Tender For Nctppiii - Electrical Maintenance Ii; 1 Charges for carrying walk down check/monitoring all HT/LT Boiler auxilares motors as instructed by our maintenance engineer in charge. 2 Charges for external cleaning of 6.6kV HT motors as directed by engineer incharge 3 Charges for external cleaning of 415V LT motors above 7.5 KW and upto 200 kWas directed by engineer incharge BTG and peripherals. 4 Charges for external cleaning of LT motors below 7.5 kW upto 0.37 kW as directed by engineer incharge BTG and peripherals 5 Charges for preventive maintenance for 11&6.6kV HT motors 1.Checking of HT motors power cable terminal tightness at motor and space heaters2.MeasuringWinding resistance and IR value3.Greasing of HT motors4.Attending minor repairs an defects handling of equipments if required as directed by engineer incharge 6 Charges for preventive maintenance for 415V LT motors 7.5kW and above1.Checking of LT motors power cable terminal tightness at motor and space heaters2.MeasuringWinding resistance and IR value3.Greasing of LT motors 4.Attending minor repairs and defects handling of equipments if required as directed by engineer incharge 7 Charges for preventive maintenance for 415V LT motors below 7.5kW1.Checking of LT motors power cable terminal tightness at motor and space heaters2.MeasuringWinding resistance and IR value 3.Greasing of LT motors4.Attending minor repairs and defects handling of equipments if required as directed by engineer incharge 8 GeneralCleaning and checkingof Local Push Buttons in various locations of ID, FD, PA, Mills, APH, Scanner Air Fan, Mill rejects, Seal Air fan, BCW motor, Plant Air Compressor, Mill Rejection System, Hoists for ID, FD, PA &BCWmotors 9 Charges for shifting of mill motors to repair bay and spare motor from permanent stores to location 10 Refixing of spare PA/ID/FD motor including blue matching of bed hood modification, refixing, cable termination, earth connection. 11 Shifting of PA/ID/FD motor from location to repair bay and shifting of spare motor from stores to location. 12 Removing of coupled from old motor and refixing in new spare motor including oil bath, in the Plant Air Compressor, Auxilary Boiler ID fan, Auxilary Boiler feed pump and BCW pump. 13 Shifting of Seal air/scanner air fan motor from location to stores/repair bay. 14 Labour charges for removing the damage and replacing the power circuit and control circuit wiring in juction box, pendant fastoon trolley remodification work, replacing the damaged push buttons and wiring work in pendant of hoists in boiler and its auxilaries area. 15 Charges for transportation and erection of spare 415V LT above 90 kW and upto 200 kW from stores and unloading of spare motor from stores to location. Shifting of repaired motor from location to pocket stores/repair bay as directed by engineer incharge 16 Removing motor shaft coupler from old motor and refixing in new spare 415V LT Motor above 90 kW and upto 200 kW motor, as directed by engineer incharge. 17 Charges for cleaning light fittings shades, glass, ballast and other related accessories of various ratings in service below 6 mtr height in peripheral buildings once in one year. 18 Charges for cleaning light fittings shades, glass, ballast and other related accessories of various ratings in service above 6 mtr height in peripheral buildings & Street lights once in one year. 19 Charges for Monthly LDB Cleaning and tightness checking in peripheral Buildings 20 Charges for Monthly cleaning of LP box and tightness checking of terminals in peripheral Buildings 21 Charges for Complete overhauling and maintenance of Welding DBs in Peripheral buildings 22 Charges for bimonthly routine inspection of transformer yards(ST, GTs, UTs and UATs) and service buildings decorative lamps , its pillar boxes, faulty lights, cables and MCBs, and minor repair works. 23 Charges for attending circuit fault of light fittings and receptacles at various locations / elevations of peripheral buildings with required T&Ps 24 Charges for Defective replacement /Repairing of light fittings shades, glass, ballast and other related accessories of various ratings in service below 6 mtr height in peripheral buildings. 25 Charges for Defective replacement/ Repairing of light fittings shades, glass, ballast and other related accessories of various ratings in service above 6 mtr height in peripheral buildings. 26 Charges for replacement/repairing of burnt/failed MCBs in LP boxes in peripheral Buildings 27 Charges for rewiring of LP including dismantling in peripheral Buildings whenever main fault occurs. 28 Charges for replacement/repairing of worn-out / damaged junction box in peripheral Buildings 29 Charges for Charges for Defective replacement / Repairing of light fittings shades, glass, ballast and other related accessories of various rating like200W are in service above 6 mtr height / LED fittings in Plant street lights 30 Charges for replacement/repairing of worn-out / damaged junction box in street lights 31 Charges for identification/attending of fault in LT cables of Street lights including excavation of pit, releasing the fault cables. 32 Charges for identification/attending of fault intransformer yards(ST, GTs, UTs and UATs) and service buildings decorative lamps, its pillar boxes, faulty lights, cables and MCBs. 33 Daily Maintenancea)Observing for any abnormal noise or vibration in bus ducts, breakers, HVR transformers, CERM,EERM,GDRM motors, modules at ESP switch gear. b) Monitoring the oil temperature indicator, silica gel level, breather oil level, disconnecting switch position ,PRV, MOG, oil leakage at HVR transformers c) Monitoring the condition of support insulator, shaft insulator and hopper heaters.d) Observing the Field and RAPCON panels for any abnormality. 