1. How can prefabrication make a real contribution to project economics?

1.1 Project economics and profitability

Construction economics involves estimating the overall cost of a building project. To understand this aspect, you need to know how to identify and analyze the various costs associated with a project.

This overall cost takes into account the costs of a construction project over and above its gross financial investment. It takes into account not only the technical and financial aspects of the project, but also the costs associated with operating the building itself over its lifetime.

A study carried out by the Mission interministérielle de qualité des constructions publics (MIQCP) in January 2006 shows that the investment cost of an operation represents only 25% of the total cost, the difference...