For more information see:
Monday Accident & Lessons Learned: Incident Report from the UK Rail Accident Investigation Branch: Tram running with doors open on London Tramlink, CroydonPosted: April 7th, 2014 in Accidents, Current Events, Human Performance, Investigations, Pictures
There were eight recommendations made by the UK RAIB. here’s a summary of the investigation:
On Saturday 13 April 2013 between 17:33 and 17:38 hrs, a tram travelling from West Croydon to Beckenham Junction, on the London Tramlink system, departed from Lebanon Road and Sandilands tram stops with all of its doors open on the left-hand side. Some of the doors closed automatically during the journey, but one set of doors remained open throughout the incident. The incident ended when a controller monitoring the tram on CCTV noticed that it had departed from Sandilands withits doors open, and arranged for the tram to be stopped. Although there were no casualties, there was potential for serious injury.
The tram was able to move with its doors open because a fault override switch, which disables safety systems such as the door-traction interlock, had been inadvertently operated by the driver while trying to resolve a fault with the tram. The driver didnot close and check the doors before departing from Lebanon Road and Sandilands partly because he was distracted from dealing with the fault, and partly because he did not believe that the tram could be moved with any of its doors open. The design of controls and displays in the driving cab contributed to the driver’s inadvertent operation of the fault override switch. Furthermore, breakdowns in communication between the driver and the passengers, and between the driver and the controller, meant that neither the driver nor the controller were aware of the problem until after the tram left Sandilands.
The RAIB has made eight recommendations. Four of these are to Tram Operations Ltd, aimed at improving the design of tram controls and displays, as well astraining of staff on, and processes for, fault handling and communications. Two recommendations have been made to London Tramlink, one (in consultation with Tram Operations Ltd) relating to improving cab displays and labelling and one on enhancing the quality of the radio system on the network. One recommendation is made to all UK tram operators concerning the accidental operation of safety override switches. The remaining recommendation is to the Office of Rail Regulation regarding the provision of guidance on ergonomics principles for cab interface design.
For the complete report, see:
Was it Taxes, Bad Decicions, or a “Complex Chain of Events” that caused the grounding of the drilling rig Kulluk near Kodiak Island?Posted: April 4th, 2014 in Accidents, Current Events, Investigations
Alaska winters are notorious. And the seas in the Gulf of Alaska are particularly bad in mid-winter. The Houston Chronicle reported that Rear Admiral Thomas Ostebo said, “the most significant factor was the decision to attempt the voyage during the winter in the unique and challenging operating environment of Alaska.”
Interestingly, Shell may have been encouraged to move the rig because if they didn’t, they might have to pay the state of Alaska a multi-million dollar tax bill.
See the whole story at:
(Photo of remains from cockpit fire of an Egypt Air 777 while parked at a gate in Cairo)
One of our TapRooT® Users sent the attached PDF of a SnapCharT® for the loss of Malaysia Air MH 370.
Have a look. See what you think. Then leave comments here…
“General Motors issued a new recall of 1.5 million vehicles Monday, part of an effort to assure buyers that it’s moving faster to fix safety defects in its cars and trucks.
In a video message to employees posted Monday, CEO Mary Barra said the new recall resulted from a push to review potential safety issues and resolve them more quickly.
It’s part of the fallout from the recall last month of more than 1.6 million small cars for defective engine switches. The defect is linked to 12 deaths, and GM is facing multiple investigations into how it handled the recall. GM first began investigating the switches in 2004.
“Something went wrong with our process in this instance, and terrible things happened,” Barra said.
Read the full article here:
“It’s been said that history repeats itself. It’s doubtful that the author of that saying had oil spills in mind at the time – and even less likely the Exxon Valdez oil spill. Still, the irony of this weekend’s collision and spill near Galveston Bay, Texas on the eve of the 25th anniversary of the 1989 Exxon spill has been hard to ignore.
Approximately 168,000 gallons of crude oil has been leaking into the Houston Ship Channel and Galveston Bay since Saturday — when a barge being pulled by a towboat collided with a cargo ship in the channel off the coast of Texas City, Texas.”
Click here for the full story:
OH&S Occupational Health and Safety Online reports:
“The National Transportation Safety Board listed two related factors as the probable causes of the natural gas pipeline rupture on Dec. 11, 2012, in Sissonville, W.Va. NTSB posted its accident report in the case March 10 and included in it one recommendation to the federal Pipeline and Hazardous Materials Safety Administration and three recommendations to Columbia Gas Transmission Corporation, which owns and operates the pipeline.”
See the rest of the article here:
NTSB Finds Undetected Corrosion in Sissonville Pipeline Failure http://ohsonline.com/articles/2014/03/11/ntsb-finds-undetected-corrosion-in-sissonville-pipeline-failure.aspx?admgarea=news
View NTSB’s full accident report here:
Pipeline Accident Report Enbridge Incorporated Hazardous Liquid Pipeline Rupture and Release https://www.ntsb.gov/investigations/summary/PAR1201.html
Do you think the NTSB conducted a thorough investigation? Do their corrective actions put the proper safeguards in place?
