📊 Types of Construction Cost | Civil Engineering Basics Understanding construction costs is very important for planning, estimation, and project control. Below are the main types of construction costs every engineer and student should know: 🔹 Direct Cost – Cement, steel, labour, machinery used directly in construction 🔹 Indirect Cost – Site office, supervision, safety items 🔹 Fixed Cost – Office rent, insurance (do not change) 🔹 Variable Cost – Material quantity, labour hours (change with w