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  ACCIDENT INVESTIGATION & RECONSTRUCTION
What causes most of the Accidents?
The major cause of accidents on road is bad driving.
The driver may be driving inattentively, distracted or aggressively. He may be under the influence of drugs or drinks.
The driver may not be following safe driving practices, speeding, not exercising care in passing, turning, collisions with animals, oncoming & crossing traffic.
The other causes of accidents are bad weather, road condition, faulty road design and snag due to poor maintained vehicle.

Road Traffic Accident or Collision Investigation Accident causation is very complex and must be understood adequately in order to improve accident prevention. Their occurrences result in injuries, fatalities, loss of production or damage to property and assets. Researchers from different fields of science and engineering have been trying to develop a theory of accident causation which will help to identify, isolate and ultimately remove the factors that contribute to or cause accidents.
Experts say that 88% of all accidents are caused by unsafe acts. 10% unsafe actions could be behavioural pertaining to improper attitude, lack of knowledge, lack of skills and inadequate physical & mental condition. Other causes of accidents include environmental hazards, degradation of equipment through usage & unsafe procedures.

The belief that accidents can be prevented makes it imperative for us to study those factors which cause accidents. By studying such factors, the root causes of accidents can be isolated and necessary steps can be taken to prevent the recurrence of the accidents. These root causes of accidents can be grouped as “immediate” and “contributing”. The immediate causes are unsafe acts of person and unsafe working conditions. The factors result in an accident could be related to man physical and mental condition, machine & environment and management
related.However, an understanding of the “cause and effect” relation of the accident-causing factors is required before continuous improvement of safety processes can be undertaken. The factors include details of road surface information, weather and lighting conditions, tyre marks, accident-site diagrams, photographs, video footage,statements from witnesses, any evidence gathered at the scene. All of this information is then analysed by ouraccident investigators & experts, calculations of speed and distances travelled are made based on the laws of physics to piece together the events in a way that will make the accident easier to comprehend and the result is presented. 3D accident reconstruction creates a more immediate understanding of the accident scenario and a complete analysis report is provided along documentary evidence & information, prepared as accurately as possible.
Vehicular Accident Reconstruction IRSFM Investigators analyze events leading to an accident and diagnose possible root causes. Our scientific process helps to draw conclusions about the causes and events during a vehicle collision. We conduct in-depth collision analysis and reconstruction to identify the collision causation and contributing factors. Accident examination uses the laws of physics and engineering principles such as the conservation of linear momentum, work-energy methods, and kinematics. This forms the basis for these analysis and usage of software in developing recommendations and improving safety aspects.

Investigation Investigator visit scene of the accident for inspections and data recovery of all of the vehicles involved in the collision. Investigations involve collecting evidence such as scene photographs, video of the collision, measurements of the scene, eyewitness testimony, and legal depositions.
Additional factors include steering angles, brakes & ABS, lights & indicators, speed and acceleration, witness’s interview and physical evidence such as tyre marks are examined. The length of a skid mark enables to make an independent estimate of speed, road surface especially to see loss of traction and obstacles on road. Data from a VDR/VTS/GPS also provides valuable information such as speed of the vehicle a few seconds for a collision.

Analysis

Vehicular accident reconstruction analysis includes processing data collected, evaluating possible hypotheses and utilizing software simulations. Accident reconstruction software is used to recreate crash scenes to demonstrate what occurred in an accident. Types of software used by accident re-constructionists are CAD programs, vehicle specification databases, momentum and energy analysis, collision simulators, and photogrammetric software.
Presentation
Experts in the fields of physics, dynamics and engineering compile their findings in a report using diagrams. They form their expert testimony and conclusions. This is presented in the form of an animation of an accident sequence in a video format so that everyone can easily understand their opinions on crash. Our animations are reliable are based on physical evidence and calculations which embody the laws of physics.