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Piling work at Elphinstone Bridge's P61 and P61A pier locations has completed seven piles so far but faced interruptions from local residents concerned about the safety of century-old nearby buildings. MMRDA's contractor appointed VJTI experts to monitor structural stability, using accelerometers, crack width gauges, and tilt sensors. A joint site visit with officials, experts, and residents was held to explain safety measures. Preventive guidelines were issued to reduce rig RPM, limit noise, and monitor vibrations during pile boring, ensuring the safety of the surrounding structures.
Piling work is ongoing at pier locations P61 and P61A on Elphinstone Bridge. As of mid-November, seven piles have been completed. During the work, around 50 local residents temporarily stopped the operations, expressing concerns about the safety of nearby buildings, some of which are over 100 years old, fearing potential structural damage. Advertisement
To address these concerns, the contractor working with MMRDA appointed experts from VJTI to monitor the structural health of surrounding buildings. These experts installed instruments to study the effects of construction vibrations, including accelerometers for vibration measurement, crack width gauges to track any changes in cracks, and tilt sensors to monitor building tilts. Residents were informed about the safety measures being implemented.
Responding to residents' requests, MMRDA officials, VJTI professors, project advisors, and local residents conducted a joint site visit to explain the examination process. As a preventive measure, VJTI experts recommended specific adjustments during pile boring, including reducing the RPM of the rig when socketing in hard rock, maintaining lower noise levels when removing mud from the auger, and continuously monitoring vibrations to ensure minimal impact on nearby structures.
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