South Eastern Railways - West Bengal

33858857 supply of r 407 refrigerant gas.r 407 refrigerant gas., r 407 refrigerant gas ( 45 kgs / 47 kgs / cylinder ) with cylinder. ( gas to be supplied in firms own cylinder on returnable basis ) . workshop carriage west bengal 480.00 kg...

Metro Railway - West Bengal

33775254 supply of refrigerant gas r 407c .refrigerant gas r 407c ., refrigerant gas r 407c [ having chemical name difluro methane, penta fluro ethane, 1, 1, 1, 2 tetra fluro ethane & chemical formula ch2 f2 , cf3 chf2 , cf3 ch2f ] conforming to is / iso 817:2014 make dupoint / mafron / kiro / freon / ecorane / fluoro / floron....

Bidhan Chandra Krishi Viswavidyalaya - West Bengal

33676305 purchase , particulars , atomic absorption spectrophotometer ( aas ) : atomicabsorptionspectrophotometerwithgraphitetubeautomizer ( gta ) , flameautomizer ( fa ) andvapourgenerationassembly ( vga ) , unitforflame ( airacetyleneandnitrousoxide acetylene ) , chiller, autosamplersforgtaandflame.: technical specification: atomic absorption spectrophotometer: computer controlled with built inflame emission mode, wave length range: 180 – 910nmwave length, sensitivity: sensitivityatleast0.35absfor5µg / mlaqueouscopperstandardsolutionwithair – acetylene flame., optics: double beamholographic monochromator, czerny turner , focallength: atleast250mmfocallength, resolution: 1800lines / mm, slit width: 0.1nm, 0.2nm, 0.4nm, 1nm, 2nm & 5.0nm ( six step auto changer ) , flame atomizer: alltitaniumor equivalentburnerwithimpactbead / flowspoiler, premixdesign, movement: automatic movementintothe sample compartment, affect from acids, organic solvent: unaffected from attacks by acid solution or organic solvents ( e.g. methylisobutylketone i.e. mibk, flame alignment in liquid beam:fullyautomatic, optimizedwithmotorizedburnermountforverticalandhorizontalburneradjustment, nebulizer:highprecisionabletoprovidemanuallyadjustableuptakeratesmaterialofthenebulizerandrelatedventurishouldbeinerttoacidsolutionsandorganic solventssuchasmibk, flame control: computercontrolledignition, gas control: computercontrolledwithoxidantandfuelgasesmonitoringtomonitorconstantfuel / oxidantrationignition., safety function: interlockingsystem to preventignition, essential interlock monitor: burnertypeaswellasitspresenceinposition, airselector, flamesensor, liquidtraplevel, gassupplypressureandairsupplyanywhere inthe networkofgastubings inthe system, automatic lamp selection function: computer controlled hollow cathode lamp selection and alignment, lamp holder: atleast8lampholderwithbuiltinpowersuppliesforhollowcathodelampsandelectrode–lessdischargelampsorequivalent, operating parameter setting: automatic setting, read out / display: displayfacilityforabsorbanceaswellasconcentration, displayoferrorsorerrorcodes, absorbancerangeat least upto 2.0 abs., scale expansion: scale expansionatleastupto 100x, integration time: integrationtime shouldcoveratleast0.1to 60 secondsrange, measurement: measurementsofmean, rsdandcv, backgroundonlymode, integration ofpeakheightandpeakareas.accessories / spares with flame aasystem, vapor generation assembly: shouldbecontinuousflowbasedhydride / mercuryvaporgeneratorwithoptionofusingwithorwithoutaprogra, mmable auto sampler highly automatic: after pressing the start key, the whole, process ( sampling, reacting, calibrating and cleaning ) will be, finished automatically.high sensitivity: the sensitivity of most elements is better than 1ng / ml / 1%a. sensitivity of arsenic is better than 0.15ng / ml / 1%a.rsd: less than 3% measurement time: the single measurement will take 25 to 35 sec, less solution: sample 2 2.5ml ( including clean ) , potassium, borohydride 1 1.5ml, carrier liquid 5 6ml.atomizer: heated absorption cell ( heated by air c2h2 flame in standard carrier gas: ar pressure: 0.32 mpa, consumption:70 ml / min, power requirements: 240 vac, 50 / 60 hz, precision: precisionofbetterthan oratleast1%atppblevelsofmercury, arsenic etc. absorption cell: theabsorptioncell’smaterialshouldhavenoeffectofthehighheatof the flame andthe cellforthe analysis ofmercuryshouldbeofa closedabsorptiondesign flame arrester: flamearrestershouldbeprovidedinthetubewhichconnectsthe assemblyto the absorptioncell, cell design holder: thedesignofthecellholdershouldgiveafirmandeasilyadjustable ( foralignment ) mountingonthe burnerhead. system accessories: complete withnecessary reagentbottles, connectorsetc.hollow cathode lamps: arsenic, antimony, calcium, chromium, cobalt, copper, iron, nickel, lead, manganese, mercury, tin, zinc, molybdenum. air compressor with air filter or equivalent air service unit:completewithpressureregulatorquiteinoperation, necessarytubingandconnectorsandshouldmeettheairsupplyrequirements of aasoperation.oil free pump: oil free pumpandmoisture trap, corrosion resistant: resistanttoacidic vapourandthedrainvalve ( if any ) shouldbemade of stainlesssteelof equivalentcorrosionresistantmaterial nitrous – oxide gas regulator: nitrousoxidegasregulator ( twostage ) withheater, withnecessarytubing’sandconnectors.necessarytransformershouldbeprovidedto transformthissupplyto therequirementsoftheheater.theheatershouldworkon230±10volts50hzacpowersupply.acetylene gas regulator: acetylene gasregulator ( twostage ) withnecessarytubingandconnectors.nitrogen gas regulator: nitrogenregulator ( twostage ) withnecessarytuningsandconnectors.graphite furnace system, graphite tubeatomizer: should becomputercontrolledfullyenclosedgraphitetubesystemconsistingofstabilizedtemperature / totalpyrolyticgraphite plateform.gassupplies: provisionoftwogassupplies ( programmeselectable ) withindependentcontroloverthe gassupplythroughthe furnace.heatingrate: heatingrate ofatleast2500°cpersecond coolingtime: coolingtime20seconds temperature range: temperaturerangeambientto 3800°cor morein 1°cincrementsfeedbacksystem: feedbacksystemforfurnacetemperaturecontrol, interlocksforwater, gas, temperature, furnacedoor, graphitetubedamage andmainspower.temp.programming upto 20 rdertemperatureprogrammingfacilitywithflexibilityofprogramselection, ramptime, gases, gasflowandreadtriggerforeachtemperature step.control computercontrolledwithappropriateprovisionforprintoutofthe furnace andsample parameters display calibrationdata / graphs, temperatureprofiles, signalgraphicsandthe instrumentstatus. memory memoryshouldbe ableto storeatleasttwenty fivenonvolatileprogrammes chiller cooling mode: compressor cooling, temperature controller: pid controller, temperature range: 5°c – 35°c, accuracy: ±1°c, cooling capacity: 1300w @25°c, pump pressure: =1.3bar, pump flow: =15litre / min, tank volume: 8 litre, tank material: stainless steel ss304, refrigerant: r134a size ( w*d*h ) : 360*450*653mm, power supply: ac220v, 50 / 60hz dataworkstation application softwareprogram facility with multitasking software shouldprovidecompletecontrolofinstrumentwithinstrumentstatusdisplayanditsvariousaccessories. provide accurate and reproducible time averaged, integration, non – averaged integration, multi level calibration. softwareshouldhandleinstrumentlinearabsorbancereading, concentration, oremissionintensity, integrationtime, built instatistics, calibrationequationcontrol, slopeofanalyticalcurveusingoperatorselectivecalibrationstandard built ininterfaceforcomputerconnectionanduseofoptionalaccessories. comprehensivequalitycontrolprotocolsfacilityincludingblank, multiplequalitycontrolstandards, qa / qcaudittrailandcalibrationfailure. computer system, make reputed brand, processor i5 10th gen, ram 8gb or advance.ssd 512, monitor 19”led, operation software: preloaded windows xp professional operating system with licensed cd or better msoffice2000standardwithmedia, manualandlicensedcdor better, preloaded antivirus with latest version along with licensed cd or better fume hoodexhaust fume hood made in stainless steel chimney with std 20ft ss304 powder coated exhaust pipe with inert centrifugal blower 1400rpm, ac 230v, with standard fitting installation hardware for installation. operation kit standardoperationkitincludingallrequireditems, tubings, fittingsforstartup / regularoperationofinstrumentsuchasgaspurificationsystem to be supplied with the system. operation / maintenance manual operation / maintenance manualforeachunit analytical manual analyticalmanualincludingapplicationsforflame, vgaandgraphite system operation and maintenance training one weektrainingto beprovidedtotwo scientiston softwaretraining, operation, maintenance andtrouble shootingaspectsof instrumentatthe timeof installation. , air conditioner : split ac with inverter swing compressor: streamer discharge & dew clean technology for healthy air capacity 1.5 ton: suitable for medium sized rooms ( 111 to 150 sq.ft ) 5 star: best in class efficiency copper condenser coil: better cooling and requires low maintenance key features cooling capacity @ 43°c: 100%; noise level: 38 db ( a ) ; ambient operation: 54°c special features: 15% higher iseer compared to base iseer ( 4.5 ) of 5 star ac; patented streamer discharge for healthy air; intelligent eye to adjust cooling according to human presence; triple display ( power consumption %age, set / room temperature & auto error code ) ; dew clean technology that cleans indoor unit coil with a press of button refrigerant gas: r32 environmental friendly no ozone depletion potential indoor unit, outdoor unit, remote control, user manual, warranty card & standard installation kit , bod incubator: floor standing, double doors .temperature range 5°c to 80°c with uniformity of ±0.2°c @ 10°c. microprocessor pid controller delivers superior temperature control accuracy, required for precise results. features and advantages include illumination lamp, caster wheels for easy mobility, digital timer . 175litres / 6.1cft, external chamber ms, internal chamber ss304, solid insulated door ( with glass & without glass ) w / lock door, stainless steel 5 shelves removable, caster wheels, humidity system, light system by interior illumination w / 3 fluorescent tubes, timer 0 99 hours for regulating cycles illumination condition, rfid enabled door locking system. brand name and model name must come in the display. , centrifuge: max speed: 15000 rpm speed accuracy : ±1rpm or ±1 x g temperature: 10°c to +40°c. possibility of precooling during standstill rotor type: angle rotor for conical centrifuge tubes. all rotors with lid and anti corrosion coating rotor capacity: 8 x 50 ml with max. rpm:~14000 rpm 8 x 15ml with max. rpm:~ 14, 000 pre selection of run parameters in terms of rpm timer range: pre selection of time from 30sec. to 10 hr. or continuous set time in hrs:min, min:sec, or continuous mode automatic rotor identification & imbalance sensor low vibration during the operation. extremely low noise during operation ( <66 db ) . with microcontroller for speed, time and temperature motorized lid lock and inter lock keys for start, stop and lid open power supply: 230 v / 50 60 hz , chns analyser : fully automated pc controlled elemental analyser for solid and liquid samples.the analyzer must be able to simultaneously determine the elements in the following combinations: chns, or chn, or cns, or cn, or nwithout a need to change column helium as carrier gas and option for argon as carrier gas in chns mode.sample weight range: 0.2 mg of organic compound to 800 mg or more inhomogeneous soildetection range: 0 to 100% for all elements ( c, h, n, s ) with the capability of measuringat least 10 mg absolute carbon in chns mode and more than 50 mg in cn mode standard deviation: ?0.1% of absolute. lower detection limit of < 50 ppm for n , c and s with thermal conductivity detector ( tcd ) dependingon sample weight. the instrument must fulfil the international and national safety standards. for safety reasons, theentire instrument including furnaces must internally operate on low voltage ( < 50 v ) . large dynamic measurement, range from 0.1 milligram, chemical substance to1 gram inhomogeneous soil, best analysis results for any sample matrix, wide variety of optional configurations, individually extendible, low and tool free maintenance, low noise level, low total cost of ownership, integrated 120 position auto sampler as standard, patented ball valve forblank free sample transfer. furnace system • should have two zone furnace system, separate for combustion and reduction with independent temperature control for each furnace in chns mode. easy slide out mechanism of furnace for routine maintenance work. it should be possible to set difference temperature for combustion and reduction. • controlled furnace temperature should be 1200 deg c or more. • easy ash removal without change of combustion tube by means of an exchangeable ash crucible. separation system • combustion gases in the form co2, h2o, n2 and so2 are separated by means of single temperature programmed desorption ( tpd ) column. detector system • oxygen intrusion free thermistor technology based temperature stabilized tcd detector for measurement of c h n s o auto sampler system • integrated 50 or more position automatic sampler having capacity to handle upto 1000 mg sample in each sampler holder position of carousel software • should be windows based and should have operating software with automatic calculation and statistical evaluation of sample results, automatic leak check, sleep / wakeup function, gas stop, service and maintenance support and weight transfer from external balance. • all instrument functions incl. gas flow and pressures must be digitally controlled for diagnosis and trouble shooting via the internet. consumables: to be supplied with consumables enough for 1, 000 sample analysis in chns / cns mode. necessary documents: • catalogue in original. • all technical specifications should be printed on the manufacturers catalogue / data sheet. , compound microscope : compound microscope ( 10x eye piece, objective with magnifying powers 10x, 40x and 100x oil immersion objective lens ( body monocular die cast body, inclinable upto a horizontal position ( 90° ) ; focussing by coarse & fine focusing knobs; eyepieces huygenian 10x and 15x; objectives hard anti reflection coated, colour coded par focal achromatic 10x, 40x, 100x, oil immersion; condenser built in sub stage condenser with iris diaphragm. branded, best quality ) , compoundtrinocular microscope with camera: trinocular head, eyepiece: swf 10x, u plan objectives of 4x, 10x, 40x and 100x, abbe 1.25 n. a. condenser with iris diaphragm, ceramic coated flat top stage, co axial coarse and fine focusing, led or halogen illumination with automatic voltage sending power supply, digital camera ( 5 mega pixels ) , fire wire cable, c mount adapter 0.7x and image analysis software with 4d experiment ability. , conductivity bridge : advanced microprocessor based design. brand name and model name must come in the display. conductivity and tds modes. automatic and manual temperature compensation auto ranging. 