Surface Water Projects
Total length of completed lines (kilometers)
927
Coverage area extent (square kilometers)
1011
Length of channels (kilometers)
28
Maximum width of channels (meters)
10
Maximum height of channels (meters)
4.5
Number of water intakes
55
Minimum flow rate (m3/s)
1.5
Maximum flow rate (m3/s)
250
Tunnel Types and Lines:
Length (kilometers)
Mechanized Tunneling
16
NATM Tunnels
40
Pipeline Installation
183
Subsidiary and Distribution Network
660
Tunnel Types and Lines:
Minimum diameter (meters)
Mechanized Tunneling
3.7
NATM Tunnels
1.6
Pipeline Installation
0.4
Subsidiary and Distribution Network
Tunnel Types and Lines:
Maximum diameter (meters)
Mechanized Tunneling
3.7
NATM Tunnels
4.6
Pipeline Installation
1.8
Subsidiary and Distribution Network
Number
Vortex and Special Structures for Avalanches
21
Minimum transmission capacity (m3/s)
Vortex and Special Structures for Avalanches
3
Maximum transmission capacity (m3/s)
Vortex and Special Structures for Avalanches
50
Review of Tehran Comprehensive Surface Water Plan
Khayam Tunnel Project and Third Outlet
