corrigendum : supply of supply installation, testing & commissioning of transformer outdoor type , supply installation, testing & commissioning of transformer outdoor type, 33 kv/11 kv, 3- ph ase, 50 c/s, oil immersed, naturally cooled, 1.6 mva, core type, double wound with copper conductor, havin g off circuit taps +5% to -10% in step of 2.5% on hv to vary hv, 35/40 degree centigrade temperature rise n oil & winding respectively, high voltage side connected in delta where as low voltage side connected in st ar, having vector group reference dy n 11, with neutral of the secondary winding brought for earthing, outd oor type, having bushings on hv & lv sides, complete with first filling of oil complying with is: 335 and oth er fittings & accessories as per is: 2026 and other relevant applicable standards. make- kirloskar, abb or s imilar. is: 1180 (part-i)/2014 of the earlier published tender may be read as is: 2026 and other relevant ap plicable standards in detailed specification attached with tender (annexure a). [ warranty period: 30 mo nths after the date of delivery ] ]