Water-Waste Management

Waste-water Treatment

Safety and Health Technical Assistance
Siles Dam is made up of loose material. It has a curved plant of 315 metre radius. The dam’s crest height is 706.90 m with a length and a width of 271 m and 8.20 m, respectively. The spillway has a fixed lip spill with a Bradley profile. His last remaining area is covered with an artificial long 28.50 metres tunnel.
It will improve about 3,500 hectares irrigation area of nine towns in the municipalities of the region.
  • Developer: Guadalquivir Public Water Authority
  • Construction Budget: € 21,143,128.48
Modernization of the irrigable area of Guadalbullón (Jaén).
The topology of pond is made up of loose material with vertical impermeable clay core.
The crest of the dam is situated at 425 m.a.s.l., determining an area of 1.67 km2 and a storage capacity of 19.75 hm3. The water intake regulator of the pond is located over Gualdalbullón River and consists of two parallel catchments with deep well pumping and a desander. The pond spillway is a Morning Glory round type. It will benefit more than 18,000 hectares of irrigation.
  • Developer: Guadalquivir Public Water Authority
  • Construction Budget: € 58,996,928.57
  • Scope of Work: Safety and Health Technical Assistance
Ecological compensation area and a set of compensatory and corrective measures to minimise the environmental impact in several municipalities. Seville.
It is a kind of arch-gravity dam. Reservoir Storage Capacity is 185.6 Hm3, the flooded area is 14.57 km², the annual regulation is 39-48 Hm3/year, the average annual contribution of the basin is 552 Hm3/year, the catchment area is 68.87 m, the height on the dam crest bed is 42.25 m, the height of the dam crest is 87.25 m.a.s.l, the highest flood level of the sheet of water is 86.22 m.
  • Developer: Guadalquivir Public Water Authority
  • PEM:€ 72,862,733.03
  • Scope of Work: Safety and Health Technical Assistance
Access shaft. Equipment for pipeline execution by micro-tunnel drilling technique and pipe pushing introduction. Piping length: 137 m.; inside diameter: 1.20 m
  • Developer: Guadalquivir Public Water Authority
  • PEM:€ € 5,932,163.59
  • Scope of Work: Safety and Health Technical Assistance
  • Improvement of functionality of the spillway, recovery of gallery 618 and consolidation of abutments.
    Mixed gravity and loose material with asphalt screen dam. It has an area of 2,170 m2 and a capacity of 567 hm3. It is the third largest reservoir in Andalusia. It has a height of 75 metres above of foundation level and a length of 438.8 metres in crest. Several works have been carried out such as the consolidation of the left abutment, the rehabilitation and waterproofing of galleries as well as the repair of spillway facing.
    • Developer: Andalusian Water Agency
    • Construction Budget: € 4,199,600.67
    Phase IV. Aznalcóllar and other municipalities (Seville).
    Access shaft. Equipment for pipeline execution by micro-tunnel drilling technique and pipe pushing introduction. Pipe length: 60 m. Inside diameter: 1.20 m.
    • Developer: Guadalquivir Public Water Authority
    • Construction Budget: € 5,953,014.79
    • Scope of Work: Safety and Health Technical Assistance