REPAIR / MAINT TO PUMP SETS, STARTER PANEL, AIR BLOWER AND ALLIED SERVICES AT MIL STN SGNR

Amount

M&L for Transportation Centrifugal Pump of capacity (coupled with 75 HP/60 HP 3 phase elect motor) capacity 40,000 GPH, 60 Mtr head) to work shop for repair/Service, repair the unserviceable pump by insertion of graphite packing,rubber gasket,brass bush,gland plate, studs and greasing etc. Including replacement of unserviceable spare parts and reassembling and fixing to its original position, making mechanical connections and testing pumping set complete all as specified and directed. Note: (a) Spares to be replaced other than impeller, wear ring, interstage ring & pump Shaft included in item rate nothing shall be paid extra on this account. (b)Spare item such as Impeller, wear ring, interstage ring & pump Shaft if replaced shall be paid seprately as supply only under respective items of BOQ.

Supply only cast iron impeller 1st stage (CI IS 210-FG-200) for centrifugal pump Model No- DSM 100/ 36, S& D- 125 x 100 mm complete all as specified and directed.

Supply only cast iron impeller 2nd stage (CI IS 210-FG-200) for centrifugal pump Model No- DSM 100/ 36, S& D- 125 x 100 mm complete all as specified and directed.

Supply only cast iron Wear ring for centrifugal pump Model No- DSM 100/ 36, S& D- 125 x 100 mm complete all as specified and directed.

Supply only Cast iron Interstage ring for centrifugal pump Model No- DSM 100/ 36, S& D- 125 x 100 mm complete all as specified and directed.

Supply only Cast steel pump shaft (CS IS 1570-40C8 hot rolled) for centrifugal pump Model No- DSM 100/ 36, S& D- 125 x 100 mm complete all as specified and directed.

Disconnecting and taking up self priming centrifugal pump (coupled with 25 HP 3 phase elect motor) capacity 180000 LPH, 20 Mtr head, 1410 RPM, SP6L from the existing foundation. Service/repair the unserviceable pump including necessary facing, grinding, turning, filling and replacement of bearings with greasing, resetting and machining of shaft, replacement of gun metal bearing bush, sleeves and studs and reassembling and fixing to its original position, making mechanical connections and testing pumping set complete all as specified and directed.

Disconnecting and taking up centrifugal pump (coupled with 20 HP 3 phase elect motor) from the existing foundation. Service/repair the unserviceable pump by facing, grinding, turning, replacement of bearings with greasing, resetting and machining of shaft , gun metal bearing bush, and studs and reassembling and fixing to its original position, making mechanical connections and testing pumping set complete all as specified and directed.

Disconnecting and taking up centrifugal pump (coupled with 15HP 3 phase elect motor) capacity14.81 LPS, 34Mtr head, from the existing foundation. Service the unserviceable pump by facing, grinding, turning, replacement of bearings with greasing, resetting and machining of shaft , gun metal bearing bush, and studs and reassembling and fixing to its original position, making mechanical connections and testing pumping set complete all as specified and directed.

Disconnecting and taking up monoblock pumpset (prime mover 15 HP 3 phase elect motor) capacity 24.3 LPS/23.7LPS, 29.5 Mtr head, type-KDS1537 from the existing foundation. Repair the unserviceable pump by facing, grinding, turning,replacement of bearing with greasing, resetting and machining of shaft , gun metal bearing bush, and studs.Reassembling and fixing to its original position, making mechanical connections and testing pumping set complete all as specified and directed.

Disconnecting and taking up monoblock pumpset (prime mover 12.5 HP 3 phase elect motor) capacity 25 LPS, 25 meter head, 2900 RPM, type-KDS-1331 from the existing foundation. Repair the unserviceable pump by facing, grinding, turning, insertion of graphite packing, replacement of bearing,greasing, resetting and machining of shaft, gun metal bearing bush, and studs and reassembling and fixing to its original position, making mechanical connections and testing pumping set complete all as specified and directed.

Disconnecting and taking up pumpset (prime mover 7.5 HP 3 phase elect motor) from the existing foundation. Repair the unserviceable pump by facing, grinding, turning, insertion of graphite packing, replacement of bearing,greasing, resetting and machining of shaft, bearing bush, and studs and reassembling and fixing to its original position, making mechanical connections and testing pumping set complete all as specified and directed.

Disconnecting and taking up monoblock pumpset (prime mover 5 HP 3 phase elect motor from the existing foundation. Repair the unserviceable pump by facing, grinding, turning, insertion of graphite packing, replacement of bearing,greasing, resetting and machining of shaft, gun metal bearing bush, and studs and reassembling and fixing to its original position, making mechanical connections and testing pumping set complete all as specified and directed.

