As many as 14 personnel of Tebet Sub-district Water Resources Executing Unit, South Jakarta is dredging mud in the water channel around SMAN 8, Jalan Taman Bukit Duri, Bukit Duri Urban Village. 

"It is done to increase the capacity of waterways when it rains," said Tebet Sub-district Water Resources Executing Unit Head, Retno Wulandari, Monday (1/13).

Those 14 personnel are divided into two teams on both sides of the building. There is also a truck to transport mud from the location.

They have been working since 8 AM and will end at 4 PM. It has been done since Saturday (1/1) and is targeted to be cleaned up to 100 meters length.

"It is targeted to be complete this week. So far we have transported 400 sacks of mud," he said.