servicing calibration and complete overhauling of 33 kv ht breaker vacuum type sf6 gas operated breaker of 1600 amp rating outdoor type mounted in 33 kv switch yard of existing make ie crompton greaves typemodecapacity by taking out 33 kv trolley from ht panel after switching off electric supply checking of all mechanical electrical control system for proper functioning eg spring charge system triping system remote operation indication system upward-downwardin-out movement of ht 33 kv breaker trolley etc including diassembling of operating mechanism parts well cleaning with petrol and crc-226 and replacing unserviceable spare parts reassembling of parts including well cleaning the complete panel board main busbar decarbonizing all joints busbar cts pts spouts metal parts applying the proper lubrication greasing with ap-3 grease and making 33 kv breaker perfect operating in manual and electric mode and calibration checking of indoor control panel of 33 kv circuit breaker by chechingh of tripping system through idmt over current and earth fault relay at plug setting through primary current injection method to ensure proper function of trip coil control circuit etc during fault condition setting by expert from authorised engineer and agency of authorised company of circuit breaker including submission of calibration certificate complete all as specified and directed note- replacement of unsv spare parts required to make 33 kv circuit breaker functional will be measured and paid separately as supply fixing under respective items, sf tnc control switch complete all as specified and directed, sf panel heater thermostat switch complete all as specified and directed, sf closing coil complete all as specified and directed, sf auxillary relay for buchholz relay oil temp winding temp trip 24110v dc as per exsting complete all as specified and directed, sf master relay 24110v dc as per existing complete all as specified and directed, sf remote local switch as per exsting complete all as specified and directed, supply fixing connecting and testing spring charging motoruniversal motor for outdoor type 33 kv vcb operated on 230 volts ac dc with charging time less than 15 sec of approved rating complete all as specified and directed by eic make - delco or equivalent make as approved by age i, supply and fixing of 33 kv 50 hz single phase oil filled inductive potential transformer outdoor type ratio - 33sqrt3110sqrt3 two secondary windings voltage factor - 12 continuous 15 for 30 sec creepage 900 mm windding - 1 class-10 100 va suitable for 33 kv complete all as specified and directed by engr-in-charge, sf in replacement vaccum interrupter unit of 33 kv out door type circuit breaker complete with insulator and assembly 630 amps rating all including assembling testing and commissioning at site complete all as specified and directed, supply and fix in replacement auxilary relay 110-250 volt dc suitable for over current earth fault switch gear protection complete all as specified and directed make- alsthom model no- vaa21zg8502fm or technocommercialy equivalent as approved by agei, supply and fix in replacement of 33 kv numerical 3 phase over current 1 earth fault switchgear protection relay with instantaneous high set and programmable output to simplify feeder protection wiring etc complete and testing on completion make- crompton model no cgl14c or technocommercialy equivalent as approved by agei, supply and fixing testing commisioning of electro mechanical type under overvoltage protection relay for 11 kv of make- alstom or equivalent make including neccesary wiring complete all as specified and directed note all tp accesories for testing is carried out by contractor and no extra payment to be done for testing, supply and refilling of sf6 gas suitable for ht 33 kv breaker complete all as specified and directed, sf in replacement indication lamp led type red or yellow or green or blue colour suitable for 24 v to 100 volts dc as required at site complete all as specified and directed by eic, supply and fix in repair ampare meter ammeter with digital display suitabale for measuring 33 kv electrical parameters fixed in existing panel board etc complete all as specified and directed make- secureaeschneider, supply and fix in repair voltmeter with digital display suitabale for measuring 33 kv electrical parameters fixed in existing panel board etc complete all as specified and directed make- secureaeschneider, sf in repair of strip type heater 4060 watt approx 46 in length including replacement of burnt internal wiring thermostat cut out complete all as specified and directed, ml for repair testing of control cablewiring between 3311 kv vcbs and power transformers including replacement of unserviceable and damaged cablewire with suitalbe size with connector and thimble complete all as specified and directed note control cable made up of copper will be measured and paid separately, sf in replacement of us control cable with copper conductor pvc insulated sheathed armoured of size 15 sqmm 8 core complete all as specified and