Renovation of AC System with VRF VRV at OHC and PAC for QA BPS ZSP

Amount

OUTDOOR UNITS :SITC of VRF/ VRV System - Supplying, Installation, Testing and Commissioning of Variable Refrigerant Flow / Variable Refrigerant Volume modular type air-conditioning system suitable of all weather proof for COOLING with variable frequency drive based technology, having all hermetically sealed inverter type scroll Compressor, comprising of one or more variable output compressor moduels,condenser coil & fins provided with special anti- corrosive treatment, necessary accessories for oil separation, moisture removal, flow control,interconnecting pipping, condenser air fan,electrical and microprocessor based controller,interconnecting cabling, all housed inside a weather-proof cabinet suitable for exposed installation on terrace. the panel must be 100% compatible with BMS. The unit/s provided with self-addressable control system for control of indoor & other outdoor machines. The capacity & power consumption curves deration / correction factor curves / charts for indoor temperature and piping derations must be submitted with offer, along with duly filled up datasheet in the attached format.And top discharge type condensing unit(s) with R-410 A / Eco-friendly refrigerant, vibration isolators, with suitable foundation etc. complete as required. The ODU unit shall deliver the rated capacity at AHRI conditions and work even at 50 Deg C ambient temperature without tripping . ODU unit shall be fitted with low noise propeller type aero spiral fan, condenser coil, refrigerant shut off valves, safety devices, including ODU Refnet , etc. The unit shall be suitable to work on 400 V +/- 10% , 3 phase, 50 Hz AC power supply. The unit shall be filled with first charge of the refrigerant and ready for use as required. The combination of ODUs should be in a way to achieve more than 3.6 COP at 100% capacity, and maximum 3 ODU / compressor models. ODU unit shall be equipped with an oil recovery sytem to ensure stable operation with long refrigerant piping. Condensing unit shall be modular type , designed as per Indian atmospheric conditions and should be capable to perform for Outside Ambient temperarture 52 Deg. C. Test certificates for VRF/VRV equipments shall be submitted. Total required Cooling Capacity of AC system for Building - 148 HP . ODU's should be installed on the Terrace of the Bldg. . NOTE :- (i) AC System should deliver its 100% Cooling capacity at 43 Deg C ( ambient temp.) (ii) AC System shall be provisioned such that, even if the power supply to any Indoor unit (IDU) is cut-off , the rest of the AC system shall be able to to continue to function normally.

Supply of Outdoor (ODU) Units - 50 HP capacity

Supply of Outdoor (ODU) Units - 24 HP capacity

INDOOR UNITS ( Ceiling suspended Cassette type AC): Supplying, installation, testing and commissioning of following capacity 4-way flow - VRF/VRF based - ceiling mounted Cassette type Indoor 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 , high lift drain pump, fresh intake provision , shall have four way supply air grills on sides & return air girll in center , cord less remote control with LCD display for controlling the indoor unit, display, addressable panel, required refnet joints,Cordless remotes for Indoor units with sensor kit. etc. complete as required suitable for operation on Single Phase, 230 Volts, +/- 10%, 50 Hz. AC supply, complete as required. The IDU shall have automatic force shut down provision in case of fire on recieving signal from BMS system . The Cooling capacity of Indoor Unit will be at air inlet condition of 27 Degree C DB and 19 Degree C WB temperature. NOTE : Each Cassette type AC (IDU) Unit shall be provided with Corded remote controller with LCD display and cordless remote controller.

Supply of 2.0 TR, Ceiling suspended - Cassette type Indoor unit.

Erection

Supply of 3.0 TR, Ceiling suspended - Cassette type Indoor unit.

Erection

Accessories: Refnet Y / T joints in pair with insulation, as recommended by manufacturer, suitable for the indoor machines quoted.

Erection

LOW SIDE WORKS FOR VRF SYSTEM: Installation & N2 Pressure Testing of following capacity of VRV/VRF outdoor unit (ODU) complete with hermetic SCROLL compressor, heat exchanger, inverter controller, multi step function to meet load fluctuation, axial flow quiet operation condenser fans, MS support stand with black paint, starter panel, microprocessor based control panel, modular type construction, safety devices, controls, fault alarm indications, memory storage, hydrophilic coated condenser coil with copper tube and copper header, condenser guard, fan guard, CRC coated outer casing, vibration isolators, compressor jacket; as per the specification. Isolater / MCCB in IP55 enclosure near each ODU with armoured copper conductor cabling with end termination from Switch to ODU provided by the electrical department.During any fault / Breakdown in the control wiring circuit or communication from IDU to ODU, The system must work as a standard DX system shutting off of complete system during communication breakdown IDU to ODU not acceptable.

Installation of 50 HP Low side work

Installation of 24 HP Low side work

Supply and charging of additional required Refrigerant gas- R410a required for commissioning of the VRF system.

