Tender For corrigendum : supply and application of corrosion protection lining of 02 mm thickness on new cable tray structure of ahp area and other various location of unit 3 and 4 at sikka tps. - anti corrosive material (coal tar base compound), coal tar base reinforcement compound, red oxide, charges for application of material as mentioned in sr. no.1,2 & 3 various location as per scope of work & instruction of eic., charges for scaffolding supply, erection and dismentaling for height greater 10mtr and less than-equal to 25mtr