Projects

Our projects in Türkiye and abroad.

Dams

ProjectServiceClientPeriodKey data
Raising of Ulaşlı and Hisarköy small damsOngoingBatman, TürkiyeDesignDSİ 10. Bölge2026–
Raising of Yapıaltın DamOngoingSivas, TürkiyeDesignDSİ 19. Bölge2024–
Çepni DamSivas, TürkiyeDesignDSİ2023
Kabakoz DamOngoingİstanbul, TürkiyeDesignDSİ2021–Concrete-faced rockfill dam (CFRD), 58 m
Lower Aras Tuzluca DamOngoingIğdır, TürkiyeDetailed designHane Proje İnşaat2025–
Completion of Ünlendi DamOngoingIğdır, TürkiyeDetailed designHane Proje İnşaat
İnişdibi debris flow barrierOngoingDetailed designGöksu Maden–Erat Yapı İş Ortaklığı2026–
Raising of Germeçtepe DamOngoingKastamonu, TürkiyeDetailed designEverest İnşaat2024–
Completion of Çermik Kale DamDiyarbakır, TürkiyeDetailed designFarsel–Adakale–Baykara İş Ortaklığı2023
Çates ash dam raisingDesign and drilling investigationsÇates Elektrik Üretim2022
Yenişamlar Damİstanbul, TürkiyePlanning reportDSİ 14. Bölge2020
Şanlıurfa small dams, Parts 1 and 2Şanlıurfa, TürkiyeTechnical report and designDSİ 15. Bölge2016
İlhan DamAnkara, TürkiyeDesignDSİ2021–2023Concrete-faced rockfill dam (CFRD), 109 m; spillway 728.23 m³/s
Eymir DamSivas, TürkiyeDesignDSİ2017–2019Concrete-faced rockfill dam (CFRD), 58 m
Armağan DamSivas, TürkiyeDesignDSİ2017–2019Clay-core embankment dam, 34 m
Yırtmaçdere DamSakarya, TürkiyePlanning reportDSİ 14. Bölge2016
Gökbel DamAydın, TürkiyeDetailed design2013–2020Concrete-faced rockfill dam (CFRD), 60 m
İhsaniye DamKocaeli, TürkiyeFinal and detailed designDSİ2013–2019Roller-compacted concrete (RCC) dam, 69 m
Avcıdere DamKocaeli, TürkiyeDesignDSİ2013–2015Concrete-faced rockfill dam (CFRD), 89.65 m
Salıpazarı DamSamsun, TürkiyeDesignDSİ2012–2015Roller-compacted concrete (RCC) dam, 69 m
Musacalı Damİzmir, TürkiyeDesignDSİ2013–2015Concrete-faced rockfill dam (CFRD), 79.5 m
Geyikli Damİzmir, TürkiyeDesignDSİ2013–2014Concrete-faced rockfill dam (CFRD), 74.5 m
Çay DamAfyonkarahisar, TürkiyeDesignConcrete-faced rockfill dam (CFRD), 106 m
Gördes Dam right bank ground improvement, Part 1Manisa, TürkiyeDesign325,000 m² geomembrane and GCL lining
Yukarı Afrin DamKilis, TürkiyeDesignDSİ2011–2012Clay-core sand-gravel fill dam, 60 m
Uladı Damİzmir, TürkiyeDesignDSİ2010–2012Concrete-faced sand-gravel fill dam, 86 m
Akçakoca DamDüzce, TürkiyeDesignDSİ2010–2011Roller-compacted concrete (RCC) dam, 60 m
Kalecik DamAnkara, TürkiyeDesignDSİ2009–2011Clay-core earthfill dam, 75 m
