Independent Australian reference

Event Medical Response and Crowd Safety in Australia

Event medical response is the planned provision of on-site care at a gathering, sized to the risks of that specific event rather than to its ticket count. In Australia it sits under the organiser duty of care in work health and safety law, and is delivered alongside, not instead of, the state ambulance service. Its purpose is to reach a patient and begin treatment in the minutes before an ambulance can arrive.

~10% Approximate fall in cardiac arrest survival for every minute without defibrillation
3 min Common planning target for a defibrillator to reach a patient anywhere on site
4-6 /m² Standing crowd density band where risk rises steeply and control shifts to flow management

Indicative planning figures drawn from resuscitation and crowd science. They are not regulatory limits.

What event medical response is

Event medical response is the on-site clinical capability an organiser puts in place so that illness and injury at a gathering are recognised, treated and escalated without delay. It spans everything from a single first aid post at a community market to a multi-team field operation with doctors, paramedics and a dedicated patient transport pathway. The discipline behind it is known as mass gathering medicine.

First aid posts at public events: a marquee treating a patient, a staffed information and first aid desk, a first aid station inside a transport hub, and bicycle responders with trauma kits
First aid provision takes different forms depending on the site. The measure of a medical post is how quickly it reaches patients, not how much equipment it holds.

The defining feature of a mass gathering is that a large number of people are concentrated in a space where normal emergency access is restricted. An ambulance that would ordinarily reach a street address in minutes may need to negotiate fencing, pedestrian flow, car parks, mud, stage infrastructure and a security perimeter. On-site medical cover exists to close that gap. It is best understood as a time-to-intervention service rather than as a miniature hospital.

Australian research has shaped how this is modelled internationally. The widely used framework developed by Australian mass gathering researchers groups the variables that drive medical workload into three domains: biomedical factors such as the age and health profile of the crowd, environmental factors such as heat, humidity, terrain and venue type, and psychosocial factors such as crowd mood, music genre, alcohol availability and the behaviour the event encourages. Two events with identical attendance can generate very different patient loads once those three domains are compared.

Two measures recur throughout the literature and in provider quotes. Patient presentation rate, often shortened to PPR, is the number of people who present to the medical service per thousand attendees. Transport to hospital rate, or TTHR, is the proportion sent on to an emergency department. Both are used to size teams, stock and ambulance liaison. Published ranges vary enormously by event type, so they belong in planning as a tested estimate for your own event rather than as an industry constant.

When an event needs medical cover

There is no single national attendance threshold in Australia above which medical cover becomes compulsory. The obligation comes from work health and safety law, which treats an event organiser as a person conducting a business or undertaking and requires first aid that is adequate for the risks actually present. Some event categories carry additional, specific obligations on top of that general duty.

In practice three separate layers decide what you must provide, and they are often confused with one another.

1. The general work health and safety duty

Model work health and safety laws, adopted with variations across the states and territories, require a person conducting a business or undertaking to provide first aid equipment, facilities and trained first aiders appropriate to the hazards, the size of the operation and the location. The model Code of Practice on first aid in the workplace is the reference document most regulators point to. Volunteers are workers for these purposes, which catches a large share of community events.

2. Event-specific regulation

Certain events sit under their own statutory regime. The clearest Australian example is New South Wales, where music festivals captured by the Music Festivals Act 2019 must prepare and comply with a health and medical plan, and higher risk festivals need that plan agreed with NSW Health before the event proceeds. Requirements of this kind change, so confirm the current position with the relevant department rather than relying on a summary.

3. Venue, council and insurance conditions

The practical trigger is often contractual rather than statutory. Local council permits, land owner agreements, venue hire conditions, liquor licensing and public liability insurers commonly specify medical cover, first aid post provision, ambulance access or a safety management plan. These conditions frequently exceed the statutory minimum, and failing them can void cover.

Risk factors that raise the requirement

  • Outdoor and unbounded sites with long distances to a sealed road
  • Summer scheduling, exposed terrain and limited shade or water
  • Standing, mobile crowds rather than seated audiences
  • Alcohol service, or an event culture associated with other drug use
  • Multi-day and camping formats, where fatigue and dehydration accumulate
  • Very young, very old or medically vulnerable audiences
  • Physical participation, such as fun runs, obstacle events and motorsport
  • Remote or regional locations with extended ambulance response distances

Levels of care compared

Event medical teams are built from tiers of clinical capability, each with a different scope of practice. A plan that stacks many people at the lowest tier is not equivalent to one that places a smaller number of higher tier clinicians where they are needed. The right mix is the one that matches the clinical problems your risk assessment predicts.

