8766 SPECIAL REPAIR/RENEWAL OF VARIABLE REFRIGERANT FLOW (VRF) ACS IN REPLACEMENT OF BER AC PLANTS AND EARTHING AND LIGHTNING ARRESTORS ALONG WITH THE CONNECTED ACCESSORIES AT AFMC UNDER GE (C) PUNE

Supplying testing and commissioning of following, VRF air conditioning system, outdoor unit (ODU) complying OEM standards working on HFC free refrigerant R410A or other required/suitable green equivalent refrigerant, for cooling capacity delivering 100% at 43 deg. celcius and nonstop cooling even at 56 deg. celsius and coefficient of performance (COP) 3.00 to 4.00, modular type horizontal/vertical hot air discharge suitable for total piping length upto 1000 metre operation in cooling mode with inverter based VRF technology microprocessor based control compressor starter/control panel complete with scroll compressor, air cooled anti corrosive Copper condenser coil of suitable shape for increasing maximum heat transfer area, built in oil separator, accumulator and oil receiver, Copper tube Aluminium fin air cooled condenser, condenser fan with motor suitable for 415V ± 10%, 50 Hz, 3 phase power supply, internal Copper refrigerant piping, internal wiring and first charge of refrigerant incl any additional ref gas charge due to piping length etc. all housed in powder coated weather proof cabinet on angle iron frame or suitable foundation connected to the system in approved manner complete of the following capacity VRF Out door unit complete all as spd and directed:- 34 HP (18+16) If this specific breakup is unavailable in the market Note: The quoted rate shall be deemed to incude any combination of outdoor units required to achieve the specified capacity and system performance. The quoted rate of VRF outdoor unit shall include all arrangement for liting, hoisting and placing the unit using crane, chain pulley block, No extra payment shall be admissible on this account. No extra payment shall be admissible for configuration changes during approval stage.

Supply, installation, testing and commissioning of VRF based ceiling suspended 4 Way cassette room/indoor unit of nominal cooling capacity 2 TR having EER as per BEE standards and specifications, suitable as per site requirement with swing louvers and adjustable blades from sides. arrangements. IDU with drainage fan, refrigerant liquid and refrigerant piping, cordless remote control, and fresh airport etc. suitable to operate on 1-phase, 230 V, 50HZ, AC supply complete all as specified and directed. Note: The quoted rate includes the initial filling of refrigerant gas and compressor gas (if applicable), all cuting/core cutting, chasing, drilling, making good of wall/ceilings/floors surface shall be included, as suitable size drainage pipe along with its suitable insulation is also included. It is also to note that the proposed indoor unit must be maintain operating sound as per ISHRAE/ASHRAE standards.

Supply, installation, testing and commissioning of VRF based Hi Wall Indoor unit (IDU-Large size) of nominal cooling capacity 2 TR having EER as per BEE standards and specifications, suitable as per site requirement with swing louvers and adjustable blades from sides. arrangements. IDU with drainage fan, refrigerant liquid and refrigerant piping, cordless remote control, and fresh airport etc. suitable to operate on 1-phase, 230 V, 50HZ, AC supply complete all as specified and directed. Note: The quoted rate includes the initial filling of refrigerant gas and compressor gas (if applicable), all cuting/core cutting, chasing, drilling, making good of wall/ceilings/floors surface shall be included, as suitable size drainage pipe along with its suitable insulation is also included. It is also to note that the proposed indoor unit must be maintain operating sound as per ISHRAE/ASHRAE standards.

Supplying, laying, testing & commissioning of appropriate nominal refrigerant Copper pipe (Soft drawn/hard drawn) of suitable sizes as per OEM standards along with necessary supports with OEM approved thickness elastomeric nitrile rubber insulations. Core cutting to be included. all cuting/core cutting, chasing, drilling, making good of wall/ceilings/floors surface complete all as specified and directed. Note: The rate shall include Copper piping of all diameters reqd as per OEM design, all support, clamps, threaded rods, anchor fastners, hangers, saddles required for complete installation. no extra payment for pipe size variation will paid.

Supplying and installation of high-pressure grade required size Copper connection Y joints/refnet complete erected on wall ceiling with supports/raceways, Nitrile rubber insulation etc. with brazing and testing for leakages confirming the normal operation of the VRF air conditioning system complete all as specified and directed. Note: Rate shall include foundation, vibration pads, structural supports and lifting arrangements.

Supply, installation, testing and commissioning of refrigerant branch distributors complete with insulation, brazing, leak testing and all accessories required for proper functioning of VRF system complete all as specified and directed.

Supply & fixing of Rigid UPVC pipe complete with fittings, supports as per specifications and duly insulated as per standard engineering practice of closed cell nitrile rubber insulation in surface/recess cutting, core cutting of the wall and making good the same etc. complete all as specified and directed.

Supplying & fixing powder coated MS 2 mm thick cable tray along with suitable copler plate, suitable size runner, threaded rod, fastner duly fixed to wall/roof along with all cable try fittings such as Tee, Reducers, bends etc, threaded rods, anchor fasteners, clamps and all fixing arrangement is included complete all as specified and directed. (a) 300 mm width X 50 mm depth X 1.6mm thickness

(b)150 mm width X 50 mm depth X 1.6mm thickness

Providing and fixing of 3 core 1.5 sqmm PVC insulated and PVC sheathed bright annealed Copper conductor cable for communication indoor and out door as per manufacture standard between indoor unit/outdoor unit controllers inside building in existing steel/PVC Conduit, on surface/existing channel, i/c making connection etc as reqd complete all as specified and directed.