June 30, 2010

A little hydrogen can do a lot of damage!

A news article reports that an explosion caused by hydrogen gas in a University of Missouri biochemistry research lab on Monday injured four people and destroyed the laboratory.
"The explosion blew out the windows of the third-floor lab and breached the wall between the lab and an adjacent office. When fire fighters arrived on the scene, they found a small fire covering an area of about 5 square feet, Davison says. One sprinkler head was activated, but investigators aren't sure whether it activated from the fire or from the blast of the explosion. The source of the hydrogen gas was a standard 55-inch-tall steel gas cylinder, which did not explode".
Read the full article in this link

June 29, 2010

Gas blowing of pipelines - CSB's recommendations

In my earlier post, I was dead against the blowing of new pipelines with natural gas to clear debris as there is a potential for an explosion or fire to take place where the gas is vented. The CSB, after investigating the explosion in the Kleen energy power plant has made similar recommendations to OSHA and others. I am quoting from their report:
Promulgate regulations that address fuel gas safety for both construction and general industry. At a minimum:
a. Prohibit the release of flammable gas to the atmosphere for the purpose of cleaning fuel gas piping.
b. Prohibit flammable gas venting or purging indoors. Prohibit venting or purging outdoors where fuel gas may form a flammable atmosphere in the vicinity of workers and/or ignition sources.
c. Prohibit any work activity in areas where the concentration of flammable gas exceeds a fixed low percentage of the lower explosive limit (LEL) determined by appropriate combustible gas monitoring.
d. Require that companies develop flammable gas safety procedures and training that involves contractors, workers, and their representatives in decision-making.

Read the full report and recommendations in this link.

June 28, 2010

TWO DAY TRAINING ON PSM IN CHENNAI AUGUST 12th and 13th, 2010

I am pleased to announce a two day training session on Process Safety Management on August 12th and 13th,2010 at Chennai. The course is a highly practical one and the participants can implement what they have learnt. For further details please see this link
If you want the brochure and booking form to be sent to you, please contact me at bkprism@gmail.com
HURRY! SEATS FILLING UP FAST!

June 23, 2010

Heed the warnings!

An article in CBS News website indicates that the BP Gulf of Mexico incident was not a one off incident. There was another incident in another BP oil rig in 2003 where a similar incident occurred but the gas did not ignite!
"Shortly after lunch on November 27, 2003, Oberon Houston was in his office beneath the helideck of BP’s Forties Alpha oil platform in the North Sea, off the coast of Scotland. One of a select group (1 percent of BP’s staff) of young engineers and managers targeted by the company for rapid advancement, Houston, 34, was working out maintenance plans for the coming week when he heard what he thought was a deafening explosion.Only it wasn’t an explosion. A gas line had ruptured-allowing thousands of pounds of pressurized gas to escape at supersonic velocity. That caused a thunderous sonic boom. Debris from the burst pipe and its cladding rained down, adding to the impression that “an artillery shell had just hit the platform.” The escaping gas quickly formed a huge and potentially lethal cloud around the rig. Now the threat of an actual explosion was very real. The smallest spark would detonate more than a ton of methane gas.
No one died or was even hurt that day on Forties Alpha, thanks in part to high winds that helped to disperse the gas after about 20 minutes of extreme danger to the platform and its crew of 180 people. But Houston, the number two in command aboard Forties Alpha, knew full well what could have happened. “Unlike a similar incident on the ill-fated Piper Alpha platform,” he observes, referring to an earlier accident in the North Sea, “the gas did not ignite, so what could have been a major disaster for myself and everyone else on board was averted by sheer luck.”
Though Forties Alpha could have produced a similar conflagration, it was nothing more than a near miss which was soon forgotten. BP admitted breaking health and safety laws by failing to guard against corrosion on the ruptured pipe that allowed the gas to escape. It was fined $290,000. The bigger loss came in early 2004. Houston resigned, and BP lost one of its best young engineers."

