Painting of piers, pier caps, portals and viaduct segments/i-girders/u-girders with anti-carbonation paint from tikri border metro station to brigadier hoshiyar singh metro station including siding and depot line etc. at line-5 extension.

Painting of piers, pier caps, portals and viaduct segments/i-girders with anti-carbonation paint at balance locations from gtbr ramp to spbi metro station of line-2.

Anti-carbonation painting of piers, pier caps, portals, viaduct segments, u-girders and i-girders from harkesh nagar okhla to badarpur and left over portion from sarai to ballabhgarh station

Anti-carbonation painting of piers, piers caps, viaduct segments/i-girder/u-girders from necc to nwd of line-3 and line-4 section.

Anti-carbonation painting of piers, pier caps, portals and viaduct segments/ i-girders/box girders etc. and drainage pipe rectification of viaduct piers between kalkaji mandir to botanical garden and palam to vasant vihar stations of line-8.

Anti-carbonation painting of piers, pier caps, portals and viaduct segments/i- girders of section mayur vihar phase-1 to shiv vihar stations and vinod nagar depot of line-7.

Anti-carbonation painting of piers, pier caps, portals and viaduct segments/u-girder/i-girder of dwarka sub-city in line-3 section from dwarkamor station to dwarka sector-21 ramp area.

Painting of piers, pier caps, portals and viaduct segments/i- girders of section mukundpur depot viaduct to mayur vihar phase-1 stations (excluding) of line-7.

As per bid document

Painting of viaduct railing at viaduct of line-5 form kirti nagar-5/inderlok-5 to brig. hoshiar singh metro station including siding ramp etc (3 years).