SCALE. Location of District LEGEND. Irrigation Scheme. M a n d a r B a y. Location Map of Irrigation Schemes in Polmas District MAMUJU DISTRICT

Transcription

1 MMUJU ISTRICT N Location of istrict CENTRL SULWESI SOUTHEST SULWESI PRE-PRE UJUNG PNNG SOUTH SULWESI PROVINCE MJENE ISTRICT Sumarorong Mangngi TN TORJ ISTRICT LEGEN Capital Town of istrict Sub-istrict Town POLMS ISTRICT 34. Gamo-Gamo istrict oundary Sub-istrict oundary 33. Lakeja Provincial Road istrict Road 32. Maloso, Sekka River Irrigation Scheme Technical Irrigation Campalagian Wonomulyo POLEWLI PINRNG ISTRICT Name of Scheme Irrigation Scheme Registered rea (Ha) Subject rea (Ha) Tinambung M a n d a r a y SCLE 2 Km 32. Maloso, Sekka 33. Lakejo 34. Gamo-Gamo T : Technical Irrigation 2,991 1,265 4,82 T T T 2, ,743 The Study on Comprehensive Recovery Program of Irrigation griculture Japan International Cooperation gency Location Map of Irrigation Schemes in Polmas istrict

2 32. Maloso, Sekka Scheme (1/4) I. PROJECT FUNMENTLS I.1 General (1) Code Number : (7) Number of Farmers : 3,185 (2) Name of Irrigation Scheme : Maloso, Sekka (8) Water Resource River : Maloso (3) istrict (Kabupaten) : Polmas (9) Catchment rea (km 2 ) : 88. (4) Sub-district (Kecamatan) : Wonomulyo (1) Completion / Last Rehabilitation Year : 1937/1996 (5) Registered rea (ha) : 2,991 (6) Technical Level : Technical I.2 vailability of Reports/ocuments & References ( : vailable, : vailable but partially, C : Not available/ No plan) a. esign Reports of Existing System(Full set) b. Irrigation diagram c. s-built drawings d. lists & diagram e. Rehabilitation plan & its references f. Crops and yield data g. Cropping Calender h. WUs data C 26 II.1 Present and Planned Land Use a. Irrigated paddy field b. Rainfed paddy field c. Upland Field d. Uncultivated Land e. Non-irrigable Total II. SUJECT RE FOR REHILITTION PLN Present (ha) Plan (ha) Increment (ha) 1,911 2, ,357 2,357 III. GRICULTURE III.1 Present/efore Project (1) Irrigation Performance and Crop Production Season Cropped rea in Irrigated Paddy Field nnual Irrigated Paddy Yield Crop Production (ton) 1/ Paddy (ha) Palawija Others (ha) Total (ha) Intensity (GKG ton/ha) Paddy Palawija Others Season I (wet) 1,911 1,911 1% 4.5 9,715 Season II (dry I) 1,911 1,911 1% 5. 9,555 Season III (dry II) % 223 Total/nnual 3,822 3,822 2% , /: Irrigated & rainfed paddy & palawija (2) and Constraints. Irrigation & griculture Performances - High irrigation performances attained in irrigated area; however water shortage in dry season reported; existence of rainfed field (446ha) - ouble cropping of paddy practiced in the entire irrigated area; paddy yield levels low to moderate; palawija not introduced yet. Primary Constraint Identified through the Inventory Survey by the JIC Study - Irrigation & rainage: Water shortage at on-farm level in dry season - Palawija Marketing: Low marketing prices - gronomic Issues: amage caused by rat - Farmers Organizations: Managerial capacity of KTs are limited - Paddy Marketing Low marketing prices - Extension Services: Implementation of extension programs is limited III.2 evelopment Plan (1) evelopment pproaches - Expansion of irrigated area & ensuring year round irrigation water supply at on-farm level through rehabilitation & upgrading - Expansion of double cropped area of paddy; productivity increase of paddy through intensification; introduction of palawija in dry season I - Extension activities toward improvement of post-harvest & marketing; empowerment of farmer groups (KTs) to establish agri-business oriented KTs (2) Planned Irrigation Performances and Crop Production Cropped rea in Irrigated Paddy Field nnual Irrigated Paddy Yield Crop Production (ton) Season Paddy (ha) Palawija Others (ha) Total (ha) Intensity (GKG ton/ha) Paddy Palawija Others Season I (wet) Season II (dry I) Season III (dry II) Total/nnual nnual Increment 2,357 2,357 1% ,964 2, ,357 1% ,666 1,18 4, ,714 2% ,629 1, %.7 5, IV. WUs IV.1 Existing (1) Number a. Target; 26 b. Established; 26 c. Not yet; Registered Performance a. eveloped; 4 b. Under developing; 22 c. Not yet; Not yet registered 26 (2) and Constraints Operation Maintenance Management (3) Causes of and Constraints (No information) IV.2 evelopment Plan (1) Proposed Countermeasures (2) evelopment Plan 3-125

