Supply, Installation, Testing and Commissioning of VRV or VRF system for Academic Block-7, Classroom no. 104,105,204 and 205 at IITGN Palaj, Gandhinagar.

Amount

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

14 HP (134400Btu/Hr. or higher)

Supply, installation, testing and commissioning of following minimum capacity and external static pressure VRF/VRV ceiling mounted ductable type Indoor unit equipped with washable synthetic media pre-filter, fan section with low noise fan/dynamically balanced blower, multispeed motor, coil section with DX copper coil, electronic expansion valve, corded remote control, outer cabinet, vibration isolators, drain pan, other necessary supports etc., suitable for operation on single phase AC supply 230 V ± 10%, 50 Hz complete as required. The unit shall have automatic force shut down provision in case of fire on receiveing 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. Mid Static Ductable units (minimum 45 pascal external static pressure)

2.10 TR (Minimum Capacity)

2.60 TR (Minimum Capacity)

Supply, installation, testing and commissioning of Y Joint/refnet joints complete etc. as required.

Supply, Installation, testing and commissioning including vaccumiazation and Nitrogen testing of following nominal sizes of soft/hard drawn copper refrigerant piping for VRV/VRF system, complete with fittings, with suitable adjustable ring type hanger supports, jointing/brazing including accessories, insulated with XPLE Class-O tubular insulation/with Class-O closed cell elastometric nitrile rubber tubular sleeves sections of specified thickness as given below for Suction and Liquid lines, all accessories as per specifications etc. as required :

3/8" O.D. (21 SWG) - 19mm thick (6.4mmdia(OD)(Softdrawn)withtubethickness1.2mmwith19mmthick insulation)

5/8" O.D. (21 SWG) - 19mm thick (15.86mmdia(OD)(Softdrawn)withtubethickness1.2mmwith19mm thick insulation)

1/2" O.D. (21 SWG) - 19mm thick (12.7mmdia(OD)(Softdrawn)withtubethickness1.2mmwith19mm thick insulation)

3/4" O.D. (21 SWG) - 19mm thick (19mmdia(OD)(Harddrawn)withtubethickness1.2mmwith19mmthick insulation)

7/8" O.D. (21 SWG) - 19mm thick (22.2mmdia(OD)(Harddrawn)withtubethickness1.2mmwith19mm thick insulation)

1-3/8" O.D. (18 SWG) - 19mm thick (34.9mmdia(OD)(Harddrawn)withtubethickness1.62mmwith19mm thick insulation)

Supply,installation,testing and commissioning on the exisiting wall / cable tray/ surface / ceiling / in the exisiting shaft refrigerant Hard Drawn condition copper piping insulated with closed cell elastometric nitrile rubber 'class O' insulation & supports, joints sealed with black cotton tape & other accessories, exposed piping shall be properly covered with UV treated cloth (7 mil thickness and 200 gsm weight, with factory laminated self-adhesive backing) and 2 coats of UV painting. The rate shall be includes topping up referigerant for complete system having total refrigerant piping length etc. as required.

5/8" O.D. (21 SWG) - 19 mm thick

1-3/8" O.D. (18 SWG) - 19 mm thick

Supplying and installing following size of perforated pre-painted M.S cable tray with perforation not more than 17.5%, in convenient sections, joined with connectors, suspended from the ceiling with M.S suspended including bolts & nuts, painting suspenders etc as required. a) 300 mm width X 50 mm depth X 1.6 mm thickness

Supplying & fixing on existing CC foundation / terrace of M. S. supporting structure made of MS chanels & MS angles etc for installing VRF outdoor units duly epoxy coated / galvanized etc as required.

Supplying & installation of rigid ISI marked PVC drain piping of 6Kg / Sq. cm. of pressure rating of following sizes for the units as per specifications including all accessories like bends, tees etc. and duly insulated with 13mm thick insulation with tubular type elastomtric nitrile rubber complete etc. as required.

20 mm Dia.

25 mm Dia.

32 mm Dia.

Supply, installation, balancing and commissioning of factory fabricated GSS sheet metal rectangular/round ducting complete with neoprene rubber gaskets, elbows, splitter dampers, vanes, hangers, supports etc. as per approved drawings and specifications of following sheet thickness complete as required.

