COMPREHENSIVE REPAIR MAINT OF DG SETS EARTHING AND CONNECTED ITEMS OF WATER AND ELECTRIC SUPPLY INSTALLATIONS UNDER GE N AKHNOOR

Amount

Dismantling of DG set 63 KVA installed at GM Vihar, Sata bty,10 DOU,12 ESG, 18 Cav Vardhkalam, 101 AP and Tanda Avn Guard post after disconnecting all electrical connections including transportation to workshop and back after carry out necessary repair and replacement of worn out defective parts including preventive maintenance of connected assemblies. Re-assembling the same after repairs including testing and commissioning at site complete all as specified and directed. (Note:- Cost of spares/parts to be replaced will be measured and paid separately as supply only under respective items mentioned here-in-after but cost of fixing shall be deemed to be included in this item)

Supply only Cylinder liner

Supply only Piston

Supply only Piston Ring Set

Supply only Exhaust valve seat.

Supply only Inlet valve seat.

Supply only Valve pair

Supply only Hose flexible

Supply only Element air filter inner.

Supply only Fuel filter element.

Supply only Oil filter.

Supply only Belt (B-95)

Dismantling of fuel injection pump overhauling, repairing and replacement of worn out parts of FIP, calibration and testing of fuel pump of 63 KVA DG set and testing on test bench and replacement of pump element, delivery valve, ball bearing and adjustment of injectors and setting of fuel pressure as per manufacturer instructions, complete all as directed.

Supply & filling engine oil SAE 20W40

Supply & filling radiator coolant

Supply only copper lead cables 2 mtr long, multi strandard with copper thimble for making necessary connections at both ends, suitable for 12 volts including copper nuts, bolts and washers, complete all as specified and as directed.

Disconnecting the engine from alternator of DG set 63 KVA after disconnecting all electrical connections, dis-assembling the alternator to carry out the rewinding of armature and rewinding of field coils, including transportation of alternator to workshop and bringing back to site for re-assembling after repairs, re-installation at site and reconnecting alternator with engine including testing on load complete all as directed by Engr-in-charge including replacement of the fwg worn out spare parts : (a) Carbon bushing and bush holder (Set of 04)-01 Set. (b) Field excitation coils-04 Nos. (c) Rewinding of armature and current transformer-01 No (d) Replacement of old damaged/unserviceable electronic rectifier/Automatic voltage Rectifier with new electronic rectifier/Automatic voltage rectifier suitable for DG set capacity 63 KVA. (e) Replacement of old damaged/unserviceable slip ring assembly with new slip ring assembly suitable for DG set capacity 63 KVA, replacement of self starter assembly 12/24 volts suitable for 63 KV DG Set.

Taking down the radiator complete of 63 KV DG set from its mounting and de-scaling the same including cleaning from top and bottom of the tank and brazing re-soldering complete tank and re-installing the same to its original position, all as directed.

Dismantling of DG set 30 KVA installed at 510 ASC, 809 Fd Wksp, HQ 135 WE, after disconnecting all electrical connections including transportation to workshop and back after carry out necessary repair and replacement of worn out defective parts including preventive maintenance of connected assemblies. Re-assembling the same after repairs including testing and commissioning at site complete all as specified and directed. (Note:- Cost of spares/parts to be replaced will be measured and paid separately as supply only under respective items mentioned here-in-after but cost of fixing shall be deemed to be included in this item)

Supply only Cylinder liner

Supply only Piston

Supply only Piston Ring Set

Supply only Exhaust valve seat.

Supply only Inlet valve seat.

Supply only Valve pair

Supply only Hose flexible

Supply only Element air filter inner.

Supply only Fuel filter element.

Supply only Oil filter.

Supply only Belt (B-95)

Dismantling of fuel injection pump overhauling, repairing and replacement of worn out parts of FIP, calibration and testing of fuel pump of 30 KVA DG set and testing on test bench and replacement of pump element, delivery valve, ball bearing and adjustment of injectors and setting of fuel pressure as per manufacturer instructions, complete all as directed.

