Why is the investigation delayed at the Putra Heights site?

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Investigation at Putra Heights Gas Blast Site Delayed Due to Unstable Ground Conditions

The technical investigation into the Putra Heights gas pipeline explosion is currently on hold, with the Department of Occupational Safety and Health (DOSH) unable to commence their work for at least another 10 days. This delay is primarily due to the severely unstable ground at the explosion site, a condition exacerbated by recent heavy rainfall.
Ground Stability Issues

The area where the explosion occurred remains highly unstable, making it unsafe for investigators to proceed. This inherent instability, a direct consequence of the blast itself, requires a significant period for stabilisation before any forensic examination can take place.
Impact of Heavy Rainfall

Recent heavy rainfall has further complicated the situation at the Putra Heights site. The downpour has resulted in waterlogged ground conditions, adding another layer of difficulty to the ongoing efforts to secure the area. This waterlogged state impedes access and general safety for personnel involved in the recovery and investigation processes.
Ongoing Disaster Recovery Efforts

A four-phase technical action plan is underway to address the disaster recovery works. The initial phase involved a temporary diversion of a monsoon drain that crosses the affected Petronas gas pipeline, a task that has now been completed. This was followed by heat mapping within a 300-metre radius.
Preparations for Investigation

Subsequent phases of the action plan are focused on preparing the site for the technical probe. Phase two will concentrate on stabilising the ground conditions to enable excavation and the gathering of physical evidence, which will involve ground scanning, soil grading, and sheet pile installation. Only after these preparatory steps are completed can DOSH and the police move into phase three to identify the cause of the explosion.

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Why is the investigation delayed at the Putra Heights site?

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