One Bukit Changgang flood bank project ready next week, months ahead of January 2027 target, says Irrigation Dept

SEPANG, Nov 1 — One of two flood bank strengthening sites in Kampung Rancangan Tanah Belia (RTB) Bukit Changgang here is 80 per cent complete and is expected to be finished next week, ahead of its original January 2027 deadline.

The project, undertaken by the Department of Irrigation and Drainage (JPS), uses the Schematic Precast System (SPS) to reinforce an existing earth embankment that is frequently eroded by strong currents in Sungai Langat.

Universal Precast System project engineer Luqman Hakim Omar said work on the project, which began on September 23, was in its final phase, with the remaining 20 per cent, including concreting, expected to be completed by this weekend before the site is handed over to JPS next week.

“We aim to complete the project quickly before the monsoon season, as stipulated by JPS, to help protect residents,” he told Bernama during a recent site visit.

He said the six-metre-high structure comprised four concrete panels, each 1.5 metres high, and was expected to withstand overflowing river water and help prevent it from entering the village, given that the danger level for Langat River was around 4.9 metres.

Luqman said an analysis had identified the soil at the site as relatively weak due to its mixture with waste, making it one of the locations most at risk of embankment failure.

“The SPS method reinforces the embankment by compacting the soil enclosed by concrete panels and lined with geotextile and geogrid, ensuring strong interaction between the soil and panels so that the structure remains stable even without piles beneath it,” he said.

Meanwhile, RTB Bukit Changgang village head Ahmad Fuad Alias said residents were grateful for the project and hoped it would prevent further embankment breaches and flooding, which had repeatedly damaged their property and disrupted their lives.

“Residents are tired of dealing with property damage, buying new furniture and having to clean their homes repeatedly.

“Although some residents initially questioned the strength of the new technology because it does not use piles, we were satisfied after the engineers explained it to us. We hope the structure can withstand the water and prevent further flooding,” he said.

The RTB Bukit Changgang settlement and surrounding areas have frequently experienced prolonged flooding when rivers overflow or embankments breach, including during the major floods in December 2021 and several flood incidents in 2022 and 2023.

In late June, unusually heavy rain in the upper Langat River Basin caused water levels to rise sharply, resulting in an earth embankment breach in the village that affected about 3,000 residents.

To address the problem, the Selangor state government allocated RM7 million for repairs and embankment strengthening works at the two sites using SPS technology, with the overall project scheduled for completion in January next year.

The 2026/2027 North-east Monsoon (MTL) was forecast to begin on October 27 and continue until March next year.

The Malaysian Meteorological Department said three to five episodes of continuous heavy rain were expected to affect the country during the initial phase of the monsoon, from November to January. — Bernama

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雪邦，11 月 1 日讯——位于武吉昌岗的丹那贝利亚村（RTB）两处防洪堤加固工程之一已完成 80%，预计将于下周完工，比原定的 2027 年 1 月的最后期限提前。

该项目由灌溉和排水部 (JPS) 实施，采用预制构件系统 (SPS) 来加固双溪冷岳 (Sungai Langat) 中经常受到强劲水流侵蚀的现有土堤。

Universal Precast System 项目工程师 Luqman Hakim Omar 表示，该项目于 9 月 23 日开工，目前已进入最后阶段，剩余的 20% 工作（包括混凝土浇筑）预计将于本周末完成，之后该场地将于下周移交给 JPS。

“我们的目标是按照JPS的规定，在季风季节到来之前尽快完成该项目，以帮助保护居民，”他在最近一次现场考察中告诉马新社。

他说，这座六米高的结构由四块混凝土板组成，每块板高 1.5 米，预计可以抵御溢出的河水，并有助于防止河水进入村庄，因为朗加特河的危险水位约为 4.9 米。

卢克曼表示，分析表明，该地点的土壤由于与废料混合而相对较弱，使其成为最容易发生堤坝溃决的地点之一。

他说：“SPS 方法通过压实混凝土板包裹的土壤，并衬以土工织物和土工格栅来加固路堤，确保土壤和板之间有很强的相互作用，即使下面没有桩基，结构也能保持稳定。”

与此同时，RTB Bukit Changgang 村村长 Ahmad Fuad Alias 表示，村民们对该项目表示感谢，并希望该项目能够防止堤坝进一步决堤和洪水泛滥，洪水曾多次破坏他们的财产并扰乱他们的生活。

“居民们厌倦了处理财产损失、购买新家具和反复清洁房屋。

他说：“虽然一些居民最初对这项新技术的强度表示质疑，因为它没有使用桩基，但在工程师向我们解释后，我们感到满意。我们希望这座建筑能够抵御洪水，防止进一步的洪灾。”

RTB Bukit Changgang 定居点及周边地区经常遭受河流泛滥或堤坝决堤造成的长期洪水，包括 2021 年 12 月的大洪水以及 2022 年和 2023 年的几起洪水事件。

6 月下旬，朗加特河上游流域异常强降雨导致水位急剧上升，造成该村土堤决堤，约 3000 名居民受到影响。

为了解决这个问题，雪兰莪州政府拨款 700 万令吉，利用 SPS 技术对这两个地点进行修复和堤坝加固工程，整个项目计划于明年 1 月完成。

预计 2026/2027 年东北季风 (MTL) 将于 10 月 27 日开始，并持续到明年 3 月。

马来西亚气象局表示，预计在季风初期（11月至次年1月），该国将出现三到五次持续强降雨。——马新社

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