Metropolis Subway Systen & Security Response
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The Metropolis Subway Transit Authority threat of a possible Japanese-style sarin gas attack on the subway system demonstrates the increasing threat of terrorism against transit systems. In an attack, people are vulnerable in stations, on trains and above ground. Should a chemical agent be released in a subway, it is likely to be carried out in the station, in a train car, or in the tunnel. The Metropolis Subway System is currently unprepared for chemical or biological releases. Early warning, rapid response, and a strategic systemic mitigation effort that collaborates with other health, law enforcement, and emergency response agencies are the best defense against chemical attacks and may save thousands of lives. According to the Center for Disease Control (CDC), ôEarly detection of and response to biological or chemical terrorism are crucial. Without special preparation at the local and state levels, a large-scale attack with...biological or chemical agents could overwhelm the local and perhaps national public health infrastructureö (Khan, Levitt and Sage, 2001, 4).Detection and rapid response are critical in saving lives and mitigating the impact of a chemical attack. Security systems that are systemic, multilayered and include communication and coordination strategies with other agencies are the most effective. As the Transportation Research Board (TRB) maintains, ôLayered security systems, characterized by an inte
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in Car Effect, Effect of Stopping Trains, Venting Versus Containment, Single Versus Multi-Track Tunnels. Train cars should be immobilized and have their ventilation and air conditioning systems shut down. Opening and closing of doors and electrical systems can spread the agent. Stopping trains immediately does not stop the spread of an agent. Train movement does not stop immediately and agents can continue to spread more than 300 feet. For this reason the additional time and movement of the spread of the agent must be considered in response plans. Multiple tracks require that each tunnel be separately assessed and air movement differences between tunnels factored into response plans. Stopping trains and turning off all ventilation systems will be automatic in any chemical incident.
There are other strategies that will serve as support for automatic response strategies. These strategies are cost effective as the current subway budget provides for such provisions. The technologies that will be used for support are as follows:
Portable barriers that are used to help prevent the spread of chemical agents into other areas of the subway system.
Methods for protecting station areas that include such technologies as water curtain
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Some common words found in the essay are:
Authority MSTA, Center OCC, Boyd Sullivan, Tunnels Train, Cleanup Recovery, Protection Actions, Policastro Gordon, Registry ATSDR, Transit Authority, Subway System, canopy hoods, metropolis subway, subway system, chemical agent, subway transit authority, air movement, edge doors, platform edge, chemical biological, et al 2003, stopping trains, policastro et al, security systems, metropolis subway transit, platform edge doors,
Approximate Word count = 1875
Approximate Pages = 8 (250 words per page)
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