safety in railway tunnels - ERA

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4.2.2.3. Electricity supplyThis specification applies to all tunnels of more than 1 km length.(a) The electricity power distribution system in the tunnel shall be suitable for emergency responseservices equipment in accordance with the emergency plan for the tunnel. (Some national emergencyresponse services groups may be self-sufficient in relation to power supply. In this case, the option ofnot providing power supply facilities for the use of such groups may be appropriate. Such a decision,however, must be described in the emergency plan.)4.2.2.4. Requirements for electrical cables in tunnelsThis specification applies to all tunnels of more than 1 km length.(a) In case of fire, exposed cables shall have the characteristics of low flammability, low fire spread, lowtoxicity and low smoke density. These requirements are fulfilled when the cables fulfil as a minimum therequirements of classification B2 CA , s1a, a1, as per Commission Decision 2006/751/EC 8 .4.2.2.5. Reliability of electrical installationsThis specification applies to all tunnels of more than 1 km length.(a) Electrical installations relevant for safety (Fire detection, emergency lighting, emergencycommunication and any other system identified by the Infrastructure Manager or contracting entity asvital to the safety of passengers in the tunnel) shall be protected against damage arising frommechanical impact, heat or fire.(b) The distribution system shall be designed to enable the system to tolerate unavoidable damage by(for example) energizing alternative links.(c) Autonomy and reliability: an alternative power supply shall be available for an appropriate period oftime after failure of the main power supply. The time required shall be consistent with the evacuationscenarios and reported in the Emergency Plan.4.2.3. Subsystem rolling stock(a) In the context of this TSI the subsystem rolling stock is subdivided into the following categories.(1) Category A passenger rolling stock (including passenger locomotives) for operation on lineswithin the scope of this TSI, where the distance between fire fighting points or the length oftunnels does not exceed 5km.(2) Category B passenger rolling stock (including passenger locomotives) for operation in alltunnels on the lines within the scope of this TSI, irrespective of the length of the tunnels.8 Commission Decision 2006/751/EC of 27 October 2006 amending Decision 2000/147/EC implementing CouncilDirective 89/106/EEC as regards the classification of the reaction-to-fire performance of construction products (OJL 305, 4.11.2006, p. 8–12).22
(3) Freight locomotives and self-propelling unit designed to carry other payload than passenger(mail, freight, etc.) for operation in all tunnels on the lines within the scope of this TSI,irrespective of the length of the tunnels. Locomotives designed to haul freight trains as well aspassenger trains falls under both categories and shall respect requirements of both categories.(4) Self-powered On-track machines when in transport mode for operation in all tunnels on thelines within the scope of this TSI, irrespective of the length of the tunnels.(b) This category shall be recorded in the technical file and it will remain valid regardless of futurerevisions of this TSI.4.2.3.1 Measures to prevent fireThis section is applicable to all categories of rolling stock.4.2.3.1.1 Material requirementsRequirements are set out in the LOC&PAS TSI clause 4.2.10.2.1. These requirements shall also apply tothe on-board CCS equipment.4.2.3.1.2 Specific measures for flammable liquidsRequirements are set out in the LOC&PAS TSI clause 4.2.10.2.2.4.2.3.1.3 Hot axle box detectionRequirements are set out in the LOC&PAS TSI clause 4.2.10.2.3.4.2.3.2 Measures to detect and control fire4.2.3.2.1 Portable fire extinguishersRequirements are set out in the LOC&PAS TSI clause 4.2.10.3.1.4.2.3.2.2 Fire detection systemsRequirements are set out in the LOC&PAS TSI clause 4.2.10.3.2.4.2.3.2.3 Automatic fire extinguishing system for freight diesel unitsRequirements are set out in the LOC&PAS TSI clause 4.2.10.3.3.4.2.3.2.4 Fire spreading protection measures for passenger rolling stockRequirements are set out in the LOC&PAS TSI clause 4.2.10.3.4.4.2.3.2.5 Fire spreading protection measures for freight locomotives and freight self-propellingunitsRequirements are set out in the LOC&PAS TSI clause 4.2.10.3.5.4.2.3.2.6. Fire protection for trains with passengers and freight or road vehiclesRequirements are set out in the LOC&PAS TSI clause 4.2.10.3.6.23
Page 1 and 2: INTEROPERABILITY UNITEUROPEAN UNION
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Page 10 and 11: (d) A major feature of railways is
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Page 25 and 26: Interface with the OPE subsystemSRT
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Page 31 and 32: (c) In case the analysis results in
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