M&L servicing of pumpsets 2HP to 3HP alongwith motor (any type) including replacement of suitable mechanical seal and packings, coupling repairs, replacment to bearings, resetting and machining of shaft, bearing bush, and studs and reassembling and fixing to its original position, making mechanical connections and testing pumping set complete all as specified and directed.

Supply only cast iron impeller for pumping set suitable for upto 5 HP to 25 HP complete all as specified and directed.

S&F in replacement digital voltmeter of range 0-500 Volts complete all as specified and as directed.

S&F in replacement digital ampere meters 0-250 Amps with CT complete all as specified and as directed.

S&F in replacement, 4 pole AC power contactors, 415 volt rating coil, NHD series, suitable for 20 HP(Rating 28-42 Amps), 3 phase electric motor starter complete all as specified and directed.

S&F in replacement, direct on line citation motor starter 415V coil suitable for 7.5-5 HP, suitable size of overload relay , complete with SS enclosure complete all as specified and directed.

S&F in replacement, direct on line citation motor starter 415V coil suitable for 1--3 HP, suitable size of overload relay , complete with SS enclosure complete all as specified and directed.

S&F in replacement, auto switch single phase preventer for star delta and DOL starter as recommended by OEM complete all as specified and directed.

S&F in replacement timer block suitable for L&T ML6 to ML-3 FASD starter as recommended by OEM complete all as specified and as directed.

S&F in replacement of power contactor, AC-1 rating,32 amps to 9 Amps, 3 Pole, AC control with Auxiliary contacts 1 NO + 1 NC, suitable for coil voltage 110 V, 220, 240 & 415 volts, 50 Hz complete all as specified and as directed.

S&F in replacement of thermal over load relay adjustment range 28-42 Amps, 20-33 amps with relay mounting block, all electrical control wiring complete all as specified & as directed.

S&F in replacement of thermal over load relay adjustment range 9-15 Amps, 6-10 Amps & 4- 6.5 amps with relay mounting block, all electrical control wiring complete all as specified & as directed.

S&F in replacement, mild steel coupling and supply and fix mild steel coupling complete alongwith alignment of shafts complete all as specified and directed.

Supply only copper thimbles 6 to 35 sqmm as specified and as directed.

S&F, in replacement, MS work of required size with all additional joinery items and colour on all complete as specified and directed.

S&F in replacement of electric terminal box with cover suitable for motor of any capacity complete all as specified and directed.

S&F in replacement of motor cooling fan including nuts and bolts suitable for motor of any capacity complete all as specified and directed.

Earthing complete with galvanised iron earth plate electrode of size 600mm x 600mm x 6mm buried directly in ground (earth pit not less than 2.25 mtr deep below ground level ) with top edge of the plate not less than 1.5 metre below normal ground level, connected to and including GI strip 25X4mm (upto the body of equipment) by means of GI bolts/nuts/washers, protected by 40 mm bore GI light grade pipe. Earth plate shall be surrounded by alternate layer of charcoal or coke and common salt 15 cm thick all around bottom and top. 20 mm bore GI medium grade pipe for watering and including funnel, wire mesh, RCC cover in 1:2:4 type B1using 20mm graded crushed stone aggregate and reinfircement (TMT) with 8mm dia @ 100 c/c bothways & frame, PCC (1:3:6) type C2 (using 20 mm graded crushed stone aggregate) as in earthing pit including necessary excavation & earth work, complete all as specified & shown in electrical plate No. 3 of MES schedule Part-I. Note:(i) The unit rate includes earthing lead & protection pipe upto 7.5 metre from top of earth plate. (ii) PCC chamber shall be construced at least 1.50 m away from the earth electrode and pipe for watering shall be provided in slanting manner.

Supply only nuts , bolts with washers, studs of various sizes required at site complete all as specified and directed.

S&F in replacement PVC reflux valve 40 mm to 80 mm dia complete all as specified and directed.

Supply and fixing ultrasonic flow meter used for domestic water, Raw water & sewage water suitablre for Pipe dia upto15 to 600 mm for pipe material Steel,/cast iron/ Ductile iron/MS /Brass etc, with accuracy of ± 1%, suitable for flow rate 0.3 to 32 m/s , operation on power supply 230VAC/110VAC/24VDC, signal output 4to 20mA pulse, with RS-232C, RS485, M-BUS,RF,GSM/GPRS, LORA/NB-OIT communication support, data logger option with 8 GB SD card ,with IP65, IP 67 & IP68/ protection, alongwith S1 , M1 & L1 sensor clamps, hand held type complete all as specified and directed.

