West Bengal Power Development Corporation Limited - West Bengal

39947848 procurement of nozzle for hfo burner in furnace for secondary air damper control for upcoming oh of unit 2, sgtpp , procurement of nozzle for hfo burner in furnace for secondary air damper control for upcoming o/h of unit 2, sgtpp , nozzle for hfo burner in furnace for secondary air duct ( moc: ss 310 apprx. weight 150 kg )...

Indian Army - West Bengal

39938518 bids are invited for air duct cooling system air duct coolers , gi duct 8x4 32 sq feet , ductable air grill movable , installation charges , delivery charges total quantity : 47...

Eastern Railways - West Bengal

39926992 supply of air duct for traction motor type 253 bx, 4601 az of emu / memu. as per kpa drg. no. er / kpa / el tm. 2he.096 or m / s bhels drg no 14390237004v01. [ warranty period: 30 months after the date of delivery ] ...

Eastern Railways - West Bengal

39539103 auction sale of p.l. no.98057054.scrap melting gr d consisting of cutting sol bar, cutting outside panel, trough floor, plate cutting, angle cutting, pipe cutting, structure cutting, cut pieces of rod, damage emu door, air duct, fan chamber, partition frame, cattle guard, ms base, tap changer, tubular pole, expanded metal, vsb packing, bs door, iron window, ms rod , return spring, assorted ferrous, boxn door, fire extinguisher , mvrh duct, tieber fencing, nut bolt, pin, angle frame with or without net, ms part of lamp cover, r.s. joint, ms iron plate, angle, door shutter, pedestal type seat assly, fencing wire and such materials fit for melting gr d except p way materials , rail, fish plate etc.qty 210mt. location i) west of nh 1 godown, east of outer boundary wall. ii) south of link road, east of jt road. condition 1) cutting is allowed for loading purpose only. 2) delivery will start from loc (i). after completion of delivery from loc (i) delivery will start from loc (ii)....

Indian Army - West Bengal

39315428 bids are invited for veh spare parts clutch master cyl , rotary switch , gasket cyl head , rear view mirror lh , rear view mirror rh , hose assy air duct , cover assy clutch , disc clutch total quantity : 10...

Eastern Railways - West Bengal

39298583 auction sale of p.l.no.98057054.scrap melting gr d consisting of mio filter and air duct with or without rexine attached. qty 28.500mt.location [1] east of inner boundary wall & north of 40 ton weighbridge. [2]west of outer boundary wall & east of old 50 ton weighbridge. condition delivery will start from loc 1. after completion of delivery from loc 1 delivery will start from loc 2....

South Eastern Railways - West Bengal

39200185 auction sale of scrap & unserviceable condemned spares of emu / memu traction motor as such1 ) fan chamber 01no.2 ) tm fan 23 nos.3 ) end shield 03 nos.4 ) end plate 08 nos.5 ) ce cap 04 nos.6 ) pe wiper 05 nos.7 ) ce cap 05 nos.8 ) ce wiper 05 nos.9 ) ce cartridege 07 nos.10 ) air duct 03 nos.11 ) sleeve ring 11 nos.12 ) pe bearing 65 nos.13 ) ce bearing 71 nos.14 ) pinion 68 no....

University Of Calcutta - West Bengal

39102184 supply and installation of 2 nos. 1.5 tr. 5 star , 100 percent copper inverter a.c machines in the smart class room 2 nos. a.c with electrical wiring , installation of starter board etc. in the department of political science. , supply and commissioning of new 1.5 tr. split type inverter a.c , 100% copper , 5 star with remote room airconditioner machine , including necessary copper pipe with insuation& taping , electrical chord , 16a plug top ( crabtree ) , drain water pipe upto nearest drainage.all accessories as requiredfor completing the job. make daikin / carrier / voltas or equivalent make , supply & installation of angle iron platform for the installation of the out door units for 3 nos. split type machine along with the provision of working on the platform for future maintenance . , wiringfor a.c machines withfr pvc insulatedcopper wire ( finolex / havells ] in suitablesize pvcrigid conduit pipeincl. required accessories. 2 x 36 / 0.3 ( 2.5 sqmm ) + 1 x 22 / 0.3 ( 1.5 sqmm ) , supply & fixing 240 v, 25a modular type socket, 25 a, modular type starter ( crabtree ) with 25a modular switch dp mcb ( c curve ) and 6 module g.i modular type switch board with 6 module top cover plate on the wall incl. s&f switch board and cover plate and making necy. connections with pvc cu wire and earth continuty wire etc. , less: buy back of old a.c m / cneatly dismantle the following existing defunct old type floor mounted a.c m / c ( make blue star ) with g.i air duct cautiously dismantle and taken away.blank portion of the window to be covered properly....

Indian Army - West Bengal

39009288 bids are invited for mt head water filter , steering filter , fuel filter , fuel strainer , head light bulb 21w , bulb 24v 21w , clutch cyl rep kit , slave cyl rep kit , micro filter insert coil type , pre filter insert , brake light switch , air pressure pipe , oil seal gear box , combination switch , hose assy hyd pump to pull , clutch master cyl assy , hose air , hose assy air duct , braided hose for exh brake total quantity : 141...

South Eastern Railways - West Bengal

39005194 supply of set of socket counter sunk head cap screws , csk, for air duct bellow plate of wag9 / wap7 loco traction motor. one set consist of ( 1 ) m10x25mm 1 no / set. ( 2 ) m10x30mm 1 no / set. allen key size 6mm for all . material as per is1367 and properly class 12.9. make: tvs, vif, lps, dfl / unbrako, gkw, boltmaster ( or ) pfl makes only acceptable. ( as per clw item id: 2100679, hardware items ) note: firm must produce purchase proof of manufacture or his authorized dealer. [ warranty period: 30 months after the date of delivery ] ...

Eastern Railways - West Bengal

38951833 supply of air duct for traction motor type 253 bx, 4601 az of emu / memu. as per kpa drg. no. er / kpa / el tm. 2he.096 or m / s bhels drg no 14390237004v01. [ warranty period: 30 months after the date of delivery ] ...

Eastern Railways - West Bengal

38919919 auction sale of p.l.no.98057054. scrap melting gr d consisting of cutting sol bar, cutting outside panel, trough floor, under frame, plate cutting, angle cutting, pipe cutting, structure cutting, cut pieces of rod, damage emu door, wagon door bcn boxn, air duct, fan chamber, partition frame, cattle guard, ms base, expanded metal with pipe, ms door, iron window, ms rod , fire extinguisher, nut bolt, pin, angle frame with or without net, ms iron plate, angle, net box, ms j bracket of bio tank , fencing wire, fencing of tie bar, ms item in sorts , ms scrap etc. iron battery stand, mvrh & mvmt duct, and such materials fit for melting gr d except p way materials, rail, fish plate etc. qty 100mt. location west of nh 01 godown, east of outer boundary wall. condition cutting is allowed for loading purpose only....

Indian Army - West Bengal

38831254 bids are invited for mt spare part assy cable complete , pull cable accelerator , upper part ball socket , link rod , wiper timer 24 v , hose assy air duct , clutch master cyl total quantity : 9...

Eastern Railways - West Bengal

38689638 auction sale of p.l no.98057054. scrap melting gr d consisting of rusted and perforated pipe, plate cutting, fan guard, seat frame, corrugated sheet, empty drums attached with dry paint and camex compound, g.i. gutter, mio filter [with or without rexin attachment], air duct, fan chamber, main switch, revolving chair, trolley, almirah, net fencing, signal lamp and other rusted and perforated ferrous items attached with rubber/wood/rexin. all materials are badly damaged, highly rusted, pitted and in perforated condition. materials available in the lot are similar to ferrous junk kutchura, except p way materials, rail, fish plate etc. qty 60mt. location west of j.t. road, east of line no.3. condition cutting is allowed for loading purpose only....

South Eastern Railways - West Bengal

38456397 supply of cotton canvas for use in supply and return air duct in air conditioned coaches as per rdsos specn. no. rdso / pe / spec / ac / 0136 09 rev 0 width 36 inches. [ warranty period: 30 months after the date of delivery ] ...