0 20?s / cm, 20 200?s / cm, 200 2000?s / cm, 2 – 20 ms / cm, 20 200 ms / cm, 200ms / cm 2000. multi point calibration. tds conversion factor from 0.40 to 1.00 cell constant adjustable from 0.1 to 10.0 temperature coefficient adjustable from 0 to 10% / °c normalisation temperature adjustable from 15 to 30 °c. bi directional rs232 interface. baud rate selectable from 1200, 2400, 4800 and9600. single and continuous print out of conductivity. multiple printout types. combinations selectable from sr. no., cond / tds, date, time and temperature. real time clock. temperature setting ( manual temperature compensation ) . calibration report as per glp requirements lcd touch screen display with backlight. memory storage of 100 measurements. data logging facility up to 500 results. data logging interval selectable from 5s, 10s, 20s, 30s, 1m, 2m and 5m. temperature calibration. , compound phase contrast binocular microscope : body: binocular, sturdy, stable base body with focus adjustment controls. eye piece: paired, high quality, achromatic, wide field, system complete with illumination system is required. objective: three objectives 10x, 40x, 100x. 10x and 40x objectives should have numerical apertures of 0.25 and 0.65 respectively.100x should have numerical aperture of 1.65. nose piece: revolving nose piece to accommodate a minimum of three objectives with click stops. it should be provided with ribbed grip for easy rotation mounted on a precision ball bearing mechanism for smooth and accurate alignment. stage uniformly horizontal, mechanical stage having dimensions of length 140 mm ( + / 20mm ) . the stage should be provided with spring loaded slide holder for exact positioning of specimen / slide. the stage should have ball bearing arrangement to allow smooth travel in transverse directions i.e. 80 mm ( + / 10mm ) and front to back direction, 50mm ( + / 10mm ) . the system should have a build in variable light source ( illuminator ) . this light sourceshould have a 50 w, 12 v halogen lamp. all consumables required for installation and standardization of system and microscopecover to be given free of cost. , desktop computer with accessories : corei5 11400 motherboard gigabyte h510mh , 16 gb ddr4 ram, 512 ssd, key board, mouse, 19”led colour monitor, bluetooth, cabinet, branded laser printer. , digestion hood for the laboratory : internal lining: suitable material for hf resistancelike upvc or pp internal size ( 1600x675x1250 mm : wxdxh ) ± 10%should supply with digital face velocity meter withalarm / low exhaust indicatorcold water service fixture ( inlet and outlet, pre plumbed ) for using distillationunit inside. tri wall construction for maximum robustness. u pvc / pp internal chamber. chain and sprocket sash support system. hood lighting is pre wired. lighting is electronically ballasted, energy efficient, instant start. typical light intensity on work surface is >1076 lux in zero ambient conditions. u pvc exhaust collar ensures superior chemical resistance. one gas service fixture pre plumbed internal electrical connection: two number ( 5 / 15 amp ) socket internal light fitting for proper illumination with external switches vertical sash: polycarbonate / toughened float glass ( acidresistant ) removable baffle / suitable mechanism for easycleaning, blower and duct: pp+frp – 250 mm diameter duct 20 feet in length 1 hp motor and reputed and standard company ( brand must be mentioned ) , 600 cfm minimum volume weather proof pp / motor housing. exhaust: pp+frp exhaust fan with chemical resistantimpeller system will be installed in first floor of laboratory block. stack height should beat least three meters above top roof ( two storey building ) shaping vanes increase airflow “sweep” at the critical area atthe sidewall to improve containment, especially when laboratorypersonnel walk fast in front of the hood. , electronic precession balance : maximum capacity [ max ] 200 / 2000 g minimum load 20 mg, readability [ d ] , 0.001 / 0.01 g tare range 2000 g, repeatability ( max ) 0.001 / 0.01 g repeatability ( 5% max ) 0.0005 / 0.005 g, linearity±0.002 / 0.02 g stabilization time2 / 1.5 s adjustment external physical parameters levelling system manual display lcd ( backlit ) delivery components balance, weighing pan, weighing pan shield, grounding foot ×1, foot ×3, power supply. weighing pan dimensions 128×128 mm packaging dimensions 470×380×336 mm net weight 3.2 kg gross weight 4.8 kg, protection class ip 43 , communication interface communication interface, 2×rs232¹, usb a, usb b, wi fi® ( option ) electrical parameters, power supply , adapter: 100 240v ac 50 / 60hz 0.6a; 12v dc 1.2a balance: 12 – 15v dc 0.4a max , environmental conditions operating temperature +10 — +40 °c. , environmental shaker :environment shaking incubator : salient features , programmable logic controller ( plc ) , 4.3 hmi with colour display and touch screen, password protected operation. , universal platform to accommodate vanous type of flask and test tube rack max ( 8x250ml ) .electronic capacitance type humidity sensor , direct display of temperature and humidity, display of set value and process value, unique air flow system ensures even distribution of temperature and humidity, precise control of temperature and humidity by using built in pid controller ( auto tuning type ) , forward and backward rotation programs and rpm 30 350, maintenance free brushless induction motor, variable frequency drive ( vfd ) permanently lubricated bearing for noise less operation, triple eccentric counter balanced drive mechanism for uniform agitation, castor wheel for ease of mobility adjustable levelling jack. , horizontal autoclave : 1.fully automatic micro processor based high pressure, high vacuum autoclave for sterilizing material including agars, sterilization of solution in open & closed bottles, disinfection of materials and waste decontamination. 2. should be front loading, have rectangular, horizontal chamber with well insulated jacket, chamber volume minimum 165 lit. 3. should have single vertical sliding door to have a pass through system. door should be electrically controlled having fully automatic function with multiple safety arrangements. sealing system should be based on silicone seal.4. should have at least 50mm thick insulation materials on jacket and in doors to ensure low thermal losses. working temp. of the door should be less than 45deg. c. 5. should be high grade stainless steel.6. should have a built in colousr touch screen.7. should have audio visual alarms in case of undesired situations. 8. should have programmable operators access level. 9. should have at least 10 pre programmed standard cycles plus 5 or more user programmable cycles and provision of chip card port for loading of new programs through chip cards.10. should have temperature adjustable from 25deg. to 135 deg. c. 11. safe working pressure range should be adjustable 12. should have complete monitoring of cycle operation and provided with at least two pressuresensors and two temp. sensors ( pt 100 ) in addition to analog for chamber pressure, jacket pressure and steam generator pressure indication.13. the unit should be equipped with multiple safety mechanisms for emergency stop over pressure safety valves for chamber and jacket, over temp safety, steam traps and electrical safety.14. the unit should include non fade built in thermo recorder for step progress values during the cycle with time and date and alarm condition if any.15. should have built in feature of water saving system for water conservation.16. should be supplied complete with high quality stainless steel trolleys and sterilization baskets: a. external trolley = 01 nos.b. internal trolley with steel roller c. shelves = 01 nos. and d. 2 sets of sterilization baskets. 17. all accessories & electric fitting to be included 18. three compulsory visits for calibration and check up irrespective of complaints in year.19. the steam generator should be also be made of aisi 316 ti steel & the steam generator should be equipped with automatic cleaning facility. 20. integrated waste water cooling, integrated water saving device. touch screen display, chip card reader and rs 232 interface. , hot air oven : capacity 250 litre, temp range: +5ºc to 250ºc. control accuracy: ±0.2ºc, uniformity: ± 2.0 at 100.0ºc minimum 3 no. of shelves with height adjustable in 25mm steps, glass window in built into the door for easy viewing of samples, automatic cut off of heater & blower when door opened, digital pid temperature controller with timer, alarms and auto tuning, aero dynamic internal design for achieving horizontal air circulation, solid and plain bottom without electrical, outer body made of g.i epoxy coated inner body made of stainless steel with clear bottom ce certified. brand name and model name must come in the display. , hot plate : size 420 x 320 x 130 mm ht. ( total height with feet ) weight 9 kg, voltage 230v ( 50hz ) , temperature 250°c maximum uniformity + / 2°c.temperature rise 6°c per minute temperature drop 1°c per minute, the hot plate should be able to control the temperature within + / 2°c, temperature should be uniform throughout the hot plate surface. 6. there should be rims around the edges of the hot plate for safety, power 2200 w, approx. 9.6 amp in 230v, material pfa coated graphite. , laminar air flow chamber : microprocessor controlled system with motorised door. type of airflow: horizontal full password protected operation. 70% of air should be recirculated to the cabinet work area through hepa filter and the 30% balance should be exhausted through hepa. the balance should be dynamic to ensure the 70 / 30 recirculation / exhaust air the instrument must have hepa filters on down flow as well as exhaust with an efficacy of 99.99% for particles sized of calibration certificates along with dop test report shall have to be submitted at the time of supply of instrument ) the dimensions of the working chamber should be in the following range: length: 90 120 cm , width: 40 60 cm , height: 50 80 cm . the main body and working chamber of the cabinet should be made of stainless steel, rigid and rustproof with removable trays the cabinet should have an electrically operated sliding front sash made of safety ( uv ) glass with a provision for manual operation of the sliding front window. also, the sliding front sash should have true air and aerosol tight electrical shahs. front door: clear transparent sturdy material work chamber should be fitted with a fluorescent lamp for illumination and should have programmable uv light cycle. the unit should have microprocessor control keys with large icons and a large graphical display with provision for the permanent display of the following key cabinet conditions. i. inflow and down flow air velocity ii. exhaust and recirculated airflow volumes iii. time and date iv. residual lifetime of filters & total time of cabinet operation ( optional ) alarm notification in the following situations: i. low inflow velocity ii. low down flow air velocity iii. hepa filter life iv. alarms for clogged filters v. other malfunction compatible at a power supply of 220 v, 50hz noise level: < 65 db basic cabinet should be termite and insect resistant and washable accessories: manometer, gas inlet, castors the cabinet should be with a stand with lockable castors brand name and model name must come in the display. , multimeter with ion selective electrodes for water quality testing : colour capacitive touch screen with software control facility. can store 2000 sets of test data, which can be saved and transferred to usb memory stick and opened with excel. power: universal ac adapter and with rechargeable lithium battery ( included ) . concentration range: ( 0~19990 ) , can switch 