bids are invited for repair, maintenance, and installation of plant/ systems/equipments (version 2) - rttc telephone exchange erragadda, hyderabad; electrical system or installation; as per atc - attending split ac units break down calls by arranging skilled ac technician for complete checking for fault status of / input supply / indoor pcb / out door pcb / compressor / making the unit in working condition by replacing minor spares / services / drain water leakages etc., as required. [note:this item (sr.no 1) will not be operated if the general servicing of sac(sr.no.2) is operated] , general servicing of 1.5 tr inverter/non-inverter type split ac units including removing of filters and washing with water, cleaning of condenser and evaporating coil with jet water, blowing dust/ cleaning of filters checking of connections etc., as required. , s/f of the following accessories for the 1.5 tr non-inverter type split ac units suitable for operation on 230 volts,50hz ac supply, including removing of faulty items, refixing, testing etc., as required. a) indoor / outdoor fan motor run capacitor. , b) 36/45 mfd metal body capacitor for compressor suitable for 415 volts ac supply etc., as required. , c) condenser unit fan blade (pvc) , d) blower bushes for indoor split ac unit , e) new blower unit for 1.5 tr split ac unit. , f) new condenser fan motor in replacement of burnt motor. , g) 3x2.5 sqmm copper conductor flexible wire , h) non-inverter type 1.5tr ac unit pcb repair. , i) topping up of r-22 refrigerant gas , j) complete gas charging with r-22 refrigerant gas for 1.5 tr split ac units ac i/c nitrogen pressure testing, leak arresting, vaccumisation etc., as required. , k) replacing of internal wiring for indoor unit of 1.5 tr split ac unit testing etc., as required , s/f of the following accessories for the 1.5 tr inverter type split ac units suitable for operation on 230 volts,50hz ac supply, including removing of faulty items, refixing, testing etc., as required. a) condenser unit fan blade (pvc) , b) blower bushes for indoor split ac unit , c) new blower unit for 1.5 tr split ac unit. , d) new condenser fan motor in replacement of burnt motor. , e) 4 x 1.5 sqmm copper conductor flexible wire , f) inverter type 1.5tr ac unit outdoor pcb repair. , g) inverter type 1.5tr ac unit indoor pcb repair. , h) temperature sensor , i) complete gas charging with r-410a refrigerant gas for 1.5 tr split ac units i/c nitrogen pressure testing, leak arresting, vaccumisation etc., as required. , j) providing new pcb (indoor unit) for inverter type ac unit including removing faulty pcb etc as reqd , k) providing new pcb (outdoor unit) for inverter type ac unit including removing faulty pcb etc as reqd , providing and fixing additional copper refrigerant pipe line of suitable size (as per manufacturer recommendation) for existing split ac units including insulation, necessary cl ing etc., as required. , general servicing of 63kva ea set including draining out the existing oil, filling new lubricating oil (shall be supplied separately), replacing the filter kits, adjusting the belt tensions, cleaning the ea set and testing on exchange load as required. , (a) lub oil filter , (b) diesel filter , (c) engine lube oil 15w/40 grade , (d) coolant , (e) distilled water , replacement of the following componnents (when found faulty) i/c removing the existing one nad testing after replacement as required.(a) heavy duty fuel flexible pipe , (c) hoses with clips , attending to breakdown complaint of ea set including checking, rectifying the minor faults, testing the ea set on exchange load as required. , wiring for light point/ fan point/ exhaust fan point/ call bell point with 1.5 sq.mm frls/hffr pvc insulated copper conductor single core cable in surface/ recessed medium class pvc conduit, with piano type switch, phenolic laminated sheet, suitable size m.s. box and earthing the point with 1.5 sq.mm. frls/hffr pvc insulated copper conductor single core cable etc. as required. (a) group c , wiring for circuit / sub main wiring along with earth wire with the following sizes of frls pvc insulated copper conductor, single core cable in surface / recessed medium class pvc conduit as required.(a) 2x1.5 sq mm + 1x1.5 sq mm earth wire , (b) 4x1.5 sq mm + 2x1.5 sq mm earth wire , (c) 2x2.5 sq mm + 1x2.5 sq mm earth wire , supplying and fixing ofthe following accessories suitable for operation on 230v, 50hz ac supply including making connections and removing of faulty items as required.(a) 5 s piano type switch , (b) 5 s piano type socket , (c) 15 s piano type switch , (d) 15 s piano type socket , (e) 63a hrc fuse links , (f) supplying and fixing two module stepped type electronic fan regulator on the existing modular plate switch box including connections but excluding modular plate etc. as required. , supplying and fixing 5 a to 32 a rating, 240/415 v, 10 ka, c curve, miniature circuit breaker suitable for inductive load of following poles in the existing mcb db complete with connections, testing and commissioning etc. as required.(a) sp mcb , (b) spn , supplying and fixing of 56 sweep ceiling fan suitable for operation on 240v, 50hz, ac supply, including downrod copper wiring suitable for a ceiling height of 4.5 mtrs and interconnections, testing etc., as reqd. m/s havells or ss make , supplying and fixing of 4 18/20w led patty type fitting suitable for operation on 240v, 50hz ac supply including interconnection, testing etc., as reqd. (m/s philips, cg or ss make) , supplying and fixing of 4 feet 20w led tube, suitable for the existing 4 length tube light fitting and operating on 230v, ac supply i/c interconnections, testing etc., as reqd. (m/s crompton/ss make) , attending of emergency breakdown call and rectifying of fault, disconnecting of any faulty /burnt electrical accessories and restoration of power supply in panel / db by making temporary connections wherever necessary etc., complete as required.