Rate Contract for Preventive/ Routine/ Breakdown Maintenance/ Emergency Restoration Works/ Other works under various heads of various Grid Sub Stations under the jurisdiction of TLMD-III Udhampur for the year 2025-26 or finalization of next tender

Auto-Transformers/Power Transformers :- A) Checking of Auto starting of fans, External cleaning of radiators,oil pumps OFAF/ONAF,Cleaning and checking of marshalling boxes of transformer/reactor and OLTC, (ii) Tightening of terminations, Checking of OLTC driving mechanism, Electrical checking/ testing of pressure relief device, Buchholz relay, OLTC surge relay/ checking of alarm/ trip and checking/ replacement of the gaskets of the terminal box, Checking / Tightning of earthing connections, Checking of earth resistance of Neutral, Replacement of Silca Gel of breathers and oil toping of transformers and tightning of bushing clamps on HV/IV/LV sides of160 mva auto transformers and 20MVA to 50MVA, power transformers. Checking of space heater and illumination.

160 MVA , 220/132 KV

50 MVA , 132/33 KV

20 MVA 132/33 KV

40 MVA 220/132 KV

Draning of transformer oil of transformers

Filteration and dehydration of transformer oil .

Filling of oil, filitration and dehydration of transformer including installation of vacume pump to be provided by the Department.

Reparing of cooling fans of transformers including replacement of damaged winding, bearing etc.

Lifting of top lid of power transformer for complete physical inspection & replacement of gaskets.

Replacement of damaged core bolts/Earthning strip etc.

Testing of Transformer:-

Testing of Transformer:- tandelta testing of bushing/ winding & BDV testing of transformer oil. (TESTING KIT WILL BE PROVIDED BY DEPARTMENT)

DGA and PPM of Transformer from accredIted laboratories.

Replacement of damaged/outlived bushing having high tan delta including crane/ mechanical equipment if required.

220 KV Bushing

132 KV Bushing

33 KV Bushing

Overhauling of Circuit Breaker :- VCB/MOCB/SF6 Checking of oil/gas pressure drop during duty cycle operation check, Checking of auto-starting / stopping of oil pump,pressure switch setting,etc, Checking of healthiness of accumulator by checking the pre-charging pressure when building up pressure from zero, Checking of operation of safety valve, Cleaning of breaker units, checking of protection equipments and replacement of defective ones, i.e., complete inspection and testing of SF6/VCB/MOCB type circuit breakers inclusive of operating mechanism.Checking of driving mechanism, trip/closing circuits/ checking of spring charge motor and checking of tripping and closing coils.checking of equipment earthing and strucure earthing. Maintaning gas levels, venting of circuit breakers, replacement of o-rings , gas kits including circuit breaker anylysis by Circuit breaker analyser.Checking of space heater and illumination.Required as per schedule of maintenance

220KV SF6 Breaker

132KV SF6/MOCB Breaker

33 KV VCB

Replacement of damaged pole of the circuit Breaker including carriage of the Equipment from divisional store to the site of work and back carriage of the damaged equiupment to the divisional store.220KV SF6 Breaker

Replacement of damaged pole of the circuit Breaker including carriage of the Equipment from divisional store to the site of work and back carriage of the damaged equiupment to the divisional store.132KV SF6/MOCB Breaker

Replacement of damaged pole of the circuit Breaker including carriage of the Equipment from divisional store to the site of work and back carriage of the damaged equiupment to the divisional store.33 KV VCB

CVT's /CT's /PT's :- Visual checking of earthing HFpoint (in case it is not being used for PLCC,Checking of any breakage or cracks in porclean insulator, Cleaning of CVT capacitor stacks and tightness of terminal connections,Checking and tightness of all connections including earth connections.Checking of healthiness of gaskets, Checking of neutral earthing in CVT, healthiness of all gaskets and oil level and its topping.Measurement of IR value and tightening of all connections and droppers.Primary injection test of CT/PT, Tan delta,knee point value, burden etc.

Replacement of damaged CT/PT including carriage of the Equipment from divisional store to the site of work and back carriage of the damaged equiupment to the divisional store.

Surge Arrestors :- Checking of leakage current(third harmonic resistive current), Testing of counters and leakage current meters, Cleaning of insulators, Checking of earth connections between surge arrester,surge monitor and earth, Checking of leakage current after cleaning of porcelain surface, cleaning of LA insulators. Measurement of IR value and tightening of droppers.

