Period: 10.2019 - 12.2023
Client: General Directorate of Highways
Definition: Detailed desing of 45 km 2x2 lanes state highway
Period: 11.1973 – 10.1976
Client: General Directorate of Highways
Definition: 13 km 2x2 lanes motorway mapping, geotechnical, 2 PC viaducts, 2 interchanges, 3 PC overpasses, 2 PC underpasses preliminary and final design..
Period: 07.1974 – 10.1976
Client: General Directorate of Highways, Directorate of 1st Division-İstanbul
Definition: 55 km 2x3 lanes motorway mapping, geotechnical, preliminary studies and preliminary design.
Period: 09.1976 – 06.1983
Client: General Directorate of Highways
Definition: 118 km 2x3 lanes motorway, 350 m cut and cover tunnel, 8 interchanges, 89 PC overpass and underpass bridges, 4 PC viaducts, 6 service areas - geodetical and geotechnical works-design, preliminary and final design and BOQ.
Period: 09.1977 – 03.1981
Client: Ministry of Transportation –General Directorate of DLH
Definition: 240 km high speed railway, 12 viaducts, 89 bridges, total 60 km tunnels, 8 stations– technical and economical feasibility, traffic operations planning, geodetical and geotechnical works-design, preliminary studies and design. Final design of a section of 70 km and BOQ.
Period: 10.1977 -01.1978
Client: T.P.A.O. Central Anatolia Refinery Inc.
Definition: Interchanges and approach roads to Refinery, bridge over Kızılırmak River geodetical and geotechnical works-design, preliminary and final design, BOQ
Period: 08.1979 – 06.1985
Client: KİSKA Inc.
Definition: Final design of 12 railway bridges and small structures
Period: 12.1983 – 12.1985
Client: Metropolitan Municipality of İzmir
Definition: Traffic Circulation Planning of İzmir Kemeraltı Central Region and geodetical and geotecnical works-design, preliminary and final design of Bayramyeri, Konak, Borsa ve İtfaiye interchanges and BOQ
Period: 10.1984 - 12.1985
Client: General Directorate of Highways, Directorate of 2nd Division-İzmir
Definition: Geodetical and geotechnical works-design, preliminary and final design and BOQ for Hilal I, II and III; Halkapınar, Garaj Bağlantısı, Zafer Payzın and Naldöken interchanges and Bayraklı, Alaybey and Girne DDY overpasses on İzmir Ring Road
Period: 11.1985 – 12.1988
Client: General Directorate of Highways
Definition: Mapping, geotechnical and final design of 60 km 2x1 lanes state highway.
Period: 12.1986 – 03.1987
Client: Metropolitan Municipality of Ankara – Ceylan Cons.Inc.
Definition: Mapping, geotechnical, preliminary and final design and BOQ of interchange.
Period: 12.1986 – 11.1987
Client: Ministry of Transportation –General Directorate of DLH
Definition: Mapping, geotechnical; concept, preliminary and final design, specifications for construction and technical inspections for PC Gediz River Bridge on double track Menemen – Aliağa railway.
Period: 03.1987 – 08.1987
Client: Metropolitan Municipality of Ankara – Mapa Cons.Inc.
Definition: Mapping, geotechnical, preliminary and final design and BOQ of interchanges.
Period: 05.1987 – 09.1987
Client: Metropolitan Municipality of Ankara – Yüksel İnş.Cons.Inc.
Definition: Mapping, geotechnical, preliminary and final design and BOQ of interchange.
Period: 08.1988 – 02.1992
Client: General Directorate of Highways
Definition: Mapping, geotechnical and final design of 90 km 2x2 lanes state highway.
Period: 05.1989 – 09.1990
Client: General Directorate of Highways - Astaldi SpA
Definition: 12 km 2x3 lanes motorway between Bolu and Gerede, mapping preliminary and final design of motorway, 2 interchanges and small structures.
Period: 01.1990 – 08.2004
Client: General Directorate of Highways – Nurol Inc.
Definition: 60 km 2x3 lanes motorway, 42 km 2x2 lanes motorway connection, 12 km 2x2 lanes state highway (11 viaducts, 11 interchanges, 78 overpasses, 39 underpasses and 7 toll plazas) geodetical and geotechnical services, preliminary and final design of motorway, structures and service areas, geotechnical design.
Period: 04.1990 – 09.1991
Client: General Directorate of Highways
Definition: Mapping, geotechnical and final design of 85 km 2x2 lanes state highway between Ankara and İstanbul.
Period: 04.1991 – 02.1995
Client: Metiş – Yapı Üretim Consortium
Definition: Tarsus – Adana – Gaziantep Motorway, 2x3 lanes connection highways between D 400 State Highways - Adana Western, Northern and Narlı Interchanges (total 000 km) geodetical and geotechnical services, preliminary and final design of highway, bridges and small structures.
Period: 10.1991 – 05.1996
Client: General Directorate of Highways
Definition: Mapping, geotechnical and final design of 28 km 2x2 lanes state highway with 7 interchanges and 4 bridges.
Period: 03.1992 – 03.1998
Client: Metropolitan Municipality of Ankara. – Ceylan İnşaat Inc.
Definition: Mapping, geotechnical and preliminary and final design of 9.0 km, 2x3 lanes Çankaya – Mamak Ring Road; geotechnical, concept and preliminary design, shop drawings and consultancy to the contractor during construction of İmrahor Viaduct which is a continuous 6 span (2x71.90+4x115.00=603.80 m) prestressed concrete box
girder bridge monolithic with piers, 27.5 m wide single cell deck with 7.50 m each cantilever. Construction method is balanced cantilevering.
Period: 06.1995 – 06.2002
Client: General Directorate of Highways
Definition: Mapping, geotechnical and final design of 70 km 2x2 lanes state highway with interchanges and bridges, landslide prevention and special drainage structures.
Period: 01.1996 – 08.1999
Client: General Directorate of Highways
Definition: Mapping, geotechnical and final design of 49 km 2x2 lanes state highways and 18.50 km 2x3 lanes city crossing highway (a part of Eastern Black Sea Coastal Expressway) including 8 interchanges, 26 river bridges, 8 overpasses and 3 tunnels.
Period: 02.1997 – 06.1998
Client: General Directorate of Highways
Definition: Environmental Impact Assessment studies and report for 55 km 2x3 lanes motorway.
Period: 12.1997 – 12.2003
Client: General Directorate of Highways
Definition: Mapping, geotechnical and final design of 92 km 2x2 lanes state highways including 36 interchanges, 16 river bridges and drainage structures.
Period: 10.2000 – 12.2008
Client: General Directorate of Highways
Definition: Mapping, geotechnical and final design of 115 km 2x2 lanes state highways, interchanges and bridges; EIA studies and reporting, expropriation services.
Period: 01.2002 - 12.2005
Client: General Directorate of Highways
Definition: Mapping, geotechnical and final design of 25 km state highway, EIA studies and reporting.
Period: 07.2007 – 05.2010
Client: General Directorate of Highways
Definition: Mapping, geotechnical and final design of 42 km 2x2 lanes state highways, interchanges and bridges.
Period: 09.2007 – 11.2014
Client: General Directorate of Highways
Definition: 29 km 2x3 lanes motorway and 4.46 km 2x3 lanes motorway connection. (6 interchanges, 5 viaducts, 15 overpasses, 8 underpasses, 5 canal bridge and 1 toll plaza) geodetical and geotechnical services, preliminary and final design of motorway, structures and service areas, geotechnical design.
Period: 07.2008 – 11.2010
Client: General Directorate of Highways
Definition: Mapping, geotechnical and final design of 48 km 2x2 lanes state highways, interchanges and bridges.
Period: 11.2010 – 09.2013
Client: General Directorate of Highways
Definition: Mapping, geotechnical and final design of 52 km 2x1 lanes state highways, interchanges and bridges.
Period: 11.2010 – 07.2014
Client: General Directorate of Highways
Definition: Mapping, geotechnical and final design of 42 km 2x1 lanes state highways, interchanges and bridge.
Period: 11.2010 – 10.2013
Client: General Directorate of Highways
Definition: Detailed desing of 42 km 2x2 lanes state highway
Period: 02.2011 – 12.2013
Client: General Directorate of Highways
Definition: Mapping, geotechnical and final design of 52 km 2x2 lanes state
Period: 02.2011 – 07.2014
Client: General Directorate of Highways
Definition: Mapping, geotechnical and final design of 75 km 2x1 lanes state highway, interchanges and bridge.
Period: 02.2011 – 11.2014
Client: General Directorate of Highways
Definition: Mapping, geotechnical and final design of 85 km 2x1 lanes state highway, interchanges and bridge.
Period: 12.2012 -13.04.2015
Client: General Directorate of Highways
Definition: Geotechnical and final design of 67 km 2x2 lanes state highway, interchanges and bridge.
Period: 11.2012 – 04.2015
Client: General Directorate of Highways
Definition: Mapping, geotechnical and final design of 68 km 2x1 lanes state highway, interchanges and bridge.
Period: 08.2012 -04.2015
Client: General Directorate of Highways
Definition: Mapping, geotechnical and final design of 56 km 2x2 lanes state highway, interchanges and bridge.
Period: 03.2015 -06.2015
Client: General Directorate of Highways, Directorate of 3rd Division-Konya
Definition: 9 span (2x90+7x170.00=1370 m) lenght, 25 m wide (2x2 lanes), max pier height is 165 m, geotechnical design,
Period: 03.2015 -07.2015
Client: General Directorate of Highways, Directorate of 3rd Division-Konya
Definition: Preliminary design of 9 span (2x90+7x170.00=1370 m) lenght, 25 m wide (2x2 lanes), max pier height is 165 m,
Period: 02.2014 – 02.2016
Client: General Directorate of Highways
Definition: Mapping, geotechnical and final design of 56 km 2x2 lanes state highway, interchanges and bridge.
Period: 01.2015 – 07.2016
Client: General Directorate of Highways
Definition: Mapping, geotechnical and final design of 21 km 2x1 lanes state highway, junctions and bridge.
Period: 02.2014 – 11.2016
Client: General Directorate of Highways
Definition: Mapping, geotechnical and final design of 44 km 2x1 lanes state highway, junctions and bridge.
Period: 01.2015 – 01.2017
Client: General Directorate of Highways
Definition: Mapping, geotechnical and final design of 25 km 2x1 lanes state highway, junctions and bridge.
Period: 10.2017 – 12.2017
Client: General Directorate of Highways, Directorate of 3rd Division-Konya
Definition: Final design of 9 span (2x90+7x170.00=1370 m) lenght, 25 m wide (2x2 lanes), max pier height is 165 m
Period: 07.2015 – 10.2017
Client: General Directorate of Highways
Definition: Mapping, geotechnical and final design of 30 km 2x2 lanes state highway, interchanges and bridges.
Period: 07.2016 – 11.2018
Client: General Directorate of Highways
Definition: Mapping, geotechnical and final design of 44 km 2x2 lanes state highway, interchanges and bridge.
Period: 07.2016 – 11.2018
Client: General Directorate of Highways
Definition: Mapping, geotechnical and final design of 41 km 2x2 lanes state highway, interchanges, tunels and bridge.
Period: 10.2017 – 04.2019
Client: General Directorate of Highways
Definition: Detailed desing of 58 km 2x1 lanes state highway
Period: 07.2016 – 02.2019
Client: General Directorate of Highways
Definition: Detailed desing of 26 km 2x1 lanes state highway
Period: 10.2017- 09.2019
Client: General Directorate of Highways
Definition: Detailed desing of 62 km 2x1 lanes state highway
Period: 08.2016 – 12.2022
Client: General Directorate of Highways
Definition: Detailed desing of 32 km 2x2 lanes state highway
Period: 12.2016 – 01.2020
Client: General Directorate of Highways, Directorate of 15th Division
Definition: Detailed desing of 60 km 2x2 lanes state highway, 20 interchanges and bridges.
Period: 10.2015 - 02.2020
Client: General Directorate of State Railways
Definition: 106 km high speed railway, 3 viaducts, 27 bridges, 28 tunnels (total 49 km), 34 underpasses, 12 overpasses, staitons – technical and economical feasibility, mapping, geotechnical works-desing, preliminary studies and desing
Period: 04.2016 – 03.2021
Client: General Directorate of State Railways
Definition: 161 km high speed railway, 10 viaducts, 30 bridges, 34 tunnels (total 81 km), 57 underpasses, 17 overpasses, staitons – technical and economical feasibility, mapping, geotechnical works-desing, preliminary studies and desing.
Period: 07.2017 – 10.2020
Client: General Directorate of Highways
Definition: Detailed desing of 33 km 2x2 lanes state highway
Period: 03.2019 -09.2020
Client: General Directorate of Highways
Definition: Detailed desing of 37 km 2x1 lanes state highway
Period: 03.2019 – 03.2021
Client: General Directorate of Highways
Definition: Detailed desing of 47 km 2x1 lanes state highway
Period: 10.2019 – 06.2021
Client: General Directorate of Highways
Definition: Detailed desing of 29 km 2x1 lanes state highway