PROVISION OF VRV/ VRF SYSTEM AND 2TR SPLIT ACS AT NORTH HUTMENT OF

Amount

Supply and install, test and commissioning of Air Cooled Variable Refrigerant Volume / Flow (VRV / VRF) Outdoor units (working and stand by) with all Inverter Scroll Compressor in each individual unit, preferably all compressors of suitable capacity, air cooled copper condenser coils must have Ocien Black / Blue Fins coatings for corrosion resistance, condenser fan motor shall be weather proof, brushless DC drive, fan shall have lower vibration, motor shall have minimum 10 steps and air flow resistance with protective grill, suitable for 380-420 Volts, 3 Phase + N, 50Hz, AC supply, with Heating-Cooling facilty suitable for 415 + 10% for outdoor and 230 + 5% volts for Indoor units complete with indoor and out door units, controllers, accessories and shall deliver 100% capacity at 43 degree centigrade temperature and shall be suitable for operation in upto 50 degree centigrade ambient without tripping or failure, minimum Full load coefficient of performance (COP) must be 4.1 and minimum part load COP must be 7.2, defrost technology, 6 bypass valve compressor, including Refrigerant R-410A / R 407C with first charge of refrigerant gas, suitable PCC foundations, including loading / unloading and shifting to floor / terrance and connecting earthing for out-door units from the panel, of following capacities / units, complete all as specified and directed:- MAKE:- O GENERAL/ MITSUBISHI/ TRANE/ TOSHIBA/ HITACHI

VRF Outdoor Unit 18 HP

VRF Outdoor Unit 16 HP

Design, manufacturing & supply of following air cooled type four directional air flow type Indoor Air conditioning units of following capacities for mounting on wall comprising of cooling coil , blower with multi speed motor, electronic expansion valve , supply and return air grills, filters, insulated connection of refrigeranmt circuit, provision for condensate water drain pump with electronic water level sensor, including wireless remote control system. All the indoor units shall be compatible to work with VRV/VRF type condensing unit. MAKE:- O General / MITSUBISHI / TRANE

Indoor Units Hi wall type 2TR

Indoor units Hi wall type 1.5 TR

Y/T Joints

Remote Control Cordless

Supply and install, test and commissioning of hard drawn copper refrigerant pipes for VRF Indoor and Outdoor units with necessary copper fittings, laid neatly, secured with GI clamps and wall brackets with pipe supports as per technical specifications, at every 1.5 meter interval and at bends including insulation with 19 mm thick class "O" nitrile rubber, UV treatment (coating) for exposed refrigerant piping insulation complete all as required at site as per specifications, of the following sizes, complete all as specified and directed:- MKAE:- MEXFLOW / MANDEV / TOTAL LINE

28.60mm (1.125") of thickness 1.219mm (0.048")

25.40mm (1.00") of thickness 1.219mm (0.048")

22.20mm (0.875") of thickness 1.219mm (0.048")

19.10mm (0.75") of thickness 1.219mm (0.048")

15.90mm (0.625") of thickness 1.219mm (0.048")

12.70mm (0.50") of thickness 0.914mm (0.036")

9.50mm (0.375") of thickness 0.914mm (0.036")

Supply & fix copper control communication transmission wiring 3Cx 1.5 sqmm in PVC conduit between indoor & outdoor, indoor units and their remotes. Make : Havells/ RR Kabel/ Finolex

Supply & fix PVC drain pipes threaded 25 mm dia and fith clamps at every 1 m along with bends and maintaining slope complete all as specified and directed by Engr-in-Charge

Supply, install, test and commissioning of out-door type LT distribution board made out of 3.0mm thick CRCA sheet, CPRI approved, double door totally enclosed, weather, dust and vermin proof as per IS with front and rear opening, suitable locking arrangement, top with sloping canopy having aluminum bus bar of 600Amp capacity for RYB and for neutral and insulated with insulators, including provision of cable glands, connecting incoming and outgoing cables necessary PCC 1:3:6 type C1 (20mm graded stone aggregate) in foundation and suitable size of angle iron grouted at terrace floor above 300mm from floor level, with and including provision of the following, complete all as specified and directed:- NOTE:- The quoted rate includes necessary internal wiring for meters, CTs, indication lamps etc and rigid bus bar connections from bus bar to MCCB terminals, connection bus to MCCB. (For out-door unit of Ground Floor and First Floor ACs to be placed / mounted over First Floor terrace). Make for LT panel- Universal Switch Gears, Havells, ABB