Rapid response tiers in practice: a motorcycle responder with a packed response kit, bicycle responders moving through traffic, and a team treating a patient on scene
Motorcycle and bicycle responders exist to beat the crowd, not to carry more equipment. Capability that cannot reach the patient is not cover.
Tier Typical scope Suited to Key limitation
First aider DRSABCD, bleeding control, splinting, basic airway, defibrillation with an automated device, patient comfort and observation Low risk community events, seated audiences, markets, school and sporting fixtures No medication administration beyond very limited items, no advanced airway or cannulation
Advanced first aid or emergency responder Oxygen therapy, suction, supraglottic airway in some scopes, extended trauma management, structured patient handover Mid-size festivals, agricultural shows, endurance events Scope varies widely between providers and is set by the employer, not by a single national standard
Registered paramedic Comprehensive emergency assessment, analgesia, a defined drug formulary, cardiac monitoring, advanced airway management Large crowds, alcohol licensed events, motorsport, high consequence sites Registration and scope must be verified; an event paramedic is not automatically an ambulance resource
Intensive care paramedic Critical care interventions, extended pharmacology, complex resuscitation, retrieval support Major festivals, events with credible mass casualty exposure, remote sites Scarce and costly; usually justified by distance from definitive care rather than by crowd size alone
Event doctor Diagnosis, prescribing, treat and discharge decisions on site, clinical governance of the team Very large or high acuity events, and events seeking to reduce hospital transfers Needs defined governance, record keeping and medication custody arrangements
Welfare and peer support Non-clinical de-escalation, hydration, shade, psychological first aid, early identification of deteriorating patrons Music festivals and night-time events Not a substitute for clinical staff; must have clear escalation criteria

Scopes of practice differ by jurisdiction, employer and individual qualification. Confirm what each roster member is actually authorised to do before the event, in writing.

Building an event medical plan

An event medical plan is the document that translates your risk assessment into people, equipment, locations and decisions. A plan is workable when a clinician who has never attended your event can read it on arrival and know where to stand, who to call, and what triggers an escalation. Ten components cover almost every format.

  1. Event profile and risk assessment. Dates, times, attendance profile, site layout, licensing, weather exposure, and the biomedical, environmental and psychosocial factors you have identified.
  2. Predicted workload. Your estimated patient presentations and transports, with the reasoning behind the estimate and the comparable events used.
  3. Team structure. Roster by tier and shift, named roles including a medical commander, qualifications held, and the person responsible for clinical governance.
  4. Facilities and equipment. Medical post locations, treatment capacity, lighting, power, shade, cooling capability, defibrillator placement map, consumables and medication custody.
  5. Access and egress. Ambulance routes, rendezvous points, gate keys and codes, the crew who will escort an incoming crew, and a stretcher route from every zone including backstage and campgrounds.
  6. Communications. Radio channels and call signs, the dedicated medical channel, how a patron or staff member raises an alarm, and who talks to the ambulance service, police and the venue.
  7. Escalation and major incident criteria. The thresholds that trigger extra resources, who may declare a major incident, and the structured message format used to pass it on.
  8. Weather and environmental triggers. Pre-agreed thresholds for heat, wind, storms and smoke, with the action attached to each and the person authorised to pause or stop the event.
  9. Records and privacy. Patient care record format, storage, retention, who may access them, and how personal health information is handled.
  10. Debrief and reporting. Hot debrief on the day, formal review afterwards, incident notification obligations, and how findings feed into next year.
Ambulance resources an event plan must interface with: a crew at an open ambulance, a response kit laid out with a monitor and defibrillator, a motorcycle responder in traffic, and a patient being treated in the back of an ambulance
Access and egress is a plan component in its own right: a rendezvous point, a named escort, gate codes and a stretcher route from every zone.

In New South Wales, music festivals subject to the Music Festivals Act 2019 work to a prescribed health and medical plan format, and NSW Health publishes a template. Where a prescribed format exists, use it rather than a generic structure.

The first ten minutes

Most event medical outcomes are decided in the first ten minutes after a collapse or injury, long before an ambulance arrives. The variables that matter are how quickly the patient is found, how quickly a defibrillator reaches them, and how clearly the first person on scene communicates. Rehearsing this sequence is more valuable than adding equipment.

The chain of survival in sequence: bystanders performing CPR in a public space, a wall mounted automated external defibrillator cabinet, a cardiac monitor in use, and advanced life support in an ambulance
The whole timeline is built backwards from one number: how long it takes a defibrillator to reach any point on site.
0:00
Recognition and alarm. A patron, staff member or camera operator spots the problem. The single biggest delay in event medicine is the gap between something happening and anyone telling the medical team. Clear signage, briefed bar and security staff and a one-step radio call shorten it.
0:30
Dispatch with a usable location. Zone names and grid references beat descriptions like near the second bar. The medical channel receives the location, the nature of the problem and the number of patients.
1:00
First responder on scene. Scene danger is assessed before anything else, which is why Danger is the first letter of DRSABCD. Crowd pressure, stage pyrotechnics, vehicles and aggressive bystanders all change the approach.
2:00
Primary assessment and call for help. Response, airway and breathing are checked. If the patient is unresponsive and not breathing normally, chest compressions start immediately and the defibrillator is requested in the same breath.
3:00
Defibrillator applied. This is the number the whole plan is built around. Device placement, the number of devices and the position of roving teams should all be derived from a target time to first shock, not from site aesthetics.
4:00
Triple zero and ambulance liaison. The external call is made in parallel, not after on-site care stabilises. The site contact who will meet and escort the crew is confirmed, along with the gate and route.
5:00
Crowd and scene management. Security creates a working perimeter, phones are discouraged, and a clear corridor is opened. Poor scene control is a common reason that a technically correct resuscitation still runs late.
6:00
Second tier arrives. Higher tier clinicians take over advanced interventions. Command separates from hands-on care so someone is tracking the clock, the resources and the rest of the site.
8:00
Decision point. Treat on site, move to the medical post, or transport. Where multiple patients are involved, this is where field triage categories are assigned and the structured major incident message is considered.
10:00
Handover and backfill. A structured handover to the ambulance crew, the patient care record started, and the zone the responders left is covered again. Documentation begun now is far more accurate than documentation written at the end of the shift.

