REPAIRS/MAINTENANCE OF TRANSFORMERS, VCBs AND HIGH POWER SWITCH GEAR AND ALLIED WORKS UNDER GE DEOLALI

Amount

Carrying out preventive maintenance and servicing of 11KV Vacuum Circuit Breakers (VCBs) of make CG / ABB with rated capacity of 400 Amps / 800 Amps including dismantling of breaker mechanism, checking and setting of critical parameters, inspection and adjustment of spring charging mechanism, checking and alignment of pole contacts, greasing/lubrication of moving parts, verifying and adjusting contact pressure and alignment, trip test, trial run and functional testing to ensure smooth and correct operation. Calibration of overcurrent and earth fault relays (Make: L&T / Ashida / CG) by secondary injection method using artificial load for 11KV system. Complete all as specified and directed

Carrying out preventive maintenance and servicing of 33KV Vacuum Circuit Breakers (VCBs) of make ALSTOM / CG / ABB, rated for 400 Amps, including dismantling of breaker mechanism, checking of various critical settings, inspection and adjustment of spring charging mechanism, checking and setting of pole contacts, greasing/lubrication of all moving parts, verification and adjustment of contact pressure and alignment, and performing tripping test, trial run, and functional testing to ensure smooth and correct operation.Scope also includes calibration of overload current and earth fault relays of make L&T / Ashida / CG using secondary injection method with artificial load for 33KV system. Complete all as specified and directed.

M&L for replacement of old silica gel breather container with a new one of suitable capacity (500g–1000g), including all fittings and connections, complete all as specified for transformers ranging from 63 KVA to 500 KVA, Complete all as specified and directed.

Supply and fill silica gel crystal in the transformer breather container all as directed at site,Complete all as specified and directed.

Filtration of oil of serviceable distribution/power transformers at site while in running condition using a heating and vacuum process to remove moisture and impurities. The process shall include refilling the transformer with filtered oil up to the required level, ensuring the dielectric strength of the oil is not less than 40 KV for a 2.5 mm gap.Complete all as specified and directed.

M&L replacement of Drain Plug of Transformers as per existing size and make up to 500 KVA.Complete all as specified and directed.

M&L for repairs to leaking trasformers at site up to 500 KVA by opening the top cover, draning the transformer oil to the level just below the bushing, replacing the unserviceable bushings on HT&LT side with connecting rod, replacing the oil gaskets of bushings on HT & LT side, replacing the top oil gasket, reassembling, testing etc comlpete all as specified and directed .Note:- All materials required at site is deemed to be included in quoted rate.

M&L for Filling /topping of new transformer oil at various location at site as directed ,transformer oil Confirming to IS: 335 having dielectric strength not less than 40 KV complete including centrifuging of oil (if required) up to getting dielectric strength not less tha 40 KV for 2.5mm gap. Complete all as specified and directed. Note : (i) Transformer oil shall be supply only in sealed barrel (ii) Item Rate includes transportation & T&P reqiuired

Supply and fix in replacement 4 pole 25 Amps control switch (T&C) for 11 KV VCB. comlpete all as specified and directed.

S&F in replacement Ammeter digital type with 3 Ph( R-Y-B) of rating 0-100 Amps digital type of make- ELMEASSURE Model No- SL 1330 for existing 11 KV VCBs, of make- CG and making all necessary electrical connections, Complete all as specified and directed.

S&F in replacement Volt meter with 3 Ph( R-Y-B) digital of rating 0-11000 volt digital type for existing 11 KV VCBs of make- ELMEASSURE Model No- ALPHA+ 3V and making all necessary electrical connections,Complete all as specified and directed.

M&L in replacement for over current and earth fault relay of make L&T, Model No - MC-31A, suitable for 11 KV VCB ( indoor type),Complete all as specified and directed.

M&L in replacement for over current and earth fault relay of Make : L&T Cat Part No. MC-61AnX suitable for 11 KV VCB ( indoor type),Complete all as specified and directed.

M&L in replacement for over current and earth fault relay of Make CG Cat Part No.CGI 14N RELAY suitable for 11 KV VCB of make CG (indoor type),Complete all as specified and directed.

Supply and fix in replacement and testing in replacement OC & EF IDMT Relay Model Number: ADR-141 C, 18-250 VAC/ DC, Make- Ashida suitable for 11 KV VCB/400 Amps,Complete all as specified and directed.

M&L in replacement for triping/ closing coils assemby suitable for 33KV of make ABB out door type complete all as specified and directed.

M&L in replacement for triping/ closing coils assembly suitable for 11 KV VCBs of make ABB & CG indoor type complete all as specified and directed.

Supply & fix in replacement big gear of spring charging mechanism for 11 KV VCB 800/400 Amps capacity of make CG/ABB,Complete all as specified and directed.

Supply & fix in replacement small gear of spring charging mechanism for 11 KV VCB 800/400 Amps capacity of make CG/ABB,Complete all as specified and directed.

S&F in replacement indicating lamps of existing VCBs 11 KV and making all necessary connection complete all as specified and as directed.

Supply & fix in replacement Spring Charging Motor of ABB 33 KV VCB,,Complete all as specified and directed.

Supply & fix in replacement Spring Charging Motor for ABB 11 KV VCB 24volt DC supply 150 watt, model-NHP304283R1 ,Complete all as specified and directed.

Supply & fix in replacement Spring Charging Motor for CG 11 KV VCB, 230Volt DC type PMR5,150 watt of make Delco. Complete all as specified and directed.

Supply & fix in replacement vacuum interrupter bottle model No WL-34599 M3+ for 11 KV,400/800 Amps VCB vertical mounted contact type of make CG, ,Complete all as specified and directed.

Supply & fix in replacement vacuum interrupter bottle suitable for 11 KV, 400 Amp VCB horizontal mounted contacts type of make ABB, model No- VG-5C,Complete all as specified and directed.

Supply, installation, testing and commissioning of CT 11 KV epoxy resin cast type ratio 100-50/5/5 Amps, accuracy Class-I single pole (Three core type) fixing on existing 11 KV VCB panel of make CG including necessary connections, any modification/addition/ alteration required for fixing CT is deemed to be rate quoted including taking down old CT, ,Complete all as specified and directed.

M&L for scrubbing out old paint, rust etc from HT 33 KV main receiving yard (AC Power House) consisting of vertical channel 14 Nos and horizontal channel 40 Nos, Capacitor bank structure- 2 Nos consisting GI Pipe, Brasing frame, clamps and all nut and bolts including fencing 50 mtr long and 2 mtr height and making smooth and even surface then painting with one coat of anti rust paint and two coat of superior quality aluminium paint on entire exposed portion of 33 KV yard structure,,Complete all as specified and directed.

M&L for scrubbing out old paint, rust etc from HT 33 KV main receiving yard (MAP Power House) consisting of vertical channel 16 Nos and horizontal channel 20 Nos, Capacitor bank structure-01 No consisting GI Pipe, Brasing frame, clamps and all nut and bolts including fencing 30 mtr long and 2 mtr height and making smooth and even surface then painting with one coat of anti rust paint and two coat of superior quality aluminium paint on entire exposed portion of 33 KV yard structure,Complete all as specified and directed.

Supplying and fixing, jointing and testing heat shrinkable cable end joint , out-door type with and including jointing materials suitable for 11 KV , XLPE cable of size 95 sqmm , 3 core , complete all as specified and directed.

All as per Item No. 29 above, but for 3 core, 95 Sqmm, indoor type cable with aluminium conductor.Complete all as specified and directed.

All as per Item No. 29 above, but for 3 core, 120 Sqmm to 185 Sqmm, outdoor type cable with aluminium conductor.Complete all as specified and directed.

All as per Item No. 29 above, but for 3 core, 120 Sqmm to 185 Sqmm, Indoor type cable with aluminium conductor.Complete all as specified and directed.

M&L cable jointing kit for 11 KV (Earthed) grade cable for straight through heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 95 sqmm.Complete all as specified and directed.

All as item No 33 above, but for 3 core 120 Sqmm to 185 Sqmm aluminium conductor. Note:- For Item Nos. 29 to 34, excavation and earthwork shall be measured and paid for separately.

Supply, installation and testing in replacement 33 KV rated horizontal mounting 400 Amp Gang operated Air break off load, disconnecting switch. Tripple pole, each pole consists of Galvanized steel base, HT Insulators 27 Nos as per BSS./I.S non-ferrous knife and spring loaded contacts, arcing horns of adequate section to break magnetizing current of the transformers horizontal GI pipe of adequate lenghth for phase separation, adequate length of GI pipe for operation from ground level and operating handle complete in both OFF and ON position. complete all as specified and directed.

Supply, installation and testing gang operated air break switch in replacement 11 KV, 3 pole vertically mounted type, mechanically operated, mounted on steel frame with operating mechanism, worked from ground level for current upto 200 Amps and 9 insulators suitable for 11 KV, complete all as specified and directed.

All as item No 36 above, but for current rating upto 400 Amps.complete all as specified and directed.

S&F drop-out fuse unit, expulsion type for out door air break gang operated switch, single pole mounted on and including insulators and jumpers for 11kv working pressure fixed to and including MS channel with nuts, bolts and washers etc, systhetic bounded fuse tube complete with line cap suitable for current carrying capacity upto 100 Amps. complete all as specified and directed.

Supply, fixing and testing in replacement single pole non linear type lightning arrestor having rated voltage 11 KV and discharge current 65 KA suitable for 11000 volts,transmission class with connecting device complete all as specified and directed.

Suppy and fix in replacement polymer pin insulator with hardware for 33 KV line. complete all as specified and directed.

Supply and fix in replacement polymer Disc insulator with hardware fitting for 33 KV line. complete all as specified and directed.

Suppy and fix in replacement polymer post insulator for 33 KV line. complete all as specified and directed.

S&F in replacement pin type insulators porcelain, vitreous, white/brown/green colour for 11 KV grade including 1 Galvanized MS spindle, 1 galvanized iron nuts,2 GI washers of size 150 mm dia,150 mm height confirming to IS 731 of 1971, complete all as specified and directed.

S & F in replacement single disc insulator porcelain viterous, 145 mm high and 255 mm dia ball and socket type white /brown / green with tension clamps for conductor working pressure 11000 volts. complete all as specified and directed.

M&L for fault locating on HT cable 11 KV by using fault dector machine vehicle mounted including transportation material and all accessories tools and carrying out high pressure test. Complete all as specified and directed. Note:- Excavation, earth work for cable Jointing kit & other materials required for clearing the fault shall be measured and paid separetely under the respective items

Repair/maintenance of air break switch 33 KV complete by applying electrolytic grease to stationary, and moving contacts, and replacing unserviceable flexible copper earth strips, GI nuts, bolts, operating mechanism and operating handle( 32mm med GI pipe Approx 3.5 RM) etc incl alingment for smooth functioning from ground level all as required at site, complete all as specified and directed.

Repair/maintenance of air break switch 11KV complete by applying electrolytic grease to stationary, and moving contacts, and replacing unserviceable flexible copper earth strips, GI nuts, bolts, operating handle and operating pipe 25 mm medium grade Approx 6.0 RM etc incl alingment for smooth functioning from ground level all as required at site,complete all as specified and directed.

Supply,Laying , jointing and testing of 95 sqmm, 3 core size. underground cable heavy duty, 11000 Volts, XLPE ( earthed) insulated and sheathed, round armoured with multi-stranded aluminium conductor cable , laid in trenches/ducts or fixed to poles/walls or laid under roads/paths/drains/culverts duly encased in galvanised steel pipe of suitable sizes complete all as specified and directed

All as item No-48 above, but for 3 core 120 Sqm, complete all as specified and directed

All as item No-48 above, but for 3 core 150 Sqmm, complete all as specified and directed

Supply & lay in trenches double walled corugated HDPE pipe 110 mm dia for protection of under ground cables, complete all as specified and directed. Note: Pipe couplers with seals, bends, end covers, and all necessary accessories shall be deemed to be included in the quoted rate

Excavation in trenches n. exc. 1.5 mtr in wide and n. exc. 1.5 mtr in depth for laying of underground cable and getting out in soft/loose soil, complete all as specified and directed.

Excavation in trenches exc. 1.5 mtr in wide and n. exc. 3.0 mtr in depth for for foundation, etc. or for shafts, wells, cesspits,manholes, pier holes, etc and getting out in soft/loose soil complete all as specified and directed.

Returning, filling in excavated soil in trenches including spreading, leveling, watering and well ramming in layers n. exc. 25 cm thick complete all as specified and directed

Removing of excavted soil to a distance n. exc. 50 mtr and deposited where directed at a level not exceeding 1.5 mtr above the starting point complete all as specified and directed.

Supplying, install and errect in true vertical position steel tubular swaged welded pole in replacement complete with cast iron/MS base plate 6mm thick and of size 300x300mm, final taper, pole cap, bolts, nuts, washers & screws etc. pole made out of ERW M.S. tubing conforming to IS-2713 part-II type 410 SP-55 (11.0 metre long) HT including of holes of reqd Nos and size for fixing of cross arms, painting with one coat of red oxide primer and two coats of aluminium paint for exposed surfaces and two coats of black bituminous paint for portion embedded in concrete, painting three signal red colour bends at lower portion of exposed pole starting from plinth block , each band of 300mm height at 300mm spacing, painting pole No the black paint by stenciled letters/figures of 8 cm height complete all as specified and directed by Engr-in-charge. Note:1. Excavation and PCC works will be measured and paid separatly in respected items.

M&L for cement concrete (1:2:4) type B-1 using 20 mm graded stone aggregate as in foundation , filling and mass concrete necessary form work complete all as specified and directed.

M&L for cement concrete (1:4:8) type D-2 using 40 mm graded stone aggregate as in foundation for pole including necessary form work, complete all as specified and directed

M&L for Cross arms, bracings, supports,clamps and back plates fabricated from structural steel sections including nuts,bolts,washers, welding , bending cold or hot, drilling holes for bolts,in any shape or sizes as indicated or directed and inclusive of one primer coat and two coats of alluminium paint complete all as specified and directed.

M&L for earthing GI Strip complete with galvanized steel plate electrode 600 mm x 600 mm x 6.0 mm thick, burried directly in ground vertically in pit of depth not less than 2.25 metre below normal ground level with top edge of the earth plate at a depth not less than 1.5 metre below normal ground level surrounded from all sides with mixture of charcoal and common salt in alternate layers and electrode connected to galvanized iron strip (32 x 6) mm size by means of GI bolts, nuts, check nuts and washers, earth strip protected by galvanized steel pipe 40 mm bore (light grade) connected to main switch board or any other electrical equipment all as shown in electrical plate No. 3 of SSR-2009 Part I and including necessary excavation and earth work in any type of strata, 20 mm bore medium grade GI pipe for watering, funnel with wire mesh, PCC (1:3:6), type C-1 chamber, RCC (1:2:4), type B-1, reinforced with 6 mm dia MS round bars @ 15 cm c/c both way for cover and MS frame etc., including taking down old unserviceable earthings.complete all as specified and directed .

Supply and fix in replacement battery backed power pack input 110 volt AC supply and out put 24 Volt DC, 100 VA as per existing specification for 11 KV VCB, of make ABB, .complete all as specified and directed.

Supply and fix in replacement battery backed power pack input 230 volt AC supply and out put 110 Volt DC, 100 VA as per existing specification for 11 KV VCB, of make CG,.complete all as specified and directed .

Repair to residual voltage transformer of capacitor bank 3x65 kvar by uninstalling from the site, taking to work shop, dismantling, replacing the unsrviceable windings,replacing the old gaskets with new one, assembling, testing,painting & transporting to site, installing and testing at site.etc complete all as specified and directed.

M&L for removal of vegetation, undergrowth, bushes, and overhanging tree branches within the premises of E/M installations (substation) using mechanical bush cutter and surface excavation. JCB to be used where required. Scope includes cleaning of creepers growing on the fencing of the installation and disposal of waste vegetation to the nearest dustbin or designated location as directed. Work to be carried out periodically complete as specified and directed by the Engineer-in-Charge. Note: All tools, plants (T&P), and transportation required for removal and disposal of vegetation from the installation shall be deemed to be included in the quoted rate.

S&F in replacement tubing 'light grade' of 80 mm bore galvanised iron with all fittings and fixed to poles, walls etc. with flat iron clamps/bolts/nuts/washers or laid in floors/under roads complete all as specified and directed

All as item No -65 above, but for 100 mm bore, complete all as specified and directed

Dismantling of ACSR conductors (Weasel /ferret/Mink) from HT pole in any locatoin including insulators, complete all as specified and directed

Dismantling existing unserviceable / damaged HT MS Pole complete all as specified and directed.

Taking down existing defective HT under ground cable of any size from trenches,complete all as specified and directed

M&L for making underground boring (Manually/Mech) through existing bituminous road/PCC/Floor along cross section of the road at a depth approx 1.0 mtr for laying of GI tubing of dia 100 mm for encasing of cable,complete all as specified and directed

M&L for scrubbing out old paint, rust etc from HT two pole structure (including, cross arms channels, brackets,GI tubing, anti climbing divices etc complete) and making smooth and even surface then painting with one coat of anti rust paint and two coat of superior quality aluminium paint on entire exposed portion of two pole structure and writing feeder name 2 " size with white paint on black base, complete all as specified and directed

All as item No 71 above, but for four pole structure, complete all as specified and directed

M&L for scrubbing out old paint, rust etc from 11 mtr steel tubular pole of any size including cross arms, brackets & anti climbing divices and making smooth and even surface then painting with one coat of anti rust paint and two coat of superior quality aluminium paint on entire exposed portion of pole structure and writing Abbreviated feeder name in 2 " size with white paint on black base all as directed at site,complete all as specified and directed Note :The work shall be completed within the stipulated period as directed by the Engineer-in-Charge.

M&L for Levelling, cleaning of ground around 4 pole structure/2 pole structure and supply, filling & Spreading evenly stone boulders of approximate size 40 mm size, , complete all as specified and directed

Supply and fix in replacement galvanized iron strip 32 x 6mm fixed with saddles & fixing screws, PVC dash fastners, insulators fixed from test point to earth on walls or burried in ground / drawn into hume pipe,, complete all as specified and directed

M&L for anti-climbing device; spikes type fabricated out of M.S. bars (round, square and flat) including nuts, bolts, washers and welding in two halves made to shape to suit the cross section of the pole,, complete all as specified and directed

M&L for danger notice plate of 1.6 mm thick mild steel sheet, vitreous enamelled white, with letters, figures and conventional skull and bones in signal red colour and fixed with M.S. clamps, bolts and nuts of approved size, for HT, 25x20 cm size., complete all as specified and directed

M&L for loading/ unloading and shifting of transformer up to 500 KVA 11KV/433V from one location to another location within 5 KM distance with the help of crane including disconnecting all electrical connection from old place 4 Pole/2Pole/plinth mounted and making all necessary HT/LT electrical connection at new placeand testing complete without damage. , complete all as specified and directed

Supply & fix in replacement HT 12 KV 65 KVAR single phase, out door type capacitor box type for power factor corrector capacitor bank. Make Madhav capacitors or equivalent other make as approved by GE., complete all as specified and directed

M&L for transformer platform of size (2.0m x2.0 m x1.5) m from GL including necessary excavation ,PCC (1:4:8) type D2 for foundation, flyash brickwork in CM (1:6), PCC (1:4:8) type D2 sub base 75mm thick as in floor, PCC (1:2:4) type B1 100mm thick floor using extra cement, returning filling in and removal of surplus excavated soil, 4 mm dia galvanised steel iron 150mmx100mm mesh, MS angle iron (50x50x6) mm as fencing post, (65x65x6)mm in corner post, wicket gate 2.0m wide complete. All post to be embadded in brick/ PCC work and shall be painted with two coats of aluminium paints over a coats of red oxide primer and 3 coats of white washing over plastered surface. Note: Taking down transformer from plinth with the help of crane & reinstalling on newly constructed plinth is deemed to be included in quoted rate.

S&F in replacement RCC route marker/indicator of size (0.3x0.15x1.5) mtr complete including embossing " HT CABLE" painting with one coat of primer and two coats of oil paint as per colour coding specified and directed by Engr-inCharge for exposed surfaces, excavation,PCC(1:2:4) etc included in this item rate complete all as specified and directed by Engr-in- Charge.

M&L for dismantling of the defective transformer of 11KV/433V 100 to 500 KVA capacity from its base and removing the necessary electrical/earthing connections, removing the transformers from plinth/pole with arrangement of crane and taking the transformer to factory for repair/rewinding work and including transportating the back to site after repair installing and commissioning with all electrical connections to the existing services etc,, complete all as specified and directed

M& L for draining out the transformer oil from 100 to 500 KVA, 11KV/433V transformer through drain plug, opening the transformer & removing the Tap changer switch etc. including dismantling the high/low voltage coils from its core, clamps,channel, core lamination etc. complete and dismantling of core and tank, reassembling complete after repairs and testing,, complete all as specified and directed

M & L for replacement of HV coil by using new super enameled paper insulated copper wire as per existing data/size and weight including varnishing, heating coil,, complete all as specified and directed

All as per Ser No 84 above,here in before But for LV Coils, , complete all as specified and directed

M&L for reinsulation of existing HT serviceable coils with leatherised insulation paper as per original standard,, complete all as specified and directed

M&L for provision of sledge phase barrier etc. and dehydrating the HT/LT windings in oven to remove the moisture. , complete all as specified and directed

M&L for repair of tap changer assembly & replacement of worn out nuts and bolts and providing new copper lead for tap changer assembly., complete all as specified and directed

M&L for replacement of all gasket of top cover, HV & LV bushings etc. complete including of radiator's gaskets 11/0.415 KV, 100 to 500 KVA transformer,, complete all as specified and directed

Filtration of existing transformer Oil at factory by heating process taking out the moisture and impurities under vacuum and refilling in transformer upto required level having Die-electric strength not less than 40 KV for 2.5 mm Gap. , complete all as specified and directed

M&L for press board, spacers paper for 11KV/433V, 100 to 500 KVA transformer., complete all as specified and directed

Supplying, installing, testing and commissioning of AC 3 phase 50 HZ 100 KVA capacity Level-2 transformer step down, outdoor type 11000/433 volts (at no load) double copper wound, oil immersed, naturally cooled with external cooling tubes, core type, delta connected on primary (HV) side and star connected on secondary (LV) side in accordance with vector symbol DYN-11 (vector group-4) with neutral brought on secondary (LV) side & having tappings in equal steps of +/- 2.5 %or +/-5% or +/- 7.5% on primary side by means of hand operated off load tap changing gear, so as to change/correct L.T voltage on secondary side including provision of all necessary / standard fittings as per IS1180 lates & ammendments., complete all as specified and directed. Note: 1. Pre-dispatch test to be carried out by the rep of accepting officer at factory. 2. Pre- commissioning test shall be carried out as per existing policy. 3. First fill of transformer oil is deemed to be included in quoted rate 4. Old unserviceable transformer have been declared BER by BOO on 27 Feb 2019)

M&L for painting of 11KV/433 V distribution transformer of capacity 100 to 500 KVA with synthetic enemel paint two coats by spray painting approved colour after scraping of old paint, cleaning of all rusted portion, surface including sign writing i.e MES No, Make, Capacity etc complete all as specified and directed by Engineer-in-Charge

Excavating in post holes (or similar holes) each n exc 0.5 cum, getting out, returning,filling in and ramming earth or broken rubble mixed with earth around, in layers not exceeding 25 cm in hard dense soil.(for chain link fencing of transformer), complete all as specified and directed.

M & L for cement concrete (1:4:8) Type B2 using 40 mm graded stone aggregate in foundations, filling and mass concrete complete all as specified and directed.

Supply only chain link MS galvanized fencing of any size or type complete all as specified and directed.

Fixing only chain link fencing including line wires, any mesh, size and type to any type of standards, rails, straining bolts, etc.including provission of binding wire,complete all as specified and directed.

S & F mild steel bolt screwed one end with hexagonal or square nuts & washers the other end enlarged not exc 15cm long dia of neck 12mm, complete all as specified and directed.

M&L for Hand rails, half round or other steel section or core for wooden hand-rail straight portion,drilled and countersunk for balusters running bars, for doors, balusters, nosing to steps including embeding in concrete and screwing etc. wind ties for roof including securing bolts posts and struts in fencing including cutting tops to shape as directed, drilling holes,notching for wire, etc.; flat iron fillets (for securing wire mesh etc.) including all necessary drilling, bolting or riveting, etc.,and similar work conforming to Fe-290 Gde E-165,complete all as specified and directed.

S & F mild steel flat iron, round or square bars, in available lengths,of Fe-290, Gde-E-165 complete all as specified and directed.

S&F 10 mm dia MS Round bars as in support of Chain Link Fencing,complete all as specified and directed.

M&L for preparation new or previously untreated steel and steel- based surfaces of any description, not otherwise described, over 10 cm width or girth and applying two coats of synthetic enamel paint over a coat of one coat of red oxide primer complete all as specified and directed.

M & L for Framed work such as grills, gratings, etc.. with ends of bars shouldered and/or riveted,or forged into spikes; framed guard bars; barred iron doors; ladders; framed balusters; walk ways; railings; framework of water tanks and similar work conforming to Fe.290.Gde-E-165,complete all as specified and directed.

M&L for preparation new or previously untreated steel and steel- based surfaces of any description, not otherwise described, n,exc 10 cm width or girth and applying two coats of synthetic enamel paint over a coat of one coat of red oxide primer complete all as specified and directed.

M&L in replacement of glow sign board for fixing at MES installations /sub stations fabricated out of one side polycarbonate unbreakable sheet LG vinyl cutting duly framed with 18 SWG GI sheet and angle iron frame (1.5 Mtr x 1 Mtr x 0.25 Mtr ) and necessary support made up of 25 mm x 25mm (Square hollow pipe) errected at a height of 2.0 mtr (with iron Angle 50mm x50mm x 5 mm and supproting angle of size 50mm x50mm x 5 mm) imbeded in PCC(1:3:6). The sign board to be written in bold letters of standard size as per sample approved by Engineer in Charge, duly fitted with 3 x 10 watt LED invertor tube light fittings with prewired and connected to the street light feeder through one three core PVC insulated copper conductor cable 1.5 sqmm drawn through PVC conduit of 20 mm dia to avoid mechanical damage on ground and raising on sign board or street light pole or Bldg for MES INSTALLATIONS complete all as specified and directed.

M&L for charging of SF6 gas in the RMU/ switch geares to the correct specified pressure as per manufacturer reccomendation,complete all as specified and directed.

Nexus Infratech (BID ID -3450958)

sapana enterprises (BID ID -3443629)

MAHIMA CONSTRUCTION (BID ID -3439958)

Rama Electricals (BID ID -3444643)

Maruti Abhiyantriki (BID ID -3444813)

GB CONTROLS AND SERVICES (BID ID -3445043)

DURGAI ELECTRICALS (BID ID -3443176)