MS Stand (epoxy coated)

VRF Copper Piping: Supply, installation, testing and commissioning of refrigerant gas & liquid piping with corrosion resistant coating and using eddy current free Copper pipes and fittings like elbows, couplers, tee joints, brass fittings, "U" loops, expansion loops etc. Supports consisting of GI box / "C" sections & female anchor fasteners with full threaded GI rods, insulation of suction / liquid pipes using 19 mm thick elastomeric closed cell Nitrile Rubber insulation material having class "O" for fire properties along with protective coating as per specifications, structural clamps with hard PVC pipe sleeves under the clamps to protect insulation at supports, tagging to enable tracing connectivity to respective units as per shop drawings to be generated by contractor and approved . Submission of test reports in approved format forms a part of this item scope.Core Cutting of walls also included.

Supply and Laying of 1.6 mm thick perforated GI Cable Tray for Copper piping with Powder coating,.

200 x 100 MM with Cover

MS Stand / Brackets for cable Tray

DRAIN PIPING: Supply, installation, testing and commissioning of Rigid heavy duty PVC drain piping & insulated with 9 mm thick closed cell elastomeric nitrile rubber insulation..Core Cutting is also included.

ELECTRICAL/COMMUNICATION CABLING: Supply, installation, testing and commissioning of following cable sizes with all accessories

2 core x minimum 1.5 sq mm shielded Copper control cabling with saddles/ supports & PVC conduits to connect outdoor units with respective indoor units & remote controller units. Shield to be grounded on both ends for each circuit.

FRLS XLPE insulated armoured flexible cable, to suit ODUs of VRF between individual outdoor unit to the isolators, near outdoor units along with termination using armoured copper cable laid in 120 GSM hot dip galvanized 22 G GI trays. (Mains Power Supply & Isolators near ODU to be provide by Electrical department of required size Contractor has to confirm the Isolators specifications form manufacturer)..Core Cutting is also included.

Supply: wire between indoor unit to the socket (3core x 1.5 sqmm Cu wire) laid in PVC conduits.

Supply, Installation, Commissioining and Testing of necessary Three pin tops for VRV indoor units

Supplying, installation, testing and commissioning of floor mounted cubical type Outdoor ( All weather proof) - Application electrical power supply panel - with double door system - IP 65 protection- (On suitable foundation to withstand a wind speed of 160 KMPH -) suitable for 415V, 3 Phase, 4 Wire, 50 Hz AC supply system fabricated in compartmentalized design CRCA sheet steel of 2 mm thick for frame work and covers, 3 mm thick for gland plates i/c cleaning & finishing complete with 7 tank process

Comprehensive AMC of Complete VRF/VRV System of OHC Bldg. Comprehensive maintenance of ( Routine & Preventive ) and breakdwon of high side and lowe side of the VRF/VRV -288 HP Capacity Air Conditioning system comprising all the machinery - IDU's ; ODU's , remotes, electrical MCC panel, equipments including spares , consumables , etc. as given in additional terms and conditions complete as required (after One year defect liability period / after warrantee period

First Year / HP

Second Year / HP

11 TR Capacity Floor Mountd Package Type AC unit (i) Power Supply : 3 Ph, 415Volts, 50 Hz (ii) Refrigerant : Eco friendly / R-410A (iii) Control :Intelligent Microprocessor contrl with LCD display (iv) No. of Compressors & Type : 01 No. & High Energy Efficient (v) No. of condensers : 01 No. (vi) Type of Condenser : Water Cooled - Shell & Tube (vii) Nominal Air Flow : Range from 4180 CFM to 4620 CFM

Supply

Erection

8.5 TR Capacity Floor Mountd Package Type AC unit (i) Power Supply : 3 Ph, 415Volts, 50 Hz (ii) Refrigerant : Eco friendly / R-410A (iii) Control : Intelligent Microprocessor contrl with LCD display (iv) No. of Compressors & Type : 01 No. &High energy efficient Scroll Compressor (v) No. of condensers : 01 No. (vi) Type of Condenser : Water Cooled - Shell & Tube (vii) Nominal Air Flow : Range from 3200 CFM to 3600 CFM

Supply

Erection

Supply & Laying of Cooling tower water pipe line for INLET/ OUTLET in GI - Size :2/ 2.5 " for 8 / 11 TR Package AC - including flanges, elbows, couplings, nipples, welding, etc. as required. Butter fly valves for Inlet - 10/10 nos. Entire GI piping shall be done painting with red oxide & double coat metal metal primer painting ( preferably - green colour) & as required as per site conditions .

Supply

Erection

TOOT MNE TECH PRIVATE LIMITED (BID ID -3229438)

ETA Engineering Pvt Ltd (BID ID -3228654)