FILETRATION/DEHYDRATION OF OUTDOOR/INDOOR DISTRUBUTION TRANSFORMER ALONG WITH RE-WINDING AND CONNECTED HT REPAIR TO VCB,LOAD BREAK SWITCHES PANELS OF 5 SIGNAL,1 SIGNAL,1 CBPO, VARUNA MESS,APS COLONY, SANJAY VIHAR,NNC,STATIX WKSP IN THE THE AREA OF AG

Amount

M&L for replacement for 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 directed. 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.

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.

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Decarbunizing/cleaning complete HT cable ougoing/Incoming circuit of CTs & PTs, 3 phase, cleaning with CTC and ensure proper decarburizing, re-fixing the same after applying backtol (Red) solution to the spout, checking all the connections, tightening the nuts, bolts thimbles for incoming and outgoing system complete, as specified and directed, rate quoted is inclusive of bactol red, CTC & cotton waste provided by contractor. (Note :- Any unserviceable parts will be measured and paid under below respected items)

Supply only breaket Service/test position limit switch operatable for HWX/VMX type Breakers operatable at 110 Volts DC/AC with 2 NO/NC Make: ABB/Schnider/ Equivalent make as approved

Supply only closing coil assembly 110/24 V DC for VCB all as specified & directed. Make :- Alstom/schnider/Equivalent make as approved

Supply only fix tripping coil 110/24V DC for VCB all as specified & directed. Make :- Alstom / English Electric/Schnider

Supply only 11 Kv PT HV Back up fuse cat no 12Kv ABCNA 3.15A 38/10 as per OEM Recomendation / Make: Schnider/Bussmann/Equivalent make as approved

Supply only space heaters of 1 KW, 220Volts

Supply only thermostate adjustable type 30 to 120 degree C.

Supply only in replacement of motor & gear assembly 230V AC suitable for 400/630/800 amps, 11 KV HT VCB including testing & puting on load complete all as specified & directed.

Supply only in replacement (at site on VCBs as per existing size), male contact (Copper) suitable for HT 11 KV power supply .

Supply only in replacement (at site on VCBs as per existing size), Female contact (Copper) suitable for HT 11 KV power supply.

Supply only Current Transformers draw type 11kV, 300/150/1-1, Core1: Class 5P10, 10VA, Core2: Class 0.5, 10 VA .

Supplying and fixing Current Transformers draw type 11kV, 200/100/1-1, Core1: Class 5P10, 10VA, Core2: Class 0.5, 10 VA .

Supplying and fixing Current Transformers draw type 11kV, 100/50/1-1, Core1: Class 5P10, 10VA, Core2: Class 0.5, 10 VA .

Taking down the old/unserviceable potential transformer supply & fix new 11KV/110V/100VA with drawable type and epoxy incl PT grid with risers complete suitable for HT 11KV panel complete incl testing & commissioning all as specified and directed. Make : Alstom / Kappa/Jyothi

Material and labour for painting of LT/HT pannels by duly cleaning the surface from dust and grease and applying one coat of synthetic enamel paint by using spray gun colour as directed by the Eng - in - Charge and lettering the LT pannels with black/white paint using stencils or making lettering by using stickering with minium size of letter to be of 5 Cm all as specified and directed

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

Calibration of all the electromagneitic/ thermal/ microprocessor relays of 11 KVand 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

Supply and lay graded stone aggregate of 63mm size underneath of 4 pole/2 pole/transformer yard all as specified and directed by taking down the damaged / powdered stone aggregate.

M&L for danger notice board of 1.6 mm thick mild steel,vitreous enamelled white with letters,figures and conventional skull and bones in signal red colour and fixed with MS clamps,bolts and nuts of approved size for HT 25 x 20 CM size complete as specified by the engineer in charge.

Material and labour for providing galvanised chain link fencing of height 2 meters from GL right arround the 11 KV 4 pole structure/RMU/ transformers structures with MS angular of size 60 x 60 x 6mm thick duly painted with a coat of red oxide and two coats of synthetic enamel paint grouted with post holes and PCC at span of every meter distance around along with 1 mtr width hinged gate and providing of slag brick work of 2 feet height from Ground level with proper basement and plastering the surface with 1:6 ratio right arround the fencing complete as specified by the engineer in charge.

