REPAIR TO DG SETS OF VARIOUS E/M INSTALLATIONS AND MISC WORKS AT AF STN UDHAMPUR

Amount

Servicing of Diesel Engine Generating Set of capacity 320 KVA, Air Cooled (Make: Kirloskar), Servicing shall be deemed to include the following processes :- (a) Servicing of Engine (i) Re-greasing all grease points (ii) Tightening the nuts, bolts of pipe lines of fuel oil, lubricating oil, water and check for leakages. Examine all main connecting rod connections. (iii) Check water/coolant level in radiator and top up. (iv) Check crank case oil level. (v) Clean lubrication oil filters. (vi) Clean air filters. (vii) Check that lubricating oil contains no water. Examine lubricating oil and renew if needed. (viii) Check tappet clearance and all nuts for tightness. (ix) Wash felt pads of fuel filter. (x) Drain air receiver. (xi) Grease valve stems. (xii) Check all wiring, battery water level, gravity of battery, inspect all brushes and brush holder, cleaning of surface of commuters.

(b) Servicing of alternators (i) Check temp rise of bearings. (ii) Check brushes on exciter commuter and the alternator slip rings run without chattering or sparking. (iii) Check if brushes freely slide in holder and whether brush springs are in order. (iv) Check if oil rings are freely rotating in the bearings. (v) Check oil level in bearings. (vi) Wipe clean the alternator and exciter. (vii) Check all wiring and rectify and defect. (viii) Surface and clean the commuter. (ix) Take insulation and earth test on alternator and exciter and if defective investigate cause and remedy. (x) Check joints, clamping and bolting in all the wiring including control panels and rectify any defects. (xi) Check greases in all roller and ball bearings and make up if inadequate. (xii) Check the degree of wear of commuter brushes and renew if necessary. (xiii) Tighten all nuts in the rotors of alternative and exciter. (xiv) Check air gaps between starters and rotors and clean off any projections on the rotor.

Servicing of Diesel Engine Generating Set of capacity 250 KVA, water Cooled (Make: Kirloskar model NTA-855GFFC), Servicing shall be deemed to include the following processes :- (a) Servicing of Engine (i) Re-greasing all grease points (ii) Tightening the nuts, bolts of pipe lines of fuel oil, lubricating oil, water and check for leakages. Examine all main connecting rod connections. (iii) Check water/coolant level in radiator and top up. (iv) Check crank case oil level. (v) Clean lubrication oil filters. (vi) Clean air filters. (vii) Check that lubricating oil contains no water. Examine lubricating oil and renew if needed. (viii) Check tappet clearance and all nuts for tightness. (ix) Wash felt pads of fuel filter. (x) Drain air receiver. (xi) Grease valve stems. (xii) Check all wiring, battery water level, gravity of battery, inspect all brushes and brush holder, cleaning of surface of commuters.

(b) Servicing of alternators (i) Check temp rise of bearings. (ii) Check brushes on exciter commuter and the alternator slip rings run without chattering or sparking. (iii) Check if brushes freely slide in holder and whether brush springs are in order. (iv) Check if oil rings are freely rotating in the bearings. (v) Check oil level in bearings. (vi) Wipe clean the alternator and exciter. (vii) Check all wiring and rectify and defect. (viii) Surface and clean the commuter. (ix) Take insulation and earth test on alternator and exciter and if defective investigate cause and remedy. (x) Check joints, clamping and bolting in all the wiring including control panels and rectify any defects. (xi) Check greases in all roller and ball bearings and make up if inadequate. (xii) Check the degree of wear of commuter brushes and renew if necessary. (xiii) Tighten all nuts in the rotors of alternative and exciter. (xiv) Check air gaps between starters and rotors and clean off any projections on the rotor.

Servicing of Diesel Engine Generating Set of capacity 200 KVA and 160 KVA, water Cooled (Make: Cummins), Servicing shall be deemed to include the following processes :- (a) Servicing of Engine (i) Re-greasing all grease points (ii) Tightening the nuts, bolts of pipe lines of fuel oil, lubricating oil, water and check for leakages. Examine all main connecting rod connections. (iii) Check water/coolant level in radiator and top up. (iv) Check crank case oil level. (v) Clean lubrication oil filters. (vi) Clean air filters. (vii) Check that lubricating oil contains no water. Examine lubricating oil and renew if needed. (viii) Check tappet clearance and all nuts for tightness. (ix) Wash felt pads of fuel filter. (x) Drain air receiver. (xi) Grease valve stems. (xii) Check all wiring, battery water level, gravity of battery, inspect all brushes and brush holder, cleaning of surface of commuters.