Share your opinions in the comments below: Photo courtesy of OHSonline.com
In 2011 four miners died in a flooding accident at the Gleision drift mine in Wales, UK.
See the BBC story at:
And a story in the South Wales Evening Post at:
This news was in the CSB’s 2015 budget request. It said:
“Deepwater Horizon – The CSB’s investigation into the Deepwater Horizon/Macondo accident of April 2010 continues, and the CSB has achieved significant legal victories during FY 2013. In April 2013 a federal judge in Houston upheld the CSB’s jurisdiction to conduct the investigation, and overruled the rig operator Transocean in its effort to block the release of information to the CSB. On July 23, 2013, the United States Court of Appeals for the Fifth Circuit in New Orleans, Louisiana, ruled in favor of the CSB and refused to stay the lower court’s decision. As a result of this ruling, the CSB has gained access to vital documents and information subpoenaed throughout the course of the agency’s investigation. Access to these documents will allow the CSB to evaluate factors that no other agency has investigated in detail, such as the role of human and organizational factors in this catastrophic accident.
The CSB’s investigation findings will be published in three separate volumes. The first two volumes are scheduled to be released in the spring of 2014, and the third volume will be released in the summer of 2014.”
A three volume report … Keep your Summer reading schedule open.
Maybe it’s time for you to join the 2330 members of the TapRooT® Root Cause Analysis Users & Friends Group on LinkedIn. It’s a great place to network with other TapRooT® Users, ask questions, anmd keep up with the latest TapRooT® Information.
You can set your group profile to receive an e-mail every time something is posted, daily, weekly, or never.
If you are a LinkedIn member, click on the link below to see the group:
Before the news broke, the Malaysia Airlines Flight 370 seemed to have disappeared without a trace. As I watched coverage of the mysterious “accident,” I thought that people might be interested in how one would investigate the disappearance and others like this where the facts are few and far between. Below, I set out how to do that using TapRooT®.
First, all TapRooT® Users know you start with a SnapCharT®.
The first problem you encounter with this incident is … what goes in the circle?
The circle on the SnapCharT® is the incident – usually the worst thing that happened. But in this case we don’t know what happened.
Should the circle be losing contact with the jet?
Perhaps. At least until we find out more about what happened.
Next, we lay out the sequence of events. Some of the events are pretty easy to detail. The flight seemed pretty routine to start with. But then things start to diverge from a normal fight sequence. Tracking equipment is turned off (not lost instantaneously as one would expect if there was a massive mechanical failure or explosion), and the plane then seems to have changed course and descended. As of now, changing course and descending are dotted boxes (assumptions) since we aren’t sure of these “facts”.
This is where the SnapCharT® gets even more difficult to draw. New information seems to be available every day from different sources. One would add this information to the chart using dotted boxes and ovals (events and conditions) keeping track of the source for each piece of information. One would then try to find more evidence to either confirm or eliminate each of these new pieces of information and redirect the investigation to find more information.
The SnapCharT® would become the main source of information and help direct the investigation by suggesting where investigators should focus their attention to help narrow down the seemingly large number of possibilities for “What happened?”
Note that at this point we are nowhere near identifying the “accidents” root causes. Until you have a fairly complete sequence of events, you aren’t ready to identify causal factors and start finding root causes.
I hope this give you some ideas the next time you start an investigation of a mysterious accident. And I hope, for the sake of all those involved and their loved ones, this investigation finds the true root causes of the flight’s disappearance so they can feel some sense closure.
Please leave your comments below.
One worker was killed and two were injured aboard a nuclear submarine under construction in India.
Was it some high tech nuclear accident? No. I was a simple pressure test of a hydraulic tank.
This accident once again shows that failure to control simple energy is often the cause of fatalities.
See the whole story here: http://www.dawn.com/news/1091836/accident-at-indian-nuclear-submarine-centre-kills-one-worker
Could this accident have been prevented? Yes. How? Find out at the Proactive Use of TapRooT® Course being held on April 7-8.
Another Milestone After BP Deepwater Horizon Accident – BP Reaches Administrative Agreement with EPA Resolving Suspension & DebarmentPosted: March 17th, 2014 in Accidents, Current Events
It took almost three years for BP to be allowed to enter into new contracts with the federal government allowing the company to bid for new deepwater leases in the Gulf of Mexico. See the details of the story at:
A gas leak is reported to have caused an explosion resulting in the collapse of two buildings with at least two deaths. Here are some links for more info:
News & Current Events: In the Wake of Fukushima, The Natural Resources Defense Council’s Newest Report Condemns the NRC’s Hydrogen Generation SafetyPosted: March 12th, 2014 in Current Events, Root Cause Analysis Tips, Root Causes
From the Natural Resources Defense Council’s Report Preventing Hydrogen Explosions In Severe Nuclear Accidents: Unresolved Safety Issues Involving Hydrogen Generation And Mitigation
“The Nuclear Regulatory Commission is failing to meet the statutory standard of “adequate protection” of the public against the hazard of hydrogen explosions in a severe reactor accident.
