GE ELECT/D-27/2024-25

Amount

Opening of the VCB , 11 KV 400 to 800 Amps of any make by removing of the Breaker from the existing position after disconnecting all the connections from the system, servicing, Overhauling of the same, checking of the same for proper operation, spring charge, charged control cables are fastened tightly to the terminals, any abnormality, VCB, cleaning the surface of the insulators, fasten the bolts, checking and correcting interrupting units, mechanism, linkages etc, fasten the hardwares of control wiring, check that the split pins, Circlips, dowell pins etc. have not come out and are intact, lubricate the mechanism, moving parts by castrol, all purpose grease or equivalent, check that the vaccum pots/chambers is within limit including opening of the shutters properly, replacing of the trip catch, roller, holding catch, stopper, close push button, closing cum reassembling, controll limit switches reconnecting of the breaker for smooth functioning all as directed. (Note:- Spare parts will be paid separtly under respective items)

Supply only in replacement of space heaters of 1 KW, 220Volts complete all as specified and directed by the Engg-in-Charge.

Supply only in replacement of thermostate adjustable type 30 to 120 degree Centigrade complete all as specified and directed by the Engg-in-Charge.

Supply only in replacement motor & gear assembly 230V AC suitable for 400/630/800 amps, 11 KV HT VCB including testing after puting on full load complete all as specified and directed by the Engg-in-Charge.

Supply only in replacement (at site on VCBs as per existing size), male contact (Copper) suitable for HT 11 KV power supply complete all as specified and directed by the Engg-in-Charge.

Supply only in replacement (at site on VCBs as per existing size), Female contact (Copper) suitable for HT 11 KV power supply complete all as specified and directed by the Engg-in-Charge.

Supply only in replacement of Current Transformers draw type 11kV, 300/150/1-1, Core1: Class 5P10, 10VA, Core2: Class 0.5, 10 VA complete all as specified and directed by the Engg-in-Charge.

S&F in replacement Current Transformers draw type 11kV, 200/100/1-1, Core1: Class 5P10, 10VA, Core2: Class 0.5, 10 VA complete all as specified and directed by the Engg-in-Charge.

Taking down the old/unserviceable potential transformer S&F new 11KV/110V/100VA with drawable type and epoxy incl PT grid with risers complete suitable for HT 11KV panel complete incl testing & commissioning complete all as specified and directed by the Engg-in-Charge.

Shifting of Transformer from substations to variours substation/transformers locations in the area of AGE(U) E/S No III by road and removing the faulty transformer by fxing/errecting of the healthy tansformer with the hydra/crane support making the necessary HT/LT cable connections earth connections and restoration of power supply complete all as specified and directed by the Engg-in-Charge.

Taking down unserviceable sheet gasket (Cork sheet), S&F synthetic rubberized cork sheet gasket 6mm 2'x 3' size sheet thick for top cover HT/LT bushes at places existing and tighting all the bushings and top cover to avoid any oil leakages of capacity 160 KVA to 500 KVA complete all as specified and directed by the Engg-in-Charge.

S&F in replacement Cable end jointing kit for 11 KV (Earthed) grade Indoor type heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 240 Sqmm to 300 Sqmm incl necessary testing and commissioning complete all as specified and directed by the Engg-in-Charge.

M&L for replacement Earthing complete with galvanized steel earth plate electrode of size 60cmx60cmx6 mm thick, buried directly in ground (earth pit not less than 2.10 m below normal ground level) with top edge of earth plate not less than 1.5m below normal ground level, connected to galvanized iron strip 32 x 6mm by means of bolts, nuts, check nuts and washers of galvanised iron or steel as shown in electrical plate No 3 of SSR Part I, connected to earth test point and the equipment on the other nuts and washers of galvanised ironside complete all as specified, including testing and commissioning complete all as specified and directed by the Engg-in-Charge. Note : (a) The unit rates quoted against this item shall be deemed to include the cost of excavation and earth work in any type of soil, common salt & charcoal dust in alternate layers, PCC 1:3:6 as in pit, precast RCC 1:2:4 type B-1 with necessary reinforcement as in cover & frame for pit, funnel, watering pipe 20 mm bore GI pipe light grade, protection pipe 40 mm bore GI pipe medium grade etc. (b) The quoted rates shall also deemed to include the cost of earth test point and earth strip/GI lead wire and protection pipe upto 7.5 meter beyond the earth plates electrode.

M&L in replacement of 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 armoured aluminium conductor cable of 120 sqmm to 185 sqmm complete all as specified and directed by the Engg-in-Charge.

