Supply installation testing and commissioning of water cooled central AC plant of capacity 3200 TR with 4 Nos centrifugal chiller each of capacity 800 TR in IIT Kanpur

Amount

Equipments

Supply, Delivery, Installation, Testing and Commissioning of the undermentioned items all in accordance with detailed technical specifications, drawing & design etc.

Water Cooled Centrifugal chiller

SUPPLY PART

Supplying of AHRI/EUROVENT certified centrifugal water chilling machine with liquid refrigerant cooled semi hermetic induction motor or TEAAC/SPDP open motor each having a capacity of 800 TR at chilled water inlet/ outlet temperature of 54 deg.F / 44 deg.F with chilled water circulation rate of 1920 USGPM and condenser water inlet/ outlet temperature of 90 deg.F / 100 deg.F with circulation rate of 2400 USGPM suitable for operation with single stage / multi stage design comprising of the following complete as per specification and as reqd.

The chiller must be able to unload from 100% to 20% at constant condenser inlet temperature of 90 Deg.F without surging and without hot gas bypass

Refrigerant - HFC-A1 (Only R134A) or HFO-A1/B1 refrigerant (non-ozone depleting, low global warming potential (GWP) based refrigerant, as per ASHRAE/NBC 2016 allowed standard )

Evaporator fouling factor: 0.0005 (British Units)

Condenser fouling factor: 0.001 (British Units)

Max. IkW / TR at site conditions: 0.64

Max. IkW / TR under AHRI conditions: 0.54 (without K adjustment factor)

Max. NPLV = 0.37 (Within AHRI 550/590 standard tolerance limit) & Max IPLV = 0.35

Maximum Evaporator Pressure Drop = 6 m

Maximum Condenser Pressure Drop = 6 m

1 No.-Centrifugal type compressor semi hermetic complete with automatic capacity control, safety switches, forced feed lubrication system etc. as per specifications and of chiller OEM (Original Equipment Manufacturer) make.

1 No.-Suitable capacity squirrel cage induction motor with class 'F' Insulation suitable for operation on 415±10% volts, 50 HZ, A.C. Supply.

1 No. factory fitted unit mounted Variable Speed Drive starter with ammeter with CTs, overload protection ,under voltage protection, protection against phase reversal & independent single phase preventers etc complete as required.The VFD of chiller may preferably be unit mounted, but standalone VFD is also acceptable. In both cases, it should be factory fitted. The chiller and its VFD should be integrated at the chiller OEMs factory, and the VFD coupled chillers performance demonstrated at 4 points (100%, 75%, 50% & 25% of load) prior to dispatch of the chillers and shall be verified during inspection at the factory end.

Necessary drive arrangement

1 Set- lubrication device consisting of automatic electric oil pump, oil cooler, head tank, oil strainer, automatic pressure regulating mechanism, oil heater, thermal switch etc. as per specifications.

1 No - matching shell and tube water cooled condenser of M.S. shell and integrally fined copper tubes.

1 No. -matching shell and tube flooded type chiller for centrifugal type units of M.S.shell and integrally finned copper tubes.

1 Lot- Refrigerant piping fittings,valves and accessories to inter connect compressor, condenser, chillers and expansion valve.

1 Set - Microprocessor based control panel complete with accessories as per specifications. Controls shall be suitable for hookup to BMS, compatible with BacNet / Modbus as per specifications.

Lot - Refrigerant line accessories comprising of safety valves, angle valves, liquid line indications, liquid level control etc.

Lot- water flow switches at inlet and outlet of condenser and chiller, water drain and air purge valves wherever required.

2 Years comprehensive warranty of chiller after expiry of 2 years defect liability period including refrigerant recharge,oil , filter, sensor etc. of any nature ( warranty certificate required from OEM/ as at Annexure 1 (Appendix VII) of General Specification) after commissioning of the system.

The OEM shall ensure the availability of the Refrigerant throughout life of the chiller as at Annexure 2 (Appendix VII) of General Specification

Supply of 800 TR Machine as above (CIF Delhi Port)

Note:-Custom / excise duty is exempted for IIT Kanpur. Necessary documents shall be provided by the Institute.

Delivery, Installation, Testing & Commissioning Part.

CHARGES FOR LOCAL TRANSPORTAION, INSTALLATION TESTING & COMMISSIONING PART INCLUDING SITC OF REFRIGERANT LEAK DETECTION SYSTEM AS PER SPECIFICATION

Installation, testing and commissioning of 800 TR water cooled centrifugal chiller machine including the followings and in alll respects as per the site requirement and specification.

Anti- sweat insulation on the cooler , shell , flow chamber, tube sheets , suction connection and (as necessary) to the auxiliary tubing as per specification to suite the chilling machine.

Initial Charge of HFC A1 ( Only 134A) or HFO -A1/B1 refrigerant as per ASHRAE/NBC 2016 safety standard and oil.

Anti-Vibration / noise mounting as specified.

Victaulic groved coupling for chiller & condensor.

RCC foundation for the chilling machine.

* SITC of refrigerant leak detection & monitoring system compatible with the chiller for all halogen based refrigerants and blends (HFO/HFC), sensitivity of 1 PPM and range- 0-1000 PPM, with 3 alarm level (Low, medium & high), hooter for alarm, control panel for minimum 4 zone ( i.e. for covering min. 4 chillers ) with digital display, alarm for individual zone, including all accessories i.e field sensors, field pipe or tubes, Shielded cable, hanger & support etc complete as required. The controller shall be capable for integration with third party BMS and remote monitoring and conforms to UL STD & compliance with ASHRAE Standard 15, complete as required.( Note: For 4 no. chiller's it shall be considered as 1 set) (2 Years comprehensive warranty after expiry of 2 years defect liability period. ( warranty certificate required from OEM.))

Local clearance at port, local transportation to FOR IIT Kanpur transit and erection insurance. (Note: * For 4 no. chiller's, item (f) i.e. refrigerant leak detection & monitoring system shall be considered as 1 set)

SITC of chiller plant manager

Providing Chiller Plant Manager System with Equipment & Associated accessories & Cabling.The chiller plant manager shal be of the same manufacturer/OEM as that of the chilling unit. Chiller plant manager suitable to control and optimize the operation of all the chillers , primary pumps, secondary variable speed pumps,condenser pumps,expansiontank,air degasser, dirt separator and motorized valves in efficient way without any manual intervention. CPM should be capable of adding/subtracting the active chillers based on building load, equalize the run time and ensure operation of stand by chiller in case of a failure. Monitoring should be through local display as well as the CPM to be linked with supervisory network (BMS)/ work station vis MODBUS/BACNET for automation of Chillers, valves & Associated Pumping System. Chiller Plant Manager shall be capable of Integration into BMS over industry recognized common platform.Specifications as below

Network controller/Chiller Plant Module - Providing, installing, testing and commissioning of Network Supervisory Controller unit for connecting all controllers to it and transferring data to PC platform. (A) The unit shall comply following codes and standards: UL and CE. (B) The unit shall support OPEN STANDARD protocol BACnet and Modbus.(C) Shall be able to store reports and event logs. (D) WEB ENABLED. The controller shall be capable of connecting the future expansion DDCs / Integrators. The Controller shall be able to support both Modbus & BACnet controllers. It should have at least 3 configurable ports for connectin BACNET/MSTP devices & all these ports should be capable to work as Modbus port. Each port should be able to take at least 60 DDCs in a single loop. It should be capable of storing data at least for 72 hours without any battery in case of power failure & should have micro SD card for backup recovery. It should be web enabled and should be able to work with any kind of search engine, it should have wi-fi capability to connect with remote devices. It should freely support Android and MAC mobile applications for remotely managing the system through GPRS for wi-fi connectivity without any additional cost. :-1Set

Work station/ Central computer: Central computer (core i7, 10th generation industrial model) with 40" LED monitor, latest windows licensed software, 16 GB RAM, 1TB hard disk, etc. Computer shall have all the required softwares for CPM functioning and shall complete with monitoring and control functions, system database to collect & store access points, analogue points, status points, accumulator points, historical & event data, event management, alarm management, reporting software, etc. The system shall have the facility to integrate with third party systems using the Bacnet or Lon works protocols. Software shall be Multi User web based software. - 1 set

Graphical Software:-Supplying, Testing and Commissioning of the Graphical Software providing the facility to create / provide the following, static and animate the Graphics, Navigation between pages, display of logs, changing the time zones.The CPM platform shall natively support standard communication protocols such as Modbus and BACnet™. The software should be Web Based Software Required to remotely monitor the system for 5 concurrent users. :- 1 Lot

DDC Controller with panel, having a processor of 32 bit 50 MHZ. The controller shall support easy graphical programming and shall be able to store the program in the controller rather than store in the PC. It should include lockable mounting cabinets duly powder coated connector strip, internal wiring, etc. -

Field sensors. Minimum requirement of field sensors for chillers, pumps etc all are included. Any more sensors required as per I/O summary and for proper functioning of CPM shall be included.