24 Gauge ( 0.63 mm )

Supplying & fixing of powder coated extruded aluminium Return Air Grills with louvers but without volume control dampers complete as required.

Supplying & fixing of powder coated extruded aluminium Supply Air Grills with aluminium volume control dampers as per specifications.

Supply and fixing of acoustic lining inside sheet metal ducts using 140-180 kg/m3 Approved Make with Microban, having thickness specified below, conforming to Class 1 - BS 476 applied with Approved make adhesive (having less then max. permissibleVoC content as per GRIHA/Green Rating System) as specified with15 mm thick Acoustic lining with Microban; Duct acoustic lining should be done while the ducts are still on floor, not after installing ducts in position

15 mm THK

Supplying and drawing following sizes of FRLS PVC insulated copper conductor, single core cable in the exisitng surface or recessed steel/PVC conduit as required (also in existing metallic raceways)

3 x 4 sq.mm.

Supplying and fixing of following sizes of medium class PVC conduit along with accessories in surface/recess including cutting the wall and making good the same in case of recessed conduit as required.

Supplying and fixing following modular switch / socket on the existing modular plate and switch box including connections but excluding modular plate etc. as required.

15/16 amp switch

6 pin 15/16 amp socket outlet

Supplying and fixing following size/ modules, GI box alongwith modular base & cover plate for modular switches in recess etc.as required.

3 Module

Supplying and fixing following rating, four pole, (three phase and neutral), 415 volts, residual current circuit breaker (RCCB), having a sensitivity current 30 mA in the existing MCB DB complete with connections, testing and commissioning etc. as required.

Supplying of following sizes XLPE Insulated & PVC sheathed Copper conductor armoured power cable of 1.1 KV grade ISI marked conf. to IS : 7098 (Pt-1) etc. as required

4C X 10 Sqmm Copper conductor cable .

Laying and fixing of one number PVC insulated and PVC sheathed / XLPE power cable of 1.1 KV grade of following size of following size on cable tray as required.

Upto 35 sq. mm (clamped with 1mm thick saddle)

Providing and fixing 4.00 mm dia copper wire on surface or in recess for loop earthing along with existing surface/ recessedconduit/ submain wiring/ cable as required.

Supply and making indoor end termination with brass compression gland and Copper lugs for following size of PVC insulated and PVC sheathed / XLPE copper conductor cable of 1.1 KV grade as required.

4C X 10 Sqmm Copper conductor cable .

Supplying and fixing of PVC Weather proof cabinets - IP 65 - IK 09 - Class II Door and cabinet fully reversible Removable chassis and faceplates from 2-row versions up 2-position rail for modular products and moulded cases Spacing between rails 150 mm - 4Moduel etc as required

Supplying installation testing & commissioning of 32W-40W recessed mounting type LED 2'X2' Luminaire, IP 20 ,colour temperature minimum 5700 - 6500 K having efficacy not less than 80 lm/W, CRI ≥ 80, THD ≤10%, metalic CRCA powder coated housing inbuilt electronic driver, including wiring with 3 core 1.5 sq.mm FRLS PVC insulated and PVC sheathed copper conductor cable and earthing etc. as required. (make - WIPRO- LM15-361-XXX-57-XX - 32W / PHILIPS - RC170B LED29S - 33W / CROMPTION - LCTAR1-40-CDL - 40W)

CIVIL WORK 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 : Note :- In false ceiling section, the vertical side is 1.00 meter height , width is 2.00 meter and length is depends on site condition . The vertical support is to be done by extra support as mentioned in the above specifications which ensure the strength of the vertical support with perpendicular to G.I. intermediate channel with connecting clips made out of 4.00 mm dia x 2200 mm long G.I. wire at every junction.

12.5 mm thick tapered edge gypsum plain board conforming to IS: 2095- (Part I) : 2011 (Board with BIS certification marks)

Providing and fixing glazing in aluminium door, window, ventilator shutters and partitions etc. with EPDM rubber / neoprene gasket etc. complete as per the architectural drawings and the directions of Engineer-in-charge . (Cost of aluminium snap beading shall be paid in basic item):With float glass panes of 5 mm thickness (weight not less than 12.50 kg/sqm)

System Designing

S M Airconditioning

hlk infrastructure pvt ltd

Linc Digital Systems Private Limited