6 kind of concentration units: ug / l, mg / l, g / l, mol / l, mmol / l, ppm. concentration resolution: 4 significant digits ( expressed in scientific notation ) can be operated through 5 amp plug and battery. accuracy: ±0.1mv or 0.03% temp range: ( 0? to 100? ) accuracy: ±0.1? output through usb / bluetooth battery life 1000 hour. type: lithium battery. ise fluoride, chloride , bromide, ammonia, brand name and model name must come in the display. , mechanical shaker: compact bench top microcontroller based shaker with temperature control range from ambient +5°c to 60°c , ergonomicallydesignedwithminimalfootprint triple eccentriccounterbalanceddriveforuniformagitationwith 25mmshakingorbitmaintenance freepermanent ( self ) lubricatedshieldballbearingsfornoiselessoperationfrpexteriorwithanti vibrationmountforsmoothrunning preciseshaking speedcontrolwithgentlestart / stopcycle, preventingspillagepowerfulpermanentmagnetdcdrivewithdigitalleddisplayofspeed pulsewidthmodulation ( pwm ) basedspeedcontroloptionaltimerfunctionforspeed autore starttosetspeedafterpoweroutage universalplatformtoaccommodateerlenmeyer, roundbottom, volumetricflasks, testtube holdersµplateholders hasautorestartfunctionafterpowerinterruptionwithnonvolatilememory ( retainsetparametersafterpowerfailure ) orbital shaking with orbit diameter of 25 mm, speed 20 450 rpm with accuracy of ± 2 rpm, led display , universal platform and clamps to hold flaskscapacity 100ml 64nos or 1000ml. 16nos, tray dimension : 450 x 450 mm, noiseless operation, operational voltage 220 ± 20v, 50 hz, should meet ce standards , mechanical soil auger : soil auger sampler : made of iron : screw type, one meter long with handle :size : 2.5 cm. dia , microprocessor based flame photometer : alphanumeric graphics lcd ( 240x 128 dots ) brand name and model name must come in the display microcontroller based na, k, li, ca& ba auto ignition gas leak sensor auto gas cut off. pass word protection. separate logging for guest and administrator quadratic curve fitting rtc high quality compressor software na minimum concentration without dilution 2 ppm and 0 200 meq / l with 1:100 dilution ba can be measured upto 3000ppm without dilution in higher concentration mode and 500ppm at lower concentration mode. caupto 250 meq / l with 1;100 dilution bandwidth 10nm curve fitting accuracy ±2% f.s pc link software to send data to pc. gas cylinder and regulator must be supplied. product must be ce certified and company should bear iso certification. brand name and model name must come in the display. , microtomy : section thickness range: 0.25 60 ?m trimming thickness range: 5 500 ?m resolution: 0.25 for 0.25 1 ?m 0.5 for 1 5 ?m 1 for 5 20 ?m 2 for 20 30 ?m 5 for 30 60 ?m resolution: 5 for 5 10 ?m 10 for 10 100 ?m 20 for 100 200 ?m 50 for 200 500 ?m knife carrier retraction during return travel of the specimen: 60 ?m horizontal feed range of the knife carrier: max. 28mm vertical specimen stoke: max. 64mm specimen size: 55 x 50 mm specimen orientation: x and y axes: universal 8º z axis: up to 360º , microwave digestion system : large furnace cavity design with completely independent intellectualproperty rights, 1~6 100ml ultra high pressure digestion tanks can be placed at the same time; industrial grade 1000w magnetron. temperature and pressure dual measurement and control, precise control, active prevention of over temperature and over pressure, maximum working pressure: 6mpa, maximum withstand temperature: 300°c, maximum working temperature: 250°c high precision anti interference pressure sensor adopts double explosion proof control mode to directly measure the actual reaction pressure in the digestion tank, the pressure measurement range is 0~10mpa, and the pressure measurement accuracy is 0.01mpa; insert high sensitivity platinum resistance temperature sensor, directlymeasure the actual reaction temperature in the digestion tank, the temperature range is 0~300°c, and the temperature measurement accuracy is ±0.1°c; it can measure and control the pressure and temperature in any reactiontank, and the 7 inch high definition camera display accurately shows the chemical reaction process; equipped with perfluorination digestion tank or ft double layer digestion tank: ptfe digestion tank is made of ptfe ( polytetrafluoroethylene ) , and the sheath is made of high strength explosion proof aerospace composite. the fiber material is made by one time die casting, high temperature resistance, high pressure and strong acid corrosion resistance; easy disassembly and assembly, fast cooling; double venting protection and digestion tank for venting holes and sealed bowls; up to 6 ultra high pressure digestion tanks can be placed at the same time; the furnace cavity is ventilated with acid resistance, large air volume centrifugal fan, and the exhaust air volume is 5m3 / min; specially designed self locking ground moving safety door to resist accidental explosion and microwave leakage. tank technical parameters: the pressure resistant jacket material is a hydrophobic high strength pressure resistant composite fiber material, which is explosion proof and supports washing and easy to clean. the inner tank adopts imported modified polytetrafluoroethylene ( tfm ) , high strength frame type closed ultra high pressure reaction tank: the highest withstand temperature =300 °c. explosion proof membrane automatic pressure relief and peek compressionmodule pressure relief safety design to ensure the safe operation of the instrument. the whole tank pressure monitoring system, the threshold value can beadjusted. using high strength engineering plastics for one injection molding, independent ultra high pressure digestion tank holder. tank 6pcs, power ac220v / 50hz / 10a, microwave frequency 2450 ( mhz ) , microwave output power 1000 ( w ) , microwave cavity 45 ( l ) , protective spraying pfa, control heating method pid, temperature ramp 1~50? / min, cooling time =25min, microwave leakage =0.3mw / cm2, temperature control range 0~300?, temperature control accuracy 0.1?, pressure control range 0~10mpa, pressure accuracy 0.01mpa, outer tank material peek, inner can material tfm1700, highest temperature resistance 300?, operating temperature 250?, highest pressure 15mpa , microwave oven : convection microwave oven with ceramic enamel cavity 21l ( 1. capacity: 0.7 cu.ft. / 21 ltr., 2. heat source: convection 3. power: power consumption ( microwave ) 4.1200w 5. power source: 230v / 50hz 6. output power ( max ) : 2350w 7. powerlevel:6 8. display type: led bar 9. control method: membrane 10. door opening type: handle 11. microwave distribution: turntable 12. cavity interior :ceramic enamel ) , millipore water purifier : parameter value or range pressure 2 – 6 bar flow rate > 10 l / min at 2 bar feed water type potable water temperature 5 – 35 °c conductivity 10 – 2000 ?s / cm at 25 °c ph 4 – 10 hardness ( as caco3 ) < 300 ppm silica concentration <30 ppm carbon dioxide concentration ( co2 ) < 30 ppm langelier saturation index ( lsi ) < 0.3 fouling index ( fi5 ) or silt density index ( sdi ) = 7 ( * ) total organic carbon ( toc ) < 1 ppm free chlorine < 1.5 ppm typical water quality measures with a well designed and maintained distribution loop of 20 meters: flow rate pressure 5 lpm / 1.32 gpm 2.2 bar / 32 psi 15 lpm / 3.96 gpm 1.9 bar / 28 psi20 lpm / 5.28 gpm 1.6 bar / 23 psi plumbing connections inlet ( feed water connection ) 3 / 4 bsp loop start / return 1 1 / 2 sanitary tc drains 3 / 8” lab water purification systems type 2 ( pure ) , muffle furnace : controller: should be microprocessor based & at least 8 segment programmable or equivalent controller with necessary safety features. programmable temperature ( pid controller ) controller with heating rate control from 10?c / min to 40?c / min. ( fast heating rate would be preferable ) , heating element :kanthal a1 and backed by high temperature ceramic insulation , safety: over temperature protection& over load protection ( safety controller ) should provided. door safety switch must be provided so that it disconnects power supply to heating element when door opens. should be equipped with digital over temperature protection circuit to fail safe in the event of a controller malfunction , critical electronics component and heating elements protected by a 35a circuit breaker., weight : less than 100 kg , two set of operation and maintenance manual should provided. , ph meter : supply of bench top, digital ph meter along with all its accessories and spares required brand name and model name must come in the display. to operate the instrument as per specification given below: the direct reading laboratory ph meter ( digital ) operable at 230v + / 10v a.c., 50 hz powersupply with necessary cable connections and other standard accessories required for smoothoperation. measuring range resolution accuracy ph range 0 to 14 ph ( min. ) 0.001 ph ± 0.002 ph mv 1000.0 1000.0 ( min. ) 0.1 ph ± 0.2, rel. mv 1000.0 1000.0 ( min. ) 0.1 ph ± 0.2 temperature mtc 10.0 100.0 °c ( min. ) 0.1 °c ± 0.1 °c, temperature atc 5.0 100.0 °c ( min. ) 0.1 °c ± 0.1 °c, temperature compensation : it should have both automatic and manual temperaturecompensation touch screen display , parameters likeph, temperature, mv, date & time etc. ingress protection level : it should be ip54 complied protection level.power requirements : it should be operable with 9 12v / 10w dc adapter. storage of instrument : it should be able to stored in temperature of 5 to 40 °c and relative humidity of 5 to 80% ( non condensing ) glp compliance : it should be glp complied .to improve the reproducibility, it should allow to choose from at least three endpoint criteriaaccording to our requirements.the electrode holder should move in a perfectly vertical way, making it easy to place the sensor in the perfect position i.e. vertically in the measurement beaker. it should be able to connect peripherals via usb and rs232, increasing its possibilitiessignificantly. export of measurement data and calibration data should be possible to usb stickto direct pc software whenever required by us. it should allow monitoring of limits of parameter ph by giving a warning message when the value falls below or exceeds the predefined limits. it should have facility not to delete of data and changing of settings in routine mode. hence it required to be pin protected for login, deletion of data, system settings etc. it should have choice of endpoint formats like automatic, manual and timed. it should have choice of ph decimal places like x.y, x.yy & x.yyy ( up to one, two andthree decimal places. ) it should have data storage up to 1000 measurements ( min. ) it should have ph sensor input through bnc connector with impedance of more than 3 x 1012o . it should have temperature sensor input. it should be able to show the quality of last calibration on its screen. , precision drier : capacity, material and construction: cap:3ltr / h evaporation rate. suitable for aqueous feed solution. laboratory scale model. external body –ss316. drying chamber and cyclone in full ss 316l construction. total construct size: 1200 x 1300 x 2000 mm ( ±10% dimesional tolerance ) , self supported on castor / wheels ( compressor size is extra ) . weight: max 130 kg ( ±20% ) ( compressor weight is extra ) chamber: chamber size: diameter 280 350mm, length 600 1000 mm, with conical bottom. feed pump: variable speed gearless peristaltic pump with dual teflon rollers and precise speed control. feed pump should be of repute make preferable watson marlow / miclin / flowtec or equivalent. silicon tube for feed. pump should be controlled through plc and manually as well. spray system and nozzle:moc for two fluid spray nozzle: 316l variable aperture nozzle of 0.7mm.other sizes such as 0.5 / 1.0 / 1.2 / 1.5 / 2.0 / 2.5 mm may be available. auto de blocking system for spray nozzle which will be fitted on nozzle controlled through a de blocker timer. an additional spray aperture for future use should be included. nozzle geometry and design must be submitted with a tender document. desired output particle size range 20 45 micron, compatible with ceramic slurry also. controller and display: plc based operating system with a multi touch colour, interface, 9” hmi with data logging, online trends, recipe functionand ability to store recipes and recall for ease of use. plc of repute make such as siemens, delta or equivalent etc. thesystem should have an audio visual alarm for a. inlet temperature, outlet temperature and atomization pressure. thesystem should have parameter control and safety interlock. inlet / input air temperature / / temperature range: ambient to minimum 260 degrees c, variable and selectable aspirator airflow:max. 150 cum 3 / hr with vfd for motor control of repute make such as delta, fuji or equivalent air heater:electrical heater with minimum 6.0kw capacity inlet filter:combination type ( pre + hepa ) for pre filtering environment air to keep most impurities and particles away from the spray drying process, outer filter assembly: mainly to protect aspirators from fine particles. it should include spun bound polyester cartridge with ptfe coating. efficiency 1micron down to 99.99%.compressor: oil free air compressor piston type with min. 20l air reservoir 1hp power supply: single phase, compatible with indian standard , quartzdouble distilled water plant: all quartz, material of distillation unit shall be made of high purity electronic grade transparent quartz only, heaters: demountable boiler panel with compact design of boilers & condensers easily mountable for cleaning and maintenance with spiral heaters, electrical requirement: 230 250 volts 10 / 50hz, single phase, dist. water output capacity ( ltr / hr ) : 2.5 ltrs / hr, total power consumed 4.4 kw, conductivity ( ?s / cm ) : <1*10 6, distillation units type vertical, biological activity pyrogen free, double stage glass ( quartz ) distillation units yes, double wall condenser quartz, cooling water consumption ( ltr / hr ) 2 ltrs / min, boiler quartz, demountable model and should be connected with rubber tumbling and pinch cock for cleaning sediments in primary boilers and must be ce / iso certified.primary boiler provided with o ring accessories distillation apparatus power supply ( daps ) : the unit provides for automatic working of distillation unit by switching off the heaters in case water level falls below the heating coil, there by safeguarding the heaters. the unit resumes distillation when water level is restored. the unit also comes with buzzer. apart from the above features, dual cut off: the dual , quartz single distilled water plant: all quartz, material of distillation unit shall be made of high purity electronic grade transparent quartz only, heaters: demountable boiler panel with compact design of boilers & condensers easily mountable for cleaning and maintenance with spiral heaters, electrical requirement: 230 250 volts 10 / 50hz, single phase, dist. water output capacity ( ltr / hr ) : 2.5 ltrs / hr, total power consumed 2.2 kw, conductivity ( ?s / cm ) : <1*10 6, distillation units type vertical, biological activity pyrogen free, single stage glass ( quartz ) distillation units yes, double wall condenser quartz, cooling water consumption ( ltr / hr ) 1 ltrs / min, boiler quartz, demountable model and should be connected with rubber tumbling and pinch cock for cleaning sediments in primary boilers and must be ce / iso certified. distillation apparatus power supply ( daps ) : the unit provides for automatic working of distillation unit by switching off the heaters in case water level falls below the heating coil, there by safeguarding the heaters. the unit resumes distillation when water level is restored. the unit also comes with buzzer. apart from the above features, dual cut off: the dual cut off switches off the heater even when there is no cooling water supply to the condenser. , refrigerator : frost free refrigerator : auto defrost function to prevent ice build up capacity 253 ltrs : suitable for small families and bachelors | freezer capacity: 69 ltrs fresh food capacity: 184 ltrs digital inverter compressor – enjoy greater energy efficiency, less noise and a long lasting performance. it automatically adjusts its speed in response to cooling demand shelf type: spill proof toughened glass shelves with easy slide special features: easy slide shelf, door alarm, inverter, temperature control, cool pack, stabilizer free operation ( 100 ~ 300 v ) key feature : all round cooling for even cooling corner to corner | power cool enjoy rapid cooling performance | moistfresh zone preserve the freshness and flavor of fruit and vegetables for longer | interior led light | moveable ice maker | tall bottle guards | recess door handle | fresh room | deodorizer | r600a refrigerant , refrigerator temperature control : the upright freezer type comes with an abs make interior. its outer body is a painted steel board, the door comes with a handle and a safety lock on it, there are casters provided for easy handing, its inner drawers are made of plastic control system : uses a microprocessor based temperature controller • the temperature control range is adjustable between 10°c to 20°c • it has a digital temperature display, equipped with audio such as: high or low temperature alarm, chamber volume 270ltr, chamber dimensions 800x500x500 outer dimension 1060x695x792 input voltage 230vac 50hz , semi automatic nitrogen protein analyzer : analyzer should be semiautomatic system consisting of a digestion unit, a scrubber unit, and a distillation unit. digestion unit: automated with integrated programmable control, should have electrically heated ( 230 ± 10 volts, 50 hz ac ) metal blocks. it should be capable of providing a temperature range from 100°c 440°c with ±10°c repeatability. should have inbuilt temperature controller with digital display and led display along with manual temperature adjustment. heating time setting with steps from 1 150 minutes should have the capacity to accommodate at least eight numbers of digestion tubes each of at least 250ml capacity , should have leak proof integrated condensers ( fumes carriers ) made up of glass, fixed on a movable panel along with adopter for outlet to the scrubber unit. proper digestion exhausts system. scrubber unit should be an oil free centrifugal suction type, with manual vacuum adjustment facility. corrosion and impact resistant provided with condensate and acid fumes collection vessels. should operate on 230 ± 10 volts, 50 hz, ac power supply. distillation unit fully programmable distillation unit including sample dilution, alkali and receiver addition, distillation and tube draining facility. validated procedure / certification for tkn distillation like aoac, epa, din, iso etc, should be made up of standard quality borosilicate glass. should possess a steam generator made up of borosilicate glass along with heater and have 3 step manual control facility i.e. standby, water inlet and distillation. should have inbuilt bellows pump for accurate reagent ( alkali / acid ) dispensing. should have ventilation valve. should have timer for 5 15 minutes with audio signal. steam inlet tube should be of ptfe. unit should have quick clamping device for digestion tube with adaptor. should operate on 230 ± 10 volts, 50 hz, ac power supply. complete unit shouldprovided with one set of digestion tubes along with the servicing, operating and maintenance manuals. can able to monitor and measurement of distillate temperature. self adjusting cooling water control facility safe feature for safe distillation. can be upgradeable whenever required accessories: 2 set of digestion tubes, digestion tube stand, spillage tray for the condensers, tube removing device , soxhlet’s apparatus : body constructed in ms epoxy coated finish , featuring use of mantle type heaters that comes with support of energy regulator, capability to handle 6 tests, can handle flasks of 250ml capacity, supplied withsupport of clamps as well as rubber tubing, works on electric supply of 220 / 230 volts, 50 / 60 hz ac, suitable to heat soxhlet flasks of 250ml , top loading balance: maximum capacity ( or ) range of the balance80 90 / 220 gm readability 0.01 mg ( 0.00001 gm ) / 0.1 mg ( 0.0001 gm ) tarring range 0 – 220 gm display backlit graphics display / lcd with touch screen operation. repeatability ( standard deviation ) 0.03 mg ( small range ) / 0.10 mg ( large range ) , linearity ±0.20 mg / ±0.10 mg, eccentric load 0.30 mg, calibration adjustment with internal weights, fully automatic calibration technology with temperature controlled, data memory function for keeping weighing data & calibration history data, 10 sensitivity drift ±2ppm / °c ( when automatic self calibration is not used ) stabilization ( typical and fast ) approx. 4.0 sec ( 0.1mg ) / 15 sec ( 0.01mg ) , size of weighing pan ~ 80 90 mm, shielding glass draft shield with flexible configuration protective cover for the terminal, replaceable feed through for weighing below the balance, power supply to be operable with 230 v ac, 50 hz power supply. accessories power supply cable with all accessories for operation, operating & service manual 2 sets ( of hard copies ) with calibration certificate of the balance. soft copy of instrument operating manual to be sent during the time of installation, interface standard bi directional rs 232 interface, dust cover one. , ups for the laboratory : 10kva 192v 8kw online ups , 16nos external battery module with iron rack, ups / automatic bypass facility, true double conversion online ups, microprocessor control for higher reliability. pure sine wave.input power factor correction. wide input voltage range ( 110 v – 300 v ) . generator compatible, selectable charging current allows flexibility to add any battery size, emergency power off , uv visible spectrophotometer : double beam ( 185 1100nm ) spectrophotometer with standalone colour lcd display with pc controlling software optical system: double beam, diffraction grating minimum 1800 lines / mm, scan speed :6000nm / min, 8 position sample holder, photometric details range must cover from 4 to + 4, bandwidth variable ( 0.2nm 6nm ) stray light < 0.05% t @ 220, 340 ( must cover less than 370nm ) , baseline flatness must cover + 0.006a, detector photodiode / single photodiodes / dual silicon photodiodes, power 240+ 10%, 50 60 hz, light source xenon flash lamp, wavelength details , accuracy must cover 1.0nm, measuring modes absorbance, transmittance ( % ) , concentration, operating modes: single wavelength, multiple wavelength, time scan, data presentation display analysis results and graphic data on screen, pc link software, port to data transfer, supplier should provide service for installation, demonstration, training for all operation procedure, temperature range operating conditions should cover +10 degree c to 40 degree, analytical quality assurance instrument should have internal quality assurance tools, certification must comply ce certificate. accessories: quartz cuvettes: 50mm length, 10mm, 20mm path length ( each 2 pairs ) , original catalogue to be enclosed. dedicated branded pc to be quoted with the system .should have manufacturer’s service centre in west bengal and details location to be mentioned in the quotation.. , vertical autoclave : quality systems for medical devices built: • floor standing vertical type top loading autoclave • outer dimensions: width 75 87 cm; height 90 110 cm; depth 65 80 cm software control:• fully microprocessor based proportional integral differential ( pid ) pressure control• controller and software should comply with international standards such as 21 cfr part 11 or any other equivalent.• should have facility to store identification codes and password codes for access level control• built –in memory to store number of cycles sensors:• should have in built platinum resistance temperature detector with a typical resistance of 100 o at 0°c that complies with international standards of safety requirements for electric equipment for measurement control and laboratory use, eg. iec61010 1, iec 61010 2 040 • option to connect additional temperature sensors and pressure sensors should be available display:• user interface should: • be easy to operate• have digital display enabling visualization of stage of the cycle, set and process temperature, pressure and quick access to important information • preferably have graphical display of temperature and pressure• have notification for replacement of filters after appropriate number of runs performed. chamber volume: should be not less than 100 litres and preferably should be 150 180 litres in capacity. suitable number of basket for bottle, vessels or agar media preparation should be quoted along with the instrument.chamber material: should be long lasting, made up of 316ti grade stainless steel of asme / ul grade chamber pressure: chamber should be designed to withstand at least 2.8bar / 142°c and should meet, european pressure equipment directive ( ped 97 / 23 / ec ) .2 | 2 chamber heating: should be heated uniformly by a heating plate on the outer wall with heater of suitable wattage for quick heating.chamber insulation: chamber should be completely insulated with chloride free glass wool. sterilization temperature range: 105°c to 137°c with accuracy of ± 0.1 deg c at 121 deg c & an additional isothermal temperature range of 60°c to 105°c. should have feature minimizes the time liquids are exposed to high temperatures during sterilization thereby protecting liquid media, saving laboratory time and reducing energy consumption. biohazard and waste management system: should have the facility to filter air removed from chamber before sterilization that isuseful for sterilization of biohazard waste.safety: • water level monitoring and maintenance of constant level for safety of heaters. • a safety device to prevent opening the door when the chamber is pressurized. • prevent starting of runs if doors are improperly locked.• safety feature should allow opening of doors only when the temperature reaches a pre set temperature and pressure reaches atmospheric pressure.power requirement: a suitable size of electrical switch gear 3 phase 440 volt with earthing andrecommended size of current capacity mccb will be made available on wall at appropriate place. other connection and installation has to be done by the supplier. , hydrometer , keen boxes , aluminium box , brass sieve , mortar and pestle , different types of augers: , screw type , post hole type , dutch type , stirrera. magnetic b. electric , khurpi , electric heater , room thermometer , gps machine , camera , lcd projector...

