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  Tunnel Safety Design Brazilian Standardization

  Incidents in road tunnels turned up lately to improve safety design and standardsworldwide. In Brazil, the ABNT (Brazilian Association to Technical Standards) is a private nonprofitable association that has joined ISO. ABNT BR Committee for Fire Protection (CB 24) hasstarted preparing standards on tunnel safety design in 2000. There are four standards published. Theydeal with fire protection safety, risk analysis, emergency communications and alarms, safetyinspections management and lighting. The first standard on tunnel safety was ABNT NBR15661:2009 which has been revised in 2012. This revision presented a guide of usage that makeseasy its use and new topics and parameters aligned to modern international standards. The paperpresents brief details of each tunnel safety standard published by ABNT and discusses the difficultiesfaced by the ABNT team in preparing Brazilian standards for tunnels.

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