(b) Servicing of alternators (i) Check temp rise of bearings. (ii) Check brushes on exciter commuter and the alternator slip rings run without chattering or sparking. (iii) Check if brushes freely slide in holder and whether brush springs are in order. (iv) Check if oil rings are freely rotating in the bearings. (v) Check oil level in bearings. (vi) Wipe clean the alternator and exciter. (vii) Check all wiring and rectify and defect. (viii) Surface and clean the commuter. (ix) Take insulation and earth test on alternator and exciter and if defective investigate cause and remedy. (x) Check joints, clamping and bolting in all the wiring including control panels and rectify any defects. (xi) Check greases in all roller and ball bearings and make up if inadequate. (xii) Check the degree of wear of commuter brushes and renew if necessary. (xiii) Tighten all nuts in the rotors of alternative and exciter. (xiv) Check air gaps between starters and rotors and clean off any projections on the rotor.

Servicing of Diesel Engine Generating Set of capacity 100 KVA and 125 KVA, water Cooled (Make: Greaves Cotton/Cummins), Servicing shall be deemed to include the following processes :- (a) Servicing of Engine (i) Re-greasing all grease points (ii) Tightening the nuts, bolts of pipe lines of fuel oil, lubricating oil, water and check for leakages. Examine all main connecting rod connections. (iii) Check water/coolant level in radiator and top up. (iv) Check crank case oil level. (v) Clean lubrication oil filters. (vi) Clean air filters. (vii) Check that lubricating oil contains no water. Examine lubricating oil and renew if needed. (viii) Check tappet clearance and all nuts for tightness. (ix) Wash felt pads of fuel filter. (x) Drain air receiver. (xi) Grease valve stems. (xii) Check all wiring, battery water level, gravity of battery, inspect all brushes and brush holder, cleaning of surface of commuters.

(b) Servicing of alternators (i) Check temp rise of bearings. (ii) Check brushes on exciter commuter and the alternator slip rings run without chattering or sparking. (iii) Check if brushes freely slide in holder and whether brush springs are in order. (iv) Check if oil rings are freely rotating in the bearings. (v) Check oil level in bearings. (vi) Wipe clean the alternator and exciter. (vii) Check all wiring and rectify and defect. (viii) Surface and clean the commuter. (ix) Take insulation and earth test on alternator and exciter and if defective investigate cause and remedy. (x) Check joints, clamping and bolting in all the wiring including control panels and rectify any defects. (xi) Check greases in all roller and ball bearings and make up if inadequate. (xii) Check the degree of wear of commuter brushes and renew if necessary. (xiii) Tighten all nuts in the rotors of alternative and exciter. (xiv) Check air gaps between starters and rotors and clean off any projections on the rotor.

Servicing of Diesel Engine Generating Set of capacity 62.5 KVA, Air Cooled (Make: Kirloskar/ Cummins & Mahindra & Mahindra), Servicing shall be deemed to include the following processes :- (a) Servicing of Engine (i) Re-greasing all grease points (ii) Tightening the nuts, bolts of pipe lines of fuel oil, lubricating oil, water and check for leakages. Examine all main connecting rod connections. (iii) Check water/coolant level in radiator and top up. (iv) Check crank case oil level. (v) Clean lubrication oil filters. (vi) Clean air filters. (vii) Check that lubricating oil contains no water. Examine lubricating oil and renew if needed. (viii) Check tappet clearance and all nuts for tightness. (ix) Wash felt pads of fuel filter. (x) Drain air receiver. (xi) Grease valve stems. (xii) Check all wiring, battery water level, gravity of battery, inspect all brushes and brush holder, cleaning of surface of commuters.

