Improvement Augmentation of HVAC System and BMS with other energy efficiency equipment at R.B. Airport, Bhopal. SH Provision of Additional Air conditioning Units at Ground Floor SHA of NITB.

Amount

Supply, Installation, Testing & Commissioning of Modular type Variable Refrigerant Flow/variable Refrigerant Volume air cooled Outdoor units suitable for cooling / heating having all hermetically sealed inverter type scroll Compressor(s), minimum two compressors and two condenser fans for above 14HP modules, microprocessor based Controller, top is charge type condensing unit(s), with Eco friendly Refrigerant, vibration isolators, including necessary 'Y' joints for modular units with suitable foundation etc. complete as required. The Unit shall deliver the rated capacity at AHIR conditions and work even at 50⁰C Ambient Temperature without tripping. The unit shall be suitable to work on 400V +/- 10%, 3 Phase, 50hz AC power supply. The unit shah is 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.

Supply, Installation, Testing and Commissioning of following minimum capacity 4-way 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, factory fitted drain pump, grill, necessary supports, vibration Isolation, corded remote control etc., suitable for operation on single phase 230 V 1 10%, 50Hz AC supply, complete, as required. The unit shall have automatic force shout down provide in case of fire on receiving signal from BSM System. The cooling capacity of indoor unit will be air Intel condition of 27⁰ C DB and 19⁰ C WB Temperatures. (INDOOR UNIT- CASSETTE TYPE) 1.65 TR to 4.5 TR

Supply, Installation, Testing and Commissioning including vacuuming and Nitrogen testing of following nominal sizes of soft / hard drawn copper refrigerant piping of 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 elastomeric nitrile rubber tubular sleeves section of specified thickness as given below for suction and Liquid lines, all accessories as per Specifications etc. as required.

44.0 mm OD wall thickness ≥ 1.4mm (insulation-19 mm thick)

41.1 mm OD wall thickness ≥ 1.4mm (insulation-19 mm thick)

34.9 mm OD wall thickness ≥ 1.4mm (insulation-19 mm thick)

28.6 mm OD wall thickness ≥ 1.2mm (insulation-19 mm thick)

25 mm OD wall thickness ≥ 1.2mm (insulation-19 mm thick)

22.2 mm OD wall thickness ≥ 1.0mm (insulation-19 mm thick)

19.1 mm OD wall thickness ≥ 1.0mm (insulation-13 mm thick)

15.9 mm OD wall thickness ≥ 0.8 mm (insulation-13 mm thick)

12.7 mm OD wall thickness ≥ 0.8 mm (insulation-13 mm thick)

9.5 mm OD wall thickness ≥ 0.8 mm (insulation-13 mm thick)

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

20mm dia

25 mm dia

32 mm dia

Supply of additional Eco-friendly Refrigerant green gas R410/R410A to compensate the additional piping done at site for all systems including testing commissioning as required.

Supply, Installation, Testing & Commissioning of ref nut / Y-joints brass for indoor and outdoor units of suitable size as per requirement (FOR INDOOR UNITS)

Supply and drawing of 2C x 1.5 Sq.mm. Shielded Braided copper conductor in PVC Conduit (medium class) from Indoor unit to outdoor unit complete as required.

2Cx1.5 sq.mm

Supply, Fabrication and installation of MS base frame (for VRV / VRF Outdoor unit) of suitable size with painting of 01 coat red oxide primer and 02 coat of black enamel paint complete as required.

GSS RECTANGULAR DUCTING Supply, Fabrication, installation and testing of sheet metal ducts (Site FABRICATED DUCTS For Connection / Plenum etc.) in accordance with the approved shop drawings complete with all accessories like vanes, flanges, suspension rods, anchor bolts, Gl bolts & nuts, etc., as per specifications. 0.63 mm sheet duct

INLINE FAN WITH SPEED REGULATOR Supply, Installation, Testing and Commissioning of Inline Fan with direct / belt driven motor, belt guard, motor mount & vibration isolation type mounting. Casing shall be of 14 gauge steel sheet with min. 20 mm thick motor mounting plate. Vanes shall be Aerodynamically designed for max. efficiency the casing shall be bonderized, primed & coated with enamel paint. Hub & blades will be of Aluminium, blades shall be Aerofoil section for max. efficiency. Max clearance between blade tip & fan housing shall be 5 mm. The blade shall be tested at speed of 25% above the design operation speed. Motor shall be IE3 415/220 + 10% volts, 50 cycles, 3 phase with class F insulation. Max. speed of motor shall be 1500 RPM, complete as per specifications & drawings. Fan should be complete with fire retardant, water proof double flexible connection between fan & duct. Capacity: 900 CFM Minimum Static Pressure: 20 mm of wg

Weartech Engineers Pvt Ltd (BID ID -849964)

COOL TECH ENTERPRISES (BID ID -849273)

AIR DESIGN SOLUTIONS (BID ID -851300)