Replacement of damaged Surge Arrestor including carriage of the Equipment from divisional store to the site of work and back carriage of the damaged equiupment to the divisional store.

Isolators :- Maintenance of linkages including transmission gears, stopper bolts. Cleaning of auxiliary switch contacts and greasing with silca grease, cleaning of support insulators, termination contacts, checking of elecctrical / mechanical interlocks with E/S and CB, mounting bolts, alignment, nuts, pins, space heater, illumination, healthiness of gaskets, auxiliary contacts, alignment of earthing blades, operation of earth switch, almunium / copper flexible conductor, earth connections of structures and MB. lubrication of operating mechanism, hinges lock joints, levers, bearings, main contacts, cleaning of post insulators, tightening of clamps.

Replacement of damaged Isolators including carriage of the Equipment from divisional store to the site of work and back carriage of the damaged equiupment to the divisional store.

Reparing of Three phase motors of isolators including replacement of damaged winding and bearing.

Droppers/Jumpers Replacement of damaged / burnt droppers or jumpers of isolators/ breakers/transformers /CT/PT etc. 220/132/33 KV Yard.

Clamps: Replacement of damaged/burnt PG/ PAD/T/CT/Bushing clamp etc

Post Insulators :- Checking of insulators for cracks and cleaning of insulators and its replacemnt.

Illumination System :- Checking of healthiness of fittings in station buildings, outdoor switch yard, Tightening of terminals, etc.

Battery Bank: Checking and cleaning of battery cell terminals, application of patrolum gelly, if required, conduction of battery impendence test and discharge test checking voltage temperature, current, sp. Gravity of individual cells as well as terminals voltage, battery dischrge testing etc.Checking of positive/Negative earth fault of dc.Terminal tightening.

Battery Charger :- Checking of control cards, measurement of test point voltage values, testing of DC earthfault and U/V relays, IR measurement of charger transformer, checking of earthing etc. Checking of charger panel / DCDB for electrical connections, cleanliness etc.

Protection System :- Checking of relays and application of CCl4 for cleaning, replacement of worn out / defunct relays, checking and replacement of control wiring, if required, primery & secondery injection testing,software settings etc.

Cleaning of cable trenches/ ducts including of dressing of cables, trays, racks , repair of damaged duct covers etc

sub main

Gantry Columns and Beams :- Tightening of all nuts / bolts and providing of missing nuts / bolts and replacement of damaged members.

AuxiliaryTransformer :- 33/0.4 KV Testing of oil BDV, IR measurement, Testing /checking of OTI,WTI and Buchholz (if provided, Checking of healthiness of Pressure relief diaphragm, Checking healthiness of Buchholz relay, Checking tightness of earthing connections

L.T Pannel: Cleaning of panels,bus bar insulators etc. Relays Testing, Tightning of all electrical connections,Checking of indicating meters ,Check for change-over facility, if provided,Check operation /indications in OFF Load condition of MCCB,

Earthing Mat :- Measurment of earth resistivity, checking of electrical continuity of equipment earthings, tightening of earthing connectors, removal of rust from bolted earth connectors and tightening and additional earthing wherever required. 220/132/33 kV

earthing of equipment with pipe earthing at 220/132/33 kV alongwith connection to equipment with G.I. Strip, including chemical.

Improvement of earth mat with Spike earthing of 40 mm dia M.S. Rod wherever required

DC Distribution Board :- Checking of connections, wiring, replacement of wiring if needed and checking of healthiness of all D/C and dc circuits of 33/132/220 Kv yards

AC Distribution Board :- Checking of connections, wiring, replacement of wiring if needed,fuses,MCB,bus bar CT, relays,MFM,LT switchs etc and checking of healthiness of all connections and AC circuits of 33/132/220 kv yards.

Replacement of damaged/outlived/burnt control cables of different cores icluding proper ferruling, thimbling and tagging and finally with all appropriate connections including lifting of duct covers upto 10 core

Replacement of damaged/outlived/burnt control cables of different cores icluding proper ferruling, thimbling and tagging and finally with all appropriate connections including lifting of duct covers above 10 core

Marshelling koisk:- checking of all Terminal blocks, space heaters, light illumination, checking of all connnections and its cleaning. Fixing of cable glands earthing and checking of all other electrical accessories .

