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Structural Engineering

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• Feasibility Studies
• Conceptual Design
• Preliminary Design
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• Commissioning
• Project Budgeting
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• Auditing & Due Diligence
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​Featured Projects

Al Sowah Island

Perimeter Quay Walls, Abu Dhabi, United Arab Emirates

Structural Design

Full design services were provided for the construction of the peripheral quay wall of Al Sowah Island using the method of precast concrete units.

The perimeter will have a total length of approximately 5.6km and consist of a combination of straight and curved sections.

Egnatia Odos Motorway

Structural Design of Tunnels & Bridges, Northern Greece

Structural Design

The Firms involvement in this Motorway comprises mainly structural design of tunnels and bridges. Although more than 4 major double tunnels have been designed (Dodoni, Anilio, S1 and S2 of section 5.2.3), bridge design is the Firm's most important contribution. From 1996 to date the firm's involvement in bridge design covered three different types of services, namely: Complete design of bridges for Egnatia Odos S.A. or other Contractors, checking of designs produced by other firms, and general review of designs produced by others.
-  Design of the Arda River Bridge, a 667m long bridge with 18 spans of 37m each deck with precast beams.
-  Design of Bridge G1, on the Lefkopetra-Kouloura section with four spans totaling 150m and a single shell box girder deck.
-  Design of Bridge G1, on the Polymilos-Veria section box girder build in cantilever with three spans, totaling 236m.
-  Design of Christalopigi Bridge with a total length of 848m in 16 spans and a curved box girder deck with build in special launched shoring.
-  Design of several box girder bridges build in cantilever, including the Mesovouni Bridge, totaling 257m, the G3 Bridge on the Panagia-Grevena section totaling 326m with 3 spans, and G11 Bridge on the Polymilos-Veria section with three main spans totaling 247m.
-  Design check of the Venetikos Bridge, with a total length of 636m in six spans.
-  Design review of the Arachthos Bridge with a total length of 1036m in 8 spans.

Rio-Andirio Bridge

2.2km Vehicular Bridge, Peloponnese, Greece

Structural Design

This was a BOT project awarded by the Greek State to a consortium with Vinci of France as a leader. It provides a link between the Peloponnese, the southern part of Greece, and the main continent along the Western shores of the country between the coastal towns of Rio and Andirio. The link consists of a 2,252 meter long 4 pylon cable-stayed bridge with two spans of 286 meters and three spans of 560 meters, two approach viaducts, with 392 meters on the Rio side and 239 meters on the Andirio side, and a total length of about 2,900 meters. Design and construction of the bridge started in 1996 and the bridge was inaugurated in 2004. In the concession agreement the Firm was a nominated partner of Buckland and Taylor of Canada for the design checking of all elements of the project as well as participating actively in the seismic design concepts. Furthermore, the Firm was a nominated partner of Faber-Maunsell (U.K.) for the supervision and control of all elements of the project. In 2006, the Firm and B. Kolias, it's partner in charge of Structural Design, received two International awards for their contribution to the project: The IABSE (International Association of Bridge and Structural Engineering) award for outstanding structure and the FIB (Federation Internationale du Beton) award for outstanding concrete structure.

Athens International Airport

Master Plan and Structural Design, Joint Venture, Greece

Structural Design & Infrastructure

The Firm was involved in this project during two separate stages. First, in 1979 - 1981 as a member of the GREDECO-NACO joint venture when the original Master Plan was prepared and second in 1996-1998 as a structural designer for various building assigned to the firm by HOCHTIEF AG concessionaire and contractor of the new Airport. In 1979 the Greek State awarded a contract to GREDECO, a Joint Venture of 3 Greek design firms and the Dutch firm NACO to review an existing old Master Plan and produce all designs necessary to construct a new International airport at Spata, northeast of Athens.

The new Master Plan was approved, the preliminary design of installations and infrastructure were finalized and a tender for earthworks was awarded to a contractor. Following the completion of most of the earthworks the work was halted for several years. It was resumed in 1996 when HOCHTIEF AG was awarded a concession to build and operate the new International Airport. HOCHTIEF contracted the preparation of structural designs and shop drawings for various buildings, including: The Air Traffic Control Building and Tower and the Buildings and Ground Equipment Maintenance Complex.

Athens Metro

Structural Design of Stations & Traffic Diversion Studies

Structural Design

From 1992 to date the Firm was continuously involved in the Athens Metro Project either under assignment by ‘Attiko Metro’ or by the contractors in charge of implementation in two distinct fields: The structural design of stations, shafts, galleries and tunnel and the planning, design and supervision of implementation of all necessary traffic diversions at the numerous construction sites within the Athens urban area as well as the mandatory relocation of all utility lines (water supply, sewage, electricity, natural gas, telephone) in conflict with the works, were rendered.

Faliron Bay Development

Athens 2004 Olympic Games, Athens, Greece

Structural, Mechanical & Electrical Engineering, Infrastructure & Landscaping

In the context of the 2004 Olympic Games the Ministry of Public Works appointed the design along the coast of Faliron Bay of a comprehensive development with emphasis on leisure and sport activities. As part of the group, the Firm designed all Marine works including the Marina, the seawall and coastal protection and the waterfront promenade wall as well as providing structural design for numerous buildings and several bridges and traffic studies.
The main features of this project included the following: Extensive landfill with the creation of a new 1.5 km quay wall forming an arc to the southeastern end of the bay. Also utilized for the creation of a pedestrian promenade / Reconstruction of the mouth of the Ilissos river / Construction of a 50m wide pedestrian "Esplanade" / Construction of a 400 - berth nautical sports Marina / Two Olympic Stadiums, one for Beach-Volley and one for Tae-kwon-do with 7 training courts nearby and one new football stadium / A 1km long series of linear buildings joined with pedestrian bridges at their roof level / Extensive open spaces for recreation and leisure. The hydraulic component in short provided for : / Flood control / Water Supply networks / Sanitation networks / Irrigation system including the option of re-use of treated water from a WasteWater Treatment Plant.

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