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Will Giant Sea Wall save Jakarta from flood?

Public Works Minister Djoko Kirmanto said, the construction of the mega project National Capital Integrated Coastal Development (NCICD) or better known as the giant sea wall (giant dike) is a government move to save Jakarta from flooding.

Giant sea wall, said Djoko, is an early attempt to solve the problem, restore, and enhance evironmental sustainability in the capital. Restoration and improvement of the environment in Jakarta also done by revitalizing numerous of dike or flood retention pond, pumps in flood shelters as well as increasing river capacity and improving estuaries.

"One-third of the length of the sea dike to be built is government  responsibility and the rest will be built by private enterprise," Djoko said in a speech at NCICD megaprojects ground breaking, in the eastern part of the pump house Pluit, Networking, North Jakarta, Thursday (9/10).

He added, in order to function properly the government immediately issued a design criteria concerning safety. "Such as, the design wave height for 1,000 years, the height of  lighthouse dike elevation that should be the same, and to able to overcome the problem of sea level rise and land subsidence until 2030," he said.

Besides that, the working group has also prepared NCICD alternatives dike design in accordance with utilisation and characteristics of each beach segment which are the property of the public.

At City Hall, Deputy Governor of DKI Tjahaja Basuki Purnama said the construction NCICD type A includes elevation, strengthening levees, and pump installation along 33 kilometers of coastline Jakarta. According to him, the initial development of this must be done to prevent the threat of flooding caused by rise of tide (rob). "Jakarta's flood came from two reasons. First, in the northern region is derived from tidal and south of the rain," said Basuki.

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