directed, sf in replacement of us control cable with copper conductor pvc insulated sheathed armoured of size 15 sqmm 4 core complete all as specified and directed, servicing and maintenance of floating cum boosttrickle battery charger bank cum tripping unit for properly working on input voltage 230 v ac and output voltage 24 v dc 120 amp including replacement of us indicating lamp and meter complete all as specified and directed, supply fixing in replacement of rechargeable sealed lead acid battery maintenance free of capacity 2 volt 100 ah for breaker panel charger to provide 24 v dc supply to 33 11 kv vcbs complete all as specified and directed, servicing calibration and complete overhauling of oltc on load tap changer of 3150 kva 33kv11kv transformer of make crompton greaves after switching off electric supply checking of all mechanical electrical control system for proper functioning eg spring charge system triping system remote operation indication system upward-downwardin-out movement of tap changing mechanism oil level and winding condition heater assembly gears movements etc including diassembling of operating mechanism parts well cleaning with petrol and crc-226 and replacing unserviceable spare parts reassembling of parts including well cleaning the complete decarbonizing all joints busbar cts pts spouts metal parts applying the proper lubrication greasing with ap-3 grease and making oltc perfect operating in manual and remote control mode and calibration checking of indoor control panel rtcc remote tap changer control panel by checking of tripping system and wiring of tap changer on remote and manual mode for increace of tap and decrease of tap positionsthrough avrautomatic voltage regulating relay relay and to ensure proper function of tap changing mechanism by expert from authorised engineer and agency of authorised company of circuit breakerand transformer including submission of calibration certificate complete all as specified and directed note- replacement of spare parts required to make 33 kv oltc of 3150 kva transformer in functional condition will be measured and paid separately under respective items, supply fixing and testing of automatic voltage regulating avr relay control assembly work on aux supply 90v-260v acdc and pt supply -110 volt complete of on load tap changer control rtcc remote tap changer control panel of 3150 kva 33kv11kv transformer of make cromton greaves complete all as specified and directed, servicing and maintenance of three phase induction motor of capacity 13 hp 415 volts 50 hz along with servicing of gear sets used in oltc of 3150 kva transformer alongwith servicing of mechanical movable parts and accessories of tap changing mechanism on manual and remote mode including checking of contactors fuses and thermostatswithces complete all as specified and as directed, sf in replacement pin type porcelain vitreous white brown or green insulator including one galvanised mild steel spindle two galvanised iron washers and one galvanised iron nut 150mm height 150mm dia for 33000 volts grade complete all as specified and directed, sf in replacement ht 33 kv post insulator including fixing arrangements complete all as specified and directed, ml for disc type insulator porcelain vitreous in single disc assy for tension with tension clamps for conductors working pressure 33000 volts of specified size complete all as specified and as directed, supply and install ht 33 kv630 amp ht bushing insulator including fixing arrangements for 315 mva transformer complete all as specified and directed, ml in replacement spindle for pin insulator suitable for 33000 volts grade complete all as specified and as directed by engr-in-charge, ml for servicing repairs to air-break switch isolator off load rotating type 33 kv 800 amps to 1250 amps capacity with proper alignment of isolator rotating blades with fixed contact jaws arcing horns applying petrolium jelly to moving mechanism cleaning and lubricating to isolator gear box assembly tightening all nuts bolts and clamps of jumpers etc repairing to isolator gear box assembly and making in proper serviceable condition for smooth functioning testing and commissioning on load complete all as specified and directed, supplying and fixing in repairs malemoving contact rotating blade of hde copper silver plated of air brake off load isolator switch rotating type 33 kv 1250800 amps capacity with all fixing nuts bolts etc complete all as specified and directed, supplying and fixing in repairs fixed contacts made of hde copper silver plated of air brake off load isolator switch rotating type 33 kv 1250800 amps capacity with all fixing nuts bolts etc complete all as specified and directed, supplying and fixing of terminal pad for air brake off load isolator switch rotating type 33 kv 1250800 amps capacity complete all as specified and directed, supply and install ht 33 kv drop out fuse with double stack channel type insulator including fixing arrangements all as specified and directed, supply and install ht 33 kv jaw clamp including fixing arrangements