M&L for painting to the both sides of fencing of the transformer/RMU by scraping the existing surface and applying a coat of synthetic enamel paint of the existing colour and complete all as specified and directed by the Engg-in-Charge.

Calibration of all the electromagneitic/ thermal/ microprocessor relays of 11 KV VCB/RMU and setting the relay tripping timings in advance to the feeding sub station to ensure pock wise re-installation of various relays in position with complete testing and commissioning. Ensure proper functioning. Note:- (a). Primary & secondary injection kit shall be arranged by the contractor (b) DC Supply for relay testing shall arranged by the contractor (c) The contractor shall prepare the relay adjustment and tripping timing chart in the follow up fashion and submit to Engineer-in-Charge

M&L for complete bush cutting vegetation around the substations/ transformers lines complete all as specified and directed by the Engg-in-Charge.

Filtration/dehydration of 11 KV distrubution transformer oil through filtration plant to improve the dielectric strength/insulation valve of the transformer oil upto 60 KV at a gap of min 2.5 mm of electrodes. (a) The contractor will take shut down orders in working before commencement of the work (b) The contractor shall ensure no wastage at transformer oil (c) The Contractor is solely responsible for any damage to the transformer during filtration operations. He is responsible for making good any damage to the transformer at his own cost without any extra cost to the department (d) The contractor shall ensure that the conservator tanks are full to its level before starting the dehydration. Note : Oil for Top up will be measure and paid seperatly under respective items. (e) the di-electric strenght of oil shall be tested before & after filtration. Test results shall be submitted to engineer-in-charge

M&L for preparation of old painted surfaces of floor mounted indoor/outdoor type transformer from 100 KVA to 500 KVA capacity by cleaning/rubbing with course cloth wire brushes to remove dust deposits oil grease and repainting by applying one coat of spray paint with synthetic enamel paint of approved colour without disturbing/damaging the electrical net work system/equipment including making of capacity /rating /incoming outgoing details in capital english alphabet of size complete all as specified and directed by the Engg-in-Charge.

All as per item No 19 above but from 630 KVA to 1000KVA Capacity complete all as specified and directed by the Engg-in-Charge.

S&F in replacement silica gel breather assembly complete with breather unit and silica gel including connecting with proper rubberised gasket and necessary GI fittings for fixing/ assembling upto 1000KVA transformer complete by removing the unserviceable silica gel breather assembly complete all as specified and directed by the Engg-in-Charge.

Supply, filling for topping up the transformer with new transformer oil duly filtered with filtration plant complete all as specified and directed by the Engg-in-Charge. Note : (a) The transformer oil shall be type EHV confirming to IS - 335(2018) (b) Mineral oil grade shall only be used. (c ) The transformer oil should have a high dielectric strength not less than 60 KV at a gap of min 2.5 mm of electrodes.

Taking down burnt defective drawnout/inlet Valve (Brass any size) and S&F new drawn out/Inlet valve (brass as per existing size) suitable for any make of 100 to 500KVA Transformer complete all as specified and directed by the Engg-in-Charge.

All as per item No 23.00 above but from 630 KVA to 1000KVA capacity complete all as specified and directed by the Engg-in-Charge.

Taking down defective unserviceable LT bush porcelain insulator and S&F news LT bush porcelain insulator with oil seal for transformer outdoor/indoor up to 500KVA complete all as specified and directed by the Engg-in-Charge.

All as per item No 25 above but from 630 KVA to 1000KVA capacity complete all as specified and directed by the Engg-in-Charge.

Taking down defective unserviceable HT bush porcelain insulator and supply and fix news HT bush porcelain insulator for transformer outdoor/indoor up to 500 KVA all as specified and directed

All as per item No 27 above but from 630 KVA to 1000KVA capacity complete all as specified and directed by the Engg-in-Charge.

Isolating the HT supply of transformer, disconnecting HT and LT connections of transformer by opening clamps, bus bar extension and isolating the cables from transformer, outdoor/Indoor of 100 to 500 KVA capacities, checking of transformer pressure release valve, oil condition and carrying out tests such as HV/LV megger test, ratio test, magnetic balance test, short circuit test including opening theinspection cover/top lid after drain out of oil as required to check the lead condition from winding to bus rods including necessary soldering/jointing etc, and charging of transformer and making all necessary connections / assembly & control circuits complete all as specified and directed by the Engg-in-Charge. Note :- Test results shall be submitted through the Engineer-in-charge to Accepting Officer.

