SUPPLY INSTALLATION TESTING AND COMMISSIONING OF VARIABLE REFRIGERANT VOLUME VRV AIR CONDITIONING ALONG WITH ASSOCIATED ACCESSORIES IN G4 LGFS BUILDING AT HQ DGBR COMPLEX SEEMA SADAK BHAWAN RING ROAD DELHI CANTT NEW DELHI

Amount

A. Part-I (Main work) Supply, Installation, Testing and Commissioning of modular type outdoor units equipped with highly efficient scroll/rotary compressors all inverter compressor (s), special heat exchanger, anti-corrosion fin (factory coated), Y branch as required, outdoor unit support, auto check function for the connection error, auto addressing setting, and capacity as mentioned below. Outer casing of the Out-Door Unit should be factory coated with rust prevention coating. Outdoor unit (ODU) capacities (HP) as mentioned below shall deliver 100% capacity at 43- degree centigrade temperature and shall be suitable for working upto 50 degree centigrade ambient without tripping/failure. The ODU shall be complete with Micro- processor control panel, sub cooler, accumulator, isolating valves (service valves) and all the necessary accessories for proper functioning of the units.The outdoor unit to be provision with company make PVC made with rubber pad stand. ODU Capacities (HP) are as under :- Note :- (a) The scope/price will include lubricating oil & Refrigerant R-410 A. including top up if required. (b) The prices should include lifting, shifting and positioning of units at Site. (c) The scope shall include electrical isolators suitable for outdoor application on suitable stand next to each outdoor unit. (d) The COP of system should be more than 3.1 at 100% Load & IEER not less than 6.5. (100% combination ration) at 35°C DBT ambient temperature & at 27°C DBT/19°C WBT inside temperature (AHRI testing Condition should be followed for 100% Load COP test result). Units should be Heat pump model. (e) ODU installation to done as per Manufacturer recommendation with all installation requirements i.e. Foundation, Vibration Isolator etc as recommended by Manufacturer. ODU installation is included in ODU price. (f) The Contractor/OEM will arrange the inspection and COP testing of units at NABL certified Laboratory without any extra cost to the department

Supply, installation, testing and commissioning of following minimum capacity 4-way flow VRV/VRF 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., suitable for operation on single phase 230V±10%, 50 Hz AC supply, complete, as required. The unit shall have automatic force shutdown provision in case of fire on receiving signal from BMS System. The cooling capacity of indoor unit will be at air inlet conditions of 27 Degree C DB and19 Degree C WB temperature. The IDU unit should be with wireless remote, unit should have occupancy sensor and specifications as required. IDU Capacities in TR are as under:

1.6 TR Cassette

2 TR Cassette

Supply, Installation, Testing and commissioning of refrigerant piping Y joints set as required to connect the indoor units complete.

Supply, Installation, Testing and commissioning including vacuumization and Nitrogen testing of the following nominal sizes soft/hard drawn copper refrigerant piping for VRV/VRF system for Refrigerant R 410 ,complete with fittings with suitable adjustable ring type hanger supports, joining/brazing includes accessories, insulated with XPLE Class- O tubular insulation/ with Class O closed cell elastomeric nitrile rubber tubular sleeves of specified thickness as given below for Suction and Liquid lines, all accessories as per specification etc as required/approved by consultant. The cost should also include the core's to be made for piping and sealing the core cuts to airtight joints.

6.4 mm (OD)(Soft Drawn) with tube thickness 1.2 mm with 19 mm thick insulation.

9.5 mm (OD)(Soft Drawn) with tube thickness 1.2 mm with 19 mm thick insulation

12.7 mm (OD)(Soft Drawn) with tube thickness 1.2 mm with 19 mm thick insulation.

15.86 mm (OD)(Hard Drawn) with tube thickness 1.2 mm with 19 mm thick insulation.

19 mm (OD)(Hard Drawn) with tube thickness 1.2 mm with 19 mm thick insulation.

22.2 mm (OD)(Hard Drawn) with tube thickness 1.2 mm with 19 mm thick insulation.

28.58 mm (OD)(Hard Drawn) with tube thickness 1.2 mm with 19 mm thick insulation.

34.9 mm (OD)(Hard Drawn) with tube thickness 1.2 mm with 19 mm thick insulation

Making core cuts in brick wall of following sizes complete with sealing, Putty & painting work (water tight joints)

Supply, Installation, Testing and commissioning of PVC (minimum 15kg/sq cm pressure rated) drain water piping complete with fittings (elbows, tees, reducers, sockets, u-trap etc.) supports, jointing duct insulated with XLPE class O tubular insulation and any other item required to make the system complete. Nominal diameters of pipe in mm as indicated below :-

25 mm dia pipe, Insulation thickness -9 mm

32 mm dia pipe, Insulation thickness -9 mm

40 mm dia pipe, Insulation thickness -9 mm

Supplying and installing of 300 mm (width) X 75 mm (depth) X 1.6 mm (thickness) perforated painted with powder coating M.S. cable trays with perforation not more than 17.5%, in convenient sections, joined with connectors, suspended from the ceiling/Ground/wall with M.S. suspenders including bolts & nuts, painting suspenders etc. as required hot dip with cover only for outside area including scaffolding upto 12 mtr.

