Provision of Air-conditioning (VRV/VRF) System.

Amount

PART-A OUTDOOR UNITS Supply, Installation, Testing & Commissioning of VRV/VRF outdoor units with multiple compressors complete with inverter based type Scroll/Rotary compressors, R-410A refrigerant, cooling & heating mode both options, suitable for 415 +/- 10 % volt, 50 Hz, 3 phase AC supply for outdoor units, special pre-coated fin type heat exchanger, low noise direct driven propeller condenser fans in each module with top discharge. The electronic circuit in each module should be highly advance with Film Capacitors and refrigerant cooled circuits. Each module of outdoor Unit should have Full DC Inverter Scroll/Rotary Compressors & can have single inverter Scroll/Rotary compressor till 14 HP & multiple inverter Scroll/Rotary Compressors beyond 14 HP. In case of any of module failure, the rest of system should be capable of operation. GI coated condenser stands, microprocessor panel with sequential starting of condensing unit, coils, electronic expansion valves, filters in refrigerant circuits, single phase preventor, i/c safeties, in all respect including foundation and anti vibration Pads for ODU, operating range of Compressor for Dry Bulb Temperature -5 to 52 Deg C ( i.e. in cooling mode) and heating mode should be -10 to 15.5 degree C, Machine Sound Level should not be more then 69 dB at distance of 1.5 Mtr. Quoted price shall also be inclusive of loading, unloading, lifting & shifting on other suitable locations as per drawing, and also inclusive of MS angle base frame duly painted & vibration isolation arrangement etc. complete as required. The COP at AHRI conditions shall not be less than 3.1 and IEER not less than 6.5. The unit shall deliver the below mentioned capacity at 42 deg ambient temperature based on the Agra (UP), India ambient conditions during summer.

20 HP (Minimum) for AHU Units

10 HP (Minimum ) For TFA Units

INDOOR UNITS Supply, Installation, Testing & Commissioning of VRV/VRF In-door units & Accessories:- Indoor Units shall be Double skin type Air Handling Units, ceiling suspended type of ratings as specified with 24 Gauge pre coated G.I. outer and indoor skin and 40 mm of suitable PUF insulation, Horizontal type AHU complete with DIDW fans, fan motor Drive, 6 Row Deep DX Cooling Coil, with static 35mm pressure, MERV-8 pre filters, additional MERV-13 filters, Mixing box device, thermal break profile, vibration isolator pad, Expansion Kit, communication kit and wired / wireless remote controller. The indoor units shall be suitable for operation on 415 ±10% volts, 50Hz, 3 phase AC power supply. The cooling coil shall be made of seamless copper tube. This shall includes support structure, all accessories, complete as required.

Ceiling Suspended type AHU: 11 TR (Minimum)/ 4500 CFM

Supply, installation, testing & commissioning of Ceiling Suspended type Treated Fresh Air unit with Double skinned panels to be fabricated with extruded aluminium section framework bolted together with sandwich panel having 24 gauge pre-plasticized outer skin and 24 gauge plain GI inner skin injected with 40 mm thick thermal break profile having suitable PUF insulation of minimum 8 TR & 1600 CFM, 6 Row deep DX cooling coil, static 35mm pressure with suitable electronic expansion valve which can communicate with the controller in the VRF condensing unit, complete with forward curved centrifugal driven set, MERV-8 pre filters, additional MERV-13 filters including wired / wireless remote control, all accessories, etc complete as required.

Supply, Installation, Testing & Commissioning of VRV/VRF In-door units & Accessories:- Indoor Units shall be ceiling mounted Cassette type as specified. The indoor units shall be suitable for operation on 230 ±10% volts, 50Hz, 1 phase AC power supply. The indoor unit shall have independent electronic control valve to control the refrigerant flow rate respond to variations of the air-conditioning load of the room. The fan shall be aerodynamically designed turbo multiblade type. Statically and dynamically balanced to ensure lowest noise. The cooling coil shall be made of seamless copper tube. Indoor units shall have fittings, filter, drain pump in Cassette unit, Panel, required plug top & cable to connect indoor unit to socket, including wireless remote control as per specified, all accessories, complete as required.

