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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 bid to ras supply of mta items - aggregate 20 mm , aluminium window 3.5 ft x 3 ft , angle holder , apex red paint , apex white paint , armoured cable 25 sqmm 4 core aluminium , bulb holder , bulk head fitting , bus green paint , cable 1 sqmm single core copper , casing and capping , ceiling fan with regulator , cement , cfl 15w , cfl 20 w , chair office , chair revolving , change over switch 32 amp dp , clamp for pvc section pipe 2inch , cloth hook , connection pipe 450 mm long , pvc waste pipe for wash basin , curtain hook , curtain rod 1.5m , cutting disc 14inch cuttting blade , distemper , door 6.6 feet x 3.25 inch , door glass , door stopper , electric wire 2 sqmm , exhaust fan , false ceiling white 2 ft x 2 ft including all accessories , fan regulator , flexible wire , float ball 20 mm complete , float valve , floor tiles 2 feet x 2 feet , flush with complete accessories sys , gi pipe 75 mm , looking mirror , gi elbow 15mm , gi elbow 20 mm , gi pipe 25 mm , gi pipe 15mm , gi pipe 20 mm , gi t 15 mm , gi socket 15mm , gi socket 20 mm , glass putty , green paint , hdpe sand bag , batten holder , insulation tape , jet spray with pipe , led bulb 10 w , led bulb 12 w , led bulb 15 w , led bulb 20 w , led bulb 9 w , led security light 45 watt , led panel ceiling light 2 x 2 recess type 36 w 90- 230v 50hz , led panel light 2 feet x 2 feet , looking mirror 1200 x 750 x 3.5 mm thick with plastic decorative frame , m s ventilator , m seal , mcb 16 amp , mcb 32 amp , mcb 6 amp , mcb 63 amp , mcb distribution box 8 way , nails 3 inch , paint black , paint brown , paint brush 2inch , paint green , paint og , paint red , paint silver , paint white , paint brush 6inch , pendent holder , pvc tee 110 mm , pvc cable 1.5 sqmm 2 core copper , pvc cable 1.5 sqmm single core copper , pvc cable 10 sqmm 2 core aluuminum , pvc chair with arms , pvc connection pipe , pvc elbow 110 mm , pvc fexible pipe 1 inch , pvc flush tank , pvc jn box 20 mm , pvc pipe 32 mm dia , pvc pipe 110 mm 3 mtr long , pvc pipe 110 mm 10 feet , pvc pipe tee 2 inch , pvc pipe tee 3 inch , pvc switch gang box , red oxide primer , self tapping screw 2inch , self tapping screw 4inch , service wire 2.5 core copper , sliding door , socket 15 amp , socket 5 amp , steel but hinges 3inch door hinges , stop cock 20 mm , switch 5 amp , switch socket combination 5 amp 5 pin , cp bib cock 15mm , terracotta , thinner , lc prong with copper rod , towel rack , tube light complete set , tullu pump 0.5 hp , wall fan , wall stainer 100 gm , wash hand basin , water proof plastic , wc , wc sheet , white indian commode , window glass 1.10 feetx1.11 feet , window glass 1.2 feet x 1.8 feet , wood filler putty , wood stain , cgi sheet 8 ft , cgi sheet 10 ft , cgi sheet 6 ft , cgi sheet 12 ft , gi binding wire , copper wire 1.5 sqmm , switch socket combination 15 amp , aluminium door 6 ft x 2.5 ft , looking mirror 27 inch x 7.5 inch , plywood 10 mm , plywood 8 mm , pvc cable 2.5 sqmm single core copper , pvc cable 2.5 sqmm 2 core copper , profile sheet 16 ft , fine sand , tile flooring white 1ft x 1ft
Tender For bid to ras supply of uv tube light for sterilization 36w , tube light fitting led 20 or 22 watt , led flood light 250 watt , xlpe armoured cable 3 point 5 crore 95 sqmm aluminium , invertor led bulb 10 watt , mccb 63 amp 4 pole 35 ka 415 volts , mccb 125 amp 4 pole 35 ka 415 volts , street light led fitting 60 watt , xlpe armoured cable 3 point 5 crore 50 sqmm aluminium , 10 w led crystal bollard light , led bulb 15 watt , xlpe armoured cable 4 core 16 sqmm aluminium , switch socket combined 6 and 16 amp , post top laltern 45 w , xlpe armoured cable 3 point 5 core 35 sqmm aluminium , mccb 250 amp 415v 35 ka 4 pole , mcb 32 amp 2 pole c curve , led bulb 9 and 10 watt , street light led fitting 45 watt , street light led fitting 70 watt , bleaching powder , led flood light 120 watt , xlpe armoured cable 4 core 10 sqmm aluminium , mccb 100 amp 4 pole 25 ka 415 v , mcb 40 amp 2 pole b curve , pvc ball cock float valve with r and b 20 mm , mcb 63 amp 4 pole c curve 415 v , bell push 6 amp , mcb 20 amp 2 pole c curve , xlpe armoured cable 2 core 10 sqmm aluminium , fan regulator step type deluxe , mcb sp 6 amp c curve , pvc unsheathed frls copper cable single crore 4 sqmm , xlpe armoured cable 2 core 6 sqmm aluminium , mcb 25 amp 2 pole c curve , fan capacitor or condensor 2 point 5 mfd , 3 pin plug 16 amp , switch piano type 5 amp , pvc sheathed copper cables 2 core 6 sqmm 100 mtr length , ss combination 5 amps with box , led 16 w recessed luminaire , btc wire 4 sqmm 2 core , ss combination 5 amps 6 pin flush type multi purpose , mcb 40 amp 2 pole c curve , bulk head light 10 watt , modular socket 16 amp 2m 5 pin , btc power cable 2 point 5 sqmm 2core , pvc ball cock float valve with r and b 15 mm , modular fan regulator , mcb 25 amp single pole c curve , btc power cable 6 sq mm , mcb 20 amp