REPAIR, MAINT AND SERVICING OF DG SETS AT SHIBPUR, DURGAPUR, AERIAL BAY AND MAYABUNDER UNDER GE (S) DIGLIPUR

Amount

M&L for servicing of 10 KVA to 30 KVA capacity DG sets of any make, situated at site including replacement of fuel filters, oil filters, air filters, air filter element, changing lubricating oil, cleaning of fuel lines, checking leakage if any, repair the leakage, replacement of exhaust main fold gasket etc of DG sets, complete all as specified & as directed by the Engineer-in-charge.

Description all as per item No. 01 above, but 50 KVA to 100 KVA capacity of DG set

Description all as per item No. 01 above, but 100 KVA to 200 KVA capacity of DG set

Repair of DG Set of 10 KVA to 30 KVA :- Disconnect the electrical connection of DG sets situated at site, opening of the engine head cover, remove the cylinder head, Supply and fix in replacement of piston, piston rings, replacement of fuel injector, general overhauling of Engine by removal of carbon accumulation from cylinder inner layer and piston, replacement of oil and water seal etc. complete all as directed. Make: Kirloskar/Crompton Greaves/Mahindra/ Cummins or equivalent. Notes:- (i)Tenderer's quoted rate is deemed to be inclusive of disconnecting /dismantling /opening of DG Set, overhauling and repair/ replacement of items described above etc., as directed. (ii) The other repairs / replacement works ,as described below, which are essential for proper functioning of DG set, shall be measured and paid separately vide item No. 4.01 to 4.14 here in below and the cost of these items of repair works shall not be included in the unit rate quoted for item No. 4.00.

Repair to the crank shaft by brazing the top portion to make to adjust to the engine RPM complete all as per manufacturer's instructions and as directed.

Repair to engine camshaft by brazing/ chiselling to make adjust with the engine RPM complete complete all as per manufacturer's instructions and as directed.

Calibration of fuel line / fuel pump and fuel injector from authorised service centre for matching the RPM of DG set and output voltage complete all as per manufacturer's instructions and as directed..

S & F in repair high pressure fuel line with end coupler complete from FIP to injector with new high pressure line fixed properly (without any leakage) to the engine complete all as per manufacturer's instructions and as directed.

S & F in repair alternator assembly for battery charging of 24 Volts complete all as per manufacturer's instructions and as directed. Make: Lucas or equivalent as approved by GE.

S & F in repair radiator fan belt of suitable size complete all as per manufacturer's instructions and as directed..

M& L for cleaning and descaling of radiator assembly by using suitable chemical and blower fan ,injecting water with high pressure in water tubings so as to remove all dirts in the fins, taking down the copper bottom portion of tank for welding / brazing and refit the same after replacing the unserviceable and damaged fins tank cap rubber bush and refix the same at the engine of DG sets complete all as per manufacturer's instructions and as directed.

Opening of the DG set alternator and taking out the worn out parts ,lifting, loading and transportation of DG set/Alternator to the work shop for rewinding/lathe work and taking back to MES store yard /installation after repair work, re-assembling of DG sets including testing complete all as per manufacturer's instructions and as directed. Note:- Worn out parts which are to be replaced shall be measured under Ser item No. 4.09 to 4.14 here in below.

S & F in repair rectifier/ Diode plate all as per manufacturer's instructions and as directed.

S & F in repair internal wiring with suitable gauge of copper wire all as specified and as directed.

Cleaning of rotor slots all as per manufacturer's instructions and as directed.

S&F in repair carbon brush set all as per manufacturer's instructions and as directed..

S&F in repair slip rings all as per manufacturer's instructions and as directed..

S&F in repair copper terminal heavy duty for battery (length 1.5m) connection with suitable size of copper lugs on one side, brass lead on other end all as per manufacturer's instructions and as directed..

