Tender Documents

Design of the Smokovo irrigation network

Designed works include:
- A main water intake steelpipe is 2500mm, combined with a hydroeletric power generation plant.
- Three main delivery pipelines are provided with diameters of 1600, 1400 and 1200mm. Material proposed is steel. Total length of the main pipelines is 47km.
- The pipeline design includes all main pipelines.
- The network also incorporates numerous regulating devices and management installations, in order to ensure optimal operation.
- The area covered is 25.200 ha (252 km2).

Final stormwater network study of the Community of Anixi

The area belongs to the Community of Anixi and is situated at the upstream part of the Northern Suburbs of the Attika basin. The project includes the construction of a stormwater network and rehabilitation/maintenance of existing pipes.
The project design takes into account the environmental protection restrictions of the surrounding area.
The works include:
- The network length is 4,3 km
- The main technical works are circular pipes Φ400 - Φ1400 and maintainance, junction, drop manholes.

Stormwater and sewage network study of the Communities of Ekali, Drosia, Stamata, Rodopoli, Anixi, Ag.Stefanos, Dionisos and Krioneri

The project areas belong to the Municipality of Ag.Stefanos and the Communities of Ekali, Drosia, Stamata, Rodopoli, Anixi, Dionisos and Krioneri. The study areas are situated in the upstream part of the northern suburbs of the Attica basin and they have 12 basic streams, 7 of which fall into Kifissos river and the other 5 in the lake of Marathonas (Haradros river basin).
Major design problems were erosion and high sediment yield. The project design takes into account the environmental protection restrictions of the surrounding area.

Design of water infrastructure for a major port facility

The wastewater collection works include the main sewers pipeline, pumping station and twin pressure mains.
The wastewater treatment plant includes the full extent of necessary substructures designed to provide for the 3-stage treatment of an 18.000 equivalent population of industrial wastes. The project  included the full spectrum of civil and mechanical engineering design.
The final discharge pipes include the collector pipe transporting the effluent from the WWT plant to the sea, incuding an underwater pipeline and all the auxilliary structures.

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