Taking down the radiator complete of 30 KVA DG set from its mounting and de-scaling the same including cleaning from top and bottom of the tank and brazing re-soldering complete tank and re-installing the same to its original position, all as directed.

Disconnecting the engine from alternator of DG set 30 KVA after disconnecting all electrical connections, dis-assembling the alternator to carry out the rewinding of armature and rewinding of field coils, including transportation of alternator to workshop and bringing back to site for re-assembling after repairs, re-installation at site and reconnecting alternator with engine including testing on load complete all as directed by Engr-in-charge including replacement of the fwg worn out spare parts : (a) Carbon bushing and bush holder (Set of 04)-01 Set. (b) Field excitation coils-04 Nos. (c) Rewinding of armature and current transformer-01 No (d) Replacement of old damaged/unserviceable electronic rectifier/Automatic voltage Rectifier with new electronic rectifier/Automatic voltage rectifier suitable for DG set capacity 30 KVA. (e) Replacement of old damaged/unserviceable slip ring assembly with new slip ring assembly suitable for DG set capacity 30 KVA, replacement of self starter assembly 12/24 volts suitable for 30 KV DG Set.

Dismantling of DG set 100 KVA to 160 KVA after disconneting all electrical connections including transportation to workshop and back after carry out necessary repair and replacement of worn out defective parts including preventive maintenance of connected assemblies, calibration of fuel injection pump including dismantling of radiator, radiator fan, water pump assembly, air cleaner, rocker cover housing rocker,oiling and greasing to moveable spare parts such as bearing etc, replacement of old defective air filter, fuel filter, oil filter, insulation cover/asbestos rope of exhaust pipe with new and manufacturer specified air filter, fuel filter and oil filter, insulation cover/asbestos rope of exhaust pipe tightening the screws of hose and hose pipe set, strip opening of alternator cleaning of stator and field coils, rotor assembly, and apply one coat of varnishing using 'H' class varnish and complete service work as required at site as specified and directed. Reassembling the same after repairs including testing and commissioning at site complete, including replacement of the following spare parts

Supply only piston with piston pin, connecting rod and lock assembly complete

Supply only Cylinder liner with inner ring assembly complete

Supply only Piston Ring set

Supply only Set of Joints

Supply only set of hose clips

Supply only V Belt B54

Supply only Oil filter

Supply only set of hose clips

Supply only Kit Liner

Supply only Fuel Filter

Disconnecting the engine from alternator of DG set 20 KVA after disconnecting all electrical connections, dis-assembling the alternator to carry out the rewinding of armature and rewinding of field coils, including transportation of alternator to workshop and bringing back to site for re-assembling after repairs, re-installation at site and reconnecting alternator with engine including testing on load complete all as directed by Engr-in-charge including replacement of the fwg worn out spare parts : (a) Carbon bushing and bush holder (Set of 04)-01 Set. (b) Field excitation coils-04 Nos. (c) Rewinding of armature and current transformer-01 No (d) Replacement of old damaged/unserviceable electronic rectifier/Automatic voltage Rectifier with new electronic rectifier/Automatic voltage rectifier suitable for DG set capacity 20 KVA. (e) Replacement of old damaged/unserviceable slip ring assembly with new slip ring assembly suitable for DG set capacity 20 KVA, replacement of self starter assembly 12/24 volts suitable for 20 KV DG Set.

Dismantling of fuel injection pump overhauling, repairing and replacement of worn out parts of FIP, calibration and testing of fuel pump of 20 KVA DG set and testing on test bench and replacement of pump element, delivery valve, ball bearing and adjustment of injectors and setting of fuel pressure as per manufacturer instructions, complete all as directed.

Taking down the radiator complete of 20 KVA DG set from its mounting and de-scaling the same including cleaning from top and bottom of the tank and brazing re-soldering complete tank and re-installing the same to its original position, all as directed.