Eastern Railways - West Bengal

38439673 supply of cover of mcp air duct of emu motor coaches as per kpa drg. no. er / kpa / el / cp4he4095 [ warranty period: 30 months after the date of delivery ] => limited...

Eastern Railways - West Bengal

38284047 auction sale of p.l.no.98057054. scrap melting gr d consisting of cutting sol bar, cutting outside panel, trough floor, under frame, plate cutting, angle cutting, pipe cutting, structure cutting, cut pieces of rod, damage emu door, wagon door bcn boxn, air duct, fan chamber, partition frame, cattle guard, ms base, expanded metal with pipe, ms door, iron window, ms rod , fire extinguisher, nut bolt, pin, angle frame with or without net, ms iron plate, angle, net box, ms j bracket of bio tank , fencing wire, fencing of tie bar, ms item in sorts , ms scrap rolling shutter etc. iron battery stand, mvrh & mvmt duct, and such materials fit for melting gr d except p way materials, rail, fish plate etc. qty 239mt. location ( i ) east of vm road in ncb 13. ( ii ) west of line no 4, south of link road. condition ( i ) cutting is allowed for loading purpose only. ( ii ) delivery will start from loc ( i ) . after completion of delivery from loc ( i ) delivery will start from loc ( ii ) ....

Eastern Railways - West Bengal

38284044 auction sale of p.l.no.98057054. scrap melting gr d consisting of cutting sol bar, cutting outside panel, trough floor, under frame, plate cutting, angle cutting, pipe cutting, structure cutting, cut pieces of rod, damage emu door, wagon door bcn boxn, air duct, fan chamber, partition frame, cattle guard, ms base, tap changer, tubular pole, expanded metal with pipe, ms door, iron window, ms rod , fire extinguisher, nut bolt, pin, angle frame with or without net, ms iron plate, angle, net box, commode chute iron bracket, ms j bracket of bio tank , fencing wire, fencing of tie bar, ms item in sorts , pump motor base plate, ms scrap rolling shutter etc. iron battery stand, silicon rectifier cubical ferrous naked body, mvrh & mvmt duct, and such materials fit for melting gr d except p way materials , rail, fish plate etc.qty 192mt. location south of 40 t weighbridge, west of 40 t weighbridge road. condition cutting is allowed for loading purpose only....

Eastern Railways - West Bengal

38139291 supply of cover of mcp air duct of emu motor coaches as per kpa drg. no. er / kpa / el / cp4he4095 [ warranty period: 30 months after the date of delivery ] => limited...

Eastern Railways - West Bengal

38053027 supply of 1 ) gasket for air duct to turbo charger as [ gasket for air duct to turbo charger as per emd part no. 40034637 alt nil or latest and dlw part no. 16170477. ] 2 ) gasket as per drg. no. 40028613 alt aa a [ gasket as per drg. no. 40028613 alt aa and dlw part no. 16170441. ] 3 ) gasket turbo charger mounting to emd par [ gasket turbo charger mounting to emd part no. 40040027 and dlw part no. 16170453 ] 4 ) gasket emd part no. 40040021 and dlw par [ gasket emd part no. 40040021 and dlw part no. 16170465. ] , gasket for air duct to turbo charger as per emd part no. 40034637 alt nil or latest and dlw part no. 16170477. [ warranty period: 30 months after the date of delivery ] , gasket as per drg. no. 40028613 alt aa and dlw part no. 16170441. [ warranty period: 30 months after the date of delivery ] , gasket turbo charger mounting to emd part no. 40040027 and dlw part no. 16170453 [ warranty period: 30 months after the date of delivery ] , gasket emd part no. 40040021 and dlw part no. 16170465. [ warranty period: 30 months after the date of delivery ] ...

West Bengal Power Development Corporation Limited - West Bengal

37887827 procurement of 8 mm thick plate for mill inlet hot air duct complete oh of u1 boiler, sgtpp procurement of 8 mm thick plate for mill inlet hot air duct complete oh of u1 boiler, sgtpp , procurement of 8 mm thick ms plate for repairing of mill inlet hot air duct and flue gas duct during upcoming overhauling job of u#1 boiler,sgtpp. , plate,ms,t8mm,is 2062,grade a # ( dimension: l 2500 mm & w 1250 mm make sail/tata/jindal/rinl )...

Public Works Department - West Bengal

37391648 repair and replacement of old damaged portion of air supply line and return air duct including allied insulation of the 340 tr central ac plant installed at the honble court no 16 of main building, high court calcutta....

Ministry Of Railways - West Bengal

37237669 bids are invited for services 1 traction motor dismantling 2 cleaning of traction motor frame scrubbing 3 end component fan chamber air duct bhrr dismantling cleaning checking with properly storing of cleaned components 4 scrapping of released materia...

Public Works Department - West Bengal

37216475 repair and replacement of old damaged portion of air supply line and return air duct including allied insulation of the 340 tr central ac plant installed at the honble court no 16 of main building, high court calcutta....

South Eastern Railways - West Bengal

36612004 supply of felt packing for tm tao659 air duct to clws drg. no. 05 / 4 / 54 / 59 ( alt. 2 ) . ( material shall be made as per latest spen. no. is:1719 / 2000, type medium firm ) . this is shelf life item. [ warranty period: 30 months after the date of delivery ] ...

Eastern Railways - West Bengal

36372822 auction sale of p.l.no.98057054. scrap melting gr d consisting of cutting sol bar, cutting outside panel, trough floor, under frame, plate cutting, angle cutting, pipe cutting, structure cutting, cut pieces of rod, damage emu door, wagone door, air duct, fan chamber, after cooler, olte rack, c.t box, mirror frame, window frame, partition frame, bottol holder, cattle guard, ms base, tap changer, tubular pole, expanded metal, vsb packing, ms door, iron window, ms rod , fire extinguisher, nut bolt, pin, angle frame with or without net, ms part of lamp cover, r.s. joist, ms iron plate, angle, net box, commode chute iron bracket, lhb type bio tank j bracket, fencing wire, fencing of tie bar, ms item in sorts , mvrh & mvmt duct, and such materials fit for melting gr d except p way materials , rail, fish plate etc.qty 221mt. location south of link road , east of j.t. road. condition cutting is allowed for loading purpose only....

West Bengal Power Development Corporation Limited - West Bengal

35974734 procurement of nozzle for secondary air in furnace for secondary air damper control for unit 1 overhauling, stage 1 ( 2x300 mw ) , procurement ofnozzle for secondary air in furnace for secondary air damper controlfor unit 1 overhauling, stage 1 ( 2x300 mw ) , nozzle for secondary air in furnace for secondary air duct ( moc : ss 310, as per sample. ) => limited...

