GE ELEC/D-72/2023-24

Amount

M&L for servicing /testing of breaker/control panel including CT, PT and relays in control panel of VCB of capacity 800/630 Amps and rating 11 KV complete as details mentioned as under:- (a) Details of servicing of breaker :- (i) Adjustment of mechanism if required. (ii) Clean the circuit breaker to remove dust and dirt. The envelope of the vacuum interrupter and insulating materials shall be wiped with a clean cloth. (iii) Apply a small amount of oil to rotary sections, sliding surfaces, pins, coupling section, etc.use grease for the operating shaft and bearings, and machine oil for other parts. (iv) Check for rust and wear. (v) Check Spring Tension and pitting of the Cluster Contacts. (vi) Visual check for rust and deformation. (vii) Check for loosened bolts and nuts, broken spring washers and snap pins etc. (viii) Check for loosened connections, rust, damaged lead wires. (ix) Check whether the contacts are damaged by arcing. (x) Checking of control circuit & tighten the connections if any. (xi) Check close & trip coil. (xii) Checking of Jaw Contacts Conditions and repair/adjust. (xiii) Replace the jaw contacts, If required. (xiv) Improvement of resistance of epoxy insulator and epoxy body by applying post heated varnish. (xv) Replacement of Dashpot/shock absorbers . (xvi) Replacement of carbon brush of spring charging motor (xvii) Flash cleaning of complete bus bar with CRC

(b) The following test shall be carried out:- (i) Primary Injection Test of CT / PT (ii) Closing & Opening Timing Test for all three poles. (iii) IR Test with megger in open and closed condition. (iv) Contact resistance test for all three poles (v) Closing coil resistance (vi) Tripping coil resistance. (c) Testing of following relays of control panel with Secondary Injection Kit ,checking and programming of relay :- (i) Over current and earth fault relay (d) Testing of following Aux relay (i) DC Supply supervision relay. (ii) Master trip relay

S&F installation battery 12 volts, 100 AH, dry type in replacement of old unserviceable battery in battery charger with suitable size of new copper battery terminal and lugs and initially charging, commissioning and testing complete all as specified and directed by the Engg-in-Charge.

S&F in replacement MCB single pole of capacity 06 Amps, 10 KA, C curve with provision of suitable channels complete all as specified and directed by the Engg-in-Charge.

S&F in replacement Potential Transformers, single phase of 11 KV rating with ratio 11kV/rt3:110V/rt3, Cl.0.5 and burden class 50VA for 11 KV VCB Panels including taking down old one complete all as specified and directed by the Engg-in-Charge.

S&F in replacement of LED indication lamp for breaker ON/OFF/TRIP/Breaker Spring Charged/R-Y-B etc for 11 KV control panel including associated wiring, if reqd, complete all as specified and directed by the Engg-in-Charge.

Supply and installation in replacement of Anti-condensation space-heater with Thermostatic control in cable and circuit breaker compartments of HT switchgears complete all as specified and directed by the Engg-in-Charge.

S&F in replacement vacuum interrupter suitable for 800/630 amps, 11 KV HT VCB complete all as specified and directed by the Engg-in-Charge.

S&F in replacement isolating contact assembly suitable for 800/630 amps, 11 KV HT VCB complete all as specified and directed by the Engg-in-Charge.

S&F in replacement fixed contact block complete suitable for 800/630 amps, 11 KV HT VCB complete all as specified and directed by the Engg-in-Charge.

S&F in replacement moving contact block complete suitable for 800/630 amps, 11 KV HT VCB complete all as specified and directed by the Engg-in-Charge.

S&F in replacement motor & gear assembly 230V AC suitable for 800/630 amps, 11 KV HT VCB including testing & putting on load complete all as specified & directed by the Engg-in-Charge.

S&F in replacement spring bearing gear suitable for 800/630 amps, 11 KV HT VCB complete all as specified and directed by the Engg-in-Charge.