Integrator - lot

Note: 2 Years comprehensive warranty of CPM after expiry of 2 years of defect liability period including software upgradation, sensor's upgradation etc. of any nature after commissioning of the system (warranty certificate required from OEM).

Plant manager as described above

CLOSED EXPANSION TANKS (WITH BUILT-IN DEGASSER, AUTOMATIC PRESSURISATION AND AIR SEPARATOR)

Supply, Installation, Testing & Commissioning of automatic pressurization system with pressureless closed expansion tank complete with built in degasser, Twin make-up water pumps including one standby, Pump control unit with touch screen & with incorporated automatic water make-up, pressure switch, non-return valve, pressure gauges and necessary isolating valves. Closed Expansion Tanks shall be capable of acting as air separator as well as degassing air in the system. Tank shall be of MS construction duly insulated including connection with chilled water line grid, valves, electrical connection complete as per the specifications. The whole system duly tested from factory confirming to international standards PED-97/23/EC, IEE, EMC-2014/108/EC directives & should contain replacebale butyl bladder in accordance with DIN EN 13831. Expansion tanks shall be of following capacities: Total approximate system volume of 400000 ltr. at maximum ambient of 45 Deg C. The static height may be considered as 40 mtrs. The system shall consist of minimum following components & features:

a) Twin Pressurization Unit c/w multistage pumps(orientation verticle/horizontal), Flow regulator valve, solenoid valve in spill lines, Safety relief valve, Pressure sensor, Pipe fittings c/w Controller & display. b)Pressureless Expansion Tank 5000 liters c/w high quality butyl rubber bladder, rupture sensor, weight sensor, coalescing pall rings for active de-aeration, drain cock and adustable feet for height adjustment, as unit is subject to atmosphiric pressue, tank pressure rating should be 5 bar. c) Flexible Connection: Flexible Connection must include a de-aeration sensor for signaling the controller to continue/stop the active de-aeration. d) Backflow Preventer c/w, water meter, ball valve and non-return valve, strainer/Particle filter/ and shut-off valve according to DIN 1988 and DIN EN 1717 in top up connection. e) Controller with IP 54 rating, display unit showing system content, system pressure and status of the main operating components in realtime. top up function, flood limitor/shut down function in event of serious leak. In case of any fault controller shall display the fault code and generate the alarm. Note:-The system pressure is monitored by a control unit with a microprocessor which has IP 54 protection and keeping the pressure within close tolerance limit of+/- 0.2 bar to the set pressure and capable to transfer complete operation information to BMS.

Note: 2 Years comprehensive warranty of closed expansion tank after expiry of 2 years of defect liability period including software upgradation, sensor's upgradation etc. of any nature ( warranty certificate required from OEM/ as at Annexure 4 (Appendix VII) of General Specification) after commissioning of the system.

5000 Litres

Dirt Separator

Note: 2 Years comprehensive warranty of Dirt Separator after expiry of 2 years of defect liability period ( warranty certificate required from OEM/as at Annexure 4 (Appendix VII) of General Specification) after commissioning of the system.

PUMPING SYSTEM

Primary Skid mounted Chilled water pumps with constant speed Pumping system.

SITC of factory designed, built, tested and assembled Skid Mounted ,Vertical Inline Closed/Split Coupled Single Stage, Single Suction Centrifugal Pumps suitable for variable flow chilled water recirculation system.Suction and Discharge connections shall be of same size .The pump shall be of top pull up design i.e. the power head(motor,pump head, and impeller) can be removed for maintenance or service while the pump housing shall remains in the pipe work. The mechanical seal should be easily replaceable without damaging pump & motor shaft and also without removal of the suction & discharge pipeline. Impellers shall be made of bronze enclosed type with smooth surface for minimum friction loss, Impeller shall be keyed to the shaft and secured by impeller lock nut.Pump Shaft shall be made of Stainless Steel. Coupling shall be closed coupled type, the pump stub shaft is fastened directly on the motor shaft with key & set screws. The pump housing shall be with a replaceable bronze neck ring to reduce the amount of liquid running from the discharge side of the impeller to the suction side. All the pumps shall be mounted on a common skid and shall consist of the following :-

1)Suction and discharge headers 2)Suction guide across each pump 3) Set of butterfly valve, balancing valve & check valve across discharge of each pump 4) Butterfly valve across suction of each pump 5) Pressure Guage 6)Temperature gauge 7)Suction and discharge header pipe support. Pipe work,asessories, pumps shall be suitable for PN-16 rating mounted in a single skid from factory fitted.The liquid cavity shall be sealed off at the pump shaft by an internally flushed mechanical seals to ensure maximum seal face lubrication, heat dissipation and debris removal without vulnerable external flush tubing , and with carbon seal seat vs silicon carbide seal ring . The pump coupling shall be of closed-coupled type with stub shaft. All external and exposed cast iron part of pump have an epoxy-based coating made in cathodic electro-deposition (CED) process. The motor shall be of TEFC Sq.Cage flange mounted, totally enclosed fan-cooled motors with IP 55 enclosure class 'F' insulation, suitable for 415V, 3ph, 50hz power connection. Motor should be 4Pole. Motor efficiency shall be of IE3,minimum efficiency of pump shall be 70%. Hydrostatic pressiure testing of the complete pumping package skid to be done at 150% of Maximum working pressure. Complete Pumpsets, Suc. Valve ,Suc. Diffuser, Delivery Valve, Deliv. Check valve, Common Manifolds & Base frame shall be in complete skid mounted system which shall be factory fitted.

1920 USGPM flow at 12 Mt -5Nos.(4W+1S)- 22KW. Complete as above

The above System includes 5 nos of Pumps along with Skid,Suction & Discharge headers and Valves completely Factory Assembled as a Unit as per specification

Note:- 2 Years comprehensive warranty of Pump after expiry of 2 years of defect liability period ( warranty certificate required from OEM/as at Annexure 3 (Appendix VII) of General Specification) after commissioning of the system

Secondary Skid mounted Chilled water pumps with Variable speed Pumping system with Motor Mounted IP55 VFD

SITC of factory designed, built, tested and assembled Skid Mounted ,Vertical Inline Closed/Split Coupled Single Stage, Single Suction Centrifugal Pumps with integrated IP 55 VFD ( Danfoss FC 102 or equivalent from approved makes) mounted on pump motor, suitable for variable flow chilled water recirculation system.Suction and Discharge connections shall be of same size .The pump shall be of top pull up design i.e. the power head(motor,pump head, and impeller) can be removed for maintenance or service while the pump housing shall remains in the pipe work. The mechanical seal should be easily replaceable without damaging pump & motor shaft and also without removal of the suction & discharge pipeline. Impellers shall be made of bronze enclosed type with smooth surface for minimum friction loss, Impeller shall be keyed to the shaft and secured by impeller lock nut.Pump Shaft shall be made of Stainless Steel. Coupling shall be closed/split coupled type, The pump housing shall be with a replaceable bronze neck ring to reduce the amount of liquid running from the discharge side of the impeller to the suction side. All the pumps shall be mounted on a common skid and shall consist of the following :- 1)Suction and discharge headers 2)Suction guide across each pump 3) Set of butterfly valve, balancing valve & check valve across discharge of each pump 4) Butterfly valve across suction of each pump 5) Pressure Guage 6)Temperature gauge 7)Suction and discharge header pipe support. Pipe work,asessories, pumps shall be suitable for PN-16 rating mounted in a single skid from factory fitted.The liquid cavity shall be sealed off at the pump shaft by an internally flushed mechanical seals to ensure maximum seal face lubrication, heat dissipation and debris removal without vulnerable external flush tubing , and with carbon seal seat vs silicon carbide seal ring .

