Storm Water Networks and Flood prevention

Detailed design for the drainage of egnatia’s motorway vertical axis siatista – kristallopigi, macedonia, north greece

The vertical axis Siatista – Ieropigi / Krystallopigi is part of the Trans-European Transport Network. It links Pogradec – Cafasan – Durres in the south of Albania and it is part of Pan-European Corridor VIII. It is being constructed as a dual carriageway with two traffic lanes and a hard shoulder per direction. The contract […]

Detailed design for the drainage of arachthos bridge, egnatia motorway, ipiros prefecture, west greece

Arachthos Bridge is the biggest bridge of Egnatia Motorway and one of the biggest in Europe. The scope of the study was the detailed design of the water drainage system of Arachthos Bridge, the flood protection system from upstream catchments along with the design of the necessary hydraulic structures (ditches, culverts, etc). The Arachthos Bridge […]

Completion of hydraulic studies in the new double high speed railway line between towns kiato and patra, peloponnese, greece (i.d. 219)

The preliminary and detailed design of the water drainage system of the railway line from Athens to Patra and especially the part from STA 40+000 to STA 75+000, along with the service road drainage system, the flood protection system from surrounding catchment areas with the necessary hydraulic structures (ditches, culverts, etc). The contract also involved […]

Water supply system and drainage system in osmaa village, aetos karystias area, evia island

The OSMAA area is approximately 1,000 ha. A detailed design of the water supply and water distribution network was part of the contract scope. A system of tanks was proposed and the network was separated into different zones to give flexibility to the system and achieve better maintenance. Software models were used for the hydraulic […]

Detailed hydraulic design of komotini by-pass and entrance junction (sector 15.1.1) into egnatia motorway, komotini prefecture, north greece

It concerned the detailed design study of a sewerage & drainage network across the 15.1.1 section of the Egnatia motorway (3.2 km long).The study involved the road drainage system, the flood protection system from surrounding catchment areas with all the necessary hydraulic structures (ditches, culverts, etc). It concerned the detailed design study of a sewerage […]

Modifications – completions of sewerage and storm networks outside the kifissos river drainage basin

The project involved preliminary and detailed design studies for the upgrading and rehabilitation of sewerage and drainage networks outside the Kifissos River Drainage Basin, in the city of Athens which corresponds to about 1.2 million inhabitants.The following studies were completed through the contract by Z&A: – Detailed culvert design in Sarantapotamos stream. – Detailed design […]

Final study and detailed design of patra – athens – salonica motorway, part of broad by-pass in patra (k4 – k5 junctions), peloponnise, south greece

The project concerned the detailed design study of a sewerage and drainage network across the K4 – K5 junctions part of the Patras bypass motorway. Due to difficult area morphology, the design of special hydraulic structures was needed to transfer safely downstream, the water from the upstream catchment areas. The road surface drainage system was […]

Final study and detailed design of patra – athens – salonica motorway, part from almyros exit to aerino junction, sta. 248+336 to sta. 286+740

This study concerned the re-evaluation of the detail design study of sewerage and drainage works during construction period at part of the national motorway from Almiros junction to Aerinos junction, STA. 248+336 TO STA. 286+740. Z&A has carried out all the final hydraulic and drainage study for the construction of Patra – Athens – Salonica […]

Final design of flood protection works of the new railway line from giannoula stream to thriassio pedio area (4.5 km), south attiki perfecture

This study concerned the detail design for flooding protection of the new railway from the “Mauri Hora” tunnel exit to Giannoula stream and the entrance at Thriassio Pedio Station (4.5 km long). Additionally to the above, ten new culverts were studied in order to protect the railway line from flooding from the upstream catchment areas. […]

Modifications – completions of sewerage and storm networks within the kifissos river drainage basin

The project involved the detailed design studies for the upgrading and rehabilitation of sewerage and storm networks within the Kifissos River Drainage Basin covering a large part of the city of Athens that corresponds to about 2.54 million inhabitants. The following studies are some of the ones completed through the contract: a. Culvert design in […]

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