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நீங்கள் இங்கே உள்ளீர்கள்:  முகப்பு பாரிய கருத்திட்டங்கள்

பாரிய கருத்திட்டங்கள்

Deduru Oya

Basic Data
Province : North Western
District : Kurunegala
Divisional Secretaries Area : Wariyapola
Estimated Cost : Rs 13,540.0 M
Funded by : Government of Sri Lanka
Coordinate : I/3(10.0*0.01)
River Basin : Deduru Aru
Bund : Earthen Bund
Reservoir Data
Capacity : 75.0 MCM
Bund Length : 1.90 Km
Bund Top Level : 70.25 m MSL
Catchment Area : 1400 sq Km
Length of Trans Basin Canal : 33 Km
Benefits
  • Irrigation - Increase total extent of cultivation lands under major tanks. Improve crop intensity up to 2.0
  • Lift Irrigation for cash crops in high lands
  • Drinking water supply to 50,000 families in Kurunegala and Puttalama. - Improve water quality
Expected Benefits to the Country
  • Increases Gross Domestic Production.
  • Improve livelihood practices/ living standards/ prevent youth unrest
  • Rural development towards reduction of demographic transition
  • 1.5 MW Hydro Electricity Generations.
Command Area
Ridi Bendi Ella (Magalla wewa)
Existing - 2400 h.a
New - 600 h.a
Mee Oya Basin
Inginimitiya Scheme (Existing) - 2640 h.a
Radavi Bendi Ella (Existing) - 210 h.a
Tabbowa Scheme (Existing) - 865 h.a
Radavi Bendi Ella (New) - 400 h.a
Total Command Area - 11115 h.a
 

Digili Oya

Basic Data
Province :
District :
Divisional Secretaries Area :
Estimated Cost :
Funded by :
Coordinate :
River Basin :
Bund :
Reservoir Data
Capacity :
Dead Storage :
Bund Length :
Bund Top Level :
Bund Height :
Top Width :
Catchment Area :
Water Spread Area :
Sluice
Gates -
U/S Sill -
D/S Sill -
Spill
Gate Size -
U/S Sill -
D/S Sill -
Ogee Spill -
Canal Data
Main Canal -
D canals -
Field Canals -
Benefits
Expected Benefits to the Country
 

Ella Pothana

Basic Data
Province :
District :
Divisional Secretaries Area :
Estimated Cost :
Funded by :
Coordinate :
River Basin :
Bund :
Reservoir Data
Capacity :
Dead Storage :
Bund Length :
Bund Top Level :
Bund Height :
Top Width :
Catchment Area :
Water Spread Area :
Sluice
Gates -
U/S Sill -
D/S Sill -
Spill
Gate Size -
U/S Sill -
D/S Sill -
Ogee Spill -
Canal Data
Main Canal -
D canals -
Field Canals -
Benefits
Expected Benefits to the Country
 

Ella Wewa

Basic Data
Province : Sabaragamuwa
District : Rathnapura
Divisional Secretaries Area :
Estimated Cost : Rs. 470 mn
Funded by :
Irrigable area : Existing - 1,250 mn
Proposed capacity : 1,800 ac.ft
Farm Families : 600 families (under Panamura)
Reservoir Data
Capacity :
Dead Storage :
Bund Length :
Bund Top Level :
Bund Height :
Top Width :
Catchment Area :
Water Spread Area :
Sluice
Gates -
U/S Sill -
D/S Sill -
Spill
Gate Size -
U/S Sill -
D/S Sill -
Ogee Spill -
Canal Data
Main Canal -
D canals -
Field Canals -
Benefits
Expected Benefits to the Country
 

