Work of pumping, PHE piping and allied work at HCV in ARAI Kothrud, Pune.

SITC of Chilled water pump. Supply, installation, testing and commissioning of Non-self priming, horizontal/vertical centrifugal pump, directly coupled with IEC 3 phase motor, TEFC motor with protection IP 65 and complete with all components and accessories like pump body CI, bronze/SS impeller, bronze wear ring, SS shaft, ball bearings, mech shaft seals, coupling, coupling guard. Proper MS base frame to be provided for mounting pump. Base frame shall be painted with primer and oil enamel paint. Anti-vibration isolation pads shall be provided. Entire pump body to be enclosed by nitrile rubber thermal insulation of minimum 25 mm thickness and further covered with 26 Gauge aluminium cladding. Protection hood to be provided for pump motor. Flow : Minimum 250 LPM Head- 6 bar Make- Armstrong/Grundfos

Supply, installation, testing and commissioning of electrical control panel. Electrical panel shall be provided for operation of chilled water pump mentioned in Sr. no. 1 Control panel shall be conform to IEC 60439, IP 54 compliant. Panel shall be fabricated from MS sheet of minimum 1.6 mm thickness, powder coated with 7 tank dip process. Panel shall be floor/wall mounted as per site conditions. Panel GA drawing to be approved by ARAI In charge before fabrication. all necessary star delta starter/ DOL starter/ MCB/switchgear/hardware shall be provided for proper operation of pump, as per OEM recommendation. Panel shall have provisions to provide all safety interlocks like dry run, over load, under current, single phase protection, etc. for safe and proper working of pump. All necessary hardware to be provided by bidder. ON and OFF push buttons to be provided on panel for pump operation. Panel shall have ON/OFF/TRIP LED indication lamps to indicate pump status. Panel shall have R/Y/B phase indication lamps on panel. Panel shall have main isolation switch/MCB. Panel shall have top/bottom entry for cabling, as per site conditions. Proper glands to be used. Panel shall have appropriate ventilation arrangement. PID controller shall also be installed in control panel. All necessary hardware/switchgear/ power supply modules/SMPS shall be provided by bidder, for proper operation of PID controller, 3 way valve, differntial pressure transmitter, etc. Bidder shall provide all necessary hardware, modules for same. all necessary safety protections shall be provided by bidder. ARAI will provide single incomer to panel. All further necessary internal cabling is in bidder's scope. Make of electrical switchgear: L&K/siemens/Schneider

Supply, installation, testing and commissioning of 3 way motorized chilled water control valve, diverting type, to redirect chilled water flow to tank based on differntial pressure transmitter signal. Valve shall be suitable for modulating opening 0 to 100 %. Valve shall be with cast steel body, SS trim material, SS shaft, flanged end connections, class PN 16. 3 way valve shall be provided with electrical (electronic) modulating actuator, suitable for 24 V DC/AC power supply, suitable for 4 to 20 mA input signal. 3 way valve and actuator shall be suitable for outdoor installation with minimum IP 67 rating. It shall be suitable to handle water with temperature from 7 deg C to 50 deg C. Valve shall be suitable for generating analogue feedback of valve opening position. Valve shall be modulated as per signal received from pressure transmitter. As differntial pressure starts increasing, 3 way valve shall open and it shall divert water flow to tank and vice versa. Make: Honeywell/siemens Size: DN 50

Supply, installation, testing and commissioning of differential pressure transmitter. Pressure transmitter to be installed at farthest point, i,e. neat HCV panel. Differntial pressure transmitter shall provide diffenece in supply and return line of cooling water supplied to HCV panel. Range of pressure measurement shall be 0 to 6 bar. Pressure transmitter shall have accuracy of +/-0.5% of full scale. It shall be suitable for 24 V AC/DC supply. It shall generate 4 to 20 mA output signal. It shall be suitable for PN 16 pressure rating. It shall be suitable for outdoor installation with minimum IP 67 rating. Transmitter MOC shall be SS for wetted parts and housing. It shall be mounted properly on pipe line as per OEM recommendations, for accurate measurements. Make: Danfoss/Honeywell/siemens

Supply, installation, testing and commissioning of SS water tank of 1500 litre capacity. Tank shall be fabricated from SS 304 sheets of minimum 3 mm thickness. Tank size to be decided as per site conditions. Tank shall have all necessary piping connections like pump inlet connection, drain connection, make up connection, return water line connections. Tank shall be provided with proper manhole on top for maintenance/cleaning purpose. Manhole cover shall be nut bolted to body, with proper gasket in between. Tank shall be insulated on out side using minimum 25 mm nitrile rubber insulation and further covered with 26 gauge aluminium cladding. Before fabrication, vendor shall submit final fabrication drawing of tank, for approval of Engineer in charge. Proper MS stand to be provided below tank. Stand height to be finalised as per site conditions.