Kolkata Municipal Corporation - West Bengal

35638756 restoration of electric furnace no. 7 along with gate lifting arrangement and replacement of damaged coils at shanagar burning ghat dismantling: dismantling of all damage fire bricks from thefurnace chamber such as 9 nos roast bricks. ash collection bricks ( m.k 16 to m.k 24 ) 9 sets angle or shaped bricks m.k 88 18 nos.m.k 100 4nos., m.k 101 4 nos refractory / side bricks m.k 27 18nos.m.k 29 18 nos through clearing of as collection chamber, air ducts byremoving the ash inside the furnished chamber for patch repairingpurpose 2 removing of stack: removing the broken bricks & all rubbishesto outside crematory / dumping ground incl. loading, unloading, stacking & cost for transportation during patch repairing purpose. 3 patch work with bricks: roast bricks 4 patch work with bricks: ash bricks ( m.k. 16 to m.k. 24 ) 5 patch work with bricks:angle bricks m.k 88 6 patch work with bricks: angle bricks m.k 100 4nos 7 patch work with bricks: angle bricks m.k...101 4nos 8 patch work with bricks: side bricks m.k 27 9 patch work with bricks: side bricks m.k 29 10 patch work with bricks: good quality fire clay mortar washingof the entire chamber with sodium siliminate clay should benecessary 11 alter ( with bricks m.k.92 ) : construction of alter in front offurnace chamber flash to furnace door inside with m.k ...92 fire brickswith good quality fire clay mortar 12 blanket for furnace door : construction of door blanket with2 layers of ceramic blanket of density 96kg / cm... with 2 layers ofceramic blaket of density 128 kg / cm... and to be fitted in the spikeswith s.s.pin so as the blanket does not came out. 13 palmer blocks: a ) supply and fixing the c.i palmer block of shaftsize 62.5 mm dia. ( skf make 14 cleaning and repairing of fuel duct passage:removing the complete damaged r.s bricks and r.s slab of the ( u.g ) duct passage of the furnace chamber and thorough cleaning ofthe duct passage upto the start of brick build chimney by removingash / carbon particles and relining the same with r.s slabs & r.sbricks after mending good damages in the duct passages with insulation brick and red brick ( 1:4 ) with all necessary cementingmasonry work 15 cleaning and repairing of fuel duct passage: supply &fixing of r.s. slab after removing the same with necessary fire claymortar. 16 heating element: supply and fixing the heating element ( heatcomake ) of capacity 4.5 k.w to be working in supply voltage of 240 v50 hz made from 80 / 20 nicrome wire of 8 swg in coiled coil fromwelded s.s stud on both ends. the coil should be inserted into thegroove of existing coil brick after proper cleaning and the s.s studshoused into the ceramic caller tube wrapped. with asbestos rope fortight fitting and sealing as heat proof extended s.s stud to beconnected brass / copper connector with complete connection in allrespect of existing system. 17 heating element: supplying and fixing the terminal connectorhaving drill holes for inserting s.s stud of 8.5 mm dia and connectionpoint of existing copper wires of overall dimension 80mm long x25mmsquare shape. 18 thermocouple: a ) supply and fixing the thermocouple of heatsensing range 0 1200 deg. c having ( cr a1 ) sensor house in s. sd304 casing of dimension 1200 mm long x 22 mm od completeencased in to it and fitted terminal on other end for connection ofcompensating wire. heatco make 19 front cover of furnace door: supplying and fixing the newcover made of from 3.15 mm ( 10 swg ) crca sheet over alldimension 2400 mm x 1200mm with top arched shape as per existingdrill holes for fixing over the furnace door in two halves. l.h side 20 front cover of furnace door: supplying and fixing the newcover made of from 3.15 mm ( 10 swg ) crca sheet over alldimension 2400 mm x 1200mm with top arched shape as per existingdrill holes for fixing over the furnace door in two halves. r.h side 21 back cover of furnace door: supplying and fixing the newcover made of from 3.15 mm ( 10 swg ) crca sheet over alldimension 2400 mm x 1200mm with top arched shape as per existingdrill holes for fixing over the furnace door in two halves. l.h side 22 back cover of furnace door: supplying and fixing the newcover made of from 3.15 mm ( 10 swg ) crca sheet over alldimension 2400 mm x 1200mm with top arched shape as per existingdrill holes for fixing over the furnace door in two halves. r.h side 23 building works ( f ) structural steel works, grills, gates etc. a. original works 1. m.s. structural works incolumns, beams etc. with simple rolled structural members ( e.g.joists, angle, channel sections conforming to is: 226, is: 808 & sp ( 6 ) 1964 connected to one another with bracket, gussets, cleats asper design, direction of engineer incharge complete including cuttingto requisite shape and length, fabrication with necessary bolting, metalarc welding conforming to is: 816 1969 & is: 1995 using electrodesof approved make and brand conforming to is:814 2004, haulage, hoisting and erection all complete. the rate includes the cost of rolledsteel section, consumables such as electrodes, gas and hire chargeof all tools and plants and labour required for the work including allincidental chages such as electricity charges, labour insurancecharges etc. payment to be made on the basis of calculated weight ofstructural members only in finished work as per is specified weight.payment for gusset, bracket, cleat, rivets, bolts and nuts may bemake by adding the actual weight of such items with the weight offinished structural members or 7% of weight for finished structuralmembers weighing not less than 22.5 kg. / m. or 15 % of weight forfinished structal members weighing less than 22.5 kg. / m. may beincreased allow for bracket, cleat, rivet, bolts and nuts etc. and noseperate payment being made for these items, as per direction ofengineer in charge. the rates are considered for a height of erection8m. / 2nd floor level from the ground. add 1.5% extra over the rate foreach additional floor or 4m. beyond initiial 8m. or part thereof. i ) forstructural members of specified sections weighing less than 22.5kg. / m...

Indian Army - West Bengal

35634169 tender for supply of spare parts for scania vehicle spare parts for scania vehs , gasket part no 378212 , o ring part no 810965 , protection cap part no 218289 , vent case part no 218288 , lamp holder part no 310767 , o ring part no 810970 , air duct left part no 195669 , air duct right part no 257104 , bearing holder part no 274717 , vibration damper part no 192674 => limited...

Eastern Railways - West Bengal

35609068 auction sale of p.l.no.98057054. scrap melting gr d consisting of cutting sol bar, cutting outside panel, trough floor, under frame, plate cutting, angle cutting, pipe cutting, structure cutting, cut pieces of rod, damage emu door, wagon door, air duct, fan chamber, partition frame, cattle guard, ms base, tap changer, tubular pole, expanded metal with pipe, ms door, iron window, ms rod , fire extinguisher co2 gas cartridge, nut bolt, pin, angle frame with or without net, ms part of lamp cover, r.s. joist, ms iron plate, angle, net box, commode chute iron bracket, lhb type bio tank j bracket, fencing wire, fencing of tie bar, ms item in sorts , mvrh, tmb, mrb, ocb, mvmt & tms duct, spare ferrous part of aux. motor tr,pfd head light, capacitor of battery charger of emu/memu m/c (attached with negligible amount of non ferrous) and such materials fit for melting gr d except p way materials , rail, fish plate etc. qty 194mt. location west of 40 ton weighbridge, east of inner boundary wall. condition cutting is allowed for loading purpose only....

Indian Army - West Bengal

35563509 supply of spare parts for scania vehs 1 cover part no 243796 2 bracket part no 291304 3 air duct left part no 195669 4 air duct right part no 257104 5 cover part no 310518 6 housing part no 218454 => limited...