Repair to DG SET 50 KVA to 100 KVA capacity:- Disconnect the electrical connection of DG sets ,situated at site ,opening of the engine head cover, remove the cylinder head , Supply and fix in replacement of piston , piston rings and replacement of fuel injector, complete overhauling of Engine by removal of carbon accumulation from cylinder inner layer and piston , replacement of oil and water seal etc all as directed by Engg-in-charge. Make: Kirloskar/Crompton Greaves/Mahindra/ Cummins or equivalent. (i)Tenderer's quoted rate is deemed to be inclusive of disconnecting /dismantling /opening of DG Set, overhauling and repair/ replacement of items described above etc., as directed. (ii) The other repair / replacement works as described below which are essential for proper functioning of DG set shall be measured and paid separately vide item No. 5.01 to 5.16 here in below and the cost of these items of repair works shall not be included in the unit rate quoted for item No. 5.00

Calibration of fuel line/ fuel pump and fuel injector from authorised service centre for matching the RPM of DG set and output voltage complete all as per manufactures instruction and as directed.

S & F in repair high pressure fuel line with end coupler complete from FIP to injector with new high pressure line fixed properly (without of any leakage) to the engine all as per manufacturer's instructions and as directed..

Remove and refix radiator assembly by brazing / welding if any leakage complete of suitable dimension with cleaning of copper fins by high pressure jet of air / water including connecting ,testing complete all as per manufacturer's instructions and as directed..

S&F in repair anti vibration pad complete all as specified and as directed. Make : Dunlop or equivalent as approved by GE

S&F in repair bottom chamber with nuts and bolts all as specified and as directed.

S&F in repair fuel flexible pipe of suitable length and size as per existing complete all specified and as directed.

S&F in repair water hose pipe of suitable size and length complete all as specified and as directed.

S&F in repair fuel filter assembly complete all as per manufacturer's instructions and as directed.

Opening of the DG set alternator and taking out the worn out parts, lifting, loading and transportation of DG set/ Alternator to the work shop for rewinding/lathe work and taking back to MES store yard/ installation after repair work, re-assembling of DG sets including testing complete all as per manufacturer's instructions and as directed. Note:- Worn out parts which are to be replaced shall be measured under Ser item No. 5.10 to 5.16 here in below.

S&F in repair carbon bushes complete all as per manufacturer's instructions and as directed.

Cleaning the rotor slots complete all as per manufacturer's instructions and as directed.

Disconnect the self starter from the engine ,loading and shifting motor to work shop for repair to starter by change of carbon bushes , solenoid switch and change of slip rings etc. taking back to MES store and connect to engine including ,commissioning and testing complete all as directed.

S&F in repair ignition switch assembly complete with nuts and bolts on DG set including all electrical connection by using suitable gauge of copper wire and testing complete all as specified and directed.

S & F in repair rubber coupling, bush with rubber ring nuts and bolts of plate type or round in shape as per sample complete all as specified and directed.

S&F in repair copper terminal heavy duty for battery (length 1.5m ) connection with suitable size of copper lugs on one side and brass lead at other end all as directed.

S&F in repair AVR of suitable capacity applicable for 62.5 to 100KVA DG Set all as specified and as directed.

Repair to DG SET 100 KVA to 200 KVA:- Disconnect the electrical connection of DG sets ,situated at site ,opening of the engine head cover, remove the cylinder head , Supply and fix in replacement of piston , piston rings and replacement of fuel injector, complete overhauling of Engine by removal of carbon accumulation from cylinder inner layer and piston , replacement of oil and water seal etc all as directed by Engg-in-charge. Make: Kirloskar/Crompton Greaves/Mahindra/ Cummins or equivalent. Notes:- (i)Tenderer's quoted rate is deemed to be inclusive of disconnecting /dismantling /opening of DG Set, overhauling and repair/ replacement of items described above etc., as directed. (ii)The other repair / replacement works as described below which are essential for proper functioning of DG set shall be measured and paid separately vide item No. 6.01 to 6.16 here in below and the cost of these items of repair works shall not be included in the unit rate quoted for item No. 6.00

Calibration of fuel line/ fuel pump and fuel injector from authorised service centre for matching the RPM of DG set and output voltage complete all as per manufactures instruction and as directed.