After Fukushima Daiichi’s three devastating hydrogen explosions, the NRC decided to relegate investigating severe accident hydrogen safety issues to the lowest-priority and least proactive stage of its post–Fukushima Daiichi accident response.
NRDC believes that the NRC should reconsider its approach and promptly address severe accident safety issues involving hydrogen.”
Click this link to read the full report: http://www.nrdc.org/nuclear/hydrogen-generation-safety.asp
A short synopsis of the findings:
NRDC Report: U.S. Nuclear Safety Regulators Ignore Severe Accident Hydrogen Explosion Risks Despite Fukushima Tragedy
An in-depth interpretation of the findings:
US Nuclear Safety Regulators Continue to Ignore Lessons of Fukushima for Severe Accident Hydrogen Explosion Risk at US Reactors
What do you think? Share your opinion in the comments.
Fukushima Photo courtesy of: http://www.globalresearch.ca/articlePictures/fukushimafire.bmp
Natural disaster? Mechanical malfunction? Or something more insidious? While we still have few answers to our questions about the loss of Malaysia Airlines flight MH370, the investigation continues. It would be very difficult to make a SnapCharT® of events, because we have very little information regarding the incident. The evidence included a salvaged airplane door, two stolen passports, and an ocean oil slick that would be consistent with the potential location and type of incident.
In the face of this grievous incident, the world wants answers. Read the following articles for more details on the investigation, and let us know: Do you think it’s a good idea to do what the author of The Star article does by making guesses as to the root cause of the incident? At what point does one have enough facts to conduct an adequate investigation? Is “pilot fault” a valid root cause?
The New York Times: Search for Jet Compounds the Mystery
The Star: Missing MH370: 5 theories on what could have happened to MH370
Graphic courtesy of The Star.
Monday Accident & Lessons Learned: UK RAIB reports on fatal accident at Athelney level crossing, near Taunton, Somerset on 21 March 2013Posted: March 10th, 2014 in Accidents, Current Events, Investigations, Pictures
The following this the summary of the accident report from the UK Rail Accident Investigation Brach about a fatal accident at a level crossing in the UK. The full report includes four recommendations to improve level crossing safety. See the full report at: http://www.raib.gov.uk/cms_resources.cfm?file=/140224_R042014_Athelney.pdf
At about 06:23 hrs on Thursday 21 March 2013, a car drove around the barriers of Athelney automatic half barrier crossing, near Taunton in Somerset. This took the car into the path of a train which was approaching the crossing at high speed. The driver of the car was killed in the resulting collision.
The motorist drove around the barriers without waiting for a train to pass and the barriers to re-open. The level crossing was closed to road traffic for longer than normal before the arrival of the train, because of earlier engineering work that had affected the automatic operation of the crossing. The motorist may have believed that the crossing had failed with the barriers in the closed position, or that the approaching train had been delayed.
He did not contact the signaller by telephone before he drove around the barriers.The RAIB has made two recommendations to Network Rail. These relate to reducing the risk resulting from extended operating times of automatic level crossings andto modifying the location of the pedestrian stop lines at Athelney level crossing. A further recommendation is addressed to Network Rail in conjunction with RSSB,to consider means of improving the presentation of telephones at automatic level crossings for non-emergency use. One recommendation is addressed to the Office of Rail Regulation, to incorporate any resulting improvements which are reasonably practicable into the guidance it publishes on level crossings.
Press Release by the UK Rail Accident Investigation Branch: Passenger dragged a short distance by a train at Holborn stationPosted: March 8th, 2014 in Accidents, Current Events, Investigations, Pictures
Image showing a train in the westbound Piccadilly Line platform at Holborn station
The RAIB is investigating an incident in which a passenger was dragged for a short distance by a train departing from Holborn station on the London Underground system.
The incident occurred on the westbound Piccadilly Line platform at around 19:00 hrs on Monday 3 February 2014. The train had stopped normally in the platform and passengers had alighted and boarded. A member of staff on the platform (station assistant) signalled to the Train Operator to close the doors by raising a baton above his head. The Train Operator observed the raised baton and started to close the train’s doors. At this point a passenger arrived on the platform and moved towards the train, stopping as she realised that the doors were closing. As she stopped, the end of the scarf that she was wearing continued to swing towards the train and became trapped between the closing doors.
