ERTMS/ETCS RAMS Requirements Specification Chapter 2 - RAM
ERTMS/ETCS RAMS Requirements Specification Chapter 2 - RAM
ERTMS/ETCS RAMS Requirements Specification Chapter 2 - RAM
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EEIG <strong>ERTMS</strong> Users Group® The maintenance cost of <strong>ERTMS</strong>/<strong>ETCS</strong> shall not exceed the 2% per year ofthe System acquisition Cost, for a duration of 30 years of the <strong>ERTMS</strong>/<strong>ETCS</strong>Lifecycle.2.2.2.4.2 Supply and Administrative DelayThe fulfilment of the constraints related to the maximum allowed delays onmaintenance actions, due to administrative causes, is responsibility of thenational regulatory authorities responsible for each specific application of<strong>ERTMS</strong>/<strong>ETCS</strong> in reason of the Level of Application chosen.The following constraints need to be guaranteed at least in the 90% of theoccurrences, for ensuring the effective fulfilment of the technical <strong>RAM</strong>requirements:1. The maximum amount of time necessary to inform a maintenance stafffor performing on-site maintenance action, cannot exceed the 5% of themaximum tolerable standstill time defined for the interested equipment. Thisrequirement is valid both if the advice to the maintenance staff is automaticallyproduced by the diagnostics and if it is given manually.2. The maximum amount of time necessary to reach the maintenance site cannotexceed the 30% of the maximum tolerable standstill time defined for theinterested equipment.2.2.2.4.3 Spare Parts AvailabilityThe Contractor shall guarantee the supplying of spare parts for all the <strong>ERTMS</strong>/<strong>ETCS</strong>equipment for the entire system Lifecycle duration agreed by the parts of the contract.The Contractor shall submit for approval a Parts Provisioning Plan to the Customer.The Parts Provisioning Plan shall detail, for each of the items identified by means of theSystem Analysis (see § 2.4.1.7.), the way by which the Contractor shall guarantee theavailability of Spare Parts in reason of the relevant MTBF.The constraints related to the availability of Spare Parts on stock shall be defined bythe national regulatory authorities responsible for each specific application of<strong>ERTMS</strong>/<strong>ETCS</strong> in reason of the Level of Application chosen.When a national railway will accept <strong>ERTMS</strong>/<strong>ETCS</strong> equipped foreign vehicles on its<strong>ERTMS</strong>/<strong>ETCS</strong> equipped lines, it shall ensure, jointly with the train operator, that spareDoc. Ref.: 02s1266- page 30/83
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