SITC of new VRF based air conditioning system at IIMI - off campus Hiranandani Mumbai

Amount

Designing of VRF/VRV System at IIMI-Mumbai Campus: Note: First of all the Contractor shall submit the design of the complete VRF System within 07 days from the date of award of work. On approval of the same by IIM Indore, further action towards SITC will be initiated by the contractor.

Execution

VRV / VRF OUTDOOR AC UNIT:-Supply Installation, Testing & Commissioning of modular type Variable Refrigerant Flow/Variable Refrigerant Volume air cooled Outdoor units suitable for cooling and heating, having all hermetically sealed inverter type Scroll Compressor(s), minimum two compressors for above 14 HP modules, microprocessor based Controller, top discharge type condensing unit(s), with R 410 A Refrigerant, vibration isolators, with suitable foundation etc. complete as required. The unit shall deliver the rated capacity at AHRI Conditions and work even at 50°C ambient temperature without tripping. The unit shall be suitable to work on 400V +/- 10%, 3 Phase, 50Hz AC power supply. The unit shall be filled with first charge of the refrigerant and ready for use as required. The COP at AHRI conditions shall not be less than 3.1 and IEER not less than 6.5.

VRF /VRV INDOOR AC UNIT (CEILING MOUNTED 4 WAY) ;- Supply, installation, testing and commissioning of following minimum capacity 4-way flow VRV/VRF Cassette Type Indoor ceiling mounted unit equipped with synthetic washable media pre-filter, fan section with low noise fan/dynamically balanced blower, multispeed motor, coil section with DX Copper coil, electronic expansion valve, outer cabinet, drain pump, grill, necessary supports, vibration isolation, cord less remote control etc., suitable for operation on single phase 230 V ± 10%, 50Hz AC supply, complete, as required. The unit shall have automatic force shut down provision in case of fire on receiving signal from BMS System. The cooling capacity of indoor unit will be at air inlet conditions of 27 Degree C DB and 19 Degree C WB temperature.

Centralized Touch Control with display for Operator interface to Manage Entire VRV System from Single point . The following controls should be possible through this system:- 1) Temperature Controls, 2) ON/OFF Control, 3) Scheduling, 4) Monitoring & Control from a remote site with operation capability via laptop/Desktop. 5) Error Display

Y JOINTS :- Supply, Installation, testing & commissioning of Ref Nut / Y-joints brass for indoor and outdoor units of suitable size as per requirement,

COPPER PIPING:-Supply & fixing of interconnecting Hard Copper / Soft copper refrigerant pipe of required sizes for pair of gas (suction & liquid, with 19 / 13 mm thick duly insulated with elastomeric nitrile rubber type tubular insulation between indoor & outdoor units as per specifications. All exposed pipe shall have UV coating on insulation & cost to be included in the piping. The piping shall be properly supported with 6mm full threaded rods over channel with Fasteners, Nuts & washer at 1m distance with firm supporting using PVC sleeve and cable tie. Extra support for Y-joints/Bends etc. to be given as per specifications. GI BOX type cable tray 100 mm wide for supporting refrigerant piping in shafts / terrace, complete with supports. (Min 1.2mm Thickness) C- Type Cover for cable tray, made out of 16 G GI sheet, to protect refrigerant pipe insulation on terrace. All piping shall be pressure tested for 1.5 times the working pressure.

REFRIGERANT :- Supply and additional refrigerant charge of Refrigerant R410 / 410A to compensate the additional piping done at site for all systems including testing commissioning as required,

OUTDOOR STAND FABRICATION :- Supply, fabrication and erection of Angle/Chanel/Flat iron stand, hanging arrangement for air conditioning machines & ducts etc, Back /Support clamps or other similar work etc. including nut bolts of required size, making holes, fabrication, welding, cutting, etc. and painting with one coat of red oxide paint & two coat of enamel paint as required as per specification.

Drain Piping :- Providing and fixing of CPVC, 6Kg/cm2 drain water piping with fittings, support and insulated with 6 mm thick closed cell elastomeric nitile rubber insulation complete as per specification.

25 mm dia ID

32 mm dia ID

40 mm dia ID

Supply and laying ,testing & commissioning of following sizes of Copper conductor control cables on existing tray including fixing clamps & proper connections to equipment etc.complete as required.

2Cx 1.5 Sq. mm shielded cable or screened cable for communication (witin Pvc suitable size of conduit )

3Cx 2.5 Sq. mm (witin Pvc suitable size of conduit )

4Cx 6 Sqmm copper cable - From Electrical Panel/MCB to ODU

4Cx 10 Sqmm copper cable - From Electrical Panel/MCB to ODU

Supply and laying ,testing & commissioning of following of Copper Earthing of 1 Core x 6 Sq mm

Supplying, installation, testing and commissioning of Weather Proof Enclosure with 32/40/63 Amp. FPMCB + ELCB 300mA. rating 10kA BC for outdoor units complete as required.

Supplying and fixing suitable size GI box with modular plate and cover in front on surface or in recess, including providing and fixing 6 pin 5/6 A & 15/16 A modular socket outlet and 15/16 A modular switch, connections etc. as required.