Supplying and installing of 200 mm (width) X 62.5 mm (depth) X 1.6 mm (thickness) perforated M.S. cable trays painted with powder coating with perforation not more than 17.5%, in convenient sections, joined with connectors, suspended from the ceiling/Ground/wall with M.S. suspenders including bolts & nuts, painting suspenders etc. as required.

Electrical distribution panel For IDU : Supplying, installation, testing & commissioning of cubical type wall / floor mounted Distribution Panel suitable for Outdoor application for 415V, 3 Phase, 63A, 4Wire 50 Hz AC supply system fabricated in compartmentalized design from CRCA steel sheet 2mm thick for frame work and covers, 3 mm thick for gland plates i/c cleaning & finishing complete with 7 tank process for powder coating in approved shade, having Suitable Amp capacity extensible type Copper bus bars of high conductivity, with short circuit withstand capacity of 50kA with entire panel shall have a common earth bus of suitable size at the rear with 2 Nos earth stud, PVC insulated FRLS copper conductor Single Core cable, cable alleys, cable gland plates. providing & fixing of necessary MCBBs,6A & 10A MCCB Single Pole required.

Main Electrical distribution panel For ODU : Supplying, installation, testing & commissioning of cubical type wall / floor mounted Distribution Panel suitable for Outdoor application for 415V, 3 Phase, 40A, 4Wire 50 Hz AC supply system fabricated in compartmentalized design from CRCA sheet steel of 2mm thick for frame work and covers, 3 mm thick for gland plates i/c cleaning & finishing complete with 7 tank process for powder coating in approved shade, having Suitable Amp capacity extensible type Copper bus bars of high conductivity, with short circuit withstand capacity of 50kA with entire panel shall have a common earth bus of suitable size at the rear with 2 Nos earth stud, solid connections from main bus bar to switch gears with required size of Copper bus bars and control wiring with 1.5 sq.mm. PVC insulated FRLS copper conductor Single Core cable, cable alleys, cable gland plates providing & fixing of necessary MCBBs.

Outgoings: Supplying and fixing following outgoing complete connection, inter-connection etc. as required

2 Nos 250Amp,Four Pole 50KA, MCCB with Thermal Magnetic release with O/C,S/C & E/F protection release

Supply & Installation of interconnecting control & transmission Copper wiring 2C x 1.5 Sqmm as communication cable required in PVC conduit.

Supply & Laying fixing of following size XLPE insulated and PVC sheathed Copper conductor armoured cable as required of 1.1 KV grade complete as required. (ISI Marked) (In ground/in pipe/in duct/on surface/ on cable tray) with all complete with cable tray clamps, saddles, thimble cable gland etc including effective proper connection to the equipment as required.

4C X 6 Sq.mm

4C X 10 sq.mm (Black, Green & Any Phase Color)

Supply of following XLPE insulated Aluminium conductor armoured cable 650/1100 volts complete with cable tray clamps, saddles, thimble, cable gland, etc including effective proper connection including all necessary termination and clamping etc to the equipment as required

4C x 120 Sq-mm

Supply & Laying/fixing of following size XLPE insulated and PVC sheathed Copper conductor flexible cable as required of 1.1 KV grade complete as required. (ISI Marked) (In ground/in pipe/in duct/on surface/ on cable tray) with all complete with cable tray clamps, saddles, thimble cable gland etc

3C x 1.5 Sq-mm

Earthing complete with galvanized steel earth plate electrode 60 cm× 60 cm × 6 mm thick, buried directly in ground (earth pit not less than 2.25 meters deep below ground level) with top edge of the plate not less than 1.5 meters below normal ground level, connected to galvanized earth lead wire but using galvanized iron strip 32mm × 6 mm as earthling lead with GI wire and (3 X 25mm) strip earthling.

Taking down carefully copper/aluminium point wiring (light, fan, socket or power) complete, (fittings such switches, ceiling roses, pendants, regulators sockets etc. to be measured separately), removing materials to store for keeping in safe custody for reuse at site and making good disturbed surfaces of walls, floors, etc.

Point wiring with copper conductor cables FRLS

One light point or one fan point controled by one swith with cables 1.5 sq mm size

One light point or one fan point controled by one swith with cables 2.5 sq mm size

Dismantling and Reassembling Existing False ceiling with False Lights

Dismantling and Reassembling Existing False ceiling, Lights and fans Mounted on False Ceiling and Assembling False Ceiling Lights and fans with all proper connections after the cuts outs for the CST Indoor Units are made as per dimension as required as per the drawing.

M&L for Taking down and refixing in the same opening of chowkhats or frame (without taking off shutters from frame) not exceeding 1.5 Sqm (Note:- Existing window/Partition walls made out of UPVC or Aluminium partition whatever at site)

B. Part-II (AMC) Annual Comprehensive routine operation (including 3 operator per Shift & 2 Shifts per day) and preventive maintenance Comprising of VRF/VRV unit i/c all accessories, consumable like oil, gas, PCBs & other items to keep the system in perfect running condition as required for the following periods after Guarantee Period subsequent to successful commissioning and handing over.

1st Year after expiry of 1 year Guarantee period

2nd Year after expiry of 1 year Guarantee period

3rd Year after expiry of 1 year Guarantee period

4th Year after expiry of 1 year Guarantee period

5th Year after expiry of 1 year Guarantee period

M/s Krishna Refrigeration (BID ID -3097889)