUAs IV.1 Existing Condition (1) Number a. Target; 4 b. Established; 4 c. Not yet; 0 Registered 0 Performance a. Developed; 0 b. Under developing; 0 c. Not yet; 4 Not yet registered 4

(2) Problems and Constraints Operation Maintenance Management

(3) Causes of Problems and Constraints (No activity)

IV.2 Development Plan (1) Proposed Countermeasures - Activation of WUA O&M works.

(2) Development Plan - WUA empowerment training.

㩷 3 - 137 North Sumatera Province 35. Parit Lompaten Scheme (2/4) V. IRRIGATION FACILITY V.1 Existing Condition (1) Overall Irrigation System: D (A: Functioning well, B: Partially deteriorated, C: Not functioning well, D: Serious condition for operation) Water Resources Facility : D Main Canal System : C Secondary Canal System : D On-farm : D (2) Water Resources Facilty a. Type of facility : Headworks e. Scouring sluice gate : 0 nos. i. Condition : D b. Type of weir : Fixed weir f. Intake gate : 1 nos. (A: Functioning well, B: Partially deteriorated, C: Not c. Length of weir : 25 m g. Settling basin : not provided functioning well, D: Serious condition for operation) d. Design intake discharge : 1.5 m3/s h. Inspection bridge : not provided (no info.: no information)

(3) Irrigation Canal and Inspection Road Canal Lined (m) Unlined Total (m) Structure (nos) Inspection road (m) Condition (A: Functioning well, Main 1,800 9,980 11,780 46 11,780 C B: Partially deteriorated, Secondary 256 14,262 14,518 14 14,518 D C: Not functioning well, D: Serious condition for (4) Major Problems and Constrains operation) - Water Resources Facility Physical operational problem on flood/scouring sluice gate(s) of headworks Lower strength against design load due to rust, decay of steel materials of intake gate(s)

- Irrigation Canal and Related Structure Sedimentation or obstruction of water flow General O&M problems Difficulty on maintenance of earth canal Lower function of regulating structure on canal Difficulty on O&M (5) Causes of Major Problems and Constraints - Water Resources Facility Improper design, installation and/or maintenance of flood/scouring sluice gate(s); breakdown of hoist, stem, guide frame or leaf No over coating on intake gate(s) to prevent rust and decay

- Irrigation Canal and Related Structure No provision of settling basin(sediments), improper management of canal (sediments, water plant) No kilo and hectometer post, no structure plate or mark on structures and no identification for repair/maintenance Fallen down and collapse of side slope, water plants or weed at inside of canal Deterioration of regulating structure on canal, especially gate and metal works No provision or damage of inspection road, difficulty on passing of inspection road due to damage, broken V.2 Development Plan (1) Proposed Countermeasures for Major Problems - Water Resources Facility Replacement of control system or damaged equipment of flood/scouring sluice gate(s) Provision of overcoat or replacement of intake gate(s) of headworks

- Irrigation Canal and Related Structure Removal of sediment soil and foreign materials from canal, grass cutting Provision of kilo, hect-m posts, marking to each structure with structure name Provision of concrete lining Replacement and reconstruction of regulating structure on canal Provision or repair of inspection road with all weather type/pavement (2) Water Resources Facility Dam/Headworks body: large rehabilitation Intake, civil: large rehabilitation Intake, mechanical : large rehabilitation Settling basin : replacement or new (3) Irrigation Canal and Related Structure Works No rehabilitation Rehabilitation New construction Total Main 0 11,780 1,178 12,958 Canal (m) Secondary 0 14,518 2,904 17,422 Structure Main 0 46 9 55 (nos) Secondary 0 14 5 19

(4) On-farm Development (Unit: ha) a. Potential Irrigated paddy field 619 d. Non-potential paddy field 0 b. Potential non-irrigated paddy field 621 e. Non-potenttial non-paddy field 0 c. Potential non-paddy field 2Total 1,242

(5) Rehabilitation Cost (Direct Cost) (Unit: Million Rp.) On-Farm Project Cost W.R.F Irrigation Drainage Total Develop. Facility per ha 2,249 37,084 3,708 2,871 1,260 47,172 38.0 (W.R.F: Water Resources Facility, Develop.: Development)

VI. PROJECT EVALUATION VI.1 EIRR 8.9%

VI.3 Priority Group Group VI: Development by other category VI.4 Priority Ranking in the Province - (High rehabilitation cost)

㩷 3 - 138 North Sumatera Province 35. Parit Lompaten Scheme (3/4)

Scheme Parit Lompaten District Karo

Technical Level Semi-technical Registered Area 1,242 ha Year of Construction 1983 Category Irrigation (Headworks)

Structure Fixed Weir

Condition ABC D Problems Crack or damage on weir crest; settlement of weir body; damage of retaining wall

Category Irrigation (Headworks)

Structure Intake Gate

Category Irrigation (Main Canal)

Structure Division structure

Condition ABC D Problems Lower function of division structure; physical operation problem on structure; sedimentation at inside of canal.

Condition: A: Functioning well, B: Partially deteriorated, C: Not functioning well, D: Serious condition for operation 3 - 139 North Sumatera Province 35. Parit Lompaten Scheme (4/4)

Scheme Parit Lompaten District Karo

Technical LevelSemi-technical Registered Area 1,242 ha Year of Construction 1983 Category Irrigation (Main Canal)

Structure Canal

Condition ABC D Problems Sedimentation; collapse of canal; leakage from canal; and no function of inspection road.

Category Irrigation (Secondary Canal)

Structure Earth Canal

Condition ABC D Problems Sedimentation; collapse of canal; leakage from canal; difficulty on maintenance of earth canal; and no function of inspection road.

Category

Structure

Condition ABC D Problems

Condition: A: Functioning well, B: Partially deteriorated, C: Not functioning well, D: Serious condition for operation 3 - 140 Location of District LEGEND N NORTH SUMATRA PROVINCE Capital City of Province MEDAN Capital Town of District

Municipal City 36. Bandar Sidoras ACEH Sub-District Town Lake Toba 41.Rantau Panjang Ke Langkat District Boundary

Sub-District Boundary M a l a c c a S t r a i t s Provincial Road 42. Pekan Kemis River Hamparan Percut 38. Sei Belutu Pantai Cermin RIAU Perak Sei Tuan 40. Medan Krio Patumbak Irrigation Scheme Pantai Labu 44. Paya Lombang MEDAN 37. Namo Rambe LUBUK Technical Irrigation PAKAM 39. Langau Teluk Mengkudu Ke Binjai Perbuangan WEST SUMATRA Semi-Technical Irrigation

Pancurbatu Irrigation Scheme DELI SERDANG Bedagei DISTRICT Sungai Name of Scheme Registered Subject Kulalimbaru Rempah LANGKAT Area (Ha) Area (Ha) Pekan Bandar Kalipah DISTRICT 36. Bandar Sidoras 3,017 ST 3,457 Talun Kenas Bangun 37. Namo Rambe 1,036 T 1,036 0 5 10 20 Km 38. Sei Belutu Purba Pekan Dlok Masihul 15 5,082 ST 5,076 Sibolangit 39. Langau 2,000 ST 1,900 SCALE 40 Medan Krio 3,016 T 3,000 Koratih TEBING 41. Rantau Panjang 2,309 ST 2,309 Tiga Juhar TINGGI 42. Pekan Kamis 1,100 ST 1,100 44. Paya Lobang 1,558 ST 1,558 ASAHAN Sipispis DISTRICT T : Technical Irrigation Ke Sibolangit Bajalingge B ST : Semi-Technical Irrigation A C F Location of Sub-District E I A Kec. Hamparan Perak Q Kec. Perbaungan D H Gunung Merlah J G B Kec. Labuhan deli R Kec. Teluk Mengkudu Q R C Kec. Percut Sei Tuan S Kec. Sibolangit Ke Pematang Siantar O P KARO D Kec. Batang Kuis T Kec. Sibiru-Biru SIMALUNGUN N Y DISTRICT K L X E Kec. Patumbak U Kec. STM Hilir M F Kec. Pantai Labu V Kec. Bangun Purba DISTRICT W AD U G Kec. Lubuk Pakam W Kec. Galang T V H Kec. Beringin X Kec. Sei Rempah AB S AA AC I Kec. Pantai Cermin Y Kec. Tanjung Beringin J Kec. Sunggal Z Kec. STM Hulu Z K Kec. Kotarih AA Kec. Kutalimbaru AG L Kec. Pancurbatu AB Kec. Dolok Masihul M Kec. Namorambe AC Kec. Tebing Tinggi AF AE N Kec. Deli Tua AD Kec. Bandar Kalifah O Kec. Tanjung Morawa AE Kec. Gunung Meriah P Kec. Pagar Merbau AF Kec. Sipispis AG Kec. Dolok Merawan

The Study on Comprehensive Recovery Program of Irrigation Agriculture Location Map of Irrigation Schemes in Deli Serdang District Japan International Cooperation Agency North Sumatera Province 36. Bandar Sidoras Scheme (1/4) I. PROJECT FUNDAMENTALS I.1 General (1) Code Number : 120001000 (7) Number of Farmers : Not available (2) Name of Irrigation Scheme : Bandar Sidoras (8) Water Resource River : Sei Percut (3) District (Kabupaten) : Deli Serdang (9) Catchment Area (km2) : 166.3 (4) Sub-district (Kecamatan) : Percut Seli Tuan, L. Deli (10) Original / Last Rehabilittion Year : 1985 (5) Registered Area (ha) : 3,017 (6) Technical Level : Semi Technical

I.2 Availability of Reports/Documents & References (A : Available, B : Available but partially, C : Not available/ No plan) a. Design Reports of Existing System(Full set) b. Irrigation diagram c. As-built drawings d. Structure lists & diagram B ACC e. Rehabilitation plan & its references f. Crops and yield data g. Cropping Calender h. WUAs data C

II. SUBJECT AREA FOR REHABILITATION PLAN II.1 Present and Planned Land Use Category Present (ha) Plan (ha) Increment (ha) a. Irrigated paddy field 2,462 3,457 995 b. Rainfed paddy field 995 0 -995 c. Upland field 0 0 0 d. Uncultivated land 0 0 0 e. Non-irrigable land 0 0 0 Total 3,457 3,457 0

III. AGRICULTURE III.1 Present/Before Project Condition (1) Irrigation Performance and Crop Production Cropped Area in Irrigated Paddy FieldAnnual Irrigated Paddy Yield Crop Production (ton) 1/ Season Paddy (ha) Palawija Others (ha) Total (ha) Intensity (GKG ton/ha) Paddy Palawija Others Season I (wet) 2,462 2,462 100% 4.5 13,567 Season II (dry I) 0 Season III (dry II) 1,970 1,970 80% 4.0 7,880 Total/Annual 4,432 0 0 4,432 180% 4.3 21,447 0 0 2/: Irrigated & rainfed paddy (2) Problems and Constraints A. Irrigation & Agriculture Performances - Irrigation water supply limited in dry season; existing of rainfed field (995ha); flooding problems reported - Double cropping of paddy introduced; paddy yield levels moderate; palawija not yet introduced B. Primary Constraint Identified through the Inventory Survey by the JICA Study - Irrigation & Drainage: Flooding - Palawija Marketing: Low marketing prices - Agronomic Issues: Farmers not following recommended practices - Farmers Organizations: Most members are not active - Paddy Marketing: Low marketing prices - Extension Services: Implementation of extension programs is limited

III.2 Development Plan (1) Development Approaches - Expansion of irrigated area and ensuring year round water supply through rehabilitation & upgrading - Introduction of double cropping of paddy; productivity increase of paddy through further intensification; introduction of palawija in dry season II - Strengthening of extension activities tailored to area specific needs; empowerment of farmer groups (KTs) to establish agri-business oriented KTs (2) Planned Irrigation Performances and Crop Production Cropped Area in Irrigated Paddy Field Annual Irrigated Paddy Yield Crop Production (ton) Season Paddy (ha) Palawija Others (ha) Total (ha) Intensity (GKG ton/ha) Paddy Palawija Others Season I (wet) 3,457 3,457 100% 5.5 19,014 Season II (dry I) 0 Season III (dry II) 2,766 346 3,112 90% 5.0 13,830 1,730 Total/Annual 6,223 346 0 6,569 190% 5.3 32,844 1,730 0 Annual Increment 1,791 346 0 2,137 10% 1.0 11,397 1,730 0

IV. WUAs IV.1 Existing Condition (1) Number a. Target; 24 b. Established; 5 c. Not yet; 19 Registered 0 Performance a. Developed; 0 b. Under developing; 5 c. Not yet; 0 Not yet registered 5

(2) Problems and Constraints Operation Maintenance Management

(3) Causes of Problems and Constraints - Low awareness of farmers to organize water users.

IV.2 Development Plan (1) Proposed Countermeasures - Acceleration of WUA establishment.

(2) Development Plan - WUA empowerment training.

