Mr. Diether Ian A. Portugal is a Philippines Registered Civil Engineer, having a 6 years extensive experience in Estimating Residential and mix-used Commercial Building, Estimating Land Development Project such as Earthworks, Roadworks, Drainage works, Waterline works. Civil Engineering Consultancy, Structural Analysis and Design, Quantity Surveying, Construction Environment in the field of Project Management, Construction Supervision and Design Review, Contracts Administration of Bridges (Cablecand and Extradosed), Underground and On-grade Rail Stations, Highways, Buildings.Proficient in civil engineer estimate software such as AutoCad, STAAD Pro, RCDC, Planswift, and MS application.