Space roll up calculations The Facilities Service Management application can roll up occupancy, area, and usage information from lower to higher levels in the space hierarchy. Roll ups apply to spaces that are designated as 'occupiable'. The occupancy values from that space are rolled up to the level above them. An occupiable space is designated by selecting the check box on the facility space record. The Current occupancy and Percent occupied fields rely on the Occupiable option. Roll up calculations are modified in a script include.Figure 1. Occupiable selected and dependent fields The values that roll up are: occupancy max occupancy assignable area The percent occupied calculation takes place based on the current and max occupancy values.