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We have a space where there are classrooms on the first floor of a government building. If the classrooms are back to back and the circulation surrounds them, and leads to egress doors, is this primary circulation or extended circulation? Can secondary circulation ever change to become primary circulation?
Thank you
Michele
Hi Michelle,
Most likely, the egress corridor should be designated as a Building Service Area, since it provides egress to the building and is unlikely to change. The Standard does not use the terms "primary" and "secondary" for circulation. If the corridor is specifically built to provide egress for the classrooms, then it should be designated as Extended Circulation (if connected to an existing multi-occupant corridor), or as an Inter-Allocated Area. This way, only the classrooms would take a proportionate share of the egress corridor.
Thanks,
David