S&F in replacement closing coil assembly 24 volts DC suitable for 800/630 amps, 11 KV HT VCB complete all as specified and directed by the Engg-in-Charge.

S&F in replacement tripping coil assembly 24 volts DC suitable for 800/630 amps, 11 KV HT VCB complete all as specified and directed by the Engg-in-Charge.

S&F in replacement close/trip coil 24V DC for 11 KV HT VCB of capacity 800/630 Amps capacity complete all as specified and directed by the Engg-in-Charge.

S&F in replacement of panel door lock suitable for 800/630 amps, 11 KV HT VCB complete all as specified and directed by the Engg-in-Charge.

S&F in replacement auxiliary switch (7 No + 7NC) suitable for 800/630 amps, 11 KV HT VCB complete all as specified and directed by the Engg-in-Charge.

S&F in replacement T&C Switch for Breaker ON/OFF purpose in HT 11 KV VCB panel including associated wiring, if reqd, for proper functioning of switch complete all as specified and directed by the Engg-in-Charge.

S&F in replacement support road with screws suitable for 800/630 amps, 11 KV HT VCB complete all as specified and directed by the Engg-in-Charge.

S&F in replacement support insulator suitable for 800/630 amps, 11 KV HT VCB complete all as specified and directed by the Engg-in-Charge.

S&F in replacement upper connector suitable for 800/630 amps, 11 KV HT VCB complete all as specified and directed by the Engg-in-Charge.

S&F in replacement lower connector suitable for 800/630amps, 11 KV HT VCB complete all as specified and directed by the Engg-in-Charge.

S&F in replacement set of 6 Nos fixed arcing contacts suitable for 800/630 amps, 11 KV HT VCB complete all as specified and directed by the Engg-in-Charge.

S&F in replacement Caution plate “CAUTION MEN AT WORK of size 40cmx15cm made out of white acrylic sheet with Red colored glow tape and size of writing letter not less than 5 cm each complete all as specified and directed by the Engg-in-Charge.

S&F in replacement of HRC fuse of capacity 20 Amps for VCB complete all as specified and directed by the Engg-in-Charge.

S&F in replacement MCB 20 to 32 Amps DP complete all as specified and directed by the Engg-in-Charge.

S&F in replacement of Digital Volt meter Secondary voltage 110 V for 11 KV VCB Control Panel complete all as specified and directed by the Engg-in-Charge.

M&L in replacement of complete control wiring (AC/DC) in existing HT 11 KV VCB Panel of capacity 630 Amps installed at substation using 2.5 Sqmm FRLS copper wire and associated accessories necessary for wiring and integration of control panel with breaker, relays, meters, power pack, T&C switch, annunciator etc and including the following:- (i) AC/DC copper wiring, lugs, terminals, TB's, TB markers, strips, etc which are necessary for integration of new items with existing panel. The contractor shall ensure integrity of critical protection scheme off the panel and shall be demonstrated via functional tests at site including tacking out control wiring complete all as specified and directed by the Engg-in-Charge.

Supplying, installation, commissioning and testing in replacement of 11 KV Current Transformer (CT`s), indoor type, resin cast epoxy type of 25KA/Sec having ratio 300/150/5-5 Amps having Core1: Class 5P10, 10VA for protection , Core2: Class 0.5, 10VA for metering including associated wiring complete all as specified and directed by the Engg-in-Charge.

All as per item No 30 above but having ratio 200/100/5-5 Amps complete all as specified and directed by the Engg-in-Charge.

All as per item No 30 above but having ratio 150/75/5-5 Amps complete all as specified and directed by the Engg-in-Charge.

All as per item No 30 above but having ratio 100/50/5-5 Amps complete all as specified and directed by the Engg-in-Charge.

All as per item No 30 above but having ratio 50/25/5-5 Amps complete all as specified and directed by the Engg-in-Charge.

