Public Works Department Tender

Providing ,installation & commissioning of horizontal floor mounted/ceiling suspended AHU with GI sheet metal cabinet type in double skin construction fabricated from extruded aluminium profile frame (thermal break) structure. The inner skin 0.6 mm thick GI Plain & Outer skin 0.6 mm thick GI sheets pre coated/powder coated construction with 45 mm thick CFC free PUF insulation(Density 40-42kg/cubic mtr.) with internal coving and in thermal break construction complete with following section with single mixing chamber with Pre-filter & Fine filter section, DX type cooling coil. 20 Micron filter-HDPE washable type, coil area 4.40 sq. ft. 6 coil rows,3/8'' ODx0.41mm thick seamless copper tubes,0.15 mm thick x 12-13 aluminium fins/inch,18 G.S.S drain pan with 10 mm thick insulation on outside, provided with return air & fresh air opening,3 kw GI electric tubular heater,3 phase,2 pole,415 v(+-10%),IP 55,TEFC sq. case induction Motor as per direction of the engineer-in-charge.( Make: ETHOS/Edgetech/Zeco, compatible with VRF Outdoor unit) i)Capacity:- 5.5 TR, 2200 CFM (Floor Mounted/ceiling suspended AHU) with 20% fresh Air.

Providing , Installation & commissioning of Variable Refrigerant Flow (VRF) System Outdoor units of AC machines minimum capacity of 14 HP or 11.2 TR each Top discharge, Modular type only cool, next generation VRF, each outdoor unit comprises of 100% inverter Driven Hermetically sealed Scroll Compressors , air cooled condenser with protective coated fins heat exchange corrosion fin factory coated propeller type fan with motor , specially designed ODUs with refrigerant cooled heat sink , non stop working at 56 degree C, with R410A or equivalent Refrigerant , working on 3 phase AC range of 380 volt to 420 (±5%)Volt, 50Hz , the outdoor unit should contain error code LED display for ease of operation, auto addressing setting refrigerant cool PCB, Electronic expansion Valve, microprocessor controller, VRF unit should be compatible with AHU/TFA etc. complete as per direction of the Engineer in charge.

Supply of AHU Kit for Connecting of AHU with MRV/VRF Outdoor AC as per design.