SITC of VRF / VRV type AC in Different Locations (May-Jul 2025) in IIT Delhi

Amount

Supply, Installation, Testing & Commissioning of Modular type Variable Refrigerant Flow (VRF)/Variable Refrigerant Volume (VRV) air cooled Outdoor (Condenser) units suitable for cooling having 100% hermetically sealed inverter type twin Rotary/Scroll Compressor(s), minimum two compressors (with individual separate PCB) for above 14 HP modules, 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. To have better efficiency condenser fan shall be capable to operate at different speed with respect to load. The unit shall deliver the rated capacity and in conformation as per IS 18728:2024 and CPWD Specifications and work even at 50°C ambient temperature without tripping. The system shall be able to deliver 100% of the rated capacity upto 39 Degree Celsius. The unit shall be suitable to work on 400V +/- 10%, 3 Phase, 50Hz ac power supply and BMS compatible. The unit shall be filled with first charge of the refrigerant and ready for use as required. The condenser should be coated with a hydrophilic film to prevent water accumulation on the surface of the heat exchanger, enhance water dispersion, and reduce the risk of degradation, thereby improving overall performance and durability. The Indian Seasonal Energy Efficiency Ratio of the unit shall be as per following and complete as per CPWD specification, connections, interconnections etc. as required.

For Block-1/303, Value of ISEER shal not be less than 5.4

For Block-2/339D, Value of ISEER shal not be less than 5.4

For Block-3/369, Value of ISEER shal not be less than 5.4

For CRF Synthesis Lab, Block-5, Value of ISEER shall not be less than 5.6

Supply, Installation, Testing and Commissioning of following minimum capacity High wall type Indoor unit equipped with and comfort washable synthetic 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, cord less remote control with batteries as required, drain pan, necessary accessories etc., suitable for operation on 230 V ± 10%, 50 Hz, single phase ac supply, complete as required. The Indoor units must shut down upon receiving a signal from the BMS System/Fire Signals. The system shall be capable to adjust air flow as per room requirement automatically. The cooling capacity of indoor unit will be at air inlet conditions of 27 Degree C DB and 19 Degree C WB temperature. (Make will be same as of Outdoor)

Supply, Installation, Testing and Commissioning of Y/T/Multi Joints. Joints shall be of same Original Equipment Manufacturer (OEM) make as of ODUs and IDUs.

Indoor Units

Outdoor Multi Joint

Supply, Installation, testing and commissioning including vaccumiazation and Nitrogen testing of following nominal sizes of soft/hard drawn copper refrigerant piping for VRV/VRF system, complete with fittings, with suitable adjustable ring type hanger supports, jointing/brazing including accessories, insulated with XPLE Class-O tubular insulation/with Class-O closed cell elastomeric nitrile rubber tubular sleeves sections of 19 mm thick insulation as given below for Suction and Liquid lines, all accessories as per specifications etc. as required. Laying of pipes shall be on surface above false ceiling or outside wall. Necessary supports shall be provided wherever needed.

6.4 mm dia (OD) (Soft drawn) with tube thickness 1.2 mm

9.5 mm dia (OD) (Soft drawn) with tube thickness 1.2 mm

12.7 mm dia (OD) (Soft drawn) with tube thickness 1.2 mm

15.86 mm dia (OD) (Soft drawn) with tube thickness 1.2 mm

19 mm dia (OD) (Hard drawn) with tube thickness 1.2 mm

22.2 mm dia (OD) (Hard drawn) with tube thickness 1.2 mm

25.4 mm dia (OD) (Hard drawn) with tube thickness 1.2 mm

28.58 mm dia (OD) (Hard drawn) with tube thickness 1.2 mm

34.9 mm dia (OD) (Hard Drawn) with tube thickness 1.2 mm

GI TRAY SUPPORT: Supplying and installing following size of perforated Hot Dipped Galvanised Iron Cable tray (galvanisation thickness not less than 50 microns) with perforation not more than 17.5% in convenient sections, joined with connectors, suspended / supported from the ceiling / wall with GI suspenders including GI bolts and nuts, GI C-Channels, etc. including bends, reducers, Tees, cross-members as required, GI protective sheet covering (for outdoor portion) outside the room etc. as required.

225 mm width x 50 mm depth x 1.6 mm thickness

DRAIN PIPE: Supplying and laying of ISI marked CPVC pipe of 32 mm dia for draining of sweated water from AC evaporator (indoor) unit including providing tee, joints, elbows, supports, etc. insulated with XLPE class - O tubular insulation / with Class-O closed cell elastomeric nitrile rubber tubular sleeves sections of 9 mm thick etc. complete as required. (Acceptable make: Supreme / Astral / Prince / Ashirwad / Prakash)

DRAIN PIPE: Supplying and laying of ISI marked flexible braided PVC pipe of 25 mm dia for draining of sweated water from AC evaporator (indoor) unit including providing tee, joints, elbows, supports, etc. wherever required etc. complete as required. (Acceptable make: Prakash / Prince / Supreme / Astral / Georg Fischer)

Supplying and fixing DP sheet steel enclosure on surface / recess alongwith 6 A, 240 V "C" curve DP MCB complete with connections, testing and commissioning etc. as required. (Acceptable make: Havells / Siemens / L&T / Legrand / ABB / Schneider / C&S / HPL / Hager)

Providing and laying in position cement concrete 1:3:6 (1 cement : 2 coarse sand : 6 graded stone aggregate 40 mm nominal size) in foundation of pump, DG set etc including form work etc as required.

