Creation of 02 No. Lecture Halls in the Stilt floor of College/ Lab Block at SKIMS MCH Bemina(Mechanical Component- SITC of VRV/VRF System)

Supply, Installation, Testing & Commissioning of Modular type Variable Refrigerant Flow/Variable Refrigerant Volume air cooled Outdoor units suitable for cooling and heating having 100% hermetically sealed inverter type twin Rotary/Scroll Compressor(s), 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. The system shall be able to deliver 100% of the rated capacity upto 39 Degree Celcius. 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 6.4 as per Energy Conservation and Sustainable Building Code (ECSBC) 2024 and complete as per the specifications, connections, inter connections etc. as required. Specifications The ODU must deliver a COP of minimum 3.5 at full load and shall be suitable to operate within an ambient temperature range of 5 oC to 40 oC in cooling mode and -10 oC to 15 oC in heating mode.

Outdoor Unit- 16HP (Hot And Cold) Top Discharge Disection Hall = 02 w

Outdoor Unit- 18HP (Hot And Cold) Top Discharge Lecture Hall 2 = (2w+1s) Lecture Hall 1 = (2w+1s)

Supply, 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,drain pipe, 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 system shall be capable to adjust air flow as per room requirement in auto mode. The IDU must have a wide operation range of -7 oC to +40 oC.

4.1 TR Lecture Hall 1 = (7W+1S) Lecture Hall 2 = (7W+1S) Dissection Hall = 6 No.

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 :

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

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