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    Reaching 95 Percent Progress, the Nanjung Tunnel will be operational in January 2020


    BANDUNG REGENCY - Together with residents and communities, the Governor of West Java (West Java) Ridwan Kamil directly observed the progress of the construction of the Nanjung Tunnel in Curug Jompong, Margaasih, Bandung Regency, Saturday (11/16/19).

    The twin water tunnels in the Citarum River Basin (DAS) were built to overcome the problem of flooding due to the overflow of the Citarum River.

    According to reports from the visit, the Nanjung Tunnel with a length of 230 meters each was completed in mid-December 2019 and could be operational in January 2020.

    "God willing, this tunnel will be completed in mid-December 2019 and will be effective in early 2020," said the governor, who is familiarly called Emil.

    Emil also added, during 2019 there were 16 projects that were built on small and large scale ranging from suctioning, dredging, making retention ponds, to the main project, namely the construction of the Nanjung Tunnel.

    "Of the 16 projects, the largest is the Nanjung Tunnel, two lanes for flowing water that often slow down in the Curug Jompong area due to the winding currents and many large rocks that cause the water to reverse direction," Emil said.

    He also urged people not to throw garbage directly into the river. Because the behavior is the source of problems throughout the Citarum watershed.

    "So I urge the citizens, with us the government to help at least change their behavior not to litter," Emil said.

    "Just pray, we will see in the rainy season around this December hopefully there will be a significant change in reducing floods," he added.

    Meanwhile in addition to building twin tunnels, the central government continues to carry out flood control efforts in the Citarum watershed until 2024 according to the Citarum Harum Program in Presidential Regulation No. 15 of 2018 concerning the Acceleration of Pollution and Damage Control in the Citarum River Basin.

    Emil said, if 16 projects in 2019 were smooth, then around 700 hectares of routine inundation areas would be free from flooding. "If all 16 of these projects run smoothly around 700 hectares of the area which is flooded according to theory, it should be free or minimally reduced," he said.

    Emil also said that the West Java Provincial Government this year has acquired 4.5 hectares of land in the Andir area to create additional retention ponds.

    "Then added from the Regent of Bandung 10 hectares in the upstream area to make more retention pools because one Cieunteung is not enough," Emil said.

    Head of the Citarum River Basin Agency (BBWS) Bob Arthur Lombogia meanwhile explained that the task of the Nanjung Tunnel was to release high water into the Saguling area.

    Bob also ensured that the progress of the twin tunnel construction by Saturday (11/16/19) had reached 95 percent.

    "The capacity of each tunnel is 350 cubic meters per second, so if two tunnels are 700 cubic meters per second the water can be accommodated," Bob said.

    "In reservoirs, sediments or sediment traps that we build in the tunnel area will also be able to accommodate 6000 cubic sediments. We are also building a 60-meter bridge for operation and maintenance needs," he concluded.

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