Indian Army - West Bengal

33496341 bids are invited for 1 ref gas r_22 refrigerant gas r_22. make mafron or refron or stallion 2 ref gas r_32 refrigerant gas r_32. make mafron or refron or stallion 3 ref gas r_134 refrigerant gas r_134. make mafron or refron or stallion total quantity : 240...

South Eastern Railways - West Bengal

33455951 supply of floron refrigerant gas r 407c.floron refrigerant gas r 407c., floron refrigerant gas r 407c ( gas to be supplied in firms own cylinder on returnable basis ) make: ecorane, floron or similar. => limited...

Indian Oil Corporation Limited - West Bengal

33380250 bids are invited for 8818261054 refrigerant gas, r134a 8869070104 freon 22 8862200204 ammonia, anhydrous 8862151074 argon gas, 99.999% purity 8837140254 oxygen gas f / industrial use , 99.5% 8801110014 acetylene gas ( da ) 8871121074 helium gas, 99.999% purity 8871081714 hydrogen, 99.999% purity 8835433604 nitrogen gas, 99.99 pure...

Metro Railway - West Bengal

33041066 supply of refrigerant gas r 407c .refrigerant gas r 407c .,refrigerant gas r 407c [having chemical name difluro methane,penta fluro ethane, 1,1,1,2 tetra fluro ethane & chemical formula ch2 f2 , cf3 chf2 , cf3 ch2f] conforming to is/iso 817:2014 make dupoint/mafron/kiro/freon/ecorane/fluoro/floron.n.b: : 1.certificate of analysis (coa) of gas to be provided during supply. 2. cylinder will remain in...

Bharat Heavy Electricals Limited - West Bengal

33015968 tender for annual maintenance along with supply of coolant/refrigerant gas for split and window air conditioner machines of bhel pser kolkata office and other premises of bhel pser in kolkata....

Bharat Heavy Electricals Limited - West Bengal

32868358 tender for annual maintenance along with supply of coolant/refrigerant gas for split and window air conditioner machines of bhel pser kolkata office and other premises of bhel pser in kolkata....

Bharat Heavy Electricals Limited - West Bengal

32868003 annual maintenance along with supply of coolant/refrigerant gas for split and window air conditioner machines of bhel pser kolkata office and other premises of bhel pser in kolkata....

Bharat Heavy Electricals Limited - West Bengal

32861208 annual maintenance along with supply of coolant refrigerant gas for split and window air conditioner machines annual maintenance along with supply of coolant refrigerant gas for split and window air conditioner machines of bhel pser kolkata office and other premises of bhel pser in kolkata....

South Eastern Railways - West Bengal

32240807 supply of r 407 refrigerant gasr 407 refrigerant gas, r 407 refrigerant gas ( 45 kgs / 47 kgs / cylinder ) with cylinder. ( gas to be supplied in firms own cylinder on returnable basis ) . coaching depot stores / src , west bengal 180.00 kg...

Eastern Railways - West Bengal

32046257 supply of refrigerant gas r 407c(capacity of 45 kgs)refrigerant gas r 407c(capacity of 45 kgs),refrigerant gas r 407c conforming to is : 15548/2005 or latest in returnable cylinder having the capacity of 45 kgs gas, make : floron,srf, mafron. sr.section west bengal 675.00 kg...

Eastern Railways - West Bengal

31987730 supply of refrigerant gasrefrigerant gas,refrigerant gas r 22 conforming to is: 5610/1993,reafirmed 2006 or latest in 61.0 kgs.returnable cylinders....

South Eastern Railways - West Bengal

31962444 supply of gas refrigerantgas refrigerant, gas refrigerant, freon 22, monochloro difluoro methane ( chclf2 ) colourless, odourless, non toxic, non flammable gas generally conforming to is:5610 / 1993 ( 2nd. rev. ) .similar to type of floron 22, mafron 22 etc....

Eastern Railways - West Bengal

31891713 supply of refrigerant gas r 407c(capacity of 45 kgs)refrigerant gas r 407c(capacity of 45 kgs),refrigerant gas r 407c conforming to is : 15548/2005 or latest in returnable cylinder having the capacity of 45 kgs gas, make : floron,srf, mafron. sr.section west bengal 675.00 kg...

Eastern Railways - West Bengal

31891655 supply of refrigerant gas r 407c(capacity of 07 kgs)refrigerant gas r 407c(capacity of 07 kgs),refrigerant gas r 407c conforming to is : 15548/2005 or latest in non returnable cylinder having the capacity of 07 kgs gas, make floron,srf,mafron sr.section west bengal 140.00 kg...

Eastern Railways - West Bengal

31787804 supply of refrigerant gasrefrigerant gas,refrigerant gas r 22 conforming to is: 5610/1993,reafirmed 2006 or latest in 61.0 kgs.returnable cylinders....

Eastern Railways - West Bengal

31665573 supply of thermal expansion valvethermal expansion valve,thermal expansion valve for rmpu of ac coaches, suitable for r 407c refrigerant gas, size 3/8 x 1/2, angleway solder type , as per danfoss make model no, 068u1939 or similar....

Eastern Railways - West Bengal

31401790 supply of procurement of refrigerant gas r 134a conforming to is:5610/1993, reafirmed 2006, in 62 kgs.capacity returnable cylinder.procurement of refrigerant gas r 134a conforming to is:5610/1993, reafirmed 2006, in 62 kgs.capacity returnable cylinder.,refrigerant gas r 134a conforming to is:5610/1993, reafirmed 2006, in 62 kgs.capacity returnable cylinder....

Eastern Railways - West Bengal

31384629 supply of refrigerant gas r407crefrigerant gas r407c, refrigerant gas r407c having chemical name difluoro methane penta fluoro ethane 1,1,1,2 tetra fluoro ethane and chemical formula ch2f2/cf3 chf2/cf3 ch2f for use in ac coaches in 52 kgs. net returnable cylinders. only manufacturers or their authorized dealers have to quote and pvc if any to be clearly spelt out with formula based on standard indices...

South Eastern Railways - West Bengal

31328773 supply of floron refrigerant gas r 407c capacity 45 kgs etc., floron refrigerant gas r 407c capacity 45 kgs ( gas to be supplied in firms own cylinder on returnable basis ) make: ecorane, floron or similar....

Eastern Railways - West Bengal

31244126 supply of thermal expansion valvethermal expansion valve,thermal expansion valve for rmpu of ac coaches, suitable for r 407c refrigerant gas, size 3/8 x 1/2, angleway solder type , as per danfoss make model no, 068u1939 or similar....

Eastern Railways - West Bengal

31181163 supply of refrigerant gas r 22refrigerant gas r 22,refrigerant gas r 22 conforming to is: 5610/1993,reafirmed 2006 or latest in 61.0 kgs.returnable cylinders....

Nhpc Limited - West Bengal

30972868 bids are invited for split air conditioner including green ac (q2) , window air conditioner including green ac (q2) , extra electrical cable for air conditioners (accessories) (q4) , extra refrigerant pipe for air conditioners(accessories) (q4) , ht tape (q3) , drain pipe for air conditioners (accessories) (q4) , metallic mount suitable for air conditioner (accessories) (q4) , refrigerant gas (q3) , modular electrical switchesand accessories (q3) , electrical plugs is 1293 (q3) ,miniature circuit breakers is 60898 1:2002 (q3) , nonmodular elecrical switches and accessories flush type is3854 (q3) , modular electrical enclosure switch board boxesfor modular type accessories (q3) total quantity : 142...