Ceiling mounted 4 way Cassette type: 1.5 TR, Single Phase

Ceiling mounted 4 way Cassette type: 1 TR Single Phase

Ceiling Suspended type AHU: 4500 CFM

Ceiling Suspended type TFA AHU: 1600 CFM

SITC of following nominal capacity unitary Inverter type highly efficient ceiling suspended / wall mounted following type Air conditioning units with air cooled condenser complete with inverter type scroll/ rotary compressor, condenser including, cordless remote, indoor units shall be ceiling suspended/ wall mounted type complete with evaporator, fan, filter, drier, expansion devices & microprocessor control panel along with all accessories with R-32 refrigerant & oil charge, remote controls , refrigerant piping of suitable size between Indoor to outdoor duly insulated & suitable size of copper conductor cables (approximate up to 15 m per unit to be provided), MS structure / frame stand (M S Angle size 50 x50 x6 mm.) for outdoor unit and required size of drain piping with insulation (approx 15 Mtrs per unit), complete with indoor hanging arrangement, inclusive of initial charging of refrigerant, etc. complete as required. Makes as per approved make list.

High Wall split (COLD ONLY) Type : 1.5 TR, Nominal capacity, Single Phase, 5 star rated

Ceiling mounted (COLD ONLY) 4 way Cassette type: 1.5 TR, Single Phase 5 star rated

Ceiling mounted (HOT & COLD ONLY) 4 way Cassette type: 1.5 TR, Single Phase 5 star rated

REFRIGERENT PIPING Supply, installation, testing and commissioning including vaccumization and Nitrogen testing of following nominal sizes of soft/hard drawn copper refrigerant piping for VRF/VRV system, complete with fittings, with suitable adjustable ring type hanger supports/ clamp / MS hanger / MS support / MS angle, etc. as per site requirement, jointing/ brazing including accessories insulated with XLPE Class O tubular insulation/with Class O closed cell elastomeric nitrile rubber tubular sleeves sections of specified thickness as below for Suction and Liquid lines, all accessories, as per specification complete as reqd. Quoted price shall be inclusive of necessary glass cloth and minimum two layers of UV protection paint to be applied over insulation for all exposed pipes of approved make. Extra support for Y-joints/bend etc. to be provided as per specification.

44.5 mm O.D. (insulation – 19 mm thick)

41.3 mm O.D. (insulation – 19 mm thick)

34.9 mm O.D. (insulation – 19 mm thick)

28.6 mm O.D. (insulation – 19 mm thick)

22.2 mm O.D. (insulation – 19 mm thick)

19.1 mm O.D. (insulation – 13 mm thick)

15.9 mm O.D. (insulation – 13 mm thick)

12.7 mm O.D. (insulation – 13 mm thick)

9.5 mm O.D. (insulation – 13 mm thick)

6.4 mm O.D. (insulation – 13 mm thick)

Supplying, fixing and commissioning of imported refrigerant joint/ Branch distributors indoor to outdoor complete with nitrile rubber insulation, supporting, etc. complete as per site requirement.

Supplying, fixing and commissioning of imported refrigerant joint/ Branch distributors between Outdoor to outdoor complete with nitrile rubber insulation, supporting, etc, complete as per site requirement.

Supplying, charging & testing of additional charge of Refrigerant R410-A including Pressure Testing, Vacumising, etc. complete as required.

Supply and installation of hot dip G.I. cable tray perforation not more than 17.5% for specific dimensions along with tees, bends, reducers, cross members and other accessories such as suspender from ceiling/ fixed to wall with necessary angle /flat iron / hanging rod, clamps, anchor fastener, nuts, bolts, washers, etc. complete job as required. The tray shall be as follows:-

300mm x 50 mm x 1.6mm thick

150mm x 50 mm x 1.6mm thick

DRAIN PIPING Supply and fixing of Rigid UPVC drain water piping complete with fittings, support as per specification and insulated with 06 mm thick, insulated with closed cell Nitrile Rubber insulation.

25 mm dia ID

32 mm dia ID

40 mm dia ID

50 mm dia ID

SHEET METAL DUCTING Supply, fabrication, erection and commissioning of factory /site fabricated rectangular/oval ducts of approved makes using GI Sheets as per site requirement and specification. The price shall include rolamate / TDF flanges, turning vanes, supports (factory fabricated, full threaded rod & GI slotted channel), sealant (neoprene gasket), hangers, access door etc. complete as required. All the longitudinal and transverse joints shall be sealed with silicon sealant. All ducts shall be pressure tested as per SMACNA standards for leaks at 2" WC pressure and be as per leakage class 24.

