1. Main project periods

• A project often takes the form of a sequence of events and activities that are not necessarily carried out by the same operators. A distinction can almost always be made between :

  • an initial period, from the initial project idea to the formal decision to carry it out;

  • a second period, from this decision to the application of the result.

These two periods may overlap.

• The first period is entirely under the responsibility of the decision-making body, which will often (but not always) be the owner and operator (directly or otherwise). Various stakeholders may participate in this decision, which must lead, among other things, to the more or less elaborate definition of the project's objectives...