Incident types and warning signs

The overwhelming majority of event presentations are minor: blisters, cuts, headaches, mild dehydration and small limb injuries. The rare critical presentations are what the plan must be designed around, because they are the ones where minutes decide the outcome. The table below pairs common presentations with the early signs that staff should be briefed to recognise.

Presentation Early signs to brief staff on Immediate priority
Cardiac arrest Sudden collapse, unresponsive, not breathing normally, occasional gasping that is often mistaken for breathing Compressions immediately, defibrillator to scene, triple zero in parallel
Heat exhaustion Heavy sweating, weakness, nausea, headache, clammy skin, normal or mildly raised temperature, mental state intact Move to shade, cool actively, rehydrate, observe for progression
Heat stroke Confusion, agitation, slurred speech, collapse, very hot skin, altered mental state in a hot environment Medical emergency. Cool first, transport second. Start rapid cooling on scene
Anaphylaxis Hives with breathing difficulty, swelling of face or throat, wheeze, sudden collapse after food, sting or drug exposure Adrenaline autoinjector without delay, lay flat, triple zero, never let the patient stand or walk
Seizure Sudden collapse with convulsion, loss of awareness, post-event confusion Protect from injury, time the seizure, nothing in the mouth, recovery position afterwards
Drug or alcohol toxicity Agitation, very high body temperature, confusion, abnormal behaviour, reduced consciousness, hyperventilation Clinical assessment, active cooling where hot, continuous observation, early escalation
Crush and compression injury Patron unable to move within a tight crowd, distress with no space, difficulty breathing while upright Relieve density and extract, airway and breathing first, treat as time critical
Falls and limb trauma Deformity, inability to bear weight, pain out of proportion, bleeding that does not slow with pressure Control bleeding, immobilise, analgesia within scope, assess for head and spinal involvement
Mental health crisis Acute distress, panic, disorientation, overwhelming sensory load, risk to self Quiet low stimulus space, psychological first aid, clinical and welfare pathway, do not isolate
Minor presentations Blisters, abrasions, sunburn, insect bites, headaches, mild dehydration Treat and release efficiently; volume here protects capacity for the serious cases

This table is a briefing aid for non-clinical event staff, not a clinical protocol. In any emergency in Australia, call triple zero.

Environmental risk triggers

Environmental conditions are the most predictable driver of event medical workload, and the easiest to write decision rules around in advance. The value of a trigger is that it removes judgement from a tired production team at four in the afternoon. Each threshold should be agreed before the event, with a named person authorised to act on it.

Factor What it does to workload Typical planned responses
Air temperature Drives dehydration, heat exhaustion and heat stroke; raises presentation rates sharply on exposed sites Staged triggers: extra free water points, misting, shade expansion, roving hydration teams, set break schedules, pause criteria
Humidity Reduces the effectiveness of sweating, so heat illness appears at lower temperatures than people expect Use a combined heat measure rather than raw temperature; brief staff that a humid 30 degrees can outperform a dry 35
Direct sun and shade cover Radiant load on a treeless site is often the difference between a quiet and a busy medical post Shade structures at queues, viewing areas and medical posts; schedule high exertion activity outside peak sun
Wind Threatens temporary structures, signage, marquees, lighting towers and stage elements Structural wind ratings documented, monitoring during the event, pre-agreed strike and evacuation thresholds
Storms and lightning Creates a sudden evacuation requirement with a very short lead time Weather watch role, defined safe assembly areas, hold and release procedure, crowd messaging that is written in advance
Smoke and air quality Aggravates asthma and cardiac conditions; a recurring Australian summer factor Air quality monitoring, reliever medication availability within scope, criteria for curtailment
Ground conditions Mud, uneven terrain and cabling generate falls and slow every stretcher movement Matting on high traffic routes, trip hazard sweeps, all terrain patient transport capability
Crowd density The dominant driver of crush risk and the main obstacle to reaching a patient Density monitoring, flow management, entry rate control, pre-planned response corridors
Cold and wet Underestimated in Australia; hypothermia risk at night-time, alpine and camping events Heated or sheltered welfare space, dry clothing stock, overnight welfare patrols

Specific numeric thresholds vary by state guidance, venue, event type and audience, and they are revised. Set yours in consultation with your medical provider and the relevant authority, and record the reasoning.

Crowd safety and crush risk

Most crowd crush deaths are caused by compressive asphyxia, not by people being trampled underfoot. Once density rises past roughly six people per square metre, individuals lose the ability to control their own movement, the chest cannot expand against the surrounding pressure, and breathing fails while the person is still standing. Crowd safety is therefore an engineering and flow problem, not a crowd control problem.

Crowd management in practice: a front of stage barrier line with staff facing the audience, queue control with retractable barriers in a transit hub, pedestrian barriers deployed across a street, and a responder at an ambulance
Barrier lines, queue discipline and pit teams exist so that patrons can be extracted early, before distress becomes an emergency.

