Category Archives: Derailment

CPC-1232, Crude By Rail, Derailment, Diluted bitumen (Dilbit), DOT-111, Evacuation, Explosion, Fire, Massive increase in crude-by-rail, Tar sands crude

INSURANCE JOURNAL: Derailed Train in West Virginia Had Safer Tank Cars

Repost from Insurance Journal

Derailed Train in West Virginia Had Safer Tank Cars

By John Raby and Jonathan Mattise | February 26, 2015 

The fiery derailment of a train carrying crude oil in West Virginia earlier this month is one of three in the past year involving tank cars that already meet a higher safety standard than what federal law requires – leading some to suggest even tougher requirements that industry representatives say would be costly.

Hundreds of families were evacuated and nearby water treatment plants were temporarily shut down after cars derailed from a train carrying 3 million gallons of North Dakota crude on Feb. 16, shooting fireballs into the sky, leaking oil into a Kanawha River tributary and burning down a house nearby. It was snowing at the time, but it is not yet clear if weather was a factor.

The train’s tanks were a newer model – the 1232 –designed during safety upgrades voluntarily adopted by the industry four years ago. The same model spilled oil and caught fire in Timmins, Ontario this month, and last year in Lynchburg, Virginia.

A series of ruptures and fires have prompted the administration of President Barack Obama to consider requiring upgrades such as thicker tanks, shields to prevent tankers from crumpling, rollover protections and electronic brakes that could make cars stop simultaneously, rather than slam into each other.

If approved, increased safety requirements now under White House review would phase out tens of thousands of older tank cars being used to carry highly flammable liquids.

“This accident is another reminder of the need to improve the safety of transporting hazardous materials by rail,” said Christopher Hart, acting chairman of the National Transportation Safety Board.

Oil industry officials had been opposed to further upgrading the 1232 cars because of costs. But late last year they changed their position and joined with the railway industry to support some upgrades, although they asked for time to make the improvements.

According to the Association of American Railroads, oil shipments by rail jumped from 9,500 carloads in 2008 to 500,000 in 2014, driven by a boom in the Bakken oil patch of North Dakota and Montana, where pipeline limitations force 70 percent of the crude to move by rail.

The downside: trains hauling Bakken-region oil have been involved in major accidents in Virginia, North Dakota, Oklahoma, Alabama and Canada, where 47 people were killed by an explosive derailment in 2013 in Lac-Megantic, Quebec.

Reports of leaks and other oil releases from tank cars are up as well, from 12 in 2008 to 186 last year, according to Department of Transportation records reviewed by The Associated Press.

Just two days before the West Virginia wreck, 29 cars of a 100-car Canadian National Railway train carrying diluted bitumen crude derailed in a remote area 50 miles south of Timmins, Ontario, spilling oil and catching fire. That train was headed from Alberta to Eastern Canada.

The train that derailed in West Virginia was bound for an oil shipping depot in Yorktown, Virginia, along the same route where three tanker cars plunged into the James River in Lynchburg, Virginia, prompting an evacuation last year.

The train derailed near unincorporated Mount Carbon just after passing through Montgomery, a town of 1,946, on a stretch where the rails wind past businesses and homes crowded between the water and the steep, tree-covered hills. All but two of the train’s 109 cars were tank cars, and 26 of them left the tracks.

Fire crews had little choice but to let the tanks burn themselves out. Each carried up to 30,000 gallons of crude.

One person – the owner of the destroyed home – was treated for smoke inhalation, but no other injuries were reported, according to the train company, CSX. The two-person crew, an engineer and conductor, managed to decouple the train’s engines from the wreck behind it and walk away unharmed.

The NTSB said its investigators will compare this wreck to others including Lynchburg and one near Casselton, N.D., when a Bakken crude train created a huge fireball that forced the evacuation of the farming town.

No cause has been determined, said CSX regional vice president Randy Cheetham. He said the tracks had been inspected just three days before the wreck.

“They’ll look at train handling, look at the track, look at the cars. But until they get in there and do their investigation, it’s unwise to do any type of speculation,” he said.

State officials do have some say over rail safety.

Railroads are required by federal order to tell state emergency officials where trains carrying Bakken crude are traveling. CSX and other railroads called this information proprietary, but more than 20 states rejected the industry’s argument, informing the public as well as first-responders about the crude moving through their communities.

West Virginia is among those keeping it secret. State officials responded to an AP Freedom of Information request by releasing documents redacted to remove nearly every detail.