S&F in replacement Potential Transformers, single phase of 11 KV rating with ratio 11kV/rt3:110V/rt3, Cl.0.5 and burden class 100VA for 11 KV VCB Panels including taking down old one complete all as specified and directed by the Engg-in-Charge.

S&F in replacement outdoor type wall mounted Busbar chamber having 04 pole busbar of rating 200 amps fitted with MCCB 100 Amp, 4 pole , 25 KA, 50 Hz as incomer including suitable hole in bus bar for outgoing cable connection including suitable size nut bolt and fastner complete all as directed by the Engg-in-Charge.

Supply, installing, testing and commissioning in replacement of factory made and tested Bus bar chamber outdoor type with canopy made out of 3.15 mm CRCA MS sheet, and 40x40x5mm thick MS angle iron frame work, powder coated finish over one coat of red oxide primer on outside surface and painted inside with two coats of red oxide primer, front opening type, with apron for cable entry closing locking arrangement of size not less than 400mm x 400mm x 300mm with 4 Nos 400 Amps aluminum bus bar and with 250 Amp MCCB, 4 pole, 25 KA, 415 Volt 50 Hz including excavation, earth work and provision of PCC platform for the Bus bar chamber with PCC 1:4:8 type D-2 with 40 mm graded stone aggregate, 15 cm thick in foundation, brick work in CM 1:6 with sub class 'B', old size bricks, rendering 15 mm thick in CM 1:6 on exposed surfaces and 100 mm thick PCC padding 1:3:6, type C-1 using 20 mm graded stone aggregate on top and grouting bolts etc for Bus bar chamber. The platform shall be such that it is of a height minimum 45 cm above the nearest road level complete all as specified and directed by the Engg-in-Charge.

S&F in repairs "ON LOAD" Change over switch suitable for three phase, 415 V, 50 Hz AC supply of 400 Amps, 4 Pole complete all as specified and directed by the Engg-in-Charge.

S&F in repairs "ON LOAD" Change over switch suitable for three phase, 415 V, 50 Hz AC supply of 250 Amps 4 Pole complete all as specified and directed by the Engg-in-Charge.

S&F in repairs "ON LOAD" Change over switch suitable for three phase, 415 V, 50 Hz AC supply of 200 Amps 4Pole complete all as specified and directed by the Engg-in-Charge.

S&F in repairs "ON LOAD" Change over switch suitable for three phase, 415 V, 50 Hz AC supply of 125/100 Amps 4P complete all as specified and directed by the Engg-in-Charge.

Supply, drawing, connecting and testing of 3 core, 1.5 Sqmm PVC insulated and PVC round sheathed copper conductor (flexible ) industrial cable, 1100 Volts conforming to IS 694 in steel tubular poles from KIOSK box to street light fitting including providing suitable copper lugs complete all as specified and directed by the Engg-in-Charge.

S&F in repair integral LED light fitting 72 watts comprising pressure die cast housing with power coated aluminum housing working as a heat shrink and toughened glass with IP-65 protection suitable for 32 mm outer dia pipe bracket complete all as specified and directed by the Engg-in-Charge.

S&F in repair PVC insulated twin core copper conductor cable of size 2.5 sqmm for connection of street light fittings complete all as specified and directed by the Engg-in-Charge.

S&F in replacement bracket for street light fitting complete with 1.5 to 2.2 mtr long 32/40mm dia GI pipe medium grade including necessary mild steel clamp, nuts, bolts and washers incl painting on steel surfaces with two coats of aluminum paint complete as as specified and directed by the Engg-in-Charge.

S&F in replacement KIOSK box wheather proof made out of one piece mounted SMC base and door pole mounted hinged door size 333x233x120mm out side and 300x200x105mm inside dimensions comprising of aluminum bus bar 4 strips for 3 phase and neutral 63 Amps including embossing/painting of danger notice of size not less than 10cm x 7.5cm with letters, figures and conventional skull and bones in signal red color on front face of KIOSK box body incluiding MS clamp of size 25x3 mm with suitable size nut, bolts & washer complete all as specified and directed by the Engg-in-Charge.