Supply, Installation, testing and commissioning of GI 'C' class chilled water piping complete with all required bends, elbow, tees, reducer, flanges, rubber gaskets, etc. It also includes fabrication and installation of tool pieces for accommodating all valves, strainers, NRVs, pressure gauges, temperature gauges, etc. Piping size: NB 65 Make: Tata/Jindal/Zenith

Supply, Installation, testing and commissioning of GI 'C' class chilled water piping complete with all required bends, elbow, tees, reducer, flanges, rubber gaskets, etc. It also includes fabrication and installation of tool pieces for accommodating all valves, strainers, NRVs, pressure gauges, temperature gauges, etc. Piping size: NB 50 Make: Tata/Jindal/Zenith

Supply, Installation, testing and commissioning of GI 'C' class chilled water piping complete with all required bends, elbow, tees, reducer, flanges, rubber gaskets, etc. It also includes fabrication and installation of tool pieces for accommodating all valves, strainers, NRVs, pressure gauges, temperature gauges, etc. Piping size: NB 25 Make: Tata/Jindal/Zenith

Supply, installation, testing and commissioning of butterfly valve, Slim seal, flanged end type, CI body, NBR seat, DI disc, class PN 10. Size: DN 65 Make: L&T/Honeywell/Zoloto/Audco/advance

Supply, installation, testing and commissioning of butterfly valve, Slimseal, flanged end type, CI body, NBR seat, DI disc, class PN 10. Size: DN 50 Make: L&T/Honeywell/Zoloto/Audco/advance

Supply, installation, testing and commissioning of Y type strainer, flanged end, CI body, SS screen, class PN 10. Size: DN 65 Make: hammer/hawa/kartar/zoloto/Advance/honeywell

Supply, installation, testing and commissioning of flap type NRV, flanged ends, CI body, class PN 10. Size: DN 50 Make: L&T/Honeywell/Zoloto/Audco/advance

Supply, installation, testing and commissioning of flap type NRV, flanged ends, CI body, class PN 10. Size: DN 25 Make: L&T/Honeywell/Zoloto/Audco/advance

Supply, installation, testing and commissioning of ball valve, 3 piece design, full bore, threaded end type, CS body, SS ball & stem, PTFE seat, class PN 10. Size: DN 25 Make: L&T/Honeywell/Zoloto/Audco/advance

Supply, installation, testing and commissioning of automatic air purge/vent valves, Brass/GM body, class PN 10. Size: DN 25 mm Make:Audco/L&T/Advance/zoloto/hawa/honeywell

Supply, Installation, testing and commissioning of Pressure gauge, glycerine filled, SS body, minimum 100 mm dia dial, range- 0 to 10 bar, with SS isolation valve, with SS syphon. Necessary material for installation of pressure gauges in chilled water piping is to be considered by bidder. Make: H Guru/ wika/ pioneer/ bourdon

Supply, Installation, testing and commissioning of Temperature Gauge with thermowell, MOC-SS, minimum 100 mm dia dial, Range: 0-50°C. Necessary material for installation of temperature gauge in chilled water piping is to be considered by bidder. Make: wika/pioneer/ bourdon

Supply, Installation, testing and commissioning of Class O type expanded nitrile rubber insulation of 25 mm thickness on above chilled water piping. Insulation to be pasted by class O adhesive and then finished with 26 gauge aluminium cladding Make: K-flex/ Armacell

Supply, installation, testing and commissioning of power cabling required for pump. Copper armoured cable of suitable size and capacity shall be provided by bidder, as per OEM recommendation. Cable shall be laid properly through GI pipe. Make: Polycab/RR

Supply, installation, testing and commissioning of control cabling required for PID controller, pressure transmitter, 3 way valve. Copper armoured cable of suitable size and capacity shall be provided by bidder, as per OEM recommendation. Cable shall be laid properly through GI pipe. Make: Polycab/RR

Supply, installation, testing and commissioning of MS fabricated supports for water piping and electrical conduit. Supports shall be fabricated from MS channels/angles/plates as per site conditions. Supports shall be painted with primer and 02 coats of oil enamel paint.