Public Health Engineering Department Tender

Recapitalization of 250KVA Voltage Stabilizer of Pumping Station Sool unit no.1 by way of disconnecting all electrical connections and making temporary arrangement for running of system. Dragging the stabilizer outside the pump by deploying manual labour and with the help of tools - tackles. Unfastening of nuts-bolts and open the top cover and then Dismantling of complete unit by way of chain pulley block tripod stand to draw out its damaged coil-01no.Rewinding of coil with superior quality copper wire/strip, insulation material and varnishing completely. P/f of new rotary switch-3no and replacement of voltmeter-3no, amper meter 1no, selector switch-2no, phase indicator set and Panel wiring etc. Soldering the internal connections and tapping it, job also involves p/f of change over switch -1no. Insertion of controlling unit inside chamber using chain pulley block and other tools –tackles. Making electrical connections by shifting back. Complete job includes cost of material and labour charges, testing the stabilizer on un-loaded and load condition at site and less for old parts.

Recapitalization of 250KVA Voltage Stabilizer of Pumping Station Sool unit no.2 by way of disconnecting all electrical connections and making temporary arrangement for running of system. Dragging the stabilizer outside the pump by deploying manual labour and with the help of tools - tackles. Unfastening of nuts-bolts and open the top cover and then Dismantling of complete unit by way of chain pulley block tripod stand to draw out its coils along with core. Minor repair to coils-2nos. P/f of new rotary switch-2no and replacement of voltmeter-2no, amper meter 1no, selector switch-2no, phase indicator set and Panel wiring etc. job also involves p/f of change over switch -1no and MCCB. Insertion of controlling unit inside chamber using chain pulley block and other tools –tackles. Making electrical connections by shifting back. Complete job includes cost of material and labour charges, testing the stabilizer on un-loaded and load condition at site and less for old parts.

Providing and filling of fresh transformer oil in 250KVA Voltage Stabilizer installed pumping Station of pumping Station sool by way of using chain pulley block and unfastening nut bolt of top cover of transformer there by Providing of fresh transformer oil approximately 370ltr after cleaning of chamber to remove the dust and moisture. Complete job includes cost of material and labour charges for shifting of oil at site and less for old Parts.

Job charges for Repairing to 400 KVA substation installed at Pumping Station Sool by way of taking shut down of HT line feeding to 400KVA substation. Replacement of wornt out knife set- 1 No. D.O switch 1 No. Providing and fitting of knife set- 1 No. D.O switch- 1 No. Aluminium conductor -10 Mtr, Lighting Aresstor-1 set, pin insulators- 6 No, Ms clamp, Nut- Bolts with washers etc. job also includes painting of H.T Poles, thumbing to end terminals of cables. Testing the system on loaded unloaded condition at site. Complete job includes cost of material, labour charges and carriage charges and charges for doing work at site and less for old parts. Complete job in all respect

Recapitalization of 400KVA Electric Transformer of pumping Station Sool by way of using chain pulley block and tripod stand, u-clamps, crown bar and other tool and trackles dragging of transformer at safe place by using manual labour and Shifted it work shop for its repair and there on dismantling of damaged Transformer by way of unfastening nut bolt of top cover of transformer there by cutting/extracting damaged H.T Bush Rods sets & L.T Bush rods sets and taking out simultaneously scratching old and damaged crock sheet & other connecting with special tool & trackers. Extracting out core of transformer and dismantling of each limb of Copper wound H.T & L.T coils by way of dismantling of upper core connections making each coil independent from each other, extracting of H.T/L.T coil from core & its damaged insulation. Providing and fabrications of H.T coils- 8No and LT coil -2no of required guage no of turns and weight Copper wire, press phane paper, press bolt paper, cotton tape, insulation tape, spaces, Lethoride sheet etc. Insertion of new fabricated coils over the core using quality insulations materials for both H.T as well as L.T coil, making internal connections of the coil to make star connections with L.T side & delta connection with H.T coils. Insertion of complete unit into oil chamber & P/F new Bush Rod LT side 2no and HT side-2No with copper studs, nuts & Bolts washers & other allied part. Insertion of controlling unit inside chamber using chain pulley block and other tools –trackles. Making electrical connections by shifting back. Complete job includes cost of material and labour charges, testing the stabilizer on UN loaded and load condition at site and less for old Parts.

Recapitalization of 400KVA Electric Transformer of pumping Station Sool unitno.2 by way of using chain pulley block and tripod stand, u-clamps, crown bar and other tool and trackles dragging of transformer at safe place by using manual labour and Shifted it work shop for its repair and there on dismantling of damaged Transformer by way of unfastening nut bolt of top cover of transformer there by cutting/extracting damaged H.T Bush Rods sets & L.T Bush rods sets and taking out simultaneously scratching old and damaged crock sheet & other connecting with special tool & trackers. Extracting out core of transformer and dismantling of each limb of Copper wound H.T & L.T coils by way of dismantling of upper core connections making each coil independent from each other, extracting of H.T/L.T coil from core & its damaged insulation. Providing and fabrications of H.T coils- 5No and LT coil -1no of required guage no of turns and weight Copper wire, press phane paper, press bolt paper, cotton tape, insulation tape, spaces, Lethoride sheet etc. Insertion of new fabricated coils over the core using quality insulations materials for both H.T as well as L.T coil, making internal connections of the coil to make star connections with L.T side & delta connection with H.T coils. Insertion of complete unit into oil chamber & P/F new Bush Rod LT side 3no and HT side-3No with copper studs, nuts & Bolts washers & other allied part. Insertion of controlling unit inside chamber using chain pulley block and other tools –trackles. Making electrical connections by shifting back. Complete job includes cost of material and labour charges, testing the stabilizer on UN loaded and load condition at site and less for old Parts.

providing and filling of fresh transformer oil in 400KVA electric Transformer installed pumping Station Sool unit no.1 by way of using chain pulley block and unfastening nut bolt of top cover of transformer there by Providing of fresh transformer oil approximately 450ltr after cleaning of chamber to remove the dust and moisture. Complete job includes cost of material and labour charges for shifting of oil at site and less for old Parts.