Read the full article in this link

June 22, 2010

Bhopal Gas Disaster Verdict 7.6.10 - Will we ever learn?

The Bhopal Gas Disaster Court verdict on 7.6.10 highlights the following:
The following are major contributors to the disaster:
1. Gradual but sustained erosion of good maintenance practices.
2. Declining quality of technical training of plant personnel, especially its supervisory staff.
3. Depleting inventories of vital spares.
4. MIC is a highly dangerous and toxic poison, even then storage of huge quantity in large tanks was undesirable. The capacity and actual production in the Sevin Plant is not required such a huge quantity to be stored.
5. The VGS (vent gas scrubber)and refrigeration plant were not adequate to the need of hour and more so they were out of order at the relevant point of time.
6. The nitrogen pressure was not adequate for long before the incident, so it was not maintained and hardly cared about.
7. The Public Information System was failed, neither the State Govt. nor the UCC or UCIL took any steps to appraise the local public.
8. Other alarming systems were also failed.
Together these factors combined to cause the multiple failures that underlay the calamitous incident, causing a vast destruction of life.
In my various assignments of investigating incidents,some involving fatalities,one or more of the above similar causes keep repeating.Why do we NOT want to learn from mistakes? Its because of a human fallacy - the longer it gets, the more you forget about an incident!

Dangers of Toxic gas cylinders

A newspaper report today indicates that at least 35 people were taken ill when they inhaled chlorine. It appears that the chlorine leaked when someone tried to steal the brass valve! Read more of the article in this report.
In 2009, there was a leak of chlorine form corroded abandoned chlorine gas cylinders.A water purification machinery was abandoned and four chlorine cylinders containing 300 tonnes of chlorine were dumped outside. Over the years, they corroded and finally developed a leak which impacted the villages nearby. Read more of this incident in this link.
Take care of your gas cylinders whether they contain toxic gas or otherwise. They can be potential time bombs!

June 20, 2010

Could another Bhopal occur in India?

I wish I could confidently say NO to the question!Though the big players take precautions,it is the small and medium scale chemical industries that require a lot of improvement.There are approximately 1700 Maximum Accident Hazard (MAH) units in India and they are supposed to carry out mock drills twice a year. Mr Bhardwaj, Member, National Disaster Management Authority is quoted as follows in an article in the Economic Times:
Mr Bhardwaj of the Authority strongly believes that such major accident hazard (MAH) units must adhere to all norms including executing two mock drills in a year. In fact, during the last four years, only 130 mock exercises took place out of which 33 happened to be in chemical industries. “We are emphasising more on prevention of such incidents rather than reacting to those. Yet, we need to prepare for any eventuality. Our mock-drills are big learning lessons as they also involve district administration,” Mr Bhardwaj says.
Read the full article in this link

June 19, 2010

Bhopal and BP - I don't know!

On Thursday, BP's CEO Tony Hayward testified before the US Congress on the spill incident. His answers to the questions put forward by the congressmen reminded me of the answers Union Carbide personnel gave the then Police Chief soon after the gas leak.The police chief had asked what was gas had leaked and what was the antidote. The answers he got was "I don't know". In Thursday's hearing, the CEO of BP also has replied in a similar tone(I am quoting from the article) "I wasn't involved in any of that decision-making," he said.Were bad decisions made about the cement?"I wasn't part of the decision-making process," he said. "I'm not a cement engineer, I'm afraid."
Also, "I am not a drilling engineer" and "I'm not an oceanographic scientist."
What about those reports that BP had been experiencing a variety of problems and delays at the well?"I had no prior knowledge."
At one point a frustrated Rep. Henry Waxman, D-Calif., the chairman of the House Energy and Commerce Committee, interrupted the CEO. "You're kicking the can down the road and acting as if you had nothing to do with this company and nothing to do with the decisions. I find that irresponsible."
Hayward quietly insisted: "I'm not stonewalling. I simply was not involved in the decision-making process."
Rep. Eliot Engel, D-N.Y., voiced the committee's frustrations as the afternoon wore on. "You're really insulting our intelligence," he said. "I am thoroughly disgusted."
Waxman told the BP executive that in his committee's review of 30,000 items, there was "not a single e-mail or document that you paid even the slightest attention to the dangers at this well."