Ganagalathenna

Basic Data
Province :
District :
Divisional Secretaries Area :
Estimated Cost :
Funded by : Government of Sri Lanka
Project Duration :
No of Beneficiaries :
Bund :
Reservoir Data
Co-ordinate : J/21 (8.23 & 2.20)
Dead Storage :
Specific yield Maha : 141 Acft
Yala : 61 Acft
Tank Bund length : 160 m
Full Supply level : 112.2 m
High flood level : 112.6 m
Afflux : 0.4 m
Bund top level : 113.7 m
Area at F.S.L : 10.5 Acs
Capacity at F.S.L : 160500 m cubic
Side slops u/s : 1:2.5
d/s : 1:2.0
Maximum bund height : 12.7 m
R.B. Sluice
Type : Concrete Tower
Size : 0.6 X 0.6m. rectangular
Sill level : 106.0 m
L.B Sluice
Type : Hume pipe tower
Size : 0.6 m. dia.
Sill level : 106.0m
Spillway
Type : Clear overflow
Length : 11 m
 

Kalugal Oya

Basic Data
Province : Eastern
District : Ampara
Divisional Secretaries Area : Uhana
Estimated Cost : Rs. 1.87 Bn
Funded by : Government of Sri Lanka
Coordinate : J/20(2.04x7.45)
River Basin :
Bund :
No of Beneficiaries : 1,000 families
Irrigable Area : 608 ha (1,500 Acres)
Reservoir Capacity : 10 MCM (8,100 Acft)
Project Duration : 2014 to 2016
Reservoir Data
Full Supply level : 57.00m MSL
Capacity : 8004 Ac.ft
Dead Storage Level : 48.50m MSL
Dead Storage : 258 Ac.ft
Dam
Type : Homogeneous Earth Fill
Bund Top level : 59.5 m MSL
Bund Top width : 5.0m
Maximum Height of the Bund : 18.2m
Length of the Bund : U/S 1 on 3.0
Side slope : D/S 1 on 2.5
Spill Way
Size gates : 2 Nos of 20ft X 18.35ft radial
Spill Crest : 51.710m MSL
High Flood level : 57.230m MSL
Sluices
No of sluices : 1 No
Type : Tower Type
Size : Rectangular 1.0m X 1.25m
Size of Gate : Rectangular 1.25m X 1.85m
Channel System
Main Channel : 800m
RB Main Channel : 12km Extent 1100 Acs
LB Main Channel : 4.5km Extent 400Acs
Access Road
Length of Access Road : 2km
Width : 7m
Benefits
Maha (Paddy) : 1,500Acs
Yala (Pady) : 1,500Acs
It has been proposed to construct a reservoir across the kalugaloya river to irrigate the paddy land of an extend of 1500 acs, by including just 600 acs in Bandaraduwa area and it would be a real benefit to the country.
Innundation
Inundation area at 57m MSL : 575 Acs
FSL of Navakiri Tank : 35.97m MSL
Design Bed Level at the end of R/B Channel : 43.922m MSL
 

Lower Uwa

Basic Data
Province : UVA
District : Monaragala
Divisional Secretaries Area :
Estimated Cost : Rs.550 mn
Funded by :
Coordinate :
River Basin :
Bund :
Reservoir Data
Capacity :
Dead Storage :
Bund Length :
Bund Top Level :
Bund Height :
Top Width :
Catchment Area :
Water Spread Area :
Sluice
Gates -
U/S Sill -
D/S Sill -
Spill
Gate Size -
U/S Sill -
D/S Sill -
Ogee Spill -
Canal Data
Main Canal -
D canals -
Field Canals -
Benefits
  • Existing land       : 6,000 acs
  • New Land           : 300 acs
Expected Benefits to the Country
 

Mahagona Wewa

Basic Data
Province : Central
District : Matale
Divisional Secretaries Area :
Estimated Cost : Rs 70 mn
Funded by :
Coordinate :
River Basin :
Bund :
Reservoir Data
Capacity :
Dead Storage :
Bund Length :
Bund Top Level :
Bund Height :
Top Width :
Catchment Area :
Water Spread Area :
Sluice
Gates -
U/S Sill -
D/S Sill -
Spill
Gate Size -
U/S Sill -
D/S Sill -
Ogee Spill -
Canal Data
Main Canal -
D canals -
Field Canals -
Benefits
  • New Land       - 450 acs
  • Farm Families  - 300 families
Expected Benefits to the Country
 

