REPAIR AND MAINT OF DG SET, AMF PANELS, LT SERVO STABILIZER AND CONNECTED WORKS AT OLD AIR FIELD UNDER GE 970 EWS

Amount

Service Charges for Carrying out 'C' Check maintenance for DG sets from authorised rep or service engineer from the OEM of DG set of Kirloskar / Cummins / Mahindra make of 100 to 200KVA capacity installed at various loactions, incl injector & valve tappet setting, checking of vibration damper, checking turbocharger, oil leakage, tightening mounting screws & nuts, replacement of filters & oil, checking inlet & Exhaust manifold cap, screws, checking of fan hub & water pump, removing the existing unserviceable engine oil , clean the oil sump and refilling with required quantity of new oil & coolant top up, charging of battery, filling of distilled water, cleaning of radiator fins by using blower / inside tank with solution (caustic soda with water) to the entire satisfaction of Engr-in-charge, trial & testing etc. (Note: (1) New spares required for 'C' check will be measured and paid seperately as supply only. (2) The 'C' Check Maint spares, engine oil, Coolant, caustic soda solution (restore plus) will be measured and paid separately under relevent item of this schedule 3. Any other check as per manufacturer's instructions / Engr In charge direction shall be carried out by the contractor and the same may be included in the quoted rate and directed by Engineer-in-charge.

Supply only Kit, fuel filter (Primary, secondary & super bye pass) and ring complete for 100 to 200 Kva DG set.

Supply only Element for Lubrication oil filter for 100 to 200 Kva DG set.

Supply only Seal, O Ring for 100 to 200 Kva DG set.

Supply only Element Air Cleaner for 100 to 200 Kva DG set.

Supply only Tappet cover Gasket for 100 to 200 Kva DG set.

Description all as per item No 1.00 above but DG set of 62.5 to 82.5 KVA capacity -ditto-

Supply only Kit, fuel filter (Primary, secondary & super bye pass) and ring complete for 62.5 to 82.5 Kva DG set.

Supply only Seal, O Ring for 62.5 to 82.5 Kva DG set.

Supply only Air Cleaner element for 62.5 to 82.5 Kva DG set.

Supply only Tappet cover Gasket for 62.5 to 82.5 Kva DG set.

Description all as per item No 1.00 above but for 30/35KVA capacity -ditto-

Supply only Kit, fuel filter (Primary, secondary & super bye pass) and ring complete for 30/35 Kva DG set.

Supply only Seal, O Ring for 30/35 Kva DG set.

Supply only Air Cleaner element for 30/35 Kva DG set.

Supply only Tappet cover Gasket for 30/35 Kva DG set.

Description all as per item No 1.00 above but for 20/25 KVA capacity -ditto-

Supply only Kit, fuel filter (Primary, secondary & super bye pass) and ring complete for 20/25 Kva DG set.

Supply only Seal, O Ring for 20/25 Kva DG set.

Supply only Air Cleaner element for 20/25 Kva DG set.

Supply only Tappet cover Gasket for 20/25 Kva DG set.

De-scaling of radiator assembly by carefully removing from the engine, transporting to the workshop (if required) and removing the sediments, scales and rust etc by means of acid cleaning, high pressure water washing and air cleaning, arresting the leakages by gas welding / soldering with suitable material at workshop or at site, re-assembling the same with new gaskets including replacement of radiator cap (wherever required) and fixing to the engine for DG Set of capacity from 100 TO 125 KVA complete all as specified and directed by Engineer-in-Charge.

Description all as per item No 22.00 here-in-before but for DG Set of capacity 62.5 to 82.5 KVA -ditto-

Description all as per item No 22.00 here-in-before but for DG Set of capacity upto 30/35 KVA -ditto-

Taking down the defective radiator assy from the position transport to work shop removing the damaged cooling fin layer, supply and fix single layer radiator fin assy of complete set made up of copper fins and tube suitable for 82.5 to 125 KVA DG set of any make incl bracing work in any layer for the same all as directed.(Note : Each layer of cooling fin shall be measured and paid separetely)

Supply & filling Coolant concentrate Superkool xtra as required in the DG oil sump all as directed.

Supply & filling Engine Oil Premium Blue 15 W 40 grade API CI 4 PLUS / Kirloskar engine oil as required in the DG oil sump all as directed.

Supply & chelating cleaner Restore Plus solution Part No. AX1001098 Make : Cummins for engines cooling system all as directed.

Dismantling the defective alternator / field winding of any capacity from the existing foundation and from Engine after removing all electrical connections, transporting to approved / authorised / directed workshop, opening and taking out burnt winding, cleaning the stator assy rewinding with super enameled copper wire as per existing gauge as per original manufacturer and applying insulating varnishing of ‘F’ class, baking in oven re-assembling the alternator, transporting back to site re-installing the same position, carrying out alignment of complete DG set connecting up all electrical connections testing and commissioning complete. Note : - (a) Rate quoted shall be deemed to be inclusive of making good the disturbed surfaces. (b) The DG set shall be tested on load as per rated capacity for the satisfaction of Engineer- in- Charge to achieve designed parameters.

S & F in repair door hinges for canopy of any capacity of DG set door including nut, bolt, drilling of hole, welding as per directed.

Dismantling the old and unserviceable DG Set rubber hose pipe complete set suitable for 20 to 62.5 KVA DG set of any make and type and replacing the same with of existing size and equal length for any capacity DG Set including both side hose clamp, with nut, bolt and washers as required , etc as directed by the Engineer in Charge .

Description all as per item No 31.00 here in before but for 82.5 TO 125 KVA DG set -ditto-

Supply and connect battery lead (not less than 1.00 m long each) made out of PVC Insulated Plain/Striped Automobile Cables with high conductivity bright annealed copper conductor bunched together, insulated with dielectric grade PVC compound (impervious to oils, greases, acids, petrol and water) conforming to IS 2465 of size 25 sqmm soldered one end with copper/brass connector with nuts and bolts for battery pole and the other with copper lug for self starter terminal including taking down of existing u/s battery lead with connector and lug of any description complete all as specified and directed by Engineer-in-Charge.

Supply and fixing in replacement rectifiers diodes for 30/125 KVA DG sets.

S & F in repair battery charging unit panel mounted automatic operated electronically 24 Volts DC out put and 230 volts incoming AC , as per the existing make and size to accomodate in the space provided in the AMF panel board .

Supply and fix in repair maintenance free battery 12V, 180 AH for DG set including initial filling & Charging complete all as specified and directed by Engineer-in-Charge.

Description all as per item No 36.00 here-in-before but of rating 12V, 150 AH -ditto-

Description all as per item No 36.00 here-in-before but of rating 12V, 80/90/100 AH -ditto-

Dismantling the unserviceable Dynamo / Alternators 12/24 volts and rewinding with ‘F’ class copper wire of 22 /existing gauge incl dismantling the old coil, cleaning thoroughly and winding with super enamelled copper cord of existing size and gauge, varnishing, drying etc and re fixing with dynamo/alternator properly including testing on completion complete all as specified and directed by Engineer-in-Charge.

Dismantling the defective Dynamo /Alternators 12/24 volts and necessary repair with replacement of defective spares such as, carbon brushes, carbon spring, bearing, bushes, defective wiring, and soldering after re-fixing at site complete all as specified and directed by Engineer-in-Charge.

Dismantling the defective self starter assembly 12V/24V carefully from the DG set and carryout repair and servicing by cleaning all accessories with suitable cleaning agent and supply and replace commentator, carbon brush set, carbon brush holder, king pin holder, armature choke nut, body screens, clutch plate assay and solenoid etc re-assembling and re-fixing the same and testing on completion for DG set of capacity from 100 to 200 KVA complete all as specified and directed by Engineer-in-Charge.

Description all as per item No 41.00 here-in-before but for DG set of capacity from 62.5 to 82.5 KVA -ditto-

Description all as per item No 41.00 here-in-before but for DG set of capacity from 20/35 KVA -ditto-

M&L for providing new AVR unit suitable for 82.5 TO 125 KVA DG Set size in repairs ie taking down of old AVR unit, complete all as specified and as directed by Engineer -in-charge. Make: Kirloskar/cummins/stanford

Description all as per item No 44.00 above, but for 20 to 62.5 KVA DG set -ditto-

Dismantling the old and unserviceable DG Set Diesel/oil pressure pipe of existing size and replacing the same with of existing size and equal length of 20 KVA to 62.5 KVA DG Set including both side hose clamp , etc as directed by the Engineer in Charge .

Dismantling the defective exciter of DG set of any capacity from the existing foundation and engine after removing all electrical connections, transporting to workshop rewinding the burn out coil complete with super enamelled copper wire rewinding, applying insulating varnish of 'F' class baking in oven reassembling the alternator, transporting back to site, re-installing the same carrying out alignment of complete DG Set connecting up all electrical connections, testing & commissioning complete.

Supply and fixing in repair digital type Amp/volt meter square type up to 3 Phase AC 50 HZ, 500 volts of and connecting complete .

supply and fixing in repair lamp indicator assy LED lamp type 230 volts AC .

Supply and wrap asbestos rope of 10 mm dia of superior quality over silencer of DG sets including taking down of existing unserviceable rope complete all as specified and directed by Engineer-in-Charge. Note: Straight length of silencer is measured for the purpose of payment

S&F in replacement fan belt suitable for 82.5 TO 125 KVA DG Set as per existing model and size including dismantling the old one.

Description all as per item No 51.00 above but for 20 KVA to 62.5 KVA DG Set as per existing model and size including dismantling the old one.

S & F in replacement self starter 12V/24V with solenoid switch assy complete set as per existing make of DG Set 20 to 63 KVA all as directed.

S & F in replacement self starter with solenoid switch assy complete set as per existing make of DG Set for 82.5/125 KVA all as directed.

S & F in replacement Dynamo / Alternator assy 12 / 24 Volts of existing type and capacity suitable for DG set of 20 to 125 KVA capacity incl necessary elect connections all as directed.

S & F in replacement solenoid switch complete set as per existing size and make of DG Set 20 to 125 KVA DG Set all as directed.

S & F in replacement magnetic speed censor assy suitable as per existing make of DG sets .

S & F in replacement Electronic Speed control unit suitable for 20 to 125 KVA Capacity of any make DG sets incl neccessary connections and testing complete all as directed.

Dismantling and taking out the defected speed Governor unit with fuel injector pump assy from the DG set of capacity 100 to 125 KVA, transport to authorised work shop, cleaning the Fuel injector, Nozzle, calibration in test bench re-assembling into the DG set with necessary new gaskets/ nut, bolt and washer and testing complete all as directed. Note : The cost of spares like new injector / nozzle / gasket / seal / nut, bolt and washers are deemed to be included in the quoted rates.

Description all as per item No 59.00 here-in-before but for DG set of capacity 62.5 /82.5 KVA -ditto-

Description all as per item No 59.00 here-in-before but for DG set of capacity 20/ 35 KVA -ditto-

Taking down unserviceable engine wiring and M&L for rewiring of engine safety control system from control panel to engine control gadgets like HWT, LLOP, shut down valve, dynamo & self-starter etc for DG set of capacity from 100 to 125 KVA complete all as specified and directed by Engineer-in-Charge.

Description all as per item No 62.00 here-in-before but for DG set of capacity from 62.5 to 82.5 KVA -ditto-

Description all as per item No 62.00 here-in-before but for DG set of capacity upto 35 KVA -ditto-

S & F in repairs self starter push button / or with Key arrangement for DG starting suitable for Kirloskar / Cummins DG sets all as directed.

S & F in repairs micro processor based DG control unit suitable for 20 to 125 KVA Capacity as per existing make of DG sets incl neccessary connections and testing complete all as directed.

S & F of distilled water in the DG battery all as directed.

S & F in repairs Feed pump unit, hand operated for 20 to 125 KVA capacity DG sets

M & L for opening the cylinder head of the engine and oil sump carefully for replacement of head gasket including sump gasket complete refixing the head and sump to arrest oil leakage with engine complete with proper alignment and testing the engine for 1 hrs on load to achiveve designed parameters all as directed by Engineer-in-Charge of capacity 20 KVA to 125 KVA.

M&L for isolating, disconnecting and transporting the Servo voltage stabilizer of capacity 25 KVA to 100 KVA workshop for repair, strip opening of stabilizer for inspection and acertaining 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 marking SM/MES No., transporting back to site, reinstallation and testing on load complete all as specified and directed by Engr-in-Charge. (Note:- Parts required for replacement will measured and paid seperately under respective items.)

Supply and fix in repair of LT current transformer ratio as per existing rating in LT panels complete all as specified and directed by Engr-in-Charge.

Supply and fix in repair PCB Card/Plate for automatic voltage correction suitable for servo stabilizer of capacity upto 25 KVA to 75 KVA as per site requirement for type and make complete all as specified and directed by Engr-in-Charge.

Description all as per item No 73.00 here-in-before, but of capacity 100 to 250 KVA complete all as specified and directed by Engr-in-Charge.

Taking down old burnt out winding and replacement of same for stabilizer oil immersed type of capacity 25 KVA to 250 KVA by using suitable gauge super enamelled copper conductor as per existing winding complete all as specified and directed by Engr-in-Charge.

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 for LT/HT AVR/Servo voltage stabilizer upto BDV not less than 50 KV all as specified and directed by Engr-in-Charge.

Supply and fix in replacement cast iron dimmer gear set for automatic voltage correction capacity 25 KVA to 250 KVA with as per site requirement for type and make complete all as specified and directed by Engr-in-Charge.

Supply and fix in replacement micro limit switch with cam lever complete for servo stabilizer of capacity 25 KVA to 250 KVA as per site requirement for type and make complete all as specified and directed by Engr-in-Charge.

Supply and fix in replacement of servo motor synchronous type of torque capacity 10 Kg for automatic voltage correction suitable for servo stabilizer of capacity 25 KVA to 250 KVA as per site requirement for type and make complete all as specified and directed by Engr-in-Charge.

Supply and fix in replacement servo dimmer booster coil for automatic voltage correction suitable for servo stabilizer of capacity 25 KVA to 250 KVA as per site requirement for type and make complete all as specified and directed by Engr-in-Charge.

Supply and fix in repair Carbon brush with holder assembly for servo stabilizer of capacity 25 KVA to 250 KVA as per site requirement for type and make complete all as specified and directed by Engr-in-Charge.

Supply and fix in repair bush rod brass for servo stabilizer of capacity 25 KVA to 250 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 25 KVA to 250 kVA complete all as specified and directed.

Supply and fix in replacement of over load relay for 25 to 250 KVA voltage stabilizer complete all as specified and directed by Engr-in-Charge.

Supply and fix in replacement of graphite carbon bursh suitable for Servo voltage stabilizer of any capacity, complete all as specified and directed complete all as specified and directed.

Supply and fix in replacement of Capacitor of capacity 1.42 to 4.0 MF + 5%, 440V, AC 50Hz, complete all as specified and directed by Engr-in-Charge.

Supply and fix in replacement of Pinion with gear (Medium) suitable for servo stablizer of any capacity, complete all as specified and directed by Engr-in-Charge.

Supply and fix in replacement of Pulsing Transformer heavy duty suitable for servo stablizer of any capacity, complete all as specified and directed by Engr-in-Charge.

Supply and fix in replacement of Control Transformer heavy duty sutiable for servo stablizer of any capacity, complete all as specified and directed by Engr-in-Charge.

Supply and fix in replacement Off Load change over switch 100 Amps, 4 Pole made out of Sheet steel enclosure side operated including replacement of incoming and outgoing lugs and fixing arrangement on panel/wall complete all as specified and directed by Engr-in-Charge.

Supply and fix in replacement Off Load change over switch 200 Amps, 4 Pole made out of Sheet steel enclosure side operated including replacement of incoming and outgoing lugs and fixing arrangement on panel/wall complete all as specified and directed by Engr-in-Charge.

M&L for earthing in replacement complete 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 40mm 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.

Attending of complant duly finding of fault or defects in enging/alternator/ AMF panel and rectification of defects including checking microprocessor based AM control panel and connected programmed safety all contactors/contacts for proper auto functioning and rectifying the faults/ faulty components by replacing with new spares and setting the relays setting of programming of operating parameters and safety limits (if required) etc complete all as specified and directed by Engineer-in-Charge. Note :- Spare parts required to make serviceable will be measure and paid separately under respictive items of BOQ/Sch A.

Service Charges for Carrying out the 'B' Check maint from authorised rep or service engineer from the manufacturer of DG set of Engine Greaves /Kirloskar/Cummins of 100 to 125 KVA checking of vibration damper, checking turbocharger, oil leakage, tightening mounting screws & nuts, replacment of filters, checking inlet & Exhaust manifold capscrews, checking of fan hub & water pump, toping up level the existing engine oil, coolant top up and in replacement, supplying & fixing of following spares :- (a) Kit, fuel filter and ring 01 set (b) Element for Lubrication oil filter 01 set (c) Kit, Element of super bypass filter 01 set (d) Seal, O Ring 01 set Note :- 'B' check shall be carried out on run of 500 hrs or 03 months which ever is earlier.

Description all as per item No 95.00 above but DG set of 62.5 to 82.5 KVA capacity -ditto-

Description all as per item No 95.00 above but DG set of 25 to 30 KVA capacity -ditto-

Description all as per item No 95.00 above but DG set of 20 KVA capacity -ditto-

Excavation in trenches not exc 1.5 M wide and not exc 1.5 M in depth and getting out in soft/loose soil or hard/dense soil for taking up or laying of cable all as specified and directed.

Returning, filling in including spreading, levelling, watering and well ramming in layers not exceeding 25 cms complete all as specified and directed.

Removal of surplus soil not exceed to a distance of 50M where directed at a level not exc . 1.5M above the starting point complete all as specified and directed.

Supply and laying dry river sand laid in trenches as cable cushioning and covering complete all as specified and directed. Note : Punned thickness only measured and paid

M & L for brick well burnt locally available sub class 'B' laid over sand cushioning to cable in trenches keeping width of brick parallel to the length of cable complete all as specified and directed.

Supply and lay in replacement cable XLPE Insulated screened PVC bedded, galvanized steel strip or wire armored, electric power cables (heavy duty) 1100 Volts grade with stranded aluminium conductor of size 16 sq mm 4 Core along with suitable size aluminium cable lugs and jointed in any description complete all as specified. Note - Excavation, earthwork, sand cushioning and brick protection shall be measured and separately.

Description all as per item No 104.00 but of size 3.5 Core x 35 Sqmm

Description all as per item No 104.00 but of size 3.5 Core x 50 Sqmm

Description all as per item No 104.00 but of size 3.5 Core x 70 Sqmm

Description all as per item No 104.00 but of size 3.5 Core x 95 Sqmm

M/s Jaipal Associates

M/S Noor Mohammad Shalla

sahni construction co

M/S M.Y Enterprises

YATTOO ENTERPRISES

FIRDOUS AHMAD BABA

M/S B A Traders

M/s Habib Electronics