(b) Servicing of alternators (i) Check temp rise of bearings. (ii) Check brushes on exciter commuter and the alternator slip rings run without chattering or sparking. (iii) Check if brushes freely slide in holder and whether brush springs are in order. (iv) Check if oil rings are freely rotating in the bearings. (v) Check oil level in bearings. (vi) Wipe clean the alternator and exciter. (vii) Check all wiring and rectify and defect. (viii) Surface and clean the commuter. (ix) Take insulation and earth test on alternator and exciter and if defective investigate cause and remedy. (x) Check joints, clamping and bolting in all the wiring including control panels and rectify any defects. (xi) Check greases in all roller and ball bearings and make up if inadequate. (xii) Check the degree of wear of commuter brushes and renew if necessary. (xiii) Tighten all nuts in the rotors of alternative and exciter. (xiv) Check air gaps between starters and rotors and clean off any projections on the rotor.

Servicing of Diesel Engine Generating Set of capacity 35 KVA and 30 KVA, Air Cooled (Make: Kirloskar/Mahindra & Mahindra), Servicing shall be deemed to include the following processes :- (a) Servicing of Engine (i) Re-greasing all grease points (ii) Tightening the nuts, bolts of pipe lines of fuel oil, lubricating oil, water and check for leakages. Examine all main connecting rod connections. (iii) Check water/coolant level in radiator and top up. (iv) Check crank case oil level. (v) Clean lubrication oil filters. (vi) Clean air filters. (vii) Check that lubricating oil contains no water. Examine lubricating oil and renew if needed. (viii) Check tappet clearance and all nuts for tightness. (ix) Wash felt pads of fuel filter. (x) Drain air receiver. (xi) Grease valve stems. (xii) Check all wiring, battery water level, gravity of battery, inspect all brushes and brush holder, cleaning of surface of commuters.

(b) Servicing of alternators (i) Check temp rise of bearings. (ii) Check brushes on exciter commuter and the alternator slip rings run without chattering or sparking. (iii) Check if brushes freely slide in holder and whether brush springs are in order. (iv) Check if oil rings are freely rotating in the bearings. (v) Check oil level in bearings. (vi) Wipe clean the alternator and exciter. (vii) Check all wiring and rectify and defect. (viii) Surface and clean the commuter. (ix) Take insulation and earth test on alternator and exciter and if defective investigate cause and remedy. (x) Check joints, clamping and bolting in all the wiring including control panels and rectify any defects. (xi) Check greases in all roller and ball bearings and make up if inadequate. (xii) Check the degree of wear of commuter brushes and renew if necessary. (xiii) Tighten all nuts in the rotors of alternative and exciter. (xiv) Check air gaps between starters and rotors and clean off any projections on the rotor.

Servicing of Diesel Engine Generating Set of capacity 10-20 KVA, Air Cooled (Make: Cummins/ Greaves Cotton), Servicing shall be deemed to include the following processes :- (a) Servicing of Engine (i) Re-greasing all grease points (ii) Tightening the nuts, bolts of pipe lines of fuel oil, lubricating oil, water and check for leakages. Examine all main connecting rod connections. (iii) Check water/coolant level in radiator and top up. (iv) Check crank case oil level. (v) Clean lubrication oil filters. (vi) Clean air filters. (vii) Check that lubricating oil contains no water. Examine lubricating oil and renew if needed. (viii) Check tappet clearance and all nuts for tightness. (ix) Wash felt pads of fuel filter. (x) Drain air receiver. (xi) Grease valve stems. (xii) Check all wiring, battery water level, gravity of battery, inspect all brushes and brush holder, cleaning of surface of commuters.

(b) Servicing of alternators (i) Check temp rise of bearings. (ii) Check brushes on exciter commuter and the alternator slip rings run without chattering or sparking. (iii) Check if brushes freely slide in holder and whether brush springs are in order. (iv) Check if oil rings are freely rotating in the bearings. (v) Check oil level in bearings. (vi) Wipe clean the alternator and exciter. (vii) Check all wiring and rectify and defect. (viii) Surface and clean the commuter. (ix) Take insulation and earth test on alternator and exciter and if defective investigate cause and remedy. (x) Check joints, clamping and bolting in all the wiring including control panels and rectify any defects. (xi) Check greases in all roller and ball bearings and make up if inadequate. (xii) Check the degree of wear of commuter brushes and renew if necessary. (xiii) Tighten all nuts in the rotors of alternative and exciter. (xiv) Check air gaps between starters and rotors and clean off any projections on the rotor. NOTE for srl item No. 1. TO 7.01 : Items to be replaced will be measured and paid saparately under respective items, labour being included as part of servicing.(Make of spare parts shall be same as of DG Set or as per sample )

Supply only of the following materials as per existing parts for DG set of different capacity Note :- The spares to be supplied shall of same make as that of DG set

Diesel filter element suitable for 10 KVA,20 KVA, 30 KVA, 35 KVA & 40 KVA DG set.

