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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 voltmeter 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 bid to ras bid to ras corrigendum : supply of condenser air evacuation package for lara project - w96716155937 drg 31611770113 rev 00 condenser air evacuation package vacuum pump spec he57016 rev 04 itemid bh010 lara1 , w96716155937 drg 31611770113 rev 00 condenser air evacuation package vacuum pump spec he57016 rev 04 itemid bh010 lara2 , w96716155317 drg rev 00 complete vacuum pump bare shaft vacuum pump spec he57016 rev 04 lara spare , w96716155325 main motor for vacuum pump spec he57016 rev 04 , w96716155465 heat exchanger for vacuum pump package spec he57016 rev 04 lara spare , w97716155580 impeller and shaft assembly complete suitable for 30 scfm vacuum pump spec he57016 rev 04 size suitable for origanal supply lara spare , w97716155253 coupling complete for vacuum pump of 30 scfm spec he57016 rev 04 size to suit the main supply lara spare , w97716155059 bearing for vacuum pump 30 scfm 1set equals 2 nos spec he57016 rev 04 size to suit original supply lara spare , w96716155589 complete set of gaskets o rings for heat exchanger spec he57016 rev 04 lara spare , w97716152050 complete set of mechanical sealing assembly deand nde gland packing assembly as applicable of one vacuum pump spec he57016 rev 04 lara spare , w97716155431 seal water recirculaton pump asembly along with motor 30 scfm vp spec he57016 rev 04 lara spare , w97716155822 pressure transmitter for vacuum pump system 0 to 1 bar abs spec he57016 rev 04 lara spare , w96716155813 level transmitter for vacuum pump spec he57016 rev 04 lara spare , w96716155210 drg 31611770047 rev 00 differential pressure switch for vacuum pump spec he57016 rev 04 lara spare , w96716155490 flow indicator cum switch for vacuum pump spec he57016 rev 04 lara spare , w96716155180 drg 31611770044 rev 00 temperature switch for vacuum pump spec he57016 rev 04 lara spare , w97716155547 level gauge for vacuum pump separator tank spec he57016 rev 04 size to suit original supply lara spare , w97716155733 drg to suit original supply rev 00 pressure gauge 0 to 1 bar lara spare , w97716155741 drg to suit original supply rev 00 pressure gauge service water lara spare , w97716155466 temperature gauge 0 to 100 deg c for vacuum pump heat exchanger size 0 to 100 deg c lara spare , w96716155457 differential pressure gauge for vacuum pump package duplex filter spec he57016 rev 04 lara spare , w97716155849 drg to suit original supply rev 00 air flow meter rotameter for vacuum pump system spec he57016 rev 04 lara spare , w96716155244 drg 31611770051 rev 00 temperature transmitter for vacuum pump spec he57016 rev 04 lara spare , w97716152033 temperature element for vacuum pump spec he57016 rev 04 lara spare , w97716152041 thermowell for temperature element spec he57016 rev 04 lara spare , e and c charges lump sum per man day charges at site including every expense at our site boarding and lodging, local travel etc , e and c charges lump sum per visit charges to and fro including travelling time and all expenses up to our project site bid details/ 2 / 30
Tender For supply of telescopic channel made of mild steel 1point 25mm thick of 45kg capacity , supply only on load change over switch front operated switch disconector with extenderd shaft and ip 65 fp 400 amps 36 ka , supply only 3 phase automatic phase sequence corrector of 50 amp load capacity complete make abb , supply only 3 phase automatic phase sequence corrector of 20 amp load capacity complete make abb , xlpe cable alum conductor 3 core 300 sqmm 33 kv , 33 kv e 3 core 300sqmm standard aluminium conductor xlpe armoured cable , solar inverter 100kw , solar inverter 50kw , solar inverter 33kw , solar inverter 20kw , supply hi wall split air condition units in stone walls type split ac inverter model 5 star rating adheriing to specified bee 100 percent copper tubing and of capacity 2 point 0 tr , supply and fix voltage stabilizer for automatic operation single phase naturally air cooled indoor type and designed input vairiation between 170v to 250v , refrigerators 310ltr doble door , led kerb stone of size 500mm x 150mm x 200mm made out of 5 foundation rods ensuring complete protection against theft and having a led strip of length 470mm with 22 nos led duly plastic coated of any , gaseous type gravity feed chlorinator of capacity upto 2 kg hrs chemical grade panel board 6mm thick 2 x 4 feet pvc primary filter safety gauge teflon pipe 5 rm ubend secondary filter , new empty chlorine gas cylinder 100kgs capacity along with all accessories , chlorine cylinder emergency safety kit on operating cylinders consist of following accessories cylinder valve hood assembly 01 set cylider valve cap with silver coating valve 01 set , self contained open circuit breathing apparatus with oxygen cylinderfor