Aydınca Dam, Yeşilöz weir and conveyance canalAmasya, TürkiyeFinal designDSİ2008–2009Concrete-faced rockfill dam (CFRD), 75 m
Silvan Dam and HEPPDiyarbakır, TürkiyeFinal and detailed designDSİ2006–2008Concrete-faced rockfill dam (CFRD), 185 m; 4 × 40 MW; spillway 5,346 m³/s
Cheliff Dam and pumping stationAlgeriaDetailed design2006–2009
Gomaspan DamErbil, IraqConsultancy and supervisionRoller-compacted concrete (RCC) dam
Kuruçay DamAfyonkarahisar, TürkiyeFinal and detailed designDSİ2005–2007Clay-core earthfill dam, 32 m; spillway 94 m³/s
Murat DamAğrı, TürkiyeFinal and detailed designDSİ2004–2006Concrete-faced rockfill dam (CFRD), 96.5 m; spillway 1,294 m³/s
Gördes DamManisa, TürkiyeDetailed designKoçoğlu İnşaat · DSİ2004–2010Concrete-faced rockfill dam (CFRD), 95 m; spillway 2,358 m³/s
Çaltıkoru DamFinal and detailed designKoçoğlu İnşaat · DSİ2004–2011Roller-compacted concrete (RCC) dam, 56 m; spillway 325 m³/s
Kavşakkaya Dam and transmission pipelineAnkara, TürkiyeFinal and detailed designDSİ 5. Bölge2000–2002Clay-core rockfill dam, 85 m; spillway 473 m³/s
Karacasu DamDetailed designLimak İnşaat · DSİ1998–2011Spillway 1,390 m³/s
Çokal DamDetailed designÜnaltur · DSİ1997–1998Spillway 2,400 m³/s
Karaçal DamDetailed designDSİ1995–1997Spillway 435 m³/s
Karacalar DamDetailed designGünsayıl İnşaat · DSİ1995–2006Spillway 780 m³/s
Koçhisar DamDetailed designGünsayıl İnşaat · DSİ1995–2006Spillway 315 m³/s
Akgedik DamDetailed designGünsayıl İnşaat · DSİ1995–2006Dam, 52 m
Orhaneli Thermal Power Plant ash damFinal and detailed designMuna İnşaat · TEK1987–1988Earthfill dam, 45 m
Gazibey DamDetailed designÖzdemir İnşaat · DSİ1987–1988Spillway 358 m³/s
İkizcetepeler DamDetailed design and consultancyMapa İnşaat · DSİ1986–1987Spillway 650 m³/s
Mumcular DamDetailed designKiska–Santa · DSİ1986–1987Spillway 600 m³/s
Çayboğazı DamDetailed designÖzdemir İnşaat · DSİ1986–1988Spillway 350 m³/s
Büyükorhan DamDetailed designAksu İnşaat · DSİ1985–1987Spillway 507.9 m³/s
Dumluca DamDetailed designİçkale İnşaat · DSİ1985–1987Spillway 186.25 m³/s
Hancağız DamDetailed designKiska · DSİ1985–1988Spillway 1,500 m³/s
Hacıhıdır DamDetailed designOnar–Günsayıl · DSİ1985–1988Spillway 650 m³/s
Kralkızı Dam and HEPPDiyarbakır, TürkiyeDetailed design and consultancyDSİ1985–19912 × 45 MW; spillway 3,547 m³/s
Etibank Kef chrome concentrator water system and tailings damFinal designBoral · Etibank1984–1985Earthfill dam, 36 m
Kovalı DamConsultancy servicesÖzdemir İnşaat · DSİ1984–1985
Uzunlu DamDetailed designLider İnşaat · DSİ1983–1987Spillway 1,291 m³/s

