To ensure the safety of the entire Delhi Metro infrastructure and enhance its efficiency, the DMRC has invited tenders to measure vibrations at 90 locations across its network, officials said on Monday.
This work shall be completed within a year of award of tender and these locations shall be finalised in due course according to internal assessments, they said.
“Tri-axial velocity sensors shall be used to measure and monitor the vibrations. The monitoring shall be done for 24 hours with duly calibrated velocity sensors.