National Institute Of Science Education And Research has published Supply, Installation, Testing And Commissioning Of Additional Chiller And Ahu With Accessories And Compatible Bms In Existing System At Sbs Animal House Building, Niser Campus, Jatni. Submission Date for this Tender is 27-02-2023. Air Handling Unit Tenders in Khordha Odisha. Bidders can get complete Tender details and download the document.
| Sr No | CorrigendumDate | Corrignedum | CorrigendumType | NewSubmissionDate |
| 1 | 21-Feb-2023 | PreBid Meeting | Financial Bid | 27-02-2023 |
| Sl. No. | Item Description |
| 1 | Supply, installation, testing andcommissioningof microprocessor based Energy Efficient air cooled Screw compressor Chiller unit (Model as per OEM), Actual Capacity: : 150. TR having efficient Semi Hermetic VFD Screw compressors. Chilling machine described above and complete in all respects as follows for the operating parameters as given under. Cooling Capacity : 150 TR Chilled Water In Temperature : 11 Deg C Chilled Water Out Temperature : 6 Deg. C Chiller Fouling Factor : 0.0001 or better Design Ambient Air Temperature : 42 Deg. C Voltage - Phase - Frequency (V-X-Hz) : 400V+/- 10% - 3Ph - 50Hz +/- 3% Control Voltage (Volts) : 210-240 V Minimum % capacity reduction : 25% BMS Link : With MODBUS or BACNET Protocol Start Mode : VFD Unit Starting Current as rated by OEM : 50, Max. allowable operating current (Amps) at 400V, per Compressor : as rated by OEM , Unit Operating Current : as rated by OEM Power Consumption Of Chiller / TR At Tender Condition Mentioned Above - =1.48 (including condenser Fan Power), COP At AHRI Condition - =3.0 (Including Condenser Fan Power), EER (Btu/W-h) :8.26 The scope shall include 19 mm thick polyvinyl nitrile rubber insulation duly cladded between aluminium sheets of 0.5 mm thickness and properly clamped to pump & Anti-vibration pads over RCC / cement floor complete etc as required.(Minimum 25HP) Frame work for mounting the above condenser, fans, chiller compressor and motor with base plate complete with anti-vibration pads/springs complete etc as required. Initial / first charge of refrigerant gas, lubricating oil and compressor oil etc as required. Water flow switches at outlet of chiller, water drain, air purge valves, thermometers and pressure gauges etc. as required. Make-Voltas / Kirloskar |
| 2 | Supply, installing, testing and commissioning of factory built, tested skid mounted end suction Long Coupled Pumps for outdoor application and and each pump will having following accessories, Butterfly valve on suction and discharge each, Two pressure gauges, Spring vibration isolators on both suction and discharge and Non return valve on discharge. Individual skid for 3 nos pumps (2 working and1 Standby) Pipe work, accessories, pumps shall be suitable for PN-16 rating, complete with motor, drain valves and other accessories. The motor selected shall be energy efficient having efficiency above 90% at full load & minimum efficiency of pump shall be 70%. Pumps shall have mechanical seal and MS casing & Bronze Impeller, SS Shaft. The pump motor shall be 4 Pole - 1440 rpm of IE-2 class efficiency, TEFC Squirrel cageclass -F insulation, suitable for 415 Volts ± 10%, 50 cycles, 3 phase power supply. Vendor shall be provide with antivibration arrangement for pumps. It should be designed that the complete unit is balanced & free from vibrations with necessary vibration isolations whereever required. The pump be capable of delivering Water flow rate 375 USGPM( 1425 LPM ) & at Head 25 mtr.. The scope shall include 19 mm thick polyviny nitrile rubber insulation duly cladded between aluminium sheets of 0.5 mm thickness and properly clamped to pump & Antivibration pads overRCC / cement floor complete etc as required.(Minimum 25HP)KIRLOSKAR / ARMSTRONG / GRUNDFOSS / KSB |
| 3 | Supplying,fixing,testingandcommissioningoffollowingvalves,strainers, gauges in the chilled water plumbing line, pre-insulated to the same specifications as the connected piping and adequately supported as per specifications etc complete as required.(Suitable for PN 1.6). Make: CR Valves/ Audco/ Advance/ Leader/ Inter valve/ Kirloskar BALANCING VALVE WITH BUILT IN MEASURING FACILITY of 150 mm |
| 4 | C.I. Butterfly valve 150mm |
| 5 | Y strainer 150 mm |
| 6 | non return valve 150 mm |
| 7 | pressure gauge |
| 8 | Thermometer |
| 9 | MS pipe work 150 mm dia |
