REPAIR AND MAINTENANCE OF DG SETS AND PANELS OF VARIOUS CAPACITY INCLUDING LT VOLTAGE STABILIZER AIR WATER HEATING PLANT AT JAK LI RC UNDER GE 970 EWS

Amount

Disconnecting the engine from base & alternater and dismantling of the top section, top overhauling including replacement of worn out spare parts with new parts, re-assembling, re-connecting with alternator including testing to entire satisfaction of Engr-in-charge for 125 KVA capacity of DG set any make. complete, all as specified and directed Note :- New Spare parts will be measured and paid seperately.

All as per item No.1 above but for 32.5 KVA to 75 KVA capacity.

Supply only Piston with Gudgeon pin and lock for DG set of 125 KVA capacity.

Supply only cylinder liner with liner ring for DG set of 125 KVA capacity

Supply only piston ring set for DG set of 125 KVA capacity

Supply only gasket set with ‘O’ ring set for 125 KVA capacity of DG Set

Supply only inlet/exhaust valve pair for 125 KVA capacity of DG Set

Supply only main bearing set for DG Set of 125 KVA capacity

Supply only in replacement main oil seal (Rear & Front) for DG Set of 125 KVA capacity

Supply only copper head gasket for DG Set of 125 KVA capacity

Supply only for water pump repair kit for DG set of 125 KVA capacity

Supply only hose pipe joint set for DG set of 125 KVA capacity

Supply only flexible coupling for DG set of 125 KVA capacity

Supply only cam shaft as required 125 KVA DG set of any make and model including testing complete all as specified and directed.

Supply only connector rod as required 125 KVA DG set of any make and model complete all as specified and directed.

Supply only Piston with Gudgeon pin and lock for DG set of 32.5 to 75 KVA capacity.

Supply only cylinder liner with liner ring for DG set of 32.5 to 75 KVA capacity

Supply only piston ring set for DG set of 32.5 to 75 KVA capacity

Supply only gasket set with ‘O’ ring set for 32.5 to 75 KVA capacity of DG Set

Supply only inlet/exhaust valve pair for 32.5 to 75 KVA capacity of DG Set

Supply only main bearing set for DG Set of 32.5 to 75 KVA capacity

Supply only in replacement main oil seal (Rear & Front) for DG Set of 32.5 to 75 KVA capacity

Supply only copper head gasket for DG Set of 32.5 to 75 KVA capacity

Supply only for water pump repair kit for DG set of 32.5 to 75 KVA capacity

Supply only hose pipe joint set for DG set of 32.5 to 75 KVA capacity

Supply only flexible coupling for DG set of 32.5 to 75 KVA capacity

Supply and fixing in replacement lub oil filter for DG Set of 32.5 to 75 KVA capacity

All as per item No. 27 above but for 125 KVA capacity

Supply and fixing in replacement fuel filter for DG Set of 125 KVA capacity

All as per item No. 29 above but 125 KVA capacity

Supply and fixing in replacement fan belt for DG Set of 125 KVA capacity

All as per item No. 31 above but for 32.5 KVA to 75 KVA capacity.

Cutting, grinding and polishing of crank shaft as required size 125 KVA DG set including taking out, transportation, reassembling and testing complete all as specified and directed.

All as per srl item No 33 here-in-before, but capacity 32.5 KVA to 75 KVA DG Set.

Supply only connector rod as required 32.5 to 125 KVA DG set of any make and model complete all as specified and directed.

Supply only in replacement head gasket with ‘O’ ring for 125 KVA capacity of DG Set

All as per item No. 36 above but for 32.5 KVA to 75 KVA KVA capacity

Supply only in replacement began for 125 KVA capacity of DG Set

All as per item No. 38 above but for 32.5 KVA to 75 KVA capacity

Supply only in replacement main bearing for 125 KVA capacity of DG Set

All as per item No. 40 above but for 32.5 KVA to 75 KVA capacity

Extracting burnt /unserviceable valve seats 125 KVA DG set and re-fixings after cutting grinding and polishing as per new valves including head facing and transporting to and from work shop complete all as specified and directed.

