Cauvery Neeravari Nigam Limited Tender

code04 - Work of repairs/servicing and overhauling of on load tap changer (OLTC) of upto 66KV/6.6KV 8MVA transformer as specified below: A). Removing the supply connection of diverter switch draining out the diluted oil of OLTC chamber, removing the diverter switch one by one carefully by using tripped and chain pulley block. Dismantling the moving and fixing contacts and cleaning with good quality cleaning agents to remove the carbon deposit, replacing the worn-out compression spring micros switch tap changing contacts, of worn gear assembly, replacing of worn out bearing oil seals, ‘O’ rings, gaskets, etc., in order to ensure fiction from operations of tap changing and oil leakage from diverter switch mechanism housing resistance by new one which will be supplied by departmentally, cleaning the diverter switch housing chamber to remove the carbon deposit lowering the serviced diverter switch inside the housing chamber and aligning the centre shaft by using lock nut, bolt and washers tighting of resistor conductors carefully without causing damaged to the nearby the contact refilling the good quality high BDV value insulation oil to the diverter switch housing chamber (oil will be supplied by the department adjusting the micro switch NO NC contacts and lifting liver for its proper function and covering the chamber by fixing the lid on the top and cleaning the oil gauge indicator with soap water, after drying refix the same testing the operation of tap changing system by giving upto 440 Volts supply from tap position 1 to 25 after satisfactory charging over of all 25 taps in forward and reverse direction. Complete with all lead and lifts & as directed by the Engineer-in-charge.

code05 - Reconditioning of RTCC Panel and modification for SCADA compatability, replacement of all types switches, indicating lamps, annunciator windows, ROTI, RWTI, Tap position indicator etc, if required. Complete with all lead and lifts & as directed by the Engineer-in-charge.

code06 - Supervising and Commissioning of Transformer 66/11Kv Class. Complete with all lead and lifts & as directed by the Engineer-in-charge.

code07 - Supplying and installation of RUBBER MAT 1mtr x 1mtr -1Omm thick.complete including cost of materials, labour, usage charges of machinery. Complete with all lead and lifts & as directed by the Engineer-in-charge.

code08 - Rubberised corksheet/Neoprene rubber Gaskets as necessary for complete Transformer , 110 kV and below class. Complete with all lead and lifts & as directed by the Engineer-in-charge.

code09 - Supplying and fixing of Dehydrating Silicagel Breather Assembly. Complete with all lead and lifts & as directed by the Engineer-in-charge.

code10 - Silica gel. Complete with all lead and lifts & as directed by the Engineer-in-charge.

code11 - Tools & Plants : SF6 Gas filled in 50 kg Cylinders (including non returnable carbon steel cylinders. Complete with all lead and lifts & as directed by the Engineer-in-charge.

code12 - Filtration of oil using filter set of the contractor to bring the insulation value to I.E. specification. Complete with all lead and lifts & as directed by the Engineer-in-charge.

code13 - 66Kv SF6 Breaker- overhauling, servicing and Replacement of Faulty component like, actuator coils, switches, spring charging motor, Arresting gas leakage, refilling of SF6 gas etc. and all other Faulty components, including routine standards testing and commissioning etc. Complete with all lead and lifts & as directed by the Engineer-in-charge.

code14 - C&R Panels of 66KV Incomer and Transformers,-Overhauling, servicing and Replacement of Faulty Components like relays, Switches, indicators, CT/PT, Meters and all other faulty components, including testing and calibration of protective system etc. Complete with all lead and lifts & as directed by the Engineer-in-charge.

code15 - Battery charger for 110V 100AH -Overhauling, servicing and Replacement of all Faulty component like, testing. Complete with all lead and lifts & as directed by the Engineer-in-charge.

code16 - 66 kv CTs -Overhauling, servicing and Replacement of Faulty component like, gaskets, bushes, topping of oil and Painting and all faulty components etc. Testing. Complete with all lead and lifts & as directed by the Engineer-in-charge.