The pump coupling shall be of closed/split-coupled type with stub shaft. All external and exposed cast iron part of pump have an epoxy-based coating made in cathodic electro-deposition (CED) process. The motor shall be of TEFC Sq.Cage flange mounted, totally enclosed fan-cooled motors with IP 55 enclosure class 'F' insulation, suitable for 415+10% V, 3ph, 50hz power connection. Motor should be 4Pole. Motor efficiency shall be of IE3,minimum efficiency of pump shall be 70%. Hydrostatic pressiure testing of the complete pumping package skid to be done at 150% of Maximum working pressure. Complete Pumpsets, Suc. Valve ,Suc. Diffuser, Delivery Valve, Deliv. Check valve, Common Manifolds & Base frame shall be in complete skid mounted system which shall be factory fitted.

DESCRIPTION OF VARIABLE SPEED SECONDARY PUMPING SYSTEM:

Dedicated micro processor based pump logic controller UL listed (with DPT sensor/transmitter) for each pump suitably interfaced with other system components, hand / auto macro designed for pumping application,1 no. dedicated microprocessor based pump logic controller per zone, parallel pumping software duly downloaded, single/multiple differential pressure sensor /transmitters as per the site requirement, interfacing amongst all components and compatibility of I/O signals etc complete with other accessories as required.Multi Pump Controller shall be listed by and bear the label of Underwriter’s Laboratory Inc (UL). Pump logic controller inbuilt with Variable frequency drives are not accepted. Logic controller should be external to the drives used in the system. Multi Pump Controller shall have programs to safeguard the system against the following conditions Pump flow surges, System Hunting, End of curve protection. Multi Pump Controller shall have program function to accept the pump curve data for optimizing the system performance in terms of energy consumption. Multi Pump Controller shall be capable of controlling up to six pumps in parallel, and have a display screen size of minimum 320 pixels x 240 pixesl VGA display with backlight.The entire system along with secondary pumps to be sourced from single manufacturer only, to ensure unit responsibility.

Necessary factory test certificates for entire system shall be submitted along with the equipment. System shall be BMS compatible with open protocol communication port, so that complete data can be transported to remote IBMS console. Vendor to include cost of panel/enclosure to house the VFDs (if supplied seperatly) and logic controller with necessary set of ON/OFF indicating lights, input MCCBs and adequate arrangement of ventilation including all related control/communication wiring between logic controller,VFDs and differential pressure sensors.And the system will run on differential pressure transmitter hence 2 nos of DPT's shall be required with the system.Temperature transmitters for Variable secondary pumps with suitable thermowells.

1920 USGPM flow at 25 Mt -5Nos.(4W+1S)- 45KW complete as above.

The above System includes 5 nos of Pumps with integrated/mounted VFD on Motors,variable speed pumping system as described above with microprocessor based Controller Panel with Display complete along with Skid,Suction & Discharge headers and Valves completely Factory Assembled as a Unit

Note:- 2 Years comprehensive warranty of Pump after expiry of 2 years of defect liability period ( warranty certificate required from OEM/as at Annexure 3 (Appendix VII) of General Specification) after commissioning of the system

SKID MOUNTED VERTICAL INLINE VARIABLE TERTIARY WATER PUMP AND VARIABLE SPEED PUMPING SYSTEM :

Supply, installation, testing and commissioning of vertical Inline Closed Coupled,Single stage, Single suction, Inline Centrifugal casing, top-pull-out design. Complete with Integrated VFD ( Danfoss FC 102 or equivalent from approved makes) on motor, base frame, vibration isolators, drain valves and other accessories. The pump is closed/split -coupled to a fan-cooled asynchronous motor.Tertiary chilled water pumps set complete with, Cast iron casing, Lead free bronze impeller, an internally-flushed mechanical seals and close coupled with stainless steel stub shaft arrangement with electric motor for re-circulation of chilled water circulation.The motor efficiency rating shall be Minimum IE3 class.The motor shall be of class F insulation and IP55 enclosure with a max. surface temperature of not more than 150 deg C.The motor shall be non- overloading type.The electric motor shall be IE3/IE5, TEFC type with built-in/integrated frequency converter & built-in PID controller enabling variable-speed operation upto 11 Kw motor and Induction motor with integrted/mounted frequency converter for above 11 Kw motor. This enables continuously variable control of the motor speed, which again enables adaptation of the performance to a given requirement. Pumps shall have mechanical seal and Bronze Impeller.The mechanical seal should be easily replaceable without damaging the pump shaft and motor shaft and also without removal of the suction & discharge pipeline. The pump motor shall be suitable for 415 Volts ± 10%, 50 cycles, 3 phase power supply.

The quoted price shall include cost of thermal insulation and cladding for chilled water pumps as well as M.S base frame for mounting both pump and motor along with VI pads. All external and exposed cast iron parts of pumps should have an epoxy-based coating made in a cathodic electro-deposition (CED) process. The chilled water pumps shall be suitable for operation on variable frequency drives & conforming to the specifications of variable speed pumping system. The capacity of motor shall be at least 15% in excess of BHP requirement of pump. Complete pumpsets, Suc. Valve ,Suc. Diffuser, Delivery Valve, Deliv. Check valve, Common Manifolds & Base frame shall be in complete skid mounted system which shall be factory fitted as per specification.Motor efficiency shall be of IE3/IE5, minimum efficiency of pump shall be 70%. Hydrostatic pressure testing of the complete pumping package skid to be done at 150% of Maximum working pressure.

The above also includes supply, installation, testing and commissioning of Variable Speed Pumping system for variable speed tertiary chilled water pumps as per above with matching VFDs , one dedicated microprocessor based pump controller for each pump set/per zone with parallel pumping software duly installed. Multi Pump Controller shall be listed by and bear the label of Underwriter’s Laboratory Inc (UL). Pump logic controller inbuilt with Variable frequency drives are not accepted. Logic controller should be external to the drives used in the system. Multi Pump Controller shall have programs to safeguard the system against the following conditions Pump flow surges, System Hunting, End of curve protection. Multi Pump Controller shall have program function to accept the pump curve data for optimizing the system performance in terms of energy consumption. Multi Pump Controller shall be capable of controlling up to three pumps in parallel, and have a display screen size of minimum 320 pixels x 240 pixesl VGA display with backlight.The entire system along with chilled water pumps as described must be sourced from pump supplier only, to ensure unit responsibility.And the system will be run on differential pressure transmitter hence 2 nos of DPT's shall be required with each system.

Necessary factory test certificates for entire system shall be submitted along with the equipment. System shall be BMS compatible with open protocol communication port, so that complete data can be transported to remote IBMS console. Vendor to include cost of panel/enclosure to house the VFDs (if supplied separately) and logic controller with necessary set of ON/OFF indicating lights, input MCCBs and adequate arrangement of ventilation including all related control/communication wiring between logic controller,VFDs and differential pressure sensors as per specification.