All as above item but no.29 of capacity 630 KVA to 1000KVA capacity complete all as specified and directed by the Engg-in-Charge.

Lifting of transformer core of capacity 160 to 750 KVA and keeping the core inside oven chamber to removing of moisure and increasing of the insulation value of core and drying the core assembly for minimum 3 days at a temp of 120 deg C complete all as specified and directed by the Engg-in-Charge. Note :- (a) Cost for lifting/lowering the core of transformer by crane is inclusive. (b) Labour for fixing the connection/removal of connection inside the heating chamber is inclusive. (c) Power consumption for heating core for improving insulation value is inclusive. (d) Temperature 120oC to be maintained and inclusive in rate quoted.

Disconnecting defective out door/indoor transformers, 11KV/433 V of various capacities up to 1000 KVA from HT/LT sides taking down transformer oil completely, storing oil in suitable container (to be provided by the contractor), lifting the top cover and core assembly carefully and checking the conditions, refilling the transformer oil completely after necessary repairs, re-taking core assembly and fixing the top cover and painting to transformer complete all as specified and directed. Note:- (a) Rewinding of transformer shall be measured and paid separately. (b) In case of major repairs/replacement in transformer, which can not be undertaken at site, the transformer shall be shifted to civil workshop and winding and connected accessories (complete transformer) (c) Dismantling of core and repairs shall be measured and paid separately. (d) Shifting of transformer shall be measured and paid separately. (e) Complete gaskets shall be replaced by the contractor rate deemed to be inclusive.

Taking down burnt defective high tension copper coil and supply and fix new HT copper coil made out of proper/ required as per the existing size copper wire enameled of high quality matching with the existing impedance and pre- insulation complete all as specified and directed by the Engg-in-Charge. Note:- (a) The cost of coil shall be inclusive of varnish sleeving of insulating material. (b) Cost of taking down the clamps, upper channels and core & HT links and re-clamp, positioning with separators, brazing etc completely shall be deemed to be included in the cost.

All as per above item no.33 but of LT copper coil complete all as specified and directed by the Engg-in-Charge.

Taking down and opening of HT copper wound loose overheated coil from the limbs of transfomer of various capacities upto 1000KVA, and rewinding the same by using the same copper wire after providing DPC and proper insulation etc into the coil of suitable turns etc complete all as specified and directed by the Engg-in-Charge.

All as per Item No 35 above, but of LT copper wound complete all as specified and directed by the Engg-in-Charge.

Taking down unserviceble tinned copper bus bar of various sizes from HT/LT side cable bushing rods from the transformer of capacities and supply and fix electrolyte tinned copper bus bar of suitable size and length including making holes as required at site to the transformer LT/HT side cable bushing rods complete all as specified and directed by the Engg-in-Charge.

Taking down the Defective tap changer assembly and S&F offload tap changer assembly suitable for any make upto 750KVA transformer with 7 tapping position including opening top cover, conservator etc complete all as specified and directed by the Engg-in-Charge.

Opening of the RMU any size/way , 11 KV 400 to 800 Amps of any make by removing of the Breaker from the existing position after disconnecting all the connections from the system, servicing, Overhauling of the same, checking of the same for proper operation, spring charge, charged control cables are fastened tightly to the terminals, any abnormality, RMU, cleaning the surface of the insulators, fasten the bolts, checking and correcting interrupting units, mechanism, linkages etc, fasten the hardwares of control wiring, check that the split pins, Circlips, dowell pins etc. have not come out and are intact, lubricate the mechanism, moving parts by castrol, all purpose grease or equivalent, check that the vaccum pots/chambers is within limit including opening of the shutters properly, replacing of the trip catch, roller, holding catch, stopper, close push button, closing cum reassembling, controll limit switches reconnecting of the breaker for smooth functioning complete all as specified and directed by the Engg-in-Charge.

Supply, installation & commissioning and testing in replacement of DC power pack for RMU comprising 12 V and .7 AH complete accessories required for commissioning is included in the scope of work complete all as specified and directed by the Engg-in-Charge.