3 - 141 North Sumatera Province 36. Bandar Sidoras Scheme (2/4) V. IRRIGATION FACILITY V.1 Existing Condition (1) Overall Irrigation System: D (A: Functioning well, B: Partially deteriorated, C: Not functioning well, D: Serious condition for operation) Water Resources Facility : D Main Canal System : D Secondary Canal System : D On-farm : D (2) Water Resources Facilty a. Type of facility : Headworks e. Scouring sluice gate : 2 nos. i. Condition : D b. Type of weir : Fixed weir f. Intake gate : 4 nos. (A: Functioning well, B: Partially deteriorated, C: Not c. Length of weir : 73 m g. Settling basin : not provided functioning well, D: Serious condition for operation) d. Design intake discharge : 6.8 m3/s h. Inspection bridge : provided (no info.: no information)

(3) Irrigation Canal and Inspection Road Canal Lined (m) Unlined Total (m) Structure (nos) Inspection road (m) Condition (A: Functioning well, Main 491 899 1,390 3 0 D B: Partially deteriorated, Secondary 9,365 28,096 37,461 35 0 D C: Not functioning well, D: Serious condition for (4) Major Problems and Constrains operation) - Water Resources Facility Incline, settlement, or deflection of pier of weir Lower strength against design load due to rust, decay of steel materials of flood/scouring sluice gate(s) Insufficient diversion water due to sedimentation in front of intake - Irrigation Canal and Related Structure Sedimentation or obstruction of water flow General O&M problems Difficulty on maintenance of earth canal Lower function of regulating structure on canal Difficulty on O&M (5) Causes of Major Problems and Constraints - Water Resources Facility Insufficient strength of weir foundation or not enough foundation treatment No over coating on flood/scouring sluice gate(s) to prevent rust and decay Sedimentation in front of intake - Irrigation Canal and Related Structure No provision of settling basin(sediments), improper management of canal (sediments, water plant) No kilo and hectometer post, no structure plate or mark on structures and no identification for repair/maintenance Fallen down and collapse of side slope, water plants or weed at inside of canal Deterioration of regulating structure on canal, especially gate and metal works No provision or damage of inspection road, difficulty on passing of inspection road due to damage, broken V.2 Development Plan (1) Proposed Countermeasures for Major Problems - Water Resources Facility Reconstruction of pier of weir Provision of overcoat or replacement of flood/scouring sluice gate(s) of headworks Dredging or flushing of sediment, proper gate operation of headworks and intake - Irrigation Canal and Related Structure Removal of sediment soil and foreign materials from canal, grass cutting Provision of kilo, hect-m posts, marking to each structure with structure name Provision of concrete lining Replacement and reconstruction of regulating structure on canal Provision or repair of inspection road with all weather type/pavement (2) Water Resources Facility Dam/Headworks body: replacement or new Intake, civil: large rehabilitation Intake, mechanical : replacement or new Settling basin : replacement or new (3) Irrigation Canal and Related Structure Works No rehabilitation Rehabilitation New construction Total Main 0 1,390 139 1,529 Canal (m) Secondary 0 37,461 7,492 44,953 Structure Main 0 3 1 4 (nos) Secondary 0 35 12 47

(4) On-farm Development (Unit: ha) a. Potential Irrigated paddy field 2,462 d. Non-potential paddy field 0 b. Potential non-irrigated paddy field 995 e. Non-potenttial non-paddy field 0 c. Potential non-paddy field 0Total 3,457

(5) Rehabilitation Cost (Direct Cost) (Unit: Million Rp.) On-Farm Project Cost W.R.F Irrigation Drainage Total Develop. Facility per ha 12,725 57,797 5,780 7,597 1,570 85,468 24.7 (W.R.F: Water Resources Facility, Develop.: Development)

VI. PROJECT EVALUATION VI.1 EIRR 10.9%

VI.3 Priority Group Group V: Acceralation of WUAs establishment VI.4 Priority Ranking in the Province -

3 - 142 North Sumatera Province 36. Bandar Sidoras Scheme (3/4)

Scheme Bandar Sidoras District Deli Serdang

Technical Level Semi-technical Registered Area 3,017 ha Year of Construction 1985 Category Irrigation (Headworks)

Structure Fixed Weir

Condition ABC D Problems Fallen down, incline or washed away of retaining wall of weir; washed away of stilling basin

Category Irrigation (Headworks)

Structure Intake Gate

Category Irrigation (Main Canal)

Structure Division structure

Condition ABC D Problems Damaged and no function

Condition: A: Functioning well, B: Partially deteriorated, C: Not functioning well, D: Serious condition for operation 3 - 143 North Sumatera Province 36. Bandar Sidoras Scheme (4/4)

Scheme Bandar Sidoras District Deli Serdang

Technical LevelSemi-technical Registered Area 3,017 ha Year of Construction 1985 Category Irrigation (Main Canal)

Structure Earth Canal

Condition ABC D Problems Sedimentation; collapse of canal; leakage from canal; difficulty on maintenance of earth canal; and no function of inspection road.

Category Irrigation (Secondary Canal)

Structure Off-take Structure

Condition ABC D Problems Lower function of off-take structure; physical operation problem on structure; broken at steel gates.

Category Irrigation (Secondary Canal)

Structure Masonry Lined Canal

Condition ABC D Problems Sedimentation; leakage from lined canal; crack or damage on lined canal; defflection of lining toward inside of canal; and no inspection road

Condition: A: Functioning well, B: Partially deteriorated, C: Not functioning well, D: Serious condition for operation 3 - 144 North Sumatera Province 37. Namu Rambe Scheme (1/4) I. PROJECT FUNDAMENTALS I.1 General (1) Code Number : 120004000 (7) Number of Farmers : Not available (2) Name of Irrigation Scheme : Namu Rambe (8) Water Resource River : Sungai Deli (3) District (Kabupaten) : Deli Serdang (9) Catchment Area (km2) : 260.4 (4) Sub-district (Kecamatan) : Namu Rambe (10) Original / Last Rehabilittion Year : 1966 (5) Registered Area (ha) : 1,036 (6) Technical Level : Technical

II. SUBJECT AREA FOR REHABILITATION PLAN II.1 Present and Planned Land Use Category Present (ha) Plan (ha) Increment (ha) a. Irrigated paddy field 1,036 1,036 0 b. Rainfed paddy field 0 0 0 c. Upland field 0 0 0 d. Uncultivated land 0 0 0 e. Non-irrigable land 0 0 0 Total 1,036 1,036 0

(2) Problems and Constraints A. Irrigation & Agriculture Performances - No irrigation water supply in dry season - Only single cropping of paddy in wet season practiced; annual intensity low; paddy yield levels still low; B. Primary Constraint Identified through the Inventory Survey by the JICA Study - Irrigation & Drainage: Poor O&M at main & 2ry canals - Palawija Marketing: Low marketing prices - Agronomic Issues: Farmers not following recommended practices - Farmers Organizations: Most members are not active - Paddy Marketing: Low marketing prices - Extension Services: Shortage of operation funds of PPLs

III.2 Development Plan (1) Development Approaches - Ensuring irrigation water supply in dry season at on-farm level through rehabilitation - Introduction of double cropping of paddy; productivity increase of paddy through intensification; introduction of palawija in dry season II - Strengthening of extension activities tailored to area specific needs; empowerment of farmer groups (KTs) to establish agri-business oriented KTs (2) Planned Irrigation Performances and Crop Production Cropped Area in Irrigated Paddy Field Annual Irrigated Paddy Yield (GKG Crop Production (ton) Season Paddy (ha) Palawija Others (ha) Total (ha) Intensity ton/ha) Paddy Palawija Others Season I (wet) 1,036 1,036 100% 5.0 5,180 Season II (dry I) 0 Season III (dry II) 622 207 829 80% 5.0 3,110 1,035 Total/Annual 1,658 207 0 1,865 180% 5.0 8,290 1,035 0 Annual Increment 622 (79) 0 543 52% 1.0 4,146 319 0

IV. WUAs IV.1 Existing Condition (1) Number a. Target; 11 b. Established; 8 c. Not yet; 3 Registered 6 Performance a. Developed; 0 b. Under developing; 7 c. Not yet; 1 Not yet registered 2

(2) Problems and Constraints Operation Maintenance Management

(3) Causes of Problems and Constraints (No activity)

IV.2 Development Plan (1) Proposed Countermeasures - Activation of WUA O&M works.

(2) Development Plan - WUA empowerment training.

3 - 145 North Sumatera Province 37. Namu Rambe Scheme (2/4) V. IRRIGATION FACILITY V.1 Existing Condition (1) Overall Irrigation System: D (A: Functioning well, B: Partially deteriorated, C: Not functioning well, D: Serious condition for operation) Water Resources Facility : D Main Canal System : D Secondary Canal System : D On-farm : D (2) Water Resources Facilty a. Type of facility : Headworks e. Scouring sluice gate : 2 nos. i. Condition : D b. Type of weir : Fixed weir f. Intake gate : 2 nos. (A: Functioning well, B: Partially deteriorated, C: Not c. Length of weir : 50 m g. Settling basin : provided functioning well, D: Serious condition for operation) d. Design intake discharge : 2.1 m3/s h. Inspection bridge : not provided (no info.: no information)

(3) Irrigation Canal and Inspection Road Canal Lined (m) Unlined Total (m) Structure (nos) Inspection road (m) Condition (A: Functioning well, Main 2,193 3,597 5,790 65 0 D B: Partially deteriorated, Secondary 200 10,836 11,036 23 0 D C: Not functioning well, D: Serious condition for (4) Major Problems and Constrains operation) - Water Resources Facility Physical O&M problem due to overage facility Leakage from foundation and/or settlement of weir Insufficient diversion water due to sedimentation in front of intake - Irrigation Canal and Related Structure Sedimentation or obstruction of water flow Impassable of inspection road along canal General O&M problems Difficulty on maintenance of earth canal Physical operation problem on regulating structure on canal (5) Causes of Major Problems and Constraints - Water Resources Facility Deterioration of weir, no or insufficient rehabilitation due to budget problem Insufficient length of weir apron, not enough foundation treatment Sedimentation in front of intake - Irrigation Canal and Related Structure Insufficient function of settling basin(sediments), improper management of canal (sediments, water plant) Improper routine O&M works due to no or narrow wide of road, slope erosion by rainfall then in flow into canal No kilo and hectometer post, no structure plate or mark on structures and no identification for repair/maintenance Fallen down and collapse of side slope, water plants or weed at inside of canal Deterioration, breakdown and/or insufficient maintenance of gate(s) for regulating structure on canal V.2 Development Plan (1) Proposed Countermeasures for Major Problems - Water Resources Facility Replacement and reconstruction of weir and settling basin Grouting or adding concrete for weir crest Dredging or flushing of sediment, proper gate operation of headworks and intake - Irrigation Canal and Related Structure Removal of sediment soil and foreign materials from canal, grass cutting Provision of inspection road both main and secondary canal with pavement Provision of kilo, hect-m posts, marking to each structure with structure name Provision of concrete lining Replacement of gate(s) for regulating structure on canal (2) Water Resources Facility Dam/Headworks body: large rehabilitation Intake, civil: large rehabilitation Intake, mechanical : large rehabilitation Settling basin : replacement or new (3) Irrigation Canal and Related Structure Works No rehabilitation Rehabilitation New construction Total Main 0 5,790 0 5,790 Canal (m) Secondary 0 11,036 0 11,036 Structure Main 0 65 6 72 (nos) Secondary 0 23 5 28

(4) On-farm Development (Unit: ha) a. Potential Irrigated paddy field 1,036 d. Non-potential paddy field 0 b. Potential non-irrigated paddy field 0 e. Non-potenttial non-paddy field 0 c. Potential non-paddy field 0Total 1,036

(5) Rehabilitation Cost (Direct Cost) (Unit: Million Rp.) On-Farm Project Cost W.R.F Irrigation Drainage Total Develop. Facility per ha 2,428 22,472 2,247 2,124 1,260 30,532 29.5 (W.R.F: Water Resources Facility, Develop.: Development)

VI. PROJECT EVALUATION VI.1 EIRR 9.8%

VI.3 Priority Group Group VI: Development by other category VI.4 Priority Ranking in the Province - (High rehabilitation cost)

3 - 146 North Sumatera Province 37. Namu Rambe Scheme (3/4)

Scheme Namu Rambe District Deli Serdang

Technical Level Technical Registered Area 1,036 ha Year of Construction 1966 Category Irrigation (Headworks)

Structure Fixed Weir

Condition ABC D Problems Totally damaged (right side is serious condition)

Category Irrigation (Headworks)

Structure Intake Gate

Category Irrigation (Main Canal)

Structure Off-take Structure

Condition ABC D Problems Lower function of structure due to sedimentation in front of off-take gate; physical operation problem on structure;sedimentation at canal.

Condition: A: Functioning well, B: Partially deteriorated, C: Not functioning well, D: Serious condition for operation 3 - 147 North Sumatera Province 37. Namu Rambe Scheme (4/4)

Scheme Namu Rambe District Deli Serdang

Technical LevelTechnical Registered Area 1,036 ha Year of Construction 1966 Category Irrigation (Main Canal)

Structure Masonry Lined Canal

Condition ABC D Problems Sedimentation; leakage from lined canal; crack or damage on lined canal; defflection of lining toward inside of canal; and no inspection road

Category Irrigation (Secondary Canal)

Structure Canal

Condition ABC D Problems Sedimentation; collapse of canal; leakage from canal; difficulty on maintenance of earth canal; no inspection road.

