Power Development Department Tender
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Power Development Department - PDD Tender
Electrical and Electronics
Electrical Works
Eprocure
Opening Date14 Oct 2024
Closing Date2 Dec 2024
Tender AmountRefer Documents
Costs
EMD
₹ 20,000Document Cost
₹ 1,000Tender Fee
Refer Documents
Summary
Carrying Out Preventive / Routine/breakdown Maintenance Of 220/132/33kv And 132/33kv Grid Sub Stations Viz-delina, Gis-tengpora, Kulgam, Mattan .
Description
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Contact
Tender Id
2024_PDD_259832_1Tender No
TLMD-VI/05 OF 2024-25 DATED 14-10-2024Tender Authority
Power Development Department ViewPurchaser Address
-Website
http://jktenders.gov.in
GEM & Bid Advisory Services
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Documents
STANDARD BIDDING DOCUMENT SBD OF NIT 05 FORCarrying out Preventive / Routine/Breakdown Maintenance of 220/132/33kV and 132/33kV Grid sub Stations viz-Delina, GIS-Tengpora, Kulgam, Mattan
NOTICE INVITING TENDER NIT 05 FOR Carrying out Preventive / Routine/Breakdown Maintenance of 220/132/33kV and 132/33kV Grid sub Stations viz-Delina, GIS-Tengpora, Kulgam, Mattan
BILL OF QUANTITIES OF NIT 05 FOR Preventive / Routine/Breakdown Maintenance of 22/132/330kV and 132/33kv Grid sub Stations viz-Delina, GIS-Tengpora, Kulgam, Mattan
BOQ Items
Installation of air cell ballons for conservator tank of transformer
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Circuit Breaker :-
Checking of auto starting of Air compressor, pressure drop during duty cycle, hydrolic pump operation, gas levels. Cleaning of breaker units, checking of protection equipments and replacement of defective ones i.e complete inspection and testing of SF6 type circuit breakers inclusive of operating mechanism. Topping of gas level if required replacement of damaged contacts/ auxllaries/ replacement of damged trip and closing coils .
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SF6 Circuit Breaker (220kV)
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SF6 Circuit Breaker (132 kV)
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Vaccume Circuit Breaker (33kV)
1
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Current Transformer:-
Checking /cleanliness and tightness of all electrical connections including earthing of marshalling box ,CT secondary terminal , space heater and illumination, healthiness of secondary terminal bushing. Checking of oil level. Measurement of IR Value and tightening of jumpers, and filling of nitrogen gas.
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220 KV
1
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132 KV
1
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33 KV
1
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C.V. T./ P.T's :-
Checking of earthing of HF point, breakage or cracks in HF bushing ,neutral earthling in CVT ,healthiness of all gaskets and oil level .Cleaning of CVT capacitor stacks, marshalling box and junction box ,space heater and illumination .Measurement of IR value and tightening of all connections and droppers, filling of nitrogen gas etc.
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220 KV
1
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132 KV
1
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33 KV
1
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Surge Arrestor:-
Checking of leakage current after cleaning of porcelain surface, cleaning of LA insulators. Measurement of IR value and tightening of droppers and testing of counter by surge monitor and meter test.
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220 KV
1
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132 KV
1
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33 KV
1
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Isolators:-
Maintenance of linkages including transmission gears, stopper bolts. Cleaning of auxiliary switch contacts and greasing with silica grease, cleaning of support insulators ,termination contacts, checking of electrical /Mechanical interlocks with E/S & CB,mounting bolts, alignment ,nuts, pins, space heater and illumination ,healthiness of gaskets, auxiliary contacts ,alignment of earthing blades, operation of earth switch, aluminum /copper flexible conductor, earth connections of structures and MB .Lubrication of operating mechanism, hinges, lock joints, levers, bearings ,main contacts, cleaning of post insulators,tightning of clamps etc.
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220 KV
1
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132 KV
1
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33 KV
1
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Battery Charger:- Checking of control cords , measurment test point voltage values,testing of DC earth fault & U/V Relays ,IR values, of charger Transformer, checking of earthing, Pannel checking / DCDB electrical connection checking, cleaning complete preventive Maintanance.