Diesel filter element suitable for 62.5 KVA, 100 KVA and 125 KVA DG Set.

Diesel filter element suitable for 160, 200 KVA DG Set .

Diesel filter element suitable for 250, 320 KVA DG Set .

Oil filter element suitable for 10 KVA,20 KVA, 30 KVA, 35 KVA & 40 KVA DG set.

Oil filter element suitable for 62.5, 100 and 125 KVA DG Set.

Oil filter element suitable for 160 and 200 KVA DG Set .

Oil filter element suitable for 250 and 320 KVA DG Set .

By Pass filter element suitable as per site requirment for any capacity of DG set.

Air Cleaner filter element including outer and inner element suitable for 320/250/200 KVA DG Set .

Air Cleaner filter element including outer and inner element suitable for 62.5/100/125 KVA DG Set.

Air Cleaner filter element including outer and inner element suitable for 20/30/35 KVA DG set.

V' Belt for Dynamo A-49/50 suitable for 20/30/35/62.5/100 KVA DG Set.

Tension Belt for Engine suitable for 62.5/100/200/250/320 KVA DG Set.

Air cleaner hose pipe with clamps suitable for 20/30/35/62.5 KVA DG set.

Air cleaner hose pipe with clamps suitable for 100/125/160/200/250/320 KVA DG Set.

Oil Pressure gauge 0-10 bar suitable for 35/30/20/100/125/200 KVA DG Set.

Safety Control valve suitable for 20/30/35/62.5/100/125/160 KVA DG Set.

Flexible Pipe for fuel pump to PT pump with banjo, banjo washer and nut, bolts.

Flexible Pipe for diesel tank to filter with banjo, banjo washer and nut, bolts.

Repair/servicing and calibration of FIP of following DG Sets including replacment of plunger, manifold washer, etc all as required and testing after refixing on engine and setting the rated RPM all as directed by Engr-in-Charge.

DG Set of capacity - 125/200 KVA

DG Set of capacity - 250/320 KVA.

DG Set of capacity - 62.5/35 KVA.

Servicing/overhauling of injecter nozzle assembly including replacement of nozzles, washers etc and pressure setting as required and replacement of timing shaft with coupling all as directed by Engr-in-Charge for DG Sets of following capacities :-

DG Set of capacity - 20/30/35/62.5KVA .

DG Set of capacity - 100/125 KVA.

DG Set of capacity - 200/250 KVA.

Dismantling and taking out of self starter from mounting and to carryout complete servicing/overhauling of the same with replacement of carbon brush, armature coil, field coil, solenoid switch, bush and pinion and other related components for the following capacity DG sets :-

DG Set of capacity - 200/160 KVA DG set , Make: as per sample

DG Set of capacity - 125/100/62.5 KVA., Make: as per sample

DG Set of capacity - 35/30/20 KVA., Make: as per sample

Repair/Servicing and overhauling of dynamo by dismantling the same from DG set after taking down the fan belt and pulley. Repair of the same with replacement of armature coil, carbon (1 set) field coil, clutch bearing etc and other related items and duly re-assembling all the dismantled items and refixing the same on mountings and testing complete of the following capacity DG sets :-

DG Set of capacity - 35/30/20 KVA.

DG Set of capacity -125/100/62.5 KVA.

DG Set of capacity - 320/250/200 KVA.

Taking down old unserviceable AVR and M&L of automatic voltage regulator, Diode forward and reverse rotating rectifier assembly complete for the following capacity DG set :-

DG Set of capacity - 35/30/20 KVA.

DG Set of capacity - 125/100/62.5 KVA.

DG Set of capacity - 320/250/200KVA.

Taking down old unserviceable of turbo charger and M&L of turbo charger complete assembly for the following capacity DG set :-

DG Set of capacity -35/30/20 KVA.

DG Set of capacity - 125/100/62.5 KVA.

DG Set of capacity - 320/250/200 KVA.

