Goal setting helps to create a compelling vision of the project's end result and its value to the organization.
In most projects the project manager is responsible for the workplan and updates it on a weekly or bi-weekly basis. In most projects the project manager is the only one that is allowed to update the plan. However, there are some options, especially for larger projects.
Project team: Finding better ways to reward your team
Project management resources - project team
Project management resources - power goals
Project management resources: Be a project champion
The Project Manager is responsible for clearly defining what is expected from each member of the team.