Category

Structure

Condition ABC D Problems

Condition: A: Functioning well, B: Partially deteriorated, C: Not functioning well, D: Serious condition for operation 3 - 148 North Sumatera Province 38. Sei Belutu Scheme (1/4) I. PROJECT FUNDAMENTALS I.1 General (1) Code Number : 120022000 (7) Number of Farmers : Not available (2) Name of Irrigation Scheme : Sei Belutu (8) Water Resource River : Sei Belutu (3) District (Kabupaten) : Deli Serdang (9) Catchment Area (km2) : 930 (4) Sub-district (Kecamatan) : Sei Rampah (10) Original / Last Rehabilittion Year : 1963 (5) Registered Area (ha) : 5,082 (6) Technical Level : Semi Technical

I.2 Availability of Reports/Documents & References (A : Available, B : Available but partially, C : Not available/ No plan) a. Design Reports of Existing System(Full set) b. Irrigation diagram c. As-built drawings d. Structure lists & diagram CCCC e. Rehabilitation plan & its references f. Crops and yield data g. Cropping Calender h. WUAs data C

II. SUBJECT AREA FOR REHABILITATION PLAN II.1 Present and Planned Land Use Category Present (ha) Plan (ha) Increment (ha) a. Irrigated paddy field 5,076 5,076 0 b. Rainfed paddy field 0 0 0 c. Upland field 0 0 0 d. Uncultivated land 0 0 0 e. Non-irrigable land 0 0 0 Total 5,076 5,076 0

III. AGRICULTURE III.1 Present/Before Project Condition (1) Irrigation Performance and Crop Production Cropped Area in Irrigated Paddy Field 1/Annual Irrigated Paddy Yield (GKG Crop Production (ton) 2/ Season Paddy (ha) Palawija Others (ha) Total (ha) Intensity ton/ha) Paddy Palawija Others Season I (wet) 5,076 5,076 100% 4.0 18,720 Season II (dry I) 0 Season III (dry II) 4,020 4,020 79% 3.5 14,070 Total/Annual 9,096 0 0 9,096 179% 3.8 32,790 0 0 1/: Include paddy grown under rainfed condition (1056ha) 2/: Irrigated & rainfed paddy (2) Problems and Constraints A. Irrigation & Agriculture Performances - High irrigation performances attained in actually irrigated area, however not irrigated areas even in wet season (1,056ha); flooding problem reported - Double cropping of paddy in the entire actually irrigated area practiced; paddy grown under rainfed condition in irrigated area, yield levels stil low B. Primary Constraint Identified through the Inventory Survey by the JICA Study - Irrigation & Drainage: Flooding - Palawija Marketing: Limited market outlet - Agronomic Issues: Infestation of pest & diseases - Farmers Organizations: Most members are not active - Paddy Marketing: Low marketing prices - Extension Services: KTs are less interested in extension services

III.2 Development Plan (1) Development Approaches - Ensuring year round irrigation water supply at on-farm level through rehabilitation - Expansion of double cropped area of paddy; productivity increase of paddy through intensification; introduction of palawija in dry season II - Strengthening of extension activities tailored to area specific needs; empowerment of farmer groups (KTs) to establish agri-business oriented KTs (2) Planned Irrigation Performances and Crop Production Cropped Area in Irrigated Paddy Field Annual Irrigated Paddy Yield (GKG Crop Production (ton) Season Paddy (ha) Palawija Others (ha) Total (ha) Intensity ton/ha) Paddy Palawija Others Season I (wet) 5,076 5,076 100% 5.0 25,380 Season II (dry I) 0 Season III (dry II) 4,568 254 4,822 95% 5.0 22,840 1,270 Total/Annual 9,644 254 0 9,898 195% 5.0 48,220 1,270 0 Annual Increment 548 254 0 802 16% 1.2 15,430 1,270 0

IV. WUAs IV.1 Existing Condition (1) Number a. Target; 51 b. Established; 8 c. Not yet; 43 Registered 7 Performance a. Developed; 0 b. Under developing; 7 c. Not yet; 1 Not yet registered 1

(2) Problems and Constraints Operation Maintenance Management

(3) Causes of Problems and Constraints - Less attention to WUA activities among farmers.

IV.2 Development Plan (1) Proposed Countermeasures - Acceleration of WUA establishment.

(2) Development Plan - WUA empowerment training.

3 - 149 North Sumatera Province 38. Sei Belutu Scheme (2/4) V. IRRIGATION FACILITY V.1 Existing Condition (1) Overall Irrigation System: D (A: Functioning well, B: Partially deteriorated, C: Not functioning well, D: Serious condition for operation) Water Resources Facility : D Main Canal System : D Secondary Canal System : D On-farm : D (2) Water Resources Facilty a. Type of facility : Free Intake e. Scouring sluice gate : - i. Condition : D b. Type of weir : - f. Intake gate : 3 nos. (A: Functioning well, B: Partially deteriorated, C: Not c. Length of weir : - g. Settling basin : not provided functioning well, D: Serious condition for operation) d. Design intake discharge : 10.0 m3/s h. Inspection bridge : - (no info.: no information)

(3) Irrigation Canal and Inspection Road Canal Lined (m) Unlined Total (m) Structure (nos) Inspection road (m) Condition (A: Functioning well, Main 100 150 250 1 0 D B: Partially deteriorated, Secondary 9,000 16,750 25,750 20 0 D C: Not functioning well, D: Serious condition for (4) Major Problems and Constrains operation) - Water Resources Facility Unstable diversion water due to river water level fluctuation Insufficient diversion water due to sedimentation in front of intake Inflow of bed loads into canal and decrease canal flow capacity - Irrigation Canal and Related Structure Sedimentation or obstruction of water flow Impassable of inspection road along canal General O&M problems Difficulty on maintenance of earth canal Difficulty on O&M (5) Causes of Major Problems and Constraints - Water Resources Facility No provision of diversion weir Sedimentation in front of intake No provision of settling basin, no proper gate operation of intake during flood - Irrigation Canal and Related Structure No provision of settling basin(sediments), improper management of canal (sediments, water plant) Improper routine O&M works due to no or narrow wide of road, slope erosion by rainfall then in flow into canal No kilo and hectometer post, no structure plate or mark on structures and no identification for repair/maintenance Fallen down and collapse of side slope, water plants or weed at inside of canal No provision or damage of inspection road, difficulty on passing of inspection road due to damage, broken V.2 Development Plan (1) Proposed Countermeasures for Major Problems - Water Resources Facility Provision of new diversion weir Dredging or flushing of sediment, proper gate operation of headworks and intake Provision of settling basin, proper gate operation of intake during flood - Irrigation Canal and Related Structure Removal of sediment soil and foreign materials from canal, grass cutting Provision of inspection road both main and secondary canal with pavement Provision of kilo, hect-m posts, marking to each structure with structure name Provision of concrete lining Provision or repair of inspection road with all weather type/pavement (2) Water Resources Facility Dam/Headworks body: replacement or new Intake, civil: large rehabilitation Intake, mechanical : large rehabilitation Settling basin : replacement or new (3) Irrigation Canal and Related Structure Works No rehabilitation Rehabilitation New construction Total Main 0 250 25 275 Canal (m) Secondary 0 25,750 5,150 30,900 Structure Main 0 1 0 1 (nos) Secondary 0 20 7 27

(4) On-farm Development (Unit: ha) a. Potential Irrigated paddy field 5,076 d. Non-potential paddy field 0 b. Potential non-irrigated paddy field 0 e. Non-potenttial non-paddy field 0 c. Potential non-paddy field 0Total 5,076

(5) Rehabilitation Cost (Direct Cost) (Unit: Million Rp.) On-Farm Project Cost W.R.F Irrigation Drainage Total Develop. Facility per ha 10,098 36,203 3,620 10,406 2,590 62,917 12.4 (W.R.F: Water Resources Facility, Develop.: Development)

VI. PROJECT EVALUATION VI.1 EIRR 17.9%

VI.3 Priority Group Group V: Acceralation of WUAs establishment VI.4 Priority Ranking in the Province -

3 - 150 North Sumatera Province 38. Sei Belutu Scheme (3/4)

Scheme Sei Belutu District Deli Serdang

Technical Level Semi-technical Registered Area 5,082 ha Year of Construction 1963 Category Irrigation (Main Canal)

Structure Canal and Structure

Condition ABC D Problems Lower function of structure; physical operation problem on structure; no canal embankment and inspection road.

Category Irrigation (Secondary Canal)

Structure Canal

Condition ABC D Problems Lower function of structure; physical operation problem on structure; deterioration of steel gates.

Category Irrigation (Secondary Canal)

Structure Earth Canal

Condition ABC D Problems Sedimentation; collapse of canal; leakage from canal; difficulty on maintenance of earth canal; no provision of embankment and inspection road.

Condition: A: Functioning well, B: Partially deteriorated, C: Not functioning well, D: Serious condition for operation 3 - 151 North Sumatera Province 38. Sei Belutu Scheme (4/4)

Scheme Sei Belutu District Deli Serdang

Technical LevelSemi-technical Registered Area 5,082 ha Year of Construction 1963 Category Irrigation (Secondary Canal)

Structure Earth Canal

Condition ABC D Problems Sedimentation; collapse of canal; leakage from canal; difficulty on maintenance of earth canal; no provision of embankment and inspection road.

Category Irrigation (Secondary Canal)

Structure Canal and Paddy Cultivation

Condition ABC D Problems No facility

Category

Type

Condition ABC D Problems

Condition: A: Functioning well, B: Partially deteriorated, C: Not functioning well, D: Serious condition for operation 3 - 152 North Sumatera Province 39. Langau Scheme (1/4) I. PROJECT FUNDAMENTALS I.1 General (1) Code Number : 120023000 (7) Number of Farmers : Not available (2) Name of Irrigation Scheme : Langau (8) Water Resource River : Sei Padang (3) District (Kabupaten) : Deli Serdang (9) Catchment Area (km2) : 892.5 (4) Sub-district (Kecamatan) : T. Tinggi, Bandar Khalifah (10) Original / Last Rehabilittion Year : 1979 (5) Registered Area (ha) : 2,000 (6) Technical Level : Semi Technical

I.2 Availability of Reports/Documents & References (A : Available, B : Available but partially, C : Not available/ No plan) a. Design Reports of Existing System(Full set) b. Irrigation diagram c. As-built drawings d. Structure lists & diagram C CCC e. Rehabilitation plan & its references f. Crops and yield data g. Cropping Calender h. WUAs data C

II. SUBJECT AREA FOR REHABILITATION PLAN II.1 Present and Planned Land Use Category Present (ha) Plan (ha) Increment (ha) a. Irrigated paddy field 1,150 1,900 750 b. Rainfed paddy field 750 0 -750 c. Upland field 0 0 0 d. Uncultivated land 0 0 0 e. Non-irrigable land 0 0 0 Total 1,900 1,900 0

III. AGRICULTURE III.1 Present/Before Project Condition (1) Irrigation Performance and Crop Production Cropped Area in Irrigated Paddy Field 1/Annual Irrigated Paddy Yield (GKG Crop Production (ton) 2/ Season Paddy (ha) Palawija Others (ha) Total (ha) Intensity ton/ha) Paddy Palawija Others Season I (wet) 1,150 1,150 100% 4.0 5,901 Season II (dry I) 0 Season III (dry II) 767 767 67% 3.5 2,685 Total/Annual 1,917 0 0 1,917 167% 3.8 8,586 0 0 1/: Include paddy grown under rainfed condition (1056ha) 2/: Irrigated & rainfed paddy (2) Problems and Constraints A. Irrigation & Agriculture Performances - High irrigation performances attained in actually irrigated area, however not irrigated areas even in wet season (383ha); rainfed paddy field (750ha) - Double cropping of paddy in the entire actually irrigated area practiced; paddy under rainfed condition in irrigated area & rainfed field , yield low B. Primary Constraint Identified through the Inventory Survey by the JICA Study - Irrigation & Drainage: Water shortage at on-farm level in dry season - Palawija Marketing: - - Agronomic Issues: Farmers not following recommended practices - Farmers Organizations: No collaboration among KTs - Paddy Marketing: Limited bargaining power of farmers - Extension Services: -

III.2 Development Plan (1) Development Approaches - Ensuring year round irrigation water supply at on-farm level through rehabilitation - Expansion of double cropped area of paddy; productivity increase of paddy through intensification; introduction of palawija in dry season II - Strengthening of extension activities tailored to area specific needs; empowerment of farmer groups (KTs) to establish agri-business oriented KTs (2) Planned Irrigation Performances and Crop Production Cropped Area in Irrigated Paddy Field Annual Irrigated Paddy Yield (GKG Crop Production (ton) Season Paddy (ha) Palawija Others (ha) Total (ha) Intensity ton/ha) Paddy Palawija Others Season I (wet) 1,900 1,900 100% 5.0 9,500 Season II (dry I) 0 Season III (dry II) 1,330 95 1,425 75% 5.0 6,650 475 Total/Annual 3,230 95 0 3,325 175% 5.0 16,150 475 0 Annual Increment 1,313 95 0 1,408 8% 1.2 7,565 475 0

IV. WUAs IV.1 Existing Condition (1) Number a. Target; 19 b. Established; 3 c. Not yet; 16 Registered 0 Performance a. Developed; 0 b. Under developing; 1 c. Not yet; 2 Not yet registered 3

(2) Problems and Constraints Operation Maintenance Management

(3) Causes of Problems and Constraints - Insufficient irrigation water distribution.

IV.2 Development Plan (1) Proposed Countermeasures - Acceleration of WUA establishment.

(2) Development Plan - WUA empowerment training.

