GE/SMB/T-40/2024-25/E8 REPAIR MAINTENANCE IMPROVEMENT OF DG SET INSTALLED AT VARIOUS INSTALLATIONS AND OTHER CONNECTED WORKS OF EXTERNAL ELECT SUPPLY INSTALLATIONS UNDER GE SAMBA

Amount

General servicing of DG set including cleaning of machines, fuel tank etc checking of oil levels, filters, fan belts, hose pipe, proper adjustment of tappet, checking of governor assembly, radiator complete all as per manufacturers recommendations including replacement of Fuel filter, Engine oil filters, etc complete as per direction of Engr-in-Charge. Note :- Engine oil & Coolant wii be measured and paid separately under subsequent items

100 KVA ( Make- Kirloskar / Mahindra & Mahindra / Ashok Leyand )

62.5 / 63 KVA ( Make- Ruston / Kirloskar / Greaves / Mahindra / Ashok Leyand / Sudhir / CG )

30/32 KVA ( Make- Ruston / Kirloskar / Greaves / Mahindra / Ashok Leyand / Sudhir / CG )

15 KVA ( Make Kirloskar )

10 KVA ( Make Kirloskar )

Repairs to DG set engine of capacity 62.5 / 63 KVA any make, 6 cylinder, 1500 RPM, water cooled by dismantling/strip opening of the DG set for top overhauling by removing the cylinder heads, piston, connecting rod, cylinder liner, oil sump and injector etc including calibration of engine and reassembling of the complete engine as per the manufacturer instruction and testing of efficiency of engine on completion complete all as directed. (worn out / unserviceable parts shall be measured and paid seperately)

Piston assy as per existing model complete all as specified and directed

Ring set as per existing model complete all as specified and directed

Cylinder liner as per existing model complete all as specified and directed

Set of liner 'O' ring as per existing model complete all as specified and directed

Gasket set kit as per existing model complete all as specified and directed

Coupling as per existing model complete all as specified and directed

Gasket (Main Seal) as per existing model complete all as specified and directed

Diesel Pipe Set as per existing model complete all as specified and directed

Hose Pipe as per existing model complete all as specified and directed

Hose Clamp as per existing model complete all as specified and directed

Cylinder head gasket as per existing model complete all as specified and directed

Cylinder head 'O' Ring as per existing model complete all as specified and directed

Valve set as per existing model complete all as specified and directed

Valve seal as per existing model complete all as specified and directed

Valve guide as per existing model complete all as specified and directed

Connecting rod bearing as per existing model complete all as specified and directed

Connecting rod bush as per existing model complete all as specified and directed

Fan Belt as per existing model & size complete all as specified and directed

Repairs to DG set engine of capacity 32 / 30 KVA any make, 4 cylinder, 1500 RPM, water cooled by dismantling/strip opening of the DG set for top overhauling by removing the cylinder heads, piston, connecting rod, cylinder liner, oil sump and injector etc including calibration of engine and reassembling of the complete engine as per the manufacturer instruction and testing of efficiency of engine on completion complete all as directed. (worn out / unserviceable parts shall be measured and paid seperately)

Piston assy as per existing model complete all as specified and directed

Ring set as per existing model complete all as specified and directed

Cylinder liner as per existing model complete all as specified and directed

Set of liner 'O' ring as per existing model complete all as specified and directed

Gasket set kit as per existing model complete all as specified and directed

Coupling as per existing model complete all as specified and directed

Gasket (Main Seal) as per existing model complete all as specified and directed

Diesel Pipe Set as per existing model complete all as specified and directed

Hose Pipe as per existing model complete all as specified and directed

Hose Clamp as per existing model complete all as specified and directed

Cylinder head gasket as per existing model complete all as specified and directed

Cylinder head 'O' Ring as per existing model complete all as specified and directed

Valve set as per existing model complete all as specified and directed

Valve seal as per existing model complete all as specified and directed

Valve guide as per existing model complete all as specified and directed

Connecting rod bearing as per existing model complete all as specified and directed

Connecting rod bush as per existing model complete all as specified and directed

Fan Belt as per existing model & size complete all as specified and directed

Taking out FIP from DG set, transportation to authorized service centre for overhauling and re-caliberation and re-fixing to DG set complete all as specified and directed of capacity DG Set 100 KVA Make - Crompton Greaves / Mahindra & Mahindra complete all as directed:- (Unserviceable / defective parts shall be measured and paid seperately)

Injector as per existing model complete all as specified and directed.

Injector Nozzle as per existing model complete all as specified and directed.

Delivery valve as per existing model complete all as specified and directed.

FIP Element as per existing model complete all as specified and directed.

Gevernor as per existing model complete all as specified and directed.

