Dear Seniors, Pls. tell me how accidents/incidents are classified. Pls. explain it elaborately. Thanks, SSM
From India, Madras

Dear SSM

There are a lot classification exists. We are using the following.

Lost workday cases (LWC) If an employee is unable to work on a subsequent scheduled shift because of a work related injury or illness‚ the case is classified as an LWC. The shift on which the case occurred is not counted as a lost workday.

Restricted workday cases (RWC) An RWC is a case in which a work-related injury or illness prevents the employee from working a complete shift (or from doing any tasks that are part of his or her regularly scheduled job that may be performed or assigned) but which does not result in lost workdays.

Medical treatment cases (MTC) An MTC is a work-related case for which medical treatment is indicated but that does not result in lost work or work restrictions

First-aid cases (FAC)
A minor injury that calls for only simple treatment and does not call for follow-up treatment by a health-care professional is an FAC. A case can be classified as an FAC even if a health-care professional administers the first aid.

Near Miss Case (NMC) An event that could have resulted injury/fatal is a near miss case

From India

Dear Raghu

What more details you are looking for... As I mentioned earlier a lot other terms been using in this account...

As per factories act the terms used as follows:


Any event which differs from normal conditions (deviation) and which could have caused injury (ies) are called Near Miss.

Dangerous Occurrence:

Any occurrence which has not resulted in any bodily injury to any person

Bursting of plant under pressure

Collapse or failure of crane, derrick, winch or other appliance used for raising or lowering persons or goods

Explosion, fire bursting out, leakage or escape of any molten metal, or hot liquid or gas.

Explosion of receiver or container used for storage at a pressure greater than atmospheric pressure.

Collapse of any floor, gallery, roof bridge, tunnel, chimney, wall or any other structure.

Leakage incidence of any toxic gas or other hazardous substances

First Aid Accident:

Any work-related accident but with no loss of time, when the victim returns the same day after receiving a medical aid on site.

Non Reportable Accident:

Any work-related accident causing the absence for less than 48 hours, before the victim is able to return to normal or restricted work.

Reportable Accident:

Any work-related accident causing the absence of more than 48 hours, before the victim is able to return to normal or restricted work.

Fatal Accident:

Any work related accident causing death

Internationally the following terms also been used...

Lost Time Injury (LTI) = is a work-related injury or illness that results an individual is unable to work on a subsequent scheduled work day or shift.

Non-LTI = Non-lost time injury: any injury that requires medical attention (including first aid), but is not an LTI.

Awaiting to hear your comments...

From India
Dear dipil,

I am looking this thread on another point of view. . . I expect like this type of answer from our members. . .Anyway thanks for quick responce. . .

Accident classification is a standardized method by which the causes of an accident, including the root causes, are grouped into categories. Accident classification is mainly used in aviation but can be expanded into other areas, such as railroad or health care. While accident reports are very detailed, the goal of accident classification is to look at a broader picture. By analysing a multitude of accidents and applying the same standardized classification scheme, patterns in how accidents develop can be detected and correlations can be built. The advantage of a standardized accident classification is that statistical methods can be used to gain more insight into accident causation.

A good accident classification system

is easy to apply, ideally it is intuitive to use,

covers as many aspects as possible: human performance, organisational issues, technological issues, threat and error management,

enables the safety experts to recreate the sequence of causal factors and how they correlate with each other.

From United States, Fpo
Dear Mr.Dipil, The major accidents covered in LWC as per the definitions given by you or to be separately maintained? Pls. explain. SSM
From India, Madras

Dear SSM
LWC will cover all the major accidents except Fatal... May be this confusion arise as I missed out to include th Fatal in the first reply...
You can use the following:

From India

Dear Raghu
We were particularly discussing about the types of incident in this thread... Thats why I replied in that manner... When comes to causes, there are many...
Say behind any incident there might be three causes:
1. Physical Factor
2. Human Factor
3. System Factor
Also we can use the data of classification of the contributory causes to identify the areas of improvement and attacking the root to kill to avoid recurrance of such event...
Anyone got anything specific on this topic come forward, or else let's close this thread Raghu?

From India

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