| 10 | Pipe accessories 150 dia |
| 11 | MS pipe 80mm dia |
| 12 | pipe accessories 80mm dia |
| 13 | butterfly valve 80 mm dia |
| 14 | Three way motorized valve |
| 15 | Automatic air ventvalve 32 mm |
| 16 | Motorized On off type duct mounted GI volume controle damper |
| 17 | Ducting .8 mm thick |
| 18 | Chilled water AHU with >42mm PUF panel and double skin construction complete with thermal break and BACKWARD CURVED AEROFOIL BLADES, PLUG TYPE centrifugal fan mounted on the GI base frame along with motor, with vibration isolation pads.The AHU shall have two stage filtration with G4 prefilters in prefiltersection and F8 finefilters in finefilter section, 10 Row deep chilled water cooling coil section with cooling coil and with min. 2/3 row deep Wrap around coil , blower section with blower, heater section for 4 stages with heaters connected in star connection, outlet mouth connection with damper for air balancing. The blower shall beof a static pressure125mm WC , AHUs shall have provisions for connecting the pressure sensors, temperature sensors etc as per the requirement. The AHU can be in “double decker” arrangement to fit within the available space. All the motors supplied shall be VFD compatible.Including the variable frequency drives(VFD) with Harmonic suppressants/ filters such that THD do not exceed 3%for followingAir Handling Units.Variable frequency drives shall be provided with necessarycontrollerscompletewith control wiring in all respects as required and as per specifications ans as per required for the AHU.Along with Double tube finned air heaterin supply air section of capacities as mentioned below in tabular form along with rating of AHUs ( equally distributed over the 3 phases). The scope shall include: 1. Heating thermostat (TH) for temperature control 2. Air flow switch for switching off heaters in case of no air flow, 3. Humidistats (HU) for humidity control, Complete with interwiringincluding suitable rated PVC / XLPE insulated copper cable, connection thimbles, AHU mounted Contactor complete with suitable incomming electrical isolator/mcb for strip heaters in weather proof enclosure, clamps, loop earthing etc , terminal electrical distribution board, glass insulated flexible wires for connection of heaters, fire rated fillings at duct crossing etc. as required.AllAHU shall be EUROVENT certified.Blower shall be of 4500cfm and the AHU to deliver 45TR. UVGI lamps - UVC emitter ( Each AHU will have combination of 2 feet long UVC lamps, each lamp shall cover effectively 4sqft of area ) in coil section of AHU. The scope shall include electrical wiring connection with suitable size XLPE/PVC insulated copper conductor multicore cable and electrical isolator/switch for suitable capacities. The purpose of these UVC emitters is to improve indoor air quality (IAQ) by eliminating mould, bacteria and other contaminants in downstream section etc complete as required.Note: AHU Make: VTS/Citizen/Flact woodsVFD Make – ABB / DANFOSS / ALLEN BREDLY |
| 19 | VAV box with controller for bms conroling and mounting that should be compatibility with existing system(Supply, Installation, Testing and Commissioning of VAV box with controller for variable volume supply or extract systems. Consists of casing with damper blade which when closed complies with the air leakage requirements of DIN 1946, Part 4, includes integral averaging differential pressure grid and factory pre-wired control components. Site measurement and adjustment of factory-set minimum and maximum volume flow rates can be made. Casing air flow leakage according to Class II, VDI 3803 or DIN 24194. Pressure difference range 20 to 1500 Pa, volume flow range, depending on controls used, up to 10:1. The VAV should be compatable for BMS controlling and monitoring.) |
| 20 | Insulated expanson tank 1000 ltr capacity |
| 21 | BMS compatibility with existing systemwith . Data cable for BMS connection 150 mtr . |
| 22 | Supplying and making straight through joint with heat shrinkable kit including ferrules and other jointing materials for following size of PVC insulated and PVC sheathed / XLPE aluminium conductor cable of 1.1 KV grade as required 3X 150 sqmm aluminium cable |
| 23 | 3X6 sqmm copperISI marked, FRLS PVC insulated |
| 24 | Control cable 2 C X 1.5 sqmmISI marked, FRLS PVC insulated |
| 25 | Control cable 4 C X 2 sqmm ISI marked, FRLS PVC insulated |
