Water

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.

Final study of the secondary sewer network of the Municipality of Ag. Stefanos and the Communities of Anixi and Krioneri

The project areas belong to the Municipality of Ag.Stefanos and the Communities of Krioneri and Anixi (Region of East Attika).
The project design takes into account the environmental protection restrictions of the surrounding area.
The proposed works are 56 km long and they include:
- sewage collection pipes Φ200 - Φ350
- pump station and pressurised pipe line for the northern–northeastern part of Krioneri
- maintainance, junction, drop manholes
The construction has been designed to be carried out both with open trench and pipe jacking methods.

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.

Aposelemis dam, water treatment and supply works in northern Crete island

The dam is 56 m heigh. It is of rockfill type with an impervious clay core, upstream and downstream rock cells, spillway, spillway delivery canal and flip bucket
- The Lasithi plateau diversion to the Aposeslemis reservoir includes a TBM excavated 3,5km long and 14% steep tunnel
- The water treatment plants include pre-ozonation, coaggulation, sedimentation, filtering, post-chlorination and sludge treatment
- The main pipelines from the dam to the water treatment plant, ~ 8 km long, consist of D1200 and D1100 steelpipes and 2 tunnels (1590, 2050m long).

Gadouras dam, water treatment and supply works in Rhodes island

The project includes the Gadoura dam and appurtenant works construction, the water mains to the town of Rhodes (including a small tunnel), the water treatment plant construction.
The project will service the long-term region water supply needs.
The project is funded by National Sources and the E.U.
The dam height is 60m. The embankment dam is earthfill type with an impervious core and the reservoir capacity is ~65 hm3.

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