3 32. Maloso, Sekka Scheme (2/4) V. IRRIGTION FCILITY V.1 Existing (1) Overall Irrigation System : C (: Functioning well, : Partially deteriorated, C: Not functioning well, : Serious condition for operation) Water Resources Facility : Main Canal System : C Secondary Canal System : On-farm : (2) Water Resources Facilty a. Type of facility : Free Intake e. Scouring sluice gate : - i. : b. Type of weir : - f. Intake gate : 1 nos. (: Functioning well, : Partially deteriorated, C: Not c. Length of weir : - g. Settling basin : not provided functioning well, : Serious condition for operation) d. esign intake discharge : 4.9 m3/s h. Inspection bridge : - (no info.: no information) (3) Irrigation Canal and Inspection Road Canal Lined (m) Unlined (m) Total (m) Main 6,714 6,714 Secondary 18,723 18,723 (nos) (4) Major and Constrains Insufficient diversion water due to sedimentation in front of intake Physical operational problem on intake gate(s) 1 23 Inspection road (m) 6,714 C (: Functioning well, : Partially deteriorated, C: Not functioning well, : Serious condition for operation) - Irrigation Canal and Related Sedimentation or obstruction of water flow Impassable of inspection road along canal General O&M problems ifficulty on maintenance of earth canal ifficulty on O&M (5) Causes of Major and Constraints 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 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 evelopment Plan (1) Proposed Countermeasures for Major redging or flushing of sediment, proper gate operation of headworks and intake Replacement of intake gate(s) - Irrigation Canal and Related 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 am/headworks body : minor rehabilitation Intake, civil : minor rehabilitation Intake, mechanical : minor rehabilitation Settling basin : replacement or new (3) Irrigation Canal and Related Works No rehabilitation Rehabilitation New construction Total Canal (m) (nos) Main Secondary Main Secondary 5,34 5,34 14,791 14, (4) On-farm evelopment (Unit: ha) a. Potential Irrigated paddy field 1,911 d. Non-potential paddy field b. Potential non-irrigated paddy field 446 e. Non-potenttial non-paddy field c. Potential non-paddy field Total 2,357 (5) Rehabilitation Cost (irect Cost) (Unit: Million Rp.) On-Farm Project Cost W.R.F Irrigation rainage Total evelop. Facility per ha 3,112 24,344 2,434 5,6 1,57 36, (W.R.F: Water Resources Facility, evelop.: evelopment) VI.1 EIRR 13.3% VI. PROJECT EVLUTION VI.2 Prioritization Scoring Evaluation Index Full Score Score Evaluation Index Full Score Score Total Score Irrigation Utilization of Irrigation Potential gricultural Productivity System Urgency Social Problem Sustainability Economic Impact VI.3 Priority Group Group III: Third priority group VI.4 Priority Ranking in the Province