Crowd science describes a progression rather than a single event. As density increases, free movement is lost first, then the crowd begins to behave as a fluid, with shockwaves travelling through it when people at one edge push or stumble. A gap opens, people fall into it, and a progressive collapse propagates. By the time this is visible from a stage or a control room, intervention options are already limited.

Design factors that create risk

  • Bottlenecks: entry gates, bridges, bar frontages, tunnels and any point where a wide flow narrows
  • Counterflow: two opposing streams crossing in the same space, often created by scheduling or by toilet and bar placement
  • Attraction surges: headline act transitions, fireworks, giveaways and late entry waves
  • Dead ends: areas with a single exit, or exits that are locked, obstructed or unmarked
  • Slope and surface: ground falling towards a barrier concentrates pressure at the front
  • Sightline failure: people pressing forward because they cannot see, a predictable consequence of poor stage or screen placement

Controls that work

  • Calculate capacity by usable area and flow rate, not by the total footprint of the site
  • Control entry rate so that density builds slowly and never arrives as a single wave
  • Monitor density actively using trained spotters, elevated observation positions and camera coverage
  • Keep response corridors open from the medical post to every pit and viewing area
  • Give stage management the authority and the script to pause a performance and settle a crowd
  • Use front of stage pit teams who are briefed to extract patrons early, before distress becomes an emergency
  • Plan for the end of the event, when exit flows are at their most concentrated

Density figures quoted in crowd science are planning guidance, not statutory limits. Treat them as the point at which your controls must already be working.

Harm minimisation and welfare

Harm minimisation is the set of measures that reduce the damage caused by alcohol and other drug use among people who are going to use them regardless. At Australian festivals it is built from free drinking water, shaded chill out space, roving welfare teams, peer support and clear signage, combined with messaging that encourages patrons to seek help early. NSW Health guidance places particular weight on visible signage and on removing the fear that asking for help will get someone removed or charged.

The components that carry most of the benefit

  • Free water, easy to find. Enough refill points, open throughout, signed from a distance, and never dependent on queueing at a bar.
  • Chill out and cooling space. Shaded, quieter, staffed, with seating and water, positioned where a struggling patron can actually reach it.
  • Roving welfare teams. Non-clinical staff who find deteriorating patrons early. Most serious presentations are visible to a trained eye well before they become emergencies.
  • Peer support. Staff whose presentation and language make approach easy for a young crowd that may distrust uniforms.
  • Signage at entry. Patrons need to learn where medical and welfare services are before they need them, not while they are unwell.
  • Help seeking messaging. If patrons believe that asking for help means being ejected or arrested, they delay, and late presentations are the dangerous ones.
  • Staff training. Bar, security and volunteer teams briefed to recognise intoxication, heat illness and distress, and to escalate rather than eject.

How this connects to medical load

Welfare and medical capacity are communicating vessels. A well-run welfare operation absorbs a large number of presentations that would otherwise reach the medical post, which protects clinical capacity for genuine emergencies. The reverse is also true: a site with no shade, no water and no visible welfare presence will generate medical demand that no roster can comfortably absorb.

The legal status of specific interventions, including drug checking services, differs between states and has changed repeatedly. Confirm the current position in your jurisdiction before building it into a plan.

Illness, infection control and on-site testing

Infectious illness affects events in two distinct ways: it reduces the crew who are meant to run the event, and it spreads among a dense audience. Rapid antigen testing is a screening tool used mostly on crew, contractors and performers rather than on patrons, and a negative result reduces probability rather than excluding infection. Kits are also temperature sensitive, which matters on an Australian summer site.

What on-site testing can and cannot do

A rapid antigen test detects viral proteins when they are present in sufficient quantity. Early in an infection, or when the sample is poorly collected, that quantity may be below the threshold the test can see. This makes a single negative result a snapshot rather than a clearance. Used sensibly, testing supports decisions about whether a symptomatic crew member works a shift; used carelessly, it creates false confidence.

Factor Nasal sample Saliva sample
Collection Swab inserted into the nostril and rotated for the stated time Saliva collected into a funnel or by swabbing the mouth
Tolerability Uncomfortable for many people, often leading to shallow and inadequate sampling Generally better tolerated, which can improve compliance on repeat testing
Common user error Not inserting far enough, or not rotating for long enough Eating, drinking or smoking too close to collection, or providing insufficient volume
Practicality on site Fast and self-contained; needs a private space and waste handling Needs a short abstinence window beforehand, which is harder to manage mid-shift
Interpretation Both are screening tests. Follow the instructions supplied with the specific product, and treat a negative result in a symptomatic person with caution.
A person holding up a rapid antigen test cassette to read the result, with further sealed test kits and swabs laid out on the bench
A rapid antigen test is a screening tool. Sampling technique, infection stage and how the kit was stored all affect what the result means.

Storing test kits in Australian conditions

Every kit specifies a storage temperature range on the packaging. Production environments routinely breach it: kits left in a vehicle, a shipping container, an unshaded production office or a sun exposed store can exceed that range by a wide margin within an hour. Heat degrades the reagent and the result can no longer be relied upon. Store kits in a shaded, climate controlled location, let a cold kit return to room temperature before use, and discard anything that has been heat exposed or physically damaged.