code17 - 66 kv PTs -Overhauling, servicing and Replacement of Faulty component like, gaskets, bushes, topping of oil and Painting and all faulty components etc. Testing. Complete with all lead and lifts & as directed by the Engineer-in-charge.

code18 - 66 Kv Isolators -Overhauling, servicing and Replacement of faulty components like connectors, blade and all faulty components, etc. Complete with all lead and lifts & as directed by the Engineer-in-charge.

code19 - 11/6.6Kv/433v, 100 Kva Auxiliary Transformer- Oil Leakage arresting, gasket replacement, oil filtration, topping up oil, painting, testing and commissioning etc. Complete with all lead and lifts & as directed by the Engineer-in-charge.

code20 - 66 Kv LA Reconditioning Replacement of faulty connectors and Mechanical alignment etc. Complete with all lead and lifts & as directed by the Engineer-in-charge.

code21 - Over head Hoist up to 20+5 Tonns Capacity- Overhauling and servicing of Motors, rope, Guider, Control Switches, Mechanical Spares, greasing and replacement of all Faulty components and Testing etc. Complete with all lead and lifts & as directed by the Engineer-in-charge.

code22 - Supplying of Hand gloves. Complete with all lead and lifts & as directed by the Engineer-in-charge.

code23 - Work of repairing and servicing of capacitor isolator panel of motors as specified below: A) Dismantling the closing and tripping mechanism, removing the broken, closing lever, cylinder, moving contact tips, and service the entire mechanism, Providing and fixing the new closing lever full set cylinder, moving contact tips, etc., check the electrical circuit,replacement of burnt out LED Indication lamps etc., finally the panel should be tested for its running satisfactorily. B) Draining out contaminated breakdown oil completely form reactors, flushing of windings in the reactors with jet force of good BDV. Value transformer oil, cleaning of windings and flushing of carbon deposition over the windings in all the three phase of reactors, removing the terminals and cleaning the terminal bushings with carbon tetrachloride solution, checking of resistance of the windings of the correct value in all the three phases, filling the new oil with break down voltage value. Complete with all lead and lifts & as directed by the Engineer-in-charge.

code24 - Working of repairing and overhauling of upto 800/1600 amps as specified below: Complete dismantling of breaker units of upto 800 amps breaker of filter house taking out the fixed and moving contacts of all the poles, cleaning and putting back with necessary lubrication and checking of complete electrical circuit for proper closing and tripping including necessary replacement of ‘V’ bar contact, finger contact, contact tips,arching contact, tripping and closing coil, back housing set, with female contacts, panel fixed contact set including hylem sheet with contacts, gasket and dash pit oil etc., Testing of tripping and closing mechanism in order to ensure easy of operation of the breaker and commissioning of the system as per the standard practice without interruption of power supply, Raplacement of all Faulty components and calibration etc. Complete with all lead and lifts & as directed by the Engineer-in-charge.

code25 - Supplying fixing and wiring earth electrode for grounding of lifts,transformers,DG setsetc.using40mm dia 2.9mm thick 2.5mlong GI pipe with GI funnel with mesh and suitable size reducer fixed on the top of the earth electrode.The funnel should be enclosed in a CC chamber of 400x400x400 mm with a cast iron cover. The earth electrode shall staggered holes of 12mm dia and the electrode should be covered 150mm all-round with alternate layers of salt and charcoal from the bottom of the CC hamber.The connection from the electrode is to be established through GI strip using GI bolts and nuts. Complete with all lead and lifts & as directed by the Engineer-in-charge.

code26 - Supplying heavy gauge PVC conduit pipe 19/20 mm dia 2 mm thick confirming to IS 2509 with suitable size bends, junction boxes, adhesive paste etc , and fixing using inverted wood plugs in case of RCC ceiling and RCC wall/ stone structure or rawl plugs in case of brick walls and cement plastering the damaged portion using heavy gauge saddles at an interval of 700mm using NF screws. Complete with all lead and lifts & as directed by the Engineer-in-charge.

