supplying, installation, testing and commissioning of 1 set of 7.5 mva 33kv/11kv copper wound out door type power transformer with oltc for wtp pumping plant at bhelatand of dhanbad urban water supply scheme , complete requirments:- , cost towards supply, installation, testing and commissioning of 1set 7.5 mva 33kv/11kv copper wound out door type power transformer with oltc [ make: abb/ kirloskar] 5% to -15%in step of 1.25% with rtcc-avr and marshalling box continuous rated for three phase, 50hz, full load and temperature rise not exceeding 40 degree c by thermometer in oil and 50 degree by the resistance in winding after continuous run at full load rating. the transformer should have oil immersed winding having vector group dy-11, hv side connected in delta and lv side connected in star with neutral brought out connected to provided separate earthing. the transformer shall have power terminal arrangement, bushing on hv side and cable end box on lv side suitable to connect xlpe aluminum cable on lv side with standard fitting 2nos. channels with stopper shall be provided and fixed on the plinth for mounting the transformer. the transformer should have following standard fittings with full of t.oil. the power transformer shall be accomplished with: 1). oil conservator with fitting hole with cap and plain oil level gauge. 2). silica gel dehydrating breather charged with silica gel. 3). oil drain valve. 4). lifting eyes hooks. 5).oil filter valve. 6). two earthing terminals. 7) diagram and rating plate 8). air vent. 9).explosion vent. 10). bucholtyze relay. 11).resistance temperature detector. /oil temp indicator 12). marshalling box . (13). bi directional rollers, including loading, transportation, unloading, erecting and commissioning of transformer and testing on load etc all complete. , supplying and fitting of heat shrinkble end termination kit of 400 sq. mm size outdoor type of reputed make with all labour tools and tackles. , supplying , erecting approved make thyrite/metal oxide type lightening arrestor suitable for 33kv/ht supply station with necessary ancillary material complete on provided cross arm/suitable and connected to overhead line as is 3070.