Why did the TNB cable bridge in Bayan Lepas collapse?

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The Tenaga Nasional Berhad Cable Bridge in Bayan Lepas Collapsed Due to Structural Insufficiency

The Tenaga Nasional Berhad (TNB) cable bridge in Bayan Lepas collapsed because its structure was unable to support the weight of the 275kV cables it was intended to carry. The incident occurred at Cable Bridge number one, located within the Motorola company area and part of a project leading towards Intel. TNB has since removed the cables, reopened the installation area, and is reinforcing the bridge with central piling to enhance its structural integrity.
Structural Overload Identified as Cause

The primary reason for the collapse of the TNB cable bridge was identified as a failure to withstand the load imposed by the 275kV cables. The bridge's design or current condition was insufficient to bear the substantial weight of these high-voltage cables, leading to its structural failure. This occurred at a specific location, Cable Bridge number one, situated in the Motorola company vicinity and on the route designated for the project connecting to Intel.
Immediate Remedial Actions Undertaken by TNB

Following the collapse, Tenaga Nasional Berhad initiated prompt corrective measures. These actions included the removal of the installed cables from the damaged bridge to alleviate any further stress. Subsequently, the company proceeded to reopen the cable installation process and commenced work to strengthen the bridge. A key part of this reinforcement involves adding piling in the centre of the structure to provide additional support.
Communication with Stakeholders and Project Resumption Timeline

TNB has formally communicated the issue and the subsequent actions to Intel, a significant stakeholder in the area and a destination for the project's infrastructure. This notification ensures that Intel is apprised of the situation and the ongoing repair efforts. The project, which involves the installation of these 275kV cables, is now slated to recommence at the end of November, following the completion of the structural enhancements to the cable bridge.

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Why did the TNB cable bridge in Bayan Lepas collapse?

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