Jadavpur University - West Bengal

35510606 design fabrication supply installation testing commissioning and handing over of air conditioning system after dismantling and taking away buy back of existing air conditioning system at gandhi bhavan design fabrication supply installation testing commissioning and handing over of air conditioning system after dismantling and taking away buy back of existing air conditioning system at gandhi bhavan , the bidder must quote, considering that detailed design & engineering, preparation of drawings, support for comprehensive service drawings, obtaining statutory and clients approval, preparation of as built drawings and the like is part of the scope of work in addition to supply, installation, testing and commissioning.the quoted rates shall be exclusive gst which shall be shown separately , part a supply, installation, testing and commissining of , horizontal floor mounted double skin air handling unit in draw through configuration with 50mm thick sandwich insulated panels with cfc free polyurethane foam 40±2 kg / cumtr injected between outer skin of 0.6mm precoated gss and inner skin of 0.6mm thick plain gss and extruded aluminium frame structure with thermal brake profile and comprising of the following sections air intake section with access door and dampers in extruded aluminium construction for return air and fresh air filter section with combination filter of rating g4 and f6 mounted on a common frame cooling coil section with 6r deep / 12 fpi dx type cooling coil in four sections with suitable distributor and 18swg ss drain pan insulated with 9mm thick elastomeric nitrile insulation blower section with didw centrifugal fan with forward curved impeller, tefc squirrel cage induction motor, v belt drive package mounted on a common base frame with anti vibration mounts ad fire retardant flexible connection. suitable access door with limit switch and marine light should be provided in blower section. fan shall be vertical top discharge. the air handling unit shall be provided with supply air damper in extruded aluminium construction supply air 12000cfm external sp 25mm wc fresh air cfm 1700cfm return air cfm 10300 cfm total capacity 40tr (4 sections of 10tr each) face velocity of filters and cooling coil shall be restricted to 500fm max (2.54m/sec) fan should be selected for an outlet velocity not exceeding 10.2m/sec , air cooled outdoor condensing unit suitable for 415v ± 10%, 50hz ± 5%, 3ø ac power suply, complete with hermetically sealed type scroll compressor for r410a refrigerant, drive motor, air cooled condenser with protective coating and propeller type fan with motor and other standard accessories, housed in compact powder coated sheet metal enclosure nominal capacity 11tr , microprocessor controller suitable to control four numbers condensing units having fault display, run time equaliser, touch key switch, time delay for compressor, temperature control etc , insulation of refrigerant piping can be of elastomeric class o nitrile rubber tubing of specified thickness covered with glass cloth at site for mechanical protection. , suction line 1.1/8 / 28.57mm od with 19mm thick tubing insulation , liquid line 1/2 / 12.7 mm od with 13mm thick insulation , 14swg perforated gss cable tray for laying of refrigrant piping , condensing unit accessories for 11tr units like drier, hand shutoff valvs, thermostatic expansion valves etc. required to make the circuit complete , ductable split air conditioner units with air cooled outdoor condensing unit suitable for 415v ± 10%, 50hz ± 5%, 3ø ac power suply, complete with hermetically sealed type scroll compressor for r410 refrigerant, drive motor, air cooled condenser with protective coating and propeller type fan with motor and other standard accessories, housed in compact powder coated sheet metal enclosure and ceiling suspended indoor unit in powder coated construction complete with non wovn polyester media air filter enclosed in hdpe mesh, dx type cooling coil, condensat drain pan, didw centrifugal fan with forward curved impeller and drive motor complete all necessary accessories like microporocessr based controller with led display, contactor for compressor, capacitor for outdoor fan, single phase preventor, safety pressure switch, crank case heater, thermostatic expansion valve, drier, shut off valve etc nominal capacity 8.5tr , air flow 3400cfm , inter connecting refrigerant piping between outdoor unit and indoor unit with 20swg thick hard drawn copper seamless pipes and fittings and insulated with factory laminated glass cloth coated elastomeric nitrile insulation 19mm / 13mm thick , suction line 7/8 / 22.2mm od with 19mm thick tubing insulation , liquid line 3/8 / 9.5 mm od with 13mm thick insulation , 14swg perforated gss cable tray for laying of refrigrant piping , double skin supply air plenum in 25mm sandwich insulated construction with extruded aluminium frame structure and 25mm polyurethane foam density 40 ± 2 kg/cumtr injected between outer skin of 0.6mm pre coated gss and inner skin of 0.6mm plain gss, plenum dimension will be 1850w x 650h x 450mm d. plenum will be provided with 3nos jet nozzles, suitable to handle total of 3400cfm flushed with it. , double skin return air plenum in 25mm sandwich insulated construction with extruded aluminium frame structure and 25mm polyurethane foam density 40 ± 2 kg/cumtr injected between outer skin of 0.6mm pre coated gss and inner skin of 0.6mm plain gss, plenum dimension will be 1850w x 650h x 350mm d. plenum will be provided with a return air grill of suitable size. suitable access door shall be provided for attending to inddor unit filter. , ceiling susension arrangement for indoor unit and plenums with necessary gi suspendors and slotted channels etc. , acoustic insulation of ahu room wall between auditorium and ahu room with fiber free open cell nitrile rubber foam density 140 180 kg/cumtr 15mm thick, stuck to the wall with manufacturer recommended adhesive. all longitudinal and transverse joints shal be sealed with 50mm wide 22swg gi strips fixed with screws , acoustic insulation of supply air duct from inside with fiber free open cell nitrile rubber foam density 140 180 kg/cumtr 15mm thick, stuck to the wall with manufacturer recommended adhesive , thermal insulation of suply air ducting with 19mm thick closed cell elastomeric nitrile rubber insulation with factory backed aluminium foil one one side fixed to ducting by manufacturer recommended adhesive. maximum thermal conductivity of the insulation material shall be 0.035 wa/ (m k) , gi volume control damper within ducts to be provided with suitable links, levers and quadrants for manual control of volume of air flow and for proper balancing of the air distribution system as per direction of eic complete with locking arrangement , motorized fire damper of 90 mins fire rating as per specification with limit switch, actuator, some & fire sensor controller , fire damper , spring return type actuator suitable for 230v ac power supply for above , limit switch for above , control panel for above , gss sheet metal rectangular ducting as per specification complete with accessories as specified , 24 g gi sheets , 22 g gi sheets , 20 g gi sheets , gi fresh air intake louvers with bird/insect screen and gi volume control damper size 750mm x 600mm , extruded aluminium powder coated fixed bar supply air grille with removable core and integral extruded aluminium black volume control dampers , extruded aluminium powder coated fixed bar return air grille without volume control dampers , condensate drain water piping with cpvc pipes, rated for 6kg/cm2 as insulated with 6mm thick elastomeric nitrile insulation from respective air handling units to nearest floor drain point 40 mm dia , ms structural base for placement of outdoor condensing units duly painted with two coats of zinc rich primer followed by two coats of synthetic enamel paint , floor / wall mounted top connection cubicle type indoor compartmentalized 415v., 50 hz. dust & moisture proof lt distribution panel board with following electrical accessories fabricated from 14 swg crca sheet with ms angle frame as requried. . the panel should have adequate strength & space to accommodate the incoming & outgoing switches and bus bars with all interconnection in between the switches and bus bars with copper flat / flexible wire of suitable capacity. the panel should be provided with cable alley for facilitating connection of all the incoming & outgoing frls cables with termination arrangement by s&f copper terminal stud / bolt of required sizes. the panel board should consist with the followings: (a) incomer: a) 415v., 250 amp. 36 ka 4 pole mccb with thermal magnetic release , 1 no. (b) busbar chamber: 200 amp capacity 99.9% 99.5% electrolytic tinned copper 4 bar bus bar mounted on non hygroscopic porcelain insulator / hylam sheet having sufficient di electric strength duly wrapped with colour pvc tapes (red, yellow, blue & black) for phases & neutral identification & all connection made with required size cu bars 1set. (c) outgoing: a) 415v., 40amp. 36 ka 4 pole mccb with thermal magnetic release, 4 nos. for condensing units b) 415v., suitable rating of mccb, suitable rating fasd starter for operation of ahu motor with over load relay, inbuilt single phasing protection, on & off switch and outgoing feeder to air handling unit motor. the compartment shall contain an indicating lamp for ‘on’ & off status 4 nos c) 16amps 230v mcb feeder 1 no (spare) (d) metering: (a) 500v., c.t. coil (c.t. ratio 200/5a.) 1 nos. (b) led indicator lamps 03 nos. (c) panel mounted digital voltmeter in 96x96 mm² (ae/ hpl) [0 500 volt] 01 no. (d) panel mounted digital ammeter in 96x96 mm² [0 200 amp.] 01 no. (e) danger board 01 no. , power and control cabling between panel and drives with pvc armoured, pvc sheathed 1100v frls cables with copper conductor as per is 1225 complete with end terminations with doube compression cable glands laid on 14swg perforated gss cable trays , 4c x 10 sqmm copper conductor , 3c x 6 sqmm copper conductor , 7c x 1.5 sqmm copper conductor , 4c x 1.5 sqmm copper conductor , 2c x 1.5 sqmm copper conductor , earthing between equipment and panel with 4sqmm x 1c copper cable (unarmoured green) , first charge of refrigerant r410a for the complete installation commissioning, balancing and performance testing of the complete installation , part b all inclusive annual maintenance contract charges for 3 years after defects liability period , 1st year after dlp , 2nd year after dlp , 3rd year after dlp , part c buy back for the existing air conditioning system , dismantling, removal and disposal of the existing air conditioning system...

