Chandigarh Administration Tender

The heat exchanger for Outdoor shall be constructed with Copper tubes mechanically bonded to aluminium fins to form a cross fin coil. The Condenser fins must be coated with Anti-corrosive treatment. Make as per approved make list.

Note: The civil foundations reqd shall be made by the tenderer

8.5 TR ( ± 5%) with 3400 CFM

5.5 TR ( ± 5%) with 2200 CFM

Supplying & installation of Cassette type A.C. 2.0 ton capacity with R-32/R-410 gas with copper condenser The A.C. shall be suitable for 230 Volts, 50 HZ single phase & shall be capable of performing following function:- (i) Cooling (ii) Dihumidifying (iii) Air circulation (iv) Filtering. including installation charges complete in all respect to the entire satisfaction of EIC. Make as per approved make list.

Providing and Fixing of Voltage Stabilizers with Copper winding Input range 170 to 280 Volts, Nominal output-230 Volts each complete in all respects. Make as per approved make list.

5 KVA capcity

Providing & Fixing of Powder coated ready made heavy duty out door stand for Split/cassette out door as per site requirement to the entire satisfaction of Engineer- in Charge.

Refrigerant Piping

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 :

9.5 mm dia (OD) (Soft drawn) with tube thickness 0.8 mm with 13 mm thick insulation

12.7 mm dia (OD) (Soft drawn) with tube thickness 0.8 mm with 19 mm thick insulation

15.9 mm dia (OD) (Hard drawn) with tube thickness 0.8 mm with 13 mm thick insulation

19.1 mm dia (OD) (Hard drawn) with tube thickness 1.2 mm with 13 mm thick insulation

28.58 mm dia (OD) (Hard drawn) with tube thickness 1.2 mm with 19 mm thick insulation

Condensate Drain Piping

Providing hard PVC Pipes of various sizes for condensed water drainage from Indoor Unit to nearest disposal point as suggested by the EIC complete with all civil work including cutting and chasing the wall / floor, making holes in masonary, RCC or glass and repair the same after doing the work.

40 mm dia with 6mm thick Nitirle Insulation of Class O and of approved make

32 mm dia with 6mm thick Nitirle Insulation of Class O and of approved make

Power and Control Works

Supplying & laying of following XLPE Armoured Cable with copper conductor 650/1100 Volt grade conforming to IS 7098 Part 1 including fixing the same on walls with clamps, saddles and bolts or hanging on cable tray including jointing, connecting, terminating and commissioning

4 core x 6 sqmm

4 core x 10 sqmm

4 core x 16 sqmm

Providing and fixing of Overall Shielded Armoured Instrumentation Cable with Copper conductor of approved make and making connections complete with cost of thimbles.

3 core x 1.5 sqmm shielded

Main LT Panel

INCOMING SUPPLY,MCCB 1 nO. 200 Amps 4 Pole = 1 No. ICS=100% ICU = Spreader Link with phase Barriers (Set of 4 for each side of the mccb) Rotary Mechanism = 1 No. Metering Section,Multi function VAF Meter = 1 No.Control MCB SP C Curve = 3 No.CT's 300/5 = 3 No.Indication Lamps LED Type RYB = 3 No.Outgoing Feeder for 8.5Ton - 3 nos / 5.5Tr - 3Nos 63A ,3Pole MCCB,25 KA with Thermal magenetic,release ICS=100% ICU (for AC units of 8.5 / 5.5/4.0Ton) =Spreader Link with phase Barriers (Set of 3 for each side of the mccb ) Rotary Mechanism Fabrication of Powder Coated weather proof double door enclosure with canopy made out of TATA make CRCA sheet having 2 mm for load bearing surfaces & 1.6 mm for non load bearing surfaces ,duly processsed powder coated having Siemens grey Colour = 1 job,Assembly charges of Aluminium Bus Bar 400A TPN Electrolite grade E91 having cross section 1X40X10mm for Phase & 1X40X5 mm for Neutral & Current carring capacity 1 A/Sq. mm2. inclusive of Insulators, colour coded Heat shrinkable Insulation sleeve (RYBN) = 1 job,Assembly of Hardware (PVC Channels/MCB Channels/Fibre-Glass/Gaskits/nuts/Bolts/washers/Terminal blocks, etc) = 1 job

Factory fabricated Rectangular

Supply, installation, testing and commissioning of factory/site fabricated GSS ducting rectangular complete with hanging arrrangement of fasteners, GI threaded rods of sizes:

0.63mm (24 guage) GSM

0.80mm (22 guage) GSM

Grill/Diffussers

SITC of Aluminium extruded powder coated Diffuser for supply air grills with aluminium volume control dampers.

Dampers

Supply, installation, testing & commissioning of GI Collar dampers

Supply, installation, testing & commissioning of CBRI approved Fire duct Dampers for at least 90 min fire rating as per UL555:1955 Specifications without Sleeve

Supply, installation, testing & commissioning of Spring Return Actuator and Control Panel Complete with Heat Sensors , Complete Control wiring and Limit switch,4NM/7NM/9NM,(24VAC/220VAC)

Isolator

Providing & fixing weather proof isolator near each outdoor unit. Capacity 63 Amps 3 Phase.

Cable Tray

Providing and fixing of perforated type GI Cable Tray (1.5 mm thick) for Running Copper Refrigerant Piping of of Following Sizes

50mm(H) x 300mm(W) x 50 mm.(H)

Supply,Fabrication,Installation and testing of Air Curtain along with proximity sensor/contactor connected to the door or lintel beam suitable for height of 3000mm from floor level. Flow Should be 15 m/s. Air curtain to be integrated with proximity sensor/contactor of door.

Size 900 mm

Providing and fixing tiled false ceiling of specified materials of size 595x595 mm in true horizontal level, suspended on interlocking metal grid of hot dipped galvanized steel sections ( galvanized @ 120 grams/ sqm, both side inclusive) consisting of main "T" runner with suitably spaced joints to get required length and of size 24x38 mm made from 0.30 mm thick (minimum) sheet, spaced at 1200 mm center to center and cross "T" of size 24x25 mm made of 0.30 mm thick (minimum) sheet, 1200 mm long spaced between main "T" at 600 mm center to center to form a grid of 1200x600 mm and secondary cross "T" of length 600 mm and size 24x25 mm made of 0.30 mm thick (minimum) sheet to be interlocked at middle of the 1200x600 mm panel to form grids of 600x600 mm and wall angle of size 24x24x0.3 mm and laying false ceiling tiles of approved texture in the grid including, required cutting/making, opening for services like diffusers, grills, light fittings, fixtures, smoke detectors etc. Main "T" runners to be suspended from ceiling using GI slotted cleats of size 27 x 37 x 25 x1.6 mm fixed to ceiling with 12.5 mm dia and 50 mm long dash fasteners, 4 mm GI adjustable rods with galvanized butterfly level clips of size 85 x 30 x 0.8 mm spaced at 1200 mm center to center along main T, bottom exposed width of 24 mm of all Tsections shall be pre-painted with polyester paint, all complete for all heights as per specifications, drawings and as directed by Engineer-in-charge. DSR 12.58

8 mm thick fully perforated calcium silicate board made with Calcareous & Siliceous materials reinforced with cellulose fiber manufactured through autoclaving process to give stable crystalline structure with minimum compressive strength 225 kg/ sq.cm, bending strength 100 kg/sq. cm , of size 595x595 mm, having perforation of dia. 10 mm with minimum perforated area 18 % with non woven tissue on the back side, having an NRC ( Noise Reduction Coefficient) of 0.85, with 50 mm thick rockwool of 48 kg /cum backing.DSR 12.58.1