Taking out old rusted unserviceable LT panel Supply, installing, testing and commissioning in replacement outdoor type stainless steel (SS 316) cubical enclosure compartmentalized exterior and interior mirror type brushed suitable for highly corrosive environment, high creep resistance, better mechanical properties like ductility, yield strength, hardness etc.The outer enclosure shall be made of 3.15 mm thick SS 316 sheet and inner compartment should be 2 mm. The fixing of double doors shall be on SS hinges with anti-theft provision (the door can’t be removed from enclosure without cutting enclosure). All fabrication/welding shall be done with TIG/MIG or as approved by Engineer in charge suitable for SS 316. Sliding handle and locking arrangement front and rear both side . Enclosure shall be suitable for AC supply system 415 volts, 3 phase, 4 wire, 50 Hz. IP-55 class protection and mounted on channel 75 mm welded with panel of SS 316 with 04 Nos foundation bolt of size not less than 20mm dia and 300mm long. The enclosure shall have provision of cable alley . Cable entry from bottom side including internal wiring with PVC insulated solid, copper conductor FRLS cable, IS-694 marked, 1100 volts grade of appropriate size (but not less than 2.5 sqmm) complete all as specified and directed by the Engg-in-Charge. Incoming:- (i) Incomer of the panel having MCCB 4 pole 415 V breaking cap 36 KA with extended spreader terminal current rating 400 Amps. - 01 No , Digital Multifunction Meter (Accuracy class 0.5) with LCD display for measuring of current, voltage, power, power-factor, energy parameters, Total Harmonic Distortion and Maximum Demand Indication etc and shall have RS-485 port for communication on Modbus protocol – 01 No, CTs ratio 400/5 A, Class 1, ISI marked -01 sets of three, Indicating lamp- 01 set of three & Aluminium bus bar of rating 600 Amp, 4 pole , mounted on SMC insulator- set of four. (ii) LED Lamps : 01 set (b) Outgoing :- (i) MCCB 4 pole 415 V breaking cap 25 KA with extended spreader terminal, current rating 160 Amps. - 02 Nos (ii ) MCCB 4 pole 415 V breaking cap 16 KA with extended spreader terminal, current rating 100 Amps. - 02 Nos (iii) MCCB 4 pole 415 V breaking cap 16 KA with extended spreader terminal, current rating 63 Amps. - 04 Nos (iv) MCCB 4 pole 415 V breaking cap 16 KA with extended spreader terminal , current rating 32 Amps. - 02 Nos (v) All incoming & outgoing feeders shall be connected by cable through suitable size of glands

Repairing of DC High Voltage Test Set Capacitiesup to 70 Kv for repairs, servicing comprising the following and refixing the same, re-orientation and labour for taking down the defective parts and refixing the same spare parts complete all as specified and directed by the Engg-in-Charge. Opening the DC High Voltage Test Set for repair and replacement of the following items:- a) Earth Leakage Relay With Core b) Balance Current Transformer c) Push Button Switch Element Red color. d) Tripping System for High voltage 10KV/30mA e) High voltage copper single core lead with Armour f) Silicon Carbide Schottky Diodes g) Multi span sequential Timer digital type h) Push Button Switch Element Green color. i) ASPA DC array junction box DCDB 2 IN 1 OUT 500V j) LT On / Off Toggle Switch Element. h) High voltage test cable k) Digital multi-function meter with LCD display l) KV Meter digital type m) Digital ammeter LED display 230volt,50Hz n) Calibration of the System with Calibration machine for earth fault and over current fault complete testing o) Top Cover

Repairing of DC Battery Charger of Capacities up to 24V, servicing comprising of the following and refixing the same, re-orientation and labour for taking down the defective parts and refixing the same spare parts complete all as specified and directed by the Engg-in-Charge. a) Opening of the DC 24V Battery Charger for repair and replacement of the following:- i) Volt meter and Ampere Meter ii) Wiring iii) Diode circuit iv) Relay v) Control Transfomer Rotary Switch

Labour and T&P for disconnection of LT panel of any size and Uplifting the same 0.45 Mtr from ground level including making PCC (1:3:6) work for foundation and excavation earth work for loop complete all as specified and directed by the Engg-in-Charge.

Supplying and laying synthetic Rubber insulated mats 2.5mm thick for voltage up to 11 Kv (size 2x1 M) for elctrical purpose Confirming to IS 15652-2006, superseding IS 5424 suitable for electrical shock safety complete all as specified and directed by the Engg-in-Charge.

M&L for repairing/Plastring of Transformer platform of size 2.2m x 2.2m x 1 m height built in CM 1:4 including 20mm graded stone aggregate over the plinth along with provn of stair case on one side complete all as specified and directed by the Engg-in-Charge.