All as per srl item No 42 above but capacity 32.5 KVA to 75 KVA DG Set.

Dismantling and taking down unserviceable fuel injector pump transporting to work shop for the following repairs DG sets transporting back to site re-fixing and testing after completion, complete, all as specified and directed.

Calibration and complete repair of fuel injector pump of DG set 125 KVA (Pressure type) on work bench pressure supply of fuel as per standard procedure and testing complete.

All as per srl item No 45 here-in-before, but capacity 32.5 KVA to 75 KVA DG Set.

Dismantling and taking down unserviceable fuel injector nozzle transporting to work shop for repairs transporting back to site re-fixing and testing after completion, complete, all as specified and directed.

Overhauling and testing of injector nozzle on test bench for fine mist spray including replacement unserviceable parts for DG set of capacity 125 KVA complete all as specified and directed.

All as item no. 48 here-in here-in-before but for 32.5 KVA to 75 KVA DG set.

Taking down turbo charger carefully dismantling and replacement of complete turbo charger and re-fixing to its original position complete all as specified and directed for 125 KVA DG set.

Taking down radiator complete from its mounting, dislodging top and bottom tank, cleaning complete tube by descaling solution and finally re-installing in original position, complete, all as specified and directed for 32.5 KVA to 125 KVA.

Preparation and Painting of complete DG set including frame by two coats of enamelled paint as per colour code by spray painting and marking etc complete, all as specified and directed for 20 KVA.

Dismantling alternator from the engine base for repairing including transporting to workshop, reinstalling, reconnecting with engine including testing on load for 20 to 32.5 KVA DG set, complete, all as specified and directed.

All as item no. 53 here-in here-in-before but for 125 KVA DG set.

Rewinding of alternator with super enamelled copper wire after taking out old wire including cleaning the alternator slots, varnishing, sleeves, cotton tape and heating etc. for DG Set of capacity 125 KVA complete, all as specified and directed.

All as per srl item No 55 here-in-before but for 32.5 KVA to 75 KVA DG set.

Dismantling, rewinding of field coils of alternator with super enamelled wire including varnishing and heating including reassembling and testing for capacity of DG Set 125 KVA , complete, all as specified and directed.

All as item No 57 here-in-before, but for 32.5 KVA to 75 KVA DG set

Dismantling and taking down unserviceable self starter transporting to work shop for the repair and transporting back to site after complete repairs and re-installation at site and testing after completion, complete, all as specified and directed.

Repair to self starter including rewinding the coil winding, bearing pinion bush solenoid switch carbon brush and holder including transporting back to site, re-installing and testing for 125 KVA capaciity DG Set complete all as specified and directed .

All as item No 60 here-in-before, but for 32.5 KVA to 75 KVA DG set.

Dismantling and taking out old dynamo and transporting to workshop for repair and transporting back to site after complete repair, reinstalling at site and testing complete all as specified and directed.

Repair to Dynamo of 125 KVA DG Set including rewinding of coil, replacement of GM Bush, housing plate, cutout plate and transporting back to site, re-installation connecting and testing complete all as specified and directed.

Supply and fixing in replacement 12 V self starter for 32.5 KVA to 75 KVA DG set complete all as specified and directed.

Supply and fixing in replacement 12 V self starter for 125 KVA DG set complete all as specified and directed.

Supply and fixing in replacement dynamo for 32.5 KVA to 75 KVA DG set complete all as specified and directed.

Supply and filling in replacement of engine oil including cleaning of engine oil chamber and replacement of gasket etc, complete, all as specified and directed.

Supply and fixing in replacement of high pressure fuel pipe complete with brass nuts etc complete for DG Set of any capacity any make as per site requirement, complete, all as specified and directed.

Supply and fixing in replacement of temperature guage complete for DG Set of any capacity any make, complete, all as specified and directed.

Replacement of digital voltmeter 0 to 500 volts 96x96mm flush type incl taking out the old unserviceable complete all as specified and directed.

Replacement of LT current transformer ratio as per existing rating in LT panels incl taking out the old unserviceable complete. Make:- L&T/AE.