There are no plans to reconsider after this latest derailment, said Melissa Cross, a program manager for the West Virginia Division of Homeland Security and Emergency Management.

___

Contributors include Joan Lowy in Washington, D.C.; Matthew Brown in Billings, Montana; and Pam Ramsey in Charleston, West Virginia. Mattise reported from Charleston.
CPC-1232, Crude By Rail, Derailment, Diluted bitumen (Dilbit), DOT-111, DOT-117, Fire, Flash point, Tar sands crude

RAILWAY AGE: Why tar sands train became a fireball – bitumen isn’t necessarily safer than Bakken

Repost from Railway Age
[Editor: Significant quote: “This blend of bitumen and petroleum-based diluents, known as “dilbit,” has a low flash point. Thus, the widespread belief that bitumen from Alberta’s northern oil sands is far safer to transport by rail than Bakken crude is, for all intents and purposes, dead wrong. This may be disruptive news for bitumen shippers, carriers, and regulators.”  – RS]

Why bitumen isn’t necessarily safer than Bakken

By  David Thomas, Contributing Editor, February 23, 2015 
Feb. 14, 2015 CN oil train derailment near Gogama, Ontario
Feb. 14, 2015 CN oil train derailment near Gogama, Ontario. CBC News/Dillon Daveikis

The chain reaction fireballs that attended the Feb. 16, 2015 derailment of a CSX unit oil train in populated West Virginia probably blinded observers to the significance of the concurrent derailment and explosions of a CN oil train in a remote and uninhabited area of northern Ontario. Most reports treated the two events as equals, given that both trains consisted of recently manufactured CPC-1232 tank cars loaded with crude oil.

CN’s Ontario conflagration is the more disturbing of the two mishaps: The railroad reported that its train was not carrying the extra-light Bakken crude that, in a series of high-energy derailments since 2013, has proved to be explosive. To the contrary, the CN train was laden with bitumen, the extra-heavy tarry substance extracted from Alberta’s oil sands. Bitumen, in its natural highly viscous form, is considered to be essentially inflammable by petrochemical experts and is rarely considered in safety evaluations of crude by rail.

So why did the bitumen ignite and explode in Ontario’s -40ºC (-40ºF) weather? The reason, based on research consulted by Railway Age, is that the diluent added to make bitumen flow into and out of tank cars makes the blended lading quite volatile.

This blend of bitumen and petroleum-based diluents, known as “dilbit,” has a low flash point. Thus, the widespread belief that bitumen from Alberta’s northern oil sands is far safer to transport by rail than Bakken crude is, for all intents and purposes, dead wrong. This may be disruptive news for bitumen shippers, carriers, and regulators.

The hope for Bakken crude is that it can be treated to remove benzene and other “light end” substances before loading, rendering it mildly flammable instead of highly explosive. The same is not true for dilbit, because the highly volatile diluents are added to the crude to make it less viscous. A safer procedure is to heat bitumen at origin before loading into a tank car and again at destination, prior to unloading. Some tank cars are equipped with internal steam coils for this purpose and are used in crude oil service, but a requirement for such heating elements is not included in the specifications proposed for a future DOT-117 tank car to replace both the DOT-111 and CPC-1232 cars now in CBR service.

According to “Properties of Dilbit and Conventional Crude Oils,” a February 2014 report by the Alberta Innovates consortium of industry, government, and university researchers, “[T]he flash point of fresh dilbit is initially lower than other oil types and is comparable to a diluent.” It says that dilbit will ignite upon exposure to an ignition source at -35ºC, compared to -9ºC for conventional light oil. The flash point of raw diluent is -35ºC or less. The flash point of undiluted bitumen is +151ºC, well above the +60ºC flammability threshold specified in current hazardous materials classification regulations.

The reason for the low flash point of dilbit is that ignitability is determined by a blend’s most volatile components, in this case, the diluent itself: “[T]he flash point is determined by the lowest-boil-point components (volatiles). Consequently, the flash point of the dilbit is governed by the 20%-30% volume diluent component . . . .”

The study defines flash point as “the temperature to which the fuel must be heated in order to produce an adequate fuel/air concentration to be ignited when exposed to an open flame. The flash point of the crude oil is used as an index of fire hazard in North America.”

Thus, flash point is the critical factor in determining whether a tank car breach will lead to its contents burning or exploding upon exposure to the pyrotechnics of a high-energy derailment.

