bids are invited for sitc of vrf based air conditioning system odu 1 - supply and itc of modular type variable refrigerant flow/variable refrigerant volume air cooled outdoor units suitable for cooling/heating having 100% hermetically sealed inverter type twin rotary/scroll compressor(s), minimum two compressors (with individual seperate pcb) for above 6 hp modules/non module, microprocessor based controller, top discharge type condensing unit(s), with r-410-a refrigerant or equivalent, vibration isolators with suitable foundation etc. complete as required, as per nit specifications - 14 hp , odu 2 - supply and itc of modular type variable refrigerant flow/variable refrigerant volume air cooled outdoor units suitable for cooling/heating having 100% hermetically sealed inverter type twin rotary/scroll compressor(s), minimum two compressors (with individual seperate pcb) for above 6 hp modules/non module, microprocessor based controller, top discharge type condensing unit(s), with r-410-a refrigerant or equivalent, vibration isolators with suitable foundation etc. complete as required, as per nit specifications - 10 hp , 4-way cassette unit 1 - supply and itc of following minimum capacity 4 way cassette type indoor ceiling mounted unit equipped with synthetic washable media pre-filter, fan section with low noise fan / dynamically balanced blower, multispeed motor, coil section with dx copper coil, electronic expansion valve, outer cabinet, drain pump, grill, necessary supports, vibration isolation, cordless remote control etc as per nit specifications - 2.56 tr , 4-way cassette unit 2 - supply and itc of following minimum capacity 4 way cassette type indoor ceiling mounted unit equipped with synthetic washable media pre-filter, fan section with low noise fan / dynamically balanced blower, multispeed motor, coil section with dx copper coil, electronic expansion valve, outer cabinet, drain pump, grill, necessary supports, vibration isolation, cordless remote control etc as per nit specifications - 2.0 tr , y joints 1 - supplying, installation, testing and commissioning of odu y/t/multi joints. joints shall be of same original equipment manufacturer (oem) make as of odus and idus , y joints 2 - supplying, installation, testing and commissioning of idu y/t/multi joints. joints shall be of same original equipment manufacturer (oem) make as of odus and idus , cu piping - refrigerant piping for vrf system - supply , installation , testing and commissioning of copper piping in brazed construciton, complete with nitrile rubber insulation, supports/suspenders, as per enclosed specifications. refrigerant piping for suction gas with 19mm thick nitrile insulation & refrigerant piping for liquid gas with 13mm thick nitrile insulation (various capacities as per boq of nit document , d er - supply, installation, testing and commissioning of motorized (on-off type) duct mounted gi volume control d er with enthalpy sensor and necessary control wire for integration within ahu room complete with neoprene rubber gaskets, nuts, bolts, screws linkages, flanges etc in confirmation to smacna/is and as per specifications complete etc. as required - d er , actuator - supply, installation, testing and commissioning of motorized (on-off type) duct mounted gi volume control d er with enthalpy sensor and necessary control wire for integration within ahu room complete with neoprene rubber gaskets, nuts, bolts, screws linkages, flanges etc in confirmation to smacna/is and as per specifications complete etc. as required - actuator , nitrile rubber - supplying and fixing of following thickness duly laminated aluminium foil of mat finish closed cell nitrile rubber (class-o) insulation on existing duct as per nit specifications - 25mm , wiring - wiring for circuit/ submain wiring along with earth wire as per nit specifications , mccb - providing and fixing following rating and breaking capacity and pole mccb with thermomagnetic release and terminal spreaders in existing cubicle panel board as per nit specifications , mcb db 1 - supplying and fixing following way, single pole and neutral, sheet steel, mcb distribution board, 240 v, on surface/ recess as per nit specifications , mcb db 2 - supplying and fixing following way, tpn, sheet steel, mcb distribution board, 240 v, on surface/ recess as per nit specifications , mcb - supplying and fixing 5 a to 32 a rating, 240/415 v, 10 ka mcbs as per boq enclosed with nit document , allied electrical works - allied electrical works as per as per boq enclosed with nit document including sitc of panels , dx coil unit - supply, installation, testing and commissioning of approved make direct expansion (dx) type cooling coil unit for air handling unit (ahu) as per boq/ specifications enclosed with nit document , 4-way cassette unit 3 - supply and itc of following minimum capacity 4 way cassette type indoor ceiling mounted unit equipped with synthetic washable media pre-filter, fan section with low noise fan / dynamically balanced blower, multispeed motor, coil section with dx copper coil, electronic expansion valve, outer cabinet, drain pump, grill, necessary supports, vibration isolation, cordless remote control etc as per nit specifications - 3.2 tr , ahu - supply and itc of sheet metal sectionalised construction double skin ahu for vrf/vrv system as per boq/ specifications enclosed with nit document , ahu kit - supply and itc of ahu kit , ref gas - refrigerent gas - supply and top-up of refrigerent gas r410a. , control cable - control cable - supply, installation, testing & commissioining of control cum transmission cabling between odu & idu 2c x 1.0 sqmm cu cable in rigid pvc conduit duly supported. , drain pipe - drain piping - supply, installation and commissioning of upvc drain piping with 6/9 mm thick closed cell nitrile rubber insulation with all fittings, solvent, necessary accessories and supports. thermal insulation sleeve joints shall be sealed with black tape - 25 mm/32 mm , ducting - supply, installation, balancing and commissioning of factory/hand fabricated aluminium sheet metal rectangular ducting complete with neoprene rubber gaskets, elbows, splitter d ers, vanes, hangers, supports etc. as per approved drawings and specifications of following sheet thickness complete as required - thickness 0.8 mm , acoustic nitrile rubber - supplying and fixing of following thickness open cell acoustic nitrile rubber insulation on existing duct after applying suitable adhesive for nitrile rubber. as per specifications and as required - thickness 10mm. , vfd - supply, installation,testing, & commissioning of variable friquency drive , strip heater - supply,installation,testing & commissioning of strip heater along with controller , pdp - supply of power distribution panel ac distribution panel board - ip65, free standing, metal cladded, having copper bus bar, having required protection and control gears, connection-interconnection, without mcbs etc. as required to be made of customised requirment for outdoor fixing. , al cable 1 - supply of lt armoured aluminium cable (1.1kv) as per boq/ specifications enclosed with the nit document - 16 sqmm , al cable 2 - supply of lt armoured aluminium cable (1.1kv) as per boq/ specifications enclosed with the nit document - 35 sqmm total quantity : 1493