Alstom Grivita Depot is
'This new depot underscores
'This is the first modern depot to be built in
The six-car train Coradia Stream for ARF is continuing the very complex programme of mandatory testing - static and dynamic - in accordance with TSI regulations (Technical Specifications for Interoperability) set at European level and the National Notified Technical Rules (NNTR), before being able to circulate with passengers. All the functionalities and performances of the new type of train are to be confirmed through hundreds of verification tests, ranging from electrical and electronic systems, to braking and propulsion systems, railway dynamics for the train stability, all aspects of passenger comfort and many more[1]. Following the completion of these verification tests, an additional 60 final certification tests are necessary to validate train compliance and secure authorisation for passenger operations to commence.
To optimise the process,
Additional information on Testing and certification processes
The main functionalities and performances to be demonstrated according to applicable Technical Specification for Interoperability (TSI) and Notified National Technical Rules (NNTR): Electrical and electronic systems: This includes the testing of all components related to the operation of the train's electrical and electronic systems, such as signalling, communication, train control, fire detection and passenger access doors; Braking systems: This involves ensuring that the train's braking systems meet the prescribed standards for safety, efficiency, and performance under various conditions and over the complete train lifetime; Railway Dynamics: This involves ensuring that the train is able to maintain stability against risk of derailment in different type of track geometry and quality and under different loads; Propulsion systems: This testing determines the train's ability to accelerate, decelerate, and maintain speed under various conditions; Passenger comfort: This involves assessing the passenger experience, such as interior noise levels, ride comfort, temperature control, and other features that can impact the passenger's comfort; Crashworthiness and Structural Robustness: This evaluates the train's ability to support structural loads and the ability to resist impacts in the event of a collision and protect the passengers in the carriages; Environmental performance: This testing is done to ensure that the train complies with environmental regulations and includes a wide range of factors such as noise pollution, energy efficiency, electromagnetic compatibility, eco design; Train Driving Condition: This involves ensuring that driver's cabin and man-machine interfaces are safe, efficient and comfortable to ensure proper train driving; Overall, 10,000 km of final dynamic testing without passengers, on a commercial line, is considered an adequate amount to ensure that the train meets regulatory requirements and ensure that it is safe, durable, and reliable for passenger use. This final phase is designed to ensure that the train has undergone proper validation to meet the required standards for passenger service. Testing a train for such a high distance under various conditions at high speeds helps to identify any potential defects that could develop during the train's lifetime. Additionally, it helps to ensure that any components that may wear out over time, such as wheels, brakes, or suspension, have undergone a thorough testing process and have suitable replacement plans in place.
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