4 32. Maloso, Sekka Scheme (3/4) Scheme Maloso, Sekka istrict Polmas Technical Level Technical Registered rea 2,991 ha Year of Construction 1937/96 18 Irrigation (Headworks) Weir Crest, Rear View Crack or damage on weir crest; settlement of weir body. 183 Irrigation (Headworks) Intake, Scouring Sluice Gate Leakage from gate leaf; insufficient strength against design load due to rust, decay of steel material. 184 Irrigation (Main Canal) Masonry Lined Canal Sedimentation; leakage from lined canal; crack on lined canal; deflection of lining toward inside of canal; less maintenance; and no inspection road. : : Functioning well, : Partially deteriorated, C: Not functioning well, : Serious condition for operation 3-127

5 32. Maloso, Sekka Scheme (4/4) Scheme Maloso, Sekka istrict Polmas Technical Level Technical Registered rea 2,991 ha Year of Construction griculture, On-Farm Paddy Field 1937/96 Tranplanting C griculture, On-Farm Paddy Cultivation Low density of on-farm canals and farm roads. C : : Functioning well, : Partially deteriorated, C: Not functioning well, : Serious condition for operation 3-128

6 33. Lakejo Scheme (1/4) I. PROJECT FUNMENTLS I.1 General (1) Code Number : (7) Number of Farmers : 837 (2) Name of Irrigation Scheme : Lakejo (8) Water Resource River : Lakejo/Riso (3) istrict (Kabupaten) : Polewali (9) Catchment rea (km 2 ) : (4) Sub-district (Kecamatan) : Wonomulyo/Tadango (1) Completion / Last Rehabilitation Year : 1969/1986 (5) Registered rea (ha) : 1,265 (6) Technical Level : Technical I.2 vailability of Reports/ocuments & References ( : vailable, : vailable but partially, C : Not available/ No plan) a. esign Reports of Existing System(Full set) b. Irrigation diagram c. s-built drawings d. lists & diagram e. Rehabilitation plan & its references f. Crops and yield data g. Cropping Calender h. WUs data C 12 II.1 Present and Planned Land Use a. Irrigated paddy field b. Rainfed paddy field c. Upland Field d. Uncultivated Land e. Non-irrigable Total II. SUJECT RE FOR REHILITTION PLN Present (ha) Plan (ha) Increment (ha) III. GRICULTURE III.1 Present/efore Project (1) Irrigation Performance and Crop Production Season Cropped rea in Irrigated Paddy Field nnual Irrigated Paddy Yield Crop Production (ton) 1/ Paddy (ha) Palawija Others (ha) Total (ha) Intensity (GKG ton/ha) Paddy Palawija Others Season I (wet) % 4. 3,84 Season II (dry I) % 4.5 3,425 Season III (dry II) Total/nnual 1,721 1, % 4.2 7,265 1/: Irrigated & rainfed paddy & palawija (2) and Constraints. Irrigation & griculture Performances - High irrigation performances attained; however water shortage in dry season reported - ouble cropping of paddy practiced in most of the entire irrigated area; paddy yield levels low to moderate; palawija not introduced yet. Primary Constraint Identified through the Inventory Survey by the JIC Study - Irrigation & rainage: Water shortage at on-farm level in dry season - Palawija Marketing: Limited bargaining power of farmers - gronomic Issues: Farmers not following recommended practices - Farmers Organizations: No collaboration among KTs - Paddy Marketing Poor quality of products - Extension Services: Capability & experiences of PPLs are limited III.2 evelopment Plan (1) evelopment pproaches - 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 - 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 rea in Irrigated Paddy Field nnual Irrigated Paddy Yield Crop Production (ton) Season Paddy (ha) Palawija Others (ha) Total (ha) Intensity (GKG ton/ha) Paddy Palawija Others Season I (wet) Season II (dry I) Season III (dry II) Total/nnual nnual Increment % 5. 4, % 5.5 4, , ,92 2% 5.2 9, % 1. 2, IV. WUs IV.1 Existing (1) Number a. Target; 15 b. Established; 15 c. Not yet; Registered Performance a. eveloped; b. Under developing; 15 c. Not yet; Not yet registered 15 (2) and Constraints Operation Maintenance Management (3) Causes of and Constraints - No collection of WU membership fee. IV.2 evelopment Plan (1) Proposed Countermeasures - Improvement of administration management system (2) evelopment Plan - WU management tarining

