400 KVA Copper Make Distribution Transformer

Design, Providing, Fitting, Installation, Testing and Commissioning of 400KVA Copper Make Distribution Transformer, floor mounted for running of three no. pumping units each coupled with 100 HP motor. The 400 KVA Transformer with an input voltage of 11KV and output voltage of 415 V should be energy efficient level-2 type. KEY TECHNICAL SPECIFICATIONS INCLUDE: - Primary Voltage (Input): -11000 volts(11kv) Secondary Voltage (Output): -415 volts Capacity: 400KVA (Kilovolt-amperes) Winding Material: - Copper windings Cooling Type: -Oil immersed with a specific oil capacity around (450-600 liters) Type of Cooling: -Commonly ONAN (Oil Natural Air Natural) Cooling Impedance: -Usually around 4 to 6% (depending on design) Frequency: - 50 Hz Insulation- Class F Transformer should be provided with oil temperature indicator, winding temperature indicator, pressure relief device, tap changer and all other accessories and electrical components for its functioning at Lift Irrigation Station Talwara, District Reasi, Union Territory of Jammu and Kashmir. Job consists of transportation of the new transformer to the LIS Talwara by mechanical transport upto road side. Unloading the transformer at road side nearest of LIS using manual labour, crane etc., and then carriage of the transformer manually using tools / tackles etc. through hilly terrain to the site of installation. Removing of old transformer body from the foundation block manually using tools / tackles and stacking it at a suitable place. Mounting of the transformer on the foundation block. Making all the electrical connections on HT and LT side along with proper insulation by providing/fitting of new thimbles, cotton tape rolls etc. as per requirement. Checking for continuity, insulation and putting the transformer on no load and then on full load. The Transformer shall be inspected from third party i.e.: M/S CEIL/Rites/any other inspecting agency complying with ISO 17020 standards before dispatch. The inspection charges shall be paid by the firm / contractor. The inspection charges shall not be re-imbursed. Recapitalization of damaged 400 KVA 3 phase manually operated Voltage stabilizer of LIS Talwara by way of disconnecting all electrical connections. Draining out the water/silt from the stabilizer and extracting out of rotor switches after extracting of coils along with core assembly from the stabilizer with the help of tripod stand, chain pulley block and other tools, tackles. Carriage and shifting of coils and damaged parts of voltage stabilizer from LIS Talwara to roadside using manual labour and then by mechanical transport to workshop. Rewinding of complete leg coils using standard quality copper wire of appropriate gauge. Varnishing all coils with standard make varnish and allowing it to drying completely. Job includes replacement of damaged Bakelite plates, copper bolts and internal leads. Giving heat treatment to core assembly of the stabilizer to make them free from moisture. Back shifting of repaired/serviced components of voltage stabilizer to LIS. Complete cleaning of tank/container of voltage stabilizer to make it free from any rust and dirt, drying completely. Lowering of coils along with core assembly to stabilizer body. Job includes replacement of damaged MCCB by providing and fitting of new MCCB of reputed make, 3 no. voltmeter, 3 no. ammeter, selector switches, indicator lamps, high voltage and low voltage cut off relay, earth fault relay, single phase preventer, cut off alarm of original specification. Filling of fresh T.oil 600 liters approximately. The job also includes replacement of complete internal wiring. Replacement of damaged by pass switch by way of provided / fitting of new bypass switch of suitable capacity of reputed make. Job includes providing/fitting of new thimbles, nuts etc. Repair/Service to 630 Amp Main Switch by providing/fitting of new four pole MCCB 630 Amp of reputed make, bus bars and all other electrical fiitings/components as per original specification to make it functional after dismantling the old damaged parts. Thereafter connecting all cables, accessories to it. Replacement of damaged P.V.C. Sheathed Armoured Aluminium cable 185 sq mm 3.5 core by providing, fitting and laying of insulated/P.V.C. Sheathed Armoured Aluminium cable 240 sqmm 3.5 core 22 meter in length of reputed make conforming to relevant IS-Code at LIS Talwara. Job includes