The contract of “Consultancy Services for Design Review, Preparation of Bidding Documents and Supervision Services during construction and DLP For Kilis Drinking Water Network Extension and City Center Wastewater Network, Elbeyli&Polateli Wastewater Network and Package WWTPs, Adıyaman Drinking Water Network Projects” was signed between İller Bankası and Yüksel Proje-Alter-Üçer J.V. on 05 August 2021.