Tender For corrigendum : supply of double wheel pedestal grinder-details as per technical specification , hydraulic pipebendingmachine-details as per technical specification , electric arc welding machine- details as per technical specification , rectifier welding sets-details as per technical specification , welding tables- details as per technical specification , marking off table- details as per technical specification , coil winding machine-details as per technical specification , work benches-details as per technical specification , grinder - 600 mm wheel diameter. double wheel pedestal grinder- details as per technical specification , price for supervision of erection and commissioning at site including 01 visit and 06 days at ennore site , price for supervision of erection and commissioning at site including 01 visit and 01 days at udangudi site