Expiry dates are often extended by batch

The expiry date printed on a rapid test box is frequently superseded. As longer stability data becomes available, suppliers and regulators extend shelf life for specific batches, so two boxes with the same printed date can have different true expiry. The correct check is the batch or lot number against the current supplier and regulator listing, not the printed date in isolation. Build that check into your pre-event equipment audit rather than discovering it at the gate.

Other infection control measures that matter more

  • A clear do not attend policy for symptomatic crew, with shift cover that makes it realistic
  • Hand hygiene stations at food, toilets and crew catering
  • Ventilation in crew areas, production offices and green rooms
  • Cleaning of high touch surfaces across long builds and multi-day events
  • Separation of unwell patrons in a dedicated, ventilated area rather than in the main medical post

Product specific performance, approved uses and current batch expiry listings change. Check the manufacturer instructions and the regulator listing for the exact product you hold.

Common misconceptions

Beliefs that repeatedly shape event plans in the wrong direction.

Myth: people are trampled to deathReality: the usual mechanism in a crowd crush is compressive asphyxia, with victims upright and unable to breathe. The control is density and flow, not crowd control after the fact.
Myth: the golden hour is the deadlineReality: for cardiac arrest the clock runs in minutes, not an hour. Time to defibrillation, not time to hospital, is the figure your plan should be built around.
Myth: more medics means saferReality: access time, skill mix and site layout decide outcomes. A large roster that cannot reach a patient through a dense crowd is not cover.
Myth: the first aid post is a mini hospitalReality: its job is early intervention and sound escalation. Measure it by time to treatment and quality of handover, not by equipment inventory.
Myth: the ambulance service is on standbyReality: unless a dedicated resource is contracted, you are in the normal emergency queue. Plan your own autonomy accordingly.
Myth: cool the heat stroke patient in the ambulanceReality: cool first, transport second. Rapid cooling starts on scene, because time at a dangerous core temperature drives the injury.
Myth: chill out spaces encourage drug useReality: they shorten the time between someone deteriorating and someone noticing, which reduces severe presentations.
Myth: event triage is hospital triageReality: field triage for multiple casualties and the Australasian Triage Scale used in emergency departments are different systems for different settings.
Myth: a negative rapid test means not infectiousReality: it is a screening result at a point in time, sensitive to sampling technique, infection stage and how the kit was stored.
Myth: a defibrillator could hurt someoneReality: an automated external defibrillator analyses the rhythm and will not deliver a shock when one is not indicated. Hesitation costs more than use.
Myth: volunteers are outside work health and safety lawReality: volunteers are generally treated as workers, which brings them inside the organiser duty of care.
Myth: last year was fine, so the plan is fineReality: workload is driven by weather, crowd profile and layout. A mild year validates nothing about a hot one.

Duty of care and documentation

An event organiser in Australia is a person conducting a business or undertaking under work health and safety law, with duties towards workers, volunteers and members of the public affected by the event. The obligation is to eliminate risk so far as is reasonably practicable, and to minimise what cannot be eliminated. Documentation is how that reasoning is demonstrated afterwards.

What the duty actually requires

The test is not whether an incident occurred, but whether the organiser identified foreseeable risks and put proportionate controls in place. Regulators and insurers look for evidence of a process: a risk assessment that names the specific hazards of this event, a plan that responds to them, briefings that reached the people who needed them, and a record of decisions taken on the day.

Records to keep

  • Risk assessment and medical plan with version history, so changes and the reasons for them are visible
  • Patient care records for every presentation, including minor ones, with time stamps
  • Staff qualifications and registrations verified before the event, not claimed afterwards
  • Equipment and medication checks, including defibrillator readiness and consumable expiry
  • Decision log for weather triggers, pauses, escalations and capacity decisions
  • Incident reports and any notifications required by the regulator
  • Debrief notes and the actions they generated for the next event

Privacy of health information

Patient records collected at an event are personal health information. They need secure storage, controlled access, a defined retention period and a lawful basis for any disclosure. Handing a patient record to a production manager or a sponsor because they asked is not acceptable. Agree the custody arrangement with your medical provider in writing before the event, including who holds the records afterwards.

This section describes the general framework. Specific obligations, thresholds and notification duties differ by state and territory and are revised. Confirm the current requirements with your regulator or a qualified adviser.

Official Australian sources

Guidance in this field changes, and the authoritative version always sits with the issuing body. These are the primary places to confirm current requirements before finalising a plan. Start with your own state, because work health and safety law is applied jurisdiction by jurisdiction.

Safe Work Australia

Model work health and safety laws and the model Code of Practice on first aid in the workplace, which state regulators adopt with variations.

Your state or territory regulator

SafeWork NSW, WorkSafe Victoria, Workplace Health and Safety Queensland and their counterparts publish the version of the code in force where your event is held.

State health departments

NSW Health publishes guidelines for music festival event organisers covering harm reduction and health and medical plans. Other jurisdictions publish their own event health guidance.

State ambulance services

Event notification processes, access requirements and arrangements for contracted on-site resources.

Australian Resuscitation Council

The basic and advanced life support guidelines that underpin DRSABCD and defibrillator use in Australia.

Local council and venue

Permits, licence conditions, site specific emergency plans and the medical cover clauses in your hire agreement.

