The short answer
These factors shape both risk and officer duties. Alcohol can increase medical concerns, impaired judgment, conflict, and transportation issues, so the plan should define the responsibilities of licensed servers, management, security, and police. Security officers should not make beverage-service decisions unless policy specifically assigns a lawful role. Attendance affects crowd density, queues, emergency egress, staffing, and communications, but behavior and venue complexity matter as much as the number of guests.
What to know
Layout determines sight lines, bottlenecks, restricted zones, stage or vendor protection, accessible routes, and evacuation options. Each entrance creates a staffing and credential-control requirement; too few open entrances can create unsafe lines, while uncontrolled doors create security gaps. Parking adds pedestrian-vehicle conflict, lighting, rideshare, traffic, employee safety, and post-event dispersal concerns.
The organizer should map these conditions during a site walk and coordinate with the venue, fire officials, emergency medical services, law enforcement, transportation, and accessibility personnel as appropriate. CISA’s mass-gathering planning framework specifically examines venue properties, security and emergency plans, crowd management, policies, and existing mitigation measures. Assign posts and radio procedures, then test likely scenarios. Arrow can provide event officers, but the final plan should document who owns every function and should never suggest that guards replace code compliance, licensed alcohol service, or emergency responders.