S & F in repair high pressure fuel line with end coupler complete from FIP to injector with new high pressure line fixed properly (without of any leakage) to the engine all as per manufacturer's instructions and as directed..

Remove and refix radiator assembly by brazing / welding if any leakage complete of suitable dimension with cleaning of copper fins by high pressure jet of air / water including connecting ,testing complete all as per manufacturer's instructions and as directed..

S&F in repair anti vibration pad complete all as specified and as directed. Make : Dunlop or equivalent as approved by GE

S&F in repair bottom chamber with nuts and bolts all as specified and as directed.

S&F in repair fuel flexible pipe of suitable length and size as per existing complete all specified and as directed.

S&F in repair water hose pipe of suitable size and length complete all as specified and as directed.

S&F in repair fuel filter Assembly complete all as per manufacturer's instructions and as directed.

Opening of the DG set alternator and taking out the worn out parts, lifting, loading and transportation of DG set/ Alternator to the work shop for rewinding/lathe work and taking back to MES store yard/ installation after repair work, re-assembling of DG sets including testing complete all as per manufacturer's instructions and as directed. Note:- Worn out parts which are to be replaced shall be measured under Ser item No. 6.10 to 6.16 here in below.

S&F in repair carbon bushes complete all as per manufacturer's instructions and as directed.

Cleaning the rotor slots complete all as per manufacturer's instructions and as directed.

Disconnect the self starter from the engine ,loading and shifting motor to work shop for repair to starter by change of carbon bushes , solenoid switch and change of slip rings etc. taking back to MES store and connect to engine including ,commissioning and testing complete all as directed.

S&F in repair ignition switch assembly complete with nuts and bolts on DG set including all electrical connection by using suitable gauge of copper wire and testing complete all as specified and directed.

S & F In repair rubber coupling, bush with rubber ring nuts and bolts of plate type or round in shape as per sample complete all as specified and directed.

S&F in repair copper terminal heavy duty for battery (length 1.5m ) connection with suitable size of copper lugs on one side and brass lead at other end all as directed.

S&F in repair AVR of suitable capacity applicable for 62.5 to 100KVA DG Set all as specified and as directed.

M&L for cleaning and descaling of radiator assembly of any size situated at site by using suitable chemical and blower fan ,injecting water with high pressure in water tubing so as to remove all dirt in the fins, taking down the copper bottom portion of tank for welding / brazing and refit the same after replacing the unserviceable and damaged fins, tank cap, rubber bush and refix the same at the engine of DG sets complete all as per manufacturer's instructions and as directed.

S&F in repair asbestos rope on exhaust pipe of DG sets of any capacity complete as per existing and as directed

Dismantling the exhaust pipe of DG sets at site, carry out necessary repair by necessary welding works and refix the exhaust pipe at the same location all as directed by Engineer-in-charge.

M&L for painting to the entire body of 10 KVA to 20 KVA capacity DG sets including canopy enclosure by scrapping out (and flames if necessary) the old paints , denting, spray painting to the entire body of DG set with minimum two coats of synthetic enamel paint to achieve bright finish of military green colour over a coat of primer and writing of MES/ SM No of DG set all as directed.

Description all as per item No. 10 above, but 30 KVA to 50 KVA capacity of DG set

Description all as per item No. 10 above, but 62.5 KVA to 100 KVA capacity of DG set

Description all as per item No. 10 above, but 100 KVA to 200 KVA capacity of DG set

Opening of the AMF panel by unscrewing screws, nuts bolts etc after removing all connection to DG sets and LT panel and reassemble the AMF panel after repair / replacement of worn out parts including fixing only