A fixed firefighting system, which has not previously been used for fires intunnels, will be tested bySP Technical Research Instituteof Sweden. The system will be used in road tunnels in the Stockholm Bypass (Förbifart Stockholm), a project that will start in 2014.
Stockholm Bypass is a proposed new highway connection for E4 through western Stockholm. A large part of the road, about 50 km, will pass through a tunnel and it is very important that adequate protection against fire is in place. The number of passing vehicles is large: Forecasts show that up to 145,000 vehicles/day may pass through the Stockholm Bypass.
"The amount of vehicles makes the tunnel a congestion risk and so the danger of fire occurrence is greater," says Haukur Ingason, professor andtunnelfire expert at SP.
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