SECTION A has its source at the main diversion outlet dam, on the River Segura, at level 133; it operates using a free fall system with a water flow of 30 cu.m/sec and a gradient of 0.0001%.
For the first 7 km. Open-air canal sections alternate with tunnels designated a, b, c and e; after crossing road N-301, it is reduced to a single canal, except for tunnel e, located at km. 18.100, which is 4 km long. SECTION B commences at the exit to the aforementioned tunnel, in which the section of the canal changes, but not the volume, until it reaches El Partidor at km. 30.750. SECTION C runs from the right side of El Partidor to La Pedrera reservoir.
Tunnel exit to Sierra de Ulea
OPEN-AIR CANAL
Length 11.700 km.
Bottom width 2.50 km.
Height 4.35 km.
System flow 30 cu.m/sec.
Typical canal section, sections A and C
Crevillente Divider and Cartagena Canal
LA MATANZA AQUEDUCT
Length 1,500 m.
Number of piles 49 piles.
Maximum height of piles 25 m.
La Matanza Aqueduct
ORIHUELA TUNNEL
Length 4,200 m.
Interior diameter 2.54 m.
Entrance to Orihuela tunnel
SEGURA U-BEND
Length 5,200 m.
Double piping Ø 2.35 m.
Segura U-bend
Close to la Pedrera reservoir there is a by-pass which enables the water to be sent directly to the Campo de Cartagena Canal or by the aforementioned reservoir.
By-pass