| 26 | Dismantling existing pipe and instalation of new M/S pipe Nominal size 200 mm dia including all support(Supplying, laying/ fixing, testing and commissioning of following nominal sizes of chilled water piping inside the building (with necessary clamps, vibration isolators and fittings but excluding valves, strainers, gauges etc.) duly insulated with 80 kg/ cum density resin bonded fiber glass or 144 Kg / cum density mineral wool insulation (non combustible) pipe section insulation covered with a layer of 120 gm/sqm polythene sheet (vapour barrier) and finally applying 0.63mm aluminium sheet cladding complete with type3 , grade 1 roofing feltstrip(as per IS:1322 as amended up to date ) at joints and repairing of damage to building etc. as per specifications and as required. Note:The Pipes of sizes 150mm & below shall be M.S. ‘C’ class as per IS : 1239 and pipes size above 150mm shall be welded black steel pipe heavy class as per IS: 3589, from minimum 6.35mm thick M.S. Sheet for pipes upto 350 mm dia. and from minimum 7mm thick MS sheet for pipes of 400 mm dia and above . ) |
| 27 | Dismantling of existing pipe and instalation of new M/S pipe Nominal size 100 mm dia including all support( Supplying, laying/ fixing, testing and commissioning of following nominal sizes of chilled water piping inside the building (with necessary clamps, vibration isolators and fittings but excluding valves, strainers, gauges etc.) duly insulated with 80 kg/ cum density resin bonded fiber glass or 144 Kg / cum density mineral wool insulation (non combustible) pipe section insulation covered with a layer of 120 gm/sqm polythene sheet (vapour barrier) and finally applying 0.63mm aluminium sheet cladding complete with type3 , grade 1 roofing feltstrip(as per IS:1322 as amended up to date ) at joints and repairing of damage to building etc. as per specifications and as required. Note:The Pipes of sizes 150mm & below shall be M.S. ‘C’ class as per IS : 1239 and pipes size above 150mm shall be welded black steel pipe heavy class as per IS: 3589, from minimum 6.35mm thick M.S. Sheet for pipes upto 350 mm dia. and from minimum 7mm thick MS sheet for pipes of 400 mm dia and above ) |
| 28 | Dismantling of existing pipe and instalation of new M/S pipe Nominal size 80 mm dia including all supportSupplying, laying/ fixing, testing and commissioning of following nominal sizes of chilled water piping inside the building (with necessary clamps, vibration isolators and fittings but excluding valves, strainers, gauges etc.) duly insulated with 80 kg/ cum density resin bonded fiber glass or 144 Kg / cum density mineral wool insulation (non combustible) pipe section insulation covered with a layer of 120 gm/sqm polythene sheet (vapour barrier) and finally applying 0.63mm aluminium sheet cladding complete with type3 , grade 1 roofing feltstrip(as per IS:1322 as amended up to date ) at joints and repairing of damage to building etc. as per specifications and as required. Note:The Pipes of sizes 150mm & below shall be M.S. ‘C’ class as per IS : 1239 and pipes size above 150mm shall be welded black steel pipe heavy class as per IS: 3589, from minimum 6.35mm thick M.S. Sheet for pipes upto 350 mm dia. and from minimum 7mm thick MS sheet for pipes of 400 mm dia and above |
| 29 | Dismantling of existing pipe and instalation of new M/S pipe Nominal size 50 mm dia including all support(Supplying, laying/ fixing, testing and commissioning of following nominal sizes of chilled water piping inside the building (with necessary clamps, vibration isolators and fittings but excluding valves, strainers, gauges etc.) duly insulated with 80 kg/ cum density resin bonded fiber glass or 144 Kg / cum density mineral wool insulation (non combustible) pipe section insulation covered with a layer of 120 gm/sqm polythene sheet (vapour barrier) and finally applying 0.63mm aluminium sheet cladding complete with type3 , grade 1 roofing feltstrip(as per IS:1322 as amended up to date ) at joints and repairing of damage to building etc. as per specifications and as required. Note:The Pipes of sizes 150mm & below shall be M.S. ‘C’ class as per IS : 1239 and pipes size above 150mm shall be welded black steel pipe heavy class as per IS: 3589, from minimum 6.35mm thick M.S. Sheet for pipes upto 350 mm dia. and from minimum 7mm thick MS sheet for pipes of 400 mm dia and above) |
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