Hydropower and weirs

ProjectServiceClientPeriodKey data
Egemen weirs, conveyance canals and HEPPFinal designEnersis Elektrik2008–2009
Lower Kelkit Reşadiye weir, conveyance system and HEPPDetailed design and consultancyMNG2006–200848.40 MW; 38 km
Kızılırmak–Hamzalı conveyance canal and HEPPDetailed design and consultancyMNG2005–200714.78 MW; 18.5 km
Niksar HEPPFeasibility studyKoçoğlu İnşaat200422.1 MW
Zincirli HEPPFeasibility studyKoçoğlu İnşaat20048.8 MW

Tunnels

ProjectServiceClientPeriodKey data
Şanlıurfa TunnelsŞanlıurfa, TürkiyeDetailed design and construction supervisionAkpınar · DSİ19812 × Ø 7.62 m, 26,400 m
Halya irrigation tunnelDetailed designKiska · DSİ1986Ø 5.00 m, 5,300 m

Irrigation

ProjectServiceClientPeriodKey data
Isparta Province small dams and irrigation schemes, Part 9Isparta · Afyonkarahisar, TürkiyePlanning report and designDSİ 18. Bölge20167 small dams with irrigation schemes
Konya Province small dams and irrigation schemes, Part 9OngoingKonya, TürkiyePlanning report and designDSİ 4. Bölge2017–4 small dams with irrigation schemes
DSİ 18th Region small dams and irrigation schemes, Part 3Isparta · Burdur · Afyonkarahisar, TürkiyePlanning report and designDSİ 18. Bölge2018
Mardin–Ceylanpınar Plains (GAP) irrigation projectMardin · Şanlıurfa, TürkiyeFeasibility revision and final designDSİ1989–1995328,000 ha

Water supply and sewerage

ProjectServiceClientPeriodKey data
Evdilek and Söğüt springs transmission linesOngoingMersin, TürkiyeDesignDSİ2025–
İzmir Water Supply Stage II: Gördes transmission and irrigation pipelinesİzmir, TürkiyeDetailed design2009–2010Ø 2000 mm, 35 km; Ø 2200 mm, 17 km
Greater İstanbul Water Supply Stage II: Melen Systemİstanbul, TürkiyeEngineering and consultancyDSİ1996–2008900 million m³/year
Greater İstanbul Water Supply Stage II: Yeşilçay Systemİstanbul, TürkiyeConsultancy servicesDSİ1995–2002145 million m³/year
İzmir Water Supply Project: Tahtalı Systemİzmir, TürkiyeConsultancy servicesDSİ1989–199690 million m³/year
Bursa Environment Project: water and sewerageBursa, TürkiyeConsultancy servicesBUSKİ1991–1992
Çorum water supply transmission mainÇorum, TürkiyeDetailed designLimsan İnşaat · DSİ1997–1998Ø 1000 mm, 33.6 km
Akyar–Eğrekkaya transmission pipelineAnkara, TürkiyeDetailed designErko İnşaat · DSİ1997Ø 1000 mm, 12.3 km
Water diversion from Kayaboğazı Dam to Enne DamKütahya, TürkiyeDesignTEK199125 km
Tekirova water supply projectAntalya, TürkiyeDetailed designTürkiye Kalkınma Bankası1990
Konya water supplyKonya, TürkiyeDetailed designİçkale İnşaat · DSİ1986–1987
Adana domestic and industrial water supplyAdana, TürkiyeFinal designDSİ1986–1988
Adana water supply feasibility studyAdana, TürkiyeFeasibility studyİller Bankası1985–1986
Elazığ wastewater treatment plantElazığ, TürkiyeFinal designİller Bankası1985–1987
Elazığ domestic and industrial water systemElazığ, TürkiyeFinal designDSİ1985–1987
Şanlıurfa water supplyŞanlıurfa, TürkiyeDetailed designİçkale İnşaat · DSİ1982
Mersin sewerage projectMersin, TürkiyeFeasibility revision and final designİller Bankası1982–1983

Infrastructure and buildings

ProjectServiceClientPeriodKey data
Sulaymaniyah Cultural CentreIraqDetailed design2003
Çukurova Municipalities Training Union: consultancyConsultancy services1988–1990
Çanakkale helipad facilitiesÇanakkale, TürkiyeDesignDeniz Kuvvetleri Komutanlığı1984–1985
Foça infrastructureİzmir, TürkiyeDesignDeniz Kuvvetleri Komutanlığı1983–1985
Selçuk University campus infrastructureKonya, TürkiyeDesignSelçuk Üniversitesi1983–1984
Akdeniz University campus infrastructureAntalya, TürkiyeDesignAkdeniz Üniversitesi1983–1984
Van University campus infrastructureVan, TürkiyeDesignVan Üniversitesi1983
Beykoz housing areaİstanbul, TürkiyeDesignDeniz Kuvvetleri Komutanlığı1983
Selçuk University buildings: structural designKonya, TürkiyeDesignSelçuk Üniversitesi1982–1984150,000 m²
Derna: infrastructure for three housing areasLibyaDesignAno İnşaat1982–1983
Yolluca Island infrastructureDesignDeniz Kuvvetleri Komutanlığı1982–1983
Tunçbilek Thermal Power Plant ash bunker and conveyor lineKütahya, TürkiyeDetailed designTEK1981