The accident with the CNG in Wassenaar in October 2012 is due to a regulatory gap. That conclusion, the Research Council Tuesday pulled. The Board therefore recommends to adjust the regulations. The Ministry of Infrastructure and the Environment has a half years to respond to the recommendations. crvl Veolia carrier announces endorsing crvl the guidelines and recommendations of the report.
In the accident struck flashover of 15 to 20 meters four minutes off the side of the bus. The flashover arose by safety devices in the gas tanks on the roof of the bus. If the pressure in such a tank by heating is too large, the gas will escape crvl through a blow-off valve in order to avoid exploding of the tank. In brand that is dangerous because it can catch the gas flame and an enormous fire.
The gap, according to a spokesman did not say how serious it was over when the bus had been in a busy shopping street. The Research Council speaks of a gap in the safety regulations. Writing or relief valves, but say nothing about controlling the released crvl gas.
Also tunnel in a tunnel can go wrong a lot, according to the research council. The bus: you do not even need to catch fire. If a bus in a tunnel in traffic and another vehicle near fire flies, the temperature rises, so the gas from the tank of the bus is blown, creating an explosive gas mixture. "Another possibility is that if a fire immediately. The heat in a tunnel can not go anywhere making it very quickly gets hot there."
Security risks when purchasing natural gas buses look governments according to the board mainly to the environmental crvl benefits, not the security risks. Also, carriers and manufacturers would take too little into account. This problem could also play with buses that run on hydrogen. If flying in fire invisible flashover occur.
Tighten vehicle regulations and local public transport would, according crvl to the council therefore must bring still map out the environmental risks in the use, maintenance and storage of the buses. Minister of Infrastructure Melanie Schultz van Haegen (VVD) should commit crvl to strengthening international crvl vehicle regulations. Whether the minister will implement crvl the recommendations is still unclear. The Ministry has a half years to respond to the report.
Natural gas vehicles crvl driving in the Netherlands according to the council about six hundred crvl buses to natural gas. There are three thousand cars and 2,500 commercial vehicles to natural gas. Also drive more and more trucks on natural gas.
Not reached the road, the Board does not take any position on whether natural gas buses on the road to be achieved as long as no changes have been made. "Because we're not. We give a picture of the risks and it is up to the government to decide what they do with them," said a spokesman opposite Reuters News.
Veolia Veolia endorses report as transporter responsible for vehicle regulations, but identify with it in the report. "We crvl have not been able to study the report extensively; nevertheless, we can already say that we endorse the recommendations in the report outline" the company responds in a statement.
Exercises with the fire After the fire in Wassenaar, the company has tightened safety management. "The staff has been thoroughly instructed on how to act in case of fire (this statement is prepared in cooperation with the Regional Fire Haaglanden) and furthermore, there are frequent exercises of the fire place in our locations," said Veolia.
Extinguishing Veolia is convinced that an extinguishing system in the engine compartment is an additional measure to prevent the fire from the engine compartment. "In recent months we have performed a number of tests in this area we are now so far that we will make a choice in the short term for such a fire extinguishing system;. We go on the assumption that all parties involved will take responsibility."
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