Tender For corrigendum : invitation to tender for design, manufacture / fabrication, assembly, testing, shop inspection, painting and supply & delivery of high pressure hydro jet coke oven door cleaners in a fixed station including all commissioning spares, supervision of erection, testing, trial run, commissioning and demonstration of performance guarantee parameters in presence of oem of the system and two years operational & maintenance spares (optional) (pkg. no. ss-410), required for rebuilding of coke oven battery no. 6 at sail, bokaro steel limited, bokaro, jharkhand..