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| 1 | Supply & Installation of top discharge hybrid VRF air conditioning system comprising of modular type high efficiency twin rotary multiple compressor with inverter type, high efficiency heat transfer cooling coil suitable for environment friendly R410a refrigerant , air cooled propeller type condenser fan with DC motor drive, interconnecting piping, suction line insulation etc. Micro-processor control panel suitable for automatic operation, high speed calculation inverter control, active oil control mechanism incorporating all safety functions as per equipment specifications & complete all as specified and as listed below:-Note : (i) The unit mounted starter panel shall be complete with IP-55 protection consisting of power disconnecting switches with fuses, starters, for compressor motors, under / over voltage trip relay, single phase preventers, communication card which can accept 4-20 mA or 2-10 Vdc analog signal.(ii) All components shall be mounted on welded steel base frame, structural steel profiles/ panels made out of galvanized sheet steel, protected with primary coat & finished with epoxy paint.(iii) Modular type outdoor units equipped with highly efficient scroll compressors, with inverter type compressor(s), special acryl precoated heat exchanger, low noise condenser fan, auto check function for connection error, auto address & UNIT Price shall be exclusive of outdoor stand price. Shifting & Installing of ODU as per drawing is part VRV vendor scope. (ODU location & capacity mentioned below). Shifting of out door units from GF to Terrace floor is part of VRF vendor scope.(iv) All VRV units should be compatible for third party BMS integration. Necessary bacnet Card / integrator should be consider in part HVAC/VRF vendor scope. (v) All unit COP should meet the Well & LEED requirements. Approx it should be more than 3.4.EER needs to be more than 13 [For >5 TR] |
| 2 | Top Discharge Outdoor Unit (ODU) : Cooling Capacity :40 HP |
| 3 | Supply and fixing Indoor Unit (IDU) ductable Cooling type of capacity of serving area 11 TR for each type of Room. Drycontact should be considered for Auto change over, failure status, overload sequencing etc. complete all as specified and directed. |
| 4 | Supply and fixing imported fittings like Y-Joints and headers etc as per the layout required with additional supports at both ends of the Y joint complete all as specified and directed. |
| 5 | Supply and fixing interconnecting copper refrigerant pipe duly insulated with elastomeric nitrile rubber type tubular insulation between indoor & outdoor units as per specifications complete all as specified and directed for the following seze outer dia:- |
| 6 | (a) 41.3mm OD (insulation =13 mm thick) |
| 7 | (b) 34.3mm OD (insulation =13 mm thick) |
| 8 | (c ) 28.6mm OD (insulation =13 mm thick |
| 9 | (d) 22.2mm OD (insulation =13 mm thick |
| 10 | (e ) 19.1mm OD (insulation =13 mm thick |
| 11 | (f) 15.9mm OD (insulation =13 mm thickNote: for items no 2.01 to 2.06 above:- (i) All piping inside the room shall be properly supported with hanger and all piping should be run in perforated cably tray. (ii) MS supports for refrigerant piping & cables, using angles, channels, Tees, flats, etc should be considered as part of scope (iii)All MS supports shall be given a coat of red-oxide primer and two coats of synthetic enamel paint of approved colour. |
| 12 | Supply, installation, testing and commissioning of U-PVC Insulated condensate drain piping from the indoor units, CSUs and AHUs till the nearest drain points with necessary bends and Elbows with Class O 9 mm thick nitrile rubber/Oxide acetate foam insulation with thermal conductivity not more then 0.029 W/m K (0.25Btu.in/hr.ft^3) at mean temperature 0 deg C and clamp support as required for laying the drain pipe. and water vapor permeability less than 2.9xE-14 g/pa.m.s µ > 120000.002G/cm2, complete all as specified and directed for the following size /dia :- |
| 13 | (a) 32 mm dia. |
| 14 | Supply & fixing of 2 C x 1.5 sqmm copper cable for control cum trans-mission between Indoor unit and Out Door Unit through PVC Conduit complete all as specified and directed. |
| 15 | Supply & providing of MS stand for VRV ODU along with proper supports-suitable for above configuration complete all as specified and directed. |
| 16 | Supply, Filling, testing, commissioning including topping up of R410 A Refrigerant complete all as specified and directed. |
| 17 | Supply,& fabrication G.I Duct 24G with 9mm Nitrle insualtion with all fitings like tee bend elbow etc complete all as specified and directed. |
| 18 | M & L for power/sub main wiring with four runs of single core 16 sqmm size and one run of single core 16 sqmm (green colour as earth continuty conductor ) PVC insulated unsheathed multi stranded copper conductor cables drawn through and including rigid PVC concealed conduit complete all as specified and directed.(Note - four runs of 16 sq mm single core copper conductor and one runs of 16 Sq mm copper conductor shall be measured as one unit length). |
| 19 | Taking down existing old us BER AC plant located at MH Danapur of capacity 3X7.5 TR by disconnecting its electrical connection/control cables and complete accessories removal of plant by using necessary T & P and deposit in MES store yard or keep aside where directed by Engineer -in- Charge within distance not exc. 200 mtrs complete all as specified and directed. S&F steel work in tubular trusses including special shaped washer etc complete using ERW or induction butt welded tubes confirming to I.S. 1161-1998 Please Enable Macros to View BoQ information |
