Rate Contract for Preventive/Routine/Breakdown maintenance of Equipments for 220/132/33KV Grid station Barn, 132/33 KV Battal Manwal , 220/66 KV Samba and 132/33KV Grid Station Katra falling under the jurisdiction of TLMD-IV JKPTCL, Jammu

Auto-Transformers/Power Transformers :- A) Checking of Auto starting of fans, External cleaning of radiators,oil pumps, ONAF/OFAF cooling,Cleaning and checking of marshalling boxes of transformer 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 of Auto transformers and Power transformers. Checking of space heater and illumination,etc. required as per schedule of maintenance.B199

160 MVA , 220/132 KV

160 MVA , 220/66 KV

50 MVA , 220/132 KV

50 MVA , 132/33 KV

Replacement of Silca Gel of breathers and oil toping of transformers (upto 160MVA).

Routine Maintenance of Auxilliary Transformers including checking of gaskets,checking and tightening of earthing connections,tightening of bushing clamps,replacement of Silica Gel if needede etc

630KVA, 11/0.433 KV Auxilliary Transformer

250KVA, 33/0.440 KV Auxilliary Transformer

Draning/ De-sludging of oil of transformers

Filling of oil, filtration and dehydration of transformer including carriage of filteration plant 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/Earthing strip etc.

Testing of Transformer:-

Tandelta testing of bushing/ winding and winding resistance of Transformer.

SFRA testing including arrangement of KIT by successful bidder.

Turn Ratio testing of Transformer.

IR Testing

BDV testing of transformer oil

Low voltage testing:

Magnetic balance test

short circuit test

DGA and PPM of Transformer from accredited laboratories (it include cost of collection of sample from site, its delivery to the testing labortary and depositing back the sampling bottle)

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

220 KV Bushing

132 KV Bushing

66 KV Bushing

33 KV Bushing

11 KV Bushing

VCB/SF6 Checking of gas pressure drop during duty cycle operation check, Checking of auto-starting /pressure switch setting,etc, 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/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 kets including circuit breaker analysis by Circuit breaker analyser. Checking of space heater and illumination. Required as per schedule of maintenance

220KV SF6 Breaker

132KV SF6 Breaker

66 KV SF6 Breaker

33 KV VCB

Installation, testing and commissioning of CT/PT including making connection at secondary winding and in M.K box.

Testing: VCB/MOCB/SF6 Testing of SF6/VCB/MOCB type circuit breakers by Circuit breaker analyser Test kit.

220KV SF6 Breaker

132KV SF6 Breaker

66 KV SF6 Breaker

33 KV VCB

Replacement of damaged/defective pole of the circuit Breaker after thorough inspection.

220KV SF6 Breaker

132KV SF6 Breaker

66 KV SF6 Breaker

33 KV VCB

Replacement of damaged/defective operating mechanism box of the circuit Breaker after thorough inspection.

220KV SF6 Breaker

132KV SF6 Breaker

66 KV SF6 Breaker

33 KV VCB

CVT's /CT's /PT's :- Visual checking of earthing HF point (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 if needed. Releasing of gas pressure if any.

CVT's /CT's /PT's :- Measurement of IR value and tightening of all connections and droppers.

CVT's /CT's /PT's :- Primary injection test of CT/PT and tightening of all connections and droppers.

Dismantalling of CT/PT including its carriage

Surge Arrestors :- 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.

Surge Arrestors :- Checking of leakage current(third harmonic resistive current)

Replacement of damaged Surge Arrestor

Isolators :- Checking of moving/fixed contacts, Cleaning of auxiliary switch contacts and greasing with silca grease, cleaning of support insulators, termination contacts, checking of electrical / mechanical interlocks with E/S and CB, mounting bolts, alignment, nuts, pins, 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.

Reparing of Three phase motors of isolators.

Droppers/Jumpers Replacement of damaged / burnt droppers or jumpers of isolators/ breakers/transformers /CT/PT etc. 220/132/66/33/11 KV Yard.

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

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

Post Insulators :- Replacement of damaged/cracked Post Insulators.

Replacement of damaged Disc Insulators when lowering of conductor is necessary.

Replacement of 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 petroleum gelly/anti rust spray if required and Checking of positive/Negative earth fault of dc.Terminal tightening.

Battery Bank: conduction of battery impendence test and discharge test checking voltage temperature, current, terminals voltage of individual cells, battery discharge testing etc.

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, primary & secondery injection testing,software settings etc.

