Repair and Improvement of Hydro Pneumatic System for

Amount

Removing of existing 2/3 HP submerssible pumps, including removing cable termination, cables, lugs, fittings, pipe connections, fittings, nuts bolts, washer, stand, pads, supporting frame, stand etc complete in all respect and keeping the same in the department store area as directed by site in charge

Constructing RCC pedestal for Pumps are per consultants drawings, details and specifications etc complete.

Providing and fixing laying in position first quality SDR 7.4 grade PPR pipe as per IS-15801 standards to required length including necessary pressure PPR fittings like elbows, tees, unions, socket with poly fusion welding etc including testing to required pressure clamping on walls, ceiling or buried in ground of approved make - 40 dia

Providing and fixing laying in position first quality SDR 7.4 grade PPR pipe as per IS-15801 standards to required length including necessary pressure PPR fittings like elbows, tees, unions, socket with poly fusion welding etc including testing to required pressure clamping on walls, ceiling or buried in ground of approved make - 32 dia

Providing and fixing laying in position first quality SDR 7.4 grade PPR pipe as per IS-15801 standards to required length including necessary pressure PPR fittings like elbows, tees, unions, socket with poly fusion welding etc including testing to required pressure clamping on walls, ceiling or buried in ground of approved make - 25 dia

Providing and fixing laying in position first quality SDR 7.4 grade PPR pipe as per IS-15801 standards to required length including necessary pressure PPR fittings like elbows, tees, unions, socket with poly fusion welding etc including testing to required pressure clamping on walls, ceiling or buried in ground of approved make - 15 dia

Providing and fixing in position heavy duty PPR Ball valve PN20 conforming to IS 15801 with screwed end including testing and commissioning. Etc complete.- 40 dia (Gate / Ball Valve)

Providing and fixing in position heavy duty PPR Ball valve PN20 conforming to IS 15801 with screwed end including testing and commissioning. Etc complete.- 32 dia (Gate / Ball Valve)

Providing and fixing in position heavy duty PPR Ball valve PN20 conforming to IS 15801 with screwed end including testing and commissioning. Etc complete.- 25 dia (Gate / Ball Valve)

Providing and fixing in position heavy duty PPR Ball valve PN20 conforming to IS 15801 with screwed end including testing and commissioning. Etc complete.- 15 dia (Gate / Ball Valve)

Providing and fixing in position Gun metal heavy duty Non Return Valve PN20 vertical / horizontal conforming to BS 5154 with screwed female end including testing and commissioning. Etc complete.- 32 dia

Providing and fixing in position brass Foot valve as per IS 554 / BS 21 / ISO 7 screw ended, gasket, SS nuts bolts with SS washers and rubber gasket including testing and commissioning. Etc complete. - 40 dia.

Providing and fixing calibrated pressure gauge 100mm dia with U tube syphon and isolation cock including fixing with jointing material etc complete.

Supplying, cutting,welding at site MS fabrication work in Channel, Beam, Angle, Flat or round bar as per site condition including cleaning burrs, arc welding with specified welding electrodes fiing on ground / ceiling / beam / slab with SS fasteners etc complete in all respect

Supplying, installing, testing and commissioning of Hydropneumatic System Pumps (2 working + 1 Standby) as per Data Sheet DWS-01 etc complete in all respect.

Supplying, installing, testing and commissioning of 2.2 KW VFD for controlling Hydropneumatic System including PLC and having 4 inch display with a voltages 110-600V range, having IP 20 grade, o Built-in RS-485 interface for fieldbus control, o Full I/O + optional board support, o Built-in choke as option in ≥16A types, Pulse train input, Built-in PLC functionality based on IEC61131-3, Built-in EMC filter for the configuration of the same

Providing and fixing in position MS fabricated frame Hot Dip Galvanized for mounting the hydropnuematic pumps

Providing and fixing in position 12mm dia GI Foundation bolt in concrete bed for fixing the mounting frame of pumps

Providing and fiing in position GI manifold for suction and delivery header with blank off GSS flanges on both sides of the header including GI nut bolts, washers and rubber gasket.

Supplying, installing, testing and commissioning of Pre-charged diaphragm pressure vessel with interchangeable membrane, charging connection, connected to outlet header with necessary flanges, gaskets, isolating valves, nuts/bolts etc. complete (size of pressure vessel shall be 100 liters (approx.) or as per manufacturer recommendation) tank 10 Bar etc complete.

Supplying, installing, testing and commissioning of VFD operated electrical control panel with PLC based system and works on the pressure sensing with pressure switch and water level control in UG and overhead tanks, control panel for all VFD operated pumps including Type II coordination for bypass arrangement incase of failure of all VFDs, electrical cables, lugs, glands and its terminations, feather touched LED / LCD screen panel for operation Control panel should have Over current, over voltage, surge, earth leakage and phase protection, BMS compatible for programming, PLC based VFD for the frequency control as per the demand flow, pump running and fault and capable to communicate with other controllers following MODBUS-RTU or BACNET Class-2 protocol through RS485 port. System should be capable to compensate for frictional losses at lower flows. All alarms should be displayed in the controller. System should be equipped with dry running protection etc complete in all respect.

Supplying, installing, testing and commissioning of Float sensors in UG tank for non operation of pumps during low water level

Providing and fixing in position Gun metal heavy duty 25mm dia Air Relies Valve conforming to IS 778 with screwed female end including testing and commissioning. Etc complete.

Supply, Installation, Testing & Commissioning of Pressure Switch to actuate (`cut-off' and / or `make contact' as required) at pre-set pressures with all necessary fitting, adapters and teflon tape fixing etc complete.

Cu armoured cables FRLS outer sheathed- 4C x 4 Sq.mm ('R3-ME-2-3-k ).

G.I. Trunking / Duct / Raceway & all other accessories – 150 x 40mm (W x H) - (14 SWG - 2mm) with cover without partition (R3-ME-2-15-d)

Cu armoured cables FRLSZ outer sheathed- 4C x 1.5 Sq.mm ('R3-ME-2-3a-c)

Supplying, installing, testing and commissioning of Hydropneumatic System Pumps (1 working + 1 Standby) as per Data Sheet FWS-01 etc complete in all respect.

Supplying, installing, testing and commissioning of 1.5 KW VFD for controlling Hydropneumatic System including PLC and having 4 inch display with a voltages 110-600V range, having IP 20 grade, o Built-in RS-485 interface for fieldbus control, o Full I/O + optional board support, o Built-in choke as option in ≥16A types, Pulse train input, Built-in PLC functionality based on IEC61131-3, Built-in EMC filter for the configuration of the same

Supplying, installing, testing and commissioning of VFD operated electrical control panel with PLC based system and works on the pressure sensing with pressure switch and water level control in UG and overhead tanks, control panel for all VFD operated pumps including Type II coordination for bypass arrangement incase of failure of all VFDs, electrical cables, lugs, glands and its terminations, feather touched LED / LCD screen panel for operation Control panel should have Over current, over voltage, surge, earth leakage and phase protection, BMS compatible for programming, PLC based VFD for the frequency control as per the demand flow, pump running and fault and capable to communicate with other controllers following MODBUS-RTU or BACNET Class-2 protocol through RS485 port. System should be capable to compensate for frictional losses at lower flows. All alarms should be displayed in the controller. System should be equipped with dry running protection etc complete in all respect.

CHAITRA ELECTRICALS AND ENGINEERING

Shree Ganesh Electrical and Mechanical Works