M&L in replacment for installation, testing & commissioning of waterless and maintanance free Gel earthing (CCM compound), with BFC-50 kg jam fill compound along with 50 mm dia Cu bonded MS rod of length 3.00 Mtr below ground level including duly augering in ground pre cast or in situ cast in high purity electrically conductive granutar material having ultra low resistive value to acieve resistance below 2 Ohms connected with 25 mmx3mm Copper strip complete all as specified and directed by the Engg-in-Charge.

Supply Only silica gel for silica gel breather assembly incl removing the unserviceable silica gel complete all as specified and directed by the Engg-in-Charge.

Supply only of Copper fuse wire having current carrying capacity 40A complete all as specified and directed by the Engg-in-Charge.

S&F in replacement of ACB 440 Volts 3 phase 4 Pole 50 Hz complete with adjustable load protection, no-volt release with microprocesser release of rating 800 Amps, 65 KA complete all as specified and directed by the Engg-in-Charge. Location -CAMS

S&F in replacement of ACB 440 Volts 3 phase 4 Pole 50 Hz complete with adjustable load protection, no-volt release with microprocesser release of rating 1000 Amps, 65 KA complete all as specified and directed by the Engg-in-Charge. Location -CAMS

M&L in replacement mild steel chequered plate 10 mm thick incliding cutting of suitable size for duct cover at site complete all as specified and directed by the Engg-in-Charge.

M&L Sticking of ready made sticker with letters,figures clearly mention, Name, SM No, in red colour of size for HT VCB , RMU, Step down transformer 0.6M x 0.2 M size complete all as specified and directed by the Engg-in-Charge.

M&L for applying 02 coats of cement based paint with prepared white (Snow sem) on transformer plitnth area of any size complete all as specified and directed by the Engg-in-Charge. (Including scrapping & cleaning with wire brush and preperation of old surface)

M&L for complete removal of Stone aggragerate and removing of sand mud, Debris/weeds and plants from the agraggate by suitable means and relaying complete all as specified and directed by the Engg-in-Charge.

S&F in replacement battery 12V, DC, 100 AH maintnance free dry battery complete all as specified and directed by the Engg-in-Charge.

Supplying Laying UG Cable in replacement of LT cable PVC sheathed XLPE cable armoured aluminium conductor 1100 V graded, after taking out/down old existing unserviceable from trenches/ducts/ road crossing and poles complete all as specified and directed by the Engg-in-Charge. Against Re Routing/diversion from residential buildings and restricted area/Cable insulation Failure of break down for making straight through joint of following sizes. Note :- Excavation, earth work ,cable protection, sand fillings, cable joint shall be measured and paid separately.

3.5 core,120 sqmm (Behind SV power house-4x100=400RM, )

3.5 core,150 sqmm (HQ IHQ Camp Near 630 KVA TFR to CSD Canteen -300 RM)

3.5 core,185 sqmm (DGIS LT Panel Mandir to LT panel Warline -120, Behind SV power house-2x100=200RM)

3.5 core,240 sqmm (Old VRC panel to panel near P-7 Block- 150RM)

Excavation in trenches in soft and loose soil n.exc 1.5 mtr wide and n.exc. 1.5 mtr depth for laying and taking out of electric power cable and getting out complete all as specified and directed by the Engg-in-Charge.

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

Removing excavated material not exceeding 50 mtr away and depositing where directed at a level n. exc 1.5 mtr above the starting point complete all as specified and directed by the Engg-in-Charge.

M&L for river washed and screened dry sand for filling under and above the under ground cable for cushioning of cables etc. complete all as specified and directed by Engr –in-charge. Note : Measurement shall be taken after punning down.

Laying only old HT cable cover as in protection of UG cables complete all as specified and directed by the Engg-in-Charge.

Supply & Laying in replacement reinforcement precast cable cover class LV Type-1 Flat size 250x150x40mm laid in trenches for cable protection etc complete all as specified and directed by the Engg-in-Charge.

M&L for boring of holes under road/pavement/hard standing with trenchless technology incl provision of HDPE pipe of 80/100mm dia suitable for 04 Kg/cm working pressure with wall thickness of pipe not less than 6.5 mm 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 Engr-in-charge.

Vijay Electricals (BID ID -3073019)

ALLIED CONSTRUCTION (BID ID -3079395)

Rajindera Enterprises (BID ID -3079322)

Ridhi engineers and builders (BID ID -3077998)

DS CONSTRUCTION (BID ID -3079868)

M P TYAGI ENGINEERS AND CONTRACTORS (BID ID -3076187)

MV Engineers And Contractors (BID ID -3073946)

mayur enterprises (BID ID -3070347)