Indian Army - West Bengal

35373969 tender for supply of spare parts for scania vehicle solenoid valve part no 1115802 ( 350127 ) , bolt m8 x 22 part no 808295 , bolt rx6 x 10 part no 805954 , bushing part no 202591 , screw ( bolt ) m8 x 22 part no 808295 , screw m8 x22 part no 808295 , shim 0, 5 mm part no 214483 , air duct left part no 195669 , air duct right part no 257104 , bezel h part no 291245 , bezel v part no 285082 , ) blade wind shield wiper ( 251840 ) part no 2540009447 ( 1105173 , brake shoe part no 265524 , cabin light part no 287161 , cap part no 169136 , cover part no 310518 , dust cover part no 190335 , filler cap part no 1122696 ( 361692 ) , fuel gauge part no 242856 , gasket part no 387305 , gasket part no 387273 ( 244244 ) , gasket part no 387236 , gasket part no 5330384603 ( 387210 ) , gasket kit part no 1105809 , handle part no 305176 , handle part no 285075 , hose part no 283136 , hose part no 297407 , hose part no 391459 , hose part no 388014 , hose clamp part no 796355 , hose, return part no 391724 , link head part no 395704 , lock strap part no 169797 , lock strip part no 256704 , magnetic valve part no 303470 , moulding l=1400 part no 285091 , moulding l=4230 part no 562761 , mud guard part no 258628 , mud guard part no 260641 => limited...

Indian Army - West Bengal

35354560 supply of spare parts for scania vehs , pin part no 268286 , relay part no 371912 , power steering gear part no 389373 , regul. valve, front part no 390485 , regul. valve, rear part no 390487 , air duct left part no 195669 , air duct right part no 257104 , plate level contr gear box part no 397854 , seal ring part no 195860 , lock part no 256820 , lock washer part no 335542 , repair kit part no 263664 , seal ring part no 259840 => limited...

Indian Army - West Bengal

35353153 supply of spare parts for scania vehicle , switch vent fan part no 245990 , temperature monitor part no 334383 , water temp monitor part no 371081 , air duct left part no 195669 , air duct right part no 257104 , ball part no 236177 , bezel h part no 291245 , bezel v part no 285082 , brake shoe part no 265524 , cabin light part no 287161 , cap part no 169136 , clamp part no 310381 , cover part no 310518 , drive shaft part no 214716 , dust cover part no 190335 , earth cable 430 mm part no 308080 , earth cable 930 mm part no 273261 , filler cap part no 1122696 ( 361692 ) => limited...

Indian Army - West Bengal

35353074 supply of spare parts for scania vehicle , cover part no 243796 , bracket part no 291304 , air duct left part no 195669 , air duct right part no 257104 , cover part no 310518 , housing part no 218454 => limited...

