Augmentation of One (01) No. Heat Pump, integration of VAVs with Building Management System and installation of VFD for cooling tower of Anushilp Building at GHAVP site.

Amount

Plastering:12 mm cement plaster of mix: 1:4 (1 cement: 4 fine sand)

Brick work : Brick work with clay fly ash F.P.S. (non modular) of class designation 7.5 in superstructure above plinth level up to floor five level in Cement mortar 1:6 (1 cement : 6 coarse sand) at all heights and depths laid to proper position line, level as per the drawings and specifications including providing necessary scaffolding, staging, raking out of joints, curing etc. complete in all respects inclusive of cost of all labour, materials, tools, tackles etc. as per drawings, specifications and direction of Site Engineer.

AIR COOLED SCROLL HEAT PUMPS: (for winter heating) Supply, Installation, Testing and Commissioning of air cooled scroll Heat Pumps of 100 KW actual capacity having atleast two or more compressors in hermetic construction, refrigerant shall be R410A, each having minimum actual cooling & Heating capacities at condition as mentioned below. Heat Pumps shall be self contained complete with scroll type multiple compressors suitable to operate using direct drive motor, shell & tube type plain copper tubes cooler duly insulated with weather proof closed cell elastomeric insulation of requisite thickness,. The condenser fans shall be axial type with low noise, directly driven by a motor and positioned for vertical air discharge. The draw-through design provides uniform airflow over the entire condenser coil shall be, thus ensuring proper condensation throughout the coil. The condenser fan motors shall be designed for outdoor operation in high ambient temperatures. fan/s suitable for outdoor installation conforming IP-55 protection. copper refrigerant piping, full refrigerant gas charge, vibration isolation mountings, all accessories as required whether specifically mentioned in the BOQ and specifications or not but mandatory to complete the package, auto sequencing arrangement, automatic and safety controls including electronic expansion valv Each unit shall comprise of minimum two independent refrigeration circuits, copper refrigerant piping, full refrigerant gas charge, vibration isolation mountings. The Heat Pump packages shall also be complete with microprocessor type control panel comprising of all adaptive controls, indication lights, DOL starters, over load & under load protection, control cabling, system control wiring all complete in a single unitand as per specifications. The heat pump unit shall be suitable to operate on 415±10% volts, 50Hz, 3 phase, AC power supply. The water heating machines shall be complete with Victaulic coupling/Flanges or any other accessories required to make the installation complete. Units shall be BMS compatible. Price shall be inclusive of Heat Pump integration with existing BMS system. Quoted price shall be inclusive of charges towards Clearance at nearest Port, Insurance Cover, local transportation, Handling, Lifting & shifting of heat pumps upto foundation, positioning on foundation, installation Testing & Commissioning. The heat pump units shall meet the following design parameters: (1) Cooling Capacity: 35 TR (Actual) at conditions as mentioned below (2) Cooling Leaving Water Temp: 7 Deg C (3) Water Flow: 22.4 cube mtr /Hr (4) Outdoor temperature DBT: 38 Deg C (5) maximum COP at AHRI Condition: 3.1 (6) Heating Capacity: 100 KW (Actual) at conditions as mentioned below Heating Leaving Water Temp 50 Deg C (7) Water Flow: 22.4 cube mtr /Hr (8) Outdoor temperature DBT: 0 Deg C, B3 (9) Minimum COP at AHRI Condition: 3.2 (10) Max pressure drop: 45 kPa (11) Max Db level at 1m: 70 Db (12) Matching highly efficient Cooler of Shell & Tube type only. Refrigerant piping fittings,valves, accessories to inter connect compressor, condenser, chiller and expansion valve. Control panel with display comprising of Controls. It shall also be equipped with protection and monitoring devices such as H/L Pressure switch/ Thermal and Current Overload Protector DP/ Flow switches at inlet and outlet of chiller, water drain & air purge valves, wherever required. suction line and chiller insulation Frame work for mounting the above condenser, chiller, compressor and motor with base plate complete with antivibration pads/ springs.Initial/ first charge of refrigerant gas & compressor oil duly charged at factory. Air cooled scroll Heat Pump packages as described above. Notes : 1. Contractors to furnish catalogue in support of the heat pump model offered. 2. Bidders shall ensure availiability of spare parts chillers for a minimum period of ten years. 3. Warranty shall be 12 months from date of commissioning and handing over. 4. Quoted price shall be inclusive of Flow Sensors/ Differential Pressure Sensors for each unit.

THERMOMETERS: Supplying, Installaing, Testing and Commissioning of 100mm dia dial type thermometers as per the specifications.

PRESSURE GAUGES: Supply, Installation, Testing and Commissioning of industrial type pressure gauges completely in stainless stainless steel (SS) construction with 100mm dia dial and complete with shut off gauge cocks etc. as per the specifications. U tube of pressure gauges shall be insulated.

GATE VALVES: Supplying, Installaing, Testing and Commissioning of 25mm dia Gate Valves in accordance with the approved shop drawings and specifications.