Choosing a medical provider: twelve questions to ask

Event medical providers differ enormously in clinical scope, governance and experience, and quotes are rarely comparable on price alone. The questions below separate a provider who will carry clinical risk properly from one who is supplying staff at a day rate. Ask them in writing and keep the answers with your plan.

  1. What is the registration and scope of each person on the roster? Names and qualifications, not a tier label.
  2. Who provides clinical governance? There should be a named clinician responsible for standards, medications and incident review.
  3. How did you arrive at this staffing proposal? A good answer references your event profile, weather exposure and comparable events, not a generic ratio.
  4. What is your escalation process? Who declares a major incident, in what format, and who liaises with the ambulance service.
  5. How many defibrillators, and where will they sit? Ask for a placement rationale based on time to reach any point on site.
  6. What medications will be held, and under what authority? Custody, storage, recording and the scope of who may administer.
  7. How do you handle patient records and privacy? Format, storage, retention, access and who holds them after the event.
  8. What are your weather and stop triggers? A provider should propose thresholds, not wait to be told.
  9. What is your communications plan? Radio channels, call signs, and how a patron alarm reaches a responder.
  10. What insurance do you carry? Public liability and professional indemnity, with currency confirmed in writing.
  11. What does the handover and reporting look like? What you receive after the event, and when.
  12. What would make you refuse to operate? A provider with no answer has not thought about where the line is.

Pricing structures and market rates vary by state, season and event scale, and they move. Compare proposals on scope, roster and governance first, then on cost.

Who this reference is written for

Roles that have to make these decisions, usually without a clinical background.

Event organisers

Sizing cover, commissioning a provider and signing off a plan they are accountable for.

Venue and site managers

Access routes, capacity, emergency procedures and conditions imposed on hirers.

Volunteer coordinators

Briefing non-clinical teams on what to look for and how to raise an alarm.

Work health and safety officers

Translating a general duty of care into documented, defensible event controls.

Complete guide

The Complete Guide to Event Medical Planning in Australia

Everything above in sequence: how to move from a blank page to a medical plan that holds up on the day, survives scrutiny afterwards, and matches the event you are actually running rather than the one in the template.

1. Start with the event, not with the roster

The most common planning failure is starting from a number of staff. It produces a plan that cannot explain itself, and it breaks the moment conditions change. The sequence that works runs the other way: describe the event precisely, derive the risks, estimate the workload, then build the team that the workload requires.

Describe the event in the terms that actually drive medical demand. Attendance and dates matter less than whether the crowd is seated or mobile, whether the site is bounded or open, how far it is from a sealed road, how much shade exists, whether alcohol is served, whether patrons camp overnight, what the audience age profile looks like, and what the event culture encourages. A seated 20,000 capacity arena concert and a 5,000 person open-air dance event in February are not comparable planning problems, and the smaller one is frequently the harder one.

2. Run a risk assessment that names things

Generic risk registers list hazards such as injury and illness, and are useless. A usable assessment names the specific scenario, the population affected, the existing controls and what remains. Instead of trips and falls, write: patrons crossing uneven ground between the camping area and the main arena in darkness, with cabling crossing the route at two points, no lighting on the eastern path, and an estimated 3,000 movements after midnight.

The three domain framework from Australian mass gathering research is a practical prompt list. Work through biomedical factors, environmental factors and psychosocial factors in turn and write down what each contributes for your event. The output is not a score. It is a list of concrete scenarios that your plan must answer.

3. Estimate the workload before you price the team

Patient presentation rate is the planning currency. The estimate should be built from comparable events, not from a rule of thumb, and it should be documented with the comparison you used. Weather is the variable that most often invalidates a prior year estimate, so build at least two cases: expected conditions and a hot or wet alternative, with the staffing and stock implications of each.

Transport to hospital rate matters separately, because it governs your relationship with the ambulance service and the local emergency department. A plan that quietly assumes it can transport a dozen people on a Saturday night without any consultation is not a plan. Where an event is large enough to affect the local health system, that conversation happens early, not during the event.

4. Build the team around access, not around the medical post

Capability is useless if it cannot reach the patient. Map the time to reach every zone, including backstage, campgrounds, car parks, queues outside the gate and the furthest point of the site, in the conditions that will exist when the crowd is at peak. Then place roving teams, defibrillators and transport capability to compress the worst of those times.

A site that is impassable at 9pm needs roving capability inside the dense areas, not a larger tent at the perimeter. Consider how a stretcher actually moves through the crowd you are expecting, and whether the response corridor shown on the plan will still be open when 8,000 people are watching the headline act.

5. Write decisions down before the day

The point of pre-agreed triggers is to remove judgement from exhausted people under pressure. Decide in advance what temperature or heat measure prompts additional water points and shade, what wind speed strikes the marquees, what lightning distance holds the show, what density reading pauses entry, and who is authorised to act in each case. Put names against those authorities, and make sure those people know they hold them.

The same applies to escalation. Define what triggers a call for additional resources, who declares a major incident, and in what structured format the message is passed. Rehearse the message. The moment to discover that nobody knows the site grid reference system is not while a patient is in cardiac arrest.

