PROVN OF AIR CONDITIONING FOR MILITARY DENTAL CENTRE AT MHOW UNDER GE (MIS) MHOW.

VRV OUTDOOR UNIT Supply, installation, testing and commissioning of following VRF / VRV outdoor units, having R410A / R407C refrigerant, multiple Nos. of inverter, digital scroll compressors, air cooled condenser fan with motor, microprocessor control panel, starter controls for all scroll compressors and condenser fan motors along with internal control and power wiring, cooling coil with internally interconnected refrigerant pipes for interconnecting various capacity modules, charging port and all other required accessories, & hardware, first charge of refrigerant and all other required accessories, hardware like T joints etc., all enclosed in an enclosure with weather resistant powder coating paint for withstanding all ambient conditions for continuous outdoor operation, suitable to operate on 3-Phase, 380-415 V, 50 Hz ACpower supply complete all as specified and directed by the engineer in-charge. (a) VRF / VRV outdoor units of min. 30 HP combined heating + cooling capacity at site conditions (two outdoors connected simultaneously) Make: LG/MITSUBISHI ELECTRIC/TOSHIBA/DAIKIN/ TRANE

NOTES: [i] The VRF/ VRV system shall be provided with mounting base and antivibration pad(s). All the accessories, hardware, software, consumables etc. whether specifically mentioned or not but required to put the VRF / VRV System into service up to the satisfaction of the Engineer-in-charge including testing, commissioning as per specifications, site constraints shall be deemed included in the scope of the work. [ii] Nothing extra shall be payable for these systems under any circumstances. All the consumables including first charge of refrigerant (R410A / R407C) and oil for the proposed VRF / VRV system shall be deemed inclusive in the scope of work. The topping of refrigerant and oil shall also be included in the scope of work for arresting leakages if any. The unit shall be lifted using crane / sufficient manpower and installed on suitable pedestal / MS rail / bots & nuts etc, all complete as requirement of site conditions.

REFRIGERANT COPPER PIPING Supply, installation, testing and commissioning of refrigerant copper piping 0.9 to 1 mm thick duly insulated with 19 mm thick closed cell elastomeric nitrile rubber tubular insulation of hard drawn / soft drawn copper pipe, laid on walls / roof / ceiling well supported at specific intervals with GI support hangars each at an interval of 1m and screwed with anchor fasteners and necessary accessories, jointing / brazing etc., including connection between outdoor unit to indoor units as required including nitrogen pressure testing on 500 PSI complete all as specified and directed by the engineer-in-charge. (a) 1 3/8 " - 1/4" (Pair of liquid and suction line) with N2 pressure tested @ 500psi

NOTES: [i] The sizing of refrigerant copper piping shall be confirmed / vetted by the OEM. [ii] All piping inside the ceiling shall be properly supported using necessary clamps and all externals refrigerant lines shall be properly protected using necessary PVC (HDPE) pipes with accessories to suit the site conditions. [iii] The quantity of these items of works shall be measured as per actuals requirements of site conditions. The vendor shall accept the accepted rate as per the actual measured quantities.

Supply, install, testing and commissioning of VRF/VRV indoor AC unit (ceiling mounted 4 way round flow ceiling suspended/mounted cassette type unit comprising of copper evaporator, electronic expansion valve, blower, motor, filter pad, auto air swing louvers, temperature &on/off display with inbuilt drain pump & decorative panels including internal wiring, controls. Dimension in terms of length & width should not be more than 950mmX 950mm with wireless remote controller. (Single phase/three phase) VRF indoor units with built in wireless reciever and remote controller, with EEV built in, and including fixing of PVC fresh air pipe fan complete as per specification with flexible connection at cassette's end of size 100 mm complete all as specified and diercted. Make: LG/MITSUBISHI ELECTRIC/TOSHIBA/DAIKIN/ TRANE (a) 3.2 TR 4-way Cassette AC Note: fresh air pipe will be measured & paid separately

(b) 2 TR 4-Way Cassette AC

Supply, installation, testing and commissioning of wall mounted indoor VRF/VRV AC split unit 1.5 TR comprising of copper evaporator, electronic expansion valve, blower, motor, filter pad, auto air swing louvers and temperature & on/off display with provision of discharge angle setting by wireless remote controller including internal wiring, controls complete all as specified and directed.

Supply, installation of air purification kit with 2.5 ppm filter manufactured by OEM from same brand to fit in cassette AC's grill complete all as specified and directed.

OUTDOOR UNIT REF-NET JOINTS Supply, installation, testing and commissioning of variable refrigerant flow distribution Ref-nets (Y-joint) in the gas and liquid lines for outdoor unit complete all as specified and directed.

DRAIN PIPE M &L for following sizes PVC drain water pipe including bends, collars & elbow etc, all complete and duly insulated with 6 mm thick tubular insulation of closed cell elastomeric nitrile rubber as required for 25 / 32 / 40 mm Dia complete all as specified and directed. Make :Astral, Supreme, Vigor

PVC FRESH AIR PIPE Supply PVC fresh air pipe fan complete as per specification with flexible connection at cassette's end of size 100 mm complete all as specified and diercted.

Supply installation of 1.5sqmm 2core shielded communication cable with PVC conduit away from AC power complete all as specified and directed.

Supply, installation of MS choki stand , with outdoor unit rubber pad and plates at base duly grouted to ground , with maximum height 8" and coated with oxide and paint to protect from rusting complete all as specified and directed.

M&L for exposed metal frame ceiling E-grid framework comprising of pre coated GI wall angle of size 24x24x0.35 thick fixed with to the periphery of the walls at the desired ceiling height with PVC dash fasteners (nylon sleeves) and steel screws at 300mm centre to centre. GI main Tee runners with pre coated steel capping of size 24X38X0.25 mm thick shall then be suspended from the soffit of roofs /purlins with 4mm dia hanger GI wire, soffit cleats of size 27X37X25 mm and 1.6 mm thick and 6 dia X 40mm metal anchor fasteners (Rawl plugs) at 1200mm centre to centre. Grid module size of 600 X 1200mm shall initially be achieved by insert fixing of 1200mm cross Tee size 24X 26X 0.25mm thick are then inserted into the main Tee runner @ 600mm centres and in direction perpendiculr to it. The fixing of one profile to other is achieved using the snap and bayonet fixing mechanism provided in the profiles and grid module size 600X600 mm is achieved. Finally placing 04mm thick pre-painted 'designer cement board Tiles' confirming to IS in false ceiling complete all as specified and directed.

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