Work on Kayu Ara riverbank begins

Triple sheet-piling taking place at one of three points along Sungai Kayu Ara riverbank. The city council is initiating its own repairs first as the soil erosion has gone to the point of damaging the houses nearby.

COUNCIL repair works for three collapsing points along the Kayu Ara riverbank are expected to be completed by March 6 next year.

Petaling Jaya City Council (MBPJ) engineering director Ismail Shafie said the contractor had been at work since Oct 17.

The project is aimed at repairing three collapsing monsoon drain outlets emptying into Sungai Kayu Ara at Jalan 1a/20, Jalan 1a/26D and Jalan 1a/24H, at a cost of RM6.2mil

“We will have three layers of sheet-piling with metal C-beams, the outermost one will be about 15m deep, and then the next two at 18m.

“On top of that, a rubble wall will help protect the first sheet-pile, and we will be capping the gaps in between to prevent water from weakening the structure,” said Ismail.

Ordinarily, the repair of the banks would have fallen under the Selangor Drainage and Irrigation Department (DID).

However, Ismail and MBPJ councillor Wong Yuet Leng said the council had decided to act first as the riverbanks’ erosion had already encroached on the housing area.

Previously, the Selangor DID had stated that its Petaling office had only received an administrative allocation of RM3.2mil for repair works this year.

Ismail said the collapsing banks were due to “scoring”, as the river levels rise and seep in, and then as the waters recede, take out soil from the banks, resulting in cracks in the banks and then, collapse.

“We have been getting complaints, even before 2013, but the problem became worse only in 2015 when,” said Ismail.

Additionally, Wong said there were another two monsoon drains due to be repaired soon, for which the Engineering Department was in the midst of preparing the tender documents.

“They need to speed up soon, as the road and houses along the affected roads for these two other points are either settling or cracking as well,” said Wong.

A community hall for Ara Damansara residents is also in the offing in Jalan PJU 1A/19, at a cost of RM4mil, she said.

“It is supposed to be a 50/50 cost split between developer and MBPJ,” Wong added.

“However, some final details still need to be hammered out in the next couple of weeks, because we also need to take residents’ wishes or requests into account as well,” the councillor said.

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