duration of 30 minutes with audio alarm system light weight fiber glass back plate and two stage pressure reducing , upvc pipes sch 40 with fittings onwalls ceiling or laying in floors of size 25mm complete all as specified and directed by engineer in charge , gaseous type gravity feed chlorinator of capacity upto 2 kg hrs chemical grade panel board 6mm thick 2 feet x 4 feet mounted consist of flow meter , new empty chlorine gas cylinder 100kgs capacity alongwith all accessories , self contained open circuit breathing apparatus with oxygen cylinder for duration of 30 minutes with audio alarm system light weight fiber glass back plate and two stage pressure reducing sys , solar street light 40 watt made with high efficiency monocrystalline with minimum 150wp , steel tublar high mast pole 12 point 5 meter height octagonal material heavy duty mild steel surface along with base , eros decorative orbit s round arm for fixing inverted post top lamps made from casting , pole for fixing iverted post top lamps made from castrion from casting procedure decorative having 3 different dia in one length , epr ethylene propylene rubber pcp high mast cable multistranded copper cable 4 sqmm 4 core , sintex box for street light pole size 205mm x 200mm x 105mm along with aluminium busbar 100 amps , galavinised iron steel water tubing 50mm nominal bore heavy grade , numerical based overcurrent and earth fault protection relay of having 08 nos led indictor for showing different ype of signals operating on vx 24 25 vdc 40 240 vac , precast manhole cover 1 point 20 x 0 point 60m x 0 point 06m , precast manhole cover 1 point 90 x 0 point 60m x 0 point 06m , precast manhole cover 1 point 90 x 0 point 45m x 0 point 075m , fencing of size 75 x 75 x 3 point 15 mm dia , bid details/ 2 / 60 submersible pump 5 hp 3 phase , submersible pump 3 hp 3 phase , submersible pump 2 hp 3 phase , submersible pump 1 hp single phase , sumersible pump half hp single phase , dol starter for 1 hp motor , dol starter for half hp motor , dol starter for 2 hp motor , dol starter for 3 hp motor , automatic star delta starter 3 phase 5 hp , automatic star delta starter 3 phase 20 hp , gi tubing med grade 40mm dia , gi tubing med grade 50mm dia , pop up sprinkler , heavy duty pvc pipe 63mm dia , h
Tender For bid to ras supply of compressor block with head and valve , piston and ring of air compressor , connecting rod with bearing , air filter , motor pully , oil seal , starter for three hp motor l andt , power supply board zero four eight seven six three one to eight eighty esab model no tig twenty two hundred i , micro switch for washing unit , protective lens for laser engraving machine f theta lens , protective lens for laser cleaning machine protective window or lens , cutoff switch sixty three amp of sixty three kva generator , copper lug twenty five mm , copper lug sixteen mm , insulation tape sixteen mm twenty five mtr , change over switch hundred amp , contactor aux point two no plus two nc coil voltage two twenty v seventy amp , amp meter zero to hundred ampt with ct , voltmeter zero to five hundred volt , electronic timer zero to sixty sec , over load relay zero to forty amp
Tender For supply of flushing switch assembly ( 5/2 spool valve type ) pneumatic operated sp ecification 1. operating air pressure = 10 bar (maximum) 2. 5/2 spool valve type (5 port 2 posi tions) as under (a) - total port = 5 nos. (b) - inlet port = 1 no., depth : 10 mm. to 12 mm., threa d diameter : 1/8 inch or 1/4 inch. (c) - outer post = 2 nos, depth : 10 mm. to 12 mm., thread dia meter : 1/8 inch or i/4 inch (d) - exhaust port = 2 nos., depth : 12 mm. to 15 mm, thread diamete r : 1/8 inch or i/4 inch (e) - total length of flushing switch assembly (without knob plates) is = 130 mm. (approximately). [ warranty period: 30 months after the date of delivery ]
Tender For supply of set of end wall assly for lhb power car coach the exterior of end wall sh all be without buldges or depression that might appear after painting. the concavity a nd convexity shall be less than 1.5 mm in a length of 2.5 meter and in this proportion f or shorter lenght (eft cover assembly to be supplied loose condition) as per planning set list no. mpewlwlrrm version 6, mdts 21332 rev. 02, packing instruction - s/mcfpi187 ver.0. [ warranty period: 84 months after the date of delivery ]
Tender For supply of end wall construction assembly complete fitted along with shutter complete to drawing no. 2 10113.0.76.300.012 alt. r1 for lhb coaches. the exterior of end wall shall be without buldges or depressions that might appear after painting. the concavity and convexity shall be less then 1.5mm i n length of 2.5 meter and in this proportion for shorter length (eft cover assembly to be supplied loo se condition) to drg.no. le15250 alt 'd'. packing instruction: mcfpi187 ver.0. [ warranty period: 8 4 months after the date of delivery ]