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In this section the technical information of the project is presented in form of the following items:
Body specifications
 
Dam type:
Rock fill with clay core Crest width: 12 m
Height from foundation: 127 m Foundation width: 1100 m
Crest length: 3030 m Total body volume: 1.6 million m3
Body specifications
Reservoir specifications
Total volume of reservoir: 5.6 billion m3
Area of reservoir: 162.47 km2
Length of reservoir: 60 km
Normal level: +220 m
Reservoir specifications
Diversion system
Number of diversion tunnels: One culvert with 4 entrances
Length of diversion tunnel: 790 m
Cross Section: Octagon
Type of lining: Concrete
Discharge capacity: 3680 m3/s at the level of 161.7 m
Diversion system
Instrumentation
Including 23 Sections of Instrumentations
Instrumentation
Spillway
Location:
Left bank Discharge capacity: 18260 m3/s
Type of spillway: OG with gated chute Type of gates: Crossed
Dimensions of gates: 15 by 18 m2 Number of gates: 6
Spillway
Quarries and their specifications
Resource
Area (km2)
Depth (m)
Destination to the dam (km) Volume (Million m3) Type of material Using location
G1 4 5-10 4-8 20 GW-GP Shell-drainage-transition layers- concrete materials
G2 0.8 2 11-14 1.75 GW-GP-GC Shell-drainage-transition layers- concrete materials
G3 8 3 9-12 2.5 GW-GP Shell-drainage-transition layers- concrete materials
C1 2.5 3-5 10-13 6.2 GH Dam core
Chenare quarry 57 Upstream riprap
Quarries and their specifications
General specifications of powerhouse
Type of power plant:
Over ground hydroelectric Average yearly energy generation: 934 Giga Watt /hour
Capacity of power plant: 400 Mega Watt Type of turbine: Francis with vertical axis
General specifications of powerhouse
Specifications of powerhouse equipments
Number of turbines:
3 units Number and type of generators: 3 vertical synchronal units
Power of each turbine: 136 Mega Watt Outlet power of each generator: 140 Mega Watt
Maximum output: 95% Nominal voltage of each generator: 13.8 KV
Design height of turbine: 93 m Speed of rotation of each generator: 150 rotations per minute
Water discharge from turbine at maximum load: 159.54 m3 at the max level of reservoir Nominal current of generator: 8000 Ampere
Manufacturer of turbine: Harbin Manufacturer of generator: Elin
Average flow of water for electricity generation: 145 m3/s
Specifications of powerhouse equipments
Specifications of powerhouse building
General specifications of building:

Length of the building
Width of the building
Height of the building
117.5 m 53 m 55 m
Specifications of powerhouse building
Specifications of powerhouse outlet tunnels
One culvert with six entrances and an open-cut channel, with the following specs
Length of the culvert
60 m
Level of the outlet water 115 masl
Length of the channel 300 m Width of the channel 6.15 m
Specifications of powerhouse outlet tunnels
Specifications of powerhouse waterways
Length of each penstock:
457-446-436 m
Type of lining: Concrete and metal
Number of penstocks: 3 Average diameter of penstocks: 6.2 m
Specifications of powerhouse waterways
Technical specifications of post and switchyard
In this regard no data exists.
Technical specifications of post and switchyard
Specifications of tunnels
Shape and numbers of intakes:
4 octagon intakes
Volume of used concrete: 223000 m3
Diameters of each intake: 5 by 10.5 Level of intake: 113 masl
Length: 790 m Level of stilling basin: 100 masl
Type of lining: Concrete Discharge capacity: 3680 m3 at the level of 161.7 masl
Volume of excavation: 1.5 million m3
Specifications of tunnels
Intake structures
Length of 32 m and width of 30.6 m
Stopping the first tunnel with the central gate
With 4 inlets Stopping the second tunnel with the central gate
Inlet tower Stopping the third tunnel with the fixed rotation gate
Stopping gates Stopping the fourth tunnel with the rolled gate
Intake structures
Outlet structures
stilling basin with the length of 128.5 m and the width of 35 m
At the level of 100 masl
Three series of stop-log gates
Outlet structures
Access roads and bridges
 
Name of the road or bridge
specifications
L1 road With the length of 11.7 km from Dehloran
L2 road With the length of 21.8 km from Andimeshk
Access road to the connecting bridge With the length of 3.4 km
Access road to Dashtabbas tunnel With the length of 15 km from Dehloran
Existing road on the right bank With the length of 19 km from Dehloran
Connecting bridge to L1 and L2 roads With the length 205 m and the width of 5 m
 
Access roads and bridges
Complementary operations
No data exists in this regard.
Complementary operations

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