Canada’s Transportation Safety Board can be expected to analyze the dilbit lading of CN’s Ontario accident, as it did the Bakken crude that exploded at Lac-Mégantic in 2013. TSB reported then that Bakken crude is more volatile than other varieties. Should TSB conclude that dilbit has a volatility similar to Bakken crude, as the Alberta research suggests, the hazmat classification of crude oil could be in question.

Commuter train, Derailment, Public transit, Rail accidents, Rail crossings, Train collission

Another derailment: Fifty hurt when Southern California commuter train slams into truck

Repost from Reuters
[Editor: Significant quote: “…in a move that may have helped avert a more catastrophic accident, the train used an emergency braking system moments before impact, and the rail cars had safety features that helped absorb the energy of the crash….”  It’s a good thing that safety improvements in commuter cars are well ahead of those for hazmat tank cars.  – RS]

Fifty hurt when Southern California commuter train slams into truck

By Michael Fleeman, OXNARD, Calif. Tue Feb 24, 2015 5:40pm EST
An aerial view shows the scene of a double-decker Metrolink train derailment in Oxnard, California February 24, 2015. REUTERS-Lucy Nicholson
An aerial view shows the scene of a double-decker Metrolink train derailment in Oxnard, California February 24, 2015. Credit: Reuters/Lucy Nicholson

(Reuters) – A Los Angeles-bound commuter train slammed into a produce truck apparently stuck on the tracks in a Southern California city before dawn on Tuesday, injuring 50 people in a fiery crash, some of them critically.

The truck driver, who was not hurt, left the scene of the destruction in Oxnard on foot and was found walking and disoriented one or two miles away, Assistant Police Chief Jason Benitez said.

Benitez said the 54-year-old driver from Arizona was not arrested but investigators were trying to determine if there was any criminal wrongdoing in the 5:45 a.m. PST (8:45 a.m EST) wreck, which overturned three double-decker Metrolink rail cars. Two others derailed but remained upright.

While no-one was killed, the force of the impact ripped the truck apart and left burned-out chunks and twisted wreckage still smoldering hours later.

Benitez said it appeared that the truck driver had taken a wrong turn in the pre-dawn darkness and ended up on the tracks, where the rig became stuck as the train approached at 79 miles per hour.

But in a move that may have helped avert a more catastrophic accident, the train used an emergency braking system moments before impact, and the rail cars had safety features that helped absorb the energy of the crash, Metrolink spokesman Jeff Lustgarten said.

“I think we can safely say that the technology worked. It definitely minimized the impact. It would have been a very serious collision, it would have been much worse without it,” Lustgarten said.

The crash came three weeks after a Metro-North commuter train struck a car at a crossing outside New York City and derailed in a fiery accident that killed six people.

TRAIN OPERATOR CRITICAL

Ventura County Emergency Medical Services administrator Steve Carroll said 50 people were hurt in the Oxnard incident, 28 of whom were transported to hospitals.

Among the most seriously injured was the train’s operator, who was in critical condition in the intensive care unit at Ventura County Medical Center, hospital spokeswoman Sheila Murphy said.

The operator, who has not been publicly identified, suffered extensive chest injuries affecting his heart and lungs but was able to communicate with doctors, Murphy said.

National Transportation Safety Board Member Robert Sumwalt said investigators would examine the train’s recorders and seek to determine if crossing arms and bells were functioning properly.

“We are concerned with grade crossing accidents. We intend to use this accident and others to learn from it so that we can keep it from happening again,” Sumwalt said.

The incident took place where the Metrolink tracks cross busy Rice Avenue in Oxnard, a street used by a steady stream of big rigs and farm trucks and lined with warehouses and farmland.

“It is a very dangerous crossing,” said Rafael Lemus, who works down the street from the crash site. “The lights come on too late before the trains come. It is not safe.”

A Ventura County Medical Center spokeswoman said the hospital had received nine victims, three of whom were listed in critical condition.

Los Robles Hospital & Medical Center received six patients with minor injuries such as back, leg or shoulder pain, said spokeswoman Kris Carraway. St. John’s Pleasant Valley Hospital in nearby Camarillo was treating two patients for minor injuries, a spokeswoman said.

The wreck triggered major delays to Metrolink lines across Ventura County, forcing commuters onto buses. Oxnard is an affluent coastal city of some 200,000 about 45 miles northwest of Los Angeles.

In 2008, a crowded Metrolink commuter train plowed into a Union Pacific locomotive in Chatsworth, California, killing 25 people and injuring 135 in an accident officials blamed on the commuter train engineer’s failure to stop at a red light.

In 2005 a Metrolink train struck a sport utility vehicle parked on the tracks in the Los Angeles suburb of Glendale, killing 11 people and injuring 180.

(Reporting by Michael Fleeman in Oxnard, Laila Kearney, Barbara Goldberg and James Dalgleish in New York, Rory Carroll in San Francisco, Eric Johnson in Seattle and Eric Kelsey and Dan Whitcomb in Los Angeles; Writing by Dan Whitcomb; Editing by Jeffrey Benkoe, Bill Trott and James Dalgleish)
Bakken Crude, Benicia CA, BNSF Railway, CPC-1232, Derailment, DOT-111, Earthjustice, Explosion, Fire, Tank car design, Tank car retrofit, Union Pacific Railroad, Valero Benicia Refinery, Valero Crude By Rail, Valero Energy Corporation, Western States Petroleum Association (WSPA)

KQED covers rail and oil industry “show and tell” in Sacramento

Repost from KQED Science, NPR

Railroads, Big Oil Move to Ease Fears Over Crude Shipments

By Daniel Potter, KQED Science | February 24, 2015
This CPC-1232 tank car represents an upgrade over an older models criticized for being easily punctured, but critics say there's still much to be desired. (Daniel Potter/KQED)
This CPC-1232 tank car represents an upgrade over an older models criticized for being easily punctured, but critics say there’s still much to be desired. (Daniel Potter/KQED)

Facing growing apprehension among Californians, railroads and oil companies are trying to allay fears over the dangers of hauling crude oil into the state.

Tensions have been heightened by a spate of derailments, as well as a recently unearthed government report with some sobering projections for the potential cost to life and property from such incidents in coming years. Federal regulators are weighing stricter rules governing everything from modernized braking systems to new speed limits.

In a rare move Tuesday in Sacramento, officials with California’s two major railroads, Union Pacific and BNSF, held a media briefing explaining safety measures ranging from computerized stability controls to special foam for choking out fires.

At the California State Railroad Museum, Pat Brady, a hazardous materials manager for BNSF, showed off a newer model tank car with half-inch thick “head shields” – metal plates extending halfway up on either end.  The car was also equipped with “skid protection,” Brady said, pointing to a nozzle underneath that’s designed to break away in a derailment, leaving the valve itself intact, to avert spills.

This tank car, the CPC-1232, is supposed to be safer and harder to puncture than the older DOT-111 version, but it’s facing skepticism after several exploded last week when a train hauling North Dakota crude through West Virginia derailed.

Using a simulator, Union Pacific's William Boyd demonstrates technology making sure train operators don't go too fast or end up on the wrong track. (Daniel Potter/KQED)

Industry officials at the Sacramento briefing were reluctant to comment about that incident, saying not all the facts are in yet, but several emphasized the importance of keeping trains from derailing to begin with, and claiming that more than 99.99 percent of such shipments arrive safely.

Both BNSF and Union Pacific said tracks used to haul crude through California undergo daily visual inspections, said Union Pacific spokesman Aaron Hunt, as well as a battery of high-tech tests.

“We’re using lasers to measure track gauge and track profile to keep trains on tracks,” he said, and also “pushing ultrasonic waves into our rail to detect potential cracks early.”

Hunt says in a typical month, Union Pacific brings in 1,000 to 1,200 cars loaded with oil, a tiny fraction of the company’s in-state freight. BNSF said its oil haul is even less: about two trains a month. But some predict such shipments could soar in the near future.

Also represented at the briefing was Valero Energy, which is hoping to start bringing two fifty-car oil trains a day to its refinery in Benicia.

“Valero as a company has acquired over five thousand rail cars,” said Chris Howe, a health and safety manager at Valero’s Benicia facility. “We’re able to get a number of them committed to our project, so we will likely be using Valero cars of these newer designs.”

The industry’s shift away from the DOT-111 model is “a useful step,” says Patti Goldman, managing attorney with Earthjustice, who adds that the newer cars are still “not nearly safe enough.”

“What you need to do to prevent catastrophes when trains do leave the tracks is have far better tank cars to be able to prevent the leaks and explosions in the first place,” says Goldman.

Earthjustice is in a legal fight pushing for stronger oversight and regulation. Goldman charges that it’s taking a long time to fully phase out older models because the industry is more focused on growing fleets rapidly.

“That’s just inexcusable,” she says. “We don’t think they’re allowed to do that. We think they need to get these hazardous tank cars off the rails before they start increasing the amount of crude oil that’s going to be shipped on the rails.”