supply of supply, installation and commissioning of distribution transformer as per complete descripti on as per cee description no. ser/elec/gs/description/trans/4/rev-1/nov 2024 (at f/37) which is furni shed below (cee/ser specification attached in documents). rating 500 kva, 3- phase, 50 hz, oil immersed, non-sealed type (transformer tank body and cover are bolted), copper wound, primary winding in delta and secondary winding in star (vector symbol- dyn11), onan cooled transformer, confirming

South Eastern Railways has invited bids for the supply of supply, installation and commissioning of distribution transformer as per complete descripti on as per cee description no. ser/elec/gs/description/trans/4/rev-1/nov 2024 (at f/37) which is furni shed below (cee/ser specification attached in documents). rating 500 kva, 3- phase, 50 hz, oil immersed, non-sealed type (transformer tank body and cover are bolted), copper wound, primary winding in delta and secondary winding in star (vector symbol- dyn11), onan cooled transformer, confirming to is:1180 (part-1) :2014 with amendment nos. 1,2,3,4 or latest, and supplied with all standard fittings mentioned in clause 20 .1 of is 1180 ( part-1) latest with condition that drain- cum- sampling valve will be applicable for all capacit y of transformers. oil temperature indicator & winding temperature indicators will be provided as per claus e 20.2 of is1180 (part-1). terminal arrangement: the transformer shall be fitted on high voltage and low vo ltage sides with outdoor type bushing of appropriate voltage and current rating. the high voltage bushings (3 nos.) shall conform to is/iec 60137. the low voltage bushings (4 nos.) shall conform to is 7421. suitable cable end box along with cable entry hole glands is to be provided at lt side. rating of transformer:500 kv a, no load voltage ratio: 11 kv /750volt, type of mounting: plinth mounting, type of tap changer: on-load t ap changer for variation of hv voltage from +5% to -15% in steps of 2.5%, type: outdoor type, energy effic iency level (latest): 3. the firm has to submitted the following documents along with supply of materials. (i) type test report of transformer having same rating, make (& model if any) and design from nabl accredite d lab as per is:1180 (part-1) latest. (ii) routine test certificate as per is:1180(part-1) latest. (iii) special tes t certificate as per clause 21.4 sl.no. (a), (c), (d) & (e) of is:1180(part-1) latest. [ warranty period: 30 mon ths after the date of delivery ] ] page 1 of 5 run date/time: 20/09/2026 14:15:34 rnc/div/south eastern rly tender document tender no: ih265716a closing date/time: 30/09/2026 14:00 - supply, installation and commissioning of distribution transformer.. Please refer to the tender document for project value and EMD details. Interested bidders can submit applications until 30 September 2026, with the technical opening scheduled for 30 September 2026.