Public Works Department Tender

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Public Works Department

OthersElectrical Works
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Opening Date

11 Oct 2021

Closing Date

27 Oct 2021

Tender Amount

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Costs

Summary

Electrical Installation Work For Hybrid Ccu At Sub-divisional Hospital , Haldia, Purba Medinipur.---sitc Of Ac System.

Description

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BOQ Items

ItemQuantityUnitsRateAmount
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Condensor Unit- SITC of 8.5 TR Capacity Microprocessor based air cooled Condensing Unit Eco Friendly refrigerant,thermastatic expansion valve, Double scroll compressor arrangement for operation with Dx type AHU, and suitable for operation on 415+/-10% Volt, 50Hz, 3 PH AC supply With protection of crankcase heater, HP/LP Cut outs, thermostats, Power and Control contactors for Evaporator Fans, Condenser fans, Compressors and matching condenser units, isolator switch for condenser units. Outdoor Air cooled Condenser unit shall comprise of Copper coil with Aluminium fins and Axial fan with fan Speed Controller. The static pressure of the outdoor unit shall be more than 75 Pa to avoid hot air circulation. The system should give non-stop cooling at 48-52 degrees of outside ambient temperature and provide test certificate. (Make:General/ Hitachi / Voltas/ Daikin/ Bluestar) No extra shall be payable for refrigerant gas & transportation/ shifting work)
4Nos--
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FLOOR MOUNTED OPEN TYPE AIR HANDLING UNIT- SITC of Factory designed Double skin construction Floor with Thermal Brake profile suitable for outdoor application with mixing box chamber, FILTER-filter sections with 50 mm thick washable synthetic type Pre filters having efficiency 9EU-4/MERV7)90% down to 10 micron and Fine filters having efficiency 99% down to 3 micron (MERV-14)(Make: FMI// Spectrum /Puromatic ) , COOLING COIL- CoCooling Coil Section suitable with aluminium finned copper tubes (tubes thickness not less than 0.5mm) for Eco Friendly refrigerant, each unit should consist of DX copper cooling coil with 2 independent coil sections having two separate distributors and expansion valve with 6 RD Coil to form independent refrigreation circuit with compressor and condenser in order to meet the breakdwons with one circuit. FAN-It should also consist of DIDW backward curved centrifugal fan (Make -Nicotra/ Kruger/ Caryaire) MOTOR-High efficiency motor consisting of 2nos TEFC motor(1W+1S) (HAVELLS/BHARAT BIJLEE/Kirloskar/ CG), should be compatible with VFD, SS18G Drain Tray with CFC FREE PUF insulation, Vibration Isolators and Fire Retardant Flexible Canvas Connector. Air Handling Unit shall be insulated with 43+/-2mm thick & 38 Kg/m³ density PU foam. thick Sandwich Insulated Panels with Thermal Break Profile with Pre-Coated GSS Outer Skin 0.6 MM Thick Plain GSS Inner Skin 0.8MM thick and with Extruded Aluminium Frame Structure. VCD in Aluminium aerofoil construction to be provided in SA, FA, RA Openings.The motor & blower assembly shall be mounted on Aluminium extruded section only.The bidder shall submit fan performance curves for all fans as well as cooling coil selection sheet. The cooling coils rows shall be as per the selection based on the capacity mentioned below (An Autocadd Generated Drawing has to be approved from EIC before starting of any construction) Capacity:3200-3400 CFM or higher /120-125 MM Static (Make- Zeco / VTS/Edgetech/ Ravi aircon)
1Nos--
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UVC EMITTER UVC (254nm) EMITTER for the above AHU's for prevention of fungus in the chilled water cooling coils. The minimum UV intensity in the coils shall be between 600 to 700UW-SEC/CM2 . The unit shall be UL Listed (UL- 1995) (MAKE - Philips/ALFA / RUKS/Aero Pure.)
1Nos--
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REFRIGERANT PIPING WITH INSULATION Supply & Laying Hard / Soft drawn Copper Refrigeration pipe ( Make- Nippon/ Hitachi-Ryoku/ Mandev)line for liquid and suction line suitable for R410 refrigerant & 19 mm thick Nitrile Rubber 'class O' Insulation tube with supports & brackets with 19 mm thick nitrile rubber insulation with Al. Foil covered (make - Accroflex/Suprime/ Armacell) arrangement on walls as per direction of EIC. Liquid Line (1/2")
30mtr--
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REFRIGERANT PIPING WITH INSULATION Supply & Laying Hard / Soft drawn Copper Refrigeration pipe ( line for liquid and suction line suitable for R410 refrigerant & 19 mm thick Nitrile Rubber 'class O' Insulation tube with supports & brackets with 19 mm thick nitrile rubber insulation with Al. Foil covered (make - Accroflex/Suprime/ Armacell) arrangement on walls as per direction of EIC. Suction Line (7/8")
30mtr--
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DRAIN PIPE Supply and fixing of Drain piping by PVC with 6mm thick nitrile rubber insulation and necessary quantities of supports, flanges, bends, elbows, fittings, nut-bolts, gaskets etc: 32 MM. (Make-Supreme/ Oriplast/ Finolex)
10mtr--
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DUCT WORK Supply & fixing of Class - VIII grade (120 GSM) supply air duct along with necessary supports, flanges etc. as required and as per IS 655 and IS-277 standards of following gauges.(Make- Tata/jindal/Sail) 22 SWG
40sq mtr--