all as specified and directed, ml for lightining arrester expulsion type set of three as per existing makemodelcapacity to be fixed on existing structure complete with all fitting transmission class discharge capacity 65 kilo amps suitable for 33000 volts incl taking down old one etc complete as specified and directed, sf in replacement pg parallel groove clamps as per is- 5561 2018 for 33 kv11 kv acsr conductors complete all as specified and directed by eic, supply installation testing and commissioning in replacement of air- break off load line isolator switch rotating type manually gear drive mechanism operated highest system voltage 36 kv rated current 1250 amps triple pole with earthing device each pole consist of insulating pedestals 03 nos on galvanized steel base as per bss is incuding rotating blade of hde copper and fixed contacts of same material spring loaded arcing horns of adequate section to brake magnetizing current of transformer as directed with adequate 50mm dia gi operating pipe for operation from ground level and operating handle complete with both off and on positions complete all as specified and directed, disconnecting all the electric connections from ht and lt side incl earthing terminals from the transformers and taking down transformer from plinth by using cranehydra and opening of top cover for visual inpection for the tap changer and winding condition or as required at site and reinstall at existing location including testing of 3311 kv capacity 315 mva all as specified and directed by engineer-in-charge note- replacement of unsv spare parts required to make transformer functional shall be measured and paid seperate as sf under respective item of work, supply fixing of hv bushing with terminal rod complete all as specified and directed, supply fixing of lv bushing with terminal rod complete all as specified and directed, labour for repairs to the leaks of transformer from tap switch fins any pats of body by replacing gasket seal or repairs to the leaks of transformer body fins by welding brazing etc complete all as specified and directed, ml in repair replacement of prv pressure relief valve of outdoor transformer capacity 3150 kva 33kv11 kv as existing size model complete with its connected wiring and control all as specified directed by engr-in-charge, ml for servicing of buchholz relay of outdoor transformer capacity 3150 kva 33kv11 kv as existing size model complete by connected wiring oil levels lekage arresting and checking of oil level complete all as specified directed by engr-in-charge, sf of breather assembly transparent type filled with silica gel of fresh blue colour suitable for transformer of capacity up to 3150 kva complete all as specified and directed, supply fixing of circular oil level gauge indicating meter with complete float valve assembly for fixing on conservator tank of 3150 kva 33kv11 kvtransformer complete all as specified and as directed, dehydrationfiltration of transformer oil of transformer and oltc by centrifuging machine without disturbing electric supply by heatingfiltration of oil to achieve dielectric strength not less than 60 kv when measured at 25 mm gap for one minute and topping up to oil level mark at the conservator complete all as specified and directed by engineer-in-charge note- i the contractor shall make his own arrangement for centrifuging machine motorised break down kit and all tp and manpower required at site centrifuging and topping up etc and unit rate quoted shall be deemed to include for the same ii new transformer oil as required shall be measured and paid separatly under respective item as supply only iii the rate quoted by contractor shall deem to be included for three phase generator supply for dehydaration if required iv record of new insulating oil used for replacement and topping up oil in transformer shall be maintained duly signed by rep of contractor and age em, supply only new transformer oil as per is for topup with dielectric strength not less than 60 kv complete all as specified and directed by engineer - in - charge make- savitapower oilhp, ml for hiring of cable fault detector to detect exact position of fault for xlpe pvc ht cable 11000 33000 volts grade heavy duty aluminium conductor of any size complete all as specified and directed by engr-in-charge, ml for fixing in repair end joint kit for 11 kv earthed grade cable for indoor termination heat shrink type joint complete with jointing material and accessories suitable for 3 core xlpe armoured aluminium conductor cable of size 120 sqmm to 185 sqmm complete all as specified and testing after jointing complete note- item rate quoted including required tprefixing reconnection of cable in the panelpole cable joints complete all as specified and directed, supply jointing and testing in replacement of indoor type cable end termination joint heat shrinkable suitable for aluminium conductor cable of size 240 sqmm x 3 core to 300 sqmmx 3core 11000 volts grade complete all as specified and directed note- item rate quoted including required tprefixing reconnection