Taking out FIP from DG set, transportation to authorized service centre for overhauling and re-caliberation and re-fixing to DG set complete all as specified and directed of capacity DG Set 75 / 70 / 63 / 62.5 KVA Make - Crompton Greaves / Mahindra & Mahindra complete all as directed:- (Unserviceable / defective parts shall be measured and paid seperately)

Injector as per existing model complete all as specified and directed.

Injector Nozzle as per existing model complete all as specified and directed.

Delivery valve as per existing model complete all as specified and directed.

FIP Element as per existing model complete all as specified and directed

Gevernor as per existing model complete all as specified and directed

Taking out FIP from DG set, transportation to authorized service centre for overhauling and re-caliberation and re-fixing to DG set complete all as specified and directed of capacity DG Set 30 / 32 / 40 KVA Make - Crompton Greaves / Mahindra & Mahindra complete all as directed:- (Unserviceable / defective parts shall be measured and paid seperately)

Injector as per existing model complete all as specified and directed

Injector Nozzle as per existing model complete all as specified and directed

Delivery valve as per existing model complete all as specified and directed

FIP Element as per existing model complete all as specified and directed

Gevernor as per existing model complete all as specified and directed

Replacement of defective / unserviceable automatic voltage regulator (AVR) suitable for 63 KVA to 160 KVA DG Set complete all as specified and directed. Make - Kirloskar/CG

Replacement of defective / unserviceable automatic voltage regulator (AVR) suitable for 30 to 40 KVA DG Set complete all as specified and directed. Make - Kirloskar/CG

Replacement of defective / unserviceable Alternator / Dynamo 12 volt 30 to 63 KVA DG Set, as per existing model complete all as specified and directed.

Replacement of defective / unserviceable Stop Solenoid any make, type and capacity as per existing model complete all as specified and directed.

Strip opening of alternator of capacity 30 KVA to 160 KVA, removing rotor from the starter and rewinding to CT coils complete with super enamel copper winding wire of appropriate size including insulating material and replacing Rear and front bearing including greasing of the alternator and refixing with engine and complete testing and refixing all components of the alternator and mounting the same on the existing foundation including aligning the alternator with engine and testing on full load as specified in particular specification and complete all as specified and directed.

Replacement of defective / unserviceable self starter for 63 / 62.5 KVA DG Set as per existing model complete all as specified and directed

Replacement of defective / unserviceable self starter for 100 KVA DG Set as per existing model complete all as specified and directed

Replacement of defective / unserviceable self starter for 30 / 32 / 40 KVA DG Set as per existing model complete all as specified and directed

Cleaning of radiator with the help of descaling agent/solution including repairs to the broken tubes and replacement of wornout rubber hoses for 15 to 63 KVA DG Set complete all as specified and directed.

Replacement of defective / unserviceable Air Filter for following capacity DG set of any and model complete all as specified and directed

100 KVA ( Make- Kirloskar / Mahindra & Mahindra / Ashok Leyand )

62.5 / 63 KVA ( Make- Ruston / Kirloskar / Greaves / Mahindra / Ashok Leyand / Sudhir / CG )

30/32 KVA ( Make- Ruston / Kirloskar / Greaves / Mahindra / Ashok Leyand / Sudhir / CG )

15/10 KVA ( Make Kirloskar)

Replacement of defective / unserviceable Engine Oil 20 W 40 or equivalent grade suitable for DG set at various locations. Make: Castrol/ Servo

Supply and filling concentrated coolant for radiator in 5 litre capacity container complete all as specified and directed.

S & F the battery of 12 V 180 AH suitable for DG set Make : Exide/ Amaron.

Replacement of defective / unserviceable battery lead of copper conductor 35 sqmm, 3 mtr length, single core fitted with lead terminal on one side and other side with brass or lead terminal as per requirement and connection as directed.

Replacement of On Load Changeover switch 3 Phase, 415 volts 400 Amps, type C-line in SS Enclosure including fixing arrangement on wall/ floor, including connection,complete all as specified and directed. Make: Legrand/ Schneider.

Replacement of On Load Changeover switch 3 Phase, 415 volts 200 Amps, type C-line in SS Enclosure including fixing arrangement on wall/ floor, including connection,complete all as specified and directed. Make: Legrand/ Schneider.

supply and fix electrical battery charger 24 volt 10 Amp complete all as specified and directed.

supply and fix distilled water complete all as specified and directed.

Supply and laying in trenches through pipe or under culvert of XPLE insulated PVC sheathed heavy duty 1100 volts grade of size 95 sqmm, 3.5 core with stranded aluminium conductor including proper connection to LT panel /bus bar with aluminium thimbles of suitable size /rating complete all as specified and directed.(Note – necessary excavation, returning filling,removal of soil ,sand cushioning,brick work and GI pipe shall be measured and paid under respective item of Sch).