6. Communications are a clinical control

A dedicated medical radio channel, clear call signs, and a single rehearsed process for anyone on site to raise an alarm will do more for outcomes than most equipment purchases. Brief bar staff, security, cleaners and volunteers on exactly what to say and to whom, because they are the people who will see most incidents first.

Location naming deserves particular attention. Zones should be named consistently across production, security, medical and the ambulance service, and those names should appear on the site map, on signage and on the radio. The single most common cause of delay in event medical response is a responder arriving in the wrong place.

7. Plan for multiple casualties even if you never use it

Most events never need field triage. The ones that do, need it immediately and without discussion. The plan should state which triage system is in use, who assigns categories, where a casualty collection point would be established, and how the structured major incident message is sent. Note clearly that field triage categories are not the Australasian Triage Scale used in emergency departments; conflating the two creates confusion at handover.

8. Treat heat as the default Australian hazard

Across most of the country, heat is the most reliable driver of medical workload and the most preventable. Hydration, shade and schedule are preventive controls, and they belong in the production plan rather than in the medical plan alone. Clinically, the distinction that matters is between heat exhaustion, where mental state is intact, and heat stroke, where it is not. Heat stroke is a time critical emergency and the principle is to cool first and transport second, because the duration of the raised core temperature is what causes the damage.

Humidity is the factor most often missed. Sweating is the main cooling mechanism available to the body, and high humidity blunts it, so heat illness can appear at temperatures that feel manageable. Use a combined measure rather than raw air temperature when setting your triggers, and brief staff on why a humid day is not the mild day it appears to be.

9. Integrate welfare rather than bolting it on

Welfare and harm minimisation reduce clinical demand and improve detection. Water, shade, quiet space, roving welfare teams and clear signage shorten the time between someone deteriorating and someone noticing. Messaging that makes patrons confident they can ask for help without being ejected or charged directly affects how late people present, and late presentations are the dangerous ones. NSW Health guidance for music festival organisers emphasises exactly this combination of visible services and early help seeking.

10. Close the loop afterwards

A hot debrief on the day captures what people remember while they still remember it. A formal review afterwards should look at presentation numbers against the estimate, response times against the targets, any incident that required escalation, equipment and stock performance, and whether the triggers you set were the right ones. Feed the findings into next year as specific changes, with owners and deadlines. A plan that is copied forward unchanged for three years is a plan nobody has tested.

A note on numbers

This guide deliberately avoids quoting staffing ratios, permit thresholds, regulatory limits, price benchmarks and current guideline versions. Those figures differ by state, venue and event type, they are revised frequently, and a number repeated out of context is how bad plans get justified. Where a figure is decision critical, take it from the issuing authority for your jurisdiction, record the date you checked, and review it before the next event.

Frequently asked questions

There is no single national rule that sets a headcount of medics per event. Event organisers are persons conducting a business or undertaking under work health and safety law, so the duty is to assess the risks of your specific event and provide first aid that is adequate for them.

Some events carry extra obligations. In New South Wales, music festivals captured by the Music Festivals Act 2019 must prepare and comply with a health and medical plan, and higher risk festivals need that plan agreed with NSW Health. Venue conditions, council permits and insurers frequently impose further requirements. Always confirm the current position with your state regulator and health department.

Staffing is an output of a risk assessment, not an input to it. The number and skill mix follow from attendance, event type, duration, weather exposure, alcohol and drug availability, crowd mobility, audience age profile and the distance to the nearest emergency department.

Two events with identical attendance can justify very different teams. Treat any ratio you see quoted as a starting hypothesis to be tested against your own patient presentation estimate, and ask any provider to explain how their proposal was derived.

DRSABCD is the basic life support action plan taught in Australia: Danger, Response, Send for help, Airway, Breathing, CPR, Defibrillation. It is the sequence a first aider follows on reaching a collapsed patron.

At events the first three steps carry disproportionate weight. Scene danger from crowd pressure, vehicles or stage equipment changes the approach, and a fast, accurate call for help determines whether the rest of the chain works at all.

Survival from cardiac arrest falls sharply with every minute that passes without defibrillation, commonly described as roughly ten per cent per minute. Event plans therefore work backwards from a target of around three minutes from collapse to shock, anywhere on site.

That target should drive how many devices you deploy, where they sit, and how roving teams are positioned. It is a far better design input than the size of the medical tent.

Risk rises steeply once a standing crowd passes roughly four to five people per square metre, and densities above about six per square metre are treated as dangerous because individuals can no longer control their own movement.

These are indicative planning figures from crowd science rather than legal limits. The practical control is to manage entry rate, flow and layout so that such densities never form in the first place.

Most crowd crush deaths are caused by compressive asphyxia rather than by people being trampled underfoot. At high density the chest cannot expand against the surrounding pressure, so breathing fails while the person is still upright and wedged in place.

This is why crowd safety is engineered through density, flow and layout rather than managed reactively once a crush has already formed. By the time a crush is visible from a stage, the available options are limited.

The accepted principle in exertional heat stroke is cool first, transport second. Time spent at a dangerously high core temperature drives the injury, so rapid cooling is started on scene rather than deferred until the patient reaches hospital.

Heat stroke is distinguished from heat exhaustion by altered mental state, including confusion, agitation or collapse, and it is a medical emergency. In Australia, call triple zero.