3 - 153 North Sumatera Province 39. Langau Scheme (2/4) V. IRRIGATION FACILITY V.1 Existing Condition (1) Overall Irrigation System: D (A: Functioning well, B: Partially deteriorated, C: Not functioning well, D: Serious condition for operation) Water Resources Facility : D Main Canal System : D Secondary Canal System : D On-farm : D (2) Water Resources Facilty a. Type of facility : Free Intake e. Scouring sluice gate : - i. Condition : D b. Type of weir : - f. Intake gate : 2 nos. (A: Functioning well, B: Partially deteriorated, C: Not c. Length of weir : - g. Settling basin : not provided functioning well, D: Serious condition for operation) d. Design intake discharge : 2.6 m3/s h. Inspection bridge : - (no info.: no information)

(3) Irrigation Canal and Inspection Road Canal Lined (m) Unlined Total (m) Structure (nos) Inspection road (m) Condition (A: Functioning well, Main 0 1,900 1,900 2 0 D B: Partially deteriorated, Secondary 350 2,750 3,100 9 0DC: Not functioning well, D: Serious condition for (4) Major Problems and Constrains operation) - Water Resources Facility Unstable diversion water due to river water level fluctuation Insufficient diversion water due to sedimentation in front of intake Inflow of bed loads into canal and decrease canal flow capacity - Irrigation Canal and Related Structure Sedimentation or obstruction of water flow Impassable of inspection road along canal General O&M problems Difficulty on maintenance of earth canal Difficulty on O&M (5) Causes of Major Problems and Constraints - Water Resources Facility Sedimentation in front of intake No provision of settling basin, no proper gate operation of intake during flood No over coating on intake gate(s) to prevent rust and decay - Irrigation Canal and Related Structure No provision of settling basin(sediments), improper management of canal (sediments, water plant) Improper routine O&M works due to no or narrow wide of road, slope erosion by rainfall then in flow into canal No kilo and hectometer post, no structure plate or mark on structures and no identification for repair/maintenance Fallen down and collapse of side slope, water plants or weed at inside of canal No provision or damage of inspection road, difficulty on passing of inspection road due to damage, broken V.2 Development Plan (1) Proposed Countermeasures for Major Problems - Water Resources Facility Dredging or flushing of sediment, proper gate operation of headworks and intake Provision of settling basin, proper gate operation of intake during flood Provision of overcoat or replacement of intake gate(s) of headworks - Irrigation Canal and Related Structure Removal of sediment soil and foreign materials from canal, grass cutting Provision of inspection road both main and secondary canal with pavement Provision of kilo, hect-m posts, marking to each structure with structure name Provision of concrete lining Provision or repair of inspection road with all weather type/pavement (2) Water Resources Facility Dam/Headworks body: replacement or new Intake, civil: replacement or new Intake, mechanical : replacement or new Settling basin : replacement or new (3) Irrigation Canal and Related Structure Works No rehabilitation Rehabilitation New construction Total Main 0 1,900 190 2,090 Canal (m) Secondary 0 3,100 620 3,720 Structure Main 0 2 0 2 (nos) Secondary 0 9 3 12

(4) On-farm Development (Unit: ha) a. Potential Irrigated paddy field 1,150 d. Non-potential paddy field 0 b. Potential non-irrigated paddy field 750 e. Non-potenttial non-paddy field 0 c. Potential non-paddy field 0Total 1,900

(5) Rehabilitation Cost (Direct Cost) (Unit: Million Rp.) On-Farm Project Cost W.R.F Irrigation Drainage Total Develop. Facility per ha 13,255 8,432 843 4,279 1,260 28,070 14.8 (W.R.F: Water Resources Facility, Develop.: Development)

VI. PROJECT EVALUATION VI.1 EIRR 19.5%

VI.3 Priority Group Group V: Acceralation of WUAs establishment VI.4 Priority Ranking in the Province -

3 - 154 North Sumatera Province 39. Langau Scheme (3/4)

Scheme Langau District Deli Serdang

Technical Level Semi-technical Registered Area 2,000 ha Year of Construction 1979 Category Irrigation (Free Intake)

Structure Intake Gate (Rear View)

Condition ABC D Problems Sediment in front of intake; leakage from gate leaf; insufficient strength against design load due to rust, decay of steel material; problem on management due to lack of periodically maintenance

Category Irrigation (Main Canal)

Structure Off-take Structure

Condition ABC D Problems Lower function of off-take structure; physical operation problem on off-take structure; sediment in canal.

Category Irrigation (Main Canal)

Structure Canal

Condition ABC D Problems Sedimentation; collapse of canal; leakage from canal; difficulty on maintenance of earth canal; no inspection road.

Condition: A: Functioning well, B: Partially deteriorated, C: Not functioning well, D: Serious condition for operation 3 - 155 North Sumatera Province 39. Langau Scheme (4/4)

Scheme Langau District Deli Serdang

Technical LevelSemi-technical Registered Area 2,000 ha Year of Construction 1979 Category Irrigation (Secondary Canal)

Structure Earth Canal

Condition ABC D Problems Sedimentation; collapse of canal; leakage from canal; difficulty on maintenance of earth canal; no control structure and inspection road.

Category Agriculture, On-Farm

Activity Paddy Cultivation

Condition ABC D Problems Low density of irrigation canals and farm roads.

Category

Type

Condition ABC D Problems

Condition: A: Functioning well, B: Partially deteriorated, C: Not functioning well, D: Serious condition for operation 3 - 156 North Sumatera Province 40. Medan Krio Scheme (1/4) I. PROJECT FUNDAMENTALS I.1 General (1) Code Number : 120027000 (7) Number of Farmers : Not available (2) Name of Irrigation Scheme : Medan Krio (8) Water Resource River : Sei Tuntungan (3) District (Kabupaten) : Deli Serdang (9) Catchment Area (km2) : 43 (4) Sub-district (Kecamatan) : Sunggal (10) Original / Last Rehabilittion Year : 1978 (5) Registered Area (ha) : 3,016 (6) Technical Level : Technical

II. SUBJECT AREA FOR REHABILITATION PLAN II.1 Present and Planned Land Use Category Present (ha) Plan (ha) Increment (ha) a. Irrigated paddy field 2,943 2,983 40 b. Rainfed paddy field 0 0 0 c. Upland field 57 0 -57 d. Uncultivated land 0 0 0 e. Non-irrigable land 0 17 17 Total 3,000 3,000 0

III. AGRICULTURE III.1 Present/Before Project Condition (1) Irrigation Performance and Crop Production Cropped Area in Irrigated Paddy FieldAnnual Irrigated Paddy Yield (GKG Crop Production (ton) 1/ Season Paddy (ha) Palawija Others (ha) Total (ha) Intensity ton/ha) Paddy Palawija Others Season I (wet) 2,943 2,943 100% 4.0 11,772 60 Season II (dry I) 0 Season III (dry II) 2,143 800 2,943 100% 4.0 8,572 2,000 Total/Annual 5,086 800 0 5,886 200% 4.0 20,344 2,060 0 1/ Include palawija in upland field (2) Problems and Constraints A. Irrigation & Agriculture Performances - High irrigation performances attained, however water shortage in dry season reported - Double cropping of paddy introduced; paddy yield levels still low; palawija extensively cultivated B. Primary Constraint Identified through the Inventory Survey by the JICA Study - Irrigation & Drainage: Water shortage at on-farm level in dry season - Palawija Marketing: Low marketing prices - Agronomic Issues: Damage caused by rat - Farmers Organizations: Most members are not active - Paddy Marketing: Unstable marketing prices - Extension Services: Capability & experiences of PPLs are limited

III.2 Development Plan (1) Development Approaches - Ensuring year round irrigation water supply at on-farm level through rehabilitation - Expansion of double cropped area of paddy; productivity increase of paddy through intensification; introduction of palawija in dry season I & II - Strengthening of extension activities tailored to area specific needs; empowerment of farmer groups (KTs) to establish agri-business oriented KTs (2) Planned Irrigation Performances and Crop Production Cropped Area in Irrigated Paddy Field Annual Irrigated Paddy Yield (GKG Crop Production (ton) Season Paddy (ha) Palawija Others (ha) Total (ha) Intensity ton/ha) Paddy Palawija Others Season I (wet) 2,983 2,983 100% 5.0 14,915 Season II (dry I) 298 298 10% 1,490 Season III (dry II) 2,685 298 2,983 100% 5.0 13,425 1,490 Total/Annual 5,668 596 0 6,264 210% 5.0 28,340 2,980 0 Annual Increment 582 (204) 0 378 10% 1.0 7,996 920 0

IV. WUAs IV.1 Existing Condition (1) Number a. Target; 29 b. Established; 7 c. Not yet; 22 Registered 6 Performance a. Developed; 1 b. Under developing; 5 c. Not yet; 1 Not yet registered 1

(2) Problems and Constraints Operation Maintenance Management

(3) Causes of Problems and Constraints

IV.2 Development Plan (1) Proposed Countermeasures

(2) Development Plan

3 - 157 North Sumatera Province 40. Medan Krio Scheme (2/4) V. IRRIGATION FACILITY V.1 Existing Condition (1) Overall Irrigation System: C (A: Functioning well, B: Partially deteriorated, C: Not functioning well, D: Serious condition for operation) Water Resources Facility : C Main Canal System : C Secondary Canal System : D On-farm : D (2) Water Resources Facilty a. Type of facility : Headworks e. Scouring sluice gate : 1 nos. i. Condition : C b. Type of weir : Fixed weir f. Intake gate : 3 nos. (A: Functioning well, B: Partially deteriorated, C: Not c. Length of weir : 42 m g. Settling basin : provided functioning well, D: Serious condition for operation) d. Design intake discharge : 2.8 m3/s h. Inspection bridge : provided (no info.: no information)

(3) Irrigation Canal and Inspection Road Canal Lined (m) Unlined Total (m) Structure (nos) Inspection road (m) Condition (A: Functioning well, Main 2,750 0 2,750 42 0 C B: Partially deteriorated, Secondary 600 22,700 23,300 58 0 D C: Not functioning well, D: Serious condition for (4) Major Problems and Constrains operation) - Water Resources Facility Problem on management for flood/scouring sluice gate(s) operation Insufficient diversion water due to sedimentation in front of intake Problem on management for intake gate(s) operation - Irrigation Canal and Related Structure Impassable of inspection road along canal Difficulty on water distribution

(5) Causes of Major Problems and Constraints - Water Resources Facility Improper maintenance of flood or scouring sluice gate(s) of headworks (no greasing and anti-rust painting) Sedimentation in front of intake Improper management or deterioration of intake gate(s) - Irrigation Canal and Related Structure Improper routine O&M works due to no or narrow wide of road, slope erosion by rainfall then in flow into canal No provision of water level gauge/facility

V.2 Development Plan (1) Proposed Countermeasures for Major Problems - Water Resources Facility Replacement of control system or damaged equipment of flood/scouring sluice gate(s) of headworks Dredging or flushing of sediment, proper gate operation of headworks and intake Replacement of control system or damaged equipment of intake/free intake - Irrigation Canal and Related Structure Provision of inspection road both main and secondary canal with pavement Provision of water level gauge/facility

(2) Water Resources Facility Dam/Headworks body: large rehabilitation Intake, civil: minor rehabilitation Intake, mechanical : replacement or new Settling basin : replacement or new (3) Irrigation Canal and Related Structure Works No rehabilitation Rehabilitation New construction Total Main 0 2,750 0 2,750 Canal (m) Secondary 0 23,300 0 23,300 Structure Main 0 42 4 46 (nos) Secondary 0 58 12 70

(4) On-farm Development (Unit: ha) a. Potential Irrigated paddy field 2,943 d. Non-potential paddy field 0 b. Potential non-irrigated paddy field 0 e. Non-potenttial non-paddy field 0 c. Potential non-paddy field 57Total 3,000

(5) Rehabilitation Cost (Direct Cost) (Unit: Million Rp.) On-Farm Project Cost W.R.F Irrigation Drainage Total Develop. Facility per ha 3,379 35,534 3,553 6,325 1,570 50,362 16.8 (W.R.F: Water Resources Facility, Develop.: Development)

VI. PROJECT EVALUATION VI.1 EIRR 12.2%

VI.3 Priority Group Group V: Acceralation of WUAs establishment VI.4 Priority Ranking in the Province -

3 - 158 North Sumatera Province 40. Medan Krio Scheme (3/4)

Scheme Medan Krio District Deli Serdang

Technical Level Technical Registered Area 3,016 ha Year of Construction 1978 Category Irrigation (Headworks)

Structure Fixed Weir

Condition ABC D Problems Damage on retaining wall and stilling basin

Category Irrigation (Headworks)

Structure Left Retaining Wall

Condition ABC D Problems Fallen down, incline or washed away of retaining wall of weir; washed away of stilling basin

Category Irrigation (Headworks)

Structure Intake Gate

Condition ABC D Problems Leakage from gate leaf; insufficient strength against design load due to rust, decay of steel material; problem on management due to lack of periodically maintenance; insufficient diversion water due to sedimentation in front of intake.

Condition: A: Functioning well, B: Partially deteriorated, C: Not functioning well, D: Serious condition for operation 3 - 159 North Sumatera Province 40. Medan Krio Scheme (4/4)

Scheme Medan Krio District Deli Serdang

Technical LevelTechnical Registered Area 3,016 ha Year of Construction 1978 Category Irrigation (Main Canal)

Structure Division structure

Condition ABC D Problems Lower function of division structure; physical operation problem on structure; deterioration of steel gates.

Category Irrigation (Main Canal)

Structure Masonry Lined Canal

Condition ABC D Problems Sedimentation; leakage from lined canal; crack or damage on lined canal; defflection of lining toward inside of canal; and no function of inspection road

Category Irrigation (Secondary Canal)

Structure Earth Canal

Condition ABC D Problems Sedimentation; collapse of canal; leakage from canal; difficulty on maintenance of earth canal.