0.63 mm (24 Gauge)

0.80mm (22 Gauge)

1.0mm (20 Gauge)

DUCT DAMPERS/ DIFFUSERS/ GRILLES/ COLLAR DAMPERS Supply, installation, testing & balancing of Exhaust Valves for Toilet Exhaust. The valve should provided high initial resistance with wide throttling capability to offset the high system resistances and finished with powder coating as per specifications & approved shop drawings of size ø 150mm.

SITC of Extruded Aluminum, Powder Coated fresh air damper.

SITC of Extruded Aluminum, Powder Coated Exhaust air louver

Supply, installation, testing and commissioning of following aluminium powder coated supply and return air grilles/diffusers as per specifications and drawings:-

Supply Air Square/ liner Diffuser

Return Air Square/ liner Diffuser

Supply & installation of extruded aluminium volume control damper with blades, adjustable lever, frame etc for Supply Air and Fresh Air, as per specifications.

Supply & fixing of flexible connections constructed out of fire resistant double canvas sleeve as per specifications.

Supply, installation, testing & balancing of 315mm (6 mtr. Throw) supply air Jet nozzles as per specifications:-

THERMAL & ACOUSTIC INSULATION SITC of Thermal insulation of Supply air and Return air ducts for GI ducting as per specification using following thick closed cell Cross Linked Polyethylene Insulation with aluminium foil facing. Insulation in slab sections stuck to the duct & fixtures using manufacturer approved cold adhesive on both surface of the duct and inner face of the insulation slab section. The joints shall sealed with 48mm wide, 3mm thick self adhesive nitrile rubber tape.

13 mm thick insulation with Alu. foil

19 mm thick insulation with Alu. foil

SITC of Acoustic lining of ducting as per specification with 10mm thick open cell nitride rubber foam of 140 to 180 kg/cum density, thermal conductivity 0.050w/mk and class 1 rating (Inside surface for the ducts shall be covered with adhesive recommended by manufacturer)

Supply, Fabrication, Installation and Testing of the Insulated Flexible Ducting, complete with connecting rings, duct supports. The flexible duct shall be made of triple lamination of aluminium foil, polyester and Metalized Polyester film permanently bonded to a coated spring steel wire helix. The exterior shall be wrapped with 25mm thick 24 kg / m3 fiberglass insulation. The outer insulation jacket / vapor barrier shall be made of fiberglass reinforced Metalized Polyester film laminate etc. as per standards and specification

300mm dia

250 mm dia

Supply, Fabrication, installation and testing of the flexible ducting without insulation, complete with connecting rings, duct supports, inner core should be made of triple lamination of Aluminum Foil, Polyester & Metalized polyester film permanently bonded to a coated spring steel wire helix, etc as per standards and specification.

200mm dia

150mm dia

100mm dia

SITC of 2000 CFM with 25 mm Static circular/cabinet inline fan complete with motor, cabling between starter and fan etc. complete as required.

L T PANELS Supplying, installation, testing and commissioning of cubical MV out door type electrical LT panel with IP 54 protection, suitable for 415 V, 3 phase, 50 Hz AC supply system fabricated in compartmentalized design from CRCA sheet steel of 2 mm thick for frame work and covers, 3mm thick for gland plates i/c cleaning & finishing complete with 7 tank process for powder coating in approved shade, DMC/ SMC bus bar supports, bottom base channel of MS section not less than 100 mm x 50 mm x 5mm thick, fabrication shall be done in transportable sections, entire panel shall have a common aluminium earth bar of size 50 mm x 5mm at the rear with 2 Nos. earth stud, solid connections from main bus bar to switch gears with required size of Al. bus bars and control wiring with 2.5 sq.mm. PVC insulated copper conductor S/C cable, cable alleys, cable gland plates. (as per specification & drawing), i/c providing following switchgears:-

INCOMING :-

160A, 25KA, FP MCCB (ICU=ICS) with Micro processor based release- 1 No. including Protection from Single phase preventer, Phase reversal, Overvoltage & undervoltage.

Suitable Digital Voltmeter & Ammeter,- 1 set

C.T's 160/5Amp , CL 1.0 - 01 set

R,Y,B indicating LED- 01 set

Control MCB-5A- 01 set

Bus Bar:-

200 Amps Aluminium TPN busbar - 1 Set

OUTGOINGS :-

63 Amp, 25 KA, FP MCCB - 06 Nos.

Supply, Installation, Testing and Commissioning of cubical type indoor LT panel with IP42 Protection, suitable for 415 V, 3 phase, 50 Hz AC supply system fabricated in compartmentalized design from CRCA sheet steel of 2.0 mm thick for frame work and covers with LED indicator, etc. complete as required. (as per specification & drawing). The following switch gears and accessories to be provided. MCCB shall be thermal magnetic release having overload, short circuit adjustable settings & Ics = Icu.