Replacement of battery 12/24 volts, 180AH alongwith battery lead terminal and cut out arrangement. Make:- Exide/Amaron

Replacement of battery 12/24 volts, 90AH alongwith battery lead terminal and cut out arrangement. Make:- Exide/Amaron

Carrying out servicing/maint of 315/275/250/200 KVA DG sets located at various water supply installations Make:- Kirloskar/Greaves/Cummins including 'B' check as per manufactures mannual through authorized dealer of DG sets manufacturer of existing DG make and testing of DG sets complete all as directed. Note: All materials/spares parts required for carrying out above maintenence/servicing shall be measured and paid separately as 'Supply only" items as mentioned below and shall be make Greaves/Kirloskar/Cummins as per make of DG set and labour elements required for replacing the spares parts including replacement of minor spare parts which are essential for carrying out servicing/maintenence of DG sets shall be demmed to be included in the unit rate quoted by the tenderer against said item.

Supply only engine oil

Supply only Diesel filter insert

Supply only Diesel filter paper

Supply only Fuel pre filter

Supply only Air clean element primary

Supply only Air clean element Secondary

Supply only Hose pipe & flexible pipe complete set

Supply only fan belt for water pump (Make Fenner/Poly-F/Roulunos)

Supply only fan belt for alternator dynamo (Make Fenner/Poly-F/Roulunos)

Disconnecting the engine from alternator of DG set 250 KVA after disconnecting all electrical connections, dis-assembling the alternator to carry out the rewinding of armature and rewinding of field coils, including transportation of alternator to workshop and bringing back to site for re-assembling after repairs, re-installation at site and reconnecting alternator with engine including testing on load complete all as directed by Engr-in-charge including replacement of the fwg worn out spare parts : (a) Carbon bushing and bush holder (Set of 04)-01 Set. (b) Field excitation coils-04 Nos. (c) Rewinding of armature and current transformer-01 No (d) Replacement of old damaged/unserviceable electronic rectifier/Automatic voltage Rectifier with new electronic rectifier/Automatic voltage rectifier suitable for DG set capacity 250 KVA. (e) Replacement of old damaged/unserviceable slip ring assembly with new slip ring assembly suitable for DG set capacity 250 KVA, replacement of self starter assembly 12/24 volts suitable for 250 KV DG Set.

Dismantling of fuel injection pump overhauling, repairing and replacement of worn out parts of FIP, calibration and testing of fuel pump of 250 KVA DG set and testing on test bench and replacement of pump element, delivery valve, ball bearing and adjustment of injectors and setting of fuel pressure as per manufacturer instructions, complete all as directed.

Taking down the radiator complete of 250 KVA DG set from its mounting and de-scaling the same including cleaning from top and bottom of the tank and brazing re-soldering complete tank and re-installing the same to its original position, all as directed.

Dismantling of DG set 250 KVA , after disconnecting all electrical connections including transportation to workshop and back after carry out necessary repair and replacement of worn out defective parts including preventive maintenance of connected assemblies. Re-assembling the same after repairs including testing and commissioning at site complete all as specified and directed. (Note:- Cost of spares/parts to be replaced will be measured and paid separately as supply only under respective items mentioned here-in-after but cost of fixing shall be deemed to be included in this item)

Supply only Cylinder liner with inner ring assembly complete

Supply only piston with piston pin, connecting rod and lock assembly complete

Supply only Piston Ring Set

Supply only Exhaust valve seat.

Supply only Inlet valve seat.

Supply only Valve pair

Supply only Hose flexible

Supply only Element air filter inner.

Supply only Fuel filter element.

Supply only Oil filter.

Supply only Belt (B-95)

Taking down burnt cable and Supply, laying, jointing and testing XLPE cable insulated, armoured, earthed, heavy duty electric cable with aluminium conductor , 1100 Volt grade, cross sectional area 95 sqmm 3.5 core including necessary cable lugs, glands, insulation tape etc complete all as specified and as directed.

Taking down burnt cable and Supply, laying, jointing and testing XLPE cable insulated, armoured, earthed, heavy duty electric cable with aluminium conductor , 1100 Volt grade, cross sectional area 120 sqmm 3.5 core including necessary cable lugs, glands, insulation tape etc complete all as specified and as directed.

