Period: 08.1987 – 03.2005
Client: General Directorate of Highways
Definition: 231 km 2x3 lanes, 27 km 2x4 lanes (total 258 km) motorway and 58 km 2x3 lanes connecting roads construction. Design review of motorway, structures, tunnels and electro-mechanics, progress monitoring and cost control, construction supervision, quality control, consultancy, as-built, final account and certification for 316 km motorway, 4 double tube tunnels (2x5016 m), 1 cut and cover tunnel, 12 PC and 3 continuous steel box girder special viaducts, 17 grade separated interchanges, 12 river bridges, 55 overbridges, 103 underbridges.
Period: 03.1988 – 12.1989
Client: Metropolitan Municipality of Konya
Definition: 16,7 km double-track light rail transportation system. Participation in supervision team for civil construction and electro-mechanics.
Period: 02.1993 – 01.1998
Client: Housing Development Agency of Turkey
Definition: Data collection, evaluation, assessment and reporting; preparation of design, drawings, specifications and tender documents, bidding, supervision, acceptance test and observation during Defect Liability Period. IBRD Loaned Project covers sewage treatment plant, 5 km sewage collection system, 20 km storm water drainage network, solid waste sanitary landfill, rehabilitation of 3 public buildings, reconstruction of 6 public buildings, signaling of 6 interchanges.
Period: 05.1993 – 12.1999
Client: Metropolitan Municipality of Ankara
Definition: Design review of civil works and electro-mechanics, progress monitoring and supervision, consultancy and certification of 8.5 km light rail system with 1.7 km double-tube bored tunnel, 6.3 km cut and cover tunnel, 8 underground and 2 surface stations, depot, equipment, rolling stock, signaling and communication system etc.
Period: 08.1994 – 12.1998
Client: General Directorate of Highways
Definition: Renovation of 822 m long orthotropic steel girder Golden Horn Bridge on İstanbul 1st Peripheral Motorway. 2 Additional steel box-girder bridges on both sides of existing one. Very deep steel piles in sea mud. Improvement of nearby interchanges, total 800 m PC new viaducts. Technical inspection, review of repair and strengthening methodology, supervision of the renovation woks of existing bridge, design review and construction supervision of new bridges, viaducts and other structures, quality control, certification.
Period: 12.2000 – 11.2011
Client: General Directorate of Highways
Definition: 15 km 2x3 lanes motorway section in very mountainous terrain. Final design review, progress monitoring and cost control, construction
supervision, quality control, consultancy and certification for motorway. 6 double-tube tunnels (3873 m), 15 PC viaducts (2945 m)
Period: 05.2006 – 12.2008
Client: Metropolitan Municipality of Adapazarı
Definition: IBRD Loan Project covers total 11,5 km multilane parkway and 2 grade separated interchanges in the city center. Preliminary and final design, construction supervision and consultancy.
Period: 12.2009 - 05.2014
Client: General Directorate of Highways, Directorate of 16th Division- Sivas
Definition: Total 250 km 2x2 lanes state highway construction in Sivas, Erzincan, Gümüşhane, Tokat, Ordu, Tunceli provinces. Progress monitoring, construction supervision and quality control and certification for 250 km state highway, 100 km asphaltic concrete paving, 6 tunnels, 8 viaducts and 26 river bridges.
Period: 10.2009 – 03.2015
Client: General Directorate of Highways, Directorate of 3rd Division-Konya
Definition: Progress monitoring and cost control, construction supervision, quality control, consultancy and certification for 195 km 2x (2+1) lanes expressway’s earthworks, structures, plant-mix subgrade, asphaltic concrete paving (hot-mix paving) and landscape
Period: 01.2012 -08.2015
Client: General Directorate of Highways, Directorate of 5th Division- Mersin
Definition: Total 323 km 2x2 lanes state highway construction (21 projects) in Mersin, Adana, Kahramanmaraş provinces. Progress monitoring, construction supervision and quality control and certification for 323 km state highway, 323 km asphaltic concrete paving, 8 tunnels, 6 viaducts and 17 river bridges.
Period: 08.2012 -08.2016
Client: General Directorate of Highways, Directorate of 15th Division-Kastamonu
Definition: Total 107 km 2x2 lanes state highway construction in Kastamonu, Çankırı, Karabük provinces. Progress monitoring, construction supervision and quality control and certification for 107 km state highway, 269 km asphaltic concrete paving, 1 tunnel (5380+5369 m) and 3 river bridges.
