Project Life Cycle

Project Life Cycle

The four sequential major time periods through which any project passes, namely:

1. Concept

2. Definition

3. Execution (implementation or development)

4. Finishing (commissioning or close out).

Each period may be identified as a Phase and further broken down into stages that typically reflect the area of project management application and the size and complexity of the specific project. [D01432]

A collection of project phases whose name and number are determined by the control needs of the organization or organizations involved in the project. [D01428]

The complete set of time periods through which a project passes sequentially in a logical and orderly manner. In its simplest form the life cycle consists of four major periods:

1. Concept (where the...