Mumbai Metro 7A Viaduct At Risk Of Reconstruction As MMRDA Consultant Missed OHE Height Requirements
Mumbai, August 27, 2026: A portion of the elevated viaduct of Metro 7A may have to be dismantled and rebuilt if airport authorities do not clear the additional height required for installing the overhead electrification (OHE) system. Consultant Missed Height Requirement MMRDA Director, Metro Project, Basavaraj MB said the general consultant for the project, SYSTRA-CEG-SMCIPL, was responsible for…
Mumbai Metro Line 7A's elevated viaduct may need to be reconstructed if the necessary height for installing the overhead electrification system is not cleared by airport authorities, according to the MMRDA Director for the Metro Project, Basavaraj MB. The consultant responsible for the design, SYSTRA-CEG-SMCIPL, failed to highlight the additional height required for OHE poles during the initial stages of planning.
MMRDA is now seeking resolution with the Airports Authority of India (AAI) and awaiting a technical report on the required clearances and any modifications needed. The Airport Colony station currently meets the approved height limits, but additional height ranging from 0.025 metres to 2.244 metres is needed at other points along the elevated alignment.
If the extra height is not approved, sections of the viaduct could require costly repairs or reconstruction, potentially delaying the project and costing over Rs 260 crore.
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