Current affairs

JaBoDeTaBek-PunJur Regional Spatial Plan to prevent flooding and relieve congestion


Prevention of flooding due to land subsidence and sea level rise

It's mid-June and while we thought we had already entered the dry season, the sudden heavy rains last night seemed to have caused immediate flooding (banjir) in Ancol, North Jakarta, where land subsidence is at its worst, said to be moving at a rate of 8 inches (about 20 cm) a year.

On Gunung Sahari street in North Jakarta, seen on the left on the way to the north Water level of Sungai Ciliwung River and Danau Sunter Lake is known to be at an all-time high, and heavy rains can quickly overflow and flood the surrounding area, and for about five years It rained heavily on the way to a client's place in Klapagadin before, and the water level of the Ciliwung River had risen the night before. Tributaries have overflowed, and I have had to turn back for my life while avoiding waterlogged roads.

Jakarta's land subsidence is caused by over-pumping of groundwater, while at the same time global warming has caused the sea level in Jakarta Bay to rise, and at high tide, seawater seeps in from underneath the dykes and flows in, even flooding the area near Anchorage as much as Venice, the water capital, and it is said that a third of Jakarta could be submerged by 2050.

Jakarta, Bogor, Depok, Tangerang and Bekasi as Jabodetabek ( JaBoDeTaBek), collectively known as JaBoDeTaBek, and Puncak Cianjur, based on a long term vision, is an economic, infrastructure and The question of how to arrange the cohesion of spaces, such as cities, in a way that makes them functional and livable, taking into account their quality. Indonesia's long term state on structure (e.g. spatial system and infrastructure network based on spatial planning) The plan is the JaboDeTaBek Punjul Spatial Plan (Tata Ruang JaBoDeTaBek- (PunJur) and issues to be considered there include flooding, availability of water sources, sanitation and waste issues The six main issues cited are: coastal and island reclamation issues, traffic congestion, and capital relocation.

One of the most important issues in the plan is flood prevention and congestion reduction, in order to minimize flood damage, 305 water storage areas have been established and flood control measures have been strengthened in the region.

Eliminating congestion that causes huge economic losses

The congestion problem is expected to be solved by rail-based mass transit infrastructure such as the Kereta Rel Listrik (KRL) train, Light Rail Transit (LRT), Mass Rapid Transit (MRT) and Airport Rail KA (Kreta Api Bandara), as well as Transit Oriented Development (TOD), a public transport oriented urban development.

Economic losses due to traffic congestion in Jabodetabek amount to Rp. 100 trillion per year, and Jakarta accounts for 67.5 trillion rupiah a year of the loss, a factor that causes congestion There is only one expressway from central Jakarta to the east of the industrial park, and traffic congestion is chronic. gridlock, in which the area of the road occupied by cars and motorcycles exceeds the total road area, paralyzing traffic. condition, and there has been a general widening and repair of roads, and the construction of additional traffic lights and crossroads It has been done.

Due to chronic traffic congestion, there are many companies that can only make around one delivery a day from Tanjung Priok port to factories in industrial parks in the direction of Bekasi and Karawang, and the transportation turnover rate is low, so a direct toll road (TOL) is currently under construction from Cibitung to Cilincing before Tanjung Priok port.

Currently, Jakarta has a very high level of vehicle overdensity, and the constant traffic congestion is beyond the public's ability to accept, and in an environment where vehicles cannot function well (e.g., moving quickly), this will discourage Indonesian domestic consumers from purchasing vehicles, as they will lose the incentive to spend high amounts of money.

The Jabodeta Bek Punjul Regional Spatial Plan states that three aspects, social (sosial), environmental (lingkungan), and economic (ekonomi), will create a sustainable spatial structure, and the following three points are listed as specific strategies

  1. Promote integrated development within the urban area as a single planning area.
  2. Promote development that protects water and soil, ensures ground and surface water use, and overcomes flooding, taking into account sustainable environmental capacity.
  3. Promote productive, effective, and efficient regional economic development that takes advantage of regional characteristics while taking into account public welfare and sustainable development.





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