New Town Kolkata Development Authority - West Bengal

35241672 procurement of interior furniture and other allied items as per requirement for uphc under nkda near business club. procurem ent of interior furniture and other allied items as per requirement for uphc under nkda near business club. , supply , fitting & fixing ofiso 9001:2015, iso 14001, ohsas 18000, bifma, aiota, greenguard certified manufacturer godrej make flip tbl pu 1200w_600d ral wh as per following specification. table top: table top is made of 25mm thk .mdf osr .osr board ( bottom side in white collar ) as per is: 12406 which is having two finish options. option i: pu coated on top side with the colour options as per colour chart. under structure legs are made by welding the combination of m.s.e.r w. round tube 63.5x2mmthk of is: 7138, flanges made of crca sheet. of 1.6mm thk and 1.2mm thk ) of is513.inside plates made of hr 5mm thk sheet ( is:2062 ) . assembly in epoxy polyester powder coated ( min40micron ) . table top folds upside at offset centre pivot provide on support bracket which is aluminium alloy ( adc12 ) pressure die cast coated with epoxy polyester powder coated ( min 40 micron ) table top connected with spring loaded mechanism with full handle made of sandwich tubes of m.s.e.r.w. 16*1.2mm thk. and 12.7*1.6mm thk. tube of is7138.coated with epoxy polyester powder coated ( min40micron ) .to operate table top legs are provided with casters of 65mm lockable type for ease of movement and can be locked when required at any positions. as per direction of engineer in charge. , supply , fitting & fixing ofiso 9001:2015, iso 14001, ohsas 18000, bifma, aiota, greenguard certified manufacturer godrej make cross chair with headrest as per following specification. . seat / back assembly: the seat is made up of 1.2 + 01cm thk hot pressed plywood measured as per qa method described in ocp qlta pl14 18 the back is made up of injection moulded glass filled nylon & upholstered using micro mesh fabric with high tenacityyarn with 28 density foam sandwich in lumbar area. seat size ( larger seat depth ) : 47.0 cm. ( w ) x 51.5 cm ( d ) . back size : 45.0 cm. ” ( w ) x 65.3 cm. ( h ) high resilience ( hr ) polyurethane foam the hr poly methane seat foam is moulded with density 45+ / 2 kg / m and hardness 16 + 2 kgf as per is:7888 for 25% compression. armrests : the adjustable armrest is designed with the foliowingfeatures. up down adjustment— 8 steps ( 8.0+0.scm range ) . height adjustable armrest structure which is powder coated & fitted with an armrest top. fixed armrest top is pu moulded over metal insert. lumbar support assembly: the lumbar support consists of polypropylene pad the height of lumbar pad can be adjusted through two projecting knobs provided on the rear side of the pad lumbar pad has an adjustment of 8 0 + 0.5 cm in height.front pivot synchro mechanism: the adjustable tilting mechanism is designed with the following features. 360° revolving type. single point control. front pivot for tilt with feet resting on ground ensuring more comfort. tilt tension adjustment. 4 position locking with anti shock feature. seat / back tilting ratio of 1:2. neckrest . the neckrest assembly consist of polypropylène pad with moulded polyurethane foam & covered with polyester fabric. neckrest is fixed to back assembly through neckrest connector. neckrest assembly has height adjustment of 4.2 + 0 5 cm and rotation adjustment of overall 76”+ 2 . the complète neckrest assembly is retro ut to the main chair. pneumatic heigmt adjustmentt: tne pneumatic height adjustment has an adjustment stroke of 10.0+ 0.3 cm. pedestal assembly: the pedestal is injection moulded in black 3g% glass filled nylons and fitted with 5 nos. twin wheel castors. the pedestal pitch center dia is 66.1 + 0.5 cm ( 76.1 + 1.0 cm. with castors ) . twin wheel castors: the twin wheel castors are injection moulded in black nylon as per direction of engineer in charge. , supply , fitting & fixing ofiso 9001:2015, iso 14001, ohsas 18000, bifma, aiota, greenguard certified manufacturer godrej make height adjustable ss top round stool as per following specification. overall dimension: overall sizes diagonal legdia 538 mmh470 min 655max top plate should made of ss 202 made sheet with spin section of thickness 1mm & should be non corrosive. it should have a diameter of 305mm, seat base should made of ms ring and rectangular tube. en8 screw having dia of 22 mm should be used for height adjustment of the seat base. the round hub should be made of ms erw tube having dia of 38mm and thickness 2 mm.the hub should be welded with the legs and it should accommodate and cover the lead screw mechanism.the understructure should consist of 4 legs made up ofms erw tube of diameter 25.4 mm and 1.6mm thick. the press formed pipe leg should give a round & clean look. all the legs should be provided with 4 nos of nylon 6 bush. all metal componentsshould be pre treated with zinc phosphating in 9 tank porcess and then powder coated with anti microbialepoxy polyster powder coatingto fulfill the requirements for bacterial protection against at least 2 commonly found bacteria in hospital environment [ gram positive and gram negative ] . safe working load must be 135kg as per direction of engineer in charge , supply , fitting & fixing ofiso 9001:2015, iso 14001, ohsas 18000, bifma, aiota, greenguard certified manufacturer godrej make examination table on ratchet with no storage as per following specification. overall dimension of l 1835 xw600 h 850 mm. the backrest should have ratchet mechanism for tilting the backrest. leg frames & intermediate frames should be made of erw tubes having section of 30 x 30 square tubes with thickness of 1.6mm. nylon 6 leg shoes should be given to avoid wear & tear. ms sheet metal lying surface of thickness 1.2mm should be used. top sheet metal panel base frame of 25 x 25 erw square tubes of thickness 1.6mm should be used. ratchet should be made of ms strip with section 40 x 4 to provide the backrest tilt. anti microbial thermosetting epoxy powder coating should be used to fulfill the requirements of bacterial protection. all ms part should be powder coated with ral white color & all plastic parts in grey. safe working load must be 135kg as per direction of engineer in charge. , supply , fitting & fixing ofiso 9001:2015, iso 14001, ohsas 18000, bifma, aiota, greenguard certified manufacturer godrej make examination table on ratchet mattress 30 mm as per following specification.providing and supplying examination table on ratchet mattress 30 mm the bed should be provided with 40 density 30mm thick pu foam mattress which should be covered by heavy helium material which is water proof, flame retardant, vapour & x ray permeable. the zip & stiches for the mattress cover should be concealed. the mattress foam and cover to be divided in 2 sectionsthe manufacturer should compilant with iso 9001, 14001, 13485 & ohsas 1800 and ce certification.the work shall be carried as per the instructions of engineer in charge. , supply , fitting & fixing ofiso 9001:2015, iso 14001, ohsas 18000, bifma, aiota, greenguard certified manufacturer godrej make double foot step as per following specification. overall dimension should be 665 mm ( l ) x 485 mm ( w ) x 393 mm ( h ) . understructure frame should be made of 19 mm x 19 mm and 1.2 mm thick vertical tubes. the stool top should be made of 1.2 mm thick . the step top should have 3.2 mm thick rubber sheet to have better grip. load bearing capacity should e 135 kg. all tehmetal parts are pre treated and powder coated with epoxy polyester powder coating as per direction of engineer in charge. , supply, installation and placement of mac curtain track ivory ( japan ) with d décor curtain editors choice warm hues 669 supply and installation of track curtain manual with 50% blackout linning for french window with brackets and necessary fittings: curtain made with sophisticated high quality designer approved fabrics of skipper with high quality stitching & imported quality tape with four side stitching, without out linning , min six inch at bottom, one inch at two sides and three pleated style stitching with stiff good quality buckram of min. four inch which will be covered with above fabric at upper portion of the curtain, the skipper curtain tape will be stitched at the back side at desired / required position and high quality of pvc s clip along with designer belt etc. the curtain will be hanging from 28 mm dia , 1.6 mm thick corrugated aluminiumwith special finished powder coated coloured section , modular machine finished ethnic look pvc finials. curtain stitch make skipper furnishing or equivalant as per direction of engineer in charge. , supply , fitting & fixing ofiso 9001:2015, iso 14001, ohsas 18000, bifma, aiota, greenguard certified manufacturer godrej make matrix 3 str , comm arm with cushion as per following specification. the seat shell should bea welded assembly of seat, back and side frame. the seat and back should bemade of 0.12±0.013cm thk cr steel sheet with oblong perforations.they should bewelded to sideframe of size 3.2±0.05cm x 0.5 ± 0.05 cm thk hr steel.the welded assembly should bepowder coated ( dft 40 60 microns ) . the seat has a front water fall edge to provide popliteal clearance for comfortable seating. it also has a buttock support curve that not only provides rear support but also prevents small children from falling through the gap between seat and back. clean and flat surfaces of seat and back aids in easy maintenance. * seat size : 47.8 cm ( w ) x 44.6 cm ( d ) * back size : 41.6 cm ( w ) x 23.0 cm ( h ) understructure assembly consshould be ts of connecting beam and leg assembly made of m.s. e.r.w. oblong tube of size 7.5±0.03cm x 2.5±0.03cm x 0.2±0.016cm thk.the welded structure assembly should bepowder coated ( dft 40 60 microns ) .the leg assembly should befitted with shoes and levellers in nylon. the leg structure should bedesigned with minimal should be a of contact close to ground providing easy access for cleaning purposes. the shoes fitted to leg assembly help in aligning the structure for back to back arrangements. levellers take cshould beof uneven flooring.connecting beam should befitted with snap locking end cap.lt also aids in side by side understructure alignment . armrest assembly consshould be ts of armrest frame and armrest pad . the armrest frame should bemade up of size 3.175±0.05cm x 0.47±0.027cm thk hr steel and it should bepowder coated ( dft 40 60 microns ) . armrest pad should beinjection molded in nylon and should befitted onto the armrest frame. the cushions for seat and back should bemade up of 1.5 ± 0.1 cm thk foam on a flat mr grade ply 0.8±0.04cm thk and should beupholstered with leatherite. overall dimensions of chair: seat height 44.1 cm, height 78.5 cm, width & depth of chair as width 169.5cm and depth 63.8 cm as per direction of