M&L for re-painting of LT Steel tubular poles of any sizes by applying 02 coats of aluminum paint including rubbing with wire brush/emery paper & writing pole Nos in appropriate size of letters including making yellow and black strips upto height of 1.5 mtr above from ground level complete all as specified and directed by the Engg-in-Charge.

S&F in replacement Energy saving, environmental friendly, long life, exclusive innovative die-cast aluminum IP66 LED flood light suitable for high lighting architectural façade and general purpose lighting of capacity 120 Watt LED complete all as specified and directed by the Engg-in-Charge.

Supplying, laying, jointing testing and connecting in replacement XLPE insulated, screened, PVC bedded, galvanized steel strip or wire armored, electric power cable (heavy duty) with multistranded aluminum conductors, IS 7098 marked, suitable for LT 1100 Volt system, laid in trenches fixed to pole, complete all as specified and directed by the Engg-in-Charge of following sizes:- Note:- Excavation, earth work ,cable protection , sand fillings , cable joint shall be measured and paid separately under respective items of schedule.

16 Sqmm 4 core

10 Sqmm 2 core

35 Sq mm 3.5 core.

Boring of hole under road/pavement/hard standing or any other situation by mannual means suitable for passing of GI pipe 40 to 100 mm bore and making good both ends complete all specified and directed by the Engg-in-Charge.

S&F in replacement 40mm bore GI Pipe (light grade) with necessary accessories/ fittings for cable protections or running through poles/crossing of culverts/nallah etc complete all specified and directed by the Engg-in-Charge.

Excavation in trenches not exc. 1.5 m wide and not exc 1.5 mtr deep in soft/loose soil for laying / taking up/ taking down of cables incl getting out and levelling of bottom suface to required level complete all as specified and directed by Engineer- in- Charge.

Returning filling in including spreading, levelling,watering and well ramming soil in layers not exceeding 25 cm thick complete all as specified and directed by the Engg-in-Charge..

Removing excavated material (ie soil) from site to a distance n. exc 50 mtrs away and depositing where directed at a level n. exc. 1.5 mtr above the starting point complete all as specified and directed by Engineer-in-Charge.

M&L for river washed and screened, dry sand for filling in trenches below and around underground cables for cushioning of cables etc upto punned thickness of 180mm complete all specified and directed by the Engg-in-Charge.

Supply and laying of sub class B bricks having minimum compressive strength 75 Kg/ Sqcm in trenches for cable protection etc complete all as specified and directed by Engineer-in-Charge.

All as per srl item No 56 here-in-before but using old bricks obtained under srl item No. 52 here in before complete all specified and directed by the Engg-in-Charge.

Disconnecting and taking down faulty and defective copper wound Transformer with built in HT AVR (Input voltage 9-11KV and output Voltage 11KV) of capacity 500 KVA, 11000/433 Volts by OEM from DCN PALAM substations and transporting to MES store yard for minor/major repair works complete all as specified and directed by Engineer - in- charge .

M&L for draining out complete transformer oil from transformer oil reserver tank of Capacity 500 KVA at MES store yard for major repair works and storing the transformer oil in suitable container for re-use (after repair of transformer) and lifting of core assembly by opening of top cover and other items for inspection/examination by Board of Officers and lowering/fixing of core assembly in its original position after inspection to make it ready for transportation to OEM factory for repair works complete all specified and directed by the Engg-in-Charge..

Transporting of defective/faulty copper wounds Transformer with built in HT AVR of capacity 500 KVA , ratio 11000/433 Volts from MES store yard to factory (OEM) for repair works and return back to DCN Substation yard after repair works completed for installation at their same location complete all specified and directed by the Engg-in-Charge.

