SUPPLY, INSTALLATION, TESTING AND COMMISSIONING OF VARIABLE REFRIGERANT VOLUME (VRV) AIR CONDITIONING ALONG WITH ASSOCIATED ACCESSORIES AT HQ DGBR COMPLEX (SEEMA SADAK BHAWAN), RING ROAD, DELHI CANTT, NEW DELHI 110 010

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. VRV/VRF system shall be suitable for working on 50°C ambient temperature. 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. 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-wayflowVRV/VRF Cassette Type Indoor ceiling mounted unit equipped with synthetic washable media pre-filter complying ISHRAE/ASHRAE Guideline for COVID and PM2.5 filtration level minimum, 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:

Supply, Installation, Testing and commissioning including vaccuminzation 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) 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.

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

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

Making core cuts in brick wall of following sizes complete with sealing (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 150 mm (width) X 50 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

The plant supports shall consist of a galvanised steel frame supported by adjustable leg and feet assemblies. The frame dimensions should be designed to take the weight with minimal deflection, and should be manufactured from hot dip galvanized carbon steel: BS EN 10219-1 to a welding standard: BS EN ISO 15614. The galvanizing standard to be BS EN ISO 1461 with salt mist testing to BS EN 60068-2-52. The feet shall be 150mm square made from Nylon 6 B601L 30% glass fibre filled. Bound using a ratio of high-quality moisture curing polyurethane pre-polymer to BS 7188 and BS 5696-3.The leg assembly is fixed at minimum 300.mm. Load bearing strength should be not less than 500/600 kg/stand. Third party certification should be provided for Load bearing strength.

Minimum Dimension (930 mm x 765 mm x 250 mm) (L x W x H)

Minimum Dimension (1240 mm x 765 mm x 250 mm) (L x W)

Electrical distribution Panel

Supplying, installation, testing & commissioning of cubical type wall / floor mounted Distribution Panel suitable for Outdoor application for 415V, 3 Phase, 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, SMC bus bar supports, 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 following switch gears:- Note :- Each MCCB shall be with the following. (a) Extended Rotary Operating Handle, Phase Spreader links and Phase barriers. (b) 1 Set - Digital Ammeter within built ASS, metering C.T.s "CAST RESIN" type, 15VA, and accuracy class-1of 800/5A for measuring current in each phase. (c) 1 Set - Digital Voltmeter within built VSS, with 2Amp. Back up MCB. (d) 1 Set - 3 Nos. Phase indication LED lamps with 2Amp back up MCB, Breaker 'ON/OFF' indicating light with 2A MCB, test terminal block set, circuits as per standard practice, auxiliary contacts for positive interlocking of the breakers as required. - 2 Set. (e) 1 No. Suitable energy meter. (f) Each Panel will have Junction box with holes punched for connecting it to existing panel through Cable.

Panel - Main (Location : Substation) Incomer - Cables from existing panels connected to bus bar. Bus Bar:- TPN Copper extensible type main bus bars of minimum of 400 A capacity (As per capacity of corresponding incoming / Bus couplers) , and auxiliary bus bars of suitable capacity with heat shrunk coloured sleeves and i/c SMC bus bars supports at required intervals complete for cross section, size supports & their spacing etc. for withstanding fault level of 50kA . Outgoings Supplying and fixing following outgoing complete connection, inter-connection etc. as required. 1 No. - 400 Amps Four Pole, 50 KA, MCCB with Thermal Magnetic release with O/C, S/C & E/F protection release.

