tender for rectification of damaged / eroded fabricated channel in structures carrying platform in 9 mtr elevation between aph a & b pass; 1 charges for cutting and removing of existing rusted platforms and dismantling of damaged steel structural materials from aph a and b pass 9 mtr floor elevation and devoluting scarp to stores. including consumables & t&ps. 2 charges for leading, lifting and transporting of iron and steel materials from stores to site. including hire charges 3 charges for fabrication and erection of damaged / eroded platform and supporting structures in aph a and b pass 9 mtr floor elevation. including consumables & t&ps. (required structural material will be supplied by tnpgcl) 4 charges for dismantling the eroded / wornout floor grills cutting, dismantling, leading, lifting to ground floor. including consumables & t&ps. 5 charges for refixing of the new/same released floor grills leading, lifting of grills and erecting at 9 m elevation. including consumables & t&ps.