Harm minimisation is the set of measures that reduce the damage caused by alcohol and other drug use among people who are going to use them regardless. At festivals it typically includes free drinking water, shaded chill out spaces, roving welfare teams, peer support and clear signage to medical and welfare services.

Messaging matters as much as infrastructure. NSW Health guidance emphasises encouraging patrons to seek help early, because the presentations that become dangerous are usually the late ones. The legal status of specific interventions differs between states and has changed repeatedly, so confirm the current position locally.

Rapid antigen tests contain biological reagents with a specified storage range. Leaving kits in a hot vehicle, a shipping container or an unshaded production office can exceed that range quickly, degrade the reagent and make results unreliable.

Printed expiry dates are also frequently extended batch by batch as longer stability data becomes available, so the correct check is the batch or lot number against the current supplier and regulator listing rather than the printed date alone. Discard any kit that has been heat exposed or physically damaged.

A workable plan covers the event profile and risk assessment, expected patient presentations, team structure and qualifications, equipment and medication holdings, the location and layout of medical posts, ambulance access and egress routes, communications and call signs, escalation thresholds and major incident authority, patient records and privacy handling, weather triggers and stop criteria, and the debrief and reporting process.

The test of a plan is whether a clinician who has never attended your event can read it on arrival and know where to stand, who to call and what triggers an escalation. Where a prescribed format applies, such as the health and medical plan required for certain New South Wales music festivals, use that format rather than a generic structure.

Glossary of terms

AED
Automated external defibrillator. A device that analyses heart rhythm and delivers a shock only when one is indicated, usable by trained and untrained responders.
AIIMS
Australasian Inter-service Incident Management System. The incident management structure used across Australian emergency services, including defined command, planning, operations and logistics roles.
Australasian Triage Scale
The five category urgency scale used in Australian emergency departments. It is distinct from the field triage systems used for multiple casualties at an incident.
Bounded event
An event held within a defined, fenced or enclosed site, where entry is controlled. An unbounded event has no such perimeter, which complicates access and crowd estimation.
Casualty collection point
A pre-identified location where multiple patients are gathered, triaged and prepared for transport during a major incident.
Chill out space
A shaded, quieter, staffed area where patrons can rest, rehydrate and be observed, reducing the number who deteriorate to the point of needing clinical care.
Compressive asphyxia
Inability to breathe caused by external pressure on the chest. The usual mechanism of death in a crowd crush.
DRSABCD
Danger, Response, Send for help, Airway, Breathing, CPR, Defibrillation. The basic life support action plan taught in Australia.
Duty of care
The legal obligation, under work health and safety law, to eliminate or minimise risk to workers, volunteers and the public so far as is reasonably practicable.
Field triage
Rapid sorting of multiple casualties by urgency at the scene of an incident, so that limited resources reach the most time critical patients first.
Health and medical plan
The plan that certain New South Wales music festivals must prepare and comply with under the Music Festivals Act 2019, with higher risk events requiring agreement from NSW Health.
Heat exhaustion
Heat illness with intact mental state, marked by heavy sweating, weakness, nausea and headache. It can progress to heat stroke if untreated.
Heat stroke
A medical emergency in which a dangerously raised core temperature is accompanied by altered mental state. Managed by rapid cooling on scene before transport.
Mass gathering medicine
The discipline concerned with health care delivery at events where large numbers of people are concentrated and normal emergency access is restricted.
Medical commander
The named person responsible for directing the medical response, coordinating with other agencies and holding situational awareness rather than delivering hands-on care.
METHANE
A structured major incident message: Major incident declared, Exact location, Type, Hazards, Access, Number of casualties, Emergency services required.
PCBU
Person conducting a business or undertaking. The work health and safety term that captures event organisers and brings volunteers within the duty of care.
PPR
Patient presentation rate. The number of people presenting to the on-site medical service per thousand attendees, used to size teams and stock.
Psychological first aid
Practical, non-clinical support for people in acute distress, focused on safety, calm, connection and access to further help.
Rendezvous point
The agreed location where incoming emergency vehicles are met and escorted onto the site, specified in advance with gate details and access codes.
TTHR
Transport to hospital rate. The proportion of attendees transported to an emergency department, used to plan ambulance liaison and hospital notification.
Welfare team
Non-clinical staff who identify, support and monitor patrons who are unwell, intoxicated or distressed, and escalate to clinical staff when needed.

Planning medical cover for an event?

Work through the sections above in order, confirm the current requirements with your state regulator and health department, and keep a dated record of every figure you rely on. Where numbers change, our dated articles cover them in detail.

Read the complete guide Common questions

Latest articles

Dated coverage of the figures and rules that change: staffing guidance, state requirements, equipment and seasonal risk.

Event Response Guide

An independent Australian reference on event medical response, crowd safety and on-site health screening, written for the people who have to plan it.


Images on this page are illustrative. They do not depict any specific event, organisation or incident described here.

Medical disclaimer. This page is general information about event safety planning. It is not medical advice and does not replace accredited first aid or resuscitation training. In an emergency in Australia, call triple zero.

Independence. This is an independent information resource. It is not affiliated with, endorsed by, or connected to any company that previously used this domain name, or to any medical device, testing or event services provider.

Figures that change often, including staffing guidance, permit thresholds, pricing and state rules, are covered in dated articles rather than on this page.