Filtration/dehydration of 11/0.433 KV Power / 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 from Engineer-in-charge. (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

Material and labour 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 all as specified and directed.

All as per item No 26 here in before but from 630 KVA to 1000KVA

Supply and fix in replacement of silica gel breather assembly complete with breather unit and silica gel including connecting with proper rubberised gasket and necessary fittings GI fittings for fixing/assembling upto 1000KVA transformer complete by removing the unserviceable silica gel breather assembly all as specified and directed. Make : Patel Electrical Industries or equivalent recommende by OEM

Supply, filling and for topping up the transformer with new transformer oil duly filtered with filtration plant. Note : (a) The transformer oil shall be type EHV confirming to IS - 335(2018) (b) Mineral oil grade shall 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 supply and fixing new drawn out/Inlet valve (brass as per existing size) suitable for any make of 100 to 500KVA Transformer all as specified and directed

All as per item No 30 here in before but from 630 KVA to 1000 KVA

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

All as per item No 32 here in before but from 630 KVA to 1000KVA

Taking down defective unserviceable HT bush porcelain insulator and supply and fix news HT bush porcelain insulator for transformer outdoor/indoor up to 1000 KVA all as specified and directed

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 250 to 1000 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 all as specified and directed. Note :- Test results shall be submitted through the Engineer-in-charge to Accepting Officer.

Taking down unserviceable sheet gasket (Cork sheet), Supply and fix 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

All as Item No 36 here in before but of capacity 500 KVA to 1000 KVA

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 120oC 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 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.

NOTES :-The following routine test as per IS 1180 (Part I) -2014 shall be carried out at repairing workshop /manufacturer having NABL calibration of test equipments (i) Measurement of winding resistance. (ii) Measurement of voltage ratio and check of voltage vector relationship. (iii) Measurement of impedance voltage/short circuit impedance (principal tapping) and load loss . (iv) Measurement of no load loss and current. (v) Measurement of insulation resistance. (vi) Dielectric tests The contractor shall give written warranty of one year for the repaired transformer. Note :-HT/LT leg coils and transformer oil required for top up shall be measured and paid separately under relevant items of this Schedule here-in-after as supply only.

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 all as specified and directed. 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 Item No.40 here in before but of LT copper coil

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 all as specified and directed

Taking down the Defective tap changer assembly ,Supply and fix offload tap changer assembly suitable for any make upto 1000 KVA transformer with 7 tapping position including opening top cover, conservator etcs all as specified and directed.

Shifting of Transformer from substations to variours substation /transformers locations in the area of AGE(U) E/S No III by road using 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 all as specified and directed.

M&L labour for alternative arrangement by hiring, transportation of transformer of capacity upto 500 KVA in place of unserviceable transformer on hire basis for 15 days including, installation, connecting and testing of transformer and return back after installation of repaired transformer complete all as specifed and directed. Note : (i) Repairing of transformer have to be completed within 15 days no extra cost will be paid toward hiring charges beyond 15 days . Moreover contractor shall not be allowed to shift the hired transformer until it is replaced by the repaired transformer . In case any fault /burning /peeling of painting and any other defects occured in hired transformer the contractor shall have to made good himself from his own expenses. (ii) Contractor should check the available infrasturcture and to be sure regarding safety of hired transformer before installation . The rete quoted is deemed to be include transportation cost, earthing lead etc. (iii) In case the defective transformer not repaired & installed on its site within the specified period of 15 days from the date of handing over to contractor a panelty recovery @ Rs 1000 /- per day will be charged from his dues. During this period contractor shall not be allowed to shift the hired transformer until it is replaced by the repaired transformer . No extra cost beyond 15 days will be paid to contractor on this account.

All as per item No 45 here-in -before but capacity of transformer 630 to 1000 KVA.

M&L for cement painting of with prepared white ( snowcem ) for transformer plitnth area of any size all as specified including scrapping & cleaning with wire brush

Material and labour 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 specifed and directed.