Cleaning of cable trenches/ ducts including disposal of malba outside the premises of Grid Station.

sub main

Dressing of cables on trays/racks including repairing of trays/racks if required.

sub main

Repairing of damaged cable duct covers.

sub main

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

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.

L.T. Panel: 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 kV Transformer including allied equipment

220/66 KV Transformer including allied equipment

132/33 KV Transformer including allied equipment

Replacement/repairing of Earthing of various Equipments.

DC Distribution Board :- Checking of connections, wiring, replacement of wiring if needed and checking of healthiness of all D/C and dc circuits of 220/132/66/33/11 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 220/132/66/33/11 KV yards

Control cables:- 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

below 10 core

above 10 core

Marshelling kiosk:- checking and replacing if required 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. Fixing of damaged hinges/locks(including their cost if any) if required and plugging of holes if any.

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

220 KV yard

132 KV yard

66 KV yard

33 KV 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.

Diesel Generator set: overhauling of DG set including all material required for it.

Deweeding of switch yard

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

AC/FC Units: Checking and Servicing of Installed AC unit inside control room (1- 3 Ton)

White-Washing of Control Room/Residencial Quarters/Office building at Grid Station.

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

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

Store handling:

Unloading / Loading of C&R Panels, in divisional store Bhatindi Including manual Carriage within store yard).

Unloading / Loading of Angle iron, Tor steel , Tower material in divisional store Ambedkar Chowk/Bhatindi Including manual Carriage within store yard).

Unloading / Loading of CT/CVT/PT/CB/LA etc in divisional store Ambedkar Chowk/Bhatindi Including manual Carriage within store yard).

Carriage of T&P and other allied material from divisional store to the site of work and back carriage of T&P

From Divisional Store to Grid Station Barn (Average distance 25 Kms)

From Divisional Store to Grid Station IGC Samba (Average distance 45 Kms)

From Divisional Store to Grid Station Battal-Manwal (Average distance 75 Kms)

From Divisional Store to Grid Station Katra (Average distance 60 Kms)

Sorting, loading, unloading and weight measurement of Iron sorts such as MS angle/flat Tor steel/tower material etc at Divisional store.

Loading and unloading of CT/PT/LA of 220 KV level at Divisional store.

Loading and unloading of CT/PT/LA of 132 KV level at Divisional store.

Loading and unloading of CT/PT/LA of 66 KV level at Divisional store.

Loading and unloading of CT/PT/LA of 33 KV level at Divisional store.

Sorting, loading, unloading and length measurement of ACSR Moose at Divisional store.

Sorting, loading, unloading and length measurement of ACSR Zebra at Divisional store.

Sorting, loading, unloading and length measurement of ACSR Panther at Divisional store.

Sorting, loading, unloading and length measurement of control cable of sorts at Divisional store.

Removal of rank vegetation/jungle clearance/bush cutting inside the Grid periphery

Cleaning of drains by removing of silt/mulba etc

Repairing of chail link mesh fensing

painting to chain link mest fensing

Earth filling whereever required

Berm dressing along road inside grid's periphery

Cleanings of water tanks underground/overhead tankies

Repair to plaster whereever required

Rainting/color washing to walls

Repair to sanitary fittings

Replacing damaged glass pans including providing fixing same

M/S KUNDAL ELECTRICAL WORKS AND SUPPLIERS

M/S RAJ ELECTRICAL CONTRACTOR

AA ENTERPRISES

M/S SINGH ELECTRICALS

M/S APR CONSTRUCTIONS

M/S SALARIA ENTERPRISES

M/S DAYAL BUILD TECH

M/s GCS Associates

JAIDEV ENTERPRISES

JASMEET SINGH

M/S Maa survshaktielectrical works

LEELA ASSOCIATES

Vinod Kumar

M/S SURYA ENTERPRISES

VIKRAM JEET SHARMA

Ms Jagan Electrical Construction

M/s Wazir Agencies

M/s. Pungotra Electricals

M/s. Pungotra Electricals

M/S KUNDAL ELECTRICAL WORKS AND SUPPLIERS

M/S RAJ ELECTRICAL CONTRACTOR

M/S SINGH ELECTRICALS

AA ENTERPRISES

M/S APR CONSTRUCTIONS

JASMEET SINGH

M/s GCS Associates

Vinod Kumar

M/S DAYAL BUILD TECH

M/S SALARIA ENTERPRISES

M/S SURYA ENTERPRISES

M/S Maa survshaktielectrical works

LEELA ASSOCIATES

JAIDEV ENTERPRISES