engineer in charge. , supply , fitting & fixing ofiso 9001:2015, iso 14001, ohsas 18000, bifma, aiota, greenguard certified manufacturer godrej make vsdu 8 as per following specification. overall dimensions of vsdu 8 shall be 900mm ( w ) x450mm ( d ) x 1830mm ( h ) . the top shall be metal top ( 1 mm add in unit height ) .the rigid knock down construction , back , sides and door shall be made from 0.7 mm high yield strength crca , rest in 0.8 mm crca . crca d grade as per is 513 . sliding door arrangement shall have sliding door wth top hanging arrangement to prevent derailment . each door shall be provided with 2 plastic roller having steel ball bearing for smooth movement of door & less noise .vsdu 8 shall have glass door for visibility of the content . locking shall be 5 lever cam lock for safe locking . handle shall be plastic flush & recessed handle . shelving shall have height wise adjustable shelf mounting . uniformly distributed load capacity of the shelf is 40 kg maximum . vsdu 8shall have 4 no. of adjustable full shelves . accessories optional shall be cradle with pipes for hanging godrej instadex files . leveler shall be screw type leveler with hex plastic base and overall finish shall be epoxy polyester coated to the thickness of 50 microns . for vsdu 8 a4 size box file can be stored vertically on four shelves and clear space above fifth shelf is 220 mm as per direction of engineer in charge. , supply , fitting & fixing ofiso 9001:2015, iso 14001, ohsas 18000, bifma, aiota, greenguard certified manufacturer godrej make wallside lab table with electrical trunking, wash besin, understorage & overhead storage unitas per following specification.d frame system: all d frames assemblies should be manufactured from standard hollow metal sections; confirming to i.s. code 7138:1973 ( indian standard specification for steel tubes for furniture ) and all sheet metal components should be of crca confirming to is code 513:1994. the suspended under bench welded units should be supported on heavy duty steel frames fully carrying the load of worktops. its superior strength combined with aesthetically appealing end caps shall give maximum flexibility and modularity while making a layout. d frame should be constructed from a square pipe with a cross section of 30mm x 30mm and should be a minimum 1.6 mm thick. the d frame legs should be supplied with adjustable levelling screw ( m 10 levelers of nylon + ms, tolerance from 5mm to +15mm ) to correct the unevenness of flooring. the tubular enclosed type construction shall discourage dust accumulation and unwanted development of bacteria & fungus. drainage gradient should be well adjusted throughout the length of table and should have horizontal supports for drainage systems.it should be suitable for sitting and standing nominal heights of 750mm & 900mm respectively. the nominal table depths should be 450mm, 600mm, 750 mm for wall side and 1050mm, 1200mm, 1500mm for island tables. the corner units shall fit well with 750mm & 900mm table depths. all frame work is should be pre treated with superior pure epoxy powder coated finish. the d frames structure should be for suspended storage cabinets. horizontal members: these should be made from square pipes of 1.6 mm thickness. cross sectional dimensions of the pipe should be 30 x 30mm with a minimum of 1.6 mm. they should be made of crca ms and coated with pure epoxy powder. these connect two d frames together as shown using c clamps / u clamps. together with the d frames and horizontal members connected together, the skeletal structure of the workbench is formed on which the worktop can be placed and the hanging type storage cabinets can be suspended. horizontal members determine the width of the lab workbench as they form the member ( distance ) between two adjacent d frames. cover panels: all leg space panels, rear cover panels, island side panels etc. should be made from crca ms panels of minimum 0.8mm thickness with pure epoxy powder coating. welded under bench storage cabinets: under bench cabinets are to be pure epoxy powder coated with thickness of 40 60 microns and should be suspended from tubular structure. the cabinet should , supply , fitting & fixing ofiso 9001:2015, iso 14001, ohsas 18000, bifma, aiota, greenguard certified manufacturer godrej make enterprise 1200 as per following specification. enterprise 1200 table without cpu hanger size shall be1200width mmx 600depth mmx 728 height mm. top shall be18 mm thick pre laminated particle board all work surface edges shall be having duly sealed with 2 mm thick pvc edgebanding. understructure modesty panel 18 mm thick pre laminated particle board . the rectangular frame shall be fabricated component in 1.2 mm thick crca , finish : powder coat ( epoxy polyster ) . leg shall be fabricated component in 38 mm x 25 mm 1.2 mm thick ms erw atube , finish powder coat ( epoxy polyster ) .the plastic cap for cable travel shall be injection moulded polypropylene and leveler glide for shall be nylon 6 & ms bolt. the storage shall be having shell and drawer tray 0.6 mm thick crca finish powder coat ( epoxy polyster ) plus the drawer front shall be 0.8mm thick crca finish powder coat ( epoxy polyster ) plus lock with 10 lever and handle and leveller. the wire management shall be horizontal wire carrier 0.7 mm thick crca finish powder coat ( epoxy polyster ) and vertical wire carrier 0.8 mm thick crca finish powder coat ( epoxy polyster ) as per direction of engineer in charge. , supply , fitting & fixing ofiso 9001:2015, iso 14001, ohsas 18000, bifma, aiota, greenguard certified manufacturer godrej make slotted angle rack as per following specification.slotted angle rack providing & supplying of slotted angle racking systems are the most versatile of all storage systems commerci ally available. the flexibility offered by this type of storage system is unparallel and can meet a wide variety of storage requirements. slotted angle systems can be custom assembled for any storage requirement and can be dismantled in no time for reassembly somewhere else. the scalability of the system is very high that a two tier or even three tire systems can be made out of this basic components. any typical slotted angle racking system consists of the following components. a ) angles b ) panels c ) corner plates d ) fasteners ( nuts & bolts ) 1. angles :material specifications of angles & straps are is: 5986 ( st 42 ) . the length of the angles shall correspond to the height of the rack. overall unit dimension of 1800h x 450d x 900w, the thickness of the angles when made from sheet steel are not less than 1.6 mm. angles are of rolled formed construction to ensure minimal residual stresses and accuracy throughout the length of the angles. the angles are free from twist, sharp edges and burrs.angles are provided with holes at a pitch of 19.05 mm. the holes starts from 19 mm center from each edge.straps are used for stability of the racks and the system. they are provided as required by the design of the system. sheets not less than 1.0 mm in thickness as the application warrants. panels are provided with lipped flanges. width of the flange being 31 mm and depth of lip 17 mm. panels are provided with 9 mm holes on the flange for corner plates, cladding sheets and for fitting to the angles. 3. corner plates ( gussets ) :material specifications of corner plates are is : 513 d. adequate numbers of corner plates are fitted to the rack to impart stability to the system. corner plates are made of 1.60 mm thick mild steel sheet and provided with black powder coated finish. 4. nuts & bolts : all fasteners like nuts, bolts, clips etc. are supplied in galvanised condition for protection against environment and corrosion 5. design of components :the components are designed with a minimum factor of safety of 1.67 with respect to yield stress inaccordance with is : 800 & is : 801. 6. pre treatment : all components of the system are supplied duly finished with epoxy polyester powder coating after doing the surface treatment of all the items by using pre treatment method as mentioned below. 6.1. pre treatment : all of the above mentioned processes are interspersed with rinsing with water of appropriate temperature. 6.2. degreasing : degreasing is carried out with the help of a two step chemical process within controlled temperatures. 6.3. the degreasing conform to the requirements of is : 3194 / 6005 – 1980.6.4. phospha ting : phosphating is carried out by using nipaphose 3456 additives within a controlled temperature. this process is carried out as per is : 6005 and is : 3618 class d.6.5. after phosphating, cold water rinse is done using two different tanks and one final rinse is done with de mineralised water to remove all traces of retained chemicals. 6.6. dry off oven treatment :the material will be dried up using drying oven at an air temperature of 125 deg c. 7. final finish :7.1. epoxy polyester powder coating of approved colour and shade is applied to all components with an average dry film thickness not less than 35 microns.7.2. the material components are oven baked within a controlled temperature as specified by powder manufacturer for a flawless finish.7.3. the finish is as stronger as to withstand a 2h pencil hardness test as per direction of engineer in charge. , supply & installation of280 ltr frost free double door refrigerator, rt eon vibe 306b 25 hcf sk pr or equivalent with auto defrost, energy rating: 2 star, inverter compressor: energy efficient, toughened glass shelves: can bear the weight up to 120 kgthickest puf insulation: ensure cooling retention, cool shower technology: in built air vents, enable 360 degree superior cooling, aroma lock: retains 24 hour freshness, gasket type: anti bacterial technology, removable, silver ions in the air duct and anti microbial resistanceas per direction of engineer in charge. , supply , fitting & fixing ofiso 9001:2015, iso 14001, ohsas 18000, bifma, aiota, greenguard certified manufacturer godrej make storwel plain almirah as per following specification.storwel plain shall have an overall size of916mm ( w ) x486mm ( d ) x1980mm ( h ) with welded construction. it should have the shelf thickness of 0.7 mm, back thickness of 0.8mm, door thickness of 0.8mm ( high yield strength ) and all other components shall have a thickness of 0.9mm. these components shall be made of crca ‘d’ grade high yield strength as per is:513. the storwel plain should have a mazak handle and three way locking mechanism with shooting bolts. it should have a height wise adjustable shelf mounting which shall have a uniformly distributed load capacity of max 40 kg. it should also have a m10 screw type leveller with hex plastic base. the finishing shall include epoxy powder coated to the thickness of 50 microns ( + / 10 ) . plenty of colour options and shelving options shall be available as per direction of engineer in charge....

