BATMAN LEFT BANK IRRIGATION AND DRAINAGE PROJECT

Summary

Project located on Turkeys South-East Region in Batman and Diyarbakir province. Project water source is Batman Dam. Project based on Planning Report established in 1993. Project formulation is intermediate-pressure pipes that take water over from main channel. Pipes distribute water to the irrigation field. Project also contains 3 pump station that deliver water from main channel to P1, P2 and P3 main channels. P1 and P2 main channels are downstream controlled. Main channel alignments mostly goes over roughly terrain and steep slopes. There for 5 gallery must be construct on the alignment. Also many creeks must be passed for this reason 25 syphon must be construct. Project located in Batman and Diyarbakır province on South-East region of the Turkey. Project planning to irrigate right and left bank of the Batman River via water potential of this river. Project water source is Batman Dam which built on the same river. On the right bank there are Diyarbakır Province’s Silvan and Bismil district, on the left bank there are Batman Province’s main villages’ irrigation lands. Project contains 18,917 ha irrigation land. 9,681 ha of 18,917 ha is gravitational, 9,236 ha is pumping irrigation. On main gravity channel km: 46+953.00 P1 pumping station is located. And on P1 channel km: 1+799.00 P2 pumping station is located.

Topography have weak grade on the upstream section. There are huge planes on the valley side. North side of the irrigation field Silvan District lays on west-east direction. South side of the irrigation field Raman heightens lays on west-east direction. Project field have deep subsidence both north and south. For south and north project field topography is rising. These rising topography have bare mountains and at the top of the mountains little planes. Subsidence topography pretty wavy.

Project main purposes are Diyarbakır Province’s Silvan and Bismil district, Batman Province’s rising population needs, produce more food items, offer business opportunity, rise populations standard of living.




Syphon Name Syphon Diameter (m) Barrel Number Syphon Lenght (m)
SYPHON-1 2.80 2 132,50
SYPHON-2 2.80 2 241,86
SYPHON-3 2.80 2 352,82
SYPHON-4 2.80 2 253,67
SYPHON-5 2.80 2 306,85
SYPHON-6 2.80 2 275,46
SYPHON-7 2.80 2 218,08
SYPHON-8 2.80 2 337,50
SYPHON-9 2.80 2 238,86
SYPHON-10 2.20 3 1097,15
SYPHON-11 2.20 3 434,33
SYPHON-12 2.20 3 338,76
SYPHON-13 2.20 3 451,54
SYPHON-14 2.20 3 368,74
SYPHON-15 2.20 3 608,03
SYPHON-16 2.20 3 620,79
SYPHON-17 2.20 3 276,74
SYPHON-18 2.10 3 104,04
SYPHON-19 2.10 3 117,91
SYPHON-20 2.20 3 180,38
SYPHON-21 2.20 3 218,21
SYPHON-22 2.30 3 47,00
SYPHON-23 2.10 3 178,60
SYPHON-24 1.90 1 405,00
TOTAL 7,804.82
Gallery Name Diameter (m) Gallery Length (m)
GALLERY-1 4 212.72
GALLERY-2 4 54.55
GALLERY-3 4 279.68
GALLERY-4 4 510
GALLERY-5 2.5 290
TOTAL 1,346.95
Structures Number
Parting Turnouts 84
Outlets 58
Bridge 40
Culvert 17
Check 43
Upper Flood Pass 54
Lower Flood Pass 16
Flood Pass 7
Wasteway Turnout 6
EBOY 2
Gasline Crossing 1
Control Structure 2
Safety Syphon 1
Channel Type Length (m)
Channel with wall 4,739.77
Trapezodial Channel 51,998.46
Structures Name Number
Branch 109
İsolation Valve 6
Simple Hydrant 58
Hydrant 700
Air Valve 199
Wasteway 366

Main Channel and Structures

Batman Left bank main gravity channel length 66 km. Water taken from Batman Dam transmitted to irrigation field with gravitational. Initial discharge of the main channel is 20.20 m³/s. Main channel is mostly have trapezoidal section, some sections are channel with the wall. On main channel there are 24 Syphon and 5 galleries.


Batman Left P1 Right Main Channel

Batman Left bank main gravity channel length 33 km. Water taken from P2 Pumping Station. Initial discharge of the main channel is 10.76 m³/s. Main channel have only trapezoidal section. On main channel there are 1 Syphon.


Syphon Name Syphon Diameter Barrel Number SyphonLenght (m)
SYPHON-1 2.00 1 441.99
Structures Name Number
Parting Turnouts 50
Outlets 43
Bridge 30
Culvert 5
Check 14
Upper Flood Pass 18
Lower Flood Pass 17
BY-PASS Structure 1
Wasteway Turnout 1
EBOY 14
Pipeline Crossing 7
Side Spiilway 1

P1 Pumping Irrigation Network and Structures

P1 Pumping Irrigation is mainly separated two which of pipes branching from P1 Right Main Channel and P1 Left Main Pipe.

P1 Right Main Channel Network and Structures

P1 Right main channel irrigation land totally is 3,573 ha and total pipe length is 90,456 m. Irrigation module is 1.040 l/s/ha.

Structures Names Number
Branch 51
İsolation Valve -
Simple Hydrant 87
Hydrant 263
Air Valve 54
Wasteway 193

P1 Left Main Pipe Network and Structures

P1 Lefts irrigation field is 364 ha and total pipe length is 13,206 m. Irrigation module is 1.030 l/s/ha.

Structures Name Number
Branch 15
İsolation Valve -
Simple Hydrant 10
Hydrant 32
Air Valve 34
Wasteway 25

Batman Left P2 Main Channel

Batman Left bank main gravity channel length 13 km. Water taken from P2 Pumping Station. Initial discharge of the main channel is 6.38 m³/s.

Structures Name Number
Parting Turnouts 26
Outlets 12
Bridge 7
Culvert 3
Check 6
Upper Flood Pass 5
Lower Flood Pass 13
Pipeline Crossing 3
EBOY 6

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