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| 1 | Providing of design, drawing and heat load calculation etc. in two sets for Specialized E&M Work of SITC of HVAC System (VRV-VRF based Air-Conditioners) under this contract in 02 nos. Seminar Halls of 4A2 Academic Building, CURaj, complete in all respects, as per standard practice and directions of Engineer-in-Charge.Approximate dimension of each seminar hall (L*W*H): 51*46*12 cb.ft. |
| 2 | OUTDOOR UNIT |
| 3 | Supplying, Installation, Testing & Commissioning of Modular type Variable Refrigerant Flow/Variable Refrigerant Volume air cooled Outdoor units suitable for cooling/heating having 100% hermetically sealed inverter type twin Rotary/Scroll Compressor(s), minimum two compressors (with individual separate PCB) for above 14HP 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 confirmation 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 °C. 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 (ISEER) of the unit shall be as per Energy Conservation and Sustainable Building Code (ECSBC) 2024 as below and complete as per CPWD specification, connections, inter connections etc. as required. (For capacity <40 kWr ISEER 5.4, Capacity > 40 and <70 ISEER 5.5, Capacity > 70 ISEER 5.6 for ECSBC Building)Note: This work also includes charging of additional refrigerant required on site in accordance with the extra inter-connectiong copper pipeline as per OEM Spefications. |
| 4 | For Cooling and Heating Both |
| 5 | 14 HP to 22 HP |
| 6 | INDOOR UNIT |
| 7 | Supplying, Installation, Testing and Commissioning of following minimum capacity 4 way 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, Corded remote control etc., suitable for operation on single phase 230 V ± 10%, 50Hz AC supply, complete, as required. The Indoor units must shut down upon receiving a singal from the BMS System/Fire Singnals. The system shall be capable to adjust air flow as per room requirement in auto mode. The cooling capacity of indoor unit will be at air inlet conditions of 27 0C DB and 19 0C WB temperature.(Make will be same as of Outdoor) |
| 8 | 2.0 TR |
| 9 | 4.0-4.1 TR |
| 10 | Supplying, Installation, Testing and Commissioning of Y/T/Multi Joints. Joints shall be of same Original Equipment Manufacturer (OEM) make as of ODUs and IDUs. |
| 11 | Indoor Units |
| 12 | Outdoor Multi Joint |
| 13 | COPPER REFRIGERANT PIPING |
| 14 | Supplying, 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 elastometric 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 : |
| 15 | 9.5 mm dia (OD) (Soft drawn) with tube thickness 1.2 mm |
| 16 | 12.7 mm dia (OD) (Soft drawn) with tube thickness 1.2 mm |
| 17 | 15.86 mm dia (OD) (Soft drawn) with tube thickness 1.2 mm |
| 18 | 19 mm dia (OD) (Hard drawn) with tube thickness 1.2 mm |
| 19 | 22.2 mm dia (OD) (Hard drawn) with tube thickness 1.2 mm |
| 20 | 28.58 mm dia (OD) (Hard drawn) with tube thickness 1.2 mm |
| 21 | 41.27 mm dia (OD) (Hard drawn) with tube thickness 1.62 mm |
| 22 | Providing & Fixing of IS : 4985 - 2000 Class -4 (10 Kgf / Sqcm) UPVC drain water piping with fittings (IS:7834 & 10Kgf/sqcm) like elbow, socket, Tee, solvent cement jointing, support with MS hanger on ceiling or recessed in wall with chasing & plastering with 6 mm thick closed cell elastomeric nitrile rubber insulation including leakage testing etc. as required of following Nominal sizes. All as per pre approved by Engineer in charge. For additional technical parameters of products/ work , refer Annexure \\"A\\" attached with this BSR . |
| 23 | 32 mm |
| 24 | Supplying and drawing of microprocessor based communication copper cable of suitable size & rating as per OEM Specifications of ODU/IDU to interconnect outdoor and indoor units as per standard practice and as per directions of EIC. |