Eastern Railways - West Bengal

30586385 supply of refrigerant gas r 407crefrigerant gas r 407c,refrigerant gas r 407c , including cylinder , net weight of gas per cylinder = 50 kgs & gross weight of full loaded cylinder = 90.70 kgs , as per iso 817 : 2014 (e), make fluoro / floron or similar....

Eastern Railways - West Bengal

30350015 supply of r600a iso butaner600a iso butane,r600a iso butane refrigerant gas (can) suitable for use in refrigeration and air conditioning applications. net wt. of 1 can = 200 grams....

Eastern Railways - West Bengal

30300609 supply of procurement of refrigerant gas r 22 conforming to is: 5610/1993,reafirmed 2006 or latest in 61.0 kgs.returnable cylinders.procurement of refrigerant gas r 22 conforming to is: 5610/1993,reafirmed 2006 or latest in 61.0 kgs.returnable cylinders.,refrigerant gas r 22 conforming to is: 5610/1993,reafirmed 2006 or latest in 61.0 kgs.returnable cylinders....

South Eastern Railways - West Bengal

30288009 supply of capacitorcapacitor,3/5 nylon braided hose pipe for ac outlet drain water , capacitor 45 mfd , capacitor 50+6 mfd , capacitor 36 mfd , copper pipe (1/2) for split ac , copper pipe (1/4) for split ac page 1 of 3 run date/time: 15/12/2021 13:51:30adra div/south eastern rly tender document , wall mount stand for split ac , refrigerant gas r407/c , cylinder for r 407/c refrigerant gas => limited...

Department of Defence Production - West Bengal

30249091 bids are invited for 1. reciprocating type hermetically sealed compressor, 3 phase, 400v ac 50hz ( q3 ) , 2. scroll compressor, capacity 5.5tr, supply: 3phase, 50hz ac, suitable for refrigerant gas r ( q3 ) , 3. reciprocating type hermetically sealedcompressor, 230volt. ac, 1ph, working refrigerant ( q3 ) , 4. scroll compressor, capacity 5.8tr, supply:3phase, 50hzac, suita ble for refrigerant gas r22, model: zr8 ( q3 ) total quantity : 18...

