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Tender For providing and fitting of essential items and allied material for snow clearance operation at nathatop sanasar road - supply, testing and commissioning of 48v smps float cum boost automotive battery charger with moveable trolley stand for snow operation at nathatop - sanasar roadgeneral technical requirements for battery charger suitable for 48v vrla type battery1.) type -float & float cum boost charger for vrla type, full wave, full controlled type. 2. ) ratings- 15 a float cum boost for 48v, 150 ah vrla type battery 3. ) ac input- i) voltage 415 vac 10%ii) frequency 50hz 5% iii) phase 3 - phase 4.) d.c.output voltage settings -nominal float fc 48/54.5v (adj. by + 20%, - 5% bc 48/66.5v (adj. by + 2%, - 5%) 5.) output current limit 15a 15a 6. ) power conversion ac to dc by means of three phase full wave, half controlled bridge rectifier consisting of thyristors and diodes. 7.) voltage regulation at bridge output. + 1% of set value for + 10% input voltage variations, 0-100% load variation. 8. ripple voltage less than 3% rms without battery connected. 9. efficiency more than 80% at full load 10. protections (a) input side ac input mccb & elbs with input on/off switch and fuses, contactor (b) output side dc output mccb with output on/off switch and fuses. (c) protection current limit protection, soft start feature, surge suppressor. fast semiconductor fuses for rectifier bridge. (d) control circuit fuses (e) capacitor circuit rectifier hrc fuses. (f) over-voltage cut-back (g) charger over load / short circuit (h) blocking diode 11. controls and switches followings controls and switches are provided in the system 1 ac input source mccbs with interlocking 2 dc output mccb 3 auto/manual float/boost mode selector switch. 4 float and boost voltage variable potentiometers. 5 manual voltage adjustment potentiometer 6 test push button 7 reset push button 8 battery current adjustment potentiometers 9 heater s power supply switch 12. features the following features are provided in the systems: 10 soft start on dc side 11 class-f insulation for all magnetic 12 automatic voltage regulation. 13 automatic changeover from float to boost and vice versa based on current, drawn by battery. 14 filter circuit to eliminate ripple. 15 charger current limit 16 separate battery path current limit. 17 built-in auto phase reversal of operation. 13. meters f.c. b.c. (i)input voltmeter (i) common (ii) input ammeter (ii) input ammeter (iii) output voltmeter (iii) output voltmeter (iv) output ammeter (iv) output ammeter. battery volt meter battery ammeter earth leakage ammeter 14. indications phase on lamps (ii) output on lamp a)phase on lamps (ii) output on lamp. (iii) charger on float led (iv)charger on boost led. 15. annunciation with audiovisual alarms. (i) ac input mains failure (ii) input phase failure (iii) ac under voltage iv) input phase failure v) rectifier fuse failure vi) output fuse failure vii) filter fuse failure viii) dc under voltage ix) dc over voltage x) charger trip xi) capacitor fuse fail xii) output mccb tripped xiii) charger over load xiv) earth leakage xv) dc earth fault xvi) alarm supply fuse failure xvii)battery low condition. v) rectifier fuse failure vi) output fuse failure vii) filter fuse failure viii) dc under voltage ix) dc over voltage x) charger trip xi) capacitor fuse fail xii) output mccb tripped. note : all the alarms shall be provided through electronic display cards. audio alarm through buzzer, visual indication through 10 mm leds & alarm ackn. / reset and led provision is through push buttons. 16. operating ambient temperature surrounding the panel 00 to 500 c 17. surrounding the panel relative humidity. 0-95% non-condensing 18. panel (i) protective grade (ii) cooling (iii)paint ip 42 natural air-cooled smoke grey of iss-692 shade a) average winding temperature rise over ambient temperature b) insulation class c) insulation breakdown voltage. as per relevant iss. f 3 kv for 1 min withstand. 19. cables 1100 v
