Serofta - Warqa Road Design Project The project is a road upgrading project that is designed to asphalt concrete (AC) surfacing. Employer: Ethiopian Roads Authority/AdministrationType of service: Route Selection, Feasibility Study, ESIA, Detailed Engineering Design, RAP Preparation and Tender Document PreparationTime of service: October, 08, 2013 – August 10, 2015Location: Oromia RS, Ethiopia Major Scope of the Works Route SelectionTopographic SurveyingSub-grade Soil InvestigationBridge Foundation Sub-surface InvestigationConstruction Material InvestigationFeasibility StudyDetailed Engineering DesignEnvironmental and Social Impact AssessmentResettlement Action Plan PreparationRight-of-way Obstruction Identification and MarkingEngineering Cost EstimatingTender Document Preparation Key Features of the Project Design of 52.97km long asphalt concrete (DC-6) roadConsiderable escarpment and mountainous sectionsLandslide-prone stretches Five major (bridge) structures4.98km of town and kebele sections Special Features of the Project Geophysical investigation to characterize the deep cut subgrades and structures