Base Building Circulation Area

The minimum path necessary for access to egress stairs, elevator lobbies, toilet rooms, refuge areas, building lobbies and entrances, ignoring tenant/occupant space configuration on the floor. (NEW) Discussion?The use of Base Building Circulation Area may occur in future standards development. It is not currently part of either the ASTM or ANSI standards but could be used to normalize the calculation of a Rentable/Useable ratio. Local regulations may apply and extend Base Building Circulation to provide access to life safety equipment. Bridges and tunnels that do not meet this definition and that cannot be readily used for other purposes are considered part of Base Building Circulation. Note that Base Building Circulation may differ from Primary Circulation as the primary circulation path reflects the actual occupant fit-up of the floor. Path width is established by typical or designed path widths for the building (often wider than codes require). orming and combining materials. (ASTM Definition revised with addition of contiguous and undivided) ****** A Unified Approach for Measuring Office Space | For Use in Facility and Property Management : Copyright 2007. Building Owners and Managers Association International and International Facility Management Association. All rights reserved. ISBN # 1-883176-73-5