(a) MCCB, FP, 200Amp rating with microprocessor release, Icu = 16KA, Ics = 100% of Icu with adjustable overload setting (minimum 70% to 100%) - 01 No. (incoming), Make-Schneider/ Siemens/ ABB/ GE (b) MCCB, TPN, 63Amp with thermal magnetic release Icu = 16KA & Ics = 100% of Icu with adjustable over load setting (minimum 70% to 100%) = 3 Nos. (outgoing) Make-Schneider/ Siemens/ ABB/ GE (c) Automatic Phase Sequence Corrector 100 KVA- 01 Nos. Make-Universal Switch Gear/Schneider/L&T (d) Digital ammeter of size 96mm x 96mm - 01 No. Make- AE/L&T (e) Digital voltmeter of size 96mm x 96mm - 01 No. Make- AE/L&T (f) R-Y-B phase indicator lamps LED type - 1 set. Make-AE /L&T (g) Suitable rated CTS

M&L for laying of XLPE PVC sheathed armored cable 35 sqmm 4 core complete all as specified and as directed by Engr-in-Charge. Make-Gloster, Havells, polycab

M&L for fixing of metal clad AC box along with single pole MCB SP 32 Amp. Complete all as specified and as directed by Engr-in-Charge

Supply, install, testing & commissioning Voltage stabilizer for automatic operation, three phase naturally oil cooled indoor type & designed for input variation between 340 V to 460 V with output voltage stabilized at 415 with accuracy ± 2.5% and speed of correction 8 Volts per second and of capacity 40 KVA. Make- ITE, IECO, AE

Supply and install hi wall split type Inverter Air Conditioner units indoor/outdoor unit complete with copper condensor with heating and cooling function with cordless remote control unit and with in built air ioniser and Plasma/HEPA filter for better air quality with 5 star rating of capacity 2 TR split unit air conditioner electric driven single phase complete all as specified and directed by Engr-in-Charge. Make-Hitachi Kahsikoi 400 X RMA 524CBEA / Carrier (Octra Neo + Inverter) / equivalent in O General

Supply and fix copper tubing 1/4 inches dia suitable for AC ducting complete with brazing and jointing complete all as specified and directed by Engr-in-Charge

Supply and fix copper tubing 1/2 inches dia suitable for AC ducting complete with brazing and jointing complete all as specified and directed by Engr-in-Charge

Supply and fix PVC rigid drain pipe threaded 20 mm dia along with connecting accessories and fixing saddle at every 1 m complete all as specified and directed by Engr-in-Charge

Supply and fix copper cable 4 sqmm 3 core with necessary bottle lugs and connecting complete all as specified and directed by Engr-in-Charge. Make-Havells cat part No WHMFDSKB34X0, Plaza, Finolex

M&L for fixing of metal clad AC box along with single pole MCB SP 32 Amp. Complete all as specified and as directed by Engr-in-Charge. Make-Havells, Schneider/ Legrand

M&L for sub main wiring with multistranded FR copper conductor cable PVC sheathed in and including concealed suitable PVC conduit with two runs of 4.0 Sqmm and 4.0 Sqmm FR copper conductor as earth wire and connected to earth dolly all as specified and as directed by Engr-in-Charge. Make -cable- Finolex/Havells/Kallinga/RR Kabels, PVC conduit - Presto Plast/Kalinga/Plaza.( The work includes cutting of Chasis and making good the disturbed surfaces)

Supply & fix voltage stabilizer 5 KVA, 240 V for operation range 140-280 V single phase supply. Complete all as specified and directed by Engr-in-Charge. Make- Bluebird, V Guard, Microtek

RefAir Technical Services