Nehru Science Centre Tender
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Nehru Science Centre - NCSM Tender
Electrical Goods and Equipments
Electrical and Electronics
Eprocure
Opening Date18 Aug 2023
Closing Date7 Sep 2023
Tender Amount₹ 25,00,000
Costs
EMD
₹ 62,500Document Cost
Refer DocumentsTender Fee
Refer Documents
Description
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Contact
Tender Id
2023_NCSM_767400_1Bid Award Id
ViewTender No
NSCM/18012/234/2022Tender Authority
Nehru Science Centre ViewPurchaser Address
-Website
http://eprocure.gov.in
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Documents
NIT documents for SITC of AC units for NPCIL gallery at NSC Mumbai
BOQ Items
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INSTALLATION, TESTING & COMMISSIONING OF DUCTABLE SPLIT AC UNITS: Including lifting, shifting of AC units on third floor terrace floor. Installation, testing and commissioning of Ductable Split units system.
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ANTI CORROSIVE TRETMENT: Providing Anti-corrosive treatment on each AC Complete Indoor unit (i.e. evaporator, condensor coil, body, elbow bends, joints, etc) & Complete outdoor unit. (i.e. all panels, condenser coil, etc.) Treatment shall carry three years warrantee / guarantee.
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SS STAND / SS FRAME WORK: Supply, fabrication and installation of SS base frame for indoor & outdoor units complete with epoxy painting, vibration isolation pads, supports, hangers, railing, brackets etc. For construction as approved by Client/ Consultant. Apply 2 coats of epoxy primer 2 coats of epoxy paint and finish painting as approved by client. Out door unit Stand to be made as per site conditions. a) 16-18 TR
3
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INSULATED REFRIGERANT PIPING: a) 16-18 TR ( 2 Nos. Circuit)
175
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INSULATED PVC DRAIN WATER PIPING: a) 1" Ø
175
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b) 1 1/4" Ø
1
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c) 1 1/2" Ø
175
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d) 2" Ø
1
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DUCTING WORK
The work includes design, supply, fabrication, erection, installation, testing, commissioning and handing over of the complete AC system ducting work. Contractors shall fill in the columns of rate and amount and submit the same along with confirmation on all-technical details.
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GSS DUCTING : (FOR SQUARE / RECTANGLE DUCT) as per IS: 655 complete with all accessories viz. Anchor fastener, black Painted MS angles, / rod supporting, rubber gasket, galvanized Hardware, Double canvas connection with 6” zip Etc. a) 24 Gauge.
1820
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b) 22 Gauge.
1050
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c) 20 Gauge.
70
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d) 18 Gauge.
210
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VOLUME CONTROL DAMPERS: (A) ALU. Black painted Grille / Coller Dampers of opposed Blade type with nylon bushes.
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(B) GI Duct Dampers of opposed blade type with nylon bushes.
35
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24" X 24" EXTRUDED ALU. POWDER COATED SUPPLY AIR DIFFUSERS (Neck size of 15" X 15") with coller damper.
28
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24" X 24" EXTRUDED ALU. POWDER COATED RETURN AIR DIFFUSERS without coller damper.
25
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POWDER COATED EXTRUDED ALU. SUPPLY AIR GRILLE with opposed blade volume control damper with nylon bushes and black matt finish type for required airflow angles.
1
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POWDER COATED EXTRUDED ALU. RETURN AIR GRILLE without coller damper.
1
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EXTRUDED ALU. POWDER COATED CONTINOUS GRILLES with required air flow angle.
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THERMAL INSULATION: Thermal insulation of ducts with class 'o' (FM approved and in accordance to UL 94(HB, VO, 1996) close cell nitrile rubber with antimicrobial and antifungal properties. Thermal conductivity is 0.033 W/mK and having μ value 10000. Thickness 13 mm
2660
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ACOUSTIC INSULATION: Acoustic insulation of duct should be open cell nitrile rubber, having density 140-180 kg/m3 . The insulation shall pass Air Erosion resistance test in accordance to ASTM standard C 1071 -05 as well it should have antimicrobial properties as per DIN EN ISO 846 Method A and DIN EN ISO 846 method C.
280
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UNDERDECK INSULATION: a) As per Specifications, The exposed roof, shall be insulated with 50 mm thick "TF" i.e. fire retarded quality expanded polystyrene having 16 Kg. / Cubic Meter Density from the inside. Use GI strips of 1mm thickness, 2"x4" size bent into L shape to hold insulation in place from 4 sides.
4000
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b) Nitrile rubber of 25mm as alternate material to polystyrene for rate comparision
1
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AIR CURTAIN: Supply, Installation and commissioning of AIR-CURTAIN for following door sizes. a) 78"W X 90"HT.
2
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MINOR CIVIL WORK - Minor Civil Work like making opening in the wall for passing of Ref. Piping, Electrical cabling and drain piping shall be provided by AC vender. All such opening shall be closed / sealed by proper packing / plastering by AC vender.
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Damper/Bird Net: Suppy, Installation of dampers to be installed in unit and duct
a) coller damper
35
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b) volume control damper
22
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ELECTRICAL WORK
The work includes design, supply, fabrication, erection, installation, testing, and handing over of the complete AC system electrical work. Contractors shall fill in the columns of rate, amount and submit the same along with confirmation on all-technical details.
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IP-45 Protection Powder coated Main AC Electrical panel: As per Specifications, with incoming 250A MCCB (18-25 KA), digital Ammeter, digital Voltmeter and out going feeders for 4 Nos. of ductable AC units having a total of 49-54 TR capacity ODU. Panel also should have phase indicator. The out going feeder (MCB) will be provided with Energy Meter, required switches and digital Ammeter, voltmeter. The panel should have copper bus bar with min. 2 times capacity of incoming switch. The panel shall be wall Mounted Type and of totally compartmentalized arrangement. Incoming / out going cables will be connected (entry) in to the panel from TOP. The incoming power for panel will be provided by client. Panel shall have potential free contractor for connection with fire alarm system. The panel should be made of 14 gauge GI material.
1
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ELECTRICAL ISOLATOR: Supply, installation of IP - 65 Protection type electrical isolator near each outdoor unit.
8
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ELECTRICAL CABLING : A) Power Cabling : (copper) a) Main AC panel to Outdoor unit: 4C X 10 mm2
105
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b) Outdoor unit to Indoor units: As per Manufacture:
315
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c) Outdoor unit looping: As per Manufacture:
35
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d) Copper cable 3.5 core Ar. UG (armored) 1.1kV
92
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B) Control Cabling :(Copper) a) Outdoor unit to Indoor unit: As per Manufacture
250
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EARTHING : Excavation in earthwork 1000x1000mm upto 3 meter depth in all type of soil and supplying , storing, shifting and laying of 600mmx600mmx3.15mm thick copper plate electrode, with 2 nos 50mmx3mm copper strips from earth plate electrode to inspect chamber, 20mm dia medium GI pipe, GI funnel with masonry chamber 600mmx600mm with concrete base CI manhole cover with frame painted with bitumastic paint an paking with mixture of charcoal and common salt around plate electrode as per the approved ISI standard including digging of pit, up to permanent moisture level but not less than 3 meter and back filling as required. Also proving and fixing of 8 SWG copper wire from earth bus bar to DB(Complete in all).(The wiring will run from 3rd floor to ground). Digging work should be done manually. Testing points to be included.
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ELECTRICAL CABLE TRAY a) GI ladder type cable tray 12" Wide, 14 gauge for supporting insulated refrigerant piping, electrical cabling etc. complete with supports. Cable tray shall be provided for piping outside of the building.
105
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b) Cover for ladder type cable tray, made out of 16 G GI sheet, to protect insulated refrigerant piping, electrical cabling etc. in cable tray of 12" Wide.
105
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DISMANTLING, BUY BACK
The work includes dismanteling, removal, scrapping and buy back of the complete existing AC system. Contractor shall fill in the columns of rate and amount and submit the same along with the all-technical details for AC system offered by them.
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DISMANTLING: All existing false ceiling works, ducting works, indoor and outdoor units,copper tubes, wires, panels, diffusers, HVAC control panels, cables, MS stands, insulation works, etc will be dismantled, scrapped if necessary and removed from site under buyback. The existing unit has 3 nos of 17 TR(8.5 x 2 nos) ductabe units of carrier make with necessary ductings and 02 nos. of Air Curtains. Evaluation of the scope of work under this section has to be carried out on site with the client before tender submission. The buy back amount has to be deducted from the final offer under this section.
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