7 33. Lakejo Scheme (2/4) V. IRRIGTION FCILITY V.1 Existing (1) Overall Irrigation System : C (: Functioning well, : Partially deteriorated, C: Not functioning well, : Serious condition for operation) Water Resources Facility : Main Canal System : Secondary Canal System : On-farm : (2) Water Resources Facilty a. Type of facility : Headworks e. Scouring sluice gate : 1 nos. i. : b. Type of weir : Fixed weir f. Intake gate : 1 nos. (: Functioning well, : Partially deteriorated, C: Not c. Length of weir : 36 m g. Settling basin : not provided functioning well, : Serious condition for operation) d. esign intake discharge : 3. m3/s h. Inspection bridge : not provided (no info.: no information) (3) Irrigation Canal and Inspection Road Canal Lined (m) Unlined (m) Total (m) Main Secondary 7,37 1,4 8,77 (4) Major and Constrains Fallen down, inclined, or washed away of retaining wall of weir Insufficient diversion water due to sedimentation in front of intake Physical operational problem on intake gate(s) - Irrigation Canal and Related Impassable of inspection road along canal General O&M problems ifficulty on maintenance of earth canal Lower function of regulating structure on canal ifficulty on O&M (5) Causes of Major and Constraints Insufficient quality of concrete or masonry material, over acting earth pressure more than design 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 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 eterioration 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 evelopment Plan (1) Proposed Countermeasures for Major Reconstruction of retaining wall of weir redging or flushing of sediment, proper gate operation of headworks and intake Replacement of intake gate(s) - Irrigation Canal and Related 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 and reconstruction of regulating structure on canal Provision or repair of inspection road with all weather type/pavement (2) Water Resources Facility am/headworks body : minor rehabilitation Intake, civil : large rehabilitation Intake, mechanical Settling basin : replacement or new (3) Irrigation Canal and Related Works No rehabilitation Rehabilitation New construction Total Canal (m) (nos) Main Secondary Main Secondary (nos) Inspection road (m) (4) On-farm evelopment (Unit: ha) a. Potential Irrigated paddy field 96 d. Non-potential paddy field b. Potential non-irrigated paddy field e. Non-potenttial non-paddy field c. Potential non-paddy field Total 96 : large rehabilitation (5) Rehabilitation Cost (irect Cost) (Unit: Million Rp.) On-Farm Project Cost W.R.F Irrigation rainage Total evelop. Facility per ha 2,587 5, ,968 1,26 12, (W.R.F: Water Resources Facility, evelop.: evelopment) , , (: Functioning well, : Partially deteriorated, C: Not functioning well, : Serious condition for operation) VI.1 EIRR 16.5% VI. PROJECT EVLUTION VI.2 Prioritization Scoring Evaluation Index Full Score Score Evaluation Index Full Score Score Total Score Irrigation Utilization of Irrigation Potential 1. - gricultural Productivity System Urgency Social Problem Sustainability Economic Impact VI.3 Priority Group Group VI: evelopment by other category VI.4 Priority Ranking in the Province - (Subject area is less than 1, ha) 3-13

8 33. Lakejo Scheme (3/4) Scheme Lakejo istrict Polmas Technical Level Technical Registered rea 1,265 ha Year of Construction 1969/86 SS Irrigation (Headworks) Stilling asin, Ripraps Washed away of stilling basin; washed away of ripraps or gabions at downstream of stilling basin. SS Irrigation (Headworks) Intake Insufficient diversion water due to sedimentation in front of intake; broken of gates. SS Irrigation (Secondary Canal) ivision Lower function of division structure due to sedimentation in front gate; physical operation problem on structure; deterioration of steel gates.. : : Functioning well, : Partially deteriorated, C: Not functioning well, : Serious condition for operation 3-131

