Public Works Department-PWD has published Tender For Proposed Amphitheatre, Artists Cottage And Multistoried Office Complex Cum Guest House Within The Campus Of State Music Academy, Tollygunge, Kolkata Supply Installation Testing And Commissioning Of Hvac System(2Nd Call).. Submission Date for this Tender is 04-10-2023. HVAC Tenders in kolkata West Bengal. Bidders can get complete Tender details and download the document.
| Sr No | CorrigendumDate | Corrignedum | CorrigendumType | NewSubmissionDate |
| 1 | 21-Sep-2023 | Corrigendum-I | Date | 04-10-2023 |
| Sl. No. | Item Description |
| 1 | Supply, Installation, Testing & Commissioning of Inverter type split AC machine (a set of full metal body indoor and outdoor unit), having Cooling Capacity range (3.35 KW - 3.6 KW), with variable speed compatible rotary compressor, refrigerant gas R32/ R410A, (ISEER range 3.8 to 4.39 or higher), Air flow range CFM (340 - 400), both condenser and cooling coils made of copper tube, with P2 type capacitor, connecting chord with plug top, confirming to IS 1391 (Part-I & Part-II) with all amendments. Noise level not more than 52 db., suitable for 1 Ph. 230V, 50 Hz. power supply. (Make - Mitsubishi Electric/ Daikin/ O General/ Carrier/ LG/ Panasonic/ Johnson Controls (Hitachi) / Toshiba/ Sharp/ Mitsubishi Heavy) |
| 2 | Supply, Installation, Testing & Commissioning of Inverter type split AC machine (a set of full metal body indoor and outdoor unit), havingCooling Capacity range (5.2 KW - 5.3 KW), with variable speed compatible rotary compressor, refrigerant gas R32/ R410A, (ISEER range 3.8 to 4.39 or higher), Air flow range CFM (560 - 600), both condenser and cooling coils made of copper tube, with P2 type capacitor, connecting chord with plug top, confirming to IS 1391 (Part-I & Part-II) with all amendments. Noise level not more than 52 db., suitable for 1 Ph. 230V, 50 Hz. power supply. (Make - Mitsubishi Electric/ Daikin/ O General/ Carrier/ LG/ Panasonic/ Johnson Controls (Hitachi) / Toshiba/ Sharp/ Mitsubishi Heavy) |
| 3 | Supply, Installation, Testing & Commissioning of Inverter type split AC machine (a set of full metal body indoor and outdoor unit), havingCooling Capacity range (6.6 KW - 7.0 KW), with variable speed compatible rotary compressor, refrigerant gas R 32 / R 410A, (ISEER range 3.8 to 4.39 or higher), Air flow range CFM (780 - 850), both condenser and cooling coils made of copper tube, with P2 type capacitor, connecting chord with plug top, confirming to IS 1391 (Part-I & Part-II) with all amendments. Noise level not more than 52 db., suitable for 1 Ph. 230V, 50 Hz. power supply. (Make - Mitsubishi Electric/ Daikin/ O General/ Carrier/ LG/ Panasonic/ Johnson Controls (Hitachi) / Toshiba/ Sharp/ Mitsubishi Heavy) |
| 4 | Supply, Installation, Testing & Commissioning of Ceiling suspended Inverter type ductable split air-conditioner having Microprocessor based control system with the following specification. Capacity - 4.0 Ton or higher, Minimum Rated Cooling Capacity - 48000 BTU/Hr, No. of IDU - 1 No. or multiple, Air-flow/ IDU - 1600 CFM (Total), No. of ODU - 1No. or multiple, Compressor -1 No. or multiple nos. Rotary / Scroll Compressor, Refrigerent -R410A/ R-32, Condenser & Cooling Coil : Copper coil, Power Supply : 230V, 50Hz, Single Ph or415v, 50Hz, 3 Ph AC (As per OEM Standard).(Make - Mitsubishi Electric/ Daikin/ O General/ Carrier/ Blue Star/ Voltas/ LG/ Panasonic/ Johnson Controls / Toshiba/ Sharp/ Mitsubishi Heavy) |
| 5 | Supply, Installation, Testing & Commissioning of Ceiling suspended Inverter type Ductable Split air-conditioner having Microprocessor based control system with the following specification. Capacity - 5.5 Ton or higher, Minimum Rated Cooling Capacity - 66000 BTU/Hr, No. of IDU - 1 No. or multiple, Air-flow/ IDU - 2200 CFM (Total), No. of ODU - 1No. or multiple, Compressor -1 No. or multiple nos. Rotary / Scroll Compressor, Refrigerent -R410A/ R-32, Condenser & Cooling Coil : Copper coil, Power Supply : 230V, 50Hz, Single Ph or 415V, 50Hz, 3 Ph AC (As per OEM Standard).(Make - Mitsubishi Electric/ Daikin/ O General/ Carrier/ Blue Star/ Voltas/ LG/ Panasonic/ Johnson Controls / Toshiba/ Sharp/ Mitsubishi Heavy) |
| 6 | Supply, Installation, Testing & Commissioning of 240V, 4 Way Inverter type CassetteAir-conditioner machine, havingCooling Capacity range (6.6 KW - 7.0 KW), with variable speed compatible Rotary / Scroll compressor, LCD remote & all other accessories, Refrigerant gas R 32 / R 410A, (ISEER range 3.8 to 4.39 or higher), Air flow range CFM (780 - 850), both condenser and cooling coils made of copper tube, with P2 type capacitor, connecting chord with plug top, confirming to IS 1391 (Part-I & Part-II) with all amendments. Noise level not more than 48 db., suitable for 1 Ph. 230V, 50 Hz. power supply. (Make - Mitsubishi Electric/ Daikin/ O General/ Carrier/ LG/ Panasonic/ Johnson Controls (Hitachi) / Toshiba/ Sharp/ Mitsubishi Heavy) |
| 7 | Supply, Installation, Testing & Commissioning of 240V, 4 Way Inverter type CassetteAir-conditioner machine, havingCooling Capacity range (8.72 KW - 8.80 KW), with variable speed compatible Rotary / Scroll compressor, LCD remote & all other accessories, Refrigerant gas R 32 / R 410A, (ISEER range 3.8 to 4.39 or higher), Air flow range CFM (740 - 960), both condenser and cooling coils made of copper tube, with P2 type capacitor, connecting chord with plug top, confirming to IS 1391 (Part-I & Part-II) with all amendments. Noise level not more than 48 db., suitable for 1 Ph. 230V, 50 Hz. power supply. (Make - Mitsubishi Electric/ Daikin/ O General/ Carrier/ LG/ Panasonic/ Johnson Controls (Hitachi) / Toshiba/ Sharp/ Mitsubishi Heavy) |
| 8 | Supply, Installation, Testing & Commissioning of 8.5 Tr.Ductible Split Unit :- Supply, Installation, Testing & Commissioning of Ceiling suspended Inverter type ductable split air-conditioner having Microprocessor based control system with the following specification. Capacity - 8.5 Ton or higher, Minimum Rated Cooling Capacity - 102000 BTU/Hr, No. of IDU - 1 No. or multiple, Air-flow/ IDU - 3400 CFM (Total), No. of ODU - 1No. or multiple, Compressor -1 No. or multiple nos. Rotary / Scroll Compressor, Refrigerent - R410A/ R-32, Condenser & Cooling Coil : Copper coil, Power Supply : 415V, 50Hz, 3 Ph AC (As per OEM Standard). (Make - Mitsubishi Electric/ Daikin/ O General/ Carrier/ Blue Star/ Voltas/ LG/ Panasonic/ Johnson Controls / Toshiba/ Sharp/ Mitsubishi Heavy) |
| 9 | SITC OF CONTROL / COMMUNICATION CABLING Supply, Installation, Testing & Commissioning of suitable power / control / communication cabling alongwith SITC of PVC insulated 3C x 2.5 sqmm copper flexible cable between indoor and outdoor units. |
| 10 | SITC OF REFRIGERANT PIPING Supply, installation, testing & commissioning of copper refrigeration pipe line for liquid and Suction line including vaccumiazation and Nitrogen of testing of following nominal size of soft/ hard drawn copper refrigerent piping for Package/ Ductable/ Concealed Split/ Room AC system, complete with fittings withadjustable ring type hanger supports, jointing/ brazing including accessories, insulated with XLPE class - O tubular insulation/ with Class-O closed cell elastometric nitrile rubber tubular sleeves sections of 9mm. thickness for suction and liquid lines, all accessories as per specification etc. as required & as per direction of EIC with proper mending good damages to original finish. Mk. of Cu pipe - Rajco/ Ryoku/ Mandev/ Nippon Mk. of Nitrile Rubber Insulation - Aeroflex/ K-flex/ Accroflex/ Armacell. (a) 28.6 mm O.D. (Thickness : 1mm) (Insulation : 9 mm) (b) 22.2 mm O.D. (Thickness : 1mm) (Insulation : 9 mm) (c) 19.05 mm O.D. (Thickness : 1mm) (Insulation : 9 mm) (d) 15.88 mm O.D. (Thickness : 1mm) (Insulation : 9 mm) (e) 12.7 mm O.D. (Thickness : 0.8mm) (Insulation : 9 mm) (f) 9.5 mm O.D. (Thickness : 0.8mm) (Insulation : 9 mm) (g) 6.4 mm O.D. (Thickness : 0.8mm) (Insulation : 9 mm) |
| 11 | Supply & Pouring/ filling of Refrigerant R32/ R410A refrigerant gas for AC machines including testing and commissioning of complete machines with all indoor, outdoor units, electricals, remotes etc. incl. pressure testing with nitrogen and vaccumisation. |
| 12 | Supply and fixing of powder coated readymade MS angle support for Split & Cassette AC Outdoor units. |
| 13 | CANVAS CONNECTION Supply & fixing of fire retardant nonporous double layer flexible connection (CANVAS) between each indoor unit and duct/ Grill. (Design to be approved & as directed by E.I.C.) |
| 14 | SITC OF AIR DISTRIBUTION WORK Supply & Fixing of Linear type AI Powder Coated Continuous Supply air Grill with VCD. (Make - Premire/ Systemair/ Air Enterprise/ Caryaire) (Design to be approved & as directed by E.I.C.) |
| 15 | Supply & Fixing of Linear type AI Powder Coated Continuous Return air Grill without VCD. (Make - Premire/ Systemair/ Air Enterprise/ Caryaire) (Design to be approved & as directed by E.I.C.) |
| 16 | Supply & Fixing of powder coated extruded aluminium Air diffuser with aluminium volume control dampers as per specification. (Make - Premire/ Systemair/ Air Enterprise/ Caryaire) (Design to be approved & as directed by E.I.C.) |
| 17 | Supply & Fixing of powder coated extruded aluminium Air diffuser without aluminium volume control dampers as per specification. (Make - Premire/ Systemair/ Air Enterprise/ Caryaire) (Design to be approved & as directed by E.I.C.) |
| 18 | SITC of sound attenuator for recording room and console room (Design & material approved by EIC) (Size: 450mm x 450mm). |
| 19 | SITC OF LOUVERS AND VOLUME CONTROL DUCT DAMPERS Alluminim/ GI Powder Coated fresh air louvers with VCD |
| 20 | 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 120 min, must be Fusiable Link Spring with 74°C Temerature rating Ul Listed.(Make - Greenheck/ Systemair/ Air master/ Caryaire) |
| 21 | SITC OF SHEET METAL DUCTING WORK Supply,fabrication and Installation of GSS sheet metal ducts and planum chamber complete with necessary MS supports, hangers anchor bolts, supply air collars, vanes, splitters dampers duly painted and as per specification for Air conditioned area. 24 Guage (0.63 mm Thick) GI ducting |
| 22 | Do-------Do------Do 22 Guage (0.63 mm Thick) GI ducting |
| 23 | SITC OF DUCT THERMAL INSULATION Supply & fixing of 19mm thick class O fire retardent nitrile rubber Aluminium foil face thermal insulation on duct with adhesive for nitrile rubber. The joints shall be sealed with 50mm wide & 3mm thick self adhesive nitrile rubber tape insulation complete as per direction of EIC.(Make - Armacell/K-flex/ Accroflex) |
| 24 | SITC OF DUCT ACCOUTIC INSULATION Supply andfixingacoustic lining of supply air duct and planum with 10mm thick open cell fire retardant Anti-microbial type Nitrile rubber (Class-O) of density 140Kg/cum-160Kg/cum insulation with cadmium plated nuts, bolts, stick pins, CPRX compound etc. completed as per direction of EIC. (Make - Accroflex/ K-flex/ Armacell) 25 mm thick |
| 25 | SITC OF DRAIN PIPING WITH INSULATION - PVC Pipes Supply & laying of rigid PVC drain pipe (Medium class)with necessary fitting proper supports at 5 ft interval and duly insulated with 9 mm thk. Nitrile Rubber Insulation having weather protective coating as per drawing. (a) 20 mm dia PVC pipe with insulation (b) 25 mm dia PVC pipe with insulation (c) 32 mm dia PVC pipe with insulation (d) 40 mm dia PVC pipe with insulation (e) 20 mm dia PVC flexible breaded pipe without insulation (f) 80 mm dia.PVC pipe |
| 26 | SUPPLY AND FIXING OF WALL MOUNTED PROPELLER FAN 100 CFM |
| 27 | Do----Do-----Do 200 CFM |
| 28 | Do----Do-----Do 300 CFM |
| 29 | Do----Do-----Do 400 CFM |
| 30 | Do----Do-----Do 600 CFM |
| 31 | SUPPLY & FIXING OF EXHAUST AIR FAN UNITSFOR TOILETS/PANTRY/WASHROOM/ETC. 200 CFM, 30MM WC TSP |
| 32 | Do----Do-----Do 300 CFM, 30MM WC TSP |
| 33 | Do----Do-----Do 400 CFM, 30MM WC TSP |
| 34 | Do----Do-----Do 500 CFM, 30MM WC TSP |
| 35 | Do----Do-----Do 600 CFM, 25MM WC TSP |
| 36 | Supply, erection & installation of fabricated MS Structure comprised of "I" section Beam, "C" channel,MS flat etc for platform suitable for mounting Outdoor unit including painting by anti-corrosive paint over RO primer including wall cutting, grouting with cement concrete, as per direction & approval of EIC. |
| 37 | Supply,fitting,fixing in position suspended boxing for return and supply air arrangement for ducting incl. false ceiling for boxing of IDU with frame work of aluminium hollow section of size 50mm x 25mm (2.0 mm thickness) combined with aluminium corners of size 38mm x 25mm suspended by aluminium hollow tube section of size 38mm x 25mm having size as suitable with aluminium composite panels (ACP) - Interior grade of thickness 3.0 mm comprising of protective films,polyethylne core again with one layer adhesive films,aluminium bottom coating and finally service coating as per manufactuer"s specification finished with aluminium screw and silicon scalent incl. suitable arrangement of grill fixingcomplete in all respect including all incidential charges etc. as per direction of EIC. |
| 38 | Installation charges for Trap door with Aluminium channel & ACP Board (3mm thick) (Mk.- Aludecor/Protap Brand) complete with linkages,levers,fittings,supports,all accessories for IDU maintenance as per direction of EIC. |
| 39 | Supply & Fixing of Underdeck insulation with 40mm thick Fire retardant Extruded Polysterene having density of 24 kg / M3 and thermal resistance of 1.78 M2 K/ W. N.B: (a) The Agency must procure the materials from the Manufacturer / OEM or from their authorized. Sales channel so that the standard warranty / support of the Manufacturer / OEM becomes applicable to the products to be delivered and installed by them. (b) Documents that authenticates such procurement from the Manufacturer / OEM or from their authorized sales channel and standard warranty / support should be sent from the e-mail of the Manufacturer / OEM / authorized sales channel to the e-mail of Engineer-in-Charge and hard copy of it to be submitted during execution of work / submission of bill. (c) If any refurbished material is supplied and installed, penal action will be taken as per existing rules. (d) Any other item or items left out from BOQ but essentially required for successful completion of the work may be raised for inclusion in the scope of work during pre-bid meeting. Otherwise bidder has to consider left out items deemed to be included in the scope of work. Bidders are advised to physically visit the site in accordance with the building drawing to be provided by the Tender Inviting Authority and quote the price accordingly. (e) Rates are inclusive of all Taxes and Duties. NB: (a)-(e) are applicable for all items of the BOQ. |
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