AUTOMATIC AIR VENT/ PURGE: Supplying, Installaing, Testing and Commissioning of 10mm dia automatic vent/ purge valves in accordance with the approved shop drawings and specifications.

MOTORISED BUTTERFLY VALVES: Providing and fixing in position the following Motorised Butterfly Valves of 80mm dia at the outlet of coolers with ON/OFF type actuator of suitable torque complete with control wiring in copper construction. Butterfly valves shall conform to PN-16 rating as per specifications. Quoted price shall be inclusive of current transformers, control cabling etc. as required, insulation for valves associated with chilled water circuit as per the specifications.

BUTTERFLY VALVES: Providing and fixing in position the following wafer type Butterfly Valves of 80mm dia complete with SS-410 disc, companion flanges, nuts, bolts, gaskets etc. as required. Butterfly valves shall confirm to PN-16 rating as per specifications. Quoted price shall be inclusive of insulation for valves associated with chilled water circuit as per the specifications.

Balancing Valves : Supplying, Installaing, Testing and Commissioning of 80mm dia Balancing Valves in accordance with the approved shop drawings and specifications. Balancing valves shall conform to PN-16 rating as per the specifications. Quoted price shall be inclusive of insulation as per the specifications.

Supply and Application of 25mm/32mm thick closed cell elastomeric insulation in tubing form/ flat sections for chilled water piping as per the specifications. Quoted price shall be inclusive of adhesive as per specifications. Joints shall be sealed with adhesive forming proper bonding. Quoted price shall be inclusive of 24 G aluminium cladding for chilled water piping.

125mm dia (32mm thick)

80mm dia (25mm thick)

125mm dia

80mm dia

Supply, laying, affecting connections and Testing of the following sizes of 1.1 KV armoured PVC insulated aluminium/ copper conductor cables. Cables shall be inclusive of all clamps, saddles, screws, cable identification tags, cable terminal joints including terminal lugs, insulating tapes, affecting terminal connections to the equipment as per the specifications and as required. Quoted price shall be inclusive of perforated duly painted 2mm thick MS trays to be installed inside and GI trays to be installed outside exposed and 8SWG copper earth wire for all equipment except heat pump for which 32mmx6mm GI strip shall be used. All cables shall be FRLS type.

3.5 C x 120 Sqmm cable (Aluminium)

3 C x 1.5 Sqmm cable (Copper Control cabling)

Supply, laying and fixing of perforated duly painted 2mm thick and following width and depth GI cable trays with required bends to be installed outside exposed to weather and 32 mm x 6 mm GI strip running along with cable trays for earthing of cable trays and heat pump

300mm width *50 mm depth

150mm width*50 mm depth

BMS Integartion: Required Gateway/ Open Protocol Software for integrating the third party system communicating on one of the Standard Open Protocols such as BACNet, MODBUS, M-Bus, J Bus etc - Vendor to consider required No. of Integrators for qty's mentioned.

Integration of VAV unit (Controller) with 24 V power supply module

Supply Installation Testing and Commissioning of 2x1.5 sq mm FRLS Copper shielded Cable

Supply Installation Testing and Commissioning of 20 mm dia PVC conduit with accessories

Supply, Laying and Installation of CAT-6 UTP cable.

Supply, Installation, Testing and Commissioning of variable frequency drives for Cooling Tower for Cooling Towers-1x7.5HP Each. VFDs shall have built-in harmonic filters. The drives shall be suitable for the following motor rating. VFDs shall be housed in precoated, vandal proof enclosure with On/ Off Push Buttons, Phase indication lights, A/M Switch and with adequate provisions for ventilation using a fan. The VFDs shall be able to receive the signals from Temp. sensors and to ramp the speed of the motor. Quoted price shall be inclusive of Outdoor type Immersion Water temperature sensor complete with control wiring in all respect as required and necessary electrical switches including change over switch & copper cabling for integration with the Exisitng MCC panel feeder for cooling Towers. Overall protection of VFDs with Panels shall be IP-54. VFDs shall be BMS compatible with Modbus RS 485 protocol. (i) Sensing Range : 10mm to 50 mm WG(ii) Output Signal : 4 mA to 20 mA OR 0 V to 10 V DC

Supply, Installation, Testing and Commissioning of Wall mount type Temp + RH sensor of approved make as per specifications. T+RH sensor shall be installed in place of Existing Temp. sensor in AHU Rooms. Quoted price shall be inclusive of Dismentling of Existing sensor and handing over the same to Clients.

Cost of integration of VFDs for Cooling towers & T+RH sensors in existing Building Management system. Quoted price shall be inclusive necessary commissioning works and required accessories as required to make the installation complete as per requirements. Price shall also include necessary cables in GI conduits. Programming of BMS to be done to include following : a. Monitoring of Temperature & RH of each AHU Room in BMS. b. Modulation of Cooling tower VFD based on Condenser water temperature (Chiller Inlet/cooling tower outlet).