The FireStatLA website is an interactive mapping platform to view LAFD response times.
LAFD Response Time Metrics Definitions:
LAFD Operational Response Time:
The time interval that starts when first contact is made (either through 911 or the fire dispatch center) and ends when the first Standard Unit1 arrives on-scene.
LAFD Call Processing Time2:
The time interval that starts when the call is created in CAD by a Fire Dispatcher until the initial Fire or EMS3 unit is dispatched.
The time interval between the activation of station alerting devices to when the first responders put on their PPE4 and are aboard apparatus and en-route (wheels rolling). Both station alarm and en-route times are required to measure this for each unit that responds. Turnout time is calculated for each unit dispatched to each incident.
The time interval that begins when the first Standard Unit is en-route to the incident and ends upon arrival of any of the Standard Units first on scene. This requires one valid en-route time and one valid on-scene time for the incident. Travel time can differ considerably amongst stations. Many factors, such as traffic, topography, road width, public events and unspecified incident locations, may impact travel time.
The number of incidents that result in one or more LAFD units being dispatched, regardless of record qualification.
Only qualified data is used to calculate the Fire Department Call Processing Time, Turnout Time, and Travel Time. Qualified data meets the following criteria:
- Data with negative values or values greater than 24 hours are removed if it involves computed time variables (call processing, turnout and travel times)
- Occasionally, multiple time stamps can occur due to multiple button presses. The time stamp recorded with the first button push will be used for the analysis.
- Non-emergency responses are removed. Only emergency responses are included.
- Airport and Port resources (Fire Stations 80, 110, 111, and 114) are excluded because they are not dispatched through the LAFD CAD system.
- Turnout time measurement is restricted to QTR (in quarters) dispatch status.
- The highest and lowest 1% of computed time values (Operational Response Time, Call Processing Time, Turnout Time, and Travel Time) are removed or “trimmed” from the available data each month. This is done to protect the calculated value from the influence of outliers5.
ALS Critical Incidents:
This incident type includes all Advanced Life Support (ALS) incidents that are marked for immediate dispatch. This includes most types of critical incidents.
Structure Fire Incidents:
This incident type indicates that a building or structure is reported to be actively burning. This category is calculated on a quarterly basis due their frequency of occurrence.
1Standard Unit: A standard unit has the capacity or equipment to administer the full suite of lifesaving services. Other units are only deployed in special circumstances and lack either the capacity or equipment to deliver the full suite of lifesaving services. These specialized units are not considered under any current metric examined by the LAFD.
2Fire Department Call Processing Time: The analysis we are currently reporting does not include the initial 911 call time stamp or the transfer time interval of that 911 call time stamp to the LAFD. Around 25% of calls that come in to the dispatch center are not from 911. Therefore, we use the creation time to start calculating the call processing time so we include all incoming calls. This metric is shown on the City-wide report.
3EMS = Emergency Medical Service
4PPE = Personal Protective Equipment, EMS category includes incident types that require minimum PPE and a Turnout Time of 60 seconds. The majority of these incidents require fire suppression tools and equipment to mediate. The NON-EMS category includes incidents that require full PPE and a Turnout Time of 80 seconds. The majority of these incidents require fire suppression tools and equipment to mediate and may result in patients that require medical evaluation and treatment.
5An outlier is a data point that is outside defined norms and is inconsistent with and further away from other data points. Values that are far away from the mean are likely a result of a separate type of error – coding problems, transcription errors, equipment failures, etc. The presence of outliers can distort the “true picture” of the measure of interest. Using outliers may lead to incorrect or misleading conclusions.
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