720 USGPM flow at 20 Mt head (2W+1S) -15 KW with IP55 Controller Panel, for-Building 1 ( Aerospace Enineering Building,)

960 USGPM flow at 25 Mt head (2W+1S) -22 KW with IP55 Controller Panel-for Buildings 2,3 & 4 (S& T Building, Engg. Core Lab & Research Labs building)

300 USGPM flow at 20 Mt head (2W+1S) - 7.5 KW with IP55_Controller Panel-Building 5 ( Earth Science Bldg.)

300 USGPM flow at 20 Mt head (2W+1S) - 7.5 KW withController Panel-Building 6 (CEM Building)

The above System includes 3 nos of Pumps for each set with integrated/mounted VFD on Motors,variable speed pumping system as described above with microprocessor based Controller Panel with Display complete along with Skid,Suction & Discharge headers and Valves completely Factory Assembled as a Unit

Note:- 2 Years comprehensive warranty of Pump after expiry of 2 years of defect liability period ( warranty certificate required from OEM/as at Annexure 3 (Appendix VII) of General Specification) after commissioning of the system

SKID MOUNTED CONDENSER WATER PUMPS:

SITC of factory designed, built, tested and assembled Skid Mounted ,Vertical Closed/split Coupled Single Stage, Single Suction type Inline Centrifugal Pumps suitable for variable flow chilled water recirculation system.Suction and Discharge connections shall be of same size . The pump shall be of the top-pull-out design, i.e, the power head (motor, pump head, and impeller) can be removed for maintanence or service while the pump housing remains in the pipe work. Impellers shall be made of bronze enclosed type with smooth surface for minimum friction loss, Impeller shall be keyed to the shaft and secured by impeller lock nut.Pump Shaft shall be made of Stainless Steel. The pump housing shall be with a replaceable bronze neck ring to reduce the amount of liquid running from the discharge side of the impeller to the suction side.All the pumps shall be mounted on a common skid and shall consist of the following :- 1)Suction and discharge headers 2) Suction guide across each pump 3)Set of butterfly valve, balancing valve & check valve across discharge of each pump 4) Butterfly valve across suction of each pump 5) Pressure Guage 6) temperature gauge 7) Suction and discharge header pipe support. Pipe work,accessories, pumps shall be suitable for PN-16 rating mouted in a single skid from factory fitted.The liquid cavity shall be sealed off at the pump shaft by an internally-flushed mechanical seals to ensure maximum seal face lubrication, heat dissipation and debris removal without vulnerable external flush tubing, and with carbon seal seat vs silicon carbide seal ring. The pump coupling shall be of close-coupled type with stub shaft.

All external and exposed cast iron part of pump have an epoxy-based coating made in cathodic electro-deposition (CED) process. The motor shall be of IE3/IE5, TEFC, Sq.Cage flange mounted, totally enclosed fan-cooled motors with IP 55 enclosure class 'F' insulation, suitable for 415V, 3ph, 50hz power connection.RPM not exceeding 1500 RPM. Motor efficiency shall be of IE3,minimum efficiency of pump shall be 70%. Hydrostatic pressure testing of the complete pumping package skid to be done at 150% of Maximum working pressure. Complete Pumpsets, Suc. Valve ,Suc. Diffuser, Delivery Valve, Deliv. Check valve, Common Manifolds & Base frame shall be in complete skid mounted system which shall be factory fitted.

2400 USGPM flow at 22 Mt head (4W+1S)- 45 KW Motor

The above System includes 5 nos of Pumps with Motors, along with Skid,Suction & Discharge headers and Valves completely Factory Assembled as a Unit as per specification.

Note:- 2 Years comprehensive warranty of Pump after expiry of 2 years of defect liability period ( warranty certificate required from OEM/as at Annexure 3 (Appendix VII) of General Specification) after commissioning of the system

Induced Draft Type Twin Cell Cooling Tower

Supply, Installation, Testing and Commissioning of Twin cell, FRP type cooling tower shall be suitable for 900 TR (450TR each cell), with induced draft counter flow cooling tower of rectangular / square shape with fan, TEFC, IE-03/ IE5 motor with protection class of IP65,with direct drive set mechanism with FRP axial fan assembly with SS304 hub, PVC fills, drain, over flow, quick fills, float valve, equalizer line connection, .001% drift rate drift eliminators (Eurovent certified), hot water distribution system, FRP basin minimum 6 mm thickness, etc as per the specifications. The cooling tower fan shall be suitable for operation on 415±10% Volts, 50 Hz, 3 Phase AC power supply. The FRP panels shall be factory fabricated. All the MS GI supporting structure ,base frames I beam/C Channel, angles and channels etc. of cooling tower shall be FRP coated . Each cell Heat rejection capacity should be minimum 67, 50,000 BTUs/hr. Cooling towers shall be CTI standard 201 certified. The FRP panels and casing shall be minimum 5 mm thick using unsaturated polyster resin with UV protected gel coat. The tower fills shall be UV protected high efficiency low clog uPVC virgin PVC type. The microcellular polyurethrane based vibration isolators is also included in the scope of cooling towers. The rate includes all the pre FRP coated MS GI supporting structure ,base frames I beam/C Channel, angles and channels for successful commissioning of the cooling tower as per specification.

a. Max. wet bulb temperature : 83 F (28.3C)

b. Temperature of water

entering cooling tower : 100 F (37.7 C)

c. Temperature of water

leaving cooling tower : 90 F (32.2 C)

d. Water flow rate per tower : 2400 USGPM

e. Minimum efficiency of motors : 90%

Twin cell cooling towers as described above.

Note:-2 Years of comprehensive warranty of the cooling tower after expiry of 2 years of defect liability period ( warranty certificate required from OEM/as at Annexure 5 (Appendix VII) of General Specification) after commissioning of the system.

CHILLED WATER PIPELINE & VALVES

MS Pipes:

Supplying, fixing, testing and commissioning of chilled water pipes of following sizes of MS 'C' class along with necessary, support, clamps, vibration isolators and fittings such as bends,tees etc.but excluding valves, strainers, gauges etc. adequately supported on rigid supports duly painted/buried in ground excavation and refilling etc. as per specification and as required complete in all respect. Note:-The Pipes size 150mm & below shall be M.S. 'C' class as per IS : 1239 and pipes size above 150mm shall be welded black steel pipe heavy class as per IS: 3589, from minimum 6.35mm thick M.S. Sheet for pipes upto 250 mm dia. And from minimum 8mm thick MS sheet for pipes of 300 mm dia and above.

600 mm dia (8 mm thick)

350mm dia ( 8mm thick)

300mm dia ( 8mm thick)

250mm dia ( 6.35mm thick)

200mm dia (6.35mm thick)

150mm dia MS "C" Class

125 mm dia MS "C" Class

100mm dia MS "C" Class

80mm dia MS "C" Class

65mm dia MS "C" Class

50mm dia MS "C" Class

PRE-INSULATED MS PIPE- AL cladded

Supplying, laying/ fixing, testing and commissioning of following nominal sizes ofchilled water piping plumbing inside the building (with necessary support, clamps, vibration isolators and fittings but excluding valves, strainers, gauges etc.) duly insulated with fire retardant quality expanded polystrene moulded pipe section of density 20 kg/cu.m after a thick coat of cold setting adhesive (CPRX compound) wrapping with 500g polythene faced hessain and finally applying 0.63mm aluminium sheet cladding complete with type3 , grade 1 roofing feltstrip(as per IS:1322 as amended up to date) at joints repairing of damage to building etc. as per specifications and as required complete in all respect

350mm dia ( 8mm thick) (75 mm thick insulation)

300mm dia ( 8mm thick) (75 mm thick insulation)

250mm dia ( 6.35mm thick) (75 mm thick insulation)

200mm dia (6.35mm thick) (75 mm thick insulation)

150mm dia MS "C" Class (75 mm thick insulation)

100mm dia MS "C" Class (50 mm thick insulation)

80mm dia MS "C" Class (50 mm thick insulation)

65mm dia MS "C" Class (50 mm thick insulation)

50mm dia MS "C" Class (50 mm thick insulation)

INSULATION ON CHILLED WATER LINE

Supplying & fixing, insulation on existing MS ' C ' class pipe on exposed surface / underground of following sizes with 75/50 mm thick thermocole ( polystrene) pipe section alongwith hessian cloth, wiremesh, bitumen, & cement - sand plaster, painting two or more coat to give even shade after applying one coat of ordinary paint etc complete as required.

