GE ELECT/TOKEN-76/2026-2027

Supply, installation, testing and commissioning of transformer step down, outdoor type copper wound Level-III of Latest Version ,IS 1180, 11KV/433 Volts (at no load) AC 3 phase 50 Hz 400 KVA capacity, core type, oil immersed naturally cooled, oil natural air natural (ON/AN) , with external colling tubes, delta connected on primary side (HT) and star connected on secondary side (LT) in accordance with vector group DYn-11 with neutral brought out on secondry side (LT) and having taping at ±10% in steps of 2.5% on HT side to be changed by means of hand operated off load tap changer. The maximum temperature rise should not exceed 40 degree celsius in oil and 45 degree celsius in HT/LT winding when measured by resistance method after continuous full load run on an ambient temp of 40 degree celsius transformer shall be of BOLTLESS core design. Transformer shall be double wound, core type with low loss, non ageing, high permeability prime grade crgo with M4 grade or better, perfectly insulated and clamped to minimize noise and vibrations. The transformer shall be IS/IEC 60076and as per IS-1180 part - I of 2014 marked, Including the cost of PCC/RCC foundation including necessary framework for placing of TRANSFORMER complete all as per IE/IS specification complete all as specified and directed by Engr-in-Charge and shall comprise of the following :- (a) One cable box on HT side (Primary side) consisting of three nos porcelain bushing with copper rods, complete with nuts and washer with cable glands suitable for reception / taking out upto 3 core 185 Sqmm, HT 11000 volts grade, XLPE insulated and PVC sheathed, heavy duty , armoured cables including jointing materials complete. (b) One cable box on LT side(secondary side) consisting of four nos porcelain bushing with copper rods,for connected bus ducts complete with nuts and washers, with cable glands suitable for reception / taking out upto 3.5 core 400 sqmm, LT 1100 volts grade, XLPE insulated and PVC sheathed, heavy duty, armoured cables including jointing materials complete. (c ) Conservator with filter type drain valve and oil level guage. (d) De-hydrating breather with first fill of dehydrating agent (Silica Gel). (e) Explosive vent, Thermometer pocket on tank cover, oil level guage, Oil drain filter valve, Lifting lugs,oil filling hole with cap/plug with connection plate complete, Air release valve plug and four nos plain solid cast steel detachable rollers.

(f) One no 100 mm dia, dial type thermometer, vapour pressure type, having range 0-120 degree celsius with metal guard having maximum perimeter temperature reading indicator with re-setting device. (g) Two earthing terminals on tank cover to facilitate fixing upto 50x6mm galvanised iron earth strip for earthing of body. (h) Rating plate and terminal marking plate. (j) Extra bushing for neutral in the LT cable box for providing independent set of earthing for neutral. (k) First fill of new and unused transformer oil, IS-335 marked, filtered and tested upto 40 KV dielectric strength at 2.5 mm air gap between testing electrodes. (l) Providing adequate size and nos of channels, embeded in floor, for movement of transformer. (m) Transformer losses shall not exceed the loses mentioned in IS: 1180(2014) Part - I with energy Effeciency level - III. (n) Oil temperator indicator , winding temperature indicator, marshalling box single window, double flit buchhols relay with alarm and trip contact including connection to existing RMU relay with PVC insulated PVC sheathed cable galvanized steel strip or wire armoured electric control cables (Heavy duty) with stranded copper conductor of size 1.5 sq mm 10 core 1100 volts grade. Note:- (i) Foundation drawings need to be provided by OEM/contractor for transformer and need to be approved from accepting officer / Engr-in-charge. (ii) Factory testing costing deemed to be included in quoted rate. Factory testing should be carried out in presence of representative of accepting officer along with Engr-in-charge.

Supplying, laying, jointing testing and connecting of XLPE insulated, screened, PVC bedded, galvanised steel strip or wire armoured, electric power cable (heavy duty) 120 sqmm 3 core with multi stranded aluminium conductors, IS 7098 marked, suitable for HT 11 KV(E) system, laid in trenches / ducts / encased in HDPE/DWC pipe including jointing & testing complete all as per IE/IS specification complete all as specified and directed by Engr-in-Charge Note :- (i) Excavation, earth work , DWC Pipe, cable joint shall be measured and paid separately under respective items of schedule. (ii) The contractor will be responsible for taking permission from appropriate authority i.e. IGL or other Units , if needed, for above said work. (iii) The cost quoted is deemed to be included for repairs / rectification for damages done to the existing electrical / communication / water supply system / Sewage System during execution of work.

150 sqmm 3.5 core

95 sqmm 3.5 core

50 sqmm 3.5 core

400 sqmm 3.5 core

Supply, installing, testing and commissioning 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) including PCC/RCC foundation complete all as specified and directed by the Engg-in-Charge and comprising of the following :- (a) Incoming :- (i) Incomer of the panel having ACB 4 pole , 630 Amps,50 Hz,415 Volts, 36 KA with microprocessor release - 01 Nos along with sprader terminals , Digital Multifunction Meter accuracy class 0.5 (compatible to measure V, A, F, PF, KW, KVA, Old energy, On and Run hours, site selectable kWh/ kVAh) 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 800/5 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) Indicating Lamps : 01 set Outgoing :- (i) MCCB 4 pole 415 V breaking cap 25 KA , current rating 200 Amps along with sprader terminals. - 05 Nos , for neutral proper busbar should be provided. (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 RYB, LED type - 01 set

Supply, installing, testing and commissioning 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) including PCC/RCC foundation complete all as specified and directed by the Engg-in-Charge . (a) Incoming :- (i) Incomer of the panel having MCCB 4 pole , 200 Amps,50 Hz,415 Volts, 25 KA with microprocessor release - 01 Nos along with sprader terminals , Digital Multifunction Meter, accuracy class 0.5 (compatible to measure V, A, F, PF, KW, KVA, Old energy, On and Run hours, site selectable kWh/ kVAh) 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) Indicating Lamps : 01 set Outgoing :- (i) MCCB 4 pole 415 V breaking cap 25 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 type-01 set