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Bus Bar:-Checking / tightening of clamps/ jumpers/ droppers. Replacement of damaged/ burnt droppers or jumpers. Checking / repairing of bus bar conductors, replacement of disc insulators if needed./ clamps / other hardware fittings etc
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Column and beams:-
Tightening of all nuts/bolts & fixing of missing nuts/bolts and damaged members including fabrication
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Replacement burnt out / damaged droppers & jumpers
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Replacement of damaged disc insulators / post insulators
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Illumination System:-Checking of healthiness of electric fittings in Station buildings, out door switch yard, repairing and replacement if required, lighting of pannels.Tightening of terminals, maintenance/r etc including repairing to the wiring of these equipments.
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Replacement of worn out/damaged electric fittings of control room and other allied buildings of Division & Sub Divisions
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Battery bank :-Checking and cleaning of battery cell terminals, application of petroleum jelly, if required, conducting of battery impedance test and discharge test checking voltage,temperature,current ,sp.gravity of individual cells as well as terminal voltage.
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Protection System:-Checking of relays and application of CCL4 for cleaning, carrying out relay testing replacement of worn out defunct relays, testing of event logger/disturbance recorder if any, checking and replacement of control wiring if required.
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Cable Trench Cleaning :- Cleaning of cable trenches, checking of cable trays , replacement of damaged angles/ channels and tightening of cable trays.
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Dewatering of cable trenches and clearance of silt
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L.T.Switchgear/Auxiliary Transformer:-
Checking of all connections, tightening ,and replacement of wiring if required, testing of BDV oil of aux.transformer,I.R/ oil topping measurement .Functional checks ( Trip/ Close) and operating time measurement of MCB's checking of all motors for normal functioning with cleaning and replacement of worn out wiring etc
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Earthing Mat:-
Measurement of earth resistivity at terminals,checking of electrical continuity of equipment earthings, tightening of earthing connectors, removal of rust from bottled earth connectors and tightening (220/132/33 KV yards)./ Strengthning of E-mat by way of insertion of earthning spikes of length 3 metert and dia 40mm.
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D.C.Distribution Board:-
Checking of connections , wiring ,replacement of wiring if needed and checking of healthiness of all the D/C lights.
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Repairing of yard concrete of 220/132 & 132/33 KV Bays :-
Checking and ascertaining the level of damage to the existing concreting, then replacement of damaged patches with fresh concerting in order to rectify the damaged portions with M10 concrete grade.
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Deweeding of the switch yard of Grid sub stations, store yard including cutting of wild vegetations and thorny bushes,hurbs and shrubs and also displacement of material in Divsional Stores and Yards where-ever required for hassle free dweeding etc.
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Painting by way of Aluminium paint on Steel Structures like 220/132 kV & 132/33 Kv C1 Columns, C2 Columns, Beams, isolator superstructures, CT/PT/LA structures etc. (Complete Job)
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Part (B) :
220/132/33 kv & 132 / 33 KV Grid Stations (Breakdown Maintenance)
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Circuit Breakers- Loading , unloading , dragging and Dismantling of Damaged Circuit Breaker and errection and commisioning of new circuit breaker including control cabling , connections to the breaker, earthing of the breaker and final erection checkup etc.
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132 kV SF6 Breaker
1
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220 kV SF6 Breaker
1
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33 KV Vaccume Circuit Breaker
1
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CT/PT/CVT/Coupling Capacitor/Wave Trap: Loading , unloading , dragging and Dismantling of Damaged CT/PT/CVT/Coupling Capacitor/wave Trap and its errection and commisioning of new CT/PT/CVT/Coupling Capacitor/Wave Trap including control cabling , connections ,earthing and final erection checkup etc.
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220 Kv
1
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132 kV
1
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33 kV
1
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Surge Arrestor: Loading , unloading , dragging and Dismantling of Damaged Surge arrestor and its errection and commisioning of new Surge arrestor including control cabling , connections ,earthing and final erection checkup etc.