Webel Technology Limited - West Bengal

30171341 selection of system integrator for capacity enhancement of west bengal state data centre ( wb sdc ) and setting up its dr site at remote location. 1 hpe storage dc ( primera 650 ) 450tb upgrade to 650tb ( +100tb ssd + 100tb sas ) 2 netapp storage dc ( aff a700 ) 170tb upgrade to 430tb ( +260tb ssd ) 3 blade server with 2 x intel 6238r 2.2ghz / 165w 28c / 38.5mb, 1536gb ddr4 2933mhz mem, 2x960gb 12g sas 10k rpm sff hdd, 12g sas raid controller with drive bays 4 blade chasis with converged network connectivity for 4x32gb fc, 4x10g fcoe and 2x40g connectivity, redundant 2500w platinum ac hot plug power supply 5 rack server with 2 xintel latest generation xeon® gold ice lake processors with minimum 2.0 ghz & 32coreper socket and 48 mb cache., 768gb ddr4 2933mhz mem, 4x1.2tb 12g sas 10k rpm sff hdd 6 red hat cloud infrastructure, premium ( 2 sockets ) with support for 3 years 7 high availability for unlimited guests with support for 3 years 8 dco, capacity & ito software license for dcim 20 each 9 edb postgres enterprise unicore per year license production db support plan for 3 years 10 edb postgres enterprise unicore per year license replica db support plan for 3 years 11 ems software per device for 3 years ( as per technical spec. ) 12 red hat enterprise linux standard for virtual datacenters with 1 yr standard subscription for 3 years 13 red hat openshift container platform ( bare metal node ) with run time, premium, 1 2 nodes upto 64 cores for 3 years 14 version control software with functional test automation 10 concurrent user, load runner professional foundation qty 1 ( 500 virtual users ) and application life cycle manager 10 concurrent user license with support for 2 years 15 ms sql standard latest version 16 my sql enterprise version ( 3 years ) 17 lotus domino email softeare with 500 user mail box 18 ddos first 2 years boq ddos protector appliance with sme dual power supply dc 19 10gbps pluggable optics ( xfp ) multimode sr for ddos 20 deployment of ddos protector in basic configuration at the customer site, including configuration, testing and tuning 21 ddos management va2 virtual appliance for management of 2 ddos protector physical devices for 2y 22 soar ( security orchestration automation response ) simplify platform base package premium. includes: 2 years license for platform, 3 analyst seats, 5 advanced reporting users, 24x7 premium support for 2 years incuding implementation & training 23 deep security software deep security enterprise per server ( vm ) 24 ddan deep discovery analyzer 25 vtl system, dd4200, ctl, nfs, cifs capacity upgrade to 75tb 26 integration of vtl with commvault tape library 27 ups 80 kvawith 30 mins battery backup for uninterrupted power supply to active tiles with necessary electrical cabling 28 lto 7 tapes for data backup 29 rack containment zone net work and server racks supply, installation, testing & commissioning of 42u server cabinet with extruded aluminium profile based frame with top panel; having static load bearing capacity of 1300 kg as per tender specifications. . dimensions: 2100mm x 750mm x 1200mm all complete as requiured and as per detailed specifications. racks, pdus, containment should be from same oem. 30 active tiles for 2nd, 3rd & 4th containment 31 perforated tiles for 3rd & 4th containment 32 supply, installation, integration with existing infra, testing & commissioning of 42u server cabinet extruded aluminium profile frame with top panel;having static load bearing capacity of 1300 kg as per tender specifications. . dimensions: 2200mm x 800mm x 1200mm all complete as required and as per detailed specifications. racks, pdus, containment should be from same oem 33 supply, installation, testing and intregation with existing infra, commissioning & intregation of single phase 32 a , 7 kw zero u vertical rack ipdu with combination of c 13 and c 19 sockets of total 36 nos. vde certified & rohs compliant as per technical specifications 34 supply, installation, testing andintregation with existing infra, commissioning of universal cold aisle containment including wall beams, end of row frames, dual sliding doors with provision for cctv cameras , fas detectors ( width 1200mm ) , necessary passive cabling, all complete as required and as per detailed specifications. ( for existing and new containment ) 35 supply, installation, testing andintregation with existing infra, commissioning of cctv camera near bms corridor, 4kl ug fuel tank, first floor entry, landing room 36 dismantling of existing false celing and existing electrical wiring, dbs, fire fighting system and modification of ac duct and opening of exit door at dr site 37 mineral fiber ceilingfalse ceiling of mineral fiber board at appropriateheight should be installed concealing any cabling tray and electrical lighting wiring in all areas except server / network room.the false ceiling tile should be dust free type and of noncombustible material. 1200 mmcross tee at every 600 mm c / c and 600mmcross tee at every 1200mm c / c max and wall angle all around the wall to form a grid of 600 mm x 600 mm and suspending the grid using 2mm gi rod and 6 mm raw plug at every 1200 mm intervals at the main tee and laying the ceiling tiles of size 595 mm x 595 mm x 15 mm over the formed grid having fire rating of 60 minutes as per bs 476 / 23 of 1987, noise reduction coefficient ( nrc ) of 0.50 0.60, to resist temperature and humidity conditions up to 40degree ( 104deg. f ) and humidity of 99% rh should be installed.all overhead cable trays will be secured to a rigid frame that carries the load either to the roof structure or to the floor slab. 38 metalceiling for server room false ceiling of metalboard at appropriateheight should be installed concealing any cabling tray and electrical lighting wiring in all areas except server / network room.the false ceiling tile should be dust free type and of noncombustible material. 1200 mmcross tee at every 600 mm c / c and 600mmcross tee at every 1200mm c / c max and wall angle all around the wall to form a grid of 600 mm x 600 mm and suspending the grid using 2mm gi rod and 6 mm raw plug at every 1200 mm intervals at the main tee and laying the ceiling tiles of size 595 mm x 595 mm x 15 mm over the formed grid having fire rating of 60 minutes as per bs 476 / 23 of 1987, noise reduction coefficient ( nrc ) of 0.50 0.60, to resist temperature and humidity conditions up to 40degree ( 104deg. f ) and humidity of 99% rh should be installed.all overhead cable trays will be secured to a rigid frame that carries the load either to the roof structure or to the floor slab. 39 raised floor supply & installation of stepped raised floor .the floor panels shall be of size 600mm x 600mm fabricated entirely from non combustible component which shall be 100% interchangeable and shall consist of flat steel top sheet, resistance welded to steel bottom section finished with anti corrosive and conductive paint. pedestal assembling: consisting of 100x100x2 mm thick galvanized ms base plate die pressed fully welded to 1.6mm thick galvanized ms pipe to engage the pedestal head assembly. the pedestal head shall be 90x90mm, 4mm thk assembly consisting of an embossed steel plate having 4 holes with 6mm thk taping for fastening of stringer and locating of tile. care to be taken to achieve the zero levelling. 40 double cup tile puller 41 ramp: its sub floor elements must be sufficient to support fully loaded heavy equipment weighing at least 1600 kilograms.ramp will be having lines with non skid type mats on lining. the angle of inclination for ramp should not be more than 10 degree. 42 steps: providing steps at the location shown in layout to match raised floor level to true floor level. the steps will be having lines with non skid type mats on liningthe height of single step should not be more than 250 mm and width should not be less than 250 mm. 43 tharmal insulation with 19 mm nitrel rubber 44 providing and applying approved emulsion low voc paint in three or more coats of approved brand and shade to internal sufaces ( walls / partitions / ceiling or any other location as directed ) , to give an even shade to the approval of the engineer, including putty & horoughly brushing the surface free from foreign matter, sand papering smooth, filling in all holes and cracks , applying lambi / palti and rubbing down the surface, lambi / palti sandwitched with two coats of approved primer, rate to include all tools, labour, scaffolding, primer as required completed as directed by the engineer. 45 fire rated paint with putty work for server room and electrical room 46 fire rated partition : providing and fixing in position full height partition wall of 100 mm thick fire line gyp board partition using 12.5 mm thick double fire line gypboard on both sides with gi steel metal vertical stud frame of size 50 mm fixed in the floor and ceiling channels of 50 mm wide to provide a strong partition. glass wool insulation inside shall be provided as required. fixing is by self tapping screw with vertical studs being at 610 mm intervals. the same should be inclusive of making cut outs for switch board, sockets, grill etc. it shall also include preparing the surface smoothly and all as per manufacture’s specification etc. finally finishing with one coat of approved brand of fire resistant coating. ( server room and electrical room ) 47 non fire rated partition : providing and fixing in position full height partition wall of 100 mm thickgyp board partition using 12.5 mm thick double fire line gypboard on both sides with gi steel metal vertical stud frame of size 50 mm fixed in the floor and ceiling channels of 50 mm wide to provide a strong partition. glass wool insulation inside shall be provided as required. fixing is by self tapping screw with vertical studs being at 610 mm intervals. the same should be inclusive of making cut outs for switch board, sockets, grill etc. it shall also include preparing the surface smoothly and all as per manufacture’s specification etc. finally finishing with one coat of approved brand of fire resistant coating. 48 fire rated door 2400 x 1500 double leaf in equal door 49 panic bar for fire exit door 50 fire rated door 2400 x 1000 single leaf 51 main flash door at data centre entrance double leaf 1500 x 2400 52 bms and manager room flash door single leaf 1000 x 2400 mm 53 liner work station 54 hydrolic lo back chair 55 cleanning & house keeping till hand over the project including debrise cleanning and out from site. 56 sinages as required considering all rooms, danger plat, push, pull, fire exit, emergency exit, 57 drawing & design cost 58 strutural steel with stair case 59 main power distribution panel : supply installation testing commissioning for main data centre panel. making of crca powder coated sheet, having incommer 200 a 4 pole mccb with 36 ka. out going : 100 a 4 pole mccb 3 nos, 63 a 4 pole mccb 4 nos, 32 a 4 pole mcb 6 nos, with multifunction meter with communication port ( rs 485 ) & r, y, b, on, off, trip indication led lamps & 500 a rated aluminium bus bar. 60 ups output panel : incomer 2 nos 100a 4 pole mccb with metering ( mfm with rs 485 port , indication lamp and control mcbs ) outgoing 32a dp 18 nos 61 lighting dbs, bms dbs and raw power dbs 62 4 run x 25 sq.mm. copper flexible cable for 40 kva ups input and output cable 63 4 core 240 sq.mm. al. armured cable incomer supply 64 4 run x 10 sq.mm. copper flexible cable for lighting db, power db , bms dbs and pac 65 50 sq.mm. copper flexible cable for earthing. 66 3 corex 4 sq.mm. copper flexible cable for server rack 67 supply laying and commissioning of power points by 25 mm pvc conduit and 2.5 sqmm copper wire for power points and 1.5 sq.mm copper wire for lights points includingmodular switch sockets & all accessories. 68 supply fixing and commissioning of power points for server racks including 32 a 3 pin industrial socket 69 supply installation testing commissionong of chemical earthing with 17.5 sq.mm. copper bonded pipe for electrod, chemical compund as per isi, chamber high duty polycarbonet cover etc. 70 supply and fixing of 25 x 6 mm g.i strip for 71 earh bus bar box with copper strip 72 10 sqmm single core cable for dgs earthing, ups earting and server rack earthing 73 light point wiring with 3 x 1.5 sqmm copper flexible wire and pvc conduit with modular switch & accessories 74 light fixture 36w 2ft x 2 ft led tupe 75 occupency sensor 76 cable tray and raceway : 77 300 x 50 mm ladder g.i cable tray with support arrangement 78 200 x 50 mm g.i perforated cable tray with support arrangement ( power ) 79 200 x 50 mm g.i perforated cable tray with support arrangement ( data ) 80 ms structural steel for cable tray support and panel base frame 81 supply & laying of anti static rubber mate 1.1 kv tested for electrical room as per isi 82 shock treatment chart 83 first aid box 84 cost for devloping of all gfc & as built drawings as per recomendated size encluding design . 85 ups 3x20 kva modulerups with 30 mins battery backup and all accessaries ( expandable upto 4x20 kva ) 86 precision ac for server room supply of variable speed dc brushless inverter compressor based precision air conditioning units; with totallydouble skin side panels with min 15mm 32 kg / cum pu sheet internal insulation , bottom discharge type complete with dynamically balanced fan driven by electronically commutated ( ec ) motor, hydrophilic coated slant / flat cooling coil. the unit shallbe equipped with high efficiency filters ( g4 ) of minimum 100mm thick, micro processor based programmable logic controller, liquid receiver, oil separator, llsv, nrv, ss drain tray with nitrile rubber insulation , al strip heater & modulating electrode steam humidifier etc. factory performance testing ( fat ) shall be carried in presence of customer’s representative. pac should have provision for connecting separate input power of ups power for fans and controller; raw power for other components. 10.5tr net sensible capacity@ 7000 cfm at 25 pa esp ; based on returnair conditions: 35 + / 1 deg. c, rh 25% and ambient temperature 87 g i hard drawn drain piping 88 supply, installation, testing & commissioning of gi class ‘b’ cut to required lengths and installed with all screwed joints, and providing and fixing in position with the necessary elbows, tees and reducers as per specifications. it shall be insulated with 9 mm thk nitrile rubber insulation. humidifier piping ( assumption of 40 rmt / unit ) 25mm dia all complete as required. 89 supply, lifting, shifting, & installation ofms stands for indoor pac units with rubber pads. the frame shall be painted with one coat of metal primertwo coats rust proof epoxy paint. the stand shall be height adjustable type ± 25mm for server room stands all complete as required. 90 refrigerant piping: hard copper piping ( 7 / 8 liquid + 1 1 / 8 gas ) along with closed cell elastomeric nitrile rubber insulation. refrigerant pipe cost shall incude required neccessary supporting arrangement of hanging , wall fixed type. cost of wall chasing / breaking and finish, etc all complete as required. 91 refrigerant gas r410a all complete. 92 refrigerant oil all complete as required. 93 supply, laying, installation, testing & commissioning of interconnection cable ( 3c x2.5 sq mm, armoured cable ) between indoor & outdoor unitsall complete. 94 seq cat6 cable for multiple indoor units all complete. 95 supply & installation of ms stands for outdoor pac condenser units with rubber pads. the frame shall be painted with one coat of metal primer and two coats rust proof epoxy paint all complete. 96 providing and fixing of fire sealant to close the cut outs of cables, refrigerant pipes and tray all complete as required. 