connecting 240 sqmm 3.5 core aluminium cable from transformer to Main Switch, Main Switch to voltage stabilizer and voltage stabilizer to L.T. Control Panel inside the pump house connected with aluminium thimbles of suitable size duly crimped and properly insulated by applying cotton tape and insulation tape. Overhauling/Repair to LT Control Panel for 3 nos. 100 HP motors at LIS Talwara which involves extraction of all the damaged electrical components i.e. Relays, MCCBs, Voltmeter, Ammeter, Selector switches, Busbars, HRC fuses, wiring etc., then cleaning of the whole enclosure of LT Control Panel thoroughly to remove silt, mud etc., then removal of old paint, dust by using sand paper, wire brush and thin metal strips etc. Job then involves applying of good quality paint of suitable colour on LT Control Panel body and drying completely. Replacing all the old components with new ones as per original specification and as per site requirement. Job involves providing/fitting of new electrical components i.e. all CT coils, HRC fuses, Voltmeter(0-500V), Ampere meter, selector switches, Phase Indicators of all the three units of LT Control Panel for 100 HP motors. Providing/Fitting of Incoming feeder consisting of 630 Amp MCCB 3 P of reputed make (with suitable breaking capacity) with internal magnetic setting for overload and short circuit etc., three nos. phase R, Y, B, L.E.D. each. Providing/Fitting of three no. main outgoing feeders consisting of 250 Amp. M.C.C.B 3 P of reputed make (with suitable breaking capacity) in each outgoing, suitable ammeters with selector switch for individual units. Job involves proper positioning of LT Control Panel on Floor for better utilization. The job also includes providing/fitting of internal wiring, remaking of end connections of cables by providing/fitting of new thimbles along with insulation as per site requirement. . Dismantling 100 HP motor of unit no II from base frame and disconnecting all the electrical connections, decoupling of motor from pump at LIS Talwara. Taking the motor out of the pump house, carriage to roadside with the help of tools, tackles & manual labour through hilly terrain. Loading in mechanical transport, for shifting to workshop and carriage back after conducting necessary repairs. Dismantling of the motor by way of unscrewing of nuts/bolts and then extraction of rotor from the stator extracting out old damaged copper winding from the stator. Initial cleaning, washing of rotor and stator with clean fresh water and then drying up. Cleaning the slots of stator with appropriate chemical cleanser. Complete rewinding of the stator with providing/winding and fitting of new copper wires of requisite gauge and specifications. Providing and fitting of new F class insulation, packing material. Varnishing the stator winding with superior quality varnish and drying the stator winding completely Providing/Fitting of bearings nos.6318/C3 to driving as well as to the non driving end of the motor as per sample, greasing bearings properly. Reassembling the motor with the help of nuts/bolts/screws after inserting rotor inside the stator of the motor and checking the continuity of each phase. Refitting/installation of 100 HP motor of unit no. II on the base frame and coupling it with pump and making all the electrical connections by way of providing, fitting & crimping of new aluminium thimbles. Dismantling 100 HP motor of unit no III from base frame and disconnecting all the electrical connections, decoupling of motor from pump at LIS Talwara. Dismantling of the motor by way of unscrewing of nuts/bolts and then extraction of rotor from the stator. Thorough cleaning, washing of rotor and stator first with clean fresh water and thereafter with appropriate solvents to remove silt, mud etc. Drying up the rotor , stator along with the copper winding completely using suitable hot air blowers and heaters. Replacing the damaged insulation paper / packing material with F-class insulation paper as per the requirement. Varnishing the stator winding with superior quality varnish and drying the stator winding completely. Providing/Fitting of bearings no.6318/C3 to driving and as well as to the non-driving end of the motor to replace the damaged bearings. Reassembling the motor with the help of nuts/bolts/screws after inserting rotor inside the stator of the motor and checking the continuity of each phase. Refitting/installation of 100 HP motor of unit no. III