Repair and renovation for 56 bedded SNCU on the 1st floorof the Gynae building Nadia Dist Hospital -- SITC of Air Conditioning Syatem

Amount

Condensor Unit for 8.5 TR capacity system-SITC of 8.5TR Capacity Microprocessor based air cooled Condensing Unit Eco friendly refrigerant R410A thermostatic expansion valve, single scroll/screw compressor, arrangement for operation with DX type AHU, and suitable for operation on 415+/-10% Volt, 50Hz, 3 PH AC supply with adequate auxiliary protection like oil heater with thermostat for prevention of in gress of liquid refrigerent in the compressor piston chamber, over current, HP/LP Cut outs, Power contractors & control logic circuit for periodic operation of working & standby Condenser fans, Compressors and matching condensing units. Outdoor Air cooled Condenser unit shall comprise Copper coil with Aluminium fins and Axial fan as required housed in a sheet metal chamber with adequate ventilation as OEM standard. (Make: OGeneral/ Hitachi / Mitshubishi Electric)

Supply of 2 Tr. Split type (FIXED SPEED - TROPICAL INNOVATION SERIES) Air Conditioner Machine having following features Cooling Capacity - 6600 Watts, Compressor - Rotary, EER -3.57 W/W, Star Rating - 3, Power Requirements 220/240 V 50 Hz, Remote Control - Yes, Main Unit Condenser Coil Copper, Outdoor Unit Condenser Coil - Copper, Refrigerent R410A / R32, Modes - TROPICAL INNOVATION SERIES, Sleep Mode Yes. Timer Yes, On-Timer: Yes, Off-Timer: Yes. (Make:OGENERAL, Model No.:-ASGA24BUTA-B (R32) / Mitsubishi Electric , Model No:- MS / MU-GK24VA),

Floor Mounted Outdoor type Air Handling Unit - SITC of site assembled type modular double skinned construction with continuous insulation with thermal break. The AHU enclosure's outer & inner Skin layer of 0.6 mm or higher & outer skin has to be polymer coated and insulation panel should be made of thermal break profile - PUF insulation with thickness of at least 40mm or better. The AHU should have injection of fresh air @ 20% with VCD and mixing chamber for return air and fresh air with 03(Three) stage filtration system (Prefilter having efficiency (EU - 4/MERV7) 90% down to 10 micron, fine Filter having efficiency 99% down to 3 micron (MERV-14(Make - FMI/ Spectrum/ Thermi) and HEFA filter MERV-17 0.3 Micron for both inlet & outlet including UV lamp of suitable rating for each of the air suction & discharge of condition space as well as injection of fresh air and emmission of stale air as per directionof EIC). The AHU Coil to be with hydrofolic coating. The AHU Fan assembly should be either motor directly coupled with Impeller or Belt driven as per OEM standard suitable for air velocity range 7.3 - 8.2 ft./Sec through the multi -layer 12 mm - 19mm dia Copper tubes with Alluminium fins(as per OEM standard). There should be AHU fans of Forward/ Backward Curve, with discharge not less than 10200 CFM, compatable for 415V, 50Hz supply continuous duty Class IF 1 (Make for Fan Unit - Nicotra/ Kruger/ Caryaire) (Make for Motor - Crompton / Kirloskar/ NEC/ ABB/ Siemens). (Make : Ethos/ Zeco / System Air/ Edgetech) (AHRI/EUROVENT CERTIFIED)

SITC of Hard Drawn Copper refrigeration pipe line for Suction & Discharge with Cu. Brazing joints & necessary supports & brackets of different sizes in accordance with the required ODU pipe size. 11/8 & 5/8 dia

Supply and fixing of necessary electrical arrangements of Air Conditioning Units, PVC insulated FRLS grade Copper cable for connection between indoor and outdoor units, 1.1 KV grade. 3 core x 1.5 mm² (Finolex/Polycad/Havells/RR Kabel)

3 core x 2.5 mm² (Finolex/Polycab/Havells/RR Kabel)

Supply & fixing of dia UPVC drain pipes with all necessary hanging arrangements. 32mm Dia ( Make - Supreme/Oriplast/Finolex)

Supply & Fixing of class-VIII grade (120GSM) confirming to IS-277 & Supply air duct along with necessary support, flanges etc. as required and as per IS-655 standards of following gauges (Make- Tata/Sail/Jindal) For 22 SWG

For 24 SWG

Supply and fixing acoustic lining of supply air duct and plenum with 10mm thick open cell Nitrile rubber (Class O) of density 140Kg/cum-160Kg/cum insulation with cadmium plated nuts, bolts, stick pins, CPRX compound etc. complete as per direction of EIC (Make- UPTwiga/Supreme/Accroflex/ K-flex/Armacell)

Supply and fixing Heat Retardant closed cell Class'O' 19mm thick Nitrile Rubber insulation with AI Foil Faced Outside Supply Air duct. (Make- Supreme/Armacell/ K-flex/ Accroflex)

Supply and fixing Heat Retardant closed cell Class'O' 13mm thick Nitrile Rubber insulation with AI Foil Faced Outside Return Air duct. (Make- Supreme/Armacell/ K-flex/ Accroflex)

Supply & fixing of Liner type AI Powder Coated Continuous Supply Air Grill with VCD. ( Make - Premire / Systemair/ Air Enterprise/ Caryaire)

Supply & Fixing of Liner type AI Powder Coated Continuous Return Air Grill without VCD. (Make- Premire/ Systemair/ Air Enterprise/ Caryaire)

Supply & Fixing of Fusiable Link Fire Damper, Galvanized Steel Sheet with 125 GSM Zink Coated, Certified by CBRI (U-555, 1995) with minimum fire rating not less than 120min, must be Fusiable Link Spring with 74°C Temerature rating UI Listed. ( Make- Greenheck/ Systemair/ Air master/ Caryaire)

SITC of heavy duty anti vibrational pad to protect the system from any king of unwanted vibration.

Supply & Fixing of G.I Cable tray 300mm x 50mm x 1.25 mm [D14/34(a)ii]

Supplying, fabrication & fixing 03 Nos. M.S. Angle/M.S C chanel of size (75 mm x 75 mm x 6mm) for placing the outdoor unit of ductablesplit AC incl. drilling 05 nos holes in each Angle including cutting holes into the wall & grouting the same (1: 1 ½ : 3) etc for Air Conditioning Units. Supplying, fabrication & fixing 4 Nos. M.S u-channel of 6 mm thick of size (75 mm x 40 mm x 40 mm) & ISA 50x50x6 mm for making Base Frame table type for installation of incl. drilling 2 nos. holes in each channel.

Charges for Scaffolding arrangement incl. lifting, shifting for outdoor & indoor units of package AC. (IDU & ODU)

Fresh Air arrangement with necessary filter & Bird screen.

Chatterjee Enterprise (BID ID -6288485)

COLD STAR CO. (BID ID -6299666)