The hairline cracks on 18 piers on three corridors of the Delhi Metro which are under-construction were noticed by the DMRC engineers who conducted inspections on all the Metro corridors.
"They found hairline cracks on eight piers of the Central Secretariat-Gurgaon corridor, two piers of the Noida corridor and eight piers of the Central Secretariat-Badarpur line. All appear to be minor in nature," DMRC Chief Public Relations Officer Anuj Dayal said.
After the Zamrudpur incident that claimed six lives when an under-construction bridge collapsed, DMRC began a special drive to re-check all cantilever piers of Phase-II and as part of this exercise Shirish Patel and Associates were appointed to conduct a structural audit.
The consultants were also asked to re-check the design of all these 18 points in detail, apart from overall checking of Phase-II structures.
"DMRC will carry out further corrective action if required and take necessary remedial measures after Shirish Patel and Associates have examined these locations," Dayal said.