Condition: A: Functioning well, B: Partially deteriorated, C: Not functioning well, D: Serious condition for operation 3 - 160 North Sumatera Province 41. Rantau Panjang Scheme (1/4) I. PROJECT FUNDAMENTALS I.1 General (1) Code Number : 120663000 (7) Number of Farmers : Not available (2) Name of Irrigation Scheme : Rantau Panjang (8) Water Resource River : Sei Serdang (3) District (Kabupaten) : Deli Serdang (9) Catchment Area (km2) : 1,030.6 (4) Sub-district (Kecamatan) : Pantai Labu, Beringin (10) Original / Last Rehabilittion Year : Unknown (5) Registered Area (ha) : 2,309 (6) Technical Level : Semi Technical

I.2 Availability of Reports/Documents & References (A : Available, B : Available but partially, C : Not available/ No plan) a. Design Reports of Existing System(Full set) b. Irrigation diagram c. As-built drawings d. Structure lists & diagram CCCC e. Rehabilitation plan & its references f. Crops and yield data g. Cropping Calender h. WUAs data C

II. SUBJECT AREA FOR REHABILITATION PLAN II.1 Present and Planned Land Use Category Present (ha) Plan (ha) Increment (ha) a. Irrigated paddy field 2,309 2,309 0 b. Rainfed paddy field 0 0 0 c. Upland field 0 0 0 d. Uncultivated land 0 0 0 e. Non-irrigable land 0 0 0 Total 2,309 2,309 0

III. AGRICULTURE III.1 Present/Before Project Condition (1) Irrigation Performance and Crop Production Cropped Area in Irrigated Paddy Field 1/Annual Irrigated Paddy Yield (GKG Crop Production (ton) 2/ Season Paddy (ha) Palawija Others (ha) Total (ha) Intensity ton/ha) Paddy Palawija Others Season I (wet) 2,309 2,309 100% 5,773 Season II (dry I) 0 Season III (dry II) 0 Total/Annual 2,309 0 0 2,309 100% 5,773 0 0 1/: All paddy grown under rainfed condition (2309ha) 2/: Rrainfed paddy (2) Problems and Constraints A. Irrigation & Agriculture Performances - No irrigation water supply even in wet season in the entire scheme - Paddy cultivation under rainfed condition; paddy yield levels still low; palawija not yet introduced B. Primary Constraint Identified through the Inventory Survey by the JICA Study - Irrigation & Drainage: No irrigation at all - Palawija Marketing: - - Agronomic Issues: Infestation of pest & diseases - Farmers Organizations: Most members are not active - Paddy Marketing: Limited bargaining power of farmers - Extension Services: Shortage of operation funds of PPLs

III.2 Development Plan (1) Development Approaches - Development of irrigated area through rehabilitation & upgrading - Introduction of double cropping of paddy; productivity increase of paddy through intensification; introduction of palawija in dry season II - Strengthening of extension activities tailored to area specific needs; empowerment of farmer groups (KTs) to establish agri-business oriented KTs (2) Planned Irrigation Performances and Crop Production Cropped Area in Irrigated Paddy Field Annual Irrigated Paddy Yield (GKG Crop Production (ton) Season Paddy (ha) Palawija Others (ha) Total (ha) Intensity ton/ha) Paddy Palawija Others Season I (wet) 2,309 2,309 100% 4.5 10,391 Season II (dry I) 0 Season III (dry II) 1,155 115 1,270 55% 4.5 5,198 575 Total/Annual 3,464 115 0 3,579 155% 4.5 15,588 575 0 Annual Increment 1,155 115 0 1,270 55% 4.5 9,815 575 0

IV. WUAs IV.1 Existing Condition (1) Number a. Target; 23 b. Established; 3 c. Not yet; 20 Registered 0 Performance a. Developed; 0 b. Under developing; 0 c. Not yet; 3 Not yet registered 3

(2) Problems and Constraints Operation Maintenance Management

(3) Causes of Problems and Constraints - No irrigation water distribution.

IV.2 Development Plan (1) Proposed Countermeasures - Acceleration of WUA establishment.

(2) Development Plan - WUA empowerment training.

3 - 161 North Sumatera Province 41. Rantau Panjang Scheme (2/4) V. IRRIGATION FACILITY V.1 Existing Condition (1) Overall Irrigation System: D (A: Functioning well, B: Partially deteriorated, C: Not functioning well, D: Serious condition for operation) Water Resources Facility : D Main Canal System : D Secondary Canal System : D On-farm : D (2) Water Resources Facilty a. Type of facility : Headworks e. Scouring sluice gate : no info. i. Condition : D b. Type of weir : Fixed weir f. Intake gate : no info. (A: Functioning well, B: Partially deteriorated, C: Not c. Length of weir : no info. g. Settling basin : not provided functioning well, D: Serious condition for operation) d. Design intake discharge : no info. h. Inspection bridge : not provided (no info.: no information)

(3) Irrigation Canal and Inspection Road Canal Lined (m) Unlined Total (m) Structure (nos) Inspection road (m) Condition (A: Functioning well, Main 0 0 0 2 0 D B: Partially deteriorated, Secondary 0 0 0 2 0 D C: Not functioning well, D: Serious condition for (4) Major Problems and Constrains operation) - Water Resources Facility Totally damaged and not functioning

- Irrigation Canal and Related Structure Removal of sediment soil and foreign materials from canal, grass cutting Provision of kilo, hect-m posts, marking to each structure with structure name Provision of concrete lining Replacement and reconstruction of regulating structure on canal Provision or repair of inspection road with all weather type/pavement (2) Water Resources Facility Dam/Headworks body: replacement or new Intake, civil: replacement or new Intake, mechanical : replacement or new Settling basin : replacement or new (3) Irrigation Canal and Related Structure Works No rehabilitation Rehabilitation New construction Total Main 0 0 6,790 6,790 Canal (m) Secondary 0 0 16,711 16,711 Structure Main 0 2 17 19 (nos) Secondary 0 2 36 38

(4) On-farm Development (Unit: ha) a. Potential Irrigated paddy field 2,309 d. Non-potential paddy field 0 b. Potential non-irrigated paddy field 0 e. Non-potenttial non-paddy field 0 c. Potential non-paddy field 0Total 2,309

(5) Rehabilitation Cost (Direct Cost) (Unit: Million Rp.) On-Farm Project Cost W.R.F Irrigation Drainage Total Develop. Facility per ha 6,757 33,046 3,305 4,733 1,570 49,412 21.4 (W.R.F: Water Resources Facility, Develop.: Development)

VI. PROJECT EVALUATION VI.1 EIRR 13.6%

VI.3 Priority Group Group VI: Development by other category VI.4 Priority Ranking in the Province - (Less facility was provided)

3 - 162 North Sumatera Province 41. Rantau Panjang Scheme (3/4)

Scheme Rantau Panjang District Deli Serdang

Technical Level Semi-technical Registered Area 2,309 ha Year of Construction 1970 Category Irrigation (Main Canal)

Structure Off-take Structure

Condition ABC D Problems No use

Category Agriculture, On-Farm

Activity Paddy Cultivation

Condition ABC D Problems Very poor condition (no planting)

Category

Structure

Condition ABC D Problems

Condition: A: Functioning well, B: Partially deteriorated, C: Not functioning well, D: Serious condition for operation 3 - 163 North Sumatera Province 41. Rantau Panjang Scheme (4/4)

Scheme Rantau Panjang District Deli Serdang

Technical LevelSemi-technical Registered Area 2,309 ha Year of Construction 1970 Category

Structure

Condition ABC D Problems

Category

Structure

Condition ABC D Problems

Category

Structure

Condition ABC D Problems

Condition: A: Functioning well, B: Partially deteriorated, C: Not functioning well, D: Serious condition for operation 3 - 164 North Sumatera Province 42. Pekan Kemis Scheme (1/4) I. PROJECT FUNDAMENTALS I.1 General (1) Code Number : 120664000 (7) Number of Farmers : Not available (2) Name of Irrigation Scheme : Pekan Kamis (8) Water Resource River : Sei Kerapuh (3) District (Kabupaten) : Deli Serdang (9) Catchment Area (km2) : 177.5 (4) Sub-district (Kecamatan) : D. Masihull (10) Original / Last Rehabilittion Year : Unknown (5) Registered Area (ha) : 1,100 (6) Technical Level : Semi Technical

I.2 Availability of Reports/Documents & References (A : Available, B : Available but partially, C : Not available/ No plan) a. Design Reports of Existing System(Full set) b. Irrigation diagram c. As-built drawings d. Structure lists & diagram CCCC e. Rehabilitation plan & its references f. Crops and yield data g. Cropping Calender h. WUAs data C

II. SUBJECT AREA FOR REHABILITATION PLAN II.1 Present and Planned Land Use Category Present (ha) Plan (ha) Increment (ha) a. Irrigated paddy field 920 1,100 180 b. Rainfed paddy field 180 0 -180 c. Upland field 0 0 0 d. Uncultivated land 0 0 0 e. Non-irrigable land 0 0 0 Total 1,100 1,100 0

III. AGRICULTURE III.1 Present/Before Project Condition (1) Irrigation Performance and Crop Production Cropped Area in Irrigated Paddy FieldAnnual Irrigated Paddy Yield (GKG Crop Production (ton) Season Paddy (ha) Palawija Others (ha) Total (ha) Intensity ton/ha) Paddy Palawija Others Season I (wet) 920 920 100% 4.5 4,380 Season II (dry I) 0 Season III (dry II) 815 92 907 99% 4.0 3,260 230 Total/Annual 1,735 92 0 1,827 199% 4.3 7,640 230 0 1/: Include paddy grown under rainfed condition (105ha) 2/: Irrigated & rainfed paddy (2) Problems and Constraints A. Irrigation & Agriculture Performances - High irrigation performances attained; however still exist rainfed field (180ha); water shortage in dry season reported - Double cropping of paddy introduced ; existing od rainfed paddy; paddy yield levels still low to moderate; palawija introduced B. Primary Constraint Identified through the Inventory Survey by the JICA Study - Irrigation & Drainage: Poor drainage - Palawija Marketing: - - Agronomic Issues: Farmers not following recommended practices - Farmers Organizations: - - Paddy Marketing: Low marketing prices - Extension Services: Extension activities of PPLs are limited

III.2 Development Plan (1) Development Approaches - Expansion of irrigated area through rehabilitation & upgrading - Expansion of double cropped area of paddy; productivity increase of paddy through intensification; introduction of palawija in dry season II - Strengthening of extension activities tailored to area specific needs; empowerment of farmer groups (KTs) to establish agri-business oriented KTs (2) Planned Irrigation Performances and Crop Production Cropped Area in Irrigated Paddy Field Annual Irrigated Paddy Yield (GKG Crop Production (ton) Season Paddy (ha) Palawija Others (ha) Total (ha) Intensity ton/ha) Paddy Palawija Others Season I (wet) 1,100 1,100 100% 5.5 6,050 Season II (dry I) 0 Season III (dry II) 880 110 990 90% 5.0 4,400 550 Total/Annual 1,980 110 0 2,090 190% 5.3 10,450 550 0 Annual Increment 245 18 0 263 -9% 1.0 2,810 320 0

IV. WUAs IV.1 Existing Condition (1) Number a. Target; 12 b. Established; 2 c. Not yet; 10 Registered 2 Performance a. Developed; 0 b. Under developing; 2 c. Not yet; 0 Not yet registered 0

(2) Problems and Constraints Operation Maintenance Management

(3) Causes of Problems and Constraints - No awareness of farmers to WUA activities.

IV.2 Development Plan (1) Proposed Countermeasures - Encouragement of farmers to involve in WUA establishment and management.

(2) Development Plan - WUA empowerment training.

3 - 165 North Sumatera Province 42. Pekan Kemis Scheme (2/4) V. IRRIGATION FACILITY V.1 Existing Condition (1) Overall Irrigation System: D (A: Functioning well, B: Partially deteriorated, C: Not functioning well, D: Serious condition for operation) Water Resources Facility : D Main Canal System : D Secondary Canal System : D On-farm : D (2) Water Resources Facilty a. Type of facility : Free Intake e. Scouring sluice gate : - i. Condition : D b. Type of weir : - f. Intake gate : 1 nos. (A: Functioning well, B: Partially deteriorated, C: Not c. Length of weir : - g. Settling basin : not provided functioning well, D: Serious condition for operation) d. Design intake discharge : no info. h. Inspection bridge : - (no info.: no information)

(3) Irrigation Canal and Inspection Road Canal Lined (m) Unlined Total (m) Structure (nos) Inspection road (m) Condition (A: Functioning well, Main 0 400 400 40D B: Partially deteriorated, Secondary 0 6,200 6,200 19 0 D C: Not functioning well, D: Serious condition for (4) Major Problems and Constrains operation) - Water Resources Facility Insufficient diversion water due to sedimentation in front of intake Inflow of bed loads into canal and decrease canal flow capacity

- Irrigation Canal and Related Structure Removal of sediment soil and foreign materials from canal, grass cutting Provision of kilo, hect-m posts, marking to each structure with structure name Provision of concrete lining Replacement and reconstruction of regulating structure on canal Provision or repair of inspection road with all weather type/pavement (2) Water Resources Facility Dam/Headworks body: replacement or new Intake, civil: large rehabilitation Intake, mechanical : large rehabilitation Settling basin : replacement or new (3) Irrigation Canal and Related Structure WorksNo rehabilitation Rehabilitation New construction Total Main 0 400 40 440 Canal (m) Secondary 0 6,200 1,240 7,440 Structure Main 0 4 1 5 (nos) Secondary 0 19 7 26

(4) On-farm Development (Unit: ha) a. Potential Irrigated paddy field 920 d. Non-potential paddy field 0 b. Potential non-irrigated paddy field 180 e. Non-potenttial non-paddy field 0 c. Potential non-paddy field 0Total 1,100

(5) Rehabilitation Cost (Direct Cost) (Unit: Million Rp.) On-Farm Project Cost W.R.FIrrigation Drainage Total Develop. Facility per ha 5,871 9,574 957 2,347 1,260 20,010 18.2 (W.R.F: Water Resources Facility, Develop.: Development)

VI. PROJECT EVALUATION VI.1 EIRR 11.5%

VI.3 Priority Group Group V: Acceralation of WUAs establishment VI.4 Priority Ranking in the Province -

3 - 166 North Sumatera Province 42. Pekan Kemis Scheme (3/4)

Scheme Pekan Kemis District Deli Serdang

Technical Level Semi-technical Registered Area 1,100 ha Year of Construction 1970 Category Irrigation (Main Canal)

Structure Earth Canal

Condition ABC D Problems Leakage from canal; collapse of canal; sedimentation; difficulty on maintenance of earth canal; and no inspection road.