97 copper piping with electrical wirings for the above 98 it hardware requirement at dr site: blade server ac2 chassis with fans ( as per details specification shared seperately 99 blade with 02 cpu, 1tb memory, 2*960gb ssd 100 san switch : 16g fc switch, w / 48 active ports + 16g sw sfps 101 certificate server / rack server 102 desktop computer set 103 l3 switch 48 port 104 l2 switch 105 router 106 it software requirement at dr site: red hat cloud infrastructure, premium ( 2 sockets with guest os ) open stack with smart management 107 high availability for unlimited guests 108 vmware vcloud suite subscription per cpu per year commitment plan 60 month prepaid + vcentre 1 nos 109 ems software per device / vm for 5 years 110 deep security enterprise per server ( vm ) for 5 years 111 redhat enterprise linux standard for virtual datacentres with 1 yr standard subscription for 5 years 112 san storage capacity requirement at dr site: hpe san storage ( primera 650 ) with 650 tb ( nl sas ) + 50 tb ssd 113 netapp san storage ( aff a700 ) with 430 tb ( nl sas ) + 100 tb ssd features mentioned below 114 enterprise firewall as per specification mentioned / equivalent 115 24 port ( all ) poe+ ( 190w ) switch with 2 sfp uplink ports for cctv 116 10m hdmi cable. 117 performance lite 2 mp ip eyeball camera fixed lens. 118 cat 6 cable 119 performance lite 2 mp ip bullet camera fixed lens. 120 h265 4k 32ch nvr no poe. 121 conduit 25 mmm pvc 122 49 colour monitor industrial duty 123 9 u network rack 124 2 door access controller 125 supply of smps for door controller. 126 supply & installation of door controller enclosour. 127 biometric reader 128 card reader 129 supply of l and u bracket. 130 double door em lock 600 lbs with led 131 z bracket for 600lbs em lock. 132 600lbs electromagnetic lock unmonitored type 12v led lamp only for singleleafe door. 133 magnetic contact 2 wire. 134 supply of acs workstation intel® quad core, 2.8ghz or higher, 8 gb ram, 100 gb free disk space, dual ethernet 10 / 100mbs, software requirements:* microsoft windows 10 ( enterprise ) 64 bits* microsoft .net framework v4.0 135 exit button 3 inches x 1 inch. 136 smart access card 137 access control software 138 supply installation testing & commissioning of addressable optical smoke detector, smoke detection by : photo electric light scattering. 139 supply installation testing & commissioning of addressable heat detector, detection technology : thermistor / ror 140 supply installation testing & commissioning of addressable manualcall point with built in isolator and dil switch for address setting 141 supply installation testing & commissioning of the loop powered 100 db sounder base with beacon 142 supply installation testing & commissioning ofaddressable control module 143 supply installation testing & commissioning ofaddressable monitor module 144 supply installation testing & commissioning ofaddressable isolator module 145 supply installation testing & commissioning of 2 loop fire alarm panel with 126 addresses per loop, battery and accessories as per requirement. battery back up 146 2 core x 1 sqmm copper flexible frls cable 147 20 mm pvc conduit 148 abc type fire extingusher 5 kg 149 sitc of short wavelength laser based ultra high sensitive aspiration smoke detector with resolution of 0.00006% obs / ft ( 0.0002% obs / m, ) , 4 pipe inlets, shall support minimum 100 meters pipe length per pipe inlet with cumulative pipe length up to 550 meters for one single detector, 4 alarm levels, optional auto cleaning mechanism for detection chamber, on board dual stage filter with memory, built in event memory of 20000 events, pipe wise 4 stage flow monitoring, led indications for alarm and fault conditons. detector shall support as an inbuilt colour touch screen 3.5 display for status monitoring including smoke level bar graph, analytics to determine nature of sampled airborne particles ( dust, diesel & pvc wire burning ) , connectivity using rs485 & tcp / ip, wi fi support for monitoring using smart phones, connection of additional displays for remote monitoring. 150 sitc of power supply units power supply unit with 110 / 230vac input and 18 to 29vdc output. the power supply unit has the following indications:ok green led and fault yellow led power supply unit should have capacity to operate on battery backup in case of ac mains failure & should have built in charging circuit for batterys. 151 sitc of trunk adaptor, capillary tube connector, capillary tube, capillary sampling point, sampling point label red ( complete set ) for air sampling in room voids for area having false ceilings. 152 sitc of sampling pipe having smooth bore pvc pipe 25mm outer dia & 19 to 21mm inner dia with all required accessories. 153 supply, installation, testing and commissioning of 2 zone water leak detection panel ( for server room and electrical room ) 154 water leak detection cable sensor – 25 mtrs 155 electronic hooter 156 sitc of 2 x 1.0 sq mm screened copper flexible cable 157 sitc of main rodent controller suitable to connect 24 satelites @ 300sft at room area and 150 at ceiling and floor area.server room 158 sitc of satellite stations / transducers covering 159 cable and conduits 160 2 core 1 sq.mm cu. flexible shielded cable @ 275 meter each coil 161 20 mm pvc conduit 162 console 163 stand brackets 164 120 ltrs tank and valve assembly with solenoidactuator, straps empty ( fill 60 100 kgs. ) 165 fire suppression fluid novec1230, oem factory fill per kg 166 cylender accessories 167 cylinder strap 168 pneumatic actuator shipping assembly 169 local manual actuator 170 flexible discharge hose 49 mm / swivel adaptor 171 flexible actuation hose / pilot hose 172 nozzles, brass drilled 360 / 180 deg throw selection 173 led type display sign board flashing with inbuilt sounder “evacuate gas released” & “do not enter” 174 49 mm manifold check valve 175 pressure switch dpst 176 manual relelase switch 177 abort switch 178 m.s. seamless pipes as per astm a 106 gr. b, schedule 40 with necessary fittings & hangers. 179 2 way manifold 180 ms channel support 181 gass release panel 182 cross zoning detector 183 hooter with strobe 100 db 184 building management system application 185 6kva online ups with 20 minutes backup 186 structured cabling & server racks: 10 m cat 6 cable 187 15 m cat 6 cable 188 25 m cat 6 cable 189 cat 6 utp cable roll of 305 mtrs 190 12mtp / f 12mtp / f trunk cable, om4, lszh, 15m, polarity reversed, low loss 191 12mtp / f 12mtp / f trunk cable, om4, lszh, 25m, polarity reversed, low loss 192 lc lc fiber duplex patch cord om4 multimode 3 meter 193 lc lc fiber duplex patch cord om4 multimode 5 meter 194 24 core fiber cassette ( mpo ) ab / ba pair flipped 24 core fiber mpo lc cassette, pair flipped ab / ba, multi mode 195 trunk cable ( mpo mpo ) 25meter mpo mpo trunk male cable, 12 fiber straight, 50.125 om4 lszh multimode 196 trunk cable ( mpo mpo ) 15meter mpo mpo trunk male cable, 12 fiber straight, 50.125 om4 lszh multimode 197 dr site installation, commissioning & system integration charges 198 server rack supply, installation, testing & commissioning of 42u server cabinet extruded aluminium profile frame with top panel;having static load bearing capacity of 1300 kg as per tender specifications. . dimensions: 2200mm x 800mm x 1200mm all complete as required and as per detailed specifications. racks, pdus, containment should be from same oem 199 network rack with pdu 200 manpower requirement for 24x7 support: bms person 3 persons for 5 years 201 it l1 / l2 2 persons for 5 years 202 dedicated dc dr link & ill 500 mbps dc dr lc with 1 year arc 203 100 mbps ill for with 1 year arc 204 providing of 2 nos physical security for sdc.fy 23 24 205 providing of 2 nos physical security for sdc.fy 24 25 206 providing of 2 nos physical security for sdc.fy 25 26 207 fm cost for 5 years as per requirement mentioned in existing dco terms & conditionsfy 23 24 208 fm cost for 5 years as per requirement mentioned in existing dco terms & conditionsfy 24 25 209 fm cost for 5 years as per requirement mentioned in existing dco terms & conditionsfy 25 26 210 amc / support cost for lt ( software and hardware ) equipmentfy 23 24 211 amc / support cost for lt ( software and hardware ) equipmentfy 24 25 212 amc / support cost for lt ( software and hardware ) equipmentfy 25 26 213 amc / support cost for non lt equipment ( 2nd floor ) fy 23 24 214 amc / support cost for non lt equipment ( 2nd floor ) fy 24 25 215 amc / support cost for non lt equipment ( 2nd floor ) fy 25 26 216 amc / support cost for non lt equipment ( 1st floor ) fy 23 24 217 amc / support cost for non lt equipment ( 1st floor ) fy 24 25 218 amc / support cost for non lt equipment ( 1st floor ) fy 25 26 219 amc / support cost for pac, ups, panel & dg. ( 1st floor ) ) fy 23 24 220 amc / support cost for pac, ups, panel & dg. ( 1st floor ) ) fy 24 25 221 amc / support cost for pac, ups, panel & dg. ( 1st floor ) ) fy 25 26 222 cost of dedicated operation and amc support for rsa siem for wbsdc through l2 level engineerfy 22 23 223 cost of dedicated operation and amc support for rsa siem for wbsdc through l2 level engineerfy 23 24 224 cost of dedicated operation and amc support for rsa siem for wbsdc through l2 level engineerfy 24 25 225 cost of dedicated operation and amc support for rsa siem for wbsdc through l2 level engineerfy 25 26 226 amc / support cost for ups batteries for 2 years ( 4th & 5th years ) , post initial 3 years warranty period for 204 cells of 2v / 357ahfy 23 24 227 amc / support cost for ups batteries for 2 years ( 4th & 5th years ) , post initial 3 years warranty period for 204 cells of 2v / 357ahfy 24 25 228 amc / support cost for ups batteries for 2 years ( 4th & 5th years ) , post initial 3 years warranty period for 204 cells of 2v / 357ahfy 25 26 229 professional support services for one database and one system administrators with effect from 1.4.2022fy 22 23 230 professional support services for two database and two system administrators with effect from 1.4.2022fy 23 24 231 professional support services for three database and three system administrators with effect from 1.4.2022fy 24 25 232 professional support services for three database and three system administrators with effect from 1.4.2022fy 25 26 233 vodafone / other isp 1000 mbps ill for wbsdc for 1 year upto 31.03.2022fy 21 22 234 vodafone / other isp 1000 mbps ill for wbsdc for 1 year upto 31.03.2023fy 22 23 235 vodafone / other isp 1000 mbps ill for wbsdc for 1 year upto 31.03.2024fy 23 24 236 vodafone / other isp 1000 mbps ill for wbsdc for 1 year upto 31.03.2025fy 24 25 237 vodafone / other isp 1000 mbps ill for wbsdc for 1 year upto 31.03.2026fy 25 26 238 amc & upgrade of old sdc cloud servers ( 4 ) fy 22 23 239 amc & upgrade of old sdc cloud servers ( 4 ) fy 23 24 240 amc & upgrade ( 30 to 75tb ) of dell vtl of old sdc cloud system period from 1 / 4 / 2022 to 31 / 3 / 2023fy 22 23 241 amc of upgraded dell vtl of old sdc cloud system period from 1 / 4 / 2023 to 31 / 3 / 2024fy 23 24 242 amc & upgrade ( 75 to 100tb ) of dell vtl of old sdc cloud system period from 1 / 4 / 2024 to 31 / 3 / 2025fy 24 25 243 amc of upgraded dell vtl of old sdc cloud system period from 1 / 4 / 2025 to 31 / 3 / 2026fy 25 26 244 amc / ats & upgrade ( from 40 to 60tb ) of commvault backup system from 2023fy 23 24 245 amc / ats ( 60tb ) of commvault backup system from 2023fy 24 25 246 amc / ats ( 60tb ) of commvault backup system from 2023fy 25 26 247 amc of wbsdc new cloud ( blade ) servers lot onefy 23 24 248 amc of wbsdc new cloud ( blade ) servers lot onefy 24 25 249 amc of wbsdc new cloud ( blade ) servers lot onefy 25 26 250 amc of netapp san storage ( 430 tb ) for the period from 2023fy 23 24 251 amc of netapp san storage ( 430 tb ) for the period from 2023fy 24 25 252 amc of netapp san storage ( 430 tb ) for the period from 2023fy 25 26 253 amc of wbsdc new network ( sdn ) infrastructurefy 23 24 254 amc of wbsdc new network ( sdn ) infrastructurefy 24 25 255 amc of wbsdc new network ( sdn ) infrastructurefy 25 26 256 amc & upgrade of redhatopenstack cloud software license sa for fy 23 24 257 amc & upgrade of redhatopenstack cloud software license sa for fy 24 25 258 amc & upgrade of redhatopenstack cloud software license sa for fy 25 26 259 renewal of rsa software product licenses with oem support for 1 yearfy 22 23 260 renewal of rsa software product licenses with oem support for 1 yearfy 23 24 261 renewal of rsa software product licenses with oem support for 1 yearfy 24 25 262 renewal of rsa software product licenses with oem support for 1 yearfy 25 26 263 soar ( security orchestration automation response ) software license renewalfy 24 25 264 soar ( security orchestration automation response ) software license renewalfy 25 26 265 ddos 10gbps additional 1 years subscriptionfy 24 25 266 ddos 10gbps additional 1 years subscriptionfy 25 26 267 dc augmentation installation, commissioning & system integration charges 268 deep security enterprise software license additional 150 vms for 2 years during fy 21 22 269 deep security enterprise software license additional 50 vms for 1 years & license renewals for all existing licenses during fy 22 23 270 deep security enterprise software license additional 50 vms for 1 years & license renewals for all existing licenses for yearfy 23 24 271 deep security enterprise software license additional 50 vms for 1 years & license renewals for all existing licenses for yearfy 24 25 272 deep security enterprise software license additional 50 vms for 1 years & license renewals for all existing licenses for yearfy 25 26 273 edb postgres enterprise license cpu core support renewal / upgrade production support ( including replica db servers ) fy 21 22 274 edb postgres enterprise license cpu core support renewal / upgrade production support ( including replica db servers ) fy 22 23 275 edb postgres enterprise license cpu core support renewal / upgrade production support ( including replica db servers ) fy 23 24 276 edb postgres enterprise license cpu core support renewal / upgrade production support ( including replica db servers ) fy 24 25 277 edb postgres enterprise license cpu core support renewal / upgrade production support ( including replica db servers ) fy 25 26 278 vmware vcloud suite subscriptionper cpu 20 cpus commitment plan 12 month prepaid with supportfy 22 23 279 vmware vcloud suite subscriptionper cpu 20 cpus commitment plan 12 month prepaid with supportfy 23 24 280 vmware vcloud suite subscriptionper cpu 20 cpus commitment plan 12 month prepaid with supportfy 24 25 281 vmware vcloud suite subscriptionper cpu 20 cpus commitment plan 12 month prepaid with supportfy 25 26 282 dc dr lc & ill arc for dr sitefy 22 23 283 dc dr lc & ill arc for dr sitefy 23 24 284 dc dr lc & ill arc for dr sitefy 24 25 285 dc dr lc & ill arc for dr sitefy 25 26 286 capacitor bank change of old upsfy 21 22 287 capacitor bank change of old upsfy 24 25 288 electrical earth pit repair / reconstructionfy 22 23 289 dg repair / replacement due to aging / obsolescencefy 22 23 290 dg repair / replacement due to aging / obsolescencefy 24 25...

Eastern Railways - West Bengal

30012749 supply of refrigerant gas r 407crefrigerant gas r 407c,refrigerant gas r 407c , including cylinder , net weight of gas per cylinder = 50 kgs & grossweight of full loaded cylinder = 90.70 kgs , as per iso 817 : 2014 (e), make fluoro / floron or similar....

All India Radio - West Bengal

29807229 operation and maintenance of 4 x 90 tr. capacity central air conditioning plant, 2 x 7.5 tr. capacity air cooled a.c. plant, 32000 c.f.m. capacity forced ventilation system and operation of 2 nos. 25000 cfm capacity vrf type ahu at film studio, ac system in animation, sound, editing building, small studio, academic block, amcs including window type, split type air conditioner units at srfti, kolkata during 2021 22. sh supplying of refrigerant gas and compressor oil...