34 Weekly Maintenance1.External cleaning of a).All LTMSB panel in ESP areab).All ACP panel in ESP areac). ESP Electronic control panels.d).ESP ID Fan area panels. 2. Marshalling boxes to be cleaned, illumination, space heaters, terminal connection of control and relay wiring to be checked.3.Checking of all the relays, alarms, control switches, relay and control panels, remote tap changer, control panels. 35 Monthly maintenanceChecking tightness and termination of HVR transformers both at EC panel end and field end. Also, oil level in the silica gel breather of HVR transformer. 36 Monthly maintenance Carrying out routine maintenance works in modules of ESP LTMSBs & ACPs by checking tightness of terminations, rack in - rack out operations and Healthiness of Fuses. 37 Quarterly maintenance Cleaning HVR transformers, Replacement of Silica gel, and Breather oil. Carrying out light load test. And also oil top up if required. 38 Charges for dismantling ESP - failed HVR Transformer from ESP Roof top to `0’ meter level and shifting the failed HVR Transformer `0’ meter to NCTPP-III stores for devolution works Including cost of lifting, lowering Hoist available in 32 mtr and Transporting new spare HVR Transformer from NCTPP-III stores to `0’ meter level/ESP and `0’ meter to ESP Roof top. Erection & commissioning of New spare HVR Transformer in location ( Including cost of lifting, lowering and transporting charges and hire charges for tools & plants, chain block etc. 39 Charges for attending breakdown/fault works in LT module and its related panels and checking the condition and monitoring of mechanisms, tightness checking of all terminals, etc. as per the direction of engineer incharge. 40 Labour charges for removing the damage and replacing the power circuit and control circuit wiring in junction box, pendant fastoon trolley remodification work, replacing the damaged push buttons and wiring work in pendant of cranes/hoists of various kW ratings 41 Routine checking of HT Cable route and Terminations - Walk down throughout the route of the cable to check any cable abnormalities: 1.Cable insulation damage,2.Noises in Cable joints,3.cable tray damage,4.Rodent disturbances,5.damage of cable dressing, 6.Trees and bushes intervention,7.corrosion of supports,etc. 42 Charges for various sizes of LT power, control, instrumentation and lighting cables cleaning, dressing, binding and relaying in the cable trays in cable trays erection areas 43 Charges for Cleaning the fly ash, coal dustdeposit from the cable trays with air in Boiler, Mill, ESP and ID fan area and binding of disturbed cables while cleaning. 44 Charges for Maintenance of TG building lift, Service Building, Lift, Chimney Lift, ESP lift and Admin building lift. Cleaning of all panels in lift, control/power modules, Battery Units and checking the tightness of terminals as per direction of Engineer incharge. 45 Charges for laying /dismantling / relaying HT 11kV 1CX240 Sqmm,11kV 1CX630 Sqmm &Armoured Aluminium Power cable including loading, transporting & unloading of cable from central stores to site and devoluting the remaining to the stores. 1. Dismantling by removing the trafoils, and removing cable from the cable tray without any damage. 2.Relaying the cable of same size, in the same route without damage to insulation of the cable, and dressing the cable with self-locking, de-interlocking nylon strips. 3.Using appropriate gland size for the cable and ensuring the tightness of the gland, and ensuring the insulation of the cable around the gland.4.Termination of the cable with suitable End termination kits. 46 Charges for laying /Dismantling /relaying HT 6.6 kV 3CX120 Sqmm , 6.6kV 3CX95 Sqmm, 11kV 3CX185 Sqmm & 11kV 3CX240 Sqmm Armoured Aluminium Power cable including loading, transporting & unloading of cable from central stores to site and devoluting the remaining to the stores.1. Dismantling by removing the trafoils, and removing cable from the cable tray without any damage. 2.Relaying the cable of same size, in the same route without damage to insulation of the cable, and dressing the cable with self-locking, de-interlocking nylon strips. 3.Using appropriate gland size for the cable and ensuring the tightness of the gland, and ensuring the insulation of the cable around the gland.4.Termination of the cable with suitable End termination kits. 47 Charges for dismantling/relaying/glanding , of various sizes of LT power, control cables and instrumentation cables from various locations I) 1CX 16 / 35/ 120/400/630 sqmm.II)2CX2.5/4/6/10/25/50/95,III) 3C X 2.5 / 10/16/25/50/95/150/185/240IV) 4CX10 sq.mm Armoured Aluminium Power cable. 1. Dismantling by removing the nylon strips or trafoils, and removing cable from the cable tray without any damage. 2.Relaying the cable of same size, in the same route without damage to insulation of the cable, and dressing the cable with self-locking, de-interlocking nylon strips. 3.Using appropriate gland size for the cable and ensuring the tightness of the gland, and ensuring the insulation of the cable around the gland.4.Suitable crimping type cable lugs for power/control/instrumentation cables shall be provided type of terminals of the equipments 48 Charges for HT/LT Straight through joints of1) 1CX 16 / 35/ 120/400/630 sqmm.2)2CX2.5/4/6/10/25/50/95,3) 3C X 2.5 / 10/16/25/50/95/150/185/2404) 4CX10 sq.mm Armoured Aluminium Power cable.1.Aluminium conductor oxide film shall be completely removed by scraping or flux.2.Standard procedure using suitable heat shrink straight through joint kits