of cable in the panelpole cable joints complete all as specified and directed make- densonraychem3mcabseal, sf in repairs cable jointing kit for 33 kv earthed grade cable for outdoor termination heat shrink type end joint complete with jointing material and accessories suitable for 3 core xlpe armoured aluminium conductor cable of size 300 sqmm complete all as specified and directed note- item rate quoted including required tprefixing reconnection of cable in the panelpole cable joints complete all as specified and directed make-densonraychem3mcabseal, ml in repairreplacement for earthing complete with using copper earth plate electrode 600 mmx 600 mmx315 mm thick buried directly in ground earth pit not less than 225 mtr deep below ground level with top edge of the earth plate not less than 150 m below ground level and earth plate surrounded with adequate quantity of charcoal dust mixed with salt to a packed thickness of 15 cm all round the plate using 20x3mm copper earth strip as earth lead moulded and riveted to earth plate at one end and connected to main equipment at switchcontrol board at another end gi earth lead incased in and including 50 mm dia gi light grade pipe from upper end of earth plate upto equipment with including 20 mm dia bore gi pipe light grade as water pipe from earth chamber to upper edge of the earth plate gi funnel with wire mesh fixed on water pipe and provision of pcc 124 type b1using 20 mm graded stone agg as in pits chamber and rcc pit cover 50 mm thick of precast rcc 124 type b-1 using 20 mm graded stone agg including necessary excavation and earth work in softloose soil all as shown in electric plate no 3 of ssr part-i and testing on completion complete all as specified and directed by engr-in-charge, ml in repairreplacement for earthing complete with using galvanized steel earth plate electrode 600 mmx 600 mmx 60 mm thick buried directly in ground earth pit not less than 225 mtr deep below ground level with top edge of the earth plate not less than 150 m below ground level and earth plate surrounded with adequate quantity of charcoal dust mixed with salt to a packed thickness of 15 cm all round the plate using 32x6 mm gi earth strip as earth lead moulded and riveted to earth plate at one end and connected to main equipment at switchcontrol board at another end gi earth lead incased in and including 50 mm dia gi light grade pipe from upper end of earth plate upto equipment with including 20 mm dia bore gi pipe light grade as water pipe from earth chamber to upper edge of the earth plate gi funnel with wire mesh fixed on water pipe and provision of pcc 124 type b1using 20 mm graded stone agg as in pits chamber and rcc pit cover 50 mm thick of precast rcc 124 type b-1 using 20 mm graded stone agg including necessary excavation and earth work in softloose soil all as shown in electric plate no 3 of ssr part-i and testing on completion complete all as specified and directed by engr-in-charge, sf in repairreplacement of earth continuity conductor or main earthing lead fixed to wall on batten or recess or chases or buried in ground or drawn in conduitpipe or fixed to poles or any other indicated situation for loop earthing etc as required by copper strip 20x3 mm all as specified and as directed, sf in repairreplacement of earth continuity conductor or main earthing lead fixed to wall on batten or recess or chases or buried in ground or drawn in conduitpipe or fixed to poles or any other indicated situation for loop earthing etc as required by galvanized iron strip 32x6mm complete all as specified and directed, labour for cutting trimming of tree branches up to 80 mm wide all around from the outer face of alignment of 33 kv ht over head electric line which are going touching or falling or acsr conductor poles or near by sub stns etc at any height from gl and making clearance 15m form conductor and removing to a distance up to 100 mtr where directed by engineer-in-charge note- i trimming of the branches on one sides of the conductor ii actual length of cutting will be measured iii the distance as motioned above will be maintained during contract current period same location subject to at least 6 months period between two trimminglopping iv measurement will be taken including all conductor as one only, mlfor preparatiom of old treated steel surface of any description of 33 kv yard and applying one coat of synthetic enamel paint complete all as specified, mlfor preparatiom of old treated pcc plastered surface of wall foundation of 33 kv yard and applying one coat of white wash complete all as specified, clearing away all grass vegetation saplings shrubs brush wood undergrowth roots and trees not exceeding 30 cm girth measured one metre above ground level and removing rubbish upto a distance of 50 metres outside the periphery of the area under clearance softloose soil and getting out including sprinkling anti vegitation chemical for complete area with spray machine complete all as specified directed, a line isolator 33 kv horizontal type - servicing of line isolator horizontal