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| 1 | Supply, erecting, installation, testing and commissioning of 26 HP modular type Variable Refrigerant Flow/Variable Refrigerant Volume (VRF/VRV) air cooled outdoor unit – complies type-IV OEM standards working on R410A refrigerant or equivalent environmentally acceptable refrigerant suitable for Indian climatic conditions. Air cooled outdoor unit with vertical hot air discharge should be suitable for cooling and heating application, complete with all accessories as required. The unit shall deliver rated cooling capacity at AHRI conditions, 100 % capacity at 47 oC and shall be capable of continuous operation at ambient temperature up to 56°C without tripping. The outdoor unit shall consist of hermetically sealed inverter scroll compressor(s), microprocessor-based control system, refrigerant piping accessories, vibration isolators and weatherproof powder coated cabinet.Modules above 14 HP shall have minimum two compressors for improved reliability and part load operation. The system shall be suitable for long refrigerant piping applications as per OEM recommendations.The COP at AHRI conditions shall not be less than 3.7 and IEER shall not be less than 6.5. The unit shall operate on 415V ±10%, 3 Phase, 50 Hz AC supply.Air cooled copper condenser coil of suitable shape for increasing maximum heat transfer area, rain protection cover, built in oil separator, accumulator and oil receiver, copper tube aluminium fin air cooled condenser, condenser fan with motor suitable for 415V ±10%, 3 Phase, 50 Hz AC supply. The complete unit should be suitable for high ambient conditions. Internal copper refrigerant piping, internal wiring and control panel etc. all housed in powder coated weatherproof cabinet. |
| 2 | Supplying, laying / fixing, testing and commissioning of appropriate nominal refrigerant copper pipefor liquid line / suction line supply and return piping of suitable gauge ( hard drawn copper pipe for liquid main line and for refrigerant ) along with necessary supports, hangers, clamps, vibration isolators and fittings such as bends, tees, valves, gauges, strainers with insulation of 19 mm thick elastomeric nitrile rubber along with application of multicoating suitable for use with VRV / VRF piping for protection against mechanical damages, fungal growth, flame spread, water permeance and ultra violet radiations complete with OEM standards of VRV / VRF air conditioning system. |
| 3 | Supplying and installation of high pressure grade required size copper connection Y or T- Joints / refnet for liquid and suction line complete erected on wall/ceiling with supports/raceways, Nitrile rubber insulation, painting etc. with brazing and testing for leakages confirming the normal operation of the VRV / VRF air conditioning system. |
| 4 | Providing vaccumising the airconditioner system to 200 micron and charging with R-410A/R32 refrigerant for air conditioning unit. |
| 5 | Carrying out core cutting of size 3\\" to 5\\" dia x 15\\" length in the C.C./rock/stone wall with the help of specialized core cutting machine in proper manner and finishing the site as original. |
| 6 | Supplying and erecting UPVC pipe for drain of 32 mm dia. with required accessories on wall / ceiling as per specification No: WG-MA/CON. |
| 7 | Supply, fabrication, installation an testing of flexible canvass connections constructed between ductable unit / dampers / ducting of required size with fire resist flexible double canvas sleeve complete. |
| 8 | G.S.S. S.A/ R.A. ducting complete with, support rods, angles, channels, galvanized nut bolts, gasket at joints etc. fabricated as per IS specifications. The quantities are as follows -22 Gauge |
| 9 | G.S.S. S.A/ R.A. ducting complete with, support rods, angles, channels, galvanized nut bolts, gasket at joints etc. fabricated as per IS specifications. The quantities are as follows -24 Gauge |
| 10 | Providing adhesive thermal insulation for supply / return air duct with 19 mm nitrile rubber insulation having R-value as per the prevailing provisions in ECBC2007. |
| 11 | Providing and applying of acoustic insulation for air ducts with 25mm thick, 48 kg/cu.m fiber glass faced with RP tissue and covered with 26 SWG perforated aluminium sheets complete. |
