SITC of VRF / VRV System in Proposed Dean Acad. Office in LHC, IIT Delhi

Amount

SUB HEAD 1 (SITC)

Supply Installation, Testing & Commissioning of modular type Variable Refrigerant Flow/Variable Refrigerant Volume air cooled Outdoor units suitable for cooling and heating, having all hermetically sealed inverter type Scroll Compressor(s), minimum two compressors for above 14 HP modules, microprocessor based controller, top discharge type condensing unit(s), with R 410 A Refrigerant, vibration isolators, with suitable foundation etc. complete as required. The unit shall deliver the rated capacity at AHRI Conditions and work even at 50 Degree C ambient temperature without tripping. The unit shall be suitable to work on 400V +/- 10%, 3 Phase, 50Hz AC power supply. The unit shall be filled with first charge of the refrigerant and ready for use as required. The COP at AHRI conditions shall not be less than 3.1 and IEER not less than 6.5

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, cord less remote control etc., suitable for operation on single phase 230 V +/- 10%, 50Hz AC supply, complete, as required. The unit shall have automatic force shut down provision in case fire on receiving signal from BMS System. The cooling capacity of indoor unit will be at air inlet conditions of 27 degree C DB and 19 Degree C WB temperature.

Supply, Installation, testing and commissioning including vaccumisation and nitrogen testing of following nominal sizes of soft / hard drawn copper refrigerant piping for VRV/VRF system, complete with fittings, Y-type joints wherever required, with adjustable with ring type hanger supports, jointing / brazing including accessories, insulated with XLPE class - O tubular insulation / woth Class-O closed cell elastomeric nitrile rubber tubular sleeves sections of specified thickness as given below for suction and liquid lines, all accessories as per specifications etc. as required:

NOTE: (1) The copper piping and piping circuit should be with minimum number of joints, which shall be attained by: (a) Using one end expanded tubes (b) bending the tubes instead of using elbow joints wherever 90 degree bending is required (2) Piping should be routed at site in such a manner, that brazed joints in the refrigeration piping are kept to a minimum (3) The makes of tube fittings shall be same as that of tubes (4) The thickness of fittings used shall be same as that of the pipe

a) 28.58 mm OD with tube thickness 1.2 mm with 19 mm thick insulation

b) 22.2 mm OD with tube thickness 1.2 mm with 19 mm thick insulation

c) 19.0 mm OD with tube thickness 1.2 mm with 19 mm thick insulation

d) 15.86 mm OD with tube thickness 1.2 mm with 19 mm thick insulation

e) 12.7 mm OD with tube thickness 1.2 mm with 19 mm thick insulation

f) 9.5 mm OD with tube thickness 1.2 mm with 19 mm thick insulation

g) 6.4 mm OD with tube thickness 1.2 mm with 19 mm thick insulation

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 from the ceiling with GI suspenders including GI bolts and nuts, etc. as required.

225 mm width x 50 mm depth x 1.6 mm thickness

Supplying and laying of ISI marked CPVC pipe of 1 inch dia for draining of sweated water from AC evaporator unit including providing tee, joints, elbows wherever necessary etc. complete as required.

Fabricating, Providing and fixing M.S. iron frame fabricated with M.S. angle of size 50mm x 50mm x 6mm for resting the condenser unit on the outside wall / roof of the building duly supported from the bottom with same angle iron and finally making good the damages including painting the framework etc. complete as required.

Supplying and laying of ISI marked FR pvc insulated flexible copper cable of size 2 core x 1.5 sqmm of 1.1 kv grade including making connection etc. for communication between indoor and outdoor unit and other units, etc. through conduit complete as required.

Supplying and laying of following size pvc insulated pvc sheathed armoured copper conductor cable including making connections etc. as required.

a) 3 core x 4 sqmm

b) 4 core x 16 sqmm

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.

a) 3 core x 4 sqmm

b) 4 core x 16 sqmm

Providing and fixing 4.00 mm dia copper wire on surface or in recess for loop earthing along with existing surface / recessed conduit / submain wiring / cable as required.

Supplying and fixing following way, surface / recess mounting, vertical type, 415 volts, TPN MCB distribution board of sheet steel, dust proected, duly powder painted, inclusive of 200 amps tinned copper busbar, common neutral link, earth bar, din bar, for mounting MCBs with provision of 100 amps TP 16 KA MCCB as incomer, interconnection between incomer MCCB and busbars (but without MCBs / MCCB) as required. a) 8 way TP

Providing and fixing following rating and breaking capacity and pole MCCB in existing cubicle panel board including drilling holes in cubicle panel, making connections, etc. as required. a) 100 amp, 16 KA TPMCCB

Supplying and fixing 5 A to 32 A rating 240/415 V, 10 kA, "C" curve, miniature circuit breaker suitable for inductive load of following poles in the existing MCB DB complete with connections, testing and commissioning as required. a) Single Pole

Supplying and fixing cable end box [loose wire box] suitabe for following triple poe and neutral, sheet steel, MCB distribution board, 415 volts, on surface/ recess, complete with testing and commissioning etc. as required.

For 4 way, Double door TPN MCBDB

SUB HEAD - 2 (AMC) (Supplementary agreement shall be formed) under ARMO Fund

Routine, Preventive and Breakdown maintenance of 20 HP VRF/VRV AC unit 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. (Completely free of cost): 1st Year

Routine, Preventive and Breakdown maintenance of 20 HP VRF / VRV AC unit 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 by the Institute. (N.B.: 01 Job means during a period of one year)

2nd year

3rd year

4th year

5th year

6th year

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