You can set allocated hours in the project's basic information.
NB! The allocated hours for the tasks of the project are dominant. This means that the tasks and hours can over run the hour resources set in the project information.
Versions: Business, Enterprise
Requirements: Project rights
How to set allocated hours for a project
Set an estimate of hours to be used for the project
Choose Edit under the project's name
Set a number of hours in the Allocated hours in total field
In the example the allocated hours for this project is 40hours.
Budgeted hours in the project listing
In the project listing each project is followed up with the work hour numbers: Entered