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Accident Investigation Basics:

Accident Investigation Basics How to do a workplace accident investigation Developed by the Division of Occupational Safety & Health (DOSH) December, 2009

What you will learn :

What you will learn What is an accident or incident ? Why should you investigate both? How do you find the true cause ? How should you investigate? What should be the results of the investigation? What are you required to do for L & I - DOSH?

What Is An Accident?:

What Is An Accident? An unplanned, unwanted, but controllable event which disrupts the work process and causes injury to people. Most everyone would agree that an accident is unplanned and unwanted. The idea that an accident is controllable might be a new concept. An accident stops the normal course of events and causes property damage or personal injury, minor or serious, and occasionally results in a fatality.

PowerPoint Presentation:

What is an “Accident”? By dictionary definition: “an unforeseen event”, “chance”, “unexpected happening”, formerly “Act of God” Hazardous conditions Close calls Minor injuries Severe Injuries Fatalities From experience and analysis: they are “caused occurrences” Predictable - the logical outcome of hazards Preventable and avoidable - hazards do not have to exist. They are caused by things people do -- or fail to do .

What Is An Incident?:

What Is An Incident? An unplanned and unwanted event which disrupts the work process and has the potential of resulting in injury, harm, or damage to persons or property. An incident may disrupt the work process, but does not result in injury or damage. It should be looked as a “wake up call”. It can be thought of as the first of a series of events which could lead to a situation in which harm or damage does occur. Example of an incident: A 50 lb carton falls off the top shelf of a 12’ high rack and lands near a worker. This event is unplanned, unwanted, and has the potential for injury.

Accidents Don’t Just Happen:

Accidents Don’t Just Happen An accident is not “just one of those things”. Accidents are predictable and preventable events. They don’t have to happen. Most workplace injuries and illness are not due to “accidents”. More often than not it is a predictable or foreseeable eventuality. By “accidents” we mean events where employees are killed, maimed, injured, or become ill from exposure to toxic chemicals or microorganisms (TB, hepatitis, HIV) A systematic plan and follow through of investigating incidents or mishaps and altering behaviors can help stop a future accident. Let’s take the 50 lb carton falling 12 feet for the second time, only this time it hits a worker, causing injury. Predictable? Yes. Preventable? Yes. Investigating why the carton fell will usually lead to solution to prevent it from falling in the future.

“The Tip of the Iceberg”:

“The Tip of the Iceberg” Don’t investigate only accidents. Incidents should also be reported and investigated. They were in a sense, “aborted accidents”. Criteria for investigating an incident: What is reasonably the worst outcome, equipment damage, or injury to the worker? What might the severity of the worst outcome have been? If it would have resulted in significant property loss or a serious injury, then the incident should be investigated with the same thoroughness as an accident investigation. Accidents or injuries are the tip of the iceberg of hazards. Investigate incidents since they are potential “accidents in progress ”. Accidents Incidents

PowerPoint Presentation:

Lack of safety leadership Lack of supervision Lack of Training Missing guard Rules not enforced Poor work procedures Purchasing unsafe equipment No follow-up/feedback Poor safety management Poor safety leadership Didn’t follow procedures Poor housekeeping Horseplay Ignored safety rules Defective tools Don’t know how No MSDS’s The “Accident Weed” Hazardous Conditions Hazardous Practices Did not report hazard Equipment failure Root Causes

Root Cause Analysis:

Root Cause Analysis Direct Cause – Unplanned release of energy or hazardous materials Indirect Cause – Unsafe acts and/or unsafe conditions Root Cause – policies and decisions, personal factors, environmental factors Root cause analysis is a systematic technique that focuses on finding the real cause of a problem and dealing with that, rather than just dealing with its symptoms. A root cause is the cause that, if corrected, would prevent recurrence of this and similar occurrences. A root cause of a consequence is any basic underlying cause that was not in turn caused by more important underlying causes.