M&L for opening of faulty/defective Transformer with built in HT AVR (Input voltage 9-11KV and output Voltage 11KV) of ratio 11000/433 volts opening the top cover of Transformer, carrying out the repairs /works at factory (OEM) listed at Serial No. (i) to (xii) for Transformer of capacity 500 KVA:- (i) Taking out the core/coil of Transformer from tank by disconnecting star delta connection of Transformer , After dismantling of Transformer and physical joint inspection of core coil assembly (removing all 3 limbs HV &LV winding from Core Assembly) washing of core assembly by hot oil for removing brunt carbon and copper particles and cleaning of complete top yoke by oil (ii) Painting inside of the Transformer with yellow paint and outside body with synthetic enamel paint of existing tint/color Cleaning inside of the transformer by using transformer oil. (iii) Refixing/ reassemble of complete core assembly and core coil assembly providing new coils and new tap leads of tap changer including requisite insulation material including heating up the transformer core assembly to remove moisture after carrying out the repairs works . (iv) Renewal of rubberized gasket set for top cover, Brass spindles, LT and HT bushings ,tap changer connection WTI &OTI connection and CT connection etc. (v) Refilling of the decanted transformer oil after centrifuging and testing for required di-electric strength. (vi) Refixing the transformer top cover with nuts, bolts and washers and conservator tank ready for final testing all as directed in presence of rep of MES. (vii) Preparing Inspection report for renewal of parts etc in presence of Engineer - in- charge and Contractor. (viii) The contractor shall arrange factory visit for the Engr-in- charge or his representative as and when required, testing of transformer to be done on full load at factory. (ix) Soldering/ brazing or connecting LV bus bars with suitable size nuts, bolts and washers (x) Providing necessary insulation papers, sleeves, PVC pipes insulation sheet etc. (xi) Renewal of worn out nuts, bolts and washers (xii) Checking complete functioning of AVR System if any defect found rectified for proper functioning of complete system complete all as specified and directed by Engineer in charge. Note:- Coil and insulation, shall be measured and paid separately under relevant item of this schedule.

M&L for drying/ovening of complete Core coil assembly (CCA) in vacuum chamber and continuous monitoring to improve IR Values after varnishing the coil to eliminate moisture content from Transformer with built in HT AVR of 500 KVA capacity complete all specified and directed by the Engg-in-Charge.

M&L for Re-assembling of 500KVA Transformer with built in HT AVR core, after drying and ovening, testing of magnetic circuit for IR values, assembly and connection of OLTC of all phases, testing of transformer at low voltage, checking of ratio and polarity test complete all as specified and directed by the Engg-in-Charge. Note:- The following routine test as per IS 2026 (Part I) -2011 shall be carried out at repairing workshop /manufacturer having NABL calibration of test equipments: (i) Measurement of winding resistance. (ii) Measurement of voltage ratio and check of voltage vector relationship. (iii) Measurement of impedance voltage/short circuit impedance (principal tapping) and load loss . (iv) Measurement of no load loss and current. (v) Measurement of insulation resistance. (vi) Dielectric tests (c) The contractor shall give written warranty of one year for the repaired transformer. Note :-HT/LT leg coils and transformer oil required for top up shall be measured and paid separately under relevant items of this Schedule here-in-after as supply only.

Disconnecting and taking down faulty and defective copper wound transformers of any capacity up to 315 kVA, 11000/433 Volts from two pole or 4 pole structure or substations and transporting to MES store yard for minor/major repair works complete all as specified and directed by Engineer-in-charge.

Disconnecting and taking down faulty and defective copper wound transformers of any capacity upto 400 to 630 kVA, 11000/433 Volts from two pole or 4 pole structure or substations and transporting to MES store yard complete all as specified and directed by Engineer-in-charge.

