To provide a basis on which to determine space required in the public higher education institutions of Pennsylvania, the State Commission on Academic Facilities developed an instruction manual for a method of inventorying physical facilities by building and room. The building inventory and the room inventory are presented as separate sections, each section providing the necessary procedures to be followed and the data forms to be used. General information is provided on the scope of the inventory, the building identification coding, an inventory of residential facilities and the staff required for an inventory study. Appendixes provide necessary data for completing the forms and include such items as building categories and codes, construction codes, building condition codes, determining the gross building area, ownership codes, room function codes and definitions, room type codes, and other information related to building and room classifications. (BH)