Supplying and laying of ISI marked FRLS industrial multistranded copper cable of following size and type and of 1.1 kv grade conforming to IS694:2010 including making connection etc. for communication / indoor power supply between indoor and outdoor unit and other units, etc. as required. (Acceptable make: Havells / Universal / Gloster / Finolex / Polycab / RR Kabel / KEI / Rallison) [NB: Single stranded cable not to be used]

2 core x 1.5 sqmm (unarmoured) along with hard PVC conduit not less than 20 mm alongwith bends, tees, etc. of make astral / Supreme / Finolex / Prakash / Prince (Communication)

3 core x 1.5 sqmm (unarmoured) (Indoor power from DB)

4 core x 10 sqmm armoured (outdoor power)

4 core x 16 sqmm armoured (outdoor power)

Supplying and making end termination with brass compression gland and tinned copper lugs for following size of pvc insulated and pvc sheathed / XLPE copper conductor cable of 1.1 kV grade as required.

4 core x 16 sqmm (28 mm)

4 core x 10 sqmm (25 mm)

Supplying and fixing of following way, single pole and neutral, sheet steel, MCB distribution board, 240 V, on surface / recess, complete with tinned copper bus bar, neutral bus bar, earth bar, din bar, interconnections, powder painted including earthing etc as required. (but without MCB/RCCB/Isolator) (Acceptable make: Havells / Standard / HPL/ Legrand / L&T / Polycab / C&S / ABB / Siemens / Schneider)

12 Way, Double door

8 Way, Double door

Supplying and fixing 5 amps to 32 amps rating, 240/415 volts, "C" curve, miniature circuit breaker suitable for inductive load of following poles in the existing MCB DB complete with connections, testing and commissioning etc. as required. (Acceptable make: Havells / Standard / HPL/ Legrand / L&T / Polycab / C&S / ABB / Siemens / Schneider)

Single Pole

Double pole (as incomer to DB)

Supplying and fixing cable end box (loose wire box) suitable for 8 / 12 way double door SPN MCB DB on surface / recess complete with testing and commissioning etc. as required.

Providing and fixing 4 mm dia copper wire on surface or in recess for loop earthing along with existing surface / recessed conduit / submain wiring / power cable as required.

Providing and fixing following rating and breaking capacity 4 pole MCCB with thermomagnetic release as per following and terminal spreaders conforming to IS/IEC 60947-2 & IEC 60947-2 in sheet steel enclosure including drilling holes, duly factory painted as required, making connections, etc. as required. (Acceptable make: Havells / Standard / Legrand / HPL / L&T / Polycab / C&S / ABB / Siemens / Schneider) For main power connection. (Ref SS Enclosure type: L&T Cat No. CM90996OOOO, Size -1)

Thermal Release Range 25-32 A, 18 kA, FPMCCB

Thermal Release Range 50-63 A, 18 kA, FPMCCB

Supplying and fixing of weather proof non-metallic 4P enclosure on surface / recess with 16/25/32 amp, 415 V, "C" curve Four Pole MCB with IP-65 rating complete with connections, testing and commissioning as required. (Reference similar product: Legrand 4 Module Plexo Box for MCB, IP-65) - For outdoor units (Acceptable Make: ABB / Legrand / L&T / Havells / Anchor / Finolex) - For outdoor unit

Providing temporary arrangement for crane / chain pulley for lifting outdoor units of VRF from ground to the roof above 3rd / 4th floor (approx vertical height 15 - 20 metre) including all necessary protection arrangement, mending good the damages if any done to the building and scaffolding arrangement for laying of pipes outside the building upto rooftop with necessary protective arrangements in Academic Blocks, removing all scaffolding / other arrangement from site after completion etc. as required.

SUB HEAD - 2 (AMC) (Supplementary agreement shall be formed after DLP) under ARMO Fund Comprehensive (Routine, Preventive and Breakdown) maintenance of 26 HP, 3 x 10 HP VRF / VRV Type AC including its all accessories, condensers, evaporator units, time to time checking of refrigerant leakage, electrical circuits, etc. for smooth operation of the entire AC units during the defect liability period of 1 year after date of commissioning as per maintenance schedule. (No payment shall be made separately for this period): 1st Year - 1 Job free of cost

Comprehensive (Routine, Preventive and Breakdown) maintenance of 26 HP and 3 x 10 HP VRF / VRV Type AC system including its all accessories, condensers, evaporator units, time to time checking of refrigerant leakage, electrical circuits, etc. for smooth operation of the entire AC units after defect liability period of 1 year from the date of commissioning as per maintenance schedule. Any breakdown shall be attended within 4 hours of reporting. Spare parts required during breakdown maintenance shall be arranged and replaced by the Contractor. This is applicable for the whole system of AC units installed. (N.B.: 01 Job means during a period of one year)

2nd year (For 12 months)

3rd year (For 12 months)

4th year (For 12 months)

5th year (For 12 months)

6th year (For 12 months)

HONEY COLLECTION (BID ID -3258738)

K M H-VAC SYSTEM (BID ID -3258637)