Tender For work of supply, installation, testing and commissioning of 125a mccbpanel (with box) on 63 kva and 200a mccbpanel (with box) on 100 kva dtr in various location under edsd kichha under electricity distribution division, kichha
Tender For supply of replacement of conventional motor starter by energy saving variable frequency drive - material and labour for disconnecting the cabel connection from conventional starter complete all as specified and directed , material and labour for taking down conventional starter and removing to mes store for issue as sch of credit complete all as spd and directed. , supply and fixing variable frequecy drive vfd 15 hp 3 phase heavy duty 380 to 480 volt strong overload capacity with enclosure panel complete all as specified and directed , material and labour for reconnecting the cabel connection of vfd and mccb complete all as specified and directed , material and labour for testing of vfd on load with complete satisfaction of engineer in charge complete all as specified and directed
Tender For 8593 maintenance replacement repair switch gear change over lt distribution system panel ug cables mccb lightning arrester apfc panel earthing and their connected miscellaneous work in the area of aicts hospital area under age em i of ge south pune
Tender For corrigendum : tender for supply of equipment design erection tetsing and commissioning for sop to 4g bsnl tower authority by providing single phase lt line at lagga chalga along with augmentation of existing dtr under esd chamba no ii - supply of lt line with acsr 6/1/2.59 mm sq. on steel poles (0.060 km)vill. lagga and aug. of 11/.4 kv 25 kva to 63 kvs s/stn. lagga section sahoo esd chamba-ii t.s.no. 97/24-25), acsr 6/1/2.59 (30mm ) {includes 2 conductor lengths for 1 and additional 1% (sag, jumpering and wastage}, prov. steel tubular poles.8mtrs, muff for steel tubular pole (1800mm long) with concrete filling, shackle insulator with d-iron, stay set complete in all respect, stay wire (7/3.15 mm) (8.0 kg per stay set), prov. g.i. wire 8swg, prov. egg insulator, prov. eye hook, nut & bolts off size, aluminium paint, erection of lt line with acsr 6/1/2.59 mm sq. on steel poles (0.060 km)vill. lagga and aug. of 11/.4 kv 25 kva to 63 kvs s/stn. lagga section sahoo esd chamba-ii t.s.no. 97/24-25), acsr 6/1/2.59 (30mm ) {includes 2 conductor lengths for 1 and additional 1% (sag, jumpering and wastage}, prov. steel tubular poles.8mtrs, muff for steel tubular pole (1800mm long) with concrete filling, shackle insulator with d-iron, stay set complete in all respect, stay wire (7/3.15 mm) (8.0 kg per stay set), prov. g.i. wire 8swg, prov. egg insulator, prov. eye hook, nut & bolts off size, aluminium paint, supply of aug. of 11/.4 kv 25 kva to 63 kvs s/stn. lagga, prov. 11/.4 kv, 63 kva s/stn., pipe earthing with gi,charcoal & salt, prov. lt distribution panel with mccb (160 a, 10 ka, 4p,1 no.) & sfu (32 a 5 no. rewireble) for 63kva trf. as per specification, lt cable 3-1/2 core-70mm sq., surge arrester, 9 kv station class, aluminium thimbles, copper thimble, energy meter (3-phase, 4-wire) dlms compliant 1000/5 a ct type for 63 kva transformer, erection of aug. of 11/.4 kv 25 kva to 63 kvs s/stn. lagga, prov. 11/.4 kv, 63 kva s/stn., pipe earthing with gi,charcoal & salt, prov. lt distribution panel with mccb (160 a, 10 ka, 4p,1 no.) & sfu (32 a 5 no. rewireble) for 63kva trf. as per specification, lt cable 3-1/2 core-70mm sq., surge arrester, 9 kv station class, aluminium thimbles, copper thimble, energy meter (3-phase, 4-wire) dlms compliant 1000/5 a ct type for 63 kva transformer, mannual carriage of existing & new transf.(25 & 63 kva) 2.00 km back to store, supply of lt line with acsr 6/1/2.59 mm sq. on steel poles (0.650km) vill. chalga section chaned esd chamba-ii t.s.no.96 /24-25), acsr 6/1/2.59 (30mm ) {includes 2 conductor lengths for 1 and additional 1% (sag, jumpering and wastage}, prov. steel tubular poles. 