Category Irrigation (Main Canal)

Structure Earth Canal

Condition ABC D Problems Leakage from canal; collapse of canal; sedimentation; difficulty on maintenance of earth canal; and no inspection road.

Category Agriculture, On-Farm

Activity Paddy Cultivation

Condition ABC D Problems Low density of on-farm canals and farm roads.

Condition: A: Functioning well, B: Partially deteriorated, C: Not functioning well, D: Serious condition for operation 3 - 167 North Sumatera Province 42. Pekan Kemis Scheme (4/4)

Scheme Pekan Kemis District Deli Serdang

Technical LevelSemi-technical Registered Area 1,100 ha Year of Construction 1970 Category

Structure

Condition ABC D Problems

Category

Structure

Condition ABC D Problems

Category

Structure

Condition ABC D Problems

Condition: A: Functioning well, B: Partially deteriorated, C: Not functioning well, D: Serious condition for operation 3 - 168 Location of District

NORTH SUMATRA LEGEND N PROVINCE

MEDAN Capital Town of District

Ke Kuala Simpang ACEH Municipal City Lake Toba Sub-District Town

Provincial Boundary M a l a c c a S t r a i t s District Boundary Pangkalan Susu Sub-District Boundary Durian RIAU Besitang Brandan Provincial Road

Gebang District Road

WEST SUMATRA River TANJUNG PURA

Alur Dua Tanjung Irrigation Scheme Selamat Tanjung Beringin Hinai Technical Irrigation Kiri LANGKAT Semi-Technical Irrigation DISTRICT Wampu 0 5 10 15 20 Km

Selesai SCALE Irrigation Scheme 43. Secanggang Batang Binjai ACEH Serangan Selatan BINJAI Name of Scheme Registered Subject PROVINCE Kuala Ke Medan Area (Ha) Area (Ha) A 43. Secanggang 1,400 ST 1,400 45. Namu Sira-Sira Kiri 1,350 T 1,350 Bohorok C 46. Namu Sira-Sira Kanan 3,953 T 3,953 DELI SERDANG D B DISTRICT T : Technical Irrigation Selapian F Nama Ukur G ST : Semi-Technical Irrigation E H I

J K Location of Sub-District L N M O A Kec. Pangkalan Susu K Kec. Stabat B Kec. Besitang L Kec. Padang Tualang C Kec. Brandan Barat M Kec. Batang Serangan R D Kec. Babalan N Kec. Selesai P E Kec. Sei Lepan O Kec. Binja F Kec. Gebang P Kec. Bohorok Q S G Kec. Tanjung Pura Q Kec. Salapian H Kec. Hinai R Kec. Kuala 45. Namu Sira-Sira Kiri KARO I Kec. Secanggang S Kec. Sei Bingei DISTRICT J Kec. Wampu

46. Namu Sira-Sira Kanan The Study on Comprehensive Recovery Program of Irrigation Agriculture Location Map of Irrigation Schemes in Langkat District Japan International Cooperation Agency (J I C A) North Sumatera Province 43. Secanggang Scheme (1/4) I. PROJECT FUNDAMENTALS I.1 General (1) Code Number : 120028000 (7) Number of Farmers : Not available (2) Name of Irrigation Scheme : Secanggang (8) Water Resource River : Sei Wampuh (3) District (Kabupaten) : Langkat (9) Catchment Area (km2) : 87.5 (4) Sub-district (Kecamatan) : Langkat (10) Original / Last Rehabilittion Year : 1985 (5) Registered Area (ha) : 1,400 (6) Technical Level : Semi Technical

I.2 Availability of Reports/Documents & References (A : Available, B : Available but partially, C : Not available/ No plan) a. Design Reports of Existing System(Full set) b. Irrigation diagram c. As-built drawings d. Structure lists & diagram CCCC e. Rehabilitation plan & its references f. Crops and yield data g. Cropping Calender h. WUAs data C

II. SUBJECT AREA FOR REHABILITATION PLAN II.1 Present and Planned Land Use Category Present (ha) Plan (ha) Increment (ha) a. Irrigated paddy field 1,319 1,376 57 b. Rainfed paddy field 0 0 0 c. Upland field 81 0 -81 d. Uncultivated land 0 0 0 e. Non-irrigable land 0 24 24 Total 1,400 1,400 0

III. AGRICULTURE III.1 Present/Before Project Condition (1) Irrigation Performance and Crop Production Cropped Area in Irrigated Paddy Field 1/Annual Irrigated Paddy Yield (GKG Crop Production (ton) 2/ Season Paddy (ha) Palawija Others (ha) Total (ha) Intensity ton/ha) Paddy Palawija Others Season I (wet) 1,319 1,319 100% 4.0 5,233 Season II (dry I) 0 Season III (dry II) 0 Total/Annual 1,319 0 0 1,319 100% 4.0 5,233 0 0 1/: Include paddy grown under rainfed condition (29ha) 2/: Irrigated & rainfed paddy (2) Problems and Constraints A. Irrigation & Agriculture Performances - No irrigation water supply in dry season - Only single cropping of paddy in wet season practiced; annual intensity low; paddy yield levels still low; no palawija introduced B. Primary Constraint Identified through the Inventory Survey by the JICA Study - Irrigation & Drainage: Water shortage at on-farm level in dry season - Palawija Marketing: Low marketing prices - Agronomic Issues: Damage caused by rat - Farmers Organizations: Most members are not active - Paddy Marketing: Unstable marketing prices - Extension Services: Capability & experiences of PPLs are limited

III.2 Development Plan (1) Development Approaches - Ensuring year round irrigation water supply at on-farm level through rehabilitation - Introduction of double cropping of paddy; productivity increase of paddy through intensification; introduction of palawija in dry season II - Strengthening of extension activities tailored to area specific needs; empowerment of farmer groups (KTs) to establish agri-business oriented KTs (2) Planned Irrigation Performances and Crop Production Cropped Area in Irrigated Paddy Field Annual Irrigated Paddy Yield (GKG Crop Production (ton) Season Paddy (ha) Palawija Others (ha) Total (ha) Intensity ton/ha) Paddy Palawija Others Season I (wet) 1,376 1,376 100% 5.0 6,880 Season II (dry I) 0 Season III (dry II) 1,238 138 1,376 100% 5.0 6,190 690 Total/Annual 2,614 138 0 2,752 200% 5.0 13,070 690 0 Annual Increment 1,295 138 0 1,433 100% 1.0 7,837 690 0

IV. WUAs IV.1 Existing Condition (1) Number a. Target; 3 b. Established; 2 c. Not yet; 1 Registered 0 Performance a. Developed; 0 b. Under developing; 0 c. Not yet; 2 Not yet registered 2

(2) Problems and Constraints Operation Maintenance Management

(3) Causes of Problems and Constraints - No irrigation water distribution.

IV.2 Development Plan (1) Proposed Countermeasures - Activation of WUA O&M works.

(2) Development Plan - WUA O&M training.

3 - 169 North Sumatera Province 43. Secanggang Scheme (2/4) V. IRRIGATION FACILITY V.1 Existing Condition (1) Overall Irrigation System: D (A: Functioning well, B: Partially deteriorated, C: Not functioning well, D: Serious condition for operation) Water Resources Facility : D Main Canal System : D Secondary Canal System : D On-farm : D (2) Water Resources Facilty a. Type of facility : Free Intake e. Scouring sluice gate : - i. Condition : D b. Type of weir : - f. Intake gate : 2 nos. (A: Functioning well, B: Partially deteriorated, C: Not c. Length of weir : - g. Settling basin : not provided functioning well, D: Serious condition for operation) d. Design intake discharge : 7.5 m3/s h. Inspection bridge : - (no info.: no information)

(3) Irrigation Canal and Inspection Road Canal Lined (m) Unlined Total (m) Structure (nos) Inspection road (m) Condition (A: Functioning well, Main 1,446 10,954 12,400 15 0 D B: Partially deteriorated, Secondary 250 13,740 13,990 51 0 D C: Not functioning well, D: Serious condition for (4) Major Problems and Constrains operation) - Water Resources Facility Insufficient diversion water due to water level fluctuation Insufficient diversion water due to river bed degradation Insufficient diversion water due to sedimentation in front of intake - Irrigation Canal and Related Structure Sedimentation or obstruction of water flow Impassable of inspection road along canal General O&M problems Difficulty on maintenance of earth canal Difficulty on O&M (5) Causes of Major Problems and Constraints - Water Resources Facility No provision of diversion weir River bed degradation, no provision of weir in case free intake structure Sedimentation in front of intake - Irrigation Canal and Related Structure No provision of settling basin(sediments), improper management of canal (sediments, water plant) Improper routine O&M works due to no or narrow wide of road, slope erosion by rainfall then in flow into canal No kilo and hectometer post, no structure plate or mark on structures and no identification for repair/maintenance Fallen down and collapse of side slope, water plants or weed at inside of canal No provision or damage of inspection road, difficulty on passing of inspection road due to damage, broken V.2 Development Plan (1) Proposed Countermeasures for Major Problems - Water Resources Facility Provision of diversion weir Change of intake method from free intake to weir type division structure, enlarge inlet capacity of intake Dredging or flushing of sediment, proper gate operation of headworks and intake - Irrigation Canal and Related Structure Removal of sediment soil and foreign materials from canal, grass cutting Provision of inspection road both main and secondary canal with pavement Provision of kilo, hect-m posts, marking to each structure with structure name Provision of concrete lining Provision or repair of inspection road with all weather type/pavement (2) Water Resources Facility Dam/Headworks body: replacement or new Intake, civil: large rehabilitation Intake, mechanical : large rehabilitation Settling basin : replacement or new (3) Irrigation Canal and Related Structure Works No rehabilitation Rehabilitation New construction Total Main 0 12,400 1,240 13,640 Canal (m) Secondary 0 13,990 2,798 16,788 Structure Main 0 15 3 18 (nos) Secondary 0 51 18 69

(4) On-farm Development (Unit: ha) a. Potential Irrigated paddy field 1,319 d. Non-potential paddy field 0 b. Potential non-irrigated paddy field 0 e. Non-potenttial non-paddy field 0 c. Potential non-paddy field 81Total 1,400

(5) Rehabilitation Cost (Direct Cost) (Unit: Million Rp.) On-Farm Project Cost W.R.F Irrigation Drainage Total Develop. Facility per ha 6,341 37,868 3,787 3,119 1,260 52,375 37.4 (W.R.F: Water Resources Facility, Develop.: Development)

VI. PROJECT EVALUATION VI.1 EIRR 10.5%

VI.3 Priority Group Group VI: Development by other category VI.4 Priority Ranking in the Province - (High rehabilitation cost)

3 - 170 North Sumatera Province 43. Secanggang Scheme (3/4)

Scheme Secanggang District Langkat

Technical Level Semi-technical Registered Area 1,400 ha Year of Construction 1985 Category Irrigation (Free Intake)

Structure Intake

Condition ABC D Problems Not in use due to large sediments in front of intake

Category Irrigation (Free Intake)

Structure Intake Gate

Condition ABC D Problems Not in use

Category Irrigation (Main Canal)

Structure Masonry Lined Canal

Condition ABC D Problems Not in use

Condition: A: Functioning well, B: Partially deteriorated, C: Not functioning well, D: Serious condition for operation 3 - 171 North Sumatera Province 43. Secanggang Scheme (4/4)

Scheme Secanggang District Langkat

Technical LevelSemi-technical Registered Area 1,400 ha Year of Construction 1985 Category Irrigation (Secondary Canal)

Structure Masonry Lined Canal

Condition ABC D Problems Not in use

Category

Structure

Condition ABC D Problems

Category

Structure

Condition ABC D Problems

Condition: A: Functioning well, B: Partially deteriorated, C: Not functioning well, D: Serious condition for operation 3 - 172 Location of District LEGEND N NORTH SUMATRA PROVINCE Capital City of Province MEDAN Capital Town of District

Municipal City 36. Bandar Sidoras ACEH Sub-District Town Lake Toba 41.Rantau Panjang Ke Langkat District Boundary

The Study on Comprehensive Recovery Program of Irrigation Agriculture Location Map of Irrigation Schemes in Deli Serdang District Japan International Cooperation Agency North Sumatera Province 44. Paya Lobang Scheme (1/4) I. PROJECT FUNDAMENTALS I.1 General (1) Code Number : 120021000 (7) Number of Farmers : Not available (2) Name of Irrigation Scheme : Paya Lombang (8) Water Resource River : Sei Padang (3) District (Kabupaten) : Deli Serdang/Tebing Tinggi (9) Catchment Area (km2) : 882.5 (4) Sub-district (Kecamatan) : Tebing Tinggi (10) Original / Last Rehabilittion Year : 1981 (5) Registered Area (ha) : 1,558 (6) Technical Level : Semi Technical

