SITC of AC machines with allied EI work

Amount

Supply, installation, testing and commissioning of Minimum 11TR Capacity Air-cooled Ductable Split Unit having double circuit with highly energy efficient 2 nos. Scroll Compressor, Air-Cooled Copper Condenser, Ceiling suspended Indoor Air Handling Unit, Microprocessor based Control Panel and other standard features as required and suitable to operate on R-407C/R-410A Refrigerant Make: /MITSUBISHI HEAVY/VOLTAS/Bluestar/MITSUBISHI ELECTRIC/Daikin/Carrier/O-General].

Supply, design, fabrication and laying of Hard drawn Copper Refrigerant piping complete with thermal insulation by closed cell Nitrile Rubber Insulation, Nitrogen pressure testing, leak testing, vacuumizing, Refrigerant charging and commissioning work by using proper scaffolding and safety arrangements. (As per direction of E.I.C) for liquid and suction line with hard drawn copper piping complete with fittings, elbows, bends, supporting arrangements on walls as follows:(make- Ryoku/Nippon/Rajko/Mandev)

22.3mm dia and 0.8 mm thick hard drawn Copper Suction Tube In between Indoor & Outdoor Unit for Double circuit with 25 mm thick Nitrile Rubber Insulation

15.8 mm dia and 0.8 mm thick hard drawn Copper Liquid Tube In between Indoor & Outdoor Unit for Double circuit

Supply, fabrication, installation , testing & commissioning of following gauges GI Duct for supply/ return air duct complete with supports and turing vanes(Make-SAIL/TATA)

20 SWG (with NRD)

Supply and installation of fusible link fire damper ( Make: Systemair/ Dynacraft/ premier/ Air enterprise

Fire redundant Flexible double canvas connection for package air conditioners.

S/F of Thermal Duct insulation with13mm thicknes with fire redundant AI foil faced closed nitrile rubber insulation on duct with necessary pasting ( Make: Acoflex/ Araflex/Supreme)

Supplying & fixing of acoustic insulation inside ducting with 10 mm thick open cell nitrile rubber (Class"1") of density 140Kg/cu.m-160 Kg/Cum insulation with bolts nuts GI washers etc as required. (As per direction of E.I.C). Make: KFLEX/ARMACELL/AFLEX

Supplying, fixing, testing & commissioning of powder coated extruded aluminium section fresh air grill with aluminium volume control dampers, bird screen etc complete as requied (Make - Systemair / AirEnt / Dynacraft / Premire / Caryaire / Airmaster). (300 x 300 mm max)

Supply, design, fabrication and fixing additional drain tray with drain point made out 20 SWG GI sheet and support accessories & Insulation for ceiling suspended Air Handling Units. (As per direction of E.I.C).

Supply and installation 25 mm Dia UPC pipe (Supreme/ori plast)for Drain with 9mm thick class o fire rated nitrile rubber insulation [MAKE - FINOLEX / SUPREME / ORIPLAST]

Misc work like cutting of holes of brick wall and mending good the same and any other work related to complete the entire commissioning of air conditioning system.

Supply, design, fabrication, installation of MS structural work for supports as per site requirement.incl scraffolding.(ODU support,IDU Support) (As per direction of E.I.C) [ Submission of drawing and approval of the same must be taken before the execuion of work]

Supply and installation of following cable(make-Finolex/Havells/Polycab/Universal)for Power supply and Control on wall/existing Gi Tray as per direction of EIC

1.1 KV Gr 4 Core 6 Sqmm + 2 Core 4 sqmm Copper Wire(FRLSH) with 25 mm dia PVC rigid conduit (Make Finolex/Gloster/ Havells/ Polycab) For ODU.

1.1 KV Gr 3 Core 2.5 Sqmm Copper Cable(FRLS) (Make Finolex/Gloster/Havells/Polycab) for IDU power.

1.1 KV Gr 7 Core 1.5 Sqmm Copper Cable(FRLS) (Make Finolex/Gloster/Havells/Polycab) for Control.

Supplying, fitting & fixing in position suspended boxing for return /supply air arrangement for ducting with frame work of aluminium hollow section of size 50mm x25mm (2.0mm thickness) combined with aluminium corners of size 38mm x 25mm, suspended by aluminium hollow tube section of size 38mm x 25mm ,25mm x 25mm powder coated wall angle with aluminium composit panel of thickness 3.0mm comprising of protective film, polyester coating, primer, aluminium coil, adhesive film, polyethylene core again with one layer adhesive film, aluminium bottom coating and finally service coating as per manufacturer's specification finished with aluminium screw and silicon sealent including suitable arrangement for grill fixing complete in all respect as per direction of EIC.(Make-Aludecor/Pratap)

a) Drop Celing

b) Trap door

S & F 250V 63 A Dual Timer controller for AC machine in SS double door 4 way/6Way TPN DB enclosure with S&F following electrical accessories & front door locking arrangement with all connection by finishing the ends of 4x10 & 2x6 sqmm copper wire dowells solderless socket by crimping method as to GS earthing attachment on wall incl necessary connections as per direction of EIC . a) 63 A 4pole MCB - 1 no. b) 24 Hr programmable Digital timer (L&T Cat No: 67DDT0) - 1 no. c)32 A 3 pole power contactor (L&T Cat No - MNX25/415 V) - 2nos. d)32 A 4 Pole MCB-2 Nos e) 1 module 10 A Modular switch (Legrand Myrius) - 1 no. f) 2 module cover plate (Legrand Myrius) - 1 no. g) LED indicator lamp (L&T) - 4 nos h) Outgoing Connector (aproved reputed make) - 3 nos. i) 25 A Auto-Off-Bipass DPDT toggle switch - 1 nos. j)2 nos. On & Off push bottom switch.(Approved/reputed make) to be fixed on iron frame.For Ductable AC machine.

Wiring in 1.1 KV grade single core stranded 'FRLSH' PVC insulated & unsheathed copper wire (Make Finolex/Gloster/ Havells/ Polycab) of following sizes in 19/25mm PVC Rigid Pipe only PVC Rigid Conduit on ceiling and remaining portion concealed (Precision make) incl. necy. PVC clips, fittings etc.

4 x 16 & 2 x 10 mm² for & Ac ODU supply

Finishing of the PVC insulated wire ends by socketting with pin/ring type copper sockets and insulated tapes etc., including supplying sockets, tapes.

4 x 16 & 2 x 10 mm² for & Ac ODU supply

The Agency must procure the materials from the Manufacturer / OEM or from their authorised sales channel so that the standard warranty / support of the Manufacturer / OEM becomes applicable to the products to be delivered and installed by them. 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. If any refurbished material is supplied and installed, penal action will be taken as per existing rules

Defect Liability Period - 1 (One) year

Make & model of each and every material to be approved by EIC

VOLTAS LIMITED (BID ID -6950880)

AVIJIT CHOWDHURY (BID ID -6963026)