Military Engineer Services Tender

Supply , installation, testing and commissioning outdoor type, Step down transformer, 33 KV/415 Volts, (at Full load) AC 3 Phase 50 HZ, 400 KVA Capacity core type , double copper wound, oil immersed , naturally cooled, oil natural Air Natural (ON AN) with external cooling tubes, delta connected on primary side (HV) and star connnected on secondary side (LV) in accordance with vector group DYN-11 with neutral brought out on secondary side (LV side) and having taping at ±2.5% & ± 5% on HV side to be charged by means of hands operated off load tap changer gear. The maximum temperature rise should not exceed 45 degree celsius in oil and 55 degree celsius in HV/LV winding when measurement by resistence method after continuous full load run on an ambient temp of 40 degree celsius.The transformer shall be IS-2026 marked complete all as specified and directed.

Supply and laying in cable, XLPE insulated , armoured electric cable (heavy duty) 1100 Volts grade laid in trenches,passing throught pipes,fixed on walls complete with stranded aluminium conductor of size 2 Core 6 Sqmm, ISI marked complete, all as specified and as directed.

Supply and fix switch fuse unit TPN 500 Volts, 3 phase with HRC fuses suitable for interior mounting in panel of capacity 40-200 Amp complete all as specified and directed.