I.2 Availability of Reports/Documents & References (A : Available, B : Available but partially, C : Not available/ No plan) a. Design Reports of Existing System(Full set) b. Irrigation diagram c. As-built drawings d. Structure lists & diagram C CCC e. Rehabilitation plan & its references f. Crops and yield data g. Cropping Calender h. WUAs data C

II. SUBJECT AREA FOR REHABILITATION PLAN II.1 Present and Planned Land Use Category Present (ha) Plan (ha) Increment (ha) a. Irrigated paddy field 1,263 1,558 295 b. Rainfed paddy field 295 0 -295 c. Upland field 0 0 0 d. Uncultivated land 0 0 0 e. Non-irrigable land 0 0 0 Total 1,558 1,558 0

III. AGRICULTURE III.1 Present/Before Project Condition (1) Irrigation Performance and Crop Production Cropped Area in Irrigated Paddy FieldAnnual Irrigated Paddy Yield (GKG Crop Production (ton) 1/ Season Paddy (ha) Palawija Others (ha) Total (ha) Intensity ton/ha) Paddy Palawija Others Season I (wet) 1,263 1,263 100% 4.0 5,790 Season II (dry I) 0 Season III (dry II) 884 884 70% 4.5 3,978 Total/Annual 2,147 0 0 2,147 170% 4.2 9,768 0 0 1/: Irrigated & rainfed paddy (2) Problems and Constraints A. Irrigation & Agriculture Performances - High irrigation performances attained; however still exist rainfed field (295ha); water shortage in dry season reported - Double cropping of paddy introduced ; existing od rainfed paddy; paddy yield levels still low to moderate; palawija not introduced B. Primary Constraint Identified through the Inventory Survey by the JICA Study - Irrigation & Drainage: Water shortage at on-farm level in dry season - Palawija Marketing: - - Agronomic Issues: Farmers not following recommended practices - Farmers Organizations: Most members are not active - Paddy Marketing: Limited bargaining power of farmers - Extension Services: Implementation of extension programs is limited

III.2 Development Plan (1) Development Approaches - Expansion of irrigated area through rehabilitation & upgrading - Ddouble cropping of paddy in the entire scheme; productivity increase of paddy through further intensification; introduction of palawija in dry season I - Strengthening of extension activities tailored to area specific needs; empowerment of farmer groups (KTs) to establish agri-business oriented KTs (2) Planned Irrigation Performances and Crop Production Cropped Area in Irrigated Paddy Field Annual Irrigated Paddy Yield (GKG Crop Production (ton) Season Paddy (ha) Palawija Others (ha) Total (ha) Intensity ton/ha) Paddy Palawija Others Season I (wet) 1,558 1,558 100% 5.0 7,790 Season II (dry I) 156 156 780 Season III (dry II) 1,558 1,558 100% 5.0 7,790 Total/Annual 3,116 156 0 3,272 210% 5.0 15,580 780 0 Annual Increment 969 156 0 1,125 40% 0.8 5,812 780 0

IV. WUAs IV.1 Existing Condition (1) Number a. Target; 13 b. Established; 2 c. Not yet; 11 Registered 0 Performance a. Developed; 0 b. Under developing; 2 c. Not yet; 0 Not yet registered 2

(2) Problems and Constraints Operation Maintenance Management

(3) Causes of Problems and Constraints - Less attention to O&M works among members

IV.2 Development Plan (1) Proposed Countermeasures - Calling WUA members' attention to O&M works.

(2) Development Plan - WUA O&M training.

3 - 173 North Sumatera Province 44. Paya Lobang Scheme (2/4) V. IRRIGATION FACILITY V.1 Existing Condition (1) Overall Irrigation System: D (A: Functioning well, B: Partially deteriorated, C: Not functioning well, D: Serious condition for operation) Water Resources Facility : C Main Canal System : D Secondary Canal System : D On-farm : D (2) Water Resources Facilty a. Type of facility : Headworks e. Scouring sluice gate : no info. i. Condition : C b. Type of weir : Fixed weir f. Intake gate : 3 nos. (A: Functioning well, B: Partially deteriorated, C: Not c. Length of weir : 70 m g. Settling basin : not provided functioning well, D: Serious condition for operation) d. Design intake discharge : 1.8 m3/s h. Inspection bridge : - (no info.: no information)

(3) Irrigation Canal and Inspection Road Canal Lined (m) Unlined Total (m) Structure (nos) Inspection road (m) Condition (A: Functioning well, Main 1,500 3,400 4,900 5 0 D B: Partially deteriorated, Secondary 500 4,900 5,400 17 0 D C: Not functioning well, D: Serious condition for (4) Major Problems and Constrains operation) - Water Resources Facility Insufficient diversion water due to sedimentation in front of intake Inflow of bed loads into canal and decrease canal flow capacity Physical operational problem on intake gate(s) - Irrigation Canal and Related Structure Sedimentation or obstruction of water flow Impassable of inspection road along canal General O&M problems Difficulty on maintenance of earth canal Difficulty on O&M (5) Causes of Major Problems and Constraints - Water Resources Facility Sedimentation in front of intake No provision of settling basin, no proper gate operation of intake during flood Improper design, installation and/or maintenance of intake gate(s); breakdown of hoist, stem, guide frame or leaf - Irrigation Canal and Related Structure No provision of settling basin(sediments), improper management of canal (sediments, water plant) Improper routine O&M works due to no or narrow wide of road, slope erosion by rainfall then in flow into canal No kilo and hectometer post, no structure plate or mark on structures and no identification for repair/maintenance Fallen down and collapse of side slope, water plants or weed at inside of canal No provision or damage of inspection road, difficulty on passing of inspection road due to damage, broken V.2 Development Plan (1) Proposed Countermeasures for Major Problems - Water Resources Facility Dredging or flushing of sediment, proper gate operation of headworks and intake Provision of settling basin, proper gate operation of intake during flood Replacement of intake gate(s) of intake - Irrigation Canal and Related Structure Removal of sediment soil and foreign materials from canal, grass cutting Provision of inspection road both main and secondary canal with pavement Provision of kilo, hect-m posts, marking to each structure with structure name Provision of concrete lining Provision or repair of inspection road with all weather type/pavement (2) Water Resources Facility Dam/Headworks body: large rehabilitation Intake, civil: large rehabilitation Intake, mechanical : large rehabilitation Settling basin : replacement or new (3) Irrigation Canal and Related Structure Works No rehabilitation Rehabilitation New construction Total Main 0 4,900 490 5,390 Canal (m) Secondary 0 5,400 1,080 6,480 Structure Main 0 5 1 6 (nos) Secondary 0 17 6 23

(4) On-farm Development (Unit: ha) a. Potential Irrigated paddy field 1,263 d. Non-potential paddy field 0 b. Potential non-irrigated paddy field 295 e. Non-potenttial non-paddy field 0 c. Potential non-paddy field 0Total 1,558

(5) Rehabilitation Cost (Direct Cost) (Unit: Million Rp.) On-Farm Project Cost W.R.F Irrigation Drainage Total Develop. Facility per ha 2,898 15,194 1,519 3,345 1,260 24,217 15.5 (W.R.F: Water Resources Facility, Develop.: Development)

VI. PROJECT EVALUATION VI.1 EIRR 17.8%

VI.3 Priority Group Group V: Acceralation of WUAs establishment VI.4 Priority Ranking in the Province -

3 - 174 North Sumatera Province 44. Paya Lobang Scheme (3/4)

Scheme Paya Lobang District Deli Serdang/Tebing Tinggi

Technical Level Semi-technical Registered Area 1,558 ha Year of Construction 1981 Category Irrigation (Headworks)

Structure Fixed Weir

Condition ABC D Problems Crack or damage on weir crest; settlement of weir body; defflection of pier of weir

Category Irrigation (Headworks)

Structure Intake Gate

Category Irrigation (Secondary Canal)

Structure Division structure

Condition ABC D Problems Lower function of structure due to sedimentation in front of gate; physical operation problem on structure; damage on structure; deterioration of steel gates.

Condition: A: Functioning well, B: Partially deteriorated, C: Not functioning well, D: Serious condition for operation 3 - 175 North Sumatera Province 44. Paya Lobang Scheme (4/4)

Scheme Paya Lobang District Deli Serdang/Tebing Tinggi

Technical LevelSemi-technical Registered Area 1,558 ha Year of Construction 1981 Category Irrigation (Secondary Canal)

Structure Masonry Lined Canal

Condition ABC D Problems Sedimentation; leakage from lined canal; crack or damage on lined canal; defflection of lining toward inside of canal; and no inspection road

Category Agriculture, On-Farm

Activity Paddy Cultivation and Horticulture

Condition ABC D Problems No on-farm facility

Category Agriculture, On-Farm

Activity Paddy Cultivation

Condition ABC D Problems No on-farm facility

Condition: A: Functioning well, B: Partially deteriorated, C: Not functioning well, D: Serious condition for operation 3 - 176 Location of District

NORTH SUMATRA LEGEND N PROVINCE

MEDAN Capital Town of District

Ke Kuala Simpang ACEH Municipal City Lake Toba Sub-District Town

Provincial Boundary M a l a c c a S t r a i t s District Boundary Pangkalan Susu Sub-District Boundary Durian RIAU Besitang Brandan Provincial Road

Gebang District Road

WEST SUMATRA River TANJUNG PURA

Alur Dua Tanjung Irrigation Scheme Selamat Tanjung Beringin Hinai Technical Irrigation Kiri LANGKAT Semi-Technical Irrigation DISTRICT Wampu 0 5 10 15 20 Km

46. Namu Sira-Sira Kanan The Study on Comprehensive Recovery Program of Irrigation Agriculture Location Map of Irrigation Schemes in Langkat District Japan International Cooperation Agency (J I C A) North Sumatera Province 45. Namu Sira-sira Kiri Scheme (1/4) I. PROJECT FUNDAMENTALS I.1 General (1) Code Number : 120029000 (7) Number of Farmers : Not available (2) Name of Irrigation Scheme : Namu Sira-sira Kiri (8) Water Resource River : Sei Bingai (3) District (Kabupaten) : Langkat/Binjai (9) Catchment Area (km2) : 970 (4) Sub-district (Kecamatan) : Sei Bingei (10) Original / Last Rehabilittion Year : 1979 (5) Registered Area (ha) : 2,250 (6) Technical Level : Technical

I.2 Availability of Reports/Documents & References (A : Available, B : Available but partially, C : Not available/ No plan) a. Design Reports of Existing System(Full set) b. Irrigation diagram c. As-built drawings d. Structure lists & diagram CBAA e. Rehabilitation plan & its references f. Crops and yield data g. Cropping Calender h. WUAs data C

II. SUBJECT AREA FOR REHABILITATION PLAN II.1 Present and Planned Land Use Category Present (ha) Plan (ha) Increment (ha) a. Irrigated paddy field 1,350 1,350 0 b. Rainfed paddy field 0 0 0 c. Upland field 0 0 0 d. Uncultivated land 0 0 0 e. Non-irrigable land 0 0 0 Total 1,350 1,350 0

(2) Problems and Constraints A. Irrigation & Agriculture Performances - Irrigation water supply limited in dry season - Double cropping of paddy still limited; paddy yield levels moderate; annual intensity limited B. Primary Constraint Identified through the Inventory Survey by the JICA Study - Irrigation & Drainage: Poor O&M at tertiary level and below - Palawija Marketing: Unstable marketing prices - Agronomic Issues: Farmers not following recommended practices - Farmers Organizations: Most members are not active - Paddy Marketing: Unstable marketing prices - Extension Services: Shortage of operation funds of PPLs

III.2 Development Plan (1) Development Approaches - Ensuring year round irrigation water supply at on-farm level through rehabilitation - Expansion of double cropped area of paddy; productivity increase of paddy through intensification; introduction of palawija in dry season II - Strengthening of extension activities tailored to area specific needs; empowerment of farmer groups (KTs) to establish agri-business oriented KTs (2) Planned Irrigation Performances and Crop Production Cropped Area in Irrigated Paddy Field Annual Irrigated Paddy Yield (GKG Crop Production (ton) Season Paddy (ha) Palawija Others (ha) Total (ha) Intensity ton/ha) Paddy Palawija Others Season I (wet) 1,350 1,350 100% 5.5 7,425 Season II (dry I) 0 Season III (dry II) 945 135 1,080 80% 5.5 5,198 675 Total/Annual 2,295 135 0 2,430 180% 5.5 12,623 675 0 Annual Increment 675 0 0 675 50% 1.0 5,333 337 0

IV. WUAs IV.1 Existing Condition (1) Number a. Target; 9 b. Established; 8 c. Not yet; 1 Registered 7 Performance a. Developed; 0 b. Under developing; 3 c. Not yet; 5 Not yet registered 1

(2) Problems and Constraints Operation Maintenance Management

(3) Causes of Problems and Constraints - Lack of internal coordination in WUA.

IV.2 Development Plan (1) Proposed Countermeasures - Encouragement of WUA members for positive involvement in O&M works.

(2) Development Plan - WUA empowerment training.

