Head of the North Jakarta Natural Resources Sub-dept. Heria Suwandi explained that the sea water leak occurred in the Pelindo Muara Baru embankment, Penjaringan District because it was old, reaching 10 years, so the construction began to weaken.
"There is a gap in the sheet pile which causes sea water to enter the back of the embankment," said Heria as quoted by ANTARA, Friday, December 5.
He said the current handling was temporary, namely paving a gap with sandbags and to this day around 500 sacks have been used and it is likely that it will continue to increase," said Heria.
"In addition, the concrete structure that experienced corrosion was also patched to reduce the rate of seepage," he said.
Heria said the condition of the embankment was still able to withstand water pressure when the sea level reached 2.65 meters of full moon pairs (cmPP). However, this force cannot last long, so permanent handling will be carried out by the Natural Resources Service through the strengthening of the new structure.
"Technical planning is being prepared and hopefully it can be realized in the 2026 fiscal year and completed in 2027," he said.
Long-term improvements are likely to be made by adding to the construction of embankments on the outside using stronger methods, such as piles that have been used in the Nizam Zachman Port area.
He assessed that the leak occurred due to a combination of various factors, such as high sea water pressure, concrete corrosion due to chlorine exposure, sea level rise, and land subsidence.
According to him, the segment that experienced a severe leak is estimated to have a length of about 500 meters. Meanwhile, the total embankment path from the Batang area to the meeting point with the PUPR Ministry embankment reaches about 2 kilometers.
"The SDA Sub-dept. also handles sea runoff at the Nizam Zachman Fishery Port, which occurs because the elevation of the dock is lower than the height of the tidal wave," he said.
Meanwhile, the Head of RT 15 Penjaringan, Dewi, said that the condition of the embankment has been concerning for a long time and often causes water to enter settlements when high tides are high.
"We hope that the leaking embankment can be repaired soon and the handling will be carried out," he said.
The sea water seepage that leaks through this embankment has an impact on at least seven RTs, namely RT 04, 05, 06, 11, 12, 14, and 15.
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