A couple of “alternative” rail fastening systems will be tested on the structural damage-hit Airport Metro line, following the Union Urban Development Ministry’s suggestion to install them to avoid delaying repair work.
The system is a technique for fixing rails to concrete ties.
The authorities decided to carry out trials of the alternative fastening systems because the imported equipment, originally planned for installation to fix the damages to rail fastening clips in the underground section of the corridor, were held up at Customs. (…)
via For faster repair work, Airport Metro to try out alternative methods – Indian Express.