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IFC 2018, Section 403.12.3.1 — Number of Crowd Managers:

"Where required by Section 403.12.2, crowd managers shall be provided in accordance with this section. The minimum number of crowd managers shall be not fewer than two trained crowd managers, and not fewer than one trained crowd manager for each 250 persons, or portion thereof, above 250 persons present in an indoor or outdoor assembly occupancy."

Exception: Where the assembly occupancy is protected throughout by an approved, supervised automatic sprinkler system, the minimum number of crowd managers shall be permitted to be reduced at the discretion of the fire code official.

Religious Worship Exception: Assembly occupancies used exclusively for religious worship with an occupant load not exceeding 1,000 need not comply.

NFPA 101 Life Safety Code, Section 12.7.6.1 — Crowd Managers:

"Assembly occupancies shall be provided with a minimum of one trained crowd manager or crowd manager supervisor. Where the occupant load exceeds 250, additional trained crowd managers or crowd manager supervisors shall be provided at a ratio of 1 crowd manager for every 250 occupants."

Exception: Where the assembly occupancy is protected throughout by an approved, supervised automatic sprinkler system, the ratio of crowd managers may be reduced, subject to the approval of the authority having jurisdiction.

Religious Worship Exception: Assembly occupancies used exclusively for religious worship with an occupant load not exceeding 1,000 are not required to comply.