Indian Institute Of Technology-IITB has published Supply Installation Testing Commissioning Of Different Capacity Vrf/Vrv System In Nrf And Chemical Engg . Labs At Iit Delhi. Submission Date for this Tender is 19-01-2021. HVAC Tenders in Indian Institute of Technology Delhi Delhi. Bidders can get complete Tender details and download the document.
| Sr No | CorrigendumDate | Corrignedum | CorrigendumType | NewSubmissionDate |
| 1 | 12-Jan-2021 | Bid Auto Extn Corrigendum | Bid Auto Extn Corrigendum | 19-01-2021 |
| Name of Work:SITC of different capacity VRF / VRV System in NRF & Chemical Engg. Lbas, at IIT Delhi | |||||
|---|---|---|---|---|---|
| Sl. No. | Item Description | Item Code / Make | Quantity | Units | |
| 1 | 1 | SUB HEAD 1 (SITC)\nSupply 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 (35 deg C) at 50% load shall not be less than 7 and IEER not less than 6.5 | item1 | ||
| 2 | 1.01 | For Room No. B-2/378 A | item2 | 8 | HP |
| 3 | 1.02 | For Room No. B-5/419 | item3 | 8 | HP |
| 4 | 1.03 | For Room No. B-5/422 | item4 | 8 | HP |
| 5 | 1.04 | For Rooms B-6/427-431(at least two compressors if the unit is single module) | item5 | 22 | HP |
| 6 | 2 | 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. | item6 | ||
| 7 | 2.01 | 0.8 TR | item7 | 8 | Each |
| 8 | 2.02 | 1.0 TR | item8 | 4 | Each |
| 9 | 2.03 | 1.2 TR | item9 | 8 | Each |
| 10 | 2.04 | 1.6 TR | item10 | 2 | Each |
| 11 | 2.05 | 2.0 TR | item11 | 8 | Each |
| 12 | 2.06 | 4.0 TR | item12 | 2 | Each |
| 13 | 3 | 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: | item13 | ||
| 14 | 3.01 | 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 | item14 | ||
| 15 | 3.02 | 6.4 mm dia (OD) (Softdrawn) with tube thickness 1.2 mm with 19 mmthick insulation | item15 | 85 | Metre |
| 16 | 3.03 | 9.5 mm dia (OD) (soft drawn) with tube thickness 1.2 mm with 19 mm thick insulation | item16 | 100 | Metre |
| 17 | 3.04 | 12.7 mm dia (OD) (soft drawn) with tube thickness 1.2 mm with 19 mm thick insulation | item17 | 125 | Metre |
| 18 | 3.05 | 15.86 mm dia (OD) (soft drawn) with tube thickness 1.2 mm with 19 mm thick insulation | item18 | 80 | Metre |
| 19 | 3.06 | 19 mm dia (OD) (hard drawn) with tube thickness 1.2 mm with 19 mm thick insulation | item19 | 60 | Metre |
| 20 | 3.07 | 22.2 mm dia (OD) (hard drawn) with tube thickness 1.2 mm with 19 mm thick insulation | item20 | 35 | Metre |
| 21 | 3.08 | 25.4 mm dia (OD) (hard drawn) with tube thickness 1.2 mm with 19 mm thick insulation | item21 | 40 | Metre |
| 22 | 3.09 | 28.58 mm dia (OD) (hard drawn) with tube thickness 1.2 mm with 19 mm thick insulation | item22 | 35 | Metre |
| 23 | 4 | 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. | item23 | ||
| 24 | 4.01 | 225 mm width x 50 mm depth x 1.6 mm thickness | item24 | 300 | Metre |
| 25 | 5 | Supplying and laying of ISI marked CPVC pipe of 32 mm dia for draining of sweated water from AC evaporator unit including providing tee, joints, elbows, supports, etc. wherever necessary etc. complete as required. | item25 | 250 | Metre |
| 26 | 6 | Fabricating, Providing and fixing M.S. iron frame fabricated with M.S. C-channel of size 100 mm x 50 mm x 6 mm (thick) for resting the condenser unit on the roof / floor of the building duly supported from the bottom as required including painting the framework etc. complete as required. | item26 | 60 | Metre |
| 27 | 7 | 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. | item27 | 300 | Metre |
| 28 | 8 | Supplying and laying of following size pvc insulated pvc sheathed XLPE armoured copper conductor cable of 1.1 kV grade including making connections etc. as required. | item28 | ||
| 29 | 8.01 | 3 core x 2.5 sqmm | item29 | 330 | Metre |
| 30 | 8.02 | 4 core x 16 sqmm | item30 | 250 | Metre |
| 31 | 9 | 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. | item31 | ||
| 32 | 9.01 | 3 core x 2.5 sqmm | item32 | 70 | Each |
| 33 | 9.02 | 4 core x 16 sqmm | item33 | 16 | Each |
| 34 | 10 | Providing and fixing 8 SWG dia GI wire on surface or in recess for loop earthing along with existing surface / recessed conduit / submain wiring / cable as required. | item34 | 250 | Metre |
| 35 | 11 | Supplying and fixing of 4 way rectangular sheet steel MCB DB duly phosphatised, powder painted complete with bus bar, neutral link, earth bar, Din bar, single door with acrylic window in accordance with IS 13032, IS 8623, IEC/BS EN 60439-3 including FP MCB within the range of 6 to 32 amps etc. complete as required. (Reference similar product: Havells Cat No. DHDMSHOSRA04) | item35 | 5 | Each |
| 36 | 12 | Supplying and fixing of 2 way rectangular sheet steel MCB enclosure duly phosphatised, powder painted complete with Din rail, in accordance with IS 13032, IS 8623, IEC/BS EN 60439-3 including DP MCB of 5/10 amps etc. complete as required. (Reference similar product: Havells Cat No. DHDESDP) | item36 | 36 | Each |
| 37 | 13 | 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) | item37 | 5 | Each |
| 38 | 14 | Providing and making temporary scaffolding arrangement outside the building with steel pipes or by any other means with safety arrangement upto a height of 20 metre for laying of copper pipes in a proper manner and dismantling and removing the scaffolding after completion of work etc. complete as required. (proper safety precaution is the responsibility of the contractor) | item38 | 4 | Job |
| 39 | 15 | SUB HEAD - 2 (AMC) (Supplementary agreement shall be formed) under ARMO Fund | item39 | ||
| 40 | 15.01 | Routine, Preventive and Breakdown maintenance of 22 HP & 3 x 8.0 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 | item40 | ||
| 41 | 16 | Routine, Preventive and Breakdown maintenance of 22 HP & 3 x 8.0 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) | item41 | ||
| 42 | 16.01 | 2nd year | item42 | 1 | Job |
| 43 | 16.02 | 3rd year | item43 | 1 | Job |
| 44 | 16.03 | 4th year | item44 | 1 | Job |
| 45 | 16.04 | 5th year | item45 | 1 | Job |
| 46 | 16.05 | 6th year | item46 | 1 | Job |
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