600mm dia (75mm Thick)

300mm dia (75mm Thick)

250mm dia (75mm Thick)

200mm dia(75mm Thick)

150 mm dia(50mm Thick)

100 mm dia(50mm Thick)

80 mm dia(50mm Thick)

65 mm dia(50mm Thick)

50 mm dia(50mm Thick)

Butterfly Valves:

Supplying and fixing of PN-16 butterfly valves cast iron body and SS disc of size 200 mm to 400 mm gear type with removable wheel and below 200 mm with hand lever operated including nut, bolt, flanges, gasket and insulation with thermocole/PUF/ Nitrile rubber as kind of existing pipe, painting with enamel / weather paint single / double coat asper standard specification as complete as reqd.

150 mm dia

125 mm dia

100 mm dia

80 mm dia

65 mm dia

50 mm dia

Motorised Butterfly Valve

Providing & fixing in position the following Motorised Butterfly Valves made of cast iron body and SS disc of size with necessary actuator & control wiring. Butterfly valves can be operated manually with wheel operated and shall conform to PN-16 rating as per the specifications. Quoted price shall be inclusive of insulation as per the specifications.The valve shall be BMS compatible.

300mm dia

250mm dia

200mm dia

150 mm dia

100 mm dia

Ball Valve

Providing and fixing in position the following SS Ball Valves of PN16 rating as per the specifications. Quoted price shall be inclusive of accessories and insulation as per the specifications.

50mm dia

40mm dia

32mm dia

25mm dia

20/15mm dia

Manual Balancing Valve

Providing and fixing in position the following specified make balancing valves. Balancing valves shall conform to PN-16 rating as per the specifications. Quoted price shall be inclusive of insulation as per the specifications.

300mm dia

250mm dia

200mm dia

Purge Valve

Providing and fixing in position the following automatic purge valves. Purge valves shall conform to PN-16 rating.

Pressure Gauge

Providing and fixing in position industrial type pressure gauges constructed out of SS 304 material. SS siphon shall be factory insulated with closed cell elastomeric insulation in tubing form.Pressure gauges shall be factory fitted with a ball valve at the tube.

Therometer

Supply and fixing in position V-form industrial type thermometers as per the specifications.

GI Pipe

Providing and fixing in position the following GI medium class pipes for condensate drain cut to required lengths & installed with all screwed joints and providing and fixing position the necessary elbows, tees & reducers.

40mm dia

32mm dia

25mm dia

Hydronic water balancing

Carrying out on site hydronic water balancing for chilled water as well as condenser water circuits for complete system through suitable software and calibrated testing equipments.

CONDENSER WATER PIPELINE & VALVES

MS Pipes:

Supplying, fixing, testing and commissioning of condenser water pipes of following sizes of MS 'C' class along with necessary support, clamps, vibration isolators and fittings such as bends,tees etc.but excluding valves, strainers, gauges etc. adequately supported on rigid supports duly painted/buried in ground excavation and refilling etc. as per specification and as required complete in all respect.

600 mm dia (8 mm thick)

350mm dia ( 8mm thick)

300mm dia ( 8mm thick)

250mm dia ( 6.35mm thick)

200mm dia (6.35mm thick)

150mm dia MS "C" Class

1250mm dia MS "C" Class

100mm dia MS "C" Class

80mm dia MS "C" Class

65mm dia MS "C" Class

50mm dia MS "C" Class

Butterfly Valves:

Supplying and fixing of PN-16 butterfly valves cast iron body and SS disc of size 200 mm to 400 mm gear type with removable hand lever and below 200 mm with hand lever operated including nut, bolt, flanges, gasket and painting with enamel / weather paint single / double coat as per standard specification as complete as reqd.

300mm dia

250mm dia

200mm dia

150 mm dia

100 mm dia

80 mm dia

65 mm dia

50 mm dia

Motorised Butterfly Valve

Providing & fixing in position the following Motorised Butterfly Valves with necessary actuator & control wiring. Butterfly valves can be operated manually with wheel operated and shall conform to PN-16 rating as per the specifications. The valve shall be BMS compatible.

350mm dia

300mm dia

Ball Valve

Providng and fixing in position the following size SS Ball Valves as per the specifications. .

50mm dia

40mm dia

32mm dia

25mm dia

Manul Balancing Valve

Providing and fixing in position the following specified make balancing valves. Balancing valves shall conform to PN-16 rating as per the specifications.

300mm dia

250mm dia

200mm dia

POT strainer

Providing and fixing in position the following size 'pot' strainers made of cast iron and ss screen complete.

350mm dia

300mm dia

Y strainer

Providing and fixing in position the following 'Y' strainers complete.

350mm dia

300mm dia

Purge Valve

Providing and fixing in position the following automatic purge valves. Purge valves shall conform to PN-16 rating.

Pressure Gauge

Providing and fixing in position industrial type pressure gauges constructed out of SS 304 material. SS siphon shall be factory insulated with closed cell elastomeric insulation in tubing form.Pressure gauges shall be factory fitted with a ball valve at the tube.

Therometer

Supply and fixing in position V-form industrial type thermometers as per the specifications.

GI Pipe

Providing and fixing in position the following GI medium class pipes for condensate drain cut to required lengths & installed with all screwed joints and providing and fixing position the necessary elbows, tees & reducers.

40mm dia

32mm dia

25mm dia

Expansion Belows

Supply & Installation of neoprene rubber expansion belows with integral reinforced rubber flanges, guide rods on both sides at inlet and outlet of water chilling machines, chilled /hot water pumps, of approved make.

350mm dia

250 mm dia

WATER FILTERATION AND SOFTENING PLANT WITH MAKE UP TANK

Supply, installation, testing and commissioning of Water Softener Plant The water softening plant shall consist of multi-grade sand & gravel filter and high exchange capacity resin based water softening plant with a by-pass arrangement and complete piping (GI/CPVC) work for interconnection of plants and connection with pumps, Pressure gauge at inlet and outlet of all all pressure vessels, Valves etc complete in all respect. Details as below ( 2 years Comprehensive warranty after expiry of 2 years of DLP is included in the scope of works )

SOFTENING PLANT :-

1. Min. flow rate : 60 m3/hr with minimum regeneration capacity of 15 lakh ltr. per salt charging. 2. Source of Water Supply : From sand filter 3. Outlet Water Hardness After Treatment : Less than Five (5) ppm 4. Water Inlet Pressure : 1 Kg/cm2 (Approx.) 5. Max. pressure drop across unit : 0.5 kg/cm2 6. Shape : Cylindrical & Vertical , suitable for Out-door Installation 7. Duration of Operation : Continuous Operation, 21 x 7 Hours / Week 8. Resin Regeneration : Through Brine Solution 9. Material of Construction : Mild Steel, IS: 2026 a) Cylinder Wall Thickness : 8 mm (min.) b) Bed Plate : 10 mm (min.) c) Supports : Mild Steel Structural Legs with Base Plate 10. Painting : a) External : Two(2) coats Resin Based Epoxy Paint of Approved Shade 11. Filling Media : a) Resin - 220 Na b) Gravel 12. Brine Dosing System : a) Brine Solution Tank : PVC Tank of suitable capacity or as recommended by manufacturer including pump if required. 13. Accessories : a) Brine Solution Tank shall be of PVC material of construction Qty. : 1 no.

MULTI GRADE SAND & GRAVEL FILTER

1. Max. flow rate :60 m3/hr 2. Water Inlet Pressure : 1 Kg/cm2 (Approx.) 3. Max. pressure drop across unit : 0.5 kg/cm2 4. Shape : Cylindrical & Vertical , suitable for Out-door Installation 5. Duration of Operation : Continuous Operation, 24 x 7 Hours / Week 6. Filling Media : Treated Sand & Graded Gravel 7. Material of Construction : Mild Steel, IS: 2026 a) Cylinder Wall Thickness : 8 mm (min.) b) Bed Plate :10 mm (min.) c) Supports : Mild Steel Structural Legs with Base Plate 8. Painting : a) External : Two(2) coats Resin Based Epoxy Paint of Approved Shade Qty. : 1 no.