Capacitor Banks :- Checking/ tightening of capacitor cells terminals, reactor and checking its wiring connection and its control circuit.etc

BUS BAR:- Replacement of damaged ACSR Conductor along with its fittings.220 kv yard

BUS BAR :- Replacement of damaged ACSR Conductor along with its fittings.132 kv yard

BUS BAR :- Replacement of damaged ACSR Conductor along with its fittings.33 kv yard

Automatic voltage regulator:- checking and tightening of connections, auto control unit, oil and its overhaulling

Diesel Generator set: periodic Maintenance and checking of its operation by way of changing of filters, engine oil, coolant etc

Deweeding, removal of vegetation, cutting of bushes in switch yard

Painting of outdoor equipments (Transformers, MK's, CT/PT/CVT, Protection wall, Circuit breaker, isolatores, poles etc. one coat of red oxide wherever required and two coat of enamel spray paint

Painting of equipments & gantry column beam structures, one coat of red oxide wherever required and two coat of enamel spray paint/Al. Paint

AC Units: Checking and Servicing of Installed AC units (1- 3 Ton)

Providing of skilled/ semi skilled/ un skilled labour for the works under this division which are not covered in this BOQ

skilled labour

semi- skilled

un skilled

Store Handling

Unloading / Loading of C&R Panels, battery charger, marshalling kiokes etc, in divisional store Including manual Carriage within store yard).

Unloading / Loading of ,angle iron, Tor steel , tower material in divisional store Including manual Carriage within store yard).

Unloading / Loading of CT/CVT/PT/PI/CB pole etc in divisional store Including manual Carriage within store yard) 220 KV Level

Unloading / Loading of CT/CVT/PT/PI/CB pole etc in divisional store Including manual Carriage within store yard) 132 KV Level

Unloading / Loading of CT/PT/PI/CB pole etc in divisional store Including manual Carriage within store yard) 33 KV Level

Unloading / Loading of CB/LA/Isolators/ etc in divisional store Including manual Carriage within store yard) 220 KV Level

Unloading / Loading of CB/LA/Isolators/ etc in divisional store Including manual Carriage within store yard) 132 KV Level

Unloading / Loading of CB/LA/Isolators/ etc in divisional store Including manual Carriage within store yard) 33 KV Level

Loading of Transformer oil

U/Loading of Transformer oil

MT Carriage of T&P and other allied material from Divsional Stores to site of work and back carraige of T&P and material including halt at site till completuion of work

First 20 Km

Next Km upto 250 km

Replacement of Pad clamps Moose/Zebra/ Panther

Replacement of T clamps Moose/Zebra/ Panther

Replacement of PG clamps Moose/Zebra/ Panther

Concreting of yard as per directions of Engineer Incharge including material

Laying Of Gravel of appropriate size including material

Replacement of Galvanised Iron of various sizes

Replacement of Galvanised Nut and Bolts of various sizes

Loading/unloading of earthing transformer/aux. transformer 33/0.44 KV

Carriage/dragging of earthing transformer/aux. transformer 33/0.44 KV upto 200 mtr.

Replacement of Turn Buckle alongwith U Clamp

Repair of Cable Ducts (complete job)

P/L of Reinforcement Cement concrete (1:2:4) to the cable duct cover as per site, as per design ,Steel bar and angle iron frame to be provided by the department

Laying Of foundations of Gantry and other equipments with material, reinforcement 1:11/2:3 complete job as per design to be provided by the department

THAPPA ELECTRICAL CONSTRUCTION AND SUPPLIERS (BID ID -2381570)

M/S JCM CONSTRUCTIONS (BID ID -2382528)

AJAY KAPOOR (BID ID -2379581)

M/S KUNDAL ELECTRICAL WORKS AND SUPPLIERS (BID ID -2380769)

M/S SHRI ANUBHAV GANDOTRA (BID ID -2383964)

ADITYA SHARMA (BID ID -2379260)

Bidder Name

SWASTIK ELECTRICAL AND CONSTRUCTION WORKS

AJAY KAPOOR

M/S KUNDAL ELECTRICAL WORKS AND SUPPLIERS

THAPPA ELECTRICAL CONSTRUCTION AND SUPPLIERS

M/S JCM CONSTRUCTIONS