The investment project includes participants and stages.

In construction, this term is used when a property is to be built. The investment project includes participants (investor, manager, supervisor, contractor, owner, contractor) and stages (initiation, planning, implementation, control, completion.) Other project parameters are scope, value, and time.

There are three phases in design: conceptual, technical, working designing. According to the project, it performs different phases: for simple sites (civil engineering) there is only one phase - working design. When it comes to more complex buildings (large public ones) with different sources of funding There are conceptual and technical designs. During the construction of sites such as highways or thermal power plants, all phases of the project are implemented.

Source: architectureconsulting.eu