MGF FEED PUMP

Supply installation testing and commissioning of monoblock water pumps with SS shaft and inpeller, Class ‘F’ insulation, Replaceable wearing parts, Models with IP55 protection including all inlet pipe, outlet pipe connection, float valves, SS butterfly/ Ball valve etc complete in all respect.

Chilled Water flow rate : Min. 60 m3/hr

Head : Min. 35 m

Qty. : 2 nos.

Water Softening plant System as described above. ( 1set = 1no. Softener+1 no. sand filter+ 2nos. Feed pumpset)

PVC TANK

Supplying and fixing of 10000 ltrs. ( 2x5000 ltrs.) water storage PVC tank (Triple layer) i/c connecting inlet & outlet, float valve i/c placing at terrace, making holes, overflow pipe and nipples, PVC-GI fitting, providing supports for fixing/clamping the tank including complete with high & low indicator/sensor for filling pump start and stop arrangement, piping connections float valves,drain valves,over flow connection. make syntax or equivalent.

G.I PIPE

Supplying, laying/ fixing, testing and commissioning of G.I 'B' class pipe of following sizes for drain water piping on surface / underground (including fabrication of bends, tees, reducers) with support and fittings as per standard specification complete as required.

SS BALL VAVE

Supply and fixing of ss ball valve of following size with socket and nipple of approved make or equivalent complete as required.

Nitrile insulation for PVC Tank/ pipe/duct etc.

Providing & fixing of thermal insulation with UV-protection layerand without Aluminium faced nitral rubber / closed cell expended polyethylene insulation of following thickness. The insulation shall be as per specification.

BUTTERFLY VALVE

Supplying and fixing of PN-16 butterfly valves cast iron body and SS disc of size 200 mm to 400 mm gear type with removable hand lever and below 200 mm with hand lever operated including nut, bolt, flanges, gasket and insulation with thermocole/PUF/ Nitrile rubber as kind of existing pipe, painting with enamel / weather paint single / double coat as per standard specification as complete as reqd.

100mm dia

80mm dia

65mm dia

50mm dia

ELECTRICAL WORKS

ELECTRICAL PANELS

For all Panel, the rate includes necessary connected minor civil/foundation works,if required and necessary supports as required at site. No extra payment will be made for the same. As mentioned in SLD, smart energy meter(3 phase) multifunction type ( BMS/AMI Compatible for energy auditing ) shall be provided in all panels incomer and Main Switch Board outgoings with necessary CTs, PTs, control switches like MPCB, MCB, ELCB, RCBOs and all other necessary accessories as per the specification and drawing. All the meters should have RS 485 modbus output for BMS integration and also All ACB & MCCB should have dedicated potential free contacts (ON/OFF) & TRIP status to monitor mentioned status from BMS system.

PANEL-A main panel for Chiller's

INCOMING :

a. 1250 Amps, EDO 50KA ACB with microprocessor base & with trip alarm contact --- 1No

b. smart energy meter(3 phase) multifunction type ( BMS/AMI Compatible for energy auditing ) of class 1.0 to read KWH, frequency , power factor, reactive power and RS 485 port. Microswitch for trip indication, digital ammeter, digital voltmeter, A set of CT's, RYB LED type phase indication, trip, ON-OFF indication lights,phase reversal protection system and nutral link -- 01 set.

BUSBARS :

1600A Bus Bars shall be air insulated and made of high conductivity, high strength aluminum alloy of grade E91E of IS5082PVC, heat shrunk insulated, supported on DMC/SMC having fault level of 50 KA for 1 second.

OUTGOING :

a. 1250 Amps, EDO 50KA ACB with microprocessor base & with trip alarm contact --- 1No

b. Multifunction meter of class 1.0 to read KWH, frequency , power factor, reactive power and RS 485 port. Microswitch for trip indication, digital ammeter, digital voltmeter, A set of CT's, RYB LED type phase indication, trip, ON-OFF indication lights and neutral link -- 01 set.

Electrical panel as described above.

PANEL-B, SUB-MAIN PANEL FOR PRIMARY CHILLER PUMP.

INCOMING :

a. 500 Amps FP MCCB, 36KA with microprocessor base and shunt release, spreder terminal, extended rotory handle, AUX. contact & trip alarm complete as required --- 1No

b. smart energy meter(3 phase) multifunction type ( BMS/AMI Compatible for energy auditing ) of class 1.0 to read KWH, frequency , power factor, reactive power and RS 485 port. Microswitch for trip indication, digital ammeter, digital voltmeter, A set of CT's, RYB LED type phase indication, trip, ON-OFF indication lights and neutral link -- 01 set.

BUSBARS :

Bus Bars shall be air insulated and made of high conductivity, high strength aluminum alloy of grade E91E of IS5082PVC, heat shrunk insulated, supported on DMC/SMC having fault level of 50 KA for 1 second

OUTGOING :

b. Digital ammeter, digital voltmeter, A set of CT's, RYB LED type phase indication, trip, ON-OFF indication lights and neutral link -- 01 set.

Electrical panel as described above.

PANEL-C, SUB-MAIN PANEL FOR CONDENSER PUMP

INCOMING :

a. 630 Amps FP MCCB, 36KA with microprocessor base and shunt release, spreder terminal, extended rotory handle, AUX. contact & trip alarm complete as required --- 1No

b. smart energy meter(3 phase) multifunction type ( BMS/AMI Compatible for energy auditing ) of class 1.0 to read KWH, frequency , power factor, reactive power and RS 485 port. Microswitch for trip indication, digital ammeter, digital voltmeter, A set of CT's, RYB LED type phase indication, trip, ON-OFF indication lights and neutral link -- 01 set.

BUSBARS :

Busbars shall be air insulated and made of high conductivity, high strength aluminum alloy of grade E91E of IS5082PVC, heat shrunk insulated, supported on DMC/SMC having fault level of 50 KA for 1 second

OUTGOING :

Electrical panel as described above.

PANEL-D, SUB-MAIN PANEL FOR COOLING TOWERS

INCOMING :

a. 400 Amps FP MCCB, 36KA with microprocessor base and shunt release, spreder terminal, extended rotory handle, AUX. contact & trip alarm complete as required --- 1No

b. smart energy meter(3 phase) multifunction type ( BMS/AMI Compatible for energy auditing ) of class 1.0 to read KWH, frequency , power factor, reactive power and RS 485 port. Microswitch for trip indication, digital ammeter, digital voltmeter, A set of CT's, RYB LED type phase indication, trip, ON-OFF indication lights and neutral link -- 01 set.

BUSBARS :

Busbars shall be air insulated and made of high conductivity, high strength aluminum alloy of grade E91E of IS5082PVC, heat shrunk insulated, supported on DMC/SMC having fault level of 50 KA for 1 second

OUTGOING :

b. 63A MCB-2 SET (Spare)

Electrical panel as described above.

PANEL-E, SUB-MAIN PANEL FOR DG PANEL

INCOMING :

a. 630 Amps FP MCCB, 36KA with microprocessor base and shunt release, spreder terminal, extended rotory handle, AUX. contact & trip alarm complete as required --- 1No

b. smart energy meter(3 phase) multifunction type ( BMS/AMI Compatible for energy auditing ) of class 1.0 to read KWH, frequency , power factor, reactive power and RS 485 port. Microswitch for trip indication, digital ammeter, digital voltmeter, A set of CT's, RYB LED type phase indication, trip, ON-OFF indication lights and neutral link -- 01 set.

BUSBARS :

Busbars shall be air insulated and made of high conductivity, high strength aluminum alloy of grade E91E of IS5082PVC, heat shrunk insulated, supported on DMC/SMC having fault level of 50 KA for 1 second

OUTGOING :

a. 80A TP 25KA MCCB thermal base and spreder terminal, extended rotory handle, AUX. contact & trip alarm. Digital ammeter, digital voltmeter, A set of CT's, RYB LED type phase indication, trip, ON-OFF indication lights and neutral link complete as required-2 Nos.

d. 63A FP MCB-2 Nos.

a. 32A FP MCB-2 Nos.