code27 - Supplying and wiring adopting loop system in existing PVC Conduit /casing capping using 2x1.5Sqmm (Phase & Neutral) & 1x1.0 sqmm (Earth wire) FRLS multi strand PVC insulated copper wire (confirming to IS-694: and latest amendments) with a 6Amps flush type SP control switch shall be fixed on the existing plastic sheet/ gang box, the other end of the wires shall be terminated with sufficient loose length in a wood/PVC round block. complete for each outlet. Medium point above 3Mtr upto 6Mtr from tapping point to out let via switch. Complete with all lead and lifts & as directed by the Engineer-in-charge.

code28 - Supplying and wiring adopting loop system in existing PVC Conduit /casing capping using 2x1.5Sqmm (Phase & Neutral) & 1x1.0 sqmm (Earth wire) FRLS multi strand PVC insulated copper wire (confirming to IS-694: and latest amendments) with a 6Amps flush type SP control switch shall be fixed on the existing plastic sheet/ gang box, the other end of the wires shall be terminated with sufficient loose length in a wood/PVC round block. complete for each outlet. Medium point above 3Mtr upto 6Mtr from tapping point to out let via switch Long point above 6Mtr upto 10Mtr from tapping point to out let via switch. Complete with all lead and lifts & as directed by the Engineer-in-charge.

code29 - Supplying and fixing/replacing of fluorescent tube of 65 to 80W . Complete with all lead and lifts & as directed by the Engineer-in-charge.

code30 - Supply of LED floodlight luminaire with pressure die cast aluminium housing body for optimal thermal dissipation. Lamp compartment comprising of anti glare clear diffuser with Injection moulded polycarbonate/clear glass material, delivering superior light output Rated life Burning Hrs 50000 hr@ Lumen Maintenance of 70%, CCT greaterthan 5500K, IP66 optical and electrical compartment & impact resistance of complete luminaire greaterthan IK08. Power Factor greaterthan 0.9with mains, Surge Protection- Min 5KV along with Over voltage/ Overload, short circuit/ miss-wiring protection. Compatible for pole mauling with outer dia of 40mm to 50mm.Universal Voltage driver to operate wide voltage range from100Vto270V 50/60Hz application. Compliance to IS10322/ IEC 60598, LM79 & LM 80 Adherence with RoHS. UL approved MCPCB. Top access street light with single screwto ensure ease of maintenance at the sight site location with minimized minimal tools. LED Light fixture with ....... W System Power consumption. LED Efficiency greaterthan 1301m/w, nominal CRI greaterthan 75. Luminaire manufacturer should have in- house facility accredited by NABL / CPRI & any Government certified agency & Design & Development facility certifiedby ISO 9001:2008.Housing with supplier wordmark/nameshallbe Engraved/Embossing on the die cast housing/Bodypart Warranty of 2 Years against any manufacturing defect working under standard electrical conditions as mentioned aboveshould be given by LED manufacturer & Cree/Nichia/ LED Flood light 100W. Complete with all lead and lifts & as directed by the Engineer-in-charge.

code31 - Supply of LED Streetlight luminaire with pressure die cast aluminium housing body for optimal thermal dissipation. Lamp compartment comprising of anti glare clear diffuser with Injection moulded poly carbonate material, delivering superior light output Rated life Burning Hrs 50000 hr at Lumen Maintenance of 70 percent, maximum light intensity should be between 60degrees to70degrees. CCT greaterthan 5500K, IP66 optical and electrical compartment & impact resistance of complete luminaire greaterthan IK08. Power Factor greaterthan 0.9 with mains, Surge Protection-Min5KV along with Over voltage Overload, short circuit miss wiring protection. Compatible for pole mounting with outer dia of 40mm to 50mm.Universal Voltage drivert ooperate wide voltage range from100Vto270V 50/60Hz application. Compliance to IS 10322/IEC60598, LM79 &LM80 Adherence with RoHS.ULapproved MCPCB. Top access street light with single screw to ensure ease of maintenance at the sight site location with minimized minimal tools. LED Light fixture with W System Power consumption. LED Efficiency greaterthan 1301m/w, nominal CRI greaterthan 75. Luminaire manufacturer should have in-house facility accredited by NABL/CPRI & any Government certified agency & Design & Development facility certified by ISO 9001:2008. Housing with supplier wordmark/name shall be Engraved /Embossing on thedie cast housing/ Body part.Warranty of 2Years against anymanufacturing defect working under standard electrical conditions as mentioned LED Streetlight 90W. Complete with all lead and lifts & as directed by the Engineer-in-charge.

