Based on 2021 IBC - If the prefunction space outside a ballroom has an occupant load of 300 and the ballroom has an occupant load of 800, how many exits are required from prefunction? Two exits based on an occupant load of 300? Three exits based on all of prefunction and half the ballroom occupant load?
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Cumulative occupant loads
- Thread starter Jay Smith
- Start date
arwat23
SAWHORSE
Two exits. See 2021 IBC 1006.2.1, exception 1:
Exceptions:
1006.2.1 Egress Based on Occupant Load and Common Path of Egress Travel Distance
Two exits or exit access doorways from any space shall be provided where the design occupant load or the common path of egress travel distance exceeds the values listed in Table 1006.2.1. The cumulative occupant load from adjacent rooms, areas or spaces shall be determined in accordance with Section 1004.2.Exceptions:
- The number of exits from foyers, lobbies, vestibules or similar spaces need not be based on cumulative occupant loads for areas discharging through such spaces, but the capacity of the exits from such spaces shall be based on applicable cumulative occupant loads.