Electrical panel as described above.

i) All ACB feeders shall be draw out type, MCCB feeders shall be fixed type ii) The microprocessor type circuit breaker shall be provide for 250A and above the range iii) Below the range of 250A should be thermal magnetic release circuit breaker. iv) All breakers should have minimum kA rating as mentioned in BOQ. On non availability of specified braker, immediate higher rating breaker must be provided. v) All live parts should be shrouded by FRP transparent polycarbonate sheet of 2mm thick vi) All panels incoming breaker and outgoing breakers of MPCC panel should have over current, Time adjustable short circuit and earth fault releases. vii) All LT panels outgoing breaker except Main Switch Board breaker should have over current and Time adjustable short circuit. viii) All panels incoming feeder and outgoing feeders of Main Switch Boardshould have Multi function meter. ix) Surge Arrester to be provided in all panels incoming feeder (Current density of aluminium busbar - 0.8A /Sq. mm.)

POWER CABLES

The rate includes necessary connected minor civil works if required and necessary supports as required at site. No extra payment will be made for the same.

Supply, laying , testing and commissioning of the following size XLPE / PVC, (FRLS) insulated outer sheathed (1100 V grade) aluminium / copper conductor armoured/Unarmoured cable laid in cable tray / clamping in wall/ laid in the cable trench with suitable dressing tags and clamps. Cable tray will be measured and paid separately.

Aluminium : Outersheath - XLPE FRLS; Innersheath - PVC

Copper : Outersheath - PVC FRLS; Innersheath - PVC

3 C 240 Sq.mm XLPE copper armoured Cable ( Main Panel to Chillers)

3 C 35 Sq.mm XLPE copper armoured Cable ( Panel to CDWP)

3C 25 Sq.mm XLPE copper armoured Cable (Panel to CHWP)

3 C 10 Sq.mm XLPE copper armoured Cable (Panel to CT)

4 Core 10 Sq.mm PVC Copper armoured Cable

4 Core 6 Sq.mm PVC Copper armoured Cable

3 Core 6 Sq.mm PVC Copper armoured Cable

4 Core 4 Sq.mm PVC Copper armoured Cable

3 Core 4 Sq.mm PVC Copper armoured Cable

4 Core 2.5 Sq.mm PVC Copper armoured Cable

3 Core 2.5 Sq.mm PVC Copper armoured Cable

1 Core 25Sq.mm PVC Copper Unarmoured Cable

1 Core 16 Sq.mm PVC Copper Unarmoured Cable

1 Core 10 Sq.mm PVC Copper Unarmoured Cable

1 Core 6 Sq.mm PVC Copper Unarmoured Cable

1 Core 4 Sq.mm PVC Copper Unarmoured Cable

CABLE TERMINATION

Supply and termination of the following size cables with suitable double compression glands with suitable size PVC boot and suitable crimping socket, gland earthing by using copper flexible and all other necessary accessories . (Aluminium sockets for aluminium cables andd copper sockets for copper cables)

3 C 240 Sq.mm XLPE copper armoured Cable ( Main Panel to Chillers)

3 C 35 Sq.mm XLPE copper armoured Cable ( Panel to CDWP)

3C 25 Sq.mm XLPE copper armoured Cable (Panel to CHWP)

3 C 10 Sq.mm XLPE copper armoured Cable (Panel to CT)

4 Core 10 Sq.mm PVC Copper armoured Cable

4 Core 6 Sq.mm PVC Copper armoured Cable

4 Core 4 Sq.mm PVC Copper armoured Cable

3 Core 4 Sq.mm PVC Copper armoured Cable

4 Core 2.5 Sq.mm PVC Copper armoured Cable

3 Core 2.5 Sq.mm PVC Copper armoured Cable

1 Core 25Sq.mm PVC Copper Unarmoured Cable

1 Core 16 Sq.mm PVC Copper Unarmoured Cable

1 Core 10 Sq.mm PVC Copper Unarmoured Cable

1 Core 6 Sq.mm PVC Copper Unarmoured Cable

1 Core 4 Sq.mm PVC Copper Unarmoured Cable

CABLE TRAYS:

Supply and installation following size of perforated with powder coated M.s cable trays with perforation not more than 17.5% in convenient sections, joined with connectors, suspended from the ceiling with M.S. suspenders including bolts & nuts, painting suspenders etc as required.

100mm x 50mmx1.6mm Thickness

200mm x 50mmx1.6mm Thickness

300mm x 62.5mmx2.00 mm thickness

450mm x 62.5mmx2.00 mm thickness

600mm x 75mmx2.00mm thickness

Supplying and installing following size of perforated with powder coating M.S. cable trays bends with perforation not more than 17.5%,, joined with connectors, suspended from the ceiling with M.S. suspenders including bolts & nuts, paintingsuspenders etc as required.

100mm x 50mmx1.6mm Thickness

200mm x 50mmx1.6mm Thickness

300mm x 62.5mmx2.00 mm thickness

450mm x 62.5mmx2.00 mm thickness

600mm x 75mmx2.00mm thickness

Supplying and installing following size of perforated with powder coating M.S. cable trays Tee with perforation not more than 17.5%, joined with connectors, suspended from the ceiling with M.S. suspenders including bolts & nuts, painting suspenders etc as required.

100mm x 50mmx1.6mm Thickness

225mm x 50mmx1.6mm Thickness

300mm x 62.5mmx2.00 mm thickness

450mm x 62.5mmx2.00 mm thickness

600mm x 75mmx2.00mm thickness

Earthing strip

Supplying and laying 25 mm X 5 mm G.I strip at 0.50 meter below ground/ on surface as strip earth electrode, including connection/ terminating with G.I. nut, bolt, spring, washer etc. as required. (Jointing shall be done by overlapping and with 2 sets of G.I. nut bolt & spring washer spaced at 50 mm)

CONTROL CABLING

Supplying and drawing following sizes of FRLS PVC insulated copper conductor, single/multi core cable in the existing surface/ recessed steel/ PVC conduit as required.

1C x 1.5 Sqmm cable

2C x 1.5 Sqmm cable

3C x 1.5 Sqmm cable

4C x 1.5 Sqmm cable

PVC CONDUIT

Supplying and fixing of following sizes of medium class PVC conduit along with accessories in surface/recess including cutting the wall and making good the same in case of recessed conduit as required.

MS ITEMS:

Structural steel work riveted, bolted or welded in built up sections, trusses and framed work, including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer all complete

Design, cutting, and fixing of chequered plate of required thickness with required MS angles. Supply and Installation of MS flat / angles / channels supports for various purpose if required with various sizes including cutting,welding,grinding,fixing accessories and one coat of primer & two coats of enamel paints, minor civil works like grouting existing floors and walls etc. as required.(Note: The plate/flat / angles/channels weights will be arrived on the basis of theoretical calculation only).

BMS WORK

Software and Operator Workstation

Supply, installation, testing and commissioning of core i7-4790k or Xeon E5-1650 v3 processor, Memory of 32 GB, Hard disk size (2x 800 GB Professional/Enterprise SSD with SATA or SAS), Giga speed Network card with 2 GB Graphic card of Resolution 2.560 x 1600 with Onboard Intel 4600 HD Windows latest version, 64 bit Edition or Windows Serverlatest version and original anti virus software.

40 Inch HD Color LED Monitor.

Laser jet Printer (A4 size, Colour)

Supply, installation, testing and commissioning of Layer 2/3 unmanaged switch with 16 or 24 ports (RJ-45) port. The switch shall have 2 RSTP enabled ports to communicate with other switches to built a ring topology network on CAT6 A cable. The switch shall have 1 GB port to communicate with other switches including Passive components inbuilt 2 SFP ports including SFP modules, rack mountable, SMPS power supply & other termination accessories (Like Pigtails/LIUs/ Convertors/Splicing equipment ,Patch panel, Patch Cord, Etc) complete as per specifications and as required for BMS DDC Panel Networking. The switch to switch distance shall not exceed beyond 80 meters.

