CWE/GGN/GT-46/2025-26 REPAIR/ REPLACEMENT AND MAINTANANCE OF 11 KV HT DISTRIBUTION SYSTEM UNDER GROUND HT LINE, VCB, TRANSFORMER AND ALLIED WORKS OF EXTERNAL ELECTRIFICATION AT AF STN NARELA, AF STN RAJOKRI AND AF STN ARJANGARH IN AOR OF GE (AF) GURG

Amount

Supply, laying & testing for XLPE insulated, armoured, heavy duty electric cable with stranded aluminium conductor, 11000 volts grade earthed, confirming IS-7098 (Part-I), laid in trenches, sleeving through pipes or fixed on poles & walls or laid under floors including jointing with suitable size aluminium lugs complete of size 95 Sqmm 3 core nominal cross sectional area complete all as specified and directed

Supply, laying & testing for XLPE insulated, armoured, heavy duty electric cable with stranded aluminium conductor, 11000 volts grade earthed, confirming IS-7098 (Part-I), laid in trenches, sleeving through pipes or fixed on poles & walls or laid under floors including jointing with suitable size aluminium lugs complete of size 120 Sqmm 3 core nominal cross sectional area complete all as specified and directed

Taking out the old existing HT & LT cables of size 35 Sqmm to 120 Sqmm from trenches of any type and size complete all as specified and directed.

Supply, laying & testing for XLPE insulated, armoured, heavy duty electric cable with stranded aluminium conductor, 11000 volts grade earthed, confirming IS-7098 (Part-I), laid in trenches, sleeving through pipes or fixed on poles & walls or laid under floors including jointing with suitable size aluminium lugs complete of size 150 Sqmm 3 core nominal cross sectional area incl taking out old u/s cable complete all as specified and directed

Supply, laying & testing for XLPE insulated, armoured, heavy duty electric cable with stranded aluminium conductor, 11000 volts grade earthed, confirming IS-7098 (Part-I), laid in trenches, sleeving through pipes or fixed on poles & walls or laid under floors including jointing with suitable size aluminium lugs complete of size 50 Sqmm 3 core nominal cross sectional area complete all as specified and directed

Supply , laying & testing for XLPE insulated, armoured, heavy duty electric cable with stranded aluminium conductor, 1100 volts grade, laid in trenches, sleeving through pipes or fixed on poles & walls or laid under floors including jointing with suitable size aluminium lugs complete of size 120 sq mm 3.5 core complete all as specified and directed.

Supply , laying & testing for XLPE insulated, armoured, heavy duty electric cable with stranded aluminium conductor, 1100 volts grade, laid in trenches, sleeving through pipes or fixed on poles & walls or laid under floors including jointing with suitable size aluminium lugs complete of size 95 sq mm 3.5 core complete all as specified and directed.

Supply , laying & testing for XLPE insulated, armoured, heavy duty electric cable with stranded aluminium conductor, 1100 volts grade, laid in trenches, sleeving through pipes or fixed on poles & walls or laid under floors including jointing with suitable size aluminium lugs complete of size 50 sq mm 3.50 core complete all as specified and directed.

Supply , laying & testing for XLPE insulated, armoured, heavy duty electric cable with stranded aluminium conductor, 1100 volts grade, laid in trenches, sleeving through pipes or fixed on poles & walls or laid under floors including jointing with suitable size aluminium lugs complete of size 35 sq mm 4.0 core complete all as specified and directed.

Supply , laying & testing for XLPE insulated, armoured, heavy duty electric cable with stranded aluminium conductor, 1100 volts grade, laid in trenches, sleeving through pipes or fixed on poles & walls or laid under floors including jointing with suitable size aluminium lugs complete of size 240 sq mm 3.5 core including taking out old u/s exiting cable complete all as specified and directed.

Supply and fix in replacement cable route indicator made out of 40mm x40mmx4mm mild steel angle iron 1 meter long and mild steel plate of size 100mmx150mmx6mm welded only on one side and having embosed on plate as cable HT including PCC 1:2:4 type B1 of size 30cmx30cmx30cm and embedding angle iron including excavation and earth work complete all as specified and directed.

M&L Cable jointing kit for 11 KV (Earthed) grade cable for outdoor termination heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armourend aluminium conductor cable of size 50 sqmm to 95 sqmm complete all as specified and directed.

M&L Cable jointing kit for 11 KV (Earthed) grade cable for outdoor termination heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armourend aluminium conductor cable of size 120 sqmm to 185 sqmm complete all as specified and directed.

M&L Cable jointing kit for 11 KV (Earthed) grade cable for indoor termination heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armourend aluminium conductor cable of size 50 sqmm to 95 sqmm complete all as specified and directed.

M&L Cable jointing kit for 11 KV (Earthed) grade cable for indoor termination heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armourend aluminium conductor cable of size 120 sqmm to 185 sqmm complete all as specified and directed.

Supply, stringing and fixing of aluminium conductor steel reinforced (ACSR) of any type including binding with and including suitable size of binding wire complete including dismantling and taking out worn out ACSR conductor from overhead electric line complete all as specified and directed.

Supply, stringing and fixing in replacement of GI wire 4 mm dia for earth protection complete all as specified and directed.

Supply and fixing GI stay wire of 7/4 SWG upto required length including taking out and u/s one complete all as specified and directed.

Supply and fixing mild steel galvanised stay assembly set complete comprising of 16 mm dia, 400mm long stay bow, 2150mm long stay rod 20mm dia, 300mm x 300mm x 6mm stay plate, thimble, all as shown in electrical plate No.1 of MES Schedule part-I 2010 complete including dismantling and taking out old damaged stay assly complete all as directed. Note :- PCC , earth work and Insulators etc shall be measured and paid separately.

M&L in replacement for Cross arms, bracing, supports, clamps and back plate, fabricated from structural steel section including nuts, bolts, washers, welding, bending cold or hot, drilling holes for bolts, in any shape or size as directed including two coats of synthetic enamel paint over a coat of red oxide primer, complete all as directed .Dismantling and taking out damage/rusted cross arms, bracings, supports, clamps and back plates from existing poles / dismantled poles / pole structures complete all as directed.

S&F Danger notice plate of 1.6mm thick mild steel sheet vitreous enameled white with letter figures and conventional skull and bones in signal red colour and fix with MS clamp for HT size 25 X 20 Cm incl taking out of old us existing complete all as specified and directed.

M&L Pin type, porcelain, vitreous, white, brown or green insulator, 150 mm height, 150 mm dia for 11000 volts grade including one galvanised mild steel spindle, two galvanised iron washer and one galvanised iron nut incl taking out unsv existing complete all as specified and directed.

S&F in replacemnt new Shackle type, porcelain, vitreous, white, brown or green insulators 150mm dia and 150 mm height for working pressure 11000 volts including galvanised mild steel strap 38 x 5 mm size, washers, 20mm dia insulator bolts, washers & nuts complete all as specified and directed.

M&L in replacement for Disc type insulator, porcelain, vitreous, white, brown or green insulator (Single disc assembly) of size 145 mm height, 255 mm dia ball socket type for working pressure 11 kv volts grade including one galvanised mild steel spindle, two galvanised iron washer and one galvanised iron nut complete all as specified and directed.

M& L in replacement loop type, porcelain, vitreous, white, brown or green insulator large type 140 mm , clearence of hole 25.5 mm for 11000 volts grade including out of U/S one complete all as specified and directed.

Supply & fix in replacement lightening arrestor linear resistance type distribution class 9 KV RMS suitable for 11 KV system pole mounting type conforming to IS-3070 Part-I including taking down existing U/S one complete all as specified and directed.

S&F in replacemnt vice type connectors of size 4 to 7 mm dia consisting of two brass plates and two steel bolts and nuts for two conductor of equal or unequal sizes for non tension connections including treatment of connector and ACSR conductor with conducting jelly complete all as specified and directed.

M&L in replacement for vice type connectors of size 10 to 13 mm dia consisting of two brass plates and two steel bolts and nuts for two conductor of equal or unequal sizes for non tension connections including treatment of connector and ACSR conductor with conducting jelly complete all as specified and directed.

Supply and fix in replacement gang operated air break switches, triple pole, manually operated, mounted on insulators and steel frame, with operating mechanism worked from ground level horizontal / vertical type for rating upto 400 Amps, 11000 volts complete with GI operating pipe of heavy duty complete all as specified and directed.

Supply and fix in replacement outdoor type switch air break gang operated switches, triple pole, mechanically operated, mounted on insulators and steel frame, with operating mechanism worked from ground level horizontal / vertical type with 25 mm dia galvanised iron pipe medium grade, operating rod of suitable size for rating upto 200 Amps, 11000 volts complete all as specified and directed.

S&F in replacement drop out fuse assembly complete set with Insulator-06 Nos and connected accessories for 11000 V grade of 400 Amps capacity including taking down U/S DO fuse assmbly complete all as specified and directed.

S&F in replacement 11 KV drop out fuse assembly (Set of Three) with Insulators, barrel and suitable rating of fuse element as per site requirement complete all as specified and directed.

Supply and fix in replacement Expulsion fuse single pole capacity of Voltage 11KV and current up to 25 Amp complete all as specified and directed.

Complete all as per Item No 33 herein before but capacity of Voltage 11KV and current above 25 & upto 50 Amps.

Complete all as per Item No 33 herein before but capacity of Voltage 11KV and current above 50 & upto 100 Amps.

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 armourend aluminium conductor cable of size 50 sqmm to 95 sqmm 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 armourend aluminium conductor cable of size 120 sqmm to 185 sqmm complete all as specified and directed.

M&L for On load centrifuging and Dehydration incl filteration and cleaning of oil of existing transformers 11 KV minimum three cycles to achieve dielectric strength up to 60 KV in 2.5 mm gap electrode and toping up of oil if required at site . Note : (i) Dehydration of transformer / voltage stabilizer oil shall be carried out at site and contractor shall be taken the testing result before and after dehydration of oil and shown to the EIC at site and maintain necessary documents for record . (ii) Dehydration Machine with all T&P & Transformer oil testing machine for dehydration of Transformer oil and necessary transportation for the machines is arrange by contractor . (iii) Oil required for topping up the transformer / voltage stabilizer will be measured & paid separatly

Supply and charging topping up of new low viscosity transformer oil from sealed drums confirming to IS 335-1993 Part-II after testing the correct dielectric strength up to 60 KV at 2mm gap duly de-hydrated complete all as specified and directed. Note : (i) Oil should be supplied in sealed barrel of power/ transol brand. (ii) Oil shall be filled in the transformers/stabilizers to be repaired or installed at site at different loactions.

Supply and fix Off load Tap changer switch of existing model / type of Transformer of capacity 100 to 160 KVA .

Supply and fix Off load Tap changer switch of existing model / type of Transformer of capacity 400 KVA .

Supply and fix Off load changer switch of existing model / type of Transformer of capacity 630 to 1000 KVA .

M&L for preparation of old painted surfaces steel by brushing/changing stain, greasy spots with thinner and apply two coats of spray painting with super enameled smokes grey colour paint of approved by Dept. and writing the MES / SM No with white paint as directed to transformer indoor/outdoor installed at various different locations complete all as specified and directed at site.

100 to 200 KVA

630 to 1000 KVA

S&F in replacement Assembly Vaccum interrupter complte with epoxy support insulator and self alignng finger type isolating contact complete all as specified and directed

S&F in replacement Motor 230 Volts AC charged independent spring closing/ tripping trip fee operating mechanism with manual closing tripping push buttons and mechanical breaker "closed/open" spring charged/ discharged indication complete all as specified and directed

S&F in replacement Electrical release coil of 24 Volt DC complete all as specified and directed

S&F in replacement Shunt trip coil 24 Volt DC complete all as specified and directed

S&F in replacement Auxiliary switch complete all as specified and directed

S&F in replacement 230 Volts AC single phase 80 watt rated strip type heater with toggle switch and thermostat complete all as specified and directed

S&F in replacement Numerical type 3 phase over current and earth fault relay and CT rating 5 Amp operated on auxilliary supply 24 volts to 110 volts AC/DC programmable complete all as specified and directed

S&F in replacement 11KV metering CT, single core single core single ratio epoxy resin cast copper wound primary type with rate burden 5VA, class 0.5S confirming to IS-2705 complete all as specified and directed

S&F in replacement Potential Transformer ration three single phase 11KV/rt3/110V/rt 3 class 0.5-3, with burden 50 VA and insulation level 28/75 confirming to IS-3156 complete all as specified and directed

S&F in replacement 3 Phase RYB indication lamp complete all as specified and directed

S&F in replacement HT Digital MFM (Digital Multi Function meter) for monitoring frequency, power consumption, load on each phase, voltage, current, power factor etc complete all as specified and directed

S&F in replacement Male-Female contact Set for 11 KV VCB and its connected item complete all as specified and directed

M & L for complete repairing / Serviceing of HT 11 KV Vaccum circuit breaker (VCB) after disconnecting of all incoming and outgoing connection, checking/finding of the defective spare/parts, removing of all moisture content with suitable grade chemical, replacement of rusted nuts,bolts and washer, replacement of all unserviceable post insulator and repair of all busbar joints and covered with HT insulation tape, painting of all internal surface where required and complete external surface as per existing colour and quality, replacemnt of all defective internal AC/DC circuit wiring, repair/servicing of breaker trolly including motorized operating mechanism, CT/PT, power pack and calibration of triping relays system and tripping mechanism for regulating the fault flow (Over Current, Earth Fault, Differential) in sequence from down streem to receiving Sub stn for accuracy and effective functioning of VCB complete all as specified and as directed. Note : (i) Nuts , bolts, washer, painting, cleaning material, insulation tape, copper wire for circuit wiring and defective HT 11 KV 2 Amp fuse , carrier oiling greasing to charging spring ,replacement of HRC fuse 110/220 volt 5 Amps setting of over current , earth fault ASHIDA ADR131A relays / L&T Relay complete other minor items for repair of breaker shall be deemed in qouated rate. (ii) Replacement of major unserviceable spares/accessories shall be measured & paid separately under relevant items of this Schedule ‘A (iii) During repair work/serviceing work carried out in VCB panel all the existing HT connection/HT cable connected with other VCB for continuous supply to the feeder. (iv) Service & calibration to be done by authorised service centre or OEM. (v) Calibration report shall be submitted in duplicate copy.

Supply only Shunt trip coil assembly suitable for HT VCB, operating on 30/110 volt system and testing complete all as specified and directed

Supply only closing/ tripping coil operated on 110/30 volt system suitable for working of relay for HT VCB complete all as specified and directed

Supply only Analouge/ Digital Amp-meter CT operated of size 144 mm x144mm suitable for HV panel board 11000 V ranging 0 to 100/50 Amp complete all as specified and directed

Supply only Analouge/ Digital Volt meter of size 144 mm x144mm suitable for HV panel board 11000 V ranging 0 to 15 KV(excluding PT) complete all as specified and directed

Supply only Charging bottle suitable for 11 KV VCB trolly complete all as specified and directed

Supply only Battery 2 volts, 100 AH for battery bank installed at Power House complete all as specified and directed

Supply only Battery Charger suitable for charging to battery bank 2 volt , 100 AH (15 Nos) including digital type voltmeter, amp meter complete all as specified and directed

Supply only limit switch 110 volts operated suitable for HT 11 KV VCB charging motor circuit complete all as specified and directed

Supply only copper Bus bar of size 50mm x 6 mm thick wrapped with HT sleeves and provision of making holes as required with copper nuts, bolts & washers suitable for HT 11 KV VCB panel complete all as specified and directed

Supply only vacuum interupter for HT 11 KV VCBs, 630/400 amps, breaking capacity, 13.1 KA suitable for Alstom make VCB complete all as specified and directed

Supply only spring charging motor suitable for fixing with 11 KV indoor type VCB panel complete all as specified and directed .

Supply only battery charger suitable for charging to battery bank 12 volts 7 AH (02 Nos) complete all as specified and directed .

Supply only Heater 230 volts AC 60 watt for 11 KV HT VCB panel complete all as specifed and as directed.

Supply only Neon indicator lamp LED type with high intensity 40-240 volts AC and 40-220 volts DC with holder complete all as specified and as directed.

Supply and testing in replacement Epoxy resin cost totaly enclosed dual core type Current transfomer (CT) for protection and measuring of system having ratio of 100/50 : 5 / 5 A , Burden-10VA, class-I, insulation level 12/28/75 KV, STC- 18.4 KA for 1 sec as per ISS-2705 and IEC-60044 including dismantling of old one complete all as specified and directed.

Supply and testing in replacement voltage transformer of ratio 1100 RT3 / 110RT3V Acc class 1.0 burden 200 VA STC 25 KA for 1 sec including copper extention strips of required size and rating complete all as specified and directed.

Dismantling Air Circuit Breaker 4pole/3pole, 630 to 2000 Amps 415 Volts, draw out/fixed type from location and repair /overhauling of spring drive mechanism, coil, auxiliary switch including setting of over load coil,no volt coil, tripping coil & apply multi grease for mechnical parts, cleaning and inspecting male and female contacts and apply dry graphite conductive sealant for contacts, checking of electrical wiring system, testing, and assembling all items/components parts to the respective position and testing complete all as specified and directed by engineer in charge Note : Spare parts will measured and paid separately.

Taking down and repairing/ overhauling of air break gang operated switch with DO fuse unit 200 Amp/400 Amp capacity triple pole mechanically operated mounted on insulators and steel frame installed vertically / horizontally , replacement of broken/worn-out components, oiling and greasing of mechanical moving parts, smoothing and polishing of electric contacts with providing conducting jelly of contacts refixed the same after repair including proper allienment complete all as directed. Note:- Worn out component/ insulators / ASCR shall be measured and paid separately.

Supply only following components to incorporated for repair of air break gang operated switch :-

Female contact or fixed contact heavy duty and high conductive metal complete capacity 200A/400 Amp 11 KV

Male contact or Moving contact heavy duty and high conductive metal complete capacity 200A/400Amp 11 KV .

Tinned copper flexible jumper 200A/400A

Fixed top contact & Fixed bottom contact 11 KV 400 Amp for DO fuse unit.

Fiber glass tube with metalic fittings both ends suitable for DO fuse 11KV

Supply only mild steel jumper carrier as per sample.

Supply only back connector plate as per sample.

Supply only post insulator 11 KV as per sample.

Transformer capacities 100 to 400 KVA

Transformer of capacity 630 to 1000 KVA

Supply and replace of silica jel cristal complete all as specified and directed.

Disconnecting the HT&LT connections and taking down of existing indoor/outdoor/canopy type transformer of capacity upto 200 KVA mounted on 2/4 pole structure/plinth/substation and transport to factory from site/power House/AGE E/M yard for repair and back to site/Power House/AGE E/M yard after necessary repair/replacement of defective parts including installation at the same location and testing, complete all as specified and directed. Note:The rate quoted for the item include the following:- (i) Arrangement of Manpower, tools, plants, crane and recovery vehicle for transportation and shifting of transformer to work shop and nback. (ii) Re-winding of defective winding of transformer, if required will be carried out under respective item. (iii) Any damage occured to transformer during the process of disconnecting/taking down/transportation, shall be made good by the contractor to the entire satisfaction of the Engr-in-charge & GE at his own cost.

Material and labour for rewinding of HV side of copper/Aluminium wound transformer with DPC copper winding wire as per relevant IS:1180 and using original guage/ data including insulating materials such as cotton tape, packing and sleeve etc varnishing by vaccum impregnation and baking of coil core assembly for alumnium wound transformer including taking down of old u/s aluminium winding wire complete all as specified and directed.

Material and labour for rewinding of LV side of copper/Aluminium wound transformer with DPC copper winding wire as per relevant IS:1180 and using as per original guage/ data including insulating materials such as cotton tape, packing and sleeve etc varnishing by vaccum impregnation and baking of coil core assembly for alumnium wound transformer including taking down of old u/s aluminium winding wire complete all as specified and directed.

M&L for opening of top cover and other items for checking of faults/repair and lowering / refixing the same in its original position after inspection to make it ready for transportation to carry out rewinding work in workshop including transportation of unservicieable transformer upto 400 KVA capacity from site location to workshop and back after repair the transformer and refixing/connection the same (rate is deemed to be inclusive of transportation , T&P and men power) complete all as specified and directed.

M&L for Electrical rubber hand gloves and shoes suitable on working pressure of 33 KV complete all as specified and directed.

M&L for fibre glass discharge rod suitable for 11 KV working pressure including all accessories complete all as specified and directed.

Supply and fixing in repalcement of heavy duty breather assembly with Silica jel cristal for Transformer as per existing shape and size complete all as specified and directed.

Transformer of capacity 400 KVA

Transformer of capacity 250 KVA

Transformer of capacity 50 - 200 KVA

Materials and labour for removing the burnt out/ damaged LV bushes with porcelain insulator and replace with Brass LV bushes, nuts, check nuts, rubber washer etc complete as per the existing size / model, for transformers of capacity complete all as specified and directed.

100 to 160 KVA

630 to 1000 KVA

S&F LV porcelain bushing and rod assembly for distribution transformer with metal parts brass as per IS:3347 Part-III and 4 Nos Hexagonal nuts, upto 200 KVA Transformer complete all as specified and directed

Materials and labour for removing the burnt out/ damaged HV bushes with porcelain insulator and replace with Brass HV bushes,nuts ,check nuts, rubber washer etc complete as per the existing size / model, for transformers of capacity complete all as specified and directed.

100 to 160 KVA

(ii) 400 KVA

630 to 1000 KVA

S&F HV porcelain bushing and rod assembly for distribution transformer 12 KV / 250 Amp with metal parts brass as per IS:3347 Part-III and IS 2009 complete all as specified and directed

Supplying and fixing in replacement, Porcelain transformer bushing on LT (440 Volt) side, including brass stems conical bush and gasket after disconnecting electrically and mechanically for indoor/outdoor transformer of capacity upto 400 KVA and re-connecting electrically and mechanically, testing complete all as specified and directed. Note.The rates quoted is deemed to be included the cost of necessary labour charges for draining out & re-filling transforer oil, opening of top cover by unscrewing nut, bolts washers and provision of pad type bus bar almuminium of approppiate size /capacities of transformers with nut bolt & washers.

Supplying and fixing in replacement, Porcelain transformer bushing on HT (11 KV) side, including brass stems conical bush and gasket after disconnecting electrically and mechanically for indoor/outdoor transformer of capacity upto 400 KVA and connecting electrically and mechanically, testing complete all as specified and directed. Note.The rates quoted is deemed to be included the cost of necessary labour charges for draining out & re-filling transforer oil, opening of top cover by unscrewing nut, bolts washers and connections.

M&L for Earthing to OH/Sub stn with galvanised steel earth plate electrode 60cm x 60cm x 6mm thick, buried directly in ground (earth pit not less than 2.25m below normal ground level) with top edge of earth plate not less than 1.5m below normal ground level connected to main earth lead GI wire 4 mm dia by means of bolts, nut, check nuts and washers of galvanized iron or steel all as shown in electrical plate No.5 of MES Schedule pt-I 1991, GI earth lead wire protected by GI pipe 15mm dia light grade and connected to earth test point including excavation in any type of soil,returning filling, disposal of soil, providing charcoal dust and common salt upto top edge of earth plate, construction of PCC pit with RCC cover, funnel, watering pipe of 20mm dia GI light grade and provision of earth test point including testing on completion complete Note : Main earth lead beyond 7.5 meter including protection pipe of suitable size shall measured and paid saperatly.

Complete all as per item No 55 herein above but main earth lead 32 x 6 mm galvanised iron strip.

Complete all as per item No 55 herein above but using copper plate 60×60cm×3.15mm thick electrode and 20×3mm copper strip as earthing lead.

M&L in replacement for Earth continuity conductor or main earthing lead of 32 x 6 mm galvanized iron strip, buried in ground or fixed to wall in repair with saddles and fixing screw, drawn into pipe for roof conductor and down conductors complete all as specified and directed.

M & L for Earthing complete with GI earth plate electrode 60cmx60cmx6mm thick, buried directly in ground (earth pit not less than 2.5 metres deep below normal ground level) with top edge of the plate not less than 1.5 metre below normal ground level, connected to and including using GI strip 25×4mm as earthing lead by means of bolts, nuts, check nuts and washers of galvanized iron or steel, earth plate surrounded by packed layer of char coal dust and common salt, 15cm thick all around bottom and top and watering pipe 20mm bore of GI medium grade with funnel, wire mesh and 40 mm dia GI protection pipe light grade all as shown in electrical plate No 3 of SSR Part-I and connected to earthing test point, main switch board and testing on completion including excavation, earth work concrete pit with 80mm thick RCC cover in RCC 1:2:4 type B-1 duly reinforced with MS bars 8mm dia @ 150C/C both ways and pit chamber in PCC 1:2:4 type B-1 with 2 Nos suitable lifting handles of 12mm MS bar in cluding taking out old u/s material from existing earthing complete all as specified. Note : rate quoted shall be inclusive of length of earthing strip upto 7.50 meter.

Supply and fixing in replacement test point terminal block made of gun metal or phosphorus bronze size 75x75x25mm drilled, screwed including 3 nos. 8mm dia 25mm long hex. head screw & brezing all joints complet all as specified & directed

Supply & Fix shock treatment chart standard size with diagrams and illustrations dully framed properly laminated including hooks for fixing/ fastening. The detail illustrations shall be in Hindi & English all as directed and as specified.

M&L for pole painting, concrete pole with 02 coat of wheather exposed dust proof "apex" emulsion, pole height should be 9/11 mtr. Painting should be done from top to bottom at ground level. Bottom portion of the pole upto 1.50 m from top of the copping with one coat of synthetic enamel paint with marking pole numbers & marking three blue & two white strips width 25 cm by fluorescent paint complete all all as specified and directed .

Supply and fill of back feel compound in earth pit complete all as specified and directed .

Supply and fixing in replacment of GI tubing, light grade, 80 mm bore with all fitting lais in trenches /pole /wall for protection of cables complete all as specified and directed.

Supply and fix cable jointing kit for 1.1 KV grade cable for straight through joint complete with Jointing material of tubular sleeve version and accessories suitable for 3½ / 4 core XLPE armoured Al conductor cable of size 70 to 150 sq mm complete all as specified and directed.

Supply and fix cable jointing kit for 1.1 KV grade cable for straight through joint complete with Jointing material of tubular sleeve version and accessories suitable for 3½/ 4 core XLPE armoured Al conductor cable of size 185 to 300 sq mm complete all as specified and directed.

Supply and fix LT cable jointing kit for 1.1 KV grade cable complete with jointing material and accessories 1100 Volt Cold Shrinkable having size 25 to 50 Sqmm for 3.5/ 4.0 core outdoor type complete all as specified and directed.

Supply and fix LT cable jointing kit for 1.1 KV grade cable complete with jointing material and accessories 1100 Volt Cold Shrinkable having size 70 to 150 Sqmm for 3.5 core outdoor type complete all as specified and directed.

Supply and fix LT cable straight through jointing kit for 1.1 KV grade cable complete with jointing material and accessories 1100 Volt Cold Shrinkable having size 25 to 50 Sqmm for 3.5 core complete all as specified and directed.

Supply and fix LT cable straight through jointing kit for 1.1 KV grade cable complete with jointing material and accessories 1100 Volt Cold Shrinkable having size 70 to 150 Sqmm for 3.5 core complete all as specified and directed.

Supply and fixing steel tubular pole, sewaged, complete with cast iron base plate, finial taper plug, bolts, nuts, washer and screws including painting with two coats of aluminium paint over one coat of red oxide primer on all exposed surfaces and tarring with black bituminous paints to portion embedded in PCC including numbering of poles with two coats of synthetic enamel paints, type 410-SP-31 (9 meter long) complete, Including disconnecting and taking out old damage PCC pole complete all as spefcified and directed.

Supply, erecting and fixing in true vertical position/ as strut, steel tubular sewages poles complete with cast iron base plate, finial taper plug, bolts, nuts and screw as specified type 410-SP-55 (11.00 meter long) complete with painting on extrioe portion of pole with two coats of synthetic enamel paint over a coat of Primer complete including taking out of existing pole complete all as specifed and as directed.

Supply and fix in replacement ON load four pole changeover switch with front handle operated of 4 pole 415 volt 50 Hz 630 amps in open execution to be fixed in existing panel with suitable size nut/bolts and complete all as directed

Supply and fix in replacement ON load four pole changeover switch with front handle operated of 4 pole 415 volt 50 Hz 400 amps in open execution to be fixed in existing panel with suitable size nut/bolts and complete all as directed.

Supply & Fixing in replacement including making connection testing and commissioning of new MCCB 3 Pole, 415 V, fixed type, 25 to 100 Amps with breaking capacity 16 KA complete all as specified and directed. Note: MCCB shall be suitable to fit in the existing panel board or exactly suitable to the existing frame size. In case only one particular make is procuring by the bidder necceasry alteration required to fix the same at no extra cost shall be done by the bidder .

Complete all as per item No 99 herein before but MCCB TP 125 Amps, 415 Volts, 16 KA, 50 Hz complete with extended terminals and PVC spreader complete all as specified and directed.

Complete all as per item No 99 herein before but adjustable type MCCB TP 400 Amps, 415 Volts, 36 KA, 50 Hz complete with extended terminals and PVC spreader complete all as specified and directed.

Complete all as per item No 99 herein before but adjustable type MCCB TP 630 Amps, 415 Volts, 50 KA, 50 Hz complete with extended terminals and PVC spreader complete all as specified and directed.

Complete all as per item No 99 herein before but adjustable type 4 Pole, 200 Amps, 415 V, 25 KA, 50 hz complete with extended terminals and PVC spreader complete all as specified and directed.

Complete all as per item No 99 herein before but adjustable type 4 Pole, 400 Amps, 415 V, 36 KA, 50 hz complete with extended terminals and PVC spreader complete all as specified and directed.

Complete all as per item No 99 herein before but adjustable type 4 Pole, 630 Amps, 415 V, 50 KA, 50 hz complete with extended terminals and PVC spreader complete all as specified and directed.

Excavation of soft/loose soil in trenches not exc 1.5 meter wide & not exc 1.5 mtr in depth: for foundationetc or for manholes, laying of pipe in any type of soil and getting out complete all as specified

Excavation of soft/loose soil in trenches not exc 1.5 meter wide & exc 1.5 mtr in depth but n exc 3.0 mtr for foundationetc or for manholes, laying of pipe in any type of soil and getting out complete all as specified

Returning, filling in excavated approved soil, including spreading, leveling, watering and well ramming in layers not exceeding 25cm each complete all as specified and directed.

Removing excavated soil not exceeding 50m and depositing where directed at a level not exceeding 1.5m above the starting point complete all as specified and directed.

M & L for dry sand cushioning to underground cables with 8cm thick before laying of cables and 15cm thick after laying and stretching of cable all as specified and directed . Note : Compacted sand thickness of 18 cm shall be considered for measurement and payment purpose.

Supply and laying un-reinforced precast concrete LV cable cover class Type I with 250 X 150 X 40 mm including taking out old u/s existing complete all as specified and directed.

Supply and laying double wall corrugated (DWC) high density polthene pipes having corrugation on the outer wall and plain surface on the ineer wll confirming to IS: 14930 (Part I & II) for protection of underground cables of size 90 mm outer dia with all fittings laid in trenches/ road/ nallah or fixed along wall, poles or laid under floor (including cutting floor/ Road and making good to match with existing adjoining surface etc for cable protection complete all as specified and directed. Note : Excavation and earth work shall be measured and paid seperately.

M & L for Old size sub class ‘B’ bricks, laid in trenches as cable covers complete all as specified and directed.

M & L for Cement concrete 1:4:8 type D-2 using 40mm graded stone aggregate in foundations, filling and mass complete all as specified and directed.

M & L for Cement concrete 1:3:6 type C-2 using 40mm graded stone aggregate in coping of pole or foundations, filling and mass concrete incl formwork complete all as specified and directed.

M & L for cement concrete 1:2:4 type B-1 using 20mm graded stone aggregate in copings to poles & the like, etc including weathering, slightly rounded or chamfered angles and throating as directed including necessary form work complete all as specified and directed.

Taking down existing old copper strip of any size and type alongwith saddles and fixing screws etc. from roof conductors and down conductors above ground complete all as specified and directed.

Supply and fixing Copper strip 20 x 3.15mm with saddles and fixing screws etc. for roof conductors and down conductors above ground complete all as specified and directed.

Taking down existing old GI strip of any size and type alongwith saddles and fixing screws etc. from roof conductors and down conductors above ground complete all as specified and directed.

Supply and fixing GI Strip 25 x 4mm saddles and fixing screws etc. for roof conductors and down conductors above ground complete all as specified and directed.

Supply, jointing and testing indoor type cold shrinkable end termination cable joint including all material and accessories suitable for 3 core X 50-95 Sqmm XLPE cable of 11000 volts (E)grade complete all as specified and directed. Note :- Cost of cutting of existing end termination joint deemed to be included in unit rate.

Supply, jointing and testing outdoor type cold shrinkable end termination cable joint including all material and accessories suitable for 3 core X 50-95 Sqmm XLPE cable of 11000 volts (E)grade complete all as specified and directed. Note :- Cost of cutting of existing end termination joint deemed to be included in unit rate.

Supply, jointing and testing indoor type cold shrinkable end termination cable joint including all material and accessories suitable for 3 core X 120-185 Sqmm XLPE cable of 11000 volts (E)grade complete all as specified and directed. Note : Cost of cutting of existing end termination joint deemed to be included in unit rate.

M &L for cable jointing kit for 11 KV (Earthed) grade cable for straight through cold shrink type complete with joining material and accessory suitable for 50 to 95 sqmm 3 core XLPE armored aluminum conductor cable complete all as specified and directed

Supply and fixing in replacement MCCB 630 Amps , 4 pole,415 Volt, 50 KA including under voltage/over voltage relay with adjutable thermal setting (80% - 100%) complete all as specified and directed. Note: The make of MCCB shall be as per the make in the existing plannel board or exactly suitable to the existing frame size. In case necceasry alteration required to fix the same at no extra cost shall be paid to bidder .

Supply and fixing in replacement MCCB 250 Amp ,4 pole, 415 Volt, 36 KA including under voltage/over voltage relay with adjutable thermal setting (80% - 100%) complete all as specified and directed.

Supply and fixed in replacement MCCB 200 Amp ,4 pole,415 Volt, 25 KA including under voltage/over voltage relay with adjutable thermal setting (80% - 100%) complete all as specified and directed.

Supply and fixed in replacement MCCB 125 Amp ,4 pole, 415 Volt , 16 KA including under voltage/over voltage relay with adjutable thermal setting (80% - 100%) complete all as specified and directed.

Material and labour for laying GI tubing of size 50mm bore ,light grade for protection of under ground cable in trench /under road /crossing or fixed to wall /pole complete all as specified and directed.

Material and labour for calibration of IDMT numerical relay as per existing load for earth fault , over current and short circuit ,including setting the relay on required electric load and testing on earth fault and short circuit and over load with the help of relay testing kit for 11 KV system in accordance with the supply agency protection/tripping range so as to trip the MES breaker before tripping the fault to supplier grid/system. All perimeter in MES breaker tripping setting in relays shall be arranged in such a way that any fault accured in a fedders after the receiving station must not transfer to supplier system. Relay caliberation certifcate of each HRT breaker/VCB/OCB shall be submitted to the Engr-in-Charge complete all as specified and directed.

S&F in replacement of power pack with battery back up as per existing capacity complete all as specified and directed

S&F in replacement bushing insulator with current type carrying parts 630 amp suitable for 11 KV HT VCB complete all as specified and directed

Supply and fixing IDMT non directional shunt trip relay with two poles arrangement for over current protection with setting 50% to 200% and one pole for earth fault protection with setting 20% to 80% and under voltage protection. Relay should be microprocessor based numerical type. The relay shall be complete with a wide range of standered cominication protocols (Modbus , DNP 3.0, IEC 60870-5-103 etc. ) Relay shall be provide simple and powerfull operation interface. The LEDs and LCD display on the front panel shall be fully programmable to requirments including necessory wiring.complete all as specified and directed. The relay should be capable for minimum control following function:- i. Phase over current protection ii. Instantaneous short circut protection iii. earth fault over current protection iv. output relay latching

Supply and fixing in replecement of Spring charging Gear for 11KV VCB panel suitable for 630/400 Amp complete all as specified & directed

Supply and fixing in replecement of moving contact block for 11KV VCB panel suitable for 630/400 Amp complete all as specified & directed

Supply and fixing in replecement of spout with rod for 11KV VCB panel suitable for 630/400 Amp complete all as specified & directed

Supplying and laying in replacement synthetic Rubber insulated mats 2.5 mm thick for voltage upto 11 kv for electrical purpose as per IS 5652-2006, (superseding IS 5424) suitable for electrical shock safety of sizes 2m x 1m.

Supplying and fixing of fire retardant/ extinguishing Elect insulated mat 2.5 mm (insulatica 2000) 2.5 mm thick +-10% conforming to IS:3043, IS:5216 (Part 1,2, &3), IS:8437 and IEC 479 pub-1, tested for breakdown strength, Tensile/ Elongation ageing properties, insulation resistance, effects of acid, alkaline, deisel & transformer oil, leakage current tests, fire test etc having min width of 1000mm +20mm. All allied material such as pu-resin, chemical bound (hardener), spl PVC adhesive, liquid primer etc of required quantity to complete the job as per site requirement for all voltage not exceeding 11 KV system complete all as specified and dirceted.

S&F in replacement lightning arresters expulsion type complete with all fittings, 30 kilo amp discharge capacity, distribution class maximum working pressure 11000 volts after taking down old existing un serviceable lightning arrester etc complete all as specified and directed.

S&F in replacement Gang Operated Device triple pole, mechanically operated, mounted on insulator and steel frame, with operating mechanism worked from ground level, for 11000V, current rating upto 200 Amps after taking down old existing un serviceable GOD etc complete all as specified and directed.

Supply, installation, testing and commissioning of battery power bank made out of MS sheet 1.6 mm (minimum) thick and angle iron frame including two coats of synthetic enamel paint over a coat of red oxide primer on steel surface with 12 Nos of VRLA batteries each of 2 Volts and 100 AH complete connected in series including powder coated battery charging panel with voltmeter, ammeter and variable type rotary transformer (Automatic battery charging system) suitable for input of 230Volts AC 50 Hz, single phase and having adjustable charging rate upto 100 AH at 24 V DC complete including copper control cable interconnection etc complete all as specified and directed.

Periodical checking of breather and other accessories, testing of 11/0.433 KV transformer at site for di-electric strength test of oil, inulation resistance test of winding, earth resistance test of connected earthing of transformer complete all as specified and directed.

M&L for cleaning, checking the entire electrical control wiring of the LT/AMF/APFC Panel by replacing the U/s bus bars of any size, replacing the u/s wire, lugs, thimble, indicator lamps (RYB) including nuts, bolts and making inter locking system and panel functional complete all as specified and directed.

Net Contract Sum will be after deducting Sch of Credit of Rs 1,50,692.00

S K ENGINEERS AND CONTRACTOR (BID ID -3499138)

M/S ADHIKARI CONSTRUCTION CO. (BID ID -3506069)

M/S Anand Enterprises (BID ID -3496827)

D P ENTERPRISES (BID ID -3499559)

Ish Engineers and Contractors (BID ID -3499872)