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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 replacement of various electrical accessories and minor addition / alteration in e.i work at various locations in oa meerut. - supplying and drawing following size of frls pvc insulated copper conductor, single core cable in the existing surface/recessed steel / pvc conduit etc as required. (a) 2 x 1.5 sq. mm, 1 sq. mm twin core flat flexible cable, supplying and fixing following modular switch/ socket on the existing modular plate & switch box including connections but excluding modular plate i/c making connection etc. as required. (a) 5/6 amp switch, 15/16 amp switch, 3 pin 5/6 amp socket outlet, 6 pin 15/16 amp socket outlet, 6 way pvc gang box, supplying and fixing of following size / modules, gi box alongwith modular base and cover plate for modular switches in recess etc complete as reqd. (a) 8 module (125mm x 125mm), 6 module (200mm x 75mm), 4 module (125mm x 75mm), supplying & fixing of follwing piano type switch & sockets in place of faulty components in existing switch board , power points i/c connections etc as required. (a) 5/6 amp single way switch, 3pin 5/6 amp socket outlet, 15/16 amp switch, 6pin 15/16 amp socket outlet, supplying & fixing of following led lights complete with all accessories i/c connection etc. as required. (m/s philips / crompton / havells & ss make) (a) 20 watt led round focus light, 24 watt led round focus light, 30 watt led street light, 50 watt led flood light, 10 watt 300 mm led batten, 2 x 2 led panel, supply and fixing of tower type room heater having dual carbon elements, provision of oscillatig type operation, two heat settings 600 w/1200 w, rotary switch conrol,tip over safety switch, thermal fuse for extra safety, high thermal efficiency suitabe for operation on 230 volts, 50 hz. single phase ac supply i/c connection, testing etc. complete as requred. ( m/s warmex make model no. rapid or ss make), supply and fixing of sun type room heater having all standard accessories and switches as required., sitc of submersible pump motor set capable of discharging 400-150 lpm of a head range of 23 - 70 mtr the pump shall be multistage of 5.0 hp totally enclosed submersible motor on common shaft suitable for operation on three phase 415 volt 50hz ac supply complete with all accessories etc as reqd. the pump shall consist mechanically balanced stainless steel shaft suction chamber provided perforated strainer etc complete with all other accessories. the electric motor winding shall have a non aging water proof insulation resistant to chemical effect having high strength motor pump shaft supported in water lubricated bronze plain bearing bushes with special self aligning shaft assembly end cap etc complete as required. (model- cora18c/14g+uma 100, 3.7/22 ksb or ss make), supply and fixing of 5 way extension board - 5 universal socket + 5 switch, with indicator, on/offswitch and heavy duty cable complete as reqduired., supply and fixing of movable tv stand complete as required., supply and fixing of line diagram of ht/lt distribution at te bldg. shastri nagar complete as required., supply and fixing of cctv cabinet and repairing of cameras complete as requied., supply and fixing of hdmi cable complete as required., supply and fixing of 7 ah smf battery in existing ups of cctv system complete as required., supply and fixing of 1 x 1 mcf board woth suitable screws etc. for making good the cables laying in cgmt chamber and making all cables of internet and ethernet power supplies complet as required.
Tender For supply of propeller type ac ventilating fans - exhaust fans (v2) as per is 2312 (q2) , electric ceiling fan with bldc motor (v3) isi marked to is 374 (q2) , led street light 120 w having microwave motion sensor the fixture would have an efficacy of 135 lpw as system efficacy and 175 lpw as chip efficacy ip 66 , led light 72 w post top victorian look suspended mounting arrangement to be mounted on poledo fuse element 11kv 5 amp , led bollard ufo shape 2 feet height 10 w , supply only 5 star 1 point 5 ton hi wall split units indoor outdoor complete with cordless remote control unit and with cooling and heating function of capacity complet connected accessories , supply only electric water heater storage type steel body with copper inner tank and heating element up 2 kv capacity 25 litre bee 5 star , supply only water cooler fully stainless steel electric driven single phase having approx storage and nominal cooling capacity of 40 divide 80 ltrs per day complete , smart led street light endprlplussl 120 watt led 730 pasytopic micr sensor base operation detection range 10 metre light , led street light endprlplussl 120 watt led 730 pasytopic micr sensor base , supply only 12 volt 65 ah sealed maintenance free battery for 30 kva online ups installed at hq swc bldg , wall mounting fancy lightfitting 9 watt complete , lt 1 point 1 kv cable and termination joint 3 point 5 core 25 to 50 sqmm , lt 1 point 1 kv cable and termination joint 3 point 5 core 70 to 120 sqmm , lt 1 point kv cable and termination joint 3 point 5 core 185 sqmm , exhaust fan iron body of size 300 mmvolt single phase , xlpe cable joint ht of size 150 sqmm 3 core straight through joint for 11 kv , xlpe cable joint ht of size 185 sqmm 3 core outdoor end termination type , shaivi pipe supporting clamping system s4 channel 10 feet 1 nos profile bracket 3 to 2 nos ubolt rm 4mm to 1 nos zinc coated nails , shaivi pipe supporting clamping system s4 channel 10 feet 1 nos profile bracket 3 to 1 nos ubolt rm 75mm 1 nos zinc coated nails , shaivi pipe supporting clamping system s4 channel 18 feet 1 nos profile bracket 3 to 2 nos ubolt rm 20mm 4 nos zinc coated nalis 4 nos , heating element 1 point 5 kw large tringle cup type , led spot light 9 watt complet set , heating element 1 point 5 kw round cup type , glass pane pin headed 4mm thick 4 x 3 sheet , glass pane plane 4 mm thick 4 x 3 sheet , galavnised mild wire mess 0 point 90x 15 mtr tube , forged valve 15mm bore half turn , looking mirror 18x 15 mm with plastic frame , lighting arrestors for 33 kv heavy duty set of 3 pc , glavanise wiremesh 5mm dia wire average width 1 point 14 mm wire mesh width 1 point 12 mtr and 50 feet long , straight through joint for xlpe cable 11 kv of 95 sqmm , lt straight through joint 70 to 95 sq mm , indoor end joint 70 to 95 sqmm , straight through joint for xlpe cable 11 kv of 120 sqmm