Supply and laying in trenches through pipe or under culvert of XPLE insulated PVC sheathed heavy duty 1100 volts grade of size 70 sqmm, 3.5 core with stranded aluminium conductor including proper connection to LT panel /bus bar with aluminium thimbles of suitable size /rating and taking down the old unserviceable cable complete all as specified and directed.(Note – necessary excavation, returning filling,removal of soil ,sand cushioning,brick work and GI pipe shall be measured and paid under respective item of Sch).

M&L for earthing complete with galvanized steel earth plate electrode 600x600x6mm thickness not less than 6mm thick buried directly in ground (earth pit not less than 2.25 mtr deep below the normal ground level ) with top edge of plate not less than 1.5 mtr below the normal ground level connected to galvanized iron strip 32x6mm by means of nuts bolts,washers,check nuts of GI steel all as shown in electric plate no 5 all as specified and indicated complete and including charcoal dust,salt etc and GI protection pipe ,medium grade 40mm and GI watering pipe 20mm ,medium grade with funnel and wire mesh ,40mm thick pre-cast RCC N-15 (nominal mix) cover reinforced with XPM weight not less than 4 kg /sqm with suitable handle of 6mm dia MS bar and angle iron 40x40x3mm frame for cover ,PCC M-15 (nominal Mix) pit,excavation and earth work in any type of soil and connected all as specified and directed.

Taking out the old unserviceable /burnt MCCBs of various capacity and make from different LT panels after proper shutdown form the respective sub station and Provision of MCCB 400 amp ,4 pole 415 volts ,3 phase ,50 Hz AC with thermal megnetic setting & 36 kA breaking capacity with adjustable protection for over load and short circuit and conforming to IEC60947/IS 13947/Pt.II/1993(Latest Version) should be load line biased suitable for isolation. The MCCB should have Ics= 100% Icu for short circuit breaking capacity of minimum 36 kA rms at 415 volts 50 Hz AC. The MCCBs shall have spreader links and barriers as standard feature of manufacturer, complete all as specified and directed.

Taking out the old unserviceable /burnt MCCBs of various capacity and make from different LT panels after proper shutdown form the respective sub station and Provision of MCCB 250 amp ,4 pole 415 volts ,3 phase ,50 Hz AC with thermal megnetic setting & 36 kA breaking capacity with adjustable protection for over load and short circuit and conforming to IEC60947/IS 13947/Pt.II/1993(Latest Version) should be load line biased suitable for isolation. The MCCB should have Ics= 100% Icu for short circuit breaking capacity of minimum 36 kA rms at 415 volts 50 Hz AC. The MCCBs shall have spreader links and barriers as standard feature of manufacturer, complete all as specified and directed.

Taking out the old unserviceable /burnt MCCBs of various capacity and make from different LT panels after proper shutdown form the respective sub station and Provision of MCCB 200 amp ,4 pole 415 volts ,3 phase ,50 Hz AC with thermal megnetic setting & 36 kA breaking capacity with adjustable protection for over load and short circuit and conforming to IEC60947/IS 13947/Pt.II/1993(Latest Version) should be load line biased suitable for isolation. The MCCB should have Ics= 100% Icu for short circuit breaking capacity of minimum 36 kA rms at 415 volts 50 Hz AC. The MCCBs shall have spreader links and barriers as standard feature of manufacturer, complete all as specified and directed.

Excavation in trenches n. exc. 1.5 mtr wide and n. exc. 1.5 mtr in depth for foundation of pole and laying of UG cable and getting out in any type of soil complete all as specified and directed.

Returning filling in, including spreading, watering and well ramming in layers not exceeding 25 cm thick in any type soil complete all as specified and directed.

Removing excavated material (soil) to a distance not exceeding 50 mtr and depositing where directed at a level not exceeding 1.5 mtr above the starting pointcomplete all as specified and directed.

M & L for Sand cushioning for under ground cable upto 8 cm before laying the cable and 15 cm after laying and stretching the cable and punned down to form a bed to a minimum 23 cm.The punning shall be done by hand complete all as specified and directed in clause 19.75 of SSR Part - I of 2009.

Material and labour for sub class 'B' bricks well burnt of size laid dry flat for protection of cable complete all as specified and directed.

Material and labour for replacement of contactor for DG Set MNX 22 including all connection and taking out old one complete all as specified and directed.

Material and labour for replacement of contactor for DG Set MNX 34 including all connection and taking out old one complete all as specified and directed.

Note :- The contract sum shall be arrived at after deduction of amount of sch of credit

M/S GUPTA TRADING CO (BID ID -3143216)

M/S GULATI ENGINEERING WORKS (BID ID -3143458)

satpal and brothers (BID ID -3142807)