Rate contract for preventive maintenace of varios Grids of TLMD1Jammu for the year 2025-26

Auto-Transformers/Power Transformers /Auxillary 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 topping of transformers and tightning of bushing clamps on HV/IV/LV sides of 20MVA to 50MVA power transformers including tandelta testing of bushing/ winding & DGA/ BDV/PPM testing of transformer oil.other tests on the transformer like ratio test, IR value/ Magnetic balance/ short circuit test etc. Checking of space heater and illumination

31.5MVA,132/33KV

50MVA, 132/33KV

20 MVA 132/33 KV

630 KVA, 33/0.440 KV

500 KVA, 33/0.440KV

250KVA,33/0.440KV

100KVA,33/0.440KV

Draning/ De-sludging of transformer oil of transformers

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

Reparing of cooloing fans of transformers including replacement of damaged winding, bearing,MCBs,Contactors, wiring of control circuits 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:- tandelta testing of bushing/ winding & BDV testing of transformer oil.other tests on the transformer like ratio test, IR value/ Magnetic balance/ short circuit test etc, kits for testing shall be provided by the department.

DGA and PPM of Transformer from accredted laboratories.

Replacement of damaged/outlived bushing having high tan delta including crane/ mechanical equipment if required 132KV Bushing

33KV Bushing

Overhauling of Circuit Breaker :- VCB/MOCB/SF6/ACB 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, checking of air compressor, Cleaning of breaker units, checking of protection equipments and replacement of defective ones, i.e., complete inspection and testing of SF6/VCB/MOCB/ACB type circuit breakers inclusive of operating mechanism.Checking of driving mechanism, trip/closing circuits/ checking and repairing 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 132KV SF6 Breaker

33KV MOCB/SF6

33KV 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 equipment to the divisional store 132KV SF6 Breaker

33KV 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. 132KV

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. 132KV

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. 132KV

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.132KV

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. 132KV

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. 132KV

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

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

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 replacement. 132KV

Illumination System :- Checking of healthiness of fittings in station buildings, outdoor switch yard, Tightening of terminals, etc.Replacement of 200 watt LED in the outdoor switch yard

Replacement of LED/CFL along with fitting in the control room/ division building/office complex

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 Main

Sub-Main

Gantry Columns and Beams :- Tightening of all nuts / bolts and providing of missing nuts / bolts and replacement of damaged members. :132KV

L.T. Transformer :- 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

C.R 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. 132/33 kV yards

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

Power Cables: Replacement of damaged/outlived/burnt Power cables of different cores & sizes including proper ferruling, thimbling and tagging and finally with all appropriate connections including lifting of duct covers and placing them back( upto 500sqmm XLPE )

Power Cables: Replacement of damaged/outlived/burnt Power cables of different cores & sizes including proper ferruling, thimbling and tagging and finally with all appropriate connections including lifting of duct covers and placing them back( 630sqmm & above XLPE )

Cable Kits: Replacement of damaged/outlived/burnt cable kits of different sizes ( 630sqmm & above XLPE,indoor type )

Cable Kits: Replacement of damaged/outlived/burnt cable kits of different sizes .(upto 500sqmm XLPE indoor Type )

Cable Kits: Replacement of damaged/outlived/burnt cable kits of different sizes .( 630sqmm & above XLPE,outdoor type )

Carriage of cables (upto 500sqmm sizes) from unloading site to site of work 50mts distance

Carriage of cables ( 630sqmm & above sizes) from unloading site to site of work 50mts distance

Control Cables: Replacement of damaged/outlived/burnt control cables of different cores including proper ferruling, thimbling and tagging and finally with all appropriate connections including lifting of duct covers and placing them back.:Below10 core

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.132KV Yard

33KV yard

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

Diesel Generator set: Maintenance and checking of its operation.

Deweeding of switch yard

Painting of outdoor equipments (Transformers, MK's, CT/PT/CVT, Protection wall, Circuit breaker, isolatores, poles etc.

AC Units: Checking and Servicing of Installed AC unit inside control room (1- 3 Ton) /office building/division building/residential quarters etc

White-Washing of Control Room/Residencial Quarters at Grid Stations, Guest house and Divisional Office building

Upkeep of Sanitary installed in the control room/ office building/division building/residential quaters/Toilets and replacement of any damaged item if required.

Upkeep of electrical accessories installed in the control room/ office building/division building/residential quarters and replacement of any damaged item if required.

Providing of skilled/ semi skilled/ un skilled labour for the works which are not coverd in above items:Skilled

Semi-skilled

Unskilled

Store Handling :Unloading of Material in the Divisional store

132/33 KV Breaker

132/33 KV CT's

132/33 KV PT's

132/33 KV LA's

132/33 KV Isolator

Carriage of Material from Unloading site to stacking site and stacking the material properly

132/33 KV Breaker

132/33 KV CT's

132/33 KV PT's

132/33 KV LA's

132/33 KV Isolator

Shifting of material to make the space for adjustment of material

132/33 KV Breaker

132/33 KV CT's

132/33 KV PT's

132/33 KV LA's

132/33 KV Isolator

Carriage of material from divisional store to loading site:steel structures

132/33 KV Breaker

132/33 KV CT's

132/33 KV PT's

132/33 KV LA's

132/33 KV Isolator

Loading of material in the vechile: steel structures

132/33 KV Breaker

132/33 KV CT's

132/33 KV PT's

132/33 KV LA's

132/33 KV Isolator

Mechanical Transport of loaded Electrical Material from Divisional store to site of work including unloading at site upto 20Kms distance & vice versa(rate per Km)

Mechanical Transport of loaded Electrical Material from Divisional store to site of work including unloading at site upto 40Kms distance & vice versa(rate per Km)

Mechanical Transport of loaded Electrical Material from Divisional store to site of work including unloading at site beyond 40Kms distance & vice versa(rate per Km)

Manual Carriage of Auxilliary Transformers within a distance of 100m

Surface cleaning /bush cutting/levelling of store premises.

Disposal of material/Mulba from the store to outside the store premises

Replacement/repairing of Street light/LED light inside store premises by way of changing street light,control cable (Complete job)

Repair of Sheds inside store premises by way of changing Tin,Angles,channels Complete job

Cleaning of Drainage/front area of store/Guest house/office/quarters etc during Monsoon/Rainy season

white washing of areas

Replacement of damaged132KV C and R panel meters

Replacement of damaged 33KV C and R panel meters

Repacement of mechanical operating assembly of 132KV SF6 breaker

Repacement of mechanical operating assembly of 33KV VCB

Repacement of closing/tripping coil of 132KV SF6 breaker

Repacement of closing/tripping coil of 33KV VCB

Topping of oil in 132KV CT/PT and measurement of IR Value

Topping of oil in 33KV CT/PT and measurement of IR Value

Washing of Curtains.

Repair of switch boards/electrical circuits including replacement of electrical components.

Unloading / Loading of conductor/control cable etc in divisional store Janipur Including manual Carriage within store yard.

M/s GCS Associates (BID ID -2353036)

M/S A A ENTERPRISES (BID ID -2353958)

M/S DAYAL BUILD TECH (BID ID -2353914)

M/s GCS Associates

M/S DAYAL BUILD TECH

M/S A A ENTERPRISES