M&L for disconnection electric connection, taking down the induction motor 25 HP to 50 HP from foundation and transportation to work shop for repair , greasing & varnishing the winding and drying complete. Reassembling, bringing back to the installation, making the same functional after re-fixing at the existing location, testing after proper alignment the motor on full load complete all as specified and directed. (Note :- The cost of bearing is deemed included in this items nothing shall be paid extra )

Disconnecting and taking up centrifugal pump (coupled with 50 HP 3 phase elect motor) capacity 84 LPS, 23 Mtr head, 1450 RPM, type-SHM-150x32N from the existing foundation. Service/repair the unserviceable pump by facing, grinding, turning, replacement of bearings with greasing, resetting and machining of shaft , gun metal bearing bush, and studs and reassembling and fixing to its original position, making mechanical connections and testing pumping set complete all as specified and directed.

M&L for disconnection electric connection, taking down the induction motor 75 HP to 50 HP from foundation and transportation to work shop for repair ,replacement of unserviceable bearings, greasing cleaning etc. Reassembling, bringing back to the installation, making the same functional after re-fixing at the existing location, testing after proper alignment the motor on full load complete all as specified and directed.

M&L for disconnection electric connection, taking down the induction motor 25 HP to 7.5 HP from foundation and transportation to work shop for repair ,replacement of unserviceable bearings, greasing cleaning etc. Reassembling, bringing back to the installation, making the same functional after re-fixing at the existing location, testing after proper alignment the motor on full load complete all as specified and directed.

M&L for greasing of pumpset alongwith motor using grease gun of suitable nozzle size as per site requirement including checking of proper alignment and removing any vibration and undesireable noise complete all as specified and directed.

Disconnecting and taking up non clog centrifugal pump (coupled with 25 HP 3 phase elect motor) capacity 60 LPS, 18 Mtr head, 1450 RPM, type-BCP125x100 from the existing foundation. Service/repair the unserviceable pump by facing, grinding, turning, replacement of bearings with greasing, resetting and machining of shaft , gun metal bearing bush, and studs and reassembling and fixing to its original position, making mechanical connections and testing pumping set complete all as specified and directed.

Supply and fixing in replacment of Flow indicator totalizer (FIT) suitable for operation in outdoor condition(with enclosure) mounted on wall , dual functionality flow rate indication (in cum/hr) & 8 digit flow (in cum) ,programmable type from 0 to 9999 having following technical specification :- (a) Input :- 4-20 mA DC linear or square root corresponding to flow rate , factory set. (b) Display - 7 Segment LED, 5-digit flow rate , 8- digit totaliser. (c) Accuracy - ± 0.3% of FS , ± 1 LSD (Flow) and ± 2 count (Totaliser). (d) Excitation :- 24V DC, 100 mA excitation supply for external flow transmitter. (e) Supply :- 230 VAC or 110VAC, ± 10%, single phase , 50 Hz factoryset. (f) Programming Keyboard : 4 Key Tack-tile keyboard (g) Communication :- RS-485 Modbus including making connection and calibration with flow meter complete all as specified and directed.

Supply and fixing in replacement of electomagnetic flow meter suitable for wastewaster application, digital LCD Display with 8 meter long sensor cable, Different Units of flow rate and Total like Liter, Cubic meter and gallon etc. Connection: Flange End, Flange: CS, Flow Tube: SS 304, Electrode: Hastelloy, Lining Neoprene, Temp 90 oC Max, Accuracy: ± 0.5% of measuring value, Flow Velocity: 0 to 15 m/sec, Pressure Range: 16Kg/cm2 ,Power Supply: 24VDC/ 230 VAC, Signal Output: 4-20 mA, Pulse, DN 200/ Size 8’’ Inch. Flow Range: 35 to 1250 M3/Hr, sensors and converter IP66 complete including provision for connection with Flow indicator totalizer (FIT) system complete all as specified and directed. Note :- (a) The cost of cutting with flanges of MS/CI/DI pipe is included in item rate nothing shall be paid extra in this account. (b) The cost of power cable from FIT box to meter is included in item rate nothing shall be paid extra .

M&L replacement of glands in sluice valves of various sizes & pumpsets of any capacity as specified and directed.

Supply and fixing in replacement of tyre coupling of various sizes as per site requirement complete all as specified and directed.

M&L for taking down 75 HP pumpset from foundation by disconnecting electric and water connection from suction & delivery side & old ruted MS channel. Refixing the pumpset at the same location after dismantling of foundation and making ew foundation including MS cannel as recommended by manufacturer complete after proper alignent & reconnecting electric and water pipeline (suction and delivery pipe) complete all as specified and directed. (Note : Cost of MS/CI fitting as required shall be included in this item nothing shall be paid extra in this account.)

M&L for replacement of rubber sheet of 200mm bore NRV & 200mm bore footvalve complete all as specified and directed. (Note : All unserviceable items retrived shall be deposited to MES Store Yard. The cost of transporation and labour is included in items nothing shall be paid extra in this accoount.

NAMAN ENTERPRISES (BID ID -3483026)

AYUSH BUILDERS (BID ID -3490373)

THAKURJI ENTERPRISES (BID ID -3490580)