bids are invited for operation and maintenance of electro-mechanical installations - complete system - operation of pump sets in two shift and attending of minor electrical faults ( without materials) as & when required in staff quarter and telephone exchange at cto compound cuttack. , replacement of the following electrical accessories / spares / components suitable for operation on 240v, 1ph ac supply including connection, testing etc. complete as required.36 /40 watt fluorescent tube rods , 36/40 watt electronic ballast for fl. tube fittings , starter for fl. fittings , 9 /10 watt led l (b22) , 12/15 watt bc led l (b22/e27) , replacement of the burnt out cables/wirings by the following sizes pvc insulated & pvc sheathed copper conductor multicore cable i/c fixing/laying on wall/ceiling with c cl s etc. as required. a) 3 corex2.5sqmm , 3 corex1.5sqmm , replacement of faulty service connection cables by new one of 2 core x4sqmm pvc insulated and pvc sheathed aluminium conductor weather proof cable etc. as required. , 20/22w ultra bright led tube light with very high efficacy more than 115 lm/w and thd less than 10% suitable for installation in existing tube light l holders , 63 s 4 pole isolator , 40 s dp isolator , 6-32a spmcb , angle/batten holder , 5/6 s 250 volts 3 pin plug top , 15/16 s 250 volts 3 pin plug top , stepped type electronic fan regulator (switch type) , 30-watt (b22/e27) led l , 6 /10 s 1 way piano type switch , 20 s 1 way piano type switch , 6 s 3 pin piano type socket , 16 s 3 pin piano type socket , 2.25 mfd 440 volts capacitor for ceiling fan , bearings for ceiling fans (6201 or 6202) etc. as required. (make skf/ss) , rewinding of 1200mm/1400mm ceiling fan by superior quality super enameled copper conductor i/c heat varnishing, testing etc. as required. , overhauling of ceiling fan i/c dismantling, heat varnishing of windings, greasing of bearings, refitting, testing etc. as required. , replacement of damaged wirring by supplying and drawing following sizes of frls pvc insulated copper conductor, single core flexible cable in the existing surface/ recessed steel/ pvc conduit as required. , 1x1.5 sq. mm , 2x1.5 sq. mm , 3x1.5 sq. mm , 3x4 sq. mm , 3x6 sq. mm , supplying and fixing of following sizes of medium class pvc conduit along with accessories in surface/recess including cutting the wall and making good the same in case of recessed conduit as required. , 20mm , 25mm , replacement of faulty and damaged ftl fittings by new one of following ratings, led batten with polycarbonate/aluminium body suitable for operation on 140 volts to 270 volts ac, 50hz i/c fixing and connection etc. as required. (havells /phillips / surya / polycab / crompton) 22w general purpose industrial compact batten suitable for single led tube light with integral led driver with single / double side connection options. (make havells/ phillips/ bajaj/ wipro/ crompton/nordusk)