By default, the time schedule of your project contains the planning period and usage period of your equipment.-
During this period, your equipment will be out of the warehouse.
The planning period is used to calculate equipment availability. Planned equipment will not be available during the planning period, because it's needed on the project and will therefore be out of your warehouse.
Tip: Some companies also include necessary time for preparation and cleaning into the planning period.
Your customer will be charged for the entire usage period. This is when the equipment is actually being used for your project.
The usage period is needed to calculate the price factor, which largely determines the price of the project.