M&L for draining out complete transformer oil from transformer oil reserver tank up to 630 KVA capacity at MES store yard for major repair works and storing the transformer oil in suitable container (container to be provided by the contractor) for re-use (after repair of transformer) and lifting of core assembly by opening of top cover and other items for inspection/examination by Board of Officers and lowering/fixing of core assembly in its original position after inspection to make it ready for transportation to contractor workshop/factory for repair works. (Note :- Transportation charges will be paid separately against item No.67 & 68)

Transporting of defective/faulty copper wounds transformer of capacity up to 315 kVA , ratio 11000/433 Volts from MES store yard to contractor's workshop/factory for repair works and return back to MES store yard after repair works completed for installation at their same location complete all as specified and directed by Engineer in charge .

Transporting of defective/faulty copper wounds transformer of capacity 400 to 630 kVA , ratio 11000/433 Volts from MES store yard to contractor's workshop/factory for repair works and return back to MES store yard after repair works completed for installation at their same location all as specified and directed by Engineer in charge complete all as specified.

M&L for shifting of serviceable transformer of capacity up to 630 KVA from MES store Yard/Sub Stn (indoor/outdoor) or from any location at Delhi cantt for installation in place of unserviceable transformer and return back to MES store yard after replacing with repaired transformer complete all as specified and directed by Engineer-in-charge .

M&L for opening of faulty / defective transformer of ratio 11000/433 volts opening the top cover of transformer,carrying out the repairs/works at factory permisses (OEM) listed at serial No. (i) to (xi) below for the transformers of capacity up to 315 KVA . (i) Taking out the core/coil of transformer from tank by disconnecting star delta connection of transformer , After dismantling of Transformer and physical joint inspection of core coil assembly (removing all 3 limbs HV &LV winding from Core Assembly) washing of core assembly by hot oil for removing brunt carbon and copper particles and cleaning of complete top yoke by oil (ii) Painting inside of the transformer with yellow paint and outside body with synthetic enamel paint of existing tint/color Cleaning inside of the transformer by using transformer oil. (iii) Refixing/ reassemble of complete core assembly and core coil assembly providing new coils and new tap leads of tap changer including requisite insulation material including heating up the transformer core assembly to remove moisture after carrying out the repairs works . (iv) Renewal of rubberized gasket set for top cover, Brass spindles, LT and HT bushings ,tap changer connection WTI &OTI connection and CT connection etc. (v) Refilling of the decanted transformer oil after centrifuging and testing for required di-electric strength. (vi) Refixing the transformer top cover with nuts, bolts and washers and conservator tank ready for final testing all as directed in presence of rep of MES. (vii) Preparing Inspection report for renewal of parts etc in presence of Engineer - in- charge and Contractor. (viii) The contractor shall arrange factory visit for the Engineer - in- charge or his representative as and when required, testing of transformer to be done on full load at factory. (ix) Soldering/ brazing or connecting LV bus bars with suitable size nuts, bolts and washers (x) Providing necessary insulation papers, sleeves, PVC pipes insulation sheet etc. (xi) Renewal of worn out nuts, bolts and washers Note : Coil and insulation shall be measured and paid separately.

All as per item No.70 here in before but up to capacity above 400 KVA to 630 KVA complete all as specified and directed by Engineer-in-charge.

M&L in repairs for rewinding of HT coils with copper wire DPC/super enameled high quality matching with existing gauge and impedance including requisite insulating paper/material in each layer of winding after taking down old existing winding of HT coils of 11 KV transformer complete all as specified and directed by Engg-in-Charge. Note:- (i) The rate quoted against these items is inclusive necessary provision of all types of insulating materials,heating and varnishing etc.

All as per item No 72 here-in-before but LT coils with copper strips complete all as specified and directed by Engg-in-Charge.

M&L for drying/ovening of complete Core coil assembly (CCA) in vacuum chamber and continuous monitoring to improve of IR Values after varnishing the coil to eliminate moisture content from Transformer up to 630 KVA capacity complete all as specified and directed by Engg-in-Charge.

