bids are invited for custom bid for services - dismantling, shifting, erection, testing and commissioning of 11kv transformer at smelter plant - dismantling with shifting of old transformer and loading, unloading, shifting, erection, testing and commissioning of 725kva, 11kv/(1100-351)v, yny0, furnace transformer. , dismantling with shifting of old transformer and loading, unloading, shifting, erection, testing and commissioning of 1075kva, 11kv/1050v, dyn11, furnace transformer. , dismantling with shifting of old transformer and loading, unloading, shifting, erection, testing and commissioning of 1600kva, 11kv/433v, dyn11, distribution transformer , dismantling with shifting of old transformer and loading, unloading, shifting, erection, testing and commissioning of 2500kva, 11kv/433v, dyn11, distribution transformer , dismantling with shifting of old transformer and loading, unloading, shifting, erection, testing and commissioning of 2500kva, 11kv/660v, dyn11, mill converter duty transformer. , dismantling with shifting of old transformer and loading, unloading, shifting, erection, testing and commissioning of 2500kva, 11kv/660v, dd0, mill converter duty transformer. , dismantling with shifting of old transformer and loading, unloading, shifting, erection, testing and commissioning of 2 x 700kva, 11kv/(660-660)v, dy11-dd0, mill converter duty transformer. , dismantling with shifting of old transformer and loading, unloading, shifting, erection, testing and commissioning of 2 x 1250kva, 11kv/(660-660)v, dy11-dd0, mill converter duty transformer.