Material and labour for earthing complet with galvanised steel earth plate electrode 60cmx 60cmx 6.00 mm thick buried directly in ground (Earth pit not less than 2.25 metre below normal ground level) with top edge of the plate not less than 1.5 metres below normal ground level, connected and including GI strip 32mm x 6mm by means of GI bolts, nuts, check nuts and washers, earth plate surrounded by packed alternate layers of coal dust and common salt 15cm thick, all around top and bottom and watering pipe 20mm bore of GI pipe light grade with funnel and wire mesh and 50mm bore GI pipe light grade for protection of GI strip 32mmx6mm from top of earth plate upto test point (upto 7.5metre in length) connected with suitable size of GI nuts, bolts and washers all as shown in Electrical plate No. 3 of SSR Part-I, testing on completion including excavation/earth work in any type of soil/rock, PCC chamber (1:3:6) using 20mm graded stone aggregate and 50mm thick RCC (1:2:4) type B-1 cover slab reinforced with 8mm dia TMT steel bars @ 100mm c/c both ways with suitable handle for lifting arrangement & including formwork and MS frame using MS angle iron 40x40x6mm complete all as specified and directed. Note :- Earth pit shall be constructed 50cm from the side of excavation to avoid sinking of pit.

Supply and Fixing off Load change over switch 200 Amps, 4 Pole made out of Sheet steel enclosure including replacement of incoming and outgoing lugs and fixing arrangement on panel/wall complete after taking down old one all as specified and directed.

All as per srl item No. 74 here-in-before, but of 315 Amps capacity.

Supply and fixing in repairs of AVR suitable for DG set of capacity 32.5 KVA to 125 KVA.

Supply and fixing in repairs solenoid with ignition key as per existing suitable for DG set of capacity 32.5 KVA to 125 KVA.

Supply and fixing in repair Air filter suitable for DG set of capacity 32.5 KVA to 125 KVA.

Matarial and labour for Cleaning of air heating plant and plant room, greasing, oiling of all parts of plants like pump, motor, switch, checking of nut bolt, serviceability of pump, motor, solenoid switch, duct, temperature gauge, timer, panels, blower, relay and all other parts of air heating plants 50000 kcal per hr-12 NoS, 200000 KCal Per Hr-03 nos, water heating plant of 200000 kcal per hr to 300000 kcal per hr-09 Nos; and rectify all minor maintenance work at site and report to deparment for major fault occurs in any part of plant Immediately on daily basis during running period of plant i.e. from 01 Nov 2020 to 30 April 2020 (8 hr per day) complete, all as specified and directed. Note: (i) Plants shall be run by user from 01 Nov 2019 to 30 Apr 2020. (ii) Contractor shall provide 1 x Experienced mechanic and 1 x helper for above mentioned work on daily basis for one shift of 08 hr including sunday holiday for above mentioned work.

Dismantling the complete fuel injector pump of air heating plant, transporting to trade workshop for repairs and back refixing the same after satisfactory repairs, re-installation and testing complete, all as specified and directed.

Material and labour for Calibration and complete repair of fuel injection pump of air heating plant on work bench for fine spray and machining work and refixing the same for satisfactory functioning, comlete, all as specified and directed.

Dismantaling the fuel injector pump complete of water heating plant of capacity 1000 to 3000 ltrs taking to trade workshop for repair and refixing the same after satisfactory repair comlete all as specified and directed.

Material and labour for Calibration and complete repair of fuel injection pump of water heating plant on work bench for fine spray and machining work and refixing the same for satisfactory functioning, comlete, all as specified and directed.

Supply and fixing in replacement nozzle tip air heating plant as per existing size and testing after repairs, complete, all as specified and directed.

Supply and fixing in replacement nozzle tipWater heating plant as per existing size and testing after repairs, complete, all as specified and directed.

Supply and fixing in replacement pressure meter air heating plant and central water air heating plant as per existing size and testing after repairs, complete, all as specified and directed.

Supply and fixing in replacement fuel filter suitable air heating plant as per existing size and testing after repairs, complete, all as specified and directed.