M&L for Re-assembling of up to 630 KVA Transformer core, testing of magnetic circuit for IR values, after drying and ovening assembly and connection of OLTC of all phases, testing of transformer at low voltage, checking of ratio and polarity test complete all as specified and directed by Engg-in-Charge. Note:- The following routine test as per IS 1180 (Part I) -2014 shall be carried out at repairing workshop /manufacturer having NABL calibration of test equipments. (i) Measurement of winding resistance. (ii) Measurement of voltage ratio and check of voltage vector relationship. (iii) Measurement of impedance voltage/short circuit impedance (principal tapping) and load loss . (iv) Measurement of no load loss and current. (v) Measurement of insulation resistance. (vi) Dielectric tests (c) The contractor shall give written warranty of one year for the repaired transformer. Note:- HT/LT leg coils and transformer oil required for top up shall be measured and paid separately under relevant items of this Schedule here-in-after as supply only.

M&L for hiring, transportation, Installation and testing of serviceable transformer of same capacity or higher in place of unserviceable transformer which is under repair and shifting back to workshop, on hire basis for 15 days when ordered complete all as specified and directed by Engg-in-Charge. Note:-1. Repairing of transformer have to be completed within 15 days duration, no extra cost will be paid toward hiring charges beyond 15 days. Moreover contractor shall not be allowed to shift the hired transformer until it is replaced by the repaired transformer. In case any fault/ breakage/burning/peeling of painting and any other defects occurred in hired transformer the contractor shall have to make good himself at his own expenses. 2. Contractor should check the available infrastructure and to be sure regarding safety of hired transformer before installation. The rate quoted is deemed to be included for all transportation cost, earthing leads lifting/lowering arrangement etc for transformer of capacity upto 630 KVA. 3. In case the defective/ unserviceable transformer not repaired & installed on its site within the specified period of 15 days from the date of handing over to contractor, a penalty recovery @ Rs. 1000/- per day will be charged from his dues. During this period contractor shall not be allowed to shift the hired transformer until it is replaced by the repaired transformer. No extra cost beyond 15 days will be paid to contractor on this account.

S&F in renewal of transformer bushing on LT-433 volt side including brass stems /rods conical bush and gasket suitable for indoor/outdoor transformer of following capacities complete all as specified and directed by Engg-in-Charge.

63 KVA to 315 KVA.

400 KVA to 630 KVA.

S&F in renewal of porcelain transformer bushing HT 11 KV including brass set stems conical bush and gasket for indoor/outdoor transformer of following capacities complete all as directed by Engineer-in-Charge.

63 KVA to 315 KVA.

400 KVA to 630 KVA.

S&F in replacement of breather assembly with vent pipe and new silica gel for indoor/outdoor transformer of capacity upto 315 KVA complete all as specified and directed by the Engineer-in-Charge.

All as per item No 79 here in before but for transformer of capacity 400 KVA to 630 KVA complete all as specified and directed by the Engineer-in-Charge.

M&L for centrifuging and dehydration including filtration and cleaning of transformer oil by using automatic centrifuging/dehydration machine electric operated without any shutdown of transformer including testing oil sample before and after dehydration and filtration oil to achieve min 35 to 40 KV breaking capacity at 4 mm gap by absorbing and abolishing all sludge particles for use as per BS-B-66-1983 complete all as specified and directed by Engineer-in-charge Note:- (i) Standby supply will be arranged by the contractor. (ii) Transformer oil required for top up shall be measured and paid for separate (iii) Contractor have to arrange the dehydration machine and testing kit from his own resources without any extra cost

Supplying and topping up transformer oil low viscosity, dielectric strength 35 to 40 kV breaking voltage for topping up transformers duly centrifuging including filter action by using automatic centrifuging machine to achieve min 35 to 40 KV breaking capacity at 4 mm gap by absorbing and abolishing all sludge particles for use as per BS-B-66-1983 complete all as specified and directed by Engineer-in-charge .