8mtrs, prov. steel tubular poles. 9mtrs, muff for steel tubular pole (2000mm long) with concrete filling, shackle insulator with d-iron, stay set complete in all respect, stay wire (7/3.15 mm) (8.0 kg per stay set), prov. g.i. wire 8swg, prov. egg insulator, prov. eye hook, nut & bolts off size, coil earthing, aluminium paint, erection of lt line with acsr 6/1/2.59 mm sq. on steel poles (0.650km) vill. chalga section chaned esd chamba-ii t.s.no.96/24-25), acsr 6/1/2.59 (30mm ) {includes 2 conductor lengths for 1 and additional 1% (sag, jumpering and wastage}, prov. steel tubular poles. 8mtrs, prov. steel tubular poles. 9mtrs, muff for steel tubular pole (2000mm long) with concrete filling, shackle insulator with d-iron, stay set complete in all respect, stay wire (7/3.15 mm) (8.0 kg per stay set), prov. g.i. wire 8swg, prov. egg insulator, prov. eye hook, nut & bolts off size, coil earthing, aluminium paint
Tender For bid to ras supply of cgi sheet,self tapping screw 3 inch isi marked,110mm pvc pipe,gi pipe 40 mm dia of 20 ft long,iron cutting wheel 5 inch,welding rod 3 pt 15 mm,ms iron flat of 40mm wide and 3mm thick,terracotta,paint red,paint yellow,paint white,paint green,paint blue,100 amp mccb 4 pole,cement of 43 grade opc in sealed bags each weighing 50 kgs,river sand,aggregate 20mm graded,pcc bricks of size 230mmx115mmx75mm,genr set 63 kva kirloskar complete overhaul with following new items,genr set 62 pt 5 kva mahindra complete repair of amf panel with following items
Tender For corrigendum : supply of main switchboard msb-1 with control section distributionsection and complete power management system pms facility as per tsp section ii para 1.1 2.1 , main switchboard msb-2 with control section distribution section and complete power management system pms facility as per tsp section ii para 1.1 2.1 3.1 , switchboard for emergency diesel alternator 135kw consisting of control section and feeder section as per tsp section ii para 1.1 2.1 3.1 , power distribution boards pdbs 415vac mccb type 3 ph in 3 ph out 12 output with auto changeover facility as per tsp section ii para 2.3 3.3 , power distribution boards pdbs 415vac mccb type 3 ph in 3 ph out 4 output as per tsp section ii para 2.3 3.3 , power distribution boards pdbs 415vac mccb type 3 ph in 3 ph out 10 output as per tsp section ii para 2.3 3.3 , power distribution boards pdbs 415vac mccb type 3 ph in 3 ph out 8 output as per tsp section ii para 2.3 3.3 , power distribution boards pdbs 230vac mcb type 3 ph in 3 ph out 8 output with manual changeover switch as per tsp section ii para 2.3 3.3 , power distribution boards pdbs 230vac mcb type 3 ph in 1 ph out 12 output as per tsp section ii para 2.3 3.3 , power distribution boards pdbs 24vdc mcb type 8 output as per tsp section ii para 2.3 3.3 , power distribution boards pdbs 24vdc mcb type 8 output with interlock circuit as per tsp section ii para 2.3 3.3 , lighting distribution boards ldbs 230vac mcb type 1 ph in 1 ph out 8 output as per tsp section ii para 2.3 3.3 , shore supply connection box sscb as per tsp para 2.4 3.4 , external supply panel of 800a as per tsp para 2.5 3.5 , rectifier cum battery chargers with batteries 60a 1.5kw24vdc as per tsp para 2.6 3.6 , rectifier cum battery chargers with batteries 130a 3kw24vdc as per tsp para 2.6 3.6 , on board spares separate list for msb, esb pdbs esp scb , documentation separate list for msb esb pdbs esp scb , installation material as per tsp separate list for msb esb pdbs esp scb , services of engineers installation and stw , services of engineers for hats , services of engineers for sats , training , monthlywarranty extension charges for 12 months beyond december 2026 , represervation of charges 06 months for msbesb apms rectifier cum battery charger if required , extra man-days for 1st year , extra man- days for 2nd year