on the base frame and coupling it with pump and making all the electrical connections by way of providing, fitting & crimping of new aluminium thimbles. Dismantling of 3.5 cusec, 48m head split casing horizontal centrifugal pump of pumping unit no. II,III from the base frame at LIS Talwara after decoupling it from motors, taking out impeller shaft assembly after dismantling of pump body. The job involves complete dismantling of bearings from the bearing housing. Cleaning all components like impeller shaft assembly bearing housings, gland bushes, rings, pump body, top cover etc. thoroughly with abundant fresh water and thereafter appropriate solvents to remove silt, mud and rust etc. Providing/fitting of 2 no. new bearings at both NDE and DE as per the given sample for each pump. Reassembling/refitting of the pump components and closing the top cover by P/F of new nuts, bolts, studs, washers, rubber/paper sheet and gland packing along with greasing. Reinstalling on the base frame by providing / fitting of new nuts, washers etc. Coupling with motor after providing and fitting of coupling, coupling bolts-06 nos. along with rubber bush as per sample and checking for alignment. Job also involves providing of 4kg gland packing, 5kg grease as per site requirement. Replacement of damaged Aluminium cable by providing, fitting and laying of insulated Aluminium cable 95 sqmm,230 m. Standard quality (reputed make) conforming to relevant IS-Code. Job includes connecting this cable from L.T. Control panel to Star Delta Starter and Star delta starter to motors of Unit No. I, II & III by way of providing and fitting of necessary numbers and suitable size of aluminium thimbles duly crimped with the aluminium cable ends, applying of insulation tape etc. at LIS Talwara. Repair/service to sluice valve 150mm Dia of unit no. II,III by way of extraction of stem rod with nut, opening of body seat ring, ring for flap, gland bracket with gland stud/nut and proper cleaning of parts with clean water/appropriate solvent. Replacement of bolts, nuts & rubber gaskets. Reassembling and refitting of the sluice valves. Providing/Fitting of gland packing and proper lubrication. Job further involves repairs/servicing/cleaning to 150mmdia Reflux Valve / NRV of Unit no. II,III by way of extraction of hinged flapped disc, nuts, bolts, washers, gasket and cleaning with clean water/appropriate solvent and then replacing of gaskets and rubber seals followed by reassembling back to original assembly. Job includes providing/fitting/replacement of 40mm & 50mm dia. priming pipes of required length along with requisite No. of ball valves for the operation of priming system through the 2HP three phase monobloc priming pump and the bypass priming at the main reflux valve near the manifold. Job also includes repair to exposed portion of 400mm dia MS Rising Main at multiple spots along whole length of the rising main by using good quality welding electrodes, tools and tackles as per site requirement at LIS Talwara. Complete painting of all pipes i.e. suction pipes, delivery pipes along with valves. Job includes removal of old paint, dust by using sand paper, wire brush and thin metal strips etc then applying one coat of red oxide primer and drying up completely, then applying two coats of black paint/ black synthetic enamel completely. Complete replacement of old damaged electric wire and electrical parts by complete electrification by way of providing / fitting of standard quality material as per site requirement for lighting circuits, heating circuits etc. Extraction / removing of old damaged temporary wiring along with damaged switch, socket etc. Providing of point wiring with 1.5 sq mm or equivalent copper cable for light / fan points / socket points approximately 10 nos. inside and outside pump room in PVC Batton/pipe as per site requirement. The job also includes providing and fitting of gang boxes, switches, sockets, holders,8 LED bulbs 30 watt each, Flood light- 04 nos of 100 watt each with all fittings for anchoring at suitable place, wall mounted fan-02 no., main switch 32 Amp. -1 No., tape rolls, nails, screw, hooks, steel wire, etc. Providing/fitting of flood lights on all the four walls outside the pump room with proper on off switch mechanism. Job also includes providing/fitting of one Bullet/Dome camera (minimum 4 mega pixel) at entrance to pump room near shutter outside pump room fitted on wall, one Bullet/Dome camera (minimum 4 mega pixel) at backside of pump room near main reflux valve outside pump room fitted on wall, two Dome cameras (minimum 4 mega pixel) fitted on wall inside pump room as per monitoring requirement at site. All the cameras should be of IP66/IP67 rating (waterproof) with high-definition resolution, with proper Night vision (IR LEDs or Starlight cameras). The recording and storage of CCTV Cameras should be NVR/DVR (Network Video Recorder/Digital Video Recorder) with minimum 2 TB HDD. All the CCTV Cameras should be sound recordable type as well and should be wired with appropriate material wiring and fitted with all accessories and material required for its working as per site requirement at LIS Talwara. Job involves providing of two good quality/reputed make plastic chairs, two shock proof Gloves etc. of reputed make at LIS. Design, Fabrication, Providing/Fitting of Galvanized Iron shutter to pump house in place of old completely flood damaged shutter. The Job involves dismantling of damaged collapsed shutter parts and providing of new shutter of width 8’7’’x height 10’1’’ approximately of heavy-duty type with Center Dotted Lock (Dotted Key System) fitted at the middle bottom slat of the shutter. Job also includes providing/fitting of Double Bottom Locks (Dotted Key System) fixed at the extreme left and right bottom ends as per site requirement. The rolling shutter should be hand operated type (crank operated shutter/manual coil shutter). The locks at center, extreme left and extreme right are provided by way of digging of the earth of proper size required as per lock arrangement for creation of platform for anchorage the locking mechanism under the shutter using tools and tackles and manual labour, extraction of soil and dumping it away from the pump room. Filling the plinth/platform with concrete mixture (1:2:4) prepared at the site and as per site requirement for lock fitting. The job also involves embedding the part of lock mechanism inside the cement concrete mixture at appropriate spot, for strengthening the position also welding it by angles to the bottom of shutter guides or another suitable appropriate spot. Welding the other half of locks on the appropriate spot on the shutter with good quality welds. Job also involves removing of old window shutters, MS Grill Bars from the window frames/ventilator frames. Then providing, welding, fitting of 20 mm MS grills bars in the window and ventilator frames with in between spacing of 80 mm approx. to fit a total opening of 6 feet X 6 feet (approx.) of window and two ventilators of 6 feet x 1feet 6 inch each (approx.). The Job involves cutting of old damaged unbroken MS bars and cleaning of the window and ventilator frames using wire brushes, emery paper etc. before welding of the new bars using good quality electrodes and fine workmanship. Job then involves providing of three window shutters fabricated out of suitable MS angle and covered/welded over by 3mm thick mild steel sheet to cover a total opening of 6 feet X 6 feet (approx.) with proper lock arrangement from inside the pump room. The window shutters should open towards outside the pump room. Job also involves painting of mild steel bars, mild steel sheets, frames etc. by first applying one coat of primer drying it completely and then applying two coats of approved colour paint. Providing and laying of rubber mat with minimum thickness 25 mm of good quality rubber material in the pump room of LIS Talwara in front of electromechanical machinery for purpose of safe operation, covering total area of 100 Square feet approximately. Providing, Fitting, Installation, Testing and commissioning of 2KW Inverter along with two batteries 150 AH each of reputed make for working of all four CCTV Cameras, flood lights and LED Bulbs etc. Job also involves construction of heavy duty MS framework structure for inverter battery system properly fixed in position at a suitable place in the pump room and with proper locking arrangement as per site requirement. The entire work includes cost of material, skilled, semi-skilled and unskilled labour charges, transportation charges, design, installation, testing and commissioning charges, headload charges up to the site of work keeping in view the difficult hilly terrain between the road side and the pump room, hire charges of tools and tackles required for the job inclusive of all taxes as applicable including rebate on old parts. Complete Job