Supply and fill in replacement silica gel in transformer complete all as specified and directed by the Engg-in-Charge.

Painting of transformer after preparation of old painted surfaces of steel, by brushing/cleaning stain, greasy spots with thinner, applying two coats of spray painting with PU paint with spraying machine to transformer indoor/outdoor type, fixed on poles or in Sub Station at different location after disconnecting of HT supply from incoming and LT supply from outgoing capacity 63 KVA to 315 KVA complete all as specified and directed by the Engg-in-Charge.

All as per Serial item No.84 here-in-before but for panels of capcity 400 KVA to 630 KVA complete all as specified and directed by the Engg-in-Charge.

Disconnecting for shifting of electric outdoor type transformer of 11 KV capacity up to 630 KVA on existing 2/4 pole structure from HT/LT terminals and lifting by hydra for installation on newly constructed plinth complete all as specified and directed by the Engg-in-Charge.

Earthing complete in replacement with galvanized steel earth plate electrode 60cmx60cmx6mm thick buried directly in ground (Earth pit not less than 2.25 meter deep below ground level) with top edge of plate not less than 1.5 meter below normal ground level ,connected to and including galvanized iron earth wire 32 X 6 mm by means of nut, bolts, check nuts and washers of galvanized iron or steel and provision of charcoal dust and common salt packed all around the earth plate including necessary excavation and earth work in soft/loose soil and testing complete all as specified and directed and shown in electrical plate number 3 of MES SSR part-I (2009). The quoted rates shall inclusive the following:- (a) Excavation and earth work for drilling hole for electrode in soft/loose Soil. (b) PCC pit in cement concrete 1:2:4 type B-1, Pre cast RCC cover with suitable handle 40 mm thick in PCC 1:2:4 type B-1, reinforced with welded steel wire fabric weighing not less than1.87 Kg/ Sq meter. (c) Funnel with watering pipe of GI 20 mm nominal bore light grade and lugs etc complete all as specified and directed (d) 40 mm nominal bore medium grade GI protection pipe for protection of earthing lead complete all as specified and directed. (e) Requisite quantity of common salt and charcoal. (f) Testing of earthing.

S&F in replacement of galvanized iron strip 32x6 mm for additional earthing lead beyond 7.5 meter complete all as specified and directed by the Engg-in-Charge.

S&F in replacement Thermometer of transformer of capacity up to 630 KVA complete all as specified and directed by the Engg-in-Charge.

S&F in repairs Aluminum bus bars up to 400 Amps rating of any size suitable for LT/HT Panels as per existing dimensions including drilling holes, nuts/bolts and washers of suitable size complete all as specified and directed by the Engg-in-Charge.

S&F in replacement ACB 4 pole, 800 Amp, 50 KA, 415 Volt AC Horizontal draw out type, front operated with Micro processor based protection release for adjustable over current, short circuit and earth fault protection complete all as specified and directed by the Engg-in-Charge.

All as per Srl Item No.91 above but ACB 4 pole, 1000 Amp, 50 KA, 415 Volt AC complete all as specified and directed by the Engg-in-Charge.

M&L for servicing/testing of complete part of drawn out and fixed type ACB of size 800 Amps complete all as specified and directed by the Engg-in-Charge.

M&L for servicing / testing of complete part of drawn out and fixed type ACB of size 1000 Amps complete all as specified and directed by the Engg-in-Charge.

Note : contractor should procure and provide 50 % of the material as listed above within 15 days of the placing of work order and shall be verified by the Eng-in-charge

M P TYAGI ENGINEERS AND CONTRACTORS

Ridhi engineers and builders

Vijay Electricals

Rajindera Enterprises

mayur enterprises

Commercial Traders

DS CONSTRUCTION

Bidder Name

Rajindera Enterprises