Sewage and Wastewater

Technical consultant for construction supervision of a system of water supply, sewerage and wwtp in eressos – antissa municipality, lesvos island

Eressos – Antissa Municipality is located in Lesvos Island, North Aegean Sea. The project concerned the construction supervision of water supply and distribution networks of eleven (11) villages of the Eressos – Antissa Municipality, along with the sewerage networks. Also it involved the study of six (6) waste-water treatment plants with the disposal pipelines. Since […]

Detailed design of a wwtp installation in sarakakis industrial area

A separate WWTP installation for disposal and treatment of industrial waste water was designed at the Sarakakis Industrial Area, in Athens.The object of this study involved full hydraulic and structural analysis, calculations, the relevant geotechnical study, the detailed design of the WWTP and preparation of the tender documents. Construction supervision was implemented through out the […]

Hydroplan e.u.

The global objective of the project is to demonstrate and disseminate a European knowledge management framework, for a procedure (HYDROPLAN) on sustainable asset management with integrated links to best available technologies. The target is to provide a comprehensive framework tool to share knowledge and collaborate in the development of best management practices and technologies. These […]

Modifications – completions of sewerage networks in the athens greater area (contract m-153)

The project involved the detail design studies for the upgrading and rehabilitation of sewerage networks in the greater Athens area. It also included the tender phase documentation for sewerage networks.The following studies were completed through the contract: Detailed design of the sewerage network in Marousi Municipality area, Detailed design of the sewerage network in Neo […]

Design of a system of solid waste management in west lesvos and water supply-sewerage and wastewater treatment in eresos – antissa municipality

Eressos – Antissa Municipality is located on Lesvos island, North Aegean Sea. The project involved: – Feasibility study of a solid waste management system for the total area of west Lesvos island. – Feasibility, preliminary and detailed design studies of water supply and distribution network of eleven (11) villages within the Eressos – Antissa municipality. […]

Master plan of salonica sewerage network

Salonica is the second largest city in Greece with a population of over 1,100,000 people. The sewer system is mainly combined. The Waste Water Treatment Plant has started operating with full capacity in September 2000. The main collector sewer with a total length of 18 Km was constructed 10 years ago. The main objectives of […]

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 […]

Preliminary and detailed design of infrastructure works inside the industrial area of kozani town, west macedonia, north greece

The industrial area (IA) of Kozani town is located about 6.5 km east of the town. The extent of the studied area was about 71 ha and the average elevation was at +670 m. The total study included: (a) preliminary and detailed design of main and access roads of the IA, (b) preliminary and detailed […]

Final design of the overland section of the main disposal wwtp pipe of salonica, central macedonia, north greece

The study focused on the design and the implementation of a double 1600 mm cement disposal pipe of about 13 km long, with all the necessary apparent hydraulic structures. Scope of the project was to diverse the treatment water of Salonica WWTP from river Axios to Thermaikos Gulf. The project included: Detailed design for the […]

Technical consultant for the construction of evinos dam, etoloakarnania prefecture, west greece

Z&A as a partner of W.S. ATKINS INTERNATIONAL was involved in various hydraulic issues arising from the dam’s construction at Evinos River in West Greece such as checking contractor’s studies, consulting over various construction issues, etc. Works started in 1992 with the construction of the diversion tunnel and ended in July 2002 and launched the […]

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