The Train Operator was unaware that the scarf was trapped in the door and after confirming that all doors were closed, started to move the train into the tunnel. The passenger was dragged along the platform by her scarf as the train started to move. The station assistant tried to help the passenger by holding on to her and they both fell to the ground. This resulted in the scarf being forcibly removed from the passenger’s neck and carried into the tunnel by the train.
The passenger suffered injuries to her neck and back and was taken to hospital; she is now recovering. The RAIB’s investigation will seek to understand the sequence of events and will examine the arrangements in place for safe despatch of trains from London Underground stations where station assistants are provided on the platform.
The RAIB’s investigation is independent of any investigation by the Office of Rail Regulation. The RAIB will publish its findings at the conclusion of the investigation. This report will be available on the RAIB website.
A 45-year-old food company worker lost part of two fingers that were caught in a rotating drum. The HSE inspector stated that if the machine was properly guarded, the accident wouldn’t have happened. In addition to fines, the company was also banned from using the machine until it was sufficiently guarded. (Read full story on Brent & Kilburn Times.)
An industrial worker in the UK who was cutting posts narrowly escaped death when he couldn’t disable a machine he was trapped in as he was pulled toward a band-saw. Although he lost his arm in the accident, he is grateful to be be able to tell his story. (Read story on thewestcountry.co.uk.)
Would you like help reducing serious injuries at your facility? Mark Paradies has an upcoming 2-day Pre-Summit course with important ideas to revolutionize your fatality/major accident prevention programs and start you down the road to eliminating major accidents.
Monday Accident & Lessons Learned: Penetration and obstruction of a tunnel between Old Street and Essex Road stations, LondonPosted: February 24th, 2014 in Accidents, Current Events, Investigations, Pictures
The UK Rail Accident Investigation Branch investigated the penetration and obstruction of a tunnel between Old Street and Essex Road stations in London. Here is a summary of the report:
“During the morning of Friday 8 March 2013, a train driver reported that flood water was flowing from the roof of a railway tunnel north of Old Street station near central London. The driver of an out-of-service passenger train was asked to examine the tunnel at low speed and check for damage. The driver stopped short of the water flow and reported that two large drills (augers) had come through the tunnel wall and were fouling the line ahead of his train.
The augers were being used for boring piles from a construction site about 13 metres above the top of the tunnel. The operators of the piling rig involved were unaware that they were working above an operational railway tunnel. Its position was not shownon the site plan, or on any map available to either the developer or the local planning authority. As a consequence, Network Rail was not consulted during the planning application stage and was unaware of the construction activity.
The RAIB has determined that approximately half of the piles required for the new development would have intersected with the tunnel had they had been constructed. It has identified two learning points from this incident which are relevant to the construction industry: clients and design teams should be aware of the importance of information shown on land ownership records; and those carrying out investigations for proposed developments should be aware that not all railway tunnels are shown on Ordnance Survey mapping.
The RAIB has also made five recommendations: three are addressed to railway infrastructure managers, and relate to: the provision of information to organisations undertaking property-related searches; the provision of information on the location of railway tunnels and associated subterranean structures; and the identificationof development work by third parties. One recommendation is made to the British Standards Institution relating to the enhancement of a British Standard, and one recommendation is addressed to the Department for Communities and Local Government relating to a recommendation made by the RAIB in 2007 which has not been implemented.”
To see the complete report, visit:
If you are planning to be at Interphex in New York in March, please stop by the TapRooT® booth and say hello. Chris Vallee and I will both be there.
If you are attending the conference, I hope you will also attend my talk, “the seven secrets of root cause analysis” on March 19 at 4:00 PM.
If you have not registered for the conference, you can register as our guest with our compliments for access to the exhibit hall. To take advantage of this opportunity, just go here:
Press Release from the UK Rail Accident Investigation Branch: Fatal accident involving a track worker, near Newark Northgate station, 22 January 2014Posted: February 10th, 2014 in Accidents, Current Events, Investigations
RAIB is investigating an accident involving a track worker who was carrying out lookout duties near Newark Northgate station. The accident occurred at about 11:40 hrs on 22 January 2014. The track worker was struck by a passenger train and suffered fatal injuries.
The track worker was part of a gang of three engaged in the inspection of two sets of points to the south of the station. The train, a passenger service from King’s Cross, was approaching from the south at around 26 mph (42 km/h) and was heading into platform 3 as scheduled.
RAIB’s investigation will consider the sequence of events and factors that may have led to the accident, and identify any safety lessons.
RAIB’s investigation is independent of any investigations by the safety authority or the police. RAIB will publish its findings at the conclusion of the investigation. This report will be available on the RAIB website.
While working underwater to attach tanks to re-float the Costa Concordia, a Spanish diver severely cut his leg on a steel sheet and was temporarily pinned beneath the water. Another diver freed the man and brought him to the surface, but he died later.
See the whole story here: