In early December, is due to arrive in the Port of Santos the first train which will make up the fleet of Line 4 – Yellow of the Sao Paulo’s Subway. Made in South Korea, it is coming by ship and belongs to ViaQuatro consortium, responsible for the maintenance and operation of those trains. It is also estimate that first testes with it still occur this year.
With 12.8 km long, Line 4 – Yellow will connect Luz Station to Vila Sonia. The start-up is schedule for March 2010, with the Paulista and Faria Lima stations opening. According to ViaQuatro, as soon as the train, still packed, arrives in the Port of Santos, it will come by truck to Sao Paulo. It will be six, each one transporting one car, which weights 40 tons. “We are creating a whole structure”, said the president of ViaQuatro, Luis Valencia.
Overall, Line 4 will have 14 trains in this first phase, which also provides s with the opening of the Butantã, Pinheiros and Luz stations. The car fleet will be in Vila Sonia courtyard, which also begins to make tests with the new train. Vila Sonia station is on its final phase of Line 4 and its schedule to open on 2014 World Cup.
Technology
Valencia promises that the Korean train is fully automated. “Our system is smart, safer and economical”. One of the differences is that on today’s compositions is that the Line 4 trains will not have drivers. Any shift will be made by the Operational Control Center (OCC) in the Vila Sonia courtyard. From there, technicians will operate speed and output range of the trains.
The headway for this Line should be 75 seconds, estimates ViaQuatro. According to Valencia, the trains will run at 40 km/h, reaching 80 km/h at average. The cars will also have gangway technology, which allows engers move through the cars because they will not have dividing doors.
The advantage of this system is the distribution of people on the train. They will walk to the sides and there is no limit, said Valencia, explaining that the movement will not create situations of very crowded cars. He promises two other actions that will bring comfort to engers: air conditioning and minimum noise during the displacement along the rail track.
Without shock
The trains will be moved to electrical energy, which will come from high voltage wires in the ceiling and not the soil, as in the existing network in Sao Paulo. The railroad was built so that in situations of evacuation, people can walk the trails without shock, said Valencia.
At the first sign of any problem, technicians can activate the two emergency doors. Each one is at one end of the train.
Valencia explains that the new trains for Line 4 are more efficient and economic. The train that does not lock, does not apply the brake out of hours and it reduces wear. The brake is regenerative. It is able to take advantage of the power braking and forward to another train that needs to accelerate.
Another safety measure is put glass doors on the platforms. It will only open when, stopped at the station, the train is also with the doors open. Future Sacoma station (Line 2-Green) is under construction and will be replaced by a glass barrier on the platform.
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