The Five Whys:

The Five Whys Basic Question - Keeping asking “What caused or allowed this condition/practice to occur?” until you get to root causes. The “five whys” is one of the simplest of the root cause analysis methods. It is a question-asking method used to explore the cause/effect relationships underlying a particular problem. Ultimately, the goal of applying the 5 Whys method is to determine a root cause of a defect or problem. The following example demonstrates the basic process: My car will not start . (the problem) 1) Why? - The battery is dead. (first why) 2) Why? - The alternator is not functioning. (second why) 3) Why? - The alternator belt has broken. (third why) 4) Why? - The alternator belt was well beyond its useful service life and has never been replaced. (fourth why) 5) Why? - I have not been maintaining my car according to the recommended service schedule. (fifth why and the root cause )

PowerPoint Presentation:

Simplicity . It is easy to use and requires no advanced mathematics or tools. Effectiveness . It truly helps to quickly separate symptoms from causes and identify the root case of a problem. Comprehensiveness . It aids in determining the relationships between various problem causes. Flexibility . It works well alone and when combined with other quality improvement and trouble shooting techniques. Engaging . By its very nature, it fosters and produces teamwork and teaming within and without the organization. Inexpensive . It is a guided, team focused exercise.  There are no additional costs. Often the answer to the one “why” uncovers another reason and generates another “why.”  It often takes “five whys” to arrive at the root-cause of the problem.  You will probably find that you ask more or less than “five whys” in practice. Benefit of Asking the Five Whys

Why Investigate?:

Why Investigate? Prevent future incidents (leading to accidents). Identify and eliminate hazards. Expose deficiencies in process and/or equipment. Reduce injury and worker compensation costs. Maintain worker morale. Meet DOSH rule requirement that you investigate serious accidents.

Investigate All Incidents and Accidents:

Investigate All Incidents and Accidents Conduct and document an investigation that answers: Who was present? What activities were occurring? What happened? Where and what time? Why did it happen? Root causes should be determined. Example: An employee gets cut. What is the cause? It is not just the saw or knife or the sharp nail. Was it a broken tool and no one reported? Did someone ignore a hazard because of lack of training, or a policy that discourages reporting? What are other examples of root causes? Enforcement failure, defective PPE, horseplay, no recognition plan, inadequate labeling.

Investigate All Incidents and Accidents:

Investigate All Incidents and Accidents Also answer: Is this a company or industry-recognized hazard? Has the company taken previous action to control this hazard? What are those actions? Is this a training issue? Link to sample accident investigation form

How To Investigate – Main Steps:

How To Investigate – Main Steps Develop a plan Assemble an investigation kit Investigate all incidents and accidents immediately Collect facts Interview witnesses Write a report

How To Investigate:

How To Investigate Develop a plan The next several slides will outline each component you need for effective accident investigation. Then we will look into each component in more detail. The time to develop your company’s accident investigation plan is before you have an incident or an accident. The who, when, where, what and how should be developed before the incident. accident investigation training, investigation tools and your policies and procedures should be developed before the incident or accident. One size will not fit all. Your company’s motor vehicle investigation reports will differ from your warehouse investigations, as will your off-site investigations.

Tips for Developing An Accident Investigation Plan:

Tips for Developing An Accident Investigation Plan Develop your action plan ahead of time. Your plan might include: Who to notify in the workplace? How to notify outside agencies? Who will conduct the internal investigation? Preplanning will help you address situations timely, reducing the chance for evidence to be lost and witnesses to forget. All procedures, forms, notifications, etc. need to be listed out as step-by-step procedures. You might wish to develop a flow chart to quickly show the major components of your program.

Tips for Developing a Plan (continued):

Tips for Developing a Plan (continued) What level of training is needed? Who receives report? Who decides what corrections will be taken and when? Who writes report and performs follow up? Some expansion questions on the above points are: Who will be trained to investigate? Who is responsible for the finished report and what is the time frame? Who receives copies of the report? Who determines which of the recommendations will be implemented? Who is responsible for implementing the recommendations? Who goes back and assures that fixes are in place? Who assures that fixes are effective?

What Should Be In The “Investigation Kit” :

What Should Be In The “Investigation Kit” Camera equipment First aid kit Tape recorder Gloves Tape measure Large envelopes High visibility tape Report forms Scissors Graph paper Scotch tape Sample containers with labels Personal protective equipment Items specific to your worksite

Begin Investigation Immediately:

Begin Investigation Immediately It’s crucial to collect evidence and interview witnesses as soon as possible because evidence will disappear and people will forget.

How Do You Start the Investigation?:

How Do You Start the Investigation? Notify individuals according to your “plan” You must involve an employee representative, the immediate supervisor, and other people with knowledge Grab your “investigation kit” Approach the scene

Actions At The Accident Scene:

Actions At The Accident Scene Check for danger Help the injured Secure the scene Identify and separate witnesses Gather the facts First, make sure you and others don’t become victims! Always check for still-present dangerous situations. Then, help the injured as necessary. Secure the scene and initiate chains of custody for physical evidence. Identify witnesses and physical evidence. Separate witnesses from one another If physical evidence is stabilized, then begin as quickly as possible with interviews.