Incomer: 63 Amp, 25 KA, FP MCCB (ICU=ICS) -01 No. (Tripping arrangement from the fire module should be made, as per requirement of site)

Suitable Digital Voltmeter & Ammeter - 01 Set

C.T's 60/5Amp , CL 1.0

R,Y,B indicating LED - 01 set

Control MCB-5A - 01 Set

Busbar: 100 Amp Aluminium TPN busbar.

Outgoing: 32 Amp, 10KA, TPN MCB with DOL starter rated for 3HP motor with On /Off push buttons & LED Indicators - 7 sets

Cable - Supply and laying Supply and laying, of 2C x 1.5 Sq. mm Copper conductor sheathed power control cum transmission cables with PVC conduit including fixing with clamps & proper connections to equipment etc. complete as required.

Supply of 4C X 2.5 sq. mm Power cable copper conductor, XLPE insulated, PVC sheathed, Armoured, 1100V grade as per IS 7098 (Part1) 1988 with upto date amendment etc., complete as required.

Supply of 4C X 10 sq. mm. Power cable copper conductor, XLPE insulated, PVC sheathed, Armoured, 1100V grade as per IS 7098 (Part1) 1988 with upto date amendment etc., complete as required.

Supply of 3.5X150 sqmm XLPE insulated & PVC sheathed, armoured aluminium conductor cable of 1.1KV grade as per latest IS code with up to date amendments etc. complete as required.

Laying of one number PVC insulated and PVC sheathed / XLPE power cable of 1.1 KV grade of size above 95 sq. mm and upto 185 sq. mm direct in ground including excavation, sand cushioning, protective covering and refilling the trench etc as required.

Laying of one number PVC insulated and PVC sheathed / XLPE power cable of 1.1 KV grade of size above 95 sq. mm and upto 185 sq. mm in the existing masonry open duct as required.

Laying of one number PVC insulated and PVC sheathed / XLPE power cable of 1.1 KV grade of size above 95 sq. mm and upto 185 sq. mm on surface/cable tray as required.

Laying and fixing of one number PVC insulated and PVC sheathed / XLPE power cable of 1.1 KV grade of size upto 35 sqmm on wall surface as required (clamped with 1mm thick saddle).

Laying and fixing of one number PVC insulated and PVC sheathed / XLPE power cable of 1.1 KV grade of size upto 35 sqmm on cable tray as required (clamped with 1mm thick saddle).

Supplying and making end termination with brass compression gland and copper lugs for 4C X 10 sqmm of PVC insulated and PVC sheathed / XLPE copper conductor cable of 1.1 KV grade as required.

Supplying and making end termination with brass compression gland and aluminium lugs for 3.5C X 150 sqmm of XLPE insulated and PVC sheathed Al conductor cable of 1.1 KV grade as required.

Supplying and making end termination with PG gland and copper lugs for following PVC insulated and PVC sheathed / XLPE copper conductor cable of 1.1 KV grade as required:-

4 Core X 2.5 Sqmm Termination with PG Gland

2 Core X 1.5 Sqmm Termination with PG Gland

Supply and fixing 8 SWG dia G.I. wire on surface or in recess for loop earthing as required.

Part-B Annual Comprehensive Maintenance (Rates are prefixed) Annual Comprehensive Maintenance contract of all VRV/VRF system including all IDU & ODU of all capacity, including Refrigerant as per site requirement & all copper pipes, drain pipe, axial fan, duct/PVC pipe with LT panel for ODU & IDU, split AC, including all installation of PART-A at Agra Airport i/c carrying out monthly visit for servicing and maintenance of all components as per OEM standards by providing trained service engineer with all tools and plant and spares i/c attending all breakdown repairs, as & when required etc. complete as per specification & instructions of Engineer-in-Charge as required.

For 1st Year after DLP (3% of total of Part-A)

For 2nd Year after DLP (considering annual escalation @5%)

For 3rd Year after DLP (considering annual escalation @5%)

Utility Services

KRISHNA REFRIGERATION