Tender For quotation enquiry for the work of new electrification works in building materials testing lab civil engg department at vnit campus nagpur - new electrification works in building materials & testing lab, civil engg. department at v.n.i.t. campus, nagpur., providing & erecting 4 pole mccb, 415v, up to 100a, rated short-circuit breaking capacity 25 ka (ics=100% of icu), adjustable thermal (overload) setting and fixed magnetic setting with provided leads, provision for installation of shunt/uv/trip alarm contact. mccb with phase barriers on both sides, insulation withstand capacity 800v, no line-load bias in provided enclosure/panel as per specification no. sw-mccb, supplying and erecting ss enclosure of 1.6mm thick with detachable gland plate suitable for upto 100a mccb., supplying, erecting, testing & commisioning bus bar chamber triple pole with neutral with four copper bars, 500v, 100a having 10mm ( width) x 1.6 mm (thickness), with 99.9 % copper purity as per e91e grade & current density 1.6 a per sq mm compliance to is 5082 and enclosure fabricated with 16 swg crca sheet and epoxy paint, with suitable number of ways and with smc/dmc insulators and accessories of suitable rating and two nos of separate earthing terminals complete as per specification no. cp-bb, supplying, erecting, testing & commisioning bus bar chamber triple pole with neutral with four copper bars, 500v 200a having 20mm ( width) x 2 mm (thickness), with 99.9 % copper purity as per e91e grade & current density 1.6 a per sq mm compliance to is 5082 and enclosure fabricated with 16 swg crca sheet and epoxy paint, with suitable number of ways and with smc/dmc insulators and accessories of suitable rating complete as per specification no. cpbb, supplying, erecting & terminating fr xlpe insulated, galvanised steel formed wire armoured (strip) cable, 1100 v 4 core 35 sq. mm. aluminium conductor complete erected with glands & lugs on wall/ trusses/pole or laid in provided trench/ pipe as per specification no. cb-lt/al, supplying, erecting & marking fp mcb 63a, with rated short - circuit breaking capacity (icn) 10ka in provided distribution board as per specification no. sw-mcb, supplying & erecting crca sheet metal one way enclosures of 1.2mm thickness suitable for dp mcb/tp mcb/fp mcb/rccb/rcbo complete erected on provided angle iron/gi frame., supplying & erecting mains with 4x16 sq.mm frlsh copper pvc insulated wire laid in provided conduit/trunking/inside pole/bus bars or any other places as per specification no. wg-ma/bw, supplying and erecting exhaust fan heavy duty 230 v a.c. 50 cycles 375/380 mm. 1400 rpm complete erected in position as per specification no. fgfn/exf, supplying & erecting of 20w led tubelight combined fitting with 01 year warranty, point wiring for light/bell/exhaust fan in pvc trunking (casing-capping) with 1.5 sq.mm (2+1e) frlsh grade copper wire, modular type switch, earthing and required accessories as per specification no. wg-pw/sw, supplying and erecting modular type switch 16a on provided plate and box with wiring connections complete., supplying and erecting modular type 3 pin 6/16a multi socket with safety shutter on provided plate and box with wiring connections complete., supplying and erecting 16a, 10ka, spmcb suitable to fix in 1 module of modular switch in provided box complete & duly concealed with necessary material and connected., supplying and erecting modular type blanking plate one module, on provided plate & box., supplying and erecting pvc surface modular switch box with double mounting & front plate for 8 module complete duly connected., supplying and erecting pvc trunking (pvc casing-n-capping) of size 25mm with accessories on wall/ceiling as per specification no. wg-ma/con., supplying and erecting pvc trunking (pvc casing-n-capping) of size 32mm with accessories on wall/ceiling as per specification no. wg-ma/con., supplying pedestal type air circulator 600