| 25 | Profiding & fixing of MS Stand for 14 HP to 22 HP ODU of Air-Conditioner as required, as per standard practice and directions of EIC. |
| 26 | ELECTRICAL WORK |
| 27 | Providing & Laying P.V.C. / XLPE insulated & P.V.C. sheathed Armoured Copper cable confirming to IS:1554 P-I / IS :7098 P - I of 1.1 KV with electrolytic grade Copper made of copper rods confirming to IS 613-1964, of purity >99.7 %, round / flat strip armouring, Inner / outer sheath confirming to IS:5831 in existing RCC / Hume / Stoneware / PVC pipe/ open duct/cable trench / Cable tray(with cable tie) including testing etc. as required of following size. OEM must have it's own in house NABL accrediated Laboratory for testing procedure as per IS:10810 For additional technical parameters of product / work refer Annexure 'A' attached with this BSR |
| 28 | 4 X 16 sq. mm |
| 29 | 3 X 2.5 sq. mm |
| 30 | Providing & Laying P.V.C. / XLPE insulated & P.V.C. sheathed Arrmoured Aluminium cable confirming to IS:1554 P-I / IS :7098 P - I of 1.1 KV with H4- Grade electrolytic aluminium conductor confirming to IS 8130 of purity >99.6 %, round / flat strip armouring of cables, Inner / outer sheath confirming to IS:5831 in existing RCC / Hume / Stoneware / PVC pipe/ open duct/cable trench / Cable tray(with cable tie) including testing etc. as required of following size. OEM must have it's own in house NABL accrediated Laboratory for testing procedure as per IS:10810.For additional technical parameters of product / work refer Annexure 'A' attached with this BSR |
| 31 | 3½ X 95 sq. mm |
| 32 | Supplying and making end termination with brass compression gland and aluminium lugs for following size of PVC insulated and PVC sheathed / XLPE aluminium conductor cable of 1.1 KV grade as required. |
| 33 | 4 X 16 sq. mm (28mm) |
| 34 | 3½ X 95 sq. mm (45mm) |
| 35 | Supplying and fixing of following ways surface/ recess mounting, vertical type, 415 V, TPN MCB distribution board of sheet steel, dust protected, duly powder painted, inclusive of 200 A tinned copper bus bar, common neutral link, earth bar, din bar for mounting MCBs (but without MCBs and incomer ) as required .(Note : Vertical type MCB TPDB is normally used where 3 phase outlets are required.) |
| 36 | 8 way (4 + 24), Double door |
| 37 | Supplying and fixing 63 A rating, 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 etc. as required. |
| 38 | 63 A Triple pole and neutral |
| 39 | Providing and fixing following rating and breaking capacity and pole MCCB with thermomagnetic release and terminal spreaders in existing cubicle panel board including drilling holes in cubicle panel, making connections, Ics=100% Icu and Operational making connections, Ics=100% Icu and Operational Voltage 690V etc. as required. |
| 40 | 250 A,36KA,FPMCCB |
| 41 | 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 two numbers GI Suspenders i/c base of suitable size GI angle, GI bolts & nuts, fastner etc as required. |
| 42 | 150 mm width X 50 mm depth X 1.6 mm thickness |
| 43 | 300 mm width X 50 mm depth X 1.6 mm thickness |
| 44 | Providing & charging of additional R-410-A Refrigerant or equivalent for long copper refrigerant piping for VRV/VRF system as per ODU/IDU OEM Norms as reqd, as per standard practice and directions of EIC. |
| 45 | CIVIL WORK |
| 46 | Civil alteration work of existing false ceiling as required on site during fixing of indoor cassate type units and laying of refrigerant & drain piping; alongwith finishing & making the false ceiling as earlier etc. complete, as per standard practice and directions of EIC. Please Enable Macros to View BoQ information |