Panel 1 Incomer 1 No. - 350 Amps Four Pole, 36 KA (ICU=ICS) for 1 sec, MCCB with Thermal Magnetic release with O/C, S/C & E/F protection release, Bus Bar:- TPN Copper extensible type main bus bars of minimum of 400 A capacity (As per capacity of corresponding incoming / Bus couplers), and auxiliary bus bars of suitable capacity with heat shrunk coloured sleeves and i/c SMC bus bars supports at required intervals complete for cross section, size supports & their spacing etc. for withstanding fault level of 35kA for 1 Sec. Outgoings Supplying and fixing following outgoing complete connection, inter-connection etc. as required 2 Nos. - 100Amp, 10KA, TPN EL+ MCB for ODU 2 Nos. - 80Amp, 10KA, TPN EL+ MCB for ODU 4 Nos. - 63 Amp, 10KA, TPN EL+MCB for ODUs 4 Nos. - 50 Amp, 10KA, TPN EL+MCB for ODUs 4 Nos. - 40 Amp, 10KA, TPN EL+MCB for ODUs 4 Nos. - 20 Amp, 10KA, SPN EL+MCB for IDU 's 4 Nos. - 30 Amp, 10KA, SPN EL+MCB for IDU 's

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

The plant supports shall consist of a galvanised steel frame supported by adjustable leg and feet assemblies. The frame dimensions should be designed to take the weight with minimal deflection, and should be manufactured from hot dip galvanized carbon steel: BS EN 10219-1 to a welding standard: BS EN ISO 15614. The galvanizing standard to be BS EN ISO 1461 with salt mist testing to BS EN 60068-2-52. The feet shall be 150mm square made from Nylon 6 B601L 30% glass fibre filled. Bound using a ratio of high-quality moisture curing polyurethane pre-polymer to BS 7188 and BS 5696-3.The leg assembly is fixed at minimum 300.mm. Load bearing strength should be not less than 500/600 kg/stand. Third party certification should be provided for Load bearing strength.

3C X 4 sq.mm (Black, Green & Any Phase Color)

3C X 1.5 sq.mm (Black, Green & Any Phase Color)

Supply of following XLPE PVC 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

4C x 150 Sq-mm

Supply, Installation, Testing and commissioning of Centrally Controller with 10.4 Inch Touch Screen and wiring as per site requirement and as per specification required

Earthing & Miscellaneous Item

Earthing complete with galvanised steel earth plate electrode 60 × 60 cm × 6 mm thick, buried directly in ground (earth pit not less than 2.25 metres deep below ground level) with top edge of the plate not less than 1.5 metres below normal ground level, connected to galvanised earth lead wire but using galvanised iron strip 32 × 6 mm as earthing lead

Supply and fixing rubber matting conforming to IS-15652-2006 complete as required of Size 2 m x 1 m x 25 mm

Excavation in trenches in any type of soil not exceeding 1.5 Mtr depth and not exceeding 1.5 Mtr in width for laying of under ground cable and erection of poles and getting out complete as specified

Return filling in and including spreading, levelling, water and well ramming in layers not exceeding 25 cm in soft and loose soil complete all as specified.

Removing excavated material to a distance not exceeding 50 Mtr and deposited where directed at a level not exceeding 1.5 Mtr above the starting point complete all as specified

M & L for sand cushioning for underground cable 8 cm before laying cable and 15 cm after laying stretching of cable complete all as specified.

Supply and laying of reinforced precast concrete cable cover class LV Type 1 Flat size 250 mm x 150 x 40 mm

Dismantling and Reassembling Existing False ceiling and Lights Mounted on False Ceiling/ Lights and Fan Mounted on ceiling and Re -Assembling False Ceiling with Lights and Lights on ceiling with all proper connections after the cuts outs for the CST Indoor Units as and where required are made as per dimension as required and as per the drawing and as per direction of Engineer–in Charge.

B. Part-II (AMC) Annual Comprehensive routine operation (including 3 operator per Shift & 2 shifts per day) and preventive maintenance comprising of VRF unit I/C all accessories, consumable like oil, gas, PCB's & other item to keep the system in perfect running condition as required for the following periods after defect liability period of 1 year after successfully commissioning and handing over . Note: The cost of min 3 operator per Shift & for 2 shifts per day for defect liability period shall be part of equipment.

1st Year after expiry of 1 year warranty period

2nd Year after expiry of 1 year warranty period

3rd Year after expiry of 1 year warranty period

4th Year after expiry of 1 year warranty period

5th Year after expiry of 1 year warranty period

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