Tender For corrigendum : supply of 25 kv ac memu transformer 1050 kva with hv turret and accessories complete conforming to rdso spec. no rdso/pe/spec/ emu/0137-2009 (rev 0) or latest with follwoing accessories only: 1.conservator with oil level gauge, 2. silica gel breather, 3. buchholz relay with diode, 4. thermostat, 5. drain plug (mounted on transformer tank), 6. filter valve, 7. oil inlet & outlet valves (mounted on transformer tank), 8. drain plug with locking plates (mounted on transformer tank), 9. air release plug(mounted on transformer tank), 10. pressure relief valve (mounted on transformer tank), 11. turret, 12. auxiliary fuses (100 amp & 250 amp: 02 each) 13. shrouds for traction & auxiliary winding will be providedby the firm in the transformer. [ warranty period: 30 months after the date of delivery ]
Tender For supply of repair and rewinding e e - opening of transformer cover draining oil de-tanking core- coil assembly assessment and estimation for repair and replacement of parts providing locking arrangement of all valves and plugs , loading and unloading of transformer at side cph and firms work premises hiring , hv leg coil with insulation varnish and baking of coil assembling vacuum , lv leg coil with insulation varnish and baking of coil assembling vacuum impregnation new ec grade copper with insulation , set of gaskets rubberized cork neoprene material and size is needed for hv and lv , breather dehydrator silica gel type with fresh silica gel 01 kg , fresh transformer oil of standard quality as per the isi mark for main tank and oltc , double float buchholz relay including all accessories , air release valve including all accessories if required , magnetic oil gauge including all accessories if required , radiator valve including all accessories if required , reassembling of 3 15 mva transformer dyn 11 star delta connected with proper size of copper strip , replacement change of complete gaskets rubberized cork neoprene material , the oltc was completely repaired with the replacement , painting charges of transformer tank having hot oil resistant paint inside and synthetic enamel paint on transformer after cleaning of tank and complete painting outside etc as reqd. , less the cost of old and burned transformer oil plus old transformer oil of oltc , less the cost of old and dismantling insulated copper