3 - 177 North Sumatera Province 45. Namu Sira-sira Kiri Scheme (2/4) V. IRRIGATION FACILITY V.1 Existing Condition (1) Overall Irrigation System: B (A: Functioning well, B: Partially deteriorated, C: Not functioning well, D: Serious condition for operation) Water Resources Facility : B Main Canal System : C Secondary Canal System : C On-farm : D (2) Water Resources Facilty a. Type of facility : Headworks e. Scouring sluice gate : 2 nos. i. Condition : B b. Type of weir : Fixed weir f. Intake gate : 2 nos. (A: Functioning well, B: Partially deteriorated, C: Not c. Length of weir : 43 m g. Settling basin : provided functioning well, D: Serious condition for operation) d. Design intake discharge : 4.2 m3/s h. Inspection bridge : provided (no info.: no information)

(3) Irrigation Canal and Inspection Road Canal Lined (m) Unlined Total (m) Structure (nos) Inspection road (m) Condition (A: Functioning well, Main 6,189 811 7,000 41 7,000 C B: Partially deteriorated, Secondary 19,126 9,830 28,956 152 28,956 C C: Not functioning well, D: Serious condition for (4) Major Problems and Constrains operation) - Water Resources Facility Lower strength against design load due to rust, decay of steel materials of flood/scouring sluice gate(s) Insufficient diversion water due to sedimentation in front of intake Inflow of bed loads into canal and decrease canal flow capacity - Irrigation Canal and Related Structure Sedimentation or obstruction of water flow Difficulty on maintenance of earth canal Difficulty on water distribution

(5) Causes of Major Problems and Constraints - Water Resources Facility No over coating on flood/scouring sluice gate(s) to prevent rust and decay Sedimentation in front of intake Insufficient function of settling basin, no proper gate operation of intake during flood - Irrigation Canal and Related Structure Insufficient function of settling basin(sediments), improper management of canal (sediments, water plant) Fallen down and collapse of side slope, water plants or weed at inside of canal No provision of water level gauge/facility

V.2 Development Plan (1) Proposed Countermeasures for Major Problems - Water Resources Facility Provision of overcoat or replacement of flood/scouring sluice gate(s) of headworks Dredging or flushing of sediment, proper gate operation of headworks and intake Rehabilitation of settling basin, proper gate operation of intake during flood - Irrigation Canal and Related Structure Removal of sediment soil and foreign materials from canal, grass cutting Provision of concrete lining Provision of water level gauge/facility

(2) Water Resources Facility Dam/Headworks body: minor rehabilitation Intake, civil: minor rehabilitation Intake, mechanical : minor rehabilitation Settling basin : minor rehabilitation (3) Irrigation Canal and Related Structure Works No rehabilitation Rehabilitation New construction Total Main 0 4,200 0 4,200 Canal (m) Secondary 0 17,374 0 17,374 Structure Main 0 25 2 27 (nos) Secondary 0 91 18 109

(4) On-farm Development (Unit: ha) a. Potential Irrigated paddy field 1,350 d. Non-potential paddy field 0 b. Potential non-irrigated paddy field 0 e. Non-potenttial non-paddy field 0 c. Potential non-paddy field 0Total 1,350

(5) Rehabilitation Cost (Direct Cost) (Unit: Million Rp.) On-Farm Project Cost W.R.F Irrigation Drainage Total Develop. Facility per ha 1,085 25,193 2,519 2,768 1,260 32,825 24.3 (W.R.F: Water Resources Facility, Develop.: Development)

VI. PROJECT EVALUATION VI.1 EIRR 12.2%

VI.2 Prioritization Scoring Evaluation Index Full Score Score Evaluation Index Full Score Score Total Score Irrigation Utilization of Irrigation Potential 10.0 5.0 Agricultural Productivity 20.0 13.0 61.4 System Urgency 25.0 18.6 Social Problem 15.0 6.0 Sustainability 15.0 8.3 Economic Impact 15.0 10.5

VI.3 Priority Group Group II: Second priority group VI.4 Priority Ranking in the Province 10

3 - 178 North Sumatera Province 45. Namu Sira-sira Kiri Scheme (3/4)

Scheme Namu Sira-sira Kiri District Langkat/Binjai

Technical Level Technical Registered Area 2,250 ha Year of Construction 1979 Category Irrigation (Headworks)

Structure Fixed Weir

Condition ABC D Problems Minor repair is required

Category Irrigation (Headworks)

Structure Left Retaining Wall (downstream)

Condition ABC D Problems Minor repair is required

Category Irrigation (Headworks)

Structure Intake

Condition: A: Functioning well, B: Partially deteriorated, C: Not functioning well, D: Serious condition for operation 3 - 179 North Sumatera Province 45. Namu Sira-sira Kiri Scheme (4/4)

Scheme Namu Sira-sira Kiri District Langkat/Binjai

Technical LevelTechnical Registered Area 2,250 ha Year of Construction 1979 Category Irrigation (Main Canal)

Structure Division structure

Condition ABC D Problems Lower function of division structure; physical operation problem on structure; deterioration of steel gates.

Category Irrigation (Main Canal)

Structure Canal

Condition ABC D Problems Sedimentation; leakage from canal; collapse of canal; difficulty on maintenance of earth canal; poor condition of dike and no maintenance

Category Irrigation (Secondary Canal)

Structure Masonry Lined Canal

Condition ABC D Problems Sedimentation; leakage from lined canal; deflection of lining toward inside of canal; crack or damage on lined canal; no maintenance

Condition: A: Functioning well, B: Partially deteriorated, C: Not functioning well, D: Serious condition for operation 3 - 180 North Sumatera Province 46. Namu Sira-sira Kanan Scheme (1/4) I. PROJECT FUNDAMENTALS I.1 General (1) Code Number : 120029000 (7) Number of Farmers : Not available (2) Name of Irrigation Scheme : Namu Sira-sira Kanan (8) Water Resource River : Sei Bingai (3) District (Kabupaten) : Langkat/Binjai (9) Catchment Area (km2) : 970 (4) Sub-district (Kecamatan) : Sei Bingei (10) Original / Last Rehabilittion Year : 1979 (5) Registered Area (ha) : 4,100 (6) Technical Level : Technical

I.2 Availability of Reports/Documents & References (A : Available, B : Available but partially, C : Not available/ No plan) a. Design Reports of Existing System(Full set) b. Irrigation diagram c. As-built drawings d. Structure lists & diagram CBAA e. Rehabilitation plan & its references f. Crops and yield data g. Cropping Calender h. WUAs data C

II. SUBJECT AREA FOR REHABILITATION PLAN II.1 Present and Planned Land Use Category Present (ha) Plan (ha) Increment (ha) a. Irrigated paddy field 3,953 3,953 0 b. Rainfed paddy field 0 0 0 c. Upland field 0 0 0 d. Uncultivated land 0 0 0 e. Non-irrigable land 0 0 0 Total 3,953 3,953 0

III.2 Development Plan (1) Development Approaches - Ensuring year round irrigation water supply at on-farm level through rehabilitation - Expansion of double cropped area of paddy; productivity increase of paddy through intensification; introduction of palawija in dry season II - Strengthening of extension activities tailored to area specific needs; empowerment of farmer groups (KTs) to establish agri-business oriented KTs (2) Planned Irrigation Performances and Crop Production Cropped Area in Irrigated Paddy Field Annual Irrigated Paddy Yield (GKG Crop Production (ton) Season Paddy (ha) Palawija Others (ha) Total (ha) Intensity ton/ha) Paddy Palawija Others Season I (wet) 3,953 3,953 100% 5.5 21,742 Season II (dry I) 0 Season III (dry II) 2,767 198 2,965 75% 5.5 15,219 990 Total/Annual 6,720 198 0 6,918 175% 5.5 36,960 990 0 Annual Increment 1,976 (197) 0 1,779 45% 1.0 15,612 2 0

IV. WUAs IV.1 Existing Condition (1) Number a. Target; 10 b. Established; 5 c. Not yet; 5 Registered 5 Performance a. Developed; 0 b. Under developing; 3 c. Not yet; 2 Not yet registered 0

(2) Problems and Constraints Operation Maintenance Management

(3) Causes of Problems and Constraints - Low level of WUA management. - Less awareness of farmers to WUA establishment. IV.2 Development Plan (1) Proposed Countermeasures - Acceleration of WUA establishment. - Encouragement of WUA members for positive involvement in WUA activities. (2) Development Plan - WUA empowerment training.

3 -181 North Sumatera Province 46. Namu Sira-sira Kanan Scheme (2/4) V. IRRIGATION FACILITY V.1 Existing Condition (1) Overall Irrigation System: B (A: Functioning well, B: Partially deteriorated, C: Not functioning well, D: Serious condition for operation) Water Resources Facility : B Main Canal System : C Secondary Canal System : C On-farm : C (2) Water Resources Facilty a. Type of facility : Headworks e. Scouring sluice gate : 2 nos. i. Condition : B b. Type of weir : Fixed weir f. Intake gate : 2 nos. (A: Functioning well, B: Partially deteriorated, C: Not c. Length of weir : 43 m g. Settling basin : provided functioning well, D: Serious condition for operation) d. Design intake discharge : 7.5 m3/s h. Inspection bridge : provided (no info.: no information)

(3) Irrigation Canal and Inspection Road Canal Lined (m) Unlined Total (m) Structure (nos) Inspection road (m) Condition (A: Functioning well, Main 1,200 1,500 2,700 7 2,700 C B: Partially deteriorated, Secondary 31,000 16,266 47,266 315 37,781 C C: Not functioning well, D: Serious condition for (4) Major Problems and Constrains operation) - Water Resources Facility Problem on management for flood/scouring sluice gate(s) operation Problem on management for intake gate(s) operation

- Irrigation Canal and Related Structure Sedimentation or obstruction of water flow Difficulty on maintenance of earth canal Difficulty on water distribution

- Irrigation Canal and Related Structure Insufficient function of settling basin(sediments), improper management of canal (sediments, water plant) Fallen down and collapse of side slope, water plants or weed at inside of canal No provision of water level gauge/facility

V.2 Development Plan (1) Proposed Countermeasures for Major Problems - Water Resources Facility Replacement of control system or damaged equipment of flood/scouring sluice gate(s) of headworks Replacement of control system or damaged equipment of intake/free intake Rehabilitation of settling basin - Irrigation Canal and Related Structure Removal of sediment soil and foreign materials from canal, grass cutting Provision of concrete lining Provision of water level gauge/facility

(2) Water Resources Facility Dam/Headworks body: minor rehabilitation Intake, civil: minor rehabilitation Intake, mechanical : minor rehabilitation Settling basin : minor rehabilitation (3) Irrigation Canal and Related Structure WorksNo rehabilitation Rehabilitation New construction Total Main 0 2,700 0 2,700 Canal (m) Secondary 0 47,226 0 47,226 Structure Main 0 7 1 8 (nos) Secondary 0 315 63 378

(4) On-farm Development (Unit: ha) a. Potential Irrigated paddy field 3,953 d. Non-potential paddy field 0 b. Potential non-irrigated paddy field 0 e. Non-potenttial non-paddy field 0 c. Potential non-paddy field 0Total 3,953

(5) Rehabilitation Cost (Direct Cost) (Unit: Million Rp.) On-Farm Project Cost W.R.FIrrigation Drainage Total Develop. Facility per ha 1,682 58,813 5,881 8,104 1,570 76,050 19.2 (W.R.F: Water Resources Facility, Develop.: Development)

VI. PROJECT EVALUATION VI.1 EIRR 14.1%

VI.2 Prioritization Scoring Evaluation Index Full Score Score Evaluation Index Full Score Score Total Score Irrigation Utilization of Irrigation Potential 10.0 5.0 Agricultural Productivity 20.0 13.0 60.8 System Urgency 25.0 18.0 Social Problem 15.0 6.0 Sustainability 15.0 8.3 Economic Impact 15.0 10.5

VI.3 Priority Group Group II: Second priority group VI.4 Priority Ranking in the Province 11

3 - 182 North Sumatera Province 46. Namu Sira-sira Kanan Scheme (3/4)

Scheme Namu Sira-sira Kanan District Langkat/Binjai

Technical Level Technical Registered Area 4,100 ha Year of Construction 1979 Category Irrigation (Headworks)

Structure Fixed Weir

Condition ABC D Problems Minor repair is required

Category Irrigation (Headworks)

Structure Intake Gate

Condition ABC D Problems Leakage from gate leaf; insufficient strength against design load due to rust, decay of steel material; problem on management due to lack of periodically maintenance

Category Irrigation (Secondary Canal)

Structure Division structure

Condition ABC D Problems Lower function of turn out structure due to sedimentation in front of turn out gate; physical operation problem on turn out structure; damage on turn out structure

Condition: A: Functioning well, B: Partially deteriorated, C: Not functioning well, D: Serious condition for operation 3 - 183 North Sumatera Province 46. Namu Sira-sira Kanan Scheme (4/4)

Scheme Namu Sira-sira Kanan District Langkat/Binjai

Technical LevelTechnical Registered Area 4,100 ha Year of Construction 1979 Category Irrigation (Main Canal)

Structure Masonry Lined Canal

Condition ABC D Problems Sedimentation; leakage from lined canal; deflection of lining toward inside of canal; crack or damage on lined canal

Category Irrigation (Secondary Canal)

Structure Masonry Lined Canal

Condition ABC D Problems Sedimentation; leakage from lined canal; deflection of lining toward inside of canal; crack or damage on lined canal

Category

Structure

Condition ABC D Problems

Condition: A: Functioning well, B: Partially deteriorated, C: Not functioning well, D: Serious condition for operation 3 - 184