Dismantling of radiator complete from D G Sets cleaning/scraping of depositing manually from outside of the radiator, cleaning of all copper tubes of radiator with descaling solution from inside & outside with fored feed method & with water and aircompressor (by using separate chemical pump water pump & all compressor ) plugging of all leakage in welding, brazing of copper tubes, cleaning of fins and replacement of gaskets etc for the following capcities DG sets :-

100/160/200 KVA (Make :Kirloskar/Mahindra /cummins/greaves

62.5/35 KVA (Make :Kirloskar)

35/20 KVA (Make:Mahindra & Mahindra/Greaves cotton/Cummins)

250/320 KVA (Make: Kirloskar)

M&L for dismantling/opening of alternator by disconnecting of cable connection and flexible coupling nut, bolted and alternator foundation, nuts, bolts including taking back on temporary flat form including strip opening of alternator and checking out worn out parts complete all as specified and directed by the Engineer-in-Charge, of DG sets of any make and capacity 320/250/125/100 /62.5/35/20 KVA all as specified and directed.

M&L for taking out worn out rotor armature & rewinding of rotor armature with copper winding wire of existing gauge (make: Altas/Birla), complete all as specified and directed by the Engineer-in-Charge, of DG sets of capacity 320/250/200/160/100/62.5/35/20 KVA (Make : Kirloskar/Cummins/Crompton Greaves/Mahindra and Mahindra)

Supply and top up Engine Oil SAE 15W/40 all as specified and directed by the Engr-in-Charge. Make: Kirloskar K.Oil/Indian oil/Castrol or its equivalent

Supply and top up premix coolant (Ethylene glycol) type JIS K 2234-94, class 2 for engine cooling complete all as specified and directed by Engineer in Charge.

Battery 12 Volts 90 AH including taking down old unserviceable, Make : Amron/Exide/Microtek/Tata Green

Battery 12 Volts 150 AH including taking down old unserviceable, Make : Amron/Exide/Microtek/Tata Green

Taking down old unserviceable of PSO 500 and M&L of PSO 500 controller of DG set AMF of capacity 20 KVA to100 KVA complete with all accessories as per manufacturer's instructions including taking down old.

Taking down old unserviceable of Power command controller of model No DGC-6D and M&L of Power command controller model No DGC-6D of DG set AMF of capacity 160 to 200 KVA complete all accessories as per manufacturer including taking down old. .

Disconnecting and Taking down old unserviceable of Power command control GADC 321 and M&L for microprocessor based power command control GADC 321 including mode of Auto and manual,start button,MCB,GCB,stop button ,rest button , digitaly voltage regulation( full wave rectified single phase(line to line) sensing,digital engine speed governing to provide isochrounous frequency regulation ,generator set monitoring monitors status of all critical engine and alternator functions .start and stop control with operated 12 volts DC,generator set protection complete all as specified and direc ted by Engineer in charge make : Cummins/Kirloskar /Greaves

Disconnecting and Taking down old unserviceable of Power command control 1301 and M&L for microprocessor based power command control 1301including digitaly voltage regulation( full wave rectified single phase(line to line) sensing,digital engine speed governing to provide isochrounous frequency regulation ,generator set monitoring monitors status of all critical engine and alternator functions .start and stop control with operated 24 volts DC,generator set protection complete all as specified and direc ted by Engineer in charge

M&L for self starter of capacity 320/250 KVA complete make : as per sample including taking down old unserviceable.

M&L for Battery lead of cap 12 volts DC complete make : as per sample

M&L for 4 pole contactor Ie 160 Amps,Ue415 volts,Ui 1000 volts ,IS/IEC 60947-4-1 including auxilary contact Ie AC-15:4A 415 V- Ith 10 A of model MCX 32 all accessories complete including taking down old.make L&T /Havells/Legrand

M&L for engine speed control unit including feature accutator,pick up the speed for stability, gain and speed with droop nad idle position all accessories complete make & model: Greaves & ESD5111 including taking down ol unserviceable. .

M&L for distilled water for battery of any size complete all as specified.

M&L for battery charger of 12 volts 10 AH complete all as specified and directed by Engineer-in Charge. Including taking down old unserviceable. MAKE: EXIDE /AMRON / MICROTEK

M&L for battery acid as per sample complete all as specified. Notes:- (i) Credit schedule has been given separately under tender documents and shall be adjusted in general summary by the deptt. for arriving at net contract sum. (ii) Make of spare parts shall be same as of DG Set or as per sample

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