Material and labour for complete bush cutting /trimming of trees around the substations/ transformers and under over head lines complete all as specified and directed.

Supply, installation & commissioning and testing in replacement of SHF/VRLA Battery, Battery charge panel comprising 12 Nos. 2 Volts 100 AH tubular cell, self contained floor mounted sheet steel cabinet with two tiers for housing the batteries. The charging equipment will be operated from 240Volt +/- 10%, 50 c/s supply. The cabinet should be complete and internally wired auto/mannual switch. The charger unit should house, resstance control DC ammeter , Voltmeter and fuses, AC supply failure alarm. Complete accessories required for commissioning is included in the scope of work. DC distribution board comprising of 63 Amps DPMCB as incomer and 2 nos of 15 A DP MCB as O/G Battery Charger with batteries Automatic Float cum Bboost charger of 16 A to give 24 V DC output at 60 Ah capacity

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).

(a) Incoming :- (i) Incomer of the panel having MCCB 4 pole , 630 Amps,50 Hz,415 Volts, 50 KA with microprocessor release - 01 Nos along with sprader terminals , 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 800 Amp, 4 pole , mounted on SMC insulator- set of four. (ii) Digital type Volt meter 0-500 volt - 01 Set (iii) Digital type Amp meter with CT's - 01 No (iv) Indicating Lamps : 01 set

Outgoing :- (i) MCCB 4 pole 415 V breaking cap 36 KA , current rating 160 Amps along with sprader terminals. - 07 Nos (ii) All incoming & outgoing feeders shall be connected by cable through suitable size of gland plate/glands. (iii) The various feeders shall be indicated by 50 mm size letters in synthetic enamel white paint (iv) Indicating Lamps R Y B , LED type01 set

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).

(a) Incoming :- (i) Incomer of the panel having MCCB 4 pole , 250 Amps,50 Hz,415 Volts, 36 KA with microprocessor release - 01 Nos along with sprader terminals , 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 400 Amp, 4 pole , mounted on SMC insulator- set of four. (ii) Digital type Volt meter 0-500 volt - 01 Set (iii) Digital type Amp meter with CT's - 01 No (iv) Indicating Lamps : 01 set

Outgoing :- (i) MCCB 4 pole 415 V breaking cap 16 KA , current rating 100 Amps along with sprader terminals. - 04 Nos (ii) All incoming & outgoing feeders shall be connected by cable through suitable size of gland plate/glands. (iii) The various feeders shall be indicated by 50 mm size letters in synthetic enamel white paint (iv) Indicating Lamps R Y B , LED type01 set

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).

(a) Incoming :- (i) Incomer of the panel having MCCB 4 pole , 630 Amps,50 Hz,415 Volts, 50 KA with microprocessor release - 01 Nos along with sprader terminals , 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 800 Amp, 4 pole , mounted on SMC insulator- set of four. (ii) Digital type Volt meter 0-500 volt - 01 Set (iii) Digital type Amp meter with CT's - 01 No (iv) Indicating Lamps : 01 set

Outgoing :- (i) MCCB 4 pole 415 V breaking cap 36 KA , current rating 250 Amps along with sprader terminals. - 02 Nos, MCCB 4 Pole 415 V breaking capacity 36 KA curent rating 160 Amps alongwith sprader terminal - 02 Nos, MCCB 4 pole 415 V breaking capacity 16 KA current rating 100 Amps alongwith sprader terminal - 01 Nos (ii) All incoming & outgoing feeders shall be connected by cable through suitable size of gland plate/glands. (iii) The various feeders shall be indicated by 50 mm size letters in synthetic enamel white paint (iv) Indicating Lamps R Y B , LED type01 set

Opening of the RMU 11 KV 400 to 800 Amps of any make of any size 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 all as directed.

S&F in replacement of DC power pack for RMU comprising 12 V, 7AH

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

DS CONSTRUCTION

M/s JAIMAA ASSOCIATES

M P TYAGI ENGINEERS AND CONTRACTORS

Bee Kay Engineers & Contractors

Rajindera Enterprises

mayur enterprises

Vijay Electricals