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220 Kv
1
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132 kV
1
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33 kV
1
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Isolators with earthing blade / without earthing blade
:Installation of new isolator after dismantling of the damaged one including loading, unloading and dragging of the said isolator where ever required. Control cabling , adjustment and carrying out various designated tests after installation etc.
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220 Kv
1
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132 kV
1
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33 kV
1
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Part (C) General /Routine Works
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Loading/Unloading of Breakers /CTs/ PTs/ CVTs/ Isolators of all voltage levels at divisional Stores for safe Storage of material.
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Rearrangement / Stacking of material in divisional store yard as required instantly for facilitating easy movement of men and material in the yard all types of material and equipments
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Repair work of chain link fencing.
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Fabrication of angle iron of various sizes/ Channel Iron etc as per design which includes cutting, Drilling of Holes, Straigtening, skew Cutting etc.
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Handling (loading, unloading and displacement) of various Drums like cable drums, 0.2/0.4/0.5 ACSR Conductor Drums, Earthwire drums etc for hassle free movement of men and material in the store yard.
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Painting with synthetic enamel paint in Control Room buildings and allied qauters including repairs of the same where-ever required.
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Providing of skilled Electrcian for one day
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Providing of Line Erector for one day
1
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Providing of skilled Fitter for one day
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Providing of skilled Mason for one day
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Providing of skilled Blacksmith for one day
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Providing of skilled Carpenter for one day
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Providing of skilled Painter for one day
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Providing of Electrcian for one day
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Providing of skilled Labour for one day
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Providing of skilled Tree/wood cutter for one day
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Providing of labour for one day
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Part (D) General /Routine Miscelleneous Works
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Laying of various cores(2C,4C,5C,8C,10C,14C,16C),2.5 mm2 1.1kV Voltage grade XLPE/PVC insulated control cable FRLS galvanised steel wire/stripped armoured stranded coppor conductor.
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Laying of various 4cores(6 mm2, 10mm2, 16mm2, 25mm2,35mm2) 1.1kV Voltage grade XLPE/PVC insulated control cable FRLS galvanised steel wire/stripped armoured stranded coppor conductor.
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Laying of various 4 cores(6 mm2, 10mm2, 16mm2, 25mm2,35mm2) 1.1kV Voltage grade XLPE/PVC insulated control cable FRLS galvanised steel wire/stripped un armoured stranded coppor conductor.
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Laying of various 3.5 cores(35mm2, 25mm2, 50 mm2, 70mm2, 95mm2,) 1.1kV Voltage grade XLPE/PVC insulated Power cable FRLS galvanised steel wire/stripped armoured stranded coppor conductor.
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Laying of various 3.5 cores(120 mm2, 150mm2, 185mm2, 240mm2, and 300mm2 ) 1.1kV Voltage grade XLPE/PVC insulated Power cable FRLS galvanised steel wire/stripped armoured stranded coppor conductor.
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Painting of steel structures with two coats of red oxide and one coat of Al oxide.
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Painting of wooden structures with two coats of wood primer.
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Hire charges of Hydra for lifting, carrying etc of material/equipments at various sites/Grid Substations/Divisional stores.
1
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Hire charges of Hydraulic excavator(JCB) of 1 cum bucket.
1
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Hire charges of TATA 407 or equivalent for local shifting / carraging of equipment/material .
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DG Sets:
Maintenanace of DG sets including changing of M.Oil /air filter /M Oil filter , checking of exhaust system,cleaning , tightening of nuts /bolts (complete service in all respects )from an authorised service centre .
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AC Units :
Maintenanace/servicing of split inverter type AC's including filling of gas complete service in all respects.
1
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FIRE ALARM PROTECTION AND DETECTION SYSTEM:
Maintenanace of FACP system at various control rooms of Grid Substations.
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HIGH MAST LIGHTING SYSTEM
Maintenanace of High Mast lights system including tightening of loose connections, fixing/hoisting/installation of any damaged part involved in the smooth functioning of the lights including all necessary repalcements/repairs
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CCTV Survelliance System Maintenanace/ servicing of any the constituent/part of the CCTV survelliance at Grid Subatation.
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Hiring of Private Vehicle For emergencies including Fuel
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