break outdoor type including cleaning of contact by ctc liquid proper oiling greasing on contacts moving rod handle for proper function of moveable rod for smooth on off position and checking the incoming and outgoing connection including replacement of terminal lugspg clamps with nut bolts etc and testing with following i meggar testing between phase to phase phase to earth shall be carried out, b ht potential transformer or 33 kv 110 volt outdoor type - cleaning of bushing and terminal of ht potential transformer 33 kv 110 volts outdoor type by ctc liquid and checking of oil level and oil dielectric strength bd test and proper connection checkingtightining of control wiring and testing with following - i meggar testing between phase to phase phase to earth, c ht 33 kv or 11 kv outdoorindoor type current transformer ct cleaning of bushing and terminal by ctc solution of ct 33 kv or 11 kv of any ratio and any type and checking of oil level and oil dielectric strength bdv test and for 11 kv checking of wiring circuits and decarbonising of cablebusbar jointsand proper connection checkingtightining of control wiring and testing with following i testing between phase to phase phase to earth to be carried out by external current injection kit, d 3311 kv vcbbreaker control relay panel 02 nos 33 kv panel - cleaning of control relay panel inside outside and checkingtightningrewiring if required cost of new wire is included in quoted rate all the control cable connection of ct pt vcb meters trivector meter transformer complete and testing with the following - i over current earth fault relay tripping by external current injecting kit on primarysecondary side ii buccholz relay alarm tripping testing iii oil temperature alarm tripping testing iv winding temperature alarm tripping testing v all selector switchesindication lamps such as localremoteonoff accept reset push button indication lamp checkedreplaced if required complete the cost of switchindication lamps will deemed to be included in quoted rate, etransformer 33 11 kv up to 315 mva - cleaning of power transformer 33 11 kv outdoor type externally including all accessories such as conservator tank marshaling box bushings bucholz relay radiator bushings oil level indicator complete and checking the incoming and outgoing terminal connection complete with the following testing - i transformer oil dielectric strength bd voltage test ii buccholz relay alarm trip testing iii oil temprature alarm trip testing iv winding temprature alarm trip testing v meggar testing between hv to earth vi meggar testing between lv to earth vii meggar testing between hv to lv viii earth resistance test for body earthing ix replacement all packing and viewing glass in marshilling box if required, f do fuse 33 kv cleaning of 33kv ht insulators checking the incoming outgoing joint connection replacing with new do fuse of approved rating including replacement of conductor clapms by replacing rusted nut bolts etc and testing with the following - i meggar testing between phase to phase phase to earth, ml for cement concrete for filling in foundations or making good of road pcc floor supports etc type b1 124 using 20 mm graded crushed stone aggregate including necessary form work and fair finishing of exposed surface of concrete facia finish with cement mortar complete all as directed, supply of fuse wire made up of tinned copper of rating 20 amp to 60 amp complete all as specified and directed note- fuse wire shall be taken on charge and record of consumption of same shall be maintained by ageje em, supply of ht insulation tapes roll isi marked for terminating high voltage 3311 kv cables for insulation sealing of connection of wire and cable for bus bar insulation transformer terminal insulation etc complete all as specified and directed, supply and fixing in replacement of danger notice plate 33000 volt and 11000 volt of 16mm thick ms sheet vitreous enamelled white with letters figuers and conventional skull and bones in signal red colour and fixed with ms clamps made out of flat iron 25x3 mm nuts-bolts of approved size for ht 25 x 20 cm and complete all as specified and directed, ml for hardcore of broken stone or boulders gauge of 40mm to 63 mm deposited spread and levelled in layers n exc 15cm thick around ht four poletwo pole structure and transformer area complete all as specified, repair to earth pit earth pit cover of 3311 kv switchyard by using pcc 124 and plastering in cm 13 complete including excavation returning filling and removal etc complete all as specified and directed, supply and laying in replacement of ht high voltage insulation mat size 2mx1m made of elastomeric polymers material having a high insulation registance thus imparting total saety to human being from any leakage current having high insulation registance of class a of size 30 mm thick and 1 m width suitale for 33 kv confirming to is-15652 2006 including pasting of mat with sr-998 by adding thinner as per requirement complete all as specified and directed
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