9 33. Lakejo Scheme (4/4) Scheme Lakejo istrict Polmas Technical Level SS Technical Registered rea 1,265 ha Year of Construction Irrigation (Secondary Canal) Earth Canal 1969/86 Sedimentation; collapse of canal; leakage from canal; difficulty on maintenance of earth canal; no inspection road. griculture, On-Farm Transportation of Products C icycle transportation due to no farm roads. griculture, On-Farm Treshering by Power Engine C : : Functioning well, : Partially deteriorated, C: Not functioning well, : Serious condition for operation 3-132

10 34. Gamo-Gamo Scheme (1/4) I. PROJECT FUNMENTLS I.1 General (1) Code Number : (7) Number of Farmers : 2,151 (2) Name of Irrigation Scheme : Gamo-Gamo (8) Water Resource River : Sungai ndau (3) istrict (Kabupaten) : Polmas (9) Catchment rea (km 2 ) : (4) Sub-district (Kecamatan) : Wonomulyo (1) Completion / Last Rehabilitation Year : 1937/1996 (5) Registered rea (ha) : 4,82 (6) Technical Level : Technical I.2 vailability of Reports/ocuments & References ( : vailable, : vailable but partially, C : Not available/ No plan) a. esign Reports of Existing System(Full set) b. Irrigation diagram c. s-built drawings d. lists & diagram e. Rehabilitation plan & its references f. Crops and yield data g. Cropping Calender h. WUs data C 28 II.1 Present and Planned Land Use a. Irrigated paddy field b. Rainfed paddy field c. Upland Field d. Uncultivated Land e. Non-irrigable Total II. SUJECT RE FOR REHILITTION PLN Present (ha) Plan (ha) Increment (ha) 2,371 4,743 2,372 2,372-2,372 4,743 4,743 III. GRICULTURE III.1 Present/efore Project (1) Irrigation Performance and Crop Production Season Cropped rea in Irrigated Paddy Field nnual Irrigated Paddy Yield Crop Production (ton) 1/ Paddy (ha) Palawija Others (ha) Total (ha) Intensity (GKG ton/ha) Paddy Palawija Others Season I (wet) 2,367 2,367 1% 4. 15,398 Season II (dry I) 2, ,351 99% 4.5 1, Season III (dry II) Total/nnual 4, , % , /: Irrigated & rainfed paddy & palawija (2) and Constraints. Irrigation & griculture Performances - High irrigation performances attained; however water shortage in dry season reported - ouble cropping of paddy practiced in the entire irrigated area; paddy yield levels low to moderate; palawija introduced limitedly. Primary Constraint Identified through the Inventory Survey by the JIC Study - Irrigation & rainage: Water shortage at on-farm level in dry season - Palawija Marketing: Low marketing prices - gronomic Issues: amage caused by rat - Farmers Organizations: Managerial capacity of KTs are limited - Paddy Marketing Low marketing prices - Extension Services: Implementation of extension programs is limited III.2 evelopment Plan (1) evelopment pproaches - 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 - 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 rea in Irrigated Paddy Field nnual Irrigated Paddy Yield Crop Production (ton) Season Paddy (ha) Palawija Others (ha) Total (ha) Intensity (GKG ton/ha) Paddy Palawija Others Season I (wet) Season II (dry I) Season III (dry II) Total/nnual nnual Increment 4,743 4,743 1% 5. 23,715 2, ,794 8% ,653 2,986 7, ,537 18% ,368 2,986 2, ,819-19% 1. 13,575 2,471 IV. WUs IV.1 Existing (1) Number a. Target; 31 b. Established; 31 c. Not yet; Registered Performance a. eveloped; 4 b. Under developing; 27 c. Not yet; Not yet registered 31 (2) and Constraints Operation Maintenance Management (3) Causes of and Constraints (No information) IV.2 evelopment Plan (1) Proposed Countermeasures (2) evelopment Plan 3-133

