Focus and Scope Extrapolasi is published by Department of Civil Engineering Faculty of Technology, Universitas 17 Agustus 1945 Surabaya. The Extrapolasi editorial is very open in accepting articles related to : Building Materials and Structures Constructions Technology Constructions Management, Road and Bridge Engineering Earthquake Engineering, Geotechnical Engineering, Hydraulic Structures and Drainage Structural Engineering, Surveying and Geo-Spatial Engineering Transportation Engineering.