There is a lesson to learn from this - how robust are your risk communication systems so that the bad news reaches the top? Read the full article in this link

June 18, 2010

Emergency response - How ready are you?

An article mentions the following: BP PLC's 582-page regional spill plan for the Gulf, and its 52-page, site-specific plan for the Deepwater Horizon rig vastly understate the dangers posed by an uncontrolled leak and vastly overstate the company's preparedness to deal with one, according to an Associated Press analysis. The lengthy plans were approved by the federal government last year before BP drilled its ill-fated well.Among the glaring errors in the report: A professor is listed in BP's 2009 response plan for a Gulf of Mexico oil spill as a national wildlife expert. He died in 2005.
The plan lists cold-water marine mammals including walruses, sea otters, sea lions and seals as "sensitive biological resources." None of those animals live anywhere near the Gulf.Also, names and phone numbers of several Texas A&M University marine life specialists are wrong. So are the numbers for marine mammal stranding network offices in Louisiana and Florida, which are disconnected.

How ready are you in your emergency preparedness? In some of the plants that I visit,I have noticed the site managements lackadaisical attitude towards the emergency response plan. It would be a good practice if the CEO of the company just activates a drill of the emergency plan without informing anyone about it. The skeletons would then come tumbling out! Read the full article in this link

June 16, 2010

Whistleblower policy for PSM and other systems

Today,organisations get certified to the whole gamut of ISO certifications and the management is lulled into a sense of complacency. I have observed a marked decline in the quality of certification and surveillance audits by certification agencies in India. Except for a few, many of the certification agencies also provide consultancy and training services for helping the organization to obtain certification.Though many organisations have a whistleblower policy, I feel there must be a separate whistleblower policy for any system deviation. This way at least the top management will come to know of what is going wrong in their systems!

Operating Procedures – Can they prevent accidents?

An article on the legal implications of the recent Bhopal Gas verdict quotes from the operating manual of Union Carbide “UCIL’s “Operating Manual Part-I – Methyl Isocyanate Unit” (October 1978), which the prosecution produced as evidence before the trial court, warned as follows: “…[i]t must be foremost in everybody’s mind that there is a probability of injury or accident round the corner. But these can be avoided if all are safety conscious and follow safety procedures strictly. Safety is our prime need. All chemicals like MIC, phosgene, HCl, CO, chlorine, MMA, chloroform and caustic soda, etc., however hazardous they are, can be handled safely by knowing the correct procedure. There is a correct way of handling them and there is ‘No Short Cut’. Any carelessness in operation will endanger you, your colleagues and everybody around you” (page 122).”
Just by having written procedures does not mean they will be followed. It depends on top management commitment to make the procedures work. And this is no easy work – it requires monitoring by top management on a 24 X 7 basis. With top management being busy always, looking at strategy, cost reduction, expansions etc, I feel that the focus sometimes does get lost. Read the full article in this link.

June 12, 2010

Bhopal - Blame it on the system!

Yesterday in an NDTV program on the Bhopal disaster verdict, the one conclusion that came through is to blame it on the system! Who designs systems? Cannot the government strengthen the systems? It is a travesty of justice for the Bhopal Victims. In 2004, on the 20th anniversary of the Bhopal Disaster, I met (Late) Ms Carolyn Meritt, then Chairperson of the CSB, at IIT Kanpur. She asked me one question, which I could not answer. Why is the PSM system not mandatory in India where Bhopal occurred? I am still looking for answers. See this youtube video on the reaction of Sathinath Sarangi, a bhopal activist.