Supply, Installation, Testing and Commissioning of insulated flexible ducts. The insulated flexible duct shall have inner core made of double lamination of metalized polyester film permanently bonded to a coated spring steel wire helix. / The insulated flexible duct should be fire retardant type. Limit Flexible Duct to not more than 3 Ft Length for Diffuser Connection

100 MM Dia

Dismantling of the existing system of (28 VRF Systems) with loading and unloading from Hiranandani to IIM Indore Campus

Supply, Installation, Testing & Commissioning of Ceiling Suspended type fresh air Inline Fan With Filter etc. for Fresh Air arrangement for the complete VRF system in slots as per the requirement of each unit & complete job as per the design and as per the direction of engineer-in-charge. (Make:- KRUGER/ OSTOBERG/ NICOTRA/ HUMIDIN

Providing and applying white cement based putty of average thickness 1 mm, of approved brand and manufacturer, over the plastered wall surface to prepare the surface even and smooth complete.

Finishing with Deluxe Multi surface paint system for interiors and exteriors using Primer as per manufacturers specifications : Two or more coats applied on walls @ 1.25 ltr/10 sqm over and including one coat of Special primer applied @ 0.75 ltr /10 sqm

Providing and fixing false ceiling at all height including providing and fixing of frame work made of special sections, power pressed from M.S. sheets and galvanized with zinc coating of 120 gms/sqm (both side inclusive) as per IS : 277 and consisting of angle cleats of size 25 mm wide x 1.6 mm thick with flanges of 27 mm and 37mm, at 1200 mm centre to centre, one flange fixed to the ceiling with dash fastener 12.5 mm dia x 50mm long with 6mm dia bolts, other flange of cleat fixed to the angle hangers of 25x10x0.50 mm of required length with nuts & bolts of required size and other end of angle hanger fixed with intermediate G.I. channels 45x15x0.9 mm running at the spacing of 1200 mm centre to centre, to which the ceiling section 0.5 mm thick bottom wedge of 80 mm with tapered flanges of 26 mm each having lips of 10.5 mm, at 450 mm centre to centre, shall be fixed in a direction perpendicular to G.I. intermediate channel with connecting clips made out of 2.64 mm dia x 230 mm long G.I. wire at every junction, including fixing perimeter channels 0.5 mm thick 27 mm high having flanges of 20 mm and 30 mm long, the perimeter of ceiling fixed to wall/partition with the help of rawl plugs at 450 mm centre, with 25mm long dry wall screws @ 230 mm interval, including fixing of gypsum board to ceiling section and perimeter channel with the help of dry wall screws of size 3.5 x 25 mm at 230 mm c/c, including jointing and finishing to a flush finish of tapered and square edges of the board with recommended jointing compound , jointing tapes , finishing with jointing compound in 3 layers covering upto 150 mm on both sides of joint and two coats of primer suitable for board, all as per manufacturer's specification and also including the cost of making openings for light fittings, grills, diffusers, cutouts made with frame of perimeter channels suitably fixed, all complete as per drawings, specification and direction of the Engineer in Charge but excluding the cost of painting with :

12.5 mm thick tapered edge gypsum moisture resistant board

Providing and fixing mineral fibre false ceiling tiles at all heights of size 595X595mm of approved texture, design and pattern. The tiles should have Humidity Resistance (RH) of 99%, Light Reflectance ? 85%, Thermal Conductivity k = 0.052 - 0.057 w/m K, Fire Performance as per (BS 476 pt - 6 &7)in true horizontal level suspended on interlocking T-Grid of hot dipped all round galvanized iron section of 0.33 mm thick (galvanized @120 gsm) comprising of main T runners of 15x32 mm of length 3000 mm, cross T of size 15x32mm of length 1200 mm and secondary intermediate cross T of size 15x32 mm of length 600 mm to form grid module of size 600x600 mm suspended from ceiling using galvanized mild steel item (galvanised@80gsm) 50 mm long 8mm outer diameter M-6 dash fasteners, 6 mm diameter fully threaded hanger rod up to 1000 mm length and L-shape level adjuster of size 85x25x2 mm, spaced at 1200 mm centre to centre along main ‘T’. The system should rest on periphery walls /partitions with the help of GI perimeter wall angle of size24x24X3000 mm made of 0.40 mm thick sheet, to be fixed to the wall with help of plastic rawl plug at 450 mm centre to centre & 40 mm long dry wall S.S. screws. The exposed bottom portion of all T-sections used in false ceiling support system shall be pre-painted with polyester baked paint, for all heights. The work shall be carried out as per specifications, drawings and as per directions of the engineer-in-charge.

With 16 mm thick beveled tegular mineral fibre false ceiling tile (NRC 0.55 to 0.6

Dismantling aluminium/ Gypsum partitions, doors, windows, fixed glazing and false ceiling including disposal of unserviceable material and stacking of serviceable material with in 50 meters lead as directed by Engineer-in-charge.

maxcool solutions pvt ltd (BID ID -3220494)

A 2 ENTERPRISES (BID ID -3226867)