|
| 1 | Cleaning and connection tightness checking of one set of CVT/ LA /Post Insulator. |
| 2 | Cleaning and connection tightness checking of Bushings /Wave trap in one phase . |
| 3 | Ensuring tightness of 400KV connectionin one equipment in one phase of a bay (without equipment cleaning) |
| 4 | Cleaning and tightness checking of Suspension / Tension Insulator ( Polymer) with Jumper connector and structurein one phase . |
| 5 | Replacement of damaged insulator strings in 400KV switchyard gantry/tower, TG A-row e.t.c |
| 6 | Replacement of CVT/LA/Post Insulators/Wavetrap including removal and reconnection of terminal connectors, 400 KV moose conductors and jumpers |
| 7 | Disconnection & Reconnection of moose conductorfrom HV terminals of 400 KV bushing of Transformer/Reactor ( Per phase) |
| 8 | Replacement of Jumper between Overhead line and Bushing / CVT in one phase and ensuring tightness of hardware of all related O/H connections. |
| 9 | Operation of Articulated Boom Lift |
| 10 | Stringing of Moose conductorin AIS yard |
| 11 | Jointing of snapped 400KV OH line in switchyard |
| 12 | PM of CVT Marshalling box/Junction box |
| 13 | Recovery of gas, vacuuming andSF6 gas filling in GIS duct compartment |
| 14 | SF6 gas top up in GIS duct compartment |
| 15 | Assistance for internal inspection of a section and replacement of PRD/view glass/molecular filters in GIS duct compartment and box up or Replacement of SF6 pressure gauges / density switches in GIS ducts |
| 16 | SF6 gas leak detection in GIS components like PRDs, pressure gauges, valves, flanges, joints etc. |
| 17 | Oil top up in breaker pole in case of low oil level |
| 18 | Assistance for Insulation spacer replacement |
| 19 | Assistance for replacement of Bus support insulator /surge arrester/ male or female or both contacts of bus bar or isolator or earthswitch/gas valve replacement |
| 20 | Assistance for replacement ofGIS Breaker fixed main/ fixed arcing/ moving main/ moving arcing contact/ nozzle/ nozzle cover |
| 21 | Assistance for replacement Isolator/Earth switch operating mechanism/ CT/PTin GIS as per scope |
| 22 | Assistance for dismantling and reinstallation /replacement of gas compartments other than breakers or400KV breaker poleor SF6 to air bushing in one phase |
| 23 | Assistance in replacement of individual components in breaker operating mechanism as listed in SOW |
| 24 | Removal & Refillinghydraulic oilin Breaker hydraulic oil tank |
| 25 | GIS bay daily checks as per the scope |
| 26 | Weekly Downloading of data from SEMs and Monitoring of CVT secondary voltages |
| 27 | Cleaning of bus ducts inside GIS |
| 28 | Cleaning of bus ducts outside GIS |
| 29 | Cleaning of Panels |
| 30 | Weekly Operational and Maintenance checks as per the scope in GIS |
| 31 | Assistance in Electrical Testing |
| 32 | Weekly IR Thermovision Scanning & Overhead conductor monitoring in Switchyard |
| 33 | Maintenace of SF6 Gas Liquefaction machine |
| 34 | Shifting of SF6 Liquefaction Machine |
| 35 | Cleaning jobs inside the switchyard- weed removal, levelling of metal, cleaning of drainage, any other miscellaneous jobs |
| 36 | Daily checks on Lightning arresters , Battery and Battery charger. |
| 37 | 220V Battery bank cleaning |
| 38 | 48V Battery bank cleaning |
| 39 | Top up of Electrolyte in Ni Cd battery banks |
| 40 | Diesel Engine Battery cleaning & tightness check |
| 41 | Weekly Battery Room Cleaning |
| 42 | Ni-Cd Battery bank Capacity testing |
| 43 | Full set readings of 220V Battery bank |
| 44 | Full set readings of 48 V Battery bank |
| 45 | Readings of Diesel Engine Battery |
| 46 | Replacement of Diesel Engine battery |
| 47 | Replacement ofcells in Ni Cd Battery banks |
| 48 | Conditioning of new cells for replacement. |
| 49 | Boost Charging of Ni Cd Battery bank |
| 50 | Identification of DC earth fault |
| 51 | PM Jobs onDG set as per the scope |
| 52 | PM Jobs of DAVR / GRP |
| 53 | Splicing & termination of Optic Fibre Cable terminationas per the scope |
| 54 | RJ 45 cable crimping and termination as per scope |
| 55 | Packing Numerical relays/electronic cards/ electrical test equipmentsfor dispatch to vendor premises by courier. |
| 56 | Replacement of Protection/control relaysin control panels |
| 57 | Attendingminor control circuit problems / condition monitoringof equipment |
| 58 | Weekly monitoring, stock keeping & upkeeping of testing equipments/spares |
| 59 | Preventive Maintenance of Control / Protection Panels |
| 60 | 110V Ni Cd Battery cleaning |
| 61 | Full set of 110V Ni Cd Battery bank |
| 62 | Painting of Support structure for Insulators at Turbine building |
| 63 | Testing of11KV,33KVtransformers |
| 64 | Testing of GT/ST/UT |
| 65 | Assistance during SCC/OCC Testing of Generator |
| 66 | Assistance for Relay testing /relay configuration / CT stability testing |
| 67 | Providing scaffolding at locations for maintenance works |
| 68 | Providing of 20T tyre mounted crane/hydra with telescopic extendable boom up to 50 feet along with operator & diesel |
| 69 | Providing of 12T hydra crane along with operator & diesel |
| 70 | Providing tractor with trailor alongwith driver on hire basis for shifting of materials. |
| 71 | Shifting of materialseither manually or by hand trolley |
| 72 | Collecting & Shifting of DM water from DMplant to switchyard |
| 73 | Supply of skilled manpower for unscheduled works/overhaul/major breakdown works |
| 74 | Supply of unskilled manpowerforunscheduled works/overhaul/major breakdown works |
| 75 | Painting jobs /Miscellaneous fabrication jobs invloving Metal Cutting/Welding/Drilling etc. |
| 76 | Maintenance of earth pit |
