Tender For corrigendum : supply of solar hotwaterstoragetank with stand non hp of 1200 lpd tank with stand gi 3mm thickness with epoxy coating inner surface 100 mm rock wool insulation al outer cladding 3 kw electrical heaters 3 nos , supply of 500 lpd only tank with stand g1 3mm thickness with epoxy coating inner surface area, with 50 mm puf insulation, gi outer cladding, including with 3 kw electrical heaters 2 nos. , differential control panel unit for temperature control , lifting charges , installation, testing and commissioning charges , transportation charges , collectors 24 nos. de scaling and brazing charges