Floods: Shah Alam City Council to upgrade drainage, retention ponds


By CY LEE

THE SHAH Alam City Council will prioritise upgrading the drainage system and retention ponds for its latest flood mitigation measures.

Shah Alam mayor Datuk Zamani Ahmad Mansor (pic), who launched the RM150mil three-year (2022-2024) Shah Alam Sustainable Urban Drainage Master Plan (Sasud), said that RM50mil had been allocated for this year.

He added the plan will include structural and non-structural mitigation measures.

ALSO READ: MBSA looking at mitigation plan for flash floods in Section 13

“This will include upgrading the early warning system, developing forecasting and monitoring systems utilising artificial intelligence as well moving towards greener infrastructure developments to better manage flow and release of rainwater,” he added.

Zamani said focus will be given to high-risk areas such as Taman Sri Muda, Seksyen 13, Taman Mesra Shah Alam, Taman Tun Dr Ismail Jaya and Bandar Baru Sungai Buloh Seksyen U20.

He said it was necessary to revisit the planning that had been done in the past to make improvement as many were no longer able to cope with high volume of rain.

“The current drainage system at those flood prone areas only has a capacity of five to 20 Average Recurrence Interval (ARI).

“Many of the drains were built in the 1970s which is why they are unable to cope with unusually heavy rainfall like we saw last year,” Zamani said, adding that they should be made to at least 50 ARI capacity.

“We will also be looking at upgrading retention ponds to 100 ARI capacity.

Zamani said that the upgrade works will be harmonised with agencies like the Department of Irrigation and Drainage before implementation, which is expected to start in June.

“This is to ensure our efforts are able to complement those of the DID,” Zamani added.

To mark the plan’s launch, a town hall was organised by the council’s Engineering Department, which involved 200 participants from private corporations, government agencies, higher education institutions and local community representatives.

ALSO READ: Seeking holistic solution to floods in Shah Alam

MBSA Engineering Department acting director Hanif Basree Abdul Rahman who headed the town hall programme said that the feedback will be studied and a technical report will be produced by the Malaysian Society for Engineering and Technology next month.

“Once the report is out, an internal discussion will take place before we head towards implementation.

“The purpose of the town hall is to get feedback and suggestions from stakeholders on our plan to see what can be improved before we implement the upgrades.”

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