DELTANA is Spanish company specialized in large construction projects at international level. SERVICES • Bill of Quantities (BoQ) / Quantity surveyors / Estimators • Support Technical Office in construction stage • BIM Modeling / Conceptual / Constructive/ As-built • Drawings production / Construction drawings / Shop drawings / As-built • Detail design / Reinforced concrete steel / Detailed structure • Bar Bending Schedule (BBS) / Control and supervision of concrete reinforcements • Document Controller ACONEX. • AutoCAD / MicroStation / Revit / Tekla / CADS RC / ArmaCAD PROJECTS Rail Baltica / Sao Paulo Metro / Riyadh Metro / D4R7 Bratislava / Doha Metro / Metro París / I66 Virginia / Ottawa LRT / Lima Metro / Quito Metro / Dualization of Bid Bid-Sur Road / ....