Fact Finding:

Fact Finding Witnesses and physical evidence Employees/other witnesses Position of tools and equipment Equipment operation logs, charts, records Equipment identification numbers

Fact Finding:

Fact Finding Take notes on environmental conditions, air quality Take samples Note housekeeping and general working environment Note floor or working surface condition Take many pictures Draw the scene Some scenes are more delicate then others. If items of physical evidence are time sensitive address those first. If items of evidence are numerous then you may need additional assistance. Some scenes will return to normal very quickly. Are you prepared to be able to recreate the scene from your documentation? Consider creating a photo log. The log should describe the date, time, give a description of what is captured in the photo and directionality. Link to sketch of accident scene.

Interview Witnesses:

Interview Witnesses Interview promptly after the incident Choose a private place to talk Keep conversations informal Talk to witnesses as equals Ask open ended questions Listen. Don’t blame, just get facts Ask some questions you know the answers to Your method and outcome of interview should include: who is to be interviewed first, who is credible, who can corroborate information you know is accurate, how to ascertain the truth bases on a limitation of numbers of witnesses. Be respectful - are you the best person to conduct the interview? If the issue is highly technical, consider an internal or external specialist for assistance.

Write a Report:

Write a Report The report should include: - An accurate narrative of “what happened” - Clear description of unsafe act or condition - Recommended immediate corrective action - Recommended long-term corrective action - Recommended follow up to assure fix is in place - Recommended review to assure correction is effective.

Write The Report :

Write The Report How and why did the accident happen? A list of suspected causes and human actions Use information gathered from sketches, photographs, physical evidence, witness statements Remember that your report needs to be based on facts. All recommendations should be based on accurate documented findings of facts and all findings and recommendations should be from verifiable sources.

Write The Report :

Write The Report When and where did the accident happen? What was the sequence of events? Who was involved? What injuries occurred or what equipment was damaged? How were the employees injured? Answer the following in the report:

Conclusions of Report:

Conclusions of Report What should happen to prevent future accidents? What resources are needed? Who is responsible for making changes? Who will follow up and insure changes are implemented? What will be the future long-term procedures? If additional resources are needed during the implementation of recommendations, then provide options. Having a comprehensive plan in place will allow for the success of your investigation. Success of an investigation is the implementation of viable corrections and their ongoing use. The outcome of an investigation of the 50 lb. carton falling off the top shelf of the 12 ft. high rack might include correction of sloppy storage at several locations in the warehouse, moving unstable/heavy items to floor level, conducting refresher training for stockers on proper storage methods, and supervisors doing daily checks. Report conclusions should answer the following:

When Accidents Occur, What Is Required By L & I? :

When Accidents Occur, What Is Required By L & I? WAC 296-800-32005 – Report a death or hospitalization to L & I with specific information WAC 296-800-32010 – Do not move equipment WAC 296-800-32015 – Assign people to assist L & I investigators WAC 296-800-32020 – For all serious injuries, conduct a preliminary investigation There are four specific requirements: Link to these rules

Report A Death or Hospitalization:

Report A Death or Hospitalization Report the death, probable death, or the in-patient hospitalization of 1 or more employees within 8 hours to Labor and Industries at 1-800-4BE-SAFE WAC 296-800-32005 The required information that must be provided to L&I: 1- Name of the work place 2- Location of the incident 3- Time and date of the incident 4- Number of fatalities or hospitalized employees 5- Contact person 6- Phone number 7- Brief description of the incident

Do Not Move Equipment:

Do Not Move Equipment IF: A death or probable death happens or one or more employees are admitted to the hospital THEN: You must not move any equipment until L&I says you can UNLESS: You must move the equipment to remove victims or prevent further injury WAC 296-800-32010

Assign People to Assist L&I:

Assign People to Assist L&I The immediate supervisor of victim employees who witnessed the accident other employees L&I feels are necessary WAC 296-800-32015

Conduct a Preliminary Investigation:

Conduct a Preliminary Investigation WAC 296-800-32020 Evaluate facts relating to cause of accident by involving the following people: Person assigned by employer Immediate supervisor of injured employee Witnesses Employee representative Any other person who has the experience and skills (Required for all serious injuries) WAC 296-800-32025 Document your findings Link to Sample Accident Investigation form

Need further help? :

Need further help? Safety & health program review and worksite evaluation By employer invitation only Free Confidential No citations No penalties Letter explains findings Follow-up all serious hazards DOSH Consultation Services offers… For additional assistance, you can call one of our consultants. Click below for the local L & I office locations:

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