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| 1 | Dismantling and removal of the existing 2000 CFM Air Handling Unit, including disconnection of electrical, ducting, and piping connections. The work includes safe handling, shifting, and disposal/stacking of dismantled components as directed and as required by engineer incharge |
| 2 | Supply, Installation, testing and Commisioning of Double Skin Ceiling Suspended Air Handling unit with 40 mm thick PUF insulated panel and aluminium corner profile with Thermal break construction Air Handling Unit suitable for Chilled water system, which having features Pre Filter section,Fine Filter section,4/6 Row Deep Chilled Water coil section.The motor features having Supply air Plug / DIDW type backward/ Forward curve fan with suitable motor. Efficiency of the blower should be more than 75%. The motor should be Squirrel cage induction motor,Blower motors shall be Compatable with Variable frequency Drives,vibration isolators,the motor should be suitable for 415±10% volts, 50 cycles, 3 phase AC supply. Fan motor assembly (as whole) shall be statically and dynamically balanced. The units shall be complete with opposed blade volume control dampers at oulet. AHU External static pressure - 15 mm of wg . The capacity of the CFM should be : 4000 CFM - 11TR and ESP - 15 mm of wg n of make Voltas/Mitsubishi Electric/LG/ make or of appropriate make & as required by Engineer incharge |
| 3 | SITC of inverter type 5 star split units which should include 25 Rmt CU piping for each split unit ,stand for outdoor unit,communication cable between indooor & outdoor unit,Refrigerant as per requirement ,25 Rmt Drain piping along with 6mm thick nitril insulation for each split unit of make Voltas/Mitsubishi Electric/LG/ make or of appropriate make & as required by Engineer incharge |
| 4 | 2.0TR Inverter type 5 star split units |
| 5 | SITC of inverter type 5 star Dx Cassette units which should include 25 Rmt CU piping for each split unit ,stand for outdoor unit,communication cable between indooor & outdoor unit,Refrigerant as per requirement ,25 Rmt Drain piping along with 6mm thick nitril insulation for each split unit of make Voltas/Mitsubishi Electric/LG/ make or of appropriate make & as required by Engineer incharge |
| 6 | 2.0TR Inverter type Dx Cassette units |
| 7 | Dismantling of existing ducting with AHU & the Mouth connection of the AHU with newDucting piece shall be done as required by engineer incharge |
| 8 | Providing Ducting made out of GI sheet with proper gasketing, supports,Consumables rods etc and fabricated as per standards. All flange joints shall be sealed with RTV Sealent to make it air tight. As per SMACNA Standard and as required by engineer incharged |
| 9 | 24 Guage |
| 10 | SITC of 19mm thick closed cell elestromatic nitrille rubber by suitable adhesive with aluminium foil for the new Mouth connection & the New Ducting as required and as per engineer incharge |
| 11 | Supply, installation, testing & commissioning of Chilled water manifold Suitable for 4000 CFM AHU pipe size with closed cell Nitrile Rubber insulation of 19mm thk. MS ERW 'C' class pipe with all necessary fittings i.e. bends, reducers, flanges etc and as required by engineer incharge |
| 12 | Supply and Installation of Insulated drain piping PVC pipes from AHU drain pans, complete with U - trap and necessary fittings and as required by engineer incharge |
| 13 | 32mm dia |
| 14 | Supply, installation, testing and commissioning of volume control damper of required size, complete with opposed blade arrangement, operating mechanism, and accessories for proper air balancing, as required by engineer incharge |
| 15 | Supply, installation, testing and commissioning of 600×600 ceiling diffuser with collar damper, including frame, fixing arrangement and accessories for uniform air distribution, complete in all respects and as required by engineer incharge |
| 16 | Providing, erecting and dismantling of scaffolding up to 8 m height, including all safety measures, platforms and supports,and as required by engineer incharge |
| 17 | Loading, unloading, lifting, shifting and proper placement of ductable units and ancillary materials at site using required tools and manpower, ensuring safe handling and as required by engineer incharge |
| 18 | Providing and Fixing of high-quality refrigerant grade copper piping with 10 mm thick insulation as required .Piping should be properly brazed, pressure tested and supported to ensure leak-proof operation and efficient refrigerant circulation of relevant make & as required by Engineer incharge Please Enable Macros to View BoQ information |