11 34. Gamo-Gamo Scheme (2/4) V. IRRIGTION FCILITY V.1 Existing (1) Overall Irrigation System : C (: Functioning well, : Partially deteriorated, C: Not functioning well, : Serious condition for operation) Water Resources Facility : Main Canal System : C Secondary Canal System : On-farm : C (2) Water Resources Facilty a. Type of facility : Headworks e. Scouring sluice gate : 6 nos. i. : b. Type of weir : Fixed weir f. Intake gate : 7 nos. (: Functioning well, : Partially deteriorated, C: Not c. Length of weir : 14 m g. Settling basin : provided functioning well, : Serious condition for operation) d. esign intake discharge : 5.2 m3/s h. Inspection bridge : provided (no info.: no information) (3) Irrigation Canal and Inspection Road Canal Lined (m) Unlined (m) Total (m) Main ,7 Secondary 3,614 26,376 29,99 (nos) (4) Major and Constrains Insufficient diversion water due to sedimentation in front of intake Inflow of bed loads into canal and decrease canal flow capacity 2 43 Inspection road (m) 1,7 7,389 C (: Functioning well, : Partially deteriorated, C: Not functioning well, : Serious condition for operation) - Irrigation Canal and Related Sedimentation or obstruction of water flow General O&M problems ifficulty on maintenance of earth canal Lower function of regulating structure on canal ifficulty on O&M (5) Causes of Major and Constraints Sedimentation in front of intake Insufficient function of settling basin, no proper gate operation of intake during flood - Irrigation Canal and Related Insufficient function 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 eterioration 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 evelopment Plan (1) Proposed Countermeasures for Major redging or flushing of sediment, proper gate operation of headworks and intake Replacement of settling basin, proper gate operation of intake during flood - Irrigation Canal and Related 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 am/headworks body : minor rehabilitation Intake, civil : minor rehabilitation Intake, mechanical : minor rehabilitation Settling basin : replacement or new (3) Irrigation Canal and Related Works No rehabilitation Rehabilitation New construction Total Canal (m) (nos) Main Secondary Main Secondary 1,7 29, (4) On-farm evelopment (Unit: ha) a. Potential Irrigated paddy field 2,371 d. Non-potential paddy field 3 b. Potential non-irrigated paddy field 2,72 e. Non-potenttial non-paddy field c. Potential non-paddy field Total 4,743 1,7 29, (5) Rehabilitation Cost (irect Cost) (Unit: Million Rp.) On-Farm Project Cost W.R.F Irrigation rainage Total evelop. Facility per ha 5,898 32,68 3,268 1,939 1,57 54, (W.R.F: Water Resources Facility, evelop.: evelopment) VI.1 EIRR 18.8% VI. PROJECT EVLUTION VI.2 Prioritization Scoring Evaluation Index Full Score Score Evaluation Index Full Score Score Total Score Irrigation Utilization of Irrigation Potential gricultural Productivity System Urgency Social Problem Sustainability Economic Impact VI.3 Priority Group Group I: First priority group VI.4 Priority Ranking in the Province

12 34. Gamo-Gamo Scheme (3/4) Scheme Gamo-Gamo istrict Polmas Technical Level Technical Registered rea 4,82 ha Year of Construction Irrigation (Headworks) Fixed Weir C Not in use at present 171 Irrigation (Main Canal) ivision Lower function of division structure due to sedimentation in front gate; physical operation problem on structure. 17 Irrigation (Main Canal) ivision Lower function of division structure due to sedimentation in front gate; physical operation problem on structure. : : Functioning well, : Partially deteriorated, C: Not functioning well, : Serious condition for operation 3-135

13 34. Gamo-Gamo Scheme (4/4) Scheme Gamo-Gamo istrict Polmas Technical Level Technical Registered rea 4,82 ha Year of Construction griculture, On-Farm Paddy Cultivation Low density of on-farm canals and farm roads. griculture, On-Farm Harvesting Low density of on-farm canals and farm roads. C : : Functioning well, : Partially deteriorated, C: Not functioning well, : Serious condition for operation 3-136