single pole b curve , mcb 16 amp single pole c curve , socket 5 pin 6 amp , mcb 25 amp single pole b curve , pc angular holder , pvc unsheathed frls copper cable single crore 1 point 5 sqmm , modular switch 6 amp1 way 1 m , mcb 16 amp single pole b curve , ceiling light fitting l 2 ft w 2ft of 20 watt , tubin gi pipe 25mm dia medium grade , 3 pin plug 6 amp , ppr ball value 25mm , modular socket 6 amp 2m 5 pin , call bell buzzer type , mcb 20 amp single pole c curve , modular switch bell push type 6 amp , pc pendant holder , tape insulation 15 mm dia 25 m length , mcb 32 amp single pole c curve , switch f t two way 6 amp , switch f t one way 16 amp , switch f t one way 6 amp , modular switch16 amp1 way 1 m , call bell ding dong , pc batten holder , socket 3 pin 6 amps flush type , socket reducing gi nominla bore 25mm reduce nominal 20 mm , socket reducing gi nominla bore 25mm reduce nominal 15 mm , gi elbow 25mm , socket 5 pin 6 and 16 amp , batten for led tube light 22 watt , alum , calcium hypochlorite granules (65 - 70 %) (v2) (q2)
Tender For request proposal for supplying various equipment, chemicals, standard reference microbial cultures, glasswares/ plasticwares and general items in 9 numbers of district level water testing laboratories of jharkhand a-dumka zone - refrigerator- ( 265 litre approx., double door ),make & model: branded ( is standard), analytical balance-( 4digit), weighing capacity of 220g, externally calibrated by nabl accredited lab/agency with calibration certificate, make & model: branded) ( is standard), ph meter-(measuring range ph0.0-14.0), make & model: branded ( is standard), hot plate with magnetic stirrer-(power: 2000 watt approx., operating volts: 230a15 volts a/c), stirring capacity: 50-1500 rpm, capacity of stirrer: 2 litre, plate size: 18.4x18.4 cm(approx.), make & model: branded, bacteriological incubator-digital construction -double walled construction outer body made of mild steel powder coated & inner body made of stainless steel, insulation : glass woll insulation between two walls. inner size : 18" x 18" x 24", rating watts 750, no. of shelves 3, capacity 120 ltrs, temp range- 5 c - 60 c accuracy +/- 0.5 c, temp controlled by : controlled by pid micro process controller with dual display. selves : with g.i. wire mesh selves, door : 2 door inner acrylic door to view sample & outer metal door with air circulation motor with blower for uniform temperature throughout chamber. heater : special nichrome heater designed for long life & saving of power consuption. thermometer type : electronic with digital display. make & model : branded ( is standard), laminar air flow chamber(biosafety cabinet)-external dimensions (lxwxh) in inches and mm:40 x34.25 x56.7, (1020 x870x 1440) work area dimensions: 34.45 x24 x22.52 (857x610x572) material of construction: galvanised iron sheet with epoxy polyester thermosetting powder coating of 80 microns, 1.5mm thickness/stainless steel grade 304,1.2mm for ss modelsbody finish: glossy off white colour for gi powder coated table top: 1.2mm ss 304 sheet of matt finish pressed on 25mm solid nuwud board side glass: 6mm float glass encased in stainless steel channels front door: frameless gas spring loaded swinging type polycarbonate 6mm thickness wheels and levelling lugs: pu solid wheels with plated brackets and metallic powder coated design: front bottom loading pre-filters or completer work area with stainless steel including hepa grill cleanliness class: iso standard 14644-1- class 5 stages of filtration: a.pre-filters= 10 with an efficiency of 90 % washable hdpe media in frp pu coated frame b.mini pleat hepa filter encased aluminium frame with an efficiency of 99.995% motor blower assembly: variable speed mtor mounted on pu coated frp blowers with aluminium powder coated impellers velocity: 100 fpm at 6 from face of the filter noise level: less than 60db at 1 meter from the face of the equipmenthepa filter grill: stainless steel grills duly perforated and polished electrical specifications: a. switches and speed controller: microprocessor controlled feather touch switch panel b. fluorescent lighting: 18 watt. c. chokes for lighting: 18 watt d. ultraviolet lighting: 1.5 feet length g15t8, 15 watt power consumption: 250 watts lighting: greater than 800 lux power supply: 230v,50hz power supply, single phase 5 amperes power cord accessories: gas burner, gas/vacuum cock ( is standard), autoclave -vertical autoclave size 14" dia x 22" ht, rating in watts 3000, capacity of 52 ltrs complete s.s with foot lifting arrangement used for sterilization under saturated steam pressure at 15psi with double walled units with inner chamber made of thick stainless steel and outer chamber made of s.s.lid is made of thick gauge stainless steel with pressure gauge steam release valve, and safety valves. with foot lifting arrangement. with s.s. basketaccessories:1. digital temperature indicator cum controller with timer -1 no.2. water level cut off-1no.3. pressure cut off switch-1no. ( is stan