Jadavpur University - West Bengal

35112259 design fabrication supply installation testing commissioning and handing over of air conditioning system after dismantling and taking away buy back of existing air conditioning system at gandhi bhavan , the bidder must quote, considering that detailed design & engineering, preparation of drawings, support for comprehensive service drawings, obtaining statutory and clients approval, preparation of as built drawings and the like is part of the scope of work in addition to supply, installation, testing and commissioning.the quoted rates shall be exclusive gst which shall be shown separately , part a supply, installation, testing and commissining of , horizontal floor mounted double skin air handling unit in draw through configuration with 50mm thick sandwich insulated panels with cfc free polyurethane foam 40±2 kg / cumtr injected between outer skin of 0.6mm precoated gss and inner skin of 0.6mm thick plain gss and extruded aluminium frame structure with thermal brake profile and comprising of the following sections air intake section with access door and dampers in extruded aluminium construction for return air and fresh air filter section with combination filter of rating g4 and f6 mounted on a common frame cooling coil section with 6r deep / 12 fpi dx type cooling coil in four sections with suitable distributor and 18swg ss drain pan insulated with 9mm thick elastomeric nitrile insulation blower section with didw centrifugal fan with forward curved impeller, tefc squirrel cage induction motor, v belt drive package mounted on a common base frame with anti vibration mounts ad fire retardant flexible connection. suitable access door with limit switch and marine light should be provided in blower section. fan shall be vertical top discharge. the air handling unit shall be provided with supply air damper in extruded aluminium construction supply air 12000cfm external sp 25mm wc fresh air cfm 1700cfm return air cfm 10300 cfm total capacity 40tr (4 sections of 10tr each) face velocity of filters and cooling coil shall be restricted to 500fm max (2.54m/sec) fan should be selected for an outlet velocity not exceeding 10.2m/sec , air cooled outdoor condensing unit suitable for 415v ± 10%, 50hz ± 5%, 3ø ac power suply, complete with hermetically sealed type scroll compressor for r410a refrigerant, drive motor, air cooled condenser with protective coating and propeller type fan with motor and other standard accessories, housed in compact powder coated sheet metal enclosure nominal capacity 11tr , microprocessor controller suitable to control four numbers condensing units having fault display, run time equaliser, touch key switch, time delay for compressor, temperature control etc , inter connecting refrigerant piping between outdoor unit and indoor unit with 20swg thick hard drawn copper seamless pipes and fittings and insulated with factory laminated glass cloth coated elastomeric nitrile insulation 19mm / 13mm thick , suction line 1.1/8 / 28.57mm od with 19mm thick tubing insulation , liquid line 1/2 / 12.7 mm od with 13mm thick insulation , 14swg perforated gss cable tray for laying of refrigrant piping , condensing unit accessories for 11tr units like drier, hand shutoff valvs, thermostatic expansion valves etc. required to make the circuit complete , ductable split air conditioner units with air cooled outdoor condensing unit suitable for 415v ± 10%, 50hz ± 5%, 3ø ac power suply, complete with hermetically sealed type scroll compressor for r410 refrigerant, drive motor, air cooled condenser with protective coating and propeller type fan with motor and other standard accessories, housed in compact powder coated sheet metal enclosure and ceiling suspended indoor unit in powder coated construction complete with non wovn polyester media air filter enclosed in hdpe mesh, dx type cooling coil, condensat drain pan, didw centrifugal fan with forward curved impeller and drive motor complete all necessary accessories like microporocessr based controller with led display, contactor for compressor, capacitor for outdoor fan, single phase preventor, safety pressure switch, crank case heater, thermostatic expansion valve, drier, shut off valve etc nominal capacity 8.5tr , air flow 3400cfm , inter connecting refrigerant piping between outdoor unit and indoor unit with 20swg thick hard drawn copper seamless pipes and fittings and insulated with factory laminated glass cloth coated elastomeric nitrile insulation 19mm / 13mm thick , suction line 7/8 / 22.2mm od with 19mm thick tubing insulation , liquid line 3/8 / 9.5 mm od with 13mm thick insulation , 14swg perforated gss cable tray for laying of refrigrant piping , double skin supply air plenum in 25mm sandwich insulated construction with extruded aluminium frame structure and 25mm polyurethane foam density 40 ± 2 kg/cumtr injected between outer skin of 0.6mm pre coated gss and inner skin of 0.6mm plain gss, plenum dimension will be 1850w x 650h x 450mm d. plenum will be provided with 3nos jet nozzles, suitable to handle total of 3400cfm flushed with it. , double skin return air plenum in 25mm sandwich insulated construction with extruded aluminium frame structure and 25mm polyurethane foam density 40 ± 2 kg/cumtr injected between outer skin of 0.6mm pre coated gss and inner skin of 0.6mm plain gss, plenum dimension will be 1850w x 650h x 350mm d. plenum will be provided with a return air grill of suitable size. suitable access door shall be provided for attending to inddor unit filter. , ceiling susension arrangement for indoor unit and plenums with necessary gi suspendors and slotted channels etc. , acoustic insulation of ahu room wall between auditorium and ahu room with fiber free open cell nitrile rubber foam density 140 180 kg/cumtr 15mm thick, stuck to the wall with manufacturer recommended adhesive. all longitudinal and transverse joints shal be sealed with 50mm wide 22swg gi strips fixed with screws , acoustic insulation of supply air duct from inside with fiber free open cell nitrile rubber foam density 140 180 kg/cumtr 15mm thick, stuck to the wall with manufacturer recommended adhesive , thermal insulation of suply air ducting with 19mm thick closed cell elastomeric nitrile rubber insulation with factory backed aluminium foil one one side fixed to ducting by manufacturer recommended adhesive. maximum thermal conductivity of the insulation material shall be 0.035 wa/ (m k) , gi volume control damper within ducts to be provided with suitable links, levers and quadrants for manual control of volume of air flow and for proper balancing of the air distribution system as per direction of eic complete with locking arrangement , motorized fire damper of 90 mins fire rating as per specification with limit switch, actuator, some & fire sensor controller , fire damper , spring return type actuator suitable for 230v ac power supply for above , limit switch for above , control panel for above , gss sheet metal rectangular ducting as per specification complete with accessories as specified , 24 g gi sheets , 22 g gi sheets , 20 g gi sheets , gi fresh air intake louvers with bird/insect screen and gi volume control damper size 750mm x 600mm , extruded aluminium powder coated fixed bar supply air grille with removable core and integral extruded aluminium black volume control dampers , extruded aluminium powder coated fixed bar return air grille without volume control dampers , condensate drain water piping with cpvc pipes, rated for 6kg/cm2 as insulated with 6mm thick elastomeric nitrile insulation from respective air handling units to nearest floor drain point 40 mm dia , ms structural base for placement of outdoor condensing units duly painted with two coats of zinc rich primer followed by two coats of synthetic enamel paint , floor / wall mounted top connection cubicle type indoor compartmentalized 415v., 50 hz. dust & moisture proof lt distribution panel board with following electrical accessories fabricated from 14 swg crca sheet with ms angle frame as requried. . the panel should have adequate strength & space to accommodate the incoming & outgoing switches and bus bars with all interconnection in between the switches and bus bars with copper flat / flexible wire of suitable capacity. the panel should be provided with cable alley for facilitating connection of all the incoming & outgoing frls cables with termination arrangement by s&f copper terminal stud / bolt of required sizes. the panel board should consist with the followings: (a) incomer: a) 415v., 250 amp. 36 ka 4 pole mccb with thermal magnetic release , 1 no. (b) busbar chamber: 200 amp capacity 99.9% 99.5% electrolytic tinned copper 4 bar bus bar mounted on non hygroscopic porcelain insulator / hylam sheet having sufficient di electric strength duly wrapped with colour pvc tapes (red, yellow, blue & black) for phases & neutral identification & all connection made with required size cu bars 1set. (c) outgoing: a) 415v., 40amp. 36 ka 4 pole mccb with thermal magnetic release, 4 nos. for condensing units b) 415v., suitable rating of mccb, suitable rating fasd starter for operation of ahu motor with over load relay, inbuilt single phasing protection, on & off switch and outgoing feeder to air handling unit motor. the compartment shall contain an indicating lamp for ‘on’ & off status 4 nos c) 16amps 230v mcb feeder 1 no (spare) (d) metering: (a) 500v., c.t. coil (c.t. ratio 200/5a.) 1 nos. (b) led indicator lamps 03 nos. (c) panel mounted digital voltmeter in 96x96 mm² (ae/ hpl) [0 500 volt] 01 no. (d) panel mounted digital ammeter in 96x96 mm² [0 200 amp.] 01 no. (e) danger board 01 no. , power and control cabling between panel and drives with pvc armoured, pvc sheathed 1100v frls cables with copper conductor as per is 1225 complete with end terminations with doube compression cable glands laid on 14swg perforated gss cable trays , 4c x 10 sqmm copper conductor , 3c x 6 sqmm copper conductor , 7c x 1.5 sqmm copper conductor , 4c x 1.5 sqmm copper conductor , 2c x 1.5 sqmm copper conductor , earthing between equipment and panel with 4sqmm x 1c copper cable (unarmoured green) , first charge of refrigerant r410a for the complete installation commissioning, balancing and performance testing of the complete installation , part b all inclusive annual maintenance contract charges for 3 years after defects liability period , 1st year after dlp , 2nd year after dlp , 3rd year after dlp , part c buy back for the existing air conditioning system , dismantling, removal and disposal of the existing air conditioning system...