Morana

Basic Data
Province :
District : Badulla
Divisional Secretaries Area :
Estimated Cost : Rs 1.70 Bn
Funded by : Government of Sri Lanka
Project Duration : 2012 to 2016
No of Beneficiaries : 1,000 families
Bund :
Reservoir Data
Capacity : 20 MCM (16,202 Acft)
Dead Storage :
Bund Length :
Bund Top Level :
Bund Height :
Top Width :
Irrigable Area : 810 ha (2,000 Acres)
Sluice
Gates -
U/S Sill -
D/S Sill -
Spill
Gate Size -
D/S Sill -
Ogee Spill -
Canal Data
Main Canal -
D canals -
Field Canals -
Benefits
Expected Benefits to the Country
 

Rambukkan Oya

Basic Data
Province : Eastern
District : Ampara
Divisional Secretaries Area : Maha Oya
Estimated Cost : Rs 3,970.0 M
Funded by : Government of Sri Lanka
Coordinate : J/19(5.9*8.5)
River Basin : Mundeni Aru
Bund : Earthen Bund
Reservoir Data
Capacity : 56.2 MCM
Dead Storage : 3.0 MCM
Bund Length : 1.25 Km
Bund Top Level : 77.75 m MSL
Bund Height : 24.69 m
Top Width : Top Width
Catchment Area : 129.5 sq Km
Water Spread Area : 2002 ac
Sluice
Gates - 2/ 1.4 m Width * 2.4 m Height
U/S Sill - 63.4 m Msl
D/S Sill - 63.1 m Msl
Spill
Gate Size - 2/7.6m Width * 7.0 m Height
U/S Sill - 62.0 m Msl
D/S Sill - 65.5 m Msl
Ogee Spill - 68.4m
Canal Data
Main Canal - 6.7 Km
D canals - 4,000 Km
Field Canals - 92 Km
Benefits
  • Irrigable Area: 3500 Ac (Paddy)
  • 1,200 Ac (High lands)
Expected Benefits to the Country
Paddy - 11,480 MT
Chilles - 1,150 MT
Red Onion - 4,155 MT
 

Yan Oya

Basic Data
Province : Nort East
District : Anuradapura & Trincomalee
Divisional Secretaries Area :
Estimated Cost : Rs 34 Bn
Funded by : Government of SriLanka
Coordinate :
No of Beneficiaries : 7,000 families
Irrigable Area-Existing : 7,905 ha (19,525 Acres)
Irrigable Area-New : 1,497 ha ( 3,697 Acres)
Reservoir Data
Capacity : 169 MCM (136,905 Acft)
Full Supply Level : 36 m msl
Bund Top Level : 40.91 m msl
Water Spread area at FSL : 3793 ha
LB main canal capacity : 8.37 cubic m/s
RB main canal capacity : 3.25 cubic m/s
Main Features
Length of Dam - 2.35 km
Length of Saddle Dams (4Nos) - 3.59km
Radial gated ogee spillway(12mx8m) - 05 Nos
Length of concrete lined LB Main Canel - 22 km
Length of RB Main Canel - 11.7 km
Length of Branch canals for LBMC & RBMC - 26 km
Hydrological Data
Yan Oya basin catchement - 1520 sq.km
Huruluwewa Catchment area - 200 sq.km
Wahalkada Catchment area - 90 sq.km
Yan Oya Reservoir Catchment area - 1341 sq.km
Annual avg. rainfall at dam site - 1411 mm
Inflow at dam Site - 230 MCM
 

Last Updated on Friday, 09 August 2013 10:16  







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