Within a project there are three primary variables, these are cost, scope and time. They have an interdependent relationship and all projects are limited in some way by one of these variables. The framework for evaluating these competing demands is known as the triple constraint. If one of these factors changes, at least one of the other factors will also be affected. Project management involves making tradeoffs between the time, cost and scope of the project. Each of the factors play a significant part in the value of a project. The triple constraint needs much consideration when planning for a successful project.
2. Describe the two primary diagrams most frequently used in project planning
A PERT(Program Evaluation and Review Technique) chart is a graphical network model that depicts a projects tasks and the relationships between these tasks. It defines the dependency between project tasks before the tasks are scheduled. In the diagram boxes display various attributes for the project such as schedule and the arrows indicate the one task that is dependant on the start or completion of another task. The critical path is the path from the start to the finish of the project that passes through all the tasks that are critical to the completion of the project. 
A Gantt chart is a simple bar chart that depicts tasks against a calendar. In a Gantt chart the tasks are listed vertically against the schedule which is horizontal. This particular diagram is ideal for representing the schedule of a project. 3. Identify the three primary areas a project manager must focus on managing to ensure success.
• People-this involves managing the people involved in completing the project and any conflicts that may arise during the duration of the project. Managing people is one of the more difficult factors in ensuring the smooth completion of the project. A project manger not only has to manage the stakeholders of the project, and the project but the development team as well. • Communications-communication is the key to a successful project and it is often helpful if the project manager plans what and how to communicate as a formal part of the project management plan. A communication plan is where the manager distributes timely, accurate and meaningful information such as time, cost, quality and scope. Also involved with the communication is the need for the project manager to update stakeholders of the progress of the project and makes any requests of additional resources.
• Change-changes can come in the form of a crisis, market shift or technological development. A successful project manager will learn how to adapt to and even predict changes over the course of the project. Change within the duration of the project is inevitable and with the challenges and complexities that organisations face in today’s rapidly changing environment, effective change management is a critical core competency. Change management is a set of techniques that aid in the evolution, composition and policy management of the design and implementation of a system.
4. Outline 2 reasons why projects fail and two reasons why projects succeed
Failure
• Poor scope-this refers to the work that must be completed to deliver a product with the specified features and functions. A project scope statement includes constraints, assumptions and requirements. If the scope of the project is not adequately planned the final product won’t be achieved because either it won’t meet the requirements or the work will also affect the time and cost of the project. With a poor scope the designated work will take longer than initially estimated or even come in over budget.
• Lack of project management-this can lead to numerous issues such as unreasonable time, cost and scope, there is a need to seek a good balance on these competing demands throughout the project. Between 30-70% of projects fail because a project won’t be delivered upon schedule, come in over budget or don’t deliver the scope initially agreed upon. A good project manager must also manage the people involved, communication and the change over the course of the project. If a project manager cannot ensure that the people involved with the project are able to work together the project won’t align with the schedule and the work won’t be done to a satisfactory level.
- Follow this clip for an insight into some of the challnges for a project manager.
- Video Clip: 7 reasons why projects fail
• Good communication- a project will have the adequate support of all involved because they will be informed and understanding of the requirement for the project. If all involved are kept in adequate communicative bounds they will be able to contribute effectively whilst also feeling part of a team environment.
• Good decision making structure-this involves initially choosing the correct people, cost, time and scope of the project. It can also mean making decisions regarding whether or not to outsource the project, these are vital in the success of the project. Good decision making can also be a factor when changes occur during the projects duration and a manager must make crucial decisions to ensure success.
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