Milestones
We were established in Ankara in 1975. We initially provided design services to small-scale projects with limited budgets. Over the past 45 years, we have grown into a company that can provide engineering and consultancy services for complex and large-scale projects in Water, Environment, Rural Development, Renewable Energy, Transportation, Buildings and Disaster Risk Reduction. In Turkey and neighboring countries with which we completed more than 300 projects we take our place among the leading companies in our sector.
May 1975 - Establishment of Alter - Atilla Özdikmen
Water Supply Engineering
Company’s first job was engineering design for water supply projects in Turkey's Southeastern Anatolia Region Oğuzeli and Yayladağı.
Sewerage Engineering
Sewerage Engineering Design for wastewater collection and stormwater drainage projects.
Irrigation and Drainage Engineering, Flood Management
Detailed engineering design projects concerning irrigation and drainage and also flood control for Pamukova Plain located in Turkey's Northwestern Anatolia.
Detailed engineering designs about irrigation and drainage projects for Iğdır and Aksu Plains located in Turkey's eastern and southern Anatolian region.
Projects in Neighboring Countries
Bid-priority support and consultancy on project management for housing projects in Ben Valid and Ziliten within the borders of the Libyan Arab People's Socialist Community (Libya).
Pre-tender support and consultancy on project management for the housing project in Al Isawiyah and the military quarters building in Al Gurayyat within the borders of the Kingdom of Saudi Arabia.
August 1984
Restructuring Alter as a limited company.
Highway and Bridge Engineering
Engineering design of state highway between Simav-Sındırgı junction and Demirci County which are located in Turkey’s western Anatolian Region.
Water Treatment Plants
Planning and engineering design of water treatment plants in Şebinkarahisar and Kumru districts located in Turkey's Northeast Anatolia region.
Detailed engineering design for "Trabzon Water Supply Project" located in Northeast Anatolia region of Turkey.
Planning, design and engineering services for "Denizli Water Supply Project" located in southwestern Anatolia region of Turkey.
Project management
İkitelli housing project, Istanbul
Project management services for Akhisar and Nazilli Districts housing projects located in Turkey's western Anatolia region.
Bursa Water and Sewerage Project / Water Supply Component financed by the World Bank.
Kayseri Water Supply Project financed by KfW.
Sakarya Group (4 districts) and Water Treatment Plants in Hopa.
Environmental planning and EIA for Turkey's Southeastern and Eastern Anatolia region.
Sivrice Wastewater Treatment Plant
January 1999:
Changing the company name to Alter International Consulting and Engineering Services Limited Company.
Airport Engineering
Detailed design of taxiway, apron and landside facilities for Çardak-Denizli and Müş Airports.
Railway Engineering
Feasibility study of Samsun – İskenderun railroad which is the longest route covered by a single contract in Turkey. (1000 km)
Highway Engineering
Engineering Design of Saray – Kırklareli Highway, one of the longest route in Turkey within a scope of single contract. (80km)
Rural Development
Urfa - Eden Group Water Supply Project within the scope of GAP (Southeastern Anatolia Project) is the largest area covered by a single contract in Turkey (36,000 hectares). The project has the highest number of villages (300) serviced and the longest transmission and distribution pipes (1350 km).
Samsun Sewerage Project financed by EIB.
Wastewater and storm water, wastewater treatment plant and sea discharge, master plan preparation, priority investments, conceptual design and feasibility study.
Dams
Planning and conceptual design of Naipköy dam on Kocadere River for water supply to Tekirdağ city.
Dams and Hydroelectric Power Plants
Feasibility study for Kestanelik, İyisu and Çankaya Dams and hydroelectric power plant on Karadere River in Eastern Black Sea region.
Infrastructure
Türkkonut Temelli Yenihisar - Mass Housing Project Infrastructure Facilities.
Disaster Risk Management
Microzonation and vulnerability studies for disaster mitigation.