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DUCT WORK Supply & fixing of Class - VIII grade (120 GSM) supply air duct along with necessary supports, flanges etc. as required and as per IS 655 and IS-277 standards of following gauges.(Make- Tata/jindal/Sail) 24 SWG
150sq mtr--
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S & F of HEPA Filter with efficiency of 99.99% down to 0.3 microns of size as per actual site requirement to accommodate inside the exhaust air duct. (Make: Spectrum/ FMI/Puromatic)
2Nos--
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Supply & Fixing of Aluminium powder coated supply air grilles with volume control damper. (Make - Premire /Systemair / Air Enterprise / Caryaire /Airmaster)
2sq mtr--
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Supply & Fixing of Aluminium powder coated return air grilles without volume control damper. (Make - Premire /Systemair / Air Enterprise / Caryaire / Airmaster)
3sq mtr--
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Supplying, Fixing,testing and commissioning of combination smoke/fire dampers (UL 555) of required sizes i/c control wiring,the damper shall be motorized and spring return so as to close the damper in the event of power failure automatically and open the same in case of power being restored. The spring return action shall be inbuilt mechanism and not externally mounted. The damper shall also be closed in the event of fire signal complete as required and as per specifications. (Make - Systemaire/ Airmaster/ Caryaire/ Air enterprises)
1Nos--
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Supplying, Fixing,testing and commissioning of Volume Control dampers of required sizes i/c control wiring,the damper shall be motorized and spring return so as to close the damper in the event of power failure automatically and open the same in case of power being restored. The spring return action shall be inbuilt mechanism and not externally mounted. The damper shall also be closed in the event of fire signal complete as required and as per specifications. (Make - Systemaire/ Airmaster/ Caryaire/ Air enterprises)
2Nos--
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Actuator (Make-Belimo/Honeywell/Siemens)
3Nos--
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Supply & Fixing of Fresh air package with cowl, bird net arragements and volume control damper. (Make - Premire /Systemair / B47Air Enterprise / Caryaire / Airmaster)
2sq mtr--
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EXHAUST FAN Supply & fixing of Inline Flow fan for exhaust air as per reuirement for successful performance (Make -Nicotra/ Kruger/ Caryaire). 1000 CFM / 60 mm of WG
2Nos--
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DUCT THERMAL INSULATION Supplying and fixing of 19 mm thick duly laminated aluminum foil of mat finish closed cell Nitrile rubber (Class “O”) insulation on existing duct after applying suitable adhesive for Nitrile rubber. The joints shall be sealed with 50 mm wide and 3 mm thick self adhesive nitrile rubber tape insulation. (Make - Armacell / K Flex / Supreme / Aflex)
120sq mtr--
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DUCT THERMAL INSULATION Supplying and fixing of thermal insulation on Room exposed Duct with 50mm thick TF quality expanded polysterene slab incl. checken mase wire & sand cememt pest
90sq mtr--
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DUCT COVERING Supply & Fixing of IDU & Duct Covered with 3mm Thick ACP Board (Make:Aludecor/Protap Bond Coplete with linkages, levers, fittings, supports, all accessories any other item required to make the system complete as per direction of E.I.C.
98sq mtr--
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AHU CONTROL PANEL- SITC of Micro Processor based Control Panel for 2 No.8.5 Tr Compressor and its accessories. Provision for 4 KW VFD for 1 nos. AHU's. IE - 2 AHU motor provision for 1 nos. Motrized fire Damper provision future interlock Panel should comprises of the following items: (1) 100 Amps 4 Pole MCCB as incomer- 1no., (2) 63 Amps 4 Pole MCB-.1 No. for Compressor unit/ODU unit (3)32Amps 4 Ploe MCB-1 Nos. for Centrifugal Fan, Indication Lamp for Main unit(R,Y,B) (4) VFD on/off Indication Lamp (5) Selector Switch for Compressor 1 (6) Power terminal 150 Amps. for motor connection, 230V /24 volts 30 VA Transformer for Fire Damperf Controller. (7) MF meter with selector switch 0 - 60 AMPs, (8) CT 60/5 Amp of Class -1 (9) ON /OFF Push Bottom (10) Wall mounted type, 2 mm/1.6 mm thick CRCA sheet steel Fabricated duly painted powder coated Siemens gray.(415 V, 3Ph, 4 Wire , 50 Hz) top and Bottom Entry, Indoor type IP - 54 Housing, (11) Micro Processor based control card 8 DI/8 DO, 4 Al(4-20MA or 0-10 V dc)/4AO(0-10V) with 2 x 16 Chr LCD and Key Board for setting parameters.(An Autocad Generated Drawing has to be approved before starting of any construction)
2Nos--
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Supply & Installation of Diferential Pressure Gauge to monitor the Negative Pressure . (Make- Danfoss/ Beliimo/Honeywell)
1Nos--
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Cost of Allied Putty Civil work. N.B. 1. An Auto CAD GAD of AHU & Duct system should get approved before commencement of the work. 2. System should be fine tuned to make a NEGATIVE PRESSURE arrangment. 3.OEM Certificate for Double Skinned AHU / Evapourator Unit/ Condensing Unit/ Motor/ Fan/ Filters should be submitted.
1item--
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