Job charges for Providing and fitting 630Amp MCCB at Pumping Station sool by way of Fabrication of Aluminum bus bar towards incoming and outgoing side of MCCB, Fabrication and fixing of Bakelite sheet on back side of MCCB and fitted on wall with the help of anchor fast and connecting the input and output cables. Testing the system on load at site Complete Job in all respect

Job charges for Replacement of 150mm Dia cast iron Sluice Valve Installed at suction side of Pumping Station Sool by mean of head load/Mechanical Transport and there on cutting and smoothing the edge of the pipe ends with the help of oxygen acetylene gas cutting system and grinding the same to make it smooth surface. Providing/Fitting of 150Mm dia Cast Iron Sluice valve with help of rubber sheet, nut-bolts with washer. P/f of MS flanges and welding on both sides of pipe by using super bond special welding electrodes in double layer removing the flux and slag by chipping and grinding to perform second successive layer. Complete job includes cost of material, labour charges and testing the mechanical system on load at site. Complete Job

Job charges for Replacement of 150mm Dia Cast Iron Sluice Valve Installed at Delivery line of Pumping Station Sool by mean of head load/Mechanical Transport and there on cutting and smoothing the edge of the pipe ends with the help of oxygen acetylene gas cutting system and grinding the same to make it smooth surface. Providing/Fitting of 150mm dia Cast Iron Sluice valve with help of rubber sheet, nut-bolts with washer. P/f of MS flanges and welding on both sides of pipe by using super bond special welding electrodes in double layer removing the flux and slag by chipping and grinding to perform second successive layer. Job also includes repair to other cast iron valve-1no. Complete job includes cost of material, labour charges and testing the mechanical system on load at site. Complete Job

Job charges for Replacement of 150mm Dia cast iron NRV Installed at Delivery side of Pumping Station Sool by mean of head load/Mechanical Transport and there on cutting and smoothing the edge of the pipe ends with the help of oxygen acetylene gas cutting system and grinding the same to make it smooth surface. Providing/Fitting of 150mm dia Cast Iron NRV with help of rubber sheet, nut-bolts with washer. P/f of MS flanges and welding on both sides of pipe by using super bond special welding electrodes in double layer removing the flux and slag by chipping and grinding to perform second successive layer. Complete job includes cost of material, labour charges and testing the mechanical system on load at site. Complete Job

Providing and fitting of Aluminum Cable 3.5X300 Sqmm at Pumping Station sool by way of shifting it at site by mean of head load/Mechanical Transport, disconnecting the supply and Providing and fitting Aluminium cable 3.5X300 approximately 19mtr from transformer to MCCB with thimbling to end terminal of cable by soldering process, tightening the electric connections and connecting the power supply and then testing the system on loaded and unloaded condition at site. Complete job includes carriage charges and charges for carrying tools and tackles for working at site. Complete job

Designing, Fabrication, Installation, Testing and Commissioning of LT Control Panel of 415 volts, AC 3 phase, 50 HZ for 120/150HP capacity motor Installed at Pumping Station Sool. The panel shall be dust and vermin proof fabricated out of 14/16 SWG CR sheet. The panel should be sturdy enough for vibration free operation and should be equipped with suitable Locking/ Sealing arrangement. The structure should be provided suitable entry and exist holes for incoming and outgoing cables. The panel should be given two coats of anti Rust primer and two coats of enamel paint. It should be equipped with MCCB 400Amp 35KA in input side for short circuit protection, Contractor MNX325A-2no (L&T Make or equivalent) for main and delta supply and 1No contractor 265Amp (L&T Make or equivalent) for star operation, I No timer for change over the supply of motor from star to Delta, 2 No push buttons for stop and start operation of motor. 1No thermal relay range (135-225A) fitted with main contractor. Metering: The enclosure should be voltmeter, ampere meter are to be provided along with the required current transformer and selector switches. All control wiring should be neat and clean with flexible copper cable to complete the star- delta circuit of outgoing supply. Features and specifications a)Automation:- the system shall trip off the motor on power failure and on appearance of an electrical fault mentioned below which may otherwise damage the motor field coils and restart the motor automatically on resumption of electric fault thus providing automation to the system and protection to the motor. The system shall provide against:- 1. Low voltage below 350V. 2. High voltage above 450V. 3. Single phase. 4. Reverse phasing. 5. Un Balanced phasing. 6. Dry running. 7. Over loading. Testing and Commissioning of control panel by making connecting to incoming terminals and outgoing terminal of control panel. The job includes providing/ Laying/ fitting of suitable PVC copper conductor properly thimbles at the ends. Testing the performance of the panel on no load and on full load. The job includes the cost of all types of material and labour charges. (Complete job in all respect.)