New North-South Expressway viaduct to be terror-proof
27 Sep 2013|10,597 views
An elevated section of the upcoming North-South Expressway (NSE) will be the first land transport infrastructure here to be made terrorist-proof. The viaduct will go over the Republic of Singapore Air Force (RSAF)'s Chong Pang Camp, home to the Air Defence Systems Division - armed with anti-aircraft guns and missiles.
The Land Transport Authority (LTA) has invited consultants to come up with design solutions to neutralise bomb threats from the section - part of an 8.8km viaduct, the longest in Singapore - that will go over the North-eastern corner of the camp. These could be from explosives on board vehicles, or explosives planted on parts of the viaduct.
The LTA said that it could not avoid going above the camp, as all the other options were either not feasible or too costly. It added that the cost of the security measures had already been factored into the construction budget.
According to tender documents obtained by The Straits Times, the design must take into account risks arising from the detonation of up to 500kg of explosives. Risks from fragments and flying debris from such a blast must also be considered.
Observers said that to mitigate such risks, the section over - as well as the stretches just before and after - Chong Pang Camp is likely to be enclosed. The construction could be similar to elevated tunnels that other cities build to reduce traffic noise on viaducts - only much stronger. Such a structure will not only contain the blast of explosives, but will also prevent the use of grenade launchers and small arms.
The 21km partly underground NSE, which is estimated to cost $8 billion, will join Upper Thomson to the city. Main construction will start in 2015, and the highway is expected to be ready by 2020.
An elevated section of the upcoming North-South Expressway (NSE) will be the first land transport infrastructure here to be made terrorist-proof. The viaduct will go over the Republic of Singapore Air Force (RSAF)'s Chong Pang Camp, home to the Air Defence Systems Division - armed with anti-aircraft guns and missiles.
The Land Transport Authority (LTA) has invited consultants to come up with design solutions to neutralise bomb threats from the section - part of an 8.8km viaduct, the longest in Singapore - that will go over the North-eastern corner of the camp. These could be from explosives on board vehicles, or explosives planted on parts of the viaduct.
The LTA said that it could not avoid going above the camp, as all the other options were either not feasible or too costly. It added that the cost of the security measures had already been factored into the construction budget.
According to tender documents obtained by The Straits Times, the design must take into account risks arising from the detonation of up to 500kg of explosives. Risks from fragments and flying debris from such a blast must also be considered.
Observers said that to mitigate such risks, the section over - as well as the stretches just before and after - Chong Pang Camp is likely to be enclosed. The construction could be similar to elevated tunnels that other cities build to reduce traffic noise on viaducts - only much stronger. Such a structure will not only contain the blast of explosives, but will also prevent the use of grenade launchers and small arms.
The 21km partly underground NSE, which is estimated to cost $8 billion, will join Upper Thomson to the city. Main construction will start in 2015, and the highway is expected to be ready by 2020.
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