Forensic science is the application of a broad spectrum of sciences to answer
questions of interest to a legal system. This may be in relation to a crime or a civil
action. The word forensic comes from the Latin forēnsis, meaning "of or before the forum."
While operators initially expected GPS to show substantial “day of” information, they discovered that using the data in a forensic manner was best. Rebuilding the path a driver took on a previous day, comparing time of arrival with tech status for accuracy, and analyzing route adherence are all examples of forensic troubleshooting. GPS is best used as a forensic tool, helping to see how past performance can be changed to improve future results. Examples of forensics that can be reviewed are:
A. Time of arrival to a job compared to time that the job was actually started (tech
status). This should be within 60 seconds of time of arrival
B. Time of completion of the job compared to the time the vehicle started moving to the next job. This should be within 60 seconds of close of the job
C. Speeding - Real time alerts will deal with incidents as they occur. Looking at total incidents over time will show the improvements in speeding issues.
D. Route adherence - Evaluate if the best route was taken between jobs to reduce miles driven
E. Diagnostic errors can be reviewed to assess if vehicle maintenance is being
handled in a timely fashion. Evaluating items like low battery voltage or On Board Diagnostic (OBD)
*Note: Idling is not addressed in this post, as it is being presented by others.
Breaking workforce management into three areas, information from GPS proves its usefulness.
Supervising for success requires separating what is important from the mountains of information available today. With GPS installed in more and more vehicles, there is no end to the data that can be retrieved. Idling has been the “low hanging fruit” to manage creating an immediate improvement in costs (less fuel consumed), vehicle maintenance (less engine wear and tear) and better fuel efficiency (fuel burned while in motion vs. at a standstill).
There are a number of other metrics that if set up and given a baseline will yield further operational improvements. Time stamps, safety and speed issues, engine issues and route adherence are some other metrics that should be considered. What does managing the data look like? While there are a myriad of directions a management or supervision team can pursue, there are only a few that need to be evaluated for operational improvements.
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