Taking down burnt cable and Supply, laying, jointing and testing XLPE cable insulated, armoured, earthed, heavy duty electric cable with aluminium conductor, 1100 Volt grade, cross sectional area 185 sqmm 3.5 core including necessary cable lugs, glands, insulation tape etc complete all as specified and as directed.

Taking down old /unsv earthing and Earthing complete with galvanized steel earth plate electrode 600mm x600mm x 6.0 mm thick buried directly in ground (earth pit not less than 2.25 metres deep below normal ground level) with top edge of plate not less than 1.5 mtr below normal ground leel, connecting to the Galvanised earthing lead strip 32x6mm size, by means of bolts, nuts, heck nuts and washers of galvanized iron and earth lead protected by provision of GI medium grade pipe 65mm bore incl provision of concrete pit in PCC 1:2:4 type B-1 using 20mm graded stone aggregates with 40mm thick cover of RCC 1:2:4 reinforced with XPM (weight not less than 4 Kg/Sqm) and frame of angle iron 25x25x6mm with lugs 02 Nos and with 6mm dia MS bar handle made to shape Gl medium grade 40mm bore pipe for watering perforated at bottom 1.75 metre long placed on top edge of earth plate, common salt & charcoal filling, test point made out of 40mm x 8mm Fl with fixing arrangement, funnel, wire mesh and earth work in soft/loose soil, returning filling in and removal of surplus soil to a distance not exceeding 50 mtrs, all as per electrical plate No 5 of SSR-1991 Part I and connected to earth test point all as specified or indicated incl testing on completion.

Excavation in tranches not exceeding 1.5 m wide and not exceeding 1.5 m deep for foundation of laying cable including getting out in soft/loose soil complete all as specified and directed.

Returning filling in including spreading watering and well ramming in layers not exc 25 cm complete all as specified.

Removing surplus soil to distance not exceeding 50 m and depositing where directed at a level not exceeding 1.5 m above the starting point complete all as specified and directed.

Protection to cable with one layer of brick laid flat across the cable using old size sub class 'B' Bricks all as specified and directed.

Sand cushioning to under ground cable, 8 cms thick before laying the cable and 15 cms thick after laying and stretching the cable in trenches including hand punning and consolidating, punned to 18cm thickness, complete all as specified and directed. Note : For payment purpose, only punned thickness shall be measured.

Replacement of UNSV changeover switch with new changeover switch suitable for 415 violts, 3 phase, 50 Hz AC supply and shall be FOUR POLE ON LOAD type, manualluy operated and o IS: 139947 (Part-3)-1993. It shall have high thermal and dynamic strength to with stand rated short circut level of 80 KA rms off load rating 630 A. The changeover switched shall be of compact design with SS enclosure. It shall have very high mechanical strength, self extinguishing and high dielectric strength properties. All current carrying parts shall be silver plated and suitable for tropical conditions (reklative humidity 95%, 45 degree Celsius). The switches shall incorporate quick make and quick break feature independent of the operating speed enabling the switch to enclosed and open circuts under the most severe conditions i.e highly inductive load. The contacts making and opening shall be within polyester reinfiorced glass body. Operating handle of switches shall be in front position. It shall be strong and ergonomic and pad lockable in 'OFF;' as well as in I and II position and shall also have door inter lock feature in 'ON' position. Switch shall have three stable positions (I, O, II) and possible changeover from one to the other while functioning as given under:- Position 'O'- Circut I & II Open (Neutral Position) Position 'I':- Circut close and Circut II Open (Transformer Supply ON and generator supply OFF) Position 'II':- Circut I Open and Circut II Close (Generator supply ON and Transformer Supply OFF) Make Havells or equivalent

Description same as Ser No 31 but of rating 400 A

Description same as Ser No 31 but of rating 320 A

Description same as Ser No 31 but of rating 250 A

Description same as Ser No 31 but of rating 100 A

TARA ENTERPRISES (BID ID -3400095)

M/S JIWAN SINGH (BID ID -3401422)

M/s Kay Aar Enterprises (BID ID -3401739)