Supply and fixing in replacement fuel filter suitable water air heating plant as per existing size and testing after repairs, complete, all as specified and directed.

Supply and fixing in replacement heavy duty PVC both side Nut type pipe 24 Each water heating plant as per existing size and testing after repairs, complete, all as specified and directed.

Supply and fixing in replacement heavy duty PVC fuel pipe of air heating plant as per existing size and testing after repairs, complete, all as specified and directed.

Supply and fixing in replacement solenoid switch for air heating/water heating generator as per existing size and testing after repairs, complete, all as specified and directed.

Supply and fixing in replacement ball valve 15mm size, complete, all as specified and directed.

Supply and fixing in replacement burner gasket air heating plant/water heating generator as per existing size and testing after repairs, complete, all as specified and directed.

Supply and fixing in replacement of electronic temprature gauge for air/water heating plant as per existing size and testing after repairs, complete, all as specified and directed.

Supply and fixing in replacement of photo sensor long type in air/water heating plant as per existing size and testing after repairs, complete, all as specified and directed.

Supply and fixing in replacement fire proof current lead air/water heating plant as per existing size and testing after repairs, complete, all as specified and directed.

Supply and replacing indicator assembly, complete, all as specified and directed.

Supply and replacing bimetallic overload relay 4.0 - 6.5 Amps type ML, complete, all as specified and directed.

Supply and fixing in replacement of Ignition transformer of burner for air/water heating plant as per existing size and testing after repairs, complete, all as specified and directed.

Supply and fixing in repair timer 3 to 30 sec make GIC, complete, as per existing size and testing, complete all as specified and directed.

Supply and fixing in repair fan belt size 1410 A or as per existing size and testing, complete, all as specified and directed.

Cleaning the chimney of Air heating plant from inside with wire brushes and removing away all carbon deposits and pointing the outer surface of the chimney with two coats of heat proof black paint after preparing the surface for repainting, complete, as specified and directed.

Cleaning the Hot water Genrator heating plants dislodging Top and Bottomtubes removing all deposites particles dust carbon etc capacity 1000 to 3000 Ltrs, complete, as specified and directed.

Dismantling fan blower tank of water heating plant, cleaning properly by removing all deposited particles, dust, carbon etc and replacing the cracked glass wool and gasket, complete, all as specified and directed.

Dismantling fan blower tank of air heating plant, cleaning properly by removing all deposited particles, dust, carbon etc and replacing the cracked glass wool and gasket, complete, all as specified and directed.

Supply and fixing in repair 40mm dia safety valve or as per existing size, complete all as specified and directed.

Disconnecting and taking out UNSV 3 phase electric motor of 3 HP motor, transporting to civil workshop, dismantling carefully, cutting out burnt windings cleaning the slots, rewinding with super enamelled copper winding wire of appropriate gauge and weight including all insulating materials, varnishing, drying, heating etc including replacement of ball bearings as per existing, reassembling, transporting to site and refixing at original position, testing and commissioning, complete all as specified and directed.

Disconnecting and taking out UNSV 3 phase electric motor of capacity 10 HP motor, transporting to civil workshop, dismantling carefully, cutting out burnt windings cleaning the slots, rewinding with super enamelled copper winding wire of appropriate gauge and weight including all insulating materials, varnishing, drying, heating etc including replacement of ball bearings as per existing, reassembling, transporting to site and refixing at original position, testing and commissioning, complete all as specified and directed.

Taking down Old unseviceable burner J-14 and repairing/replacing with the following spare parts: - (a) Injector Pump single Fired - 01 No (b) USB relay Box of Make: Siemens - 01 No (c) Photo sensor Short typ - 01 No (d) Ignition Transformer of High Current Amp double lead -1 No (e) Electro Magnet Rod of Polarity Positive & Negative - 01 No (f) Nozzle tip 1.8 - 01 No (g) Burner motor with fan as per existing size - 01 No

Isolating, disconnecting and transporting the LT Servo voltage stabilizer of capacity 75 KVA workshop for repair, strip opening of stabilizer for inspection and accertaining the defects for repair & cleaning, servicing all serviceable acessories including reassembling after repair, preparation for and painting with two coats of synthetic enamel paint of approved colour and transporting back to site, reinstallation and testing on load complete all as specified and directed. (Note:- Parts required for replacement will be measured and paid seperately under respective items.)

Replacement of digital voltmeter 0 to 500 volts 96x96mm flush type incl taking out the old unserviceable complete.

Replacement of LT current transformer ratio as per existing rating in LT panels incl taking out the old unserviceable complete. Make:- L&T/AE.

PCB Card/Plate for automatic voltage correction suitable for servo stabilizer of capacity upto 75 KVA as per site requirement for type and make complete all as specified and directed.

Taking down old burnt winding and replacement of Booster coil 75 KVA -03 Nos Dimmer coil 200Ams -03 Nos, carbone brush 200 Ams-03 Nos, Digital micro processorcentral card, 10 Kg Togrg RC plate including leathriede paper cotton tape, winding varnishes etc for stabilizer oil immersed type of capacity 75 KVA by using suitable gauge super enamelled copper conductor as per existing winding all as specified and directed.

Supply of insulation transformer oil toping up into voltage stabilizer of different capacity complete with superior quality insulating oil BDV not less than 50 KV all as specified and directed by Engr-in-Charge.

Dehydration of transformer oil upto BDV not less than 50 KV all as specified and directed by Engr-in-Charge.

Cast Iron dimmer gear set for automatic voltage correction capacity 75 KVA with as per site requirement for type and make complete all as specified and directed.

Micro limit switch with cam lever complete for servo stabilizer of capacity 75 KVA as per site requirement for type and make complete all as specified and directed.

Replacement of indicator assembly LED type (RYB) in LT panel boards incl taking out the old unserviceable complete.

Replacement of servo motor synchronous type of torgue capacity 30 Kg for automatic voltage correction suitable for servo stabilizer of capacity 75 KVA as per site requirement for type and make complete all as specified and directed.

Servo Dimmer 200 Amps/ Booster 83 KAA coil for automatic voltage correction suitable for servo stabilizer of capacity 75 KVA as per site requirement for type and make complete all as specified and directed.

Carbon brush with holder assembly for servo stabilizer of capacity 75 KVA as per site requirement for type and make complete all as specified and directed.

Replacement of digital Amp meter of existing range and size 96x96mm flush type in servo stabilizers incl taking out the old unserviceable complete.

Supply and fixing in repair Bush rod brass for servo stabilizer of capacity 75 KVA as per site requirement for type and make complete all as specified and directed.

Taking down old unserviceable control wiring and replacement of control wiring using suitable gauge super enamelled copper conductor as per existing winding for stabilizer transformer oil immersed type of capacity 75 KVA complete all as specified and directed.

Replacement of graphite carbon bursh suitable for Servo voltage stabilizer of any capacity, complete all as specified and directed.

Replacement of Capacitor of capacity 1.42 to 4.0 MF + 5%, 440V, AC 50Hz, complete all as specified and directed.

Replacement of Pinion with gear (Medium) suitable for servo stablizer of any capacity, complete all as specified and directed.

Replacement of Pulsing Transformer heavy duty suiable for servo stablizer of any capacity, complete all as specified and directed.

Replacement of Control Transformer heavy duty suiable for servo stablizer of any capacity, complete all as specified and directed.

Repair / replacement and taking down unserviceable of wornt out items for AMF panel (Indoor type) suitable for 125 KVA DG set of following items :-

MCCB 250 A/36KA-4P As incomer for DG and mains

Power contactor as per existing - 3P -AC3 duty for phase

Power contactor for neutral as per existing A-3P -AC3 Duty

Microcontrolled based AMF Controller

Protection Relays

Control Relays

Control MCB 6A/ 6 KA

Digital voltmeter & accessories

Digital ammeter & accessories

RYB Phase indicators

Auto/Manual Switch

Annunciation Hooter

Annunciation Indicator

Push buttons for Manual operation

Supply & fix and replaced Battery charger suitasble for 24 volt, 180 AH for DG Set

M/S Noor Mohammad Shalla