| 12 | Supplying and installing of collar damper of galvanised iron material of upto 120 microns for anti corrosive resistance for supply air grill of suitable size. Size 600X150mm |
| 13 | Supplying and erecting aluminium powder coated linear grill of suitable size for width length without collar dampers having matching colour with the existing false ceiling and suitable for deflection of 15/30/45 degree. (150mm) |
| 14 | Supply, installation, testing and commissioning of manually operated, opposed blade, duct mounted, flanged volume control dampers of required sizes in GI construction complete with operating mechanism, mounting arrangement, rubber refrigerant kits etc. complete. |
| 15 | Supply, installation, testing and commissioning of AHU starter panel |
| 16 | Supplying, erecting & commissioning 4 pole RCCB 63A, electromagnetic type with 30/100/300 mA sensitivity with earth leakage trip indication complete as per specification no. SW-RCCB/RCCB |
| 17 | Supplying, erecting & terminating XLPE armoured cable 4 core 4 sq. mm. copper conductor continuous 5.48 sq. mm. (12 SWG) G.I. earth wire complete erected with glands & lugs, on wall/ trusses/ pole or laid in provided trench/ pipe as per specification no. CB-LT/CU |
| 18 | Supplying, erecting & terminating XLPE armoured cable 4 core 16 sq. mm. copper conductor with continuous 5.48 sq. mm. (12 SWG) G.I. earth wire complete erected with glands & lugs, on wall/ trusses/ pole or laid in provided trench/ pipe as per specification no. CB-LT/CU |
| 19 | Providing & erecting Hot dipped galvanized ladder type cable tray manufactured from 16 swg (1.6 mm thick) GI sheet of 150 mm width & 100 mm height comprising all required standard accessories. |
| 20 | Providing & erecting Hot dipped galvanized cover suitable for perforated type cable tray manufactured from 18 swg (1.2 mm thick) GI sheet of 150 mm width & 20 mm height complete with necessary hardware in approved manner. |
| 21 | Supplying and erecting copper strip of required size used for earthing on wall and/or any other purpose with necessary copper clamps fixed on wall painted with bituminous paint in an approved manner with joints required. As per specification no. EA-EP. |
| 22 | Horizontal floor / ceiling mounted double skin air handling units fabricated out of 25 mm thick sandwich panels of G.S.S. on both sides and 25 mm PUF sheet in between, finished with powder coating. Complete with filter section with 10 micron PVC washable filter, DX six row deep Aluminum finned copper tube air cooling Coil, centrifugal forward curved aluminum fan, TEFC squirrel cage induction motor with drive set , damper etc. Floor/Ceiling mounted units Capacity - 20TR, 7200 CFM @ 40 mm wc SP |
| 23 | Supplying, erecting, testing and commissioning of AHU Kit |
| 24 | Supply and laying of Control wiring for units. |
| 25 | Supply and installation of AHU Remote control |
| 26 | Supplying and erecting iron work, sheet metal work consisting of CRCA sheets, various sections of iron, plates, chequered plates, rods, bars, MS pipes, etc. for panel board or any other purpose with bending, cutting, drilling and welding complete erected at the position with necessary materials duly painted with one coat of red oxide and two coats of enamel paint to match the switchgears or as per directions by the authority. |
| 27 | Supply, installation, testing and commissioning of VRF/VRV based Hi-wall type indoor unit (IDU) of nominal cooling capacity 1.3TR (421 cfm) to 1.7TR (586 cfm) having EER as per BEE standards and specifications with multiple speed evaporator fan with motor, copper tube aluminium fin evaporator coil, washable air filter, insulated drain tray, expansion device, cordless remote control with necessary controls, with 3-core copper flexible cord of required length and electrical terminal to receive power supply, etc. IDU shall have anti-corrosive coating suitable for coastal area. Unit shall be suitable for indoor wall mounting, having an electronic control console, provided with suitable mounting brackets with any additional refrigerant and oil charge as per the requirement during installation, connected to the system complete. Please Enable Macros to View BoQ information |