16 Port Switch -2 no.

24 Port Switch -2 no.

BUILDING MANAGEMENT SYSTEM WEB-BASED SERVER SOFTWARE

Supply, Installation, Testing & Commissioning of software for Building Management System with Web based Energy Management Software (both with separate 10 years of user license) with features like 3D vector dynamic graphics with Autocad import of plan with Zoom In & Zoom Out facility, Graphic Builder, Plant Viewer, Trend Viewer, Object Viewer, Report Viewer, Alarm router, Log Viewer. The software shall have unlimited number of user license with minimum up 5 simultaneous users. The Web-Based Server software shall permit use of Standard Web-Browsers such as Microsoft Internet Explorer, Netscape Navigator, etc. The software shall be integrated with third-party systems ( i.e. chiller plant manager, pump logic controllers of secondary variable pumping, tertiary variable pump logic controller, DG set, SCADA system of the Institute & BMS of the 8 nos. new buildings) and should supports latest IP technology (IP V4/V6).Software should have licence of 30,000 points (hardwired 6000 points & software 24000 points both). The Management Stations shall match the BACnet Profile B-AWS (Advanced workstation) as per the BTL Listing. The Web based software shall include 1 Client License for remote viewing. The same includes the necessary dongles as required for each of the workstation.The software shall have energy mamangement feature for monitoring the energy data of all smart energy meters of this Central ac plant , tertiary pumping systems through their VFD's & connecetd 8 no. buildings. Sms/Email feature for accessing critical alarms on mobile phone & Mobile App and Web Service sessions. The sytem shall generate the MIS reports of above system on daily,weekly,fortnightly , monthly / yearly basis. The Vendor shall include cost of GSM Module in the quoted price. Number of I/O points shall be considered as per the IO summary considering 15% spares. All software shall be original license compatible with BMS software. The above package aslo includes SITC of Web based Energy Management Software for data management and analysis & should have predesigned reports, accessible from anywhere through internet & seamlessly integrated with building management system as per specification and BMS IO Summary .The BMS software user license shall be of minimum 10 years.

Supply, Installation, Testing & Commissioning of High-quality CAPACTIVE touch 7.0'' panels for technical on-site operation of plants as well as room operation. The Touch Panel shall have integrated web server and a BACnet/ IP web interface to connect a HTML5 browser to a device on the network. Generic operation and monitoring of plant functions (alarms, schedulers, calendars, set point changes, display of actual values, etc.)

PROGRAMMABLE & APPLICATION SPECIFIC CONTROLLER (DDC) - UL LISTED/BTL certified.

Supply, Installation, Testing & Commissioning of True IP Based Standalone 32 Bit Intelligent, BTL Listed & UL certified interoperable DDC as per the specification. Each DDC Controller shall have inbuilt IP port & shall directly connect to the Network switches. The DDC shall be Programmable and Application specific with Real Time clock.The Controller shall have minimum 18 onboard points and can be expandable upto max of 52 points. The DDC must support trending at Controller level. The controller commumnications speed shall be minimum 100 Mbps or as required for proper pairing with the Institute network. All trend data must be created and saved to the automation station to achieve gap-free trend documentation during communication failure. The Operating Voltage shall be AC 24 V, RAM of 128 MByte SDRAM (DDR3) and 512 MByte NAND Flash. The A/D Resolution (analog in) shall be 14 Bit & D/A Resolution (analog out) shall be 12 Bit. No Supervisory Controller/Router shall be acceptable for IP conversion.

The above shall be housed in IP 55 vandal proof, lockable & secure MS Cabinets to be supplied along with all necessary switchgear protections as required. Number of controllers shall have spare capacity of 15% for future expansion.

DDC for Chilled Plant Manager includes Chiller, Primary pumps, Secondary pumps, Condensor Pump , Cooling Tower, tertiary pumps of all the connected eight buildings .

Electrical System

DDC for DG system

DDC for HT/LT panels of Central AC plant

SYSTEM INTEGRATION UNITS for 3rd party integrations - UL listed Controllers & BTL label

Supply, Installation, Testing & Commissioning of True IP Based System Integration unit consisting of microprocessor based controller units BTL & UL Listed for third party integration. The same should support operations/ monitoring via portable operator terminal.The controller shall be Native BACnet type with communication via BACnet/LonTalk, Integration platforms and system controllers for third-party devices and systems via KNX, Modbus, M-Bus and other protocols into the automation level via BACnet. The same shall Support operation via local or network-compatible operator units. It should store trend logs and event buffer for a typical duration of up to 30 Days. All the Integrators shall be seperate. Note: No 3rd party make integrator shall be accepted.

Chillers Integration on Modbus or BacnetIP Protocol

VFD Integration of secondary pumps & 6 sets of tertiary pumps on Modbus Protocol

DG to be on Modbus RTU with RS 485 Communication Port

Energy Meters ( 22 nos.) of electrical panels to be on Modbus RTU with RS 485 Communication Port - 10 Points per Energy Meter

UPS System Integration on Modbus RTU with RS 485 Communication Port

FAS System Integration on Bacnet/IP Protocol & integration of 8 nos. buildings BMS on bacnet/IP protocol

Lighting to be on Modbus RTU with RS 485 Communication Port

Field instruments

Supplying, installing, testing and commissioning of the following sensors / transducers / transmitters.

Supply, Installation, Testing & Commissioning of Immersion temperature sensor 100 mm Pt1000 with Brass Thermowell.

Supply, Installation, Testing & Commissioning of Outside air temperature + humidity sensors for measuring outside air temperature. It should be provided with sun sheild and rain protection.

Supply, Installation, Testing & Commissioning of In line Type Electromagnetic Water Flow Meter - Dia Size 600 mm

Supply, Installation, Testing & Commissioning of Differential Pressure Switch Water

Supply, Installation, Testing & Commissioning of Differential Pressure sensor water

Supply, Installation, Testing & Commissioning of Water Flow Switch

Supply, Installation, Testing & Commissioning of PH Analyser

Supply, Installation, Testing & Commissioning of TDS Analyser

Supply, Installation, Testing & Commissioning of Flameproof Level Transmitter

Supply, Installation, Testing & Commissioning of Voltage Transducer

Cabling and Conduiting

Supplying, laying, termination, testing and commissioning of signal cables. (2 core x 1.5 Sq.mm), PVC insulated, Shielded tinned copper conductor cable.

Supplying, laying, termination, testing and commissioning of 3 Core 1.5 Sqmm, unarmoured ATC conductor multistranded, FRLS cable for Powering DDC , Actuators.

Supplying, laying, termination, testing & commissioning of CAT 6A unarmoured Cables with required accessories like RJ45 connector etc.

Supply, Installation, Testing & Commissioning of MS Conduit 25 mm for Signal & Communication Cable

Supply, Installation, Testing & Commissioning of GI Flexible

Supplying, installing, testing and commissioning of 2 mm thick GI perforated cable trays of the following sizes complete with angle iron supports/hanging arrangement etc

Note:-2 Years of comprehensive warranty of all the BMS components (hardware & software) after expiry of 2 years of defect liability period ( warranty certificate required from OEM/as at Annexure 6 (Appendix VII) of General Specification) after commissioning of the system.The BMS Software user license shall be for 10 years.

Operation & NCAMC (Non Comprehensive AMC) of the AC Plant

Annual operation of AC plant Round the clock (24x7) basis as per scope of the work (After commissioning of the Central AC Plant).

1st Year

2nd Year

3rd Year

4th Year

5th Year

6th Year

Non Comprehensive AMC (after completion of 2nd year of DLP)

Non Comprehensive annual maintenance contract of entire 3200 TR Central AC plant i.e. including all the euiqpments installed under the above project ( after completion of 2nd year of defect liability period.) as per scope of work & specification. (All equipments high side , low side equipments & BMS components).

1st Year

2nd Year

3rd Year

4th Year

Unique engineers pvt ltd

Blue Star Ltd

Airef Engineers Pvt Ltd

HILLTOP REFRIGERATION

SHINRYO SUVIDHA ENGINEERS INDIA PVT. LTD.

VOLTAS LIMITED

Sterling and Wilson Private Limited