code32 - Releasing of CTs and wiring including movement from the point of unloading to the point of errection. Complete with all lead and lifts & as directed by the Engineer-in-charge.

code33 - Supplying of Oil filled Current Transformer 0.2s class with terminal connector suitable for Al. tube/conductor with marshalling box etc., complete as per technical specification. 66KV class-200-100-1-1-1A or 150-75/1-1-1A. Complete with all lead and lifts & as directed by the Engineer-in-charge.

code34 - Errection of CTs and wiring including movement from the point of unloading to the point of errection. Complete with all lead and lifts & as directed by the Engineer-in-charge.

code35 - Assisting in Testing and Commissioning of Current Transformer. Complete with all lead and lifts & as directed by the Engineer-in-charge.

code36 - Wiring: Inspection of wiring, ferruling, crimping of lugs, connections in CT, marshalling box & control panel, extension of earth mat etc., Complete with all lead and lifts & as directed by the Engineer-in-charge.

code37 - Testing and Commissioning of CT: Insulation resistance, polarity, ratio, excitation, Core identification, tan-delta & capacitance test.. Complete with all lead and lifts & as directed by the Engineer-in-charge.

code38 - Jelly Spreading (20-25 mm) : Supplying and providing jelly in the station yard of uniform thickness of 100 mm including the cost of materials, labour charges, required tools and plants etc., Complete with all lead and lifts & as directed by the Engineer-in-charge.

code39 - Supplying of four bucket stand along with buckets. Complete with all lead and lifts & as directed by the Engineer-in-charge.

code40 - Caution/Danger Board. Complete with all lead and lifts & as directed by the Engineer-in-charge.

code41 - Painting with aluminium paint of approved brand and manufacture to give an even shade: One coats on old work as per specifications. Complete with all lead and lifts & as directed by the Engineer-in-charge.

code42 - Supplyand installationof 5kg Fire Extinguisher Mono Ammonium Phosphate Powder90, Stored Pressure Type, Pressure Gauge, Gross Weight 7. Kg, empty weight 2. 7Kg, Can Height 264 MM, Diameter 240 MM, DischargeTime less than 8Sees, Controllable discharge echanism(Squeeze grip with easys nap safety seal),Range minimum 10meters, applicable on ClassA,8,C and electrically started Fire,Can construction CE Approved: Deep drawn&Co., Migwelded, valve Construciton:Forging and Mechining, InternalCoatingof Can: Epoxy powder coating, External Coating of Can:Epoxy Polyster power coating, Sheetmetal thickness:2.00MM, Tested, 5years warranty. etc., including cost cost of supporting materials like MS stand & accessaries if it is fixingn floor /MSbrackets & accessories if it is fixing on wall,, labour, usage charges of machinery complete as per specifications. Complete with all lead and lifts & as directed by the Engineer-in-charge.

code43 - LT Panels- Overhauling, servicing and Replacement of all faulty components, Testing and wiring etc. Complete with all lead and lifts & as directed by the Engineer-in-charge.

code44 - Temperature Scanner of all motors Overhauling, servicing and Replacement of all faulty components, Testing etc . Complete with all lead and lifts & as directed by the Engineer-in-charge.

code45 - Calibration of all electrical equipment’s inside the 66/6.6KV Substation, Control Room and pump house of lift schemes and detail report to be submit. Complete with all lead and lifts & as directed by the Engineer-in-charge.

code46 - All Earthing Pits inside the sub station, control room and pump house electro-mechanical equipment’s body earthing pits(for/up to 10 Earth Pit) resistance value must be checked and take corrective measures for maintain standard resistance value. And check condition of GI flat/wire connecting to earth pit and replace adding water, Slat, Charcoal complete etc.. Complete with all lead and lifts & as directed by the Engineer-in-charge.