Period: 03.2013 -12.2017
Client: General Directorate of Highways, Directorate of 7th Division- Samsun
Definition: Total 109 km 2x2 lanes and 189 km 2x1 lanes state highway construction (18 projects) in Samsun, Amasya, Çorum, Tokat, Ordu, Sinop provinces. Progress monitoring, construction supervision and quality control and certification for 298 km state highway, 120 km asphaltic concrete paving, 4 tunnels and 21 river bridges.
Period: 08.2014-09.2018
Client: General Directorate of Highways, Directorate of 16th Division- Sivas
Definition: Total 526 km 2x2 and 2x1 lanes state highway construction in Sivas, Erzincan, Gümüşhane, Tokat, Ordu, Tunceli provinces. Progress monitoring, construction supervision and quality control and certification for 516 km state highway, 4 tunnels, and 38 bridges
Period: 06.2015 – 05.2019
Client: General Directorate of Highways, Directorate of 5th Division- Mersin
Definition: Total 150 km 2x2 lanes state highway construction (21 projects) in Mersin, Adana, Kahramanmaraş provinces. Progress monitoring, construction supervision and quality control and certification for 235 km state highway, 235 km asphaltic concrete paving, 22 tunnels, 16 viaducts and 19 river bridges
Period: 02.2016 – 04.2016
Client: General Directorate of Highways, Directorate of 5th Division- Mersin
Definition: Performing quality control experiments and keeping records and carrying out study-project procedures in a total of 21 projects in Mersin, Adana, Kahramanmaraş, Gaziantep, Kilis, Osmaniye provinces.
Period: 04.2016 – 07.2016
Client: General Directorate of Highways, Directorate of 5th Division- Mersin
Definition: Performing quality control experiments and keeping records and carrying out study-project procedures in a total of 21 projects in Mersin, Adana, Kahramanmaraş, Gaziantep, Kilis, Osmaniye provinces.
Period: 07.2016 – 11.2016
Client: General Directorate of Highways, Directorate of 5th Division- Mersin
Definition: Performing quality control experiments and keeping records and carrying out study-project procedures in a total of 21 projects in Mersin, Adana, Kahramanmaraş, Gaziantep, Kilis, Osmaniye provinces.
Period: 10.2016 – 01.2021
Client: General Directorate of Highways, Directorate of 13th Division - Antalya
Definition: Total 412 km 2x2 lanes state highway construction (21 projects) in Mersin, Antalya, Burdur, Isparta, Muğla provinces. Progress monitoring, construction supervision and quality control and certification for 412 km state highway, 168 km asphaltic concrete paving, 3 tunnels (13.388 m), and river bridges.
Period: 01.2018 – 11.2021
Client: General Directorate of Highways, Directorate of 7th Division – Samsun
Definition: Total 1342 km 2x2, 2x1 lanes state highway construction in Samsun, Amasya, Çorum, Tokat, Ordu, Sinop provinces. Progress monitoring, construction supervision and quality control and certification for 1342 km state highway, 84.000.000 ton asphaltic concrete paving, 8 tunnels, 81 river bridges, 7 viaducts and 26 intercanges.
Period: 01.2017 – 06.2021
Client: General Directorate of Highways, Directorate of 6th Division - Kayseri
Definition: Total 208 km 2x2, 2x1 lanes state highway construction in Kayseri, Kırşehir, Nevşehir, Niğde and Yozgat provinces. Progress monitoring, construction supervision and quality control and certification for 208 km state highway, 226 km asphaltic concrete paving, 5 river bridges
Period: 11.2017 - 06.2022
Client: General Directorate of Highways, Directorate of 12th Division - Erzurum
Definition: Total 90 km 2x2, 2x1 lanes state highway construction in Erzurum, Ağrı, Erzincan and Artvin provinces. Progress monitoring, construction supervision and quality control and certification for 90 km state highway, 6 section tunnels (Kırık, Çirişli, Dallıkavak, Kop, İspir, Pirinkaya ) , 2 river bridges and 3 viaducts.
Period: 07.2022 - 11.2022
Client: General Directorate of Highways, Directorate of 12th Division - Erzurum
Definition: Total 90 km 2x2, 2x1 lanes state highway construction in Erzurum, Ağrı, Erzincan and Artvin provinces. Progress monitoring, construction supervision and quality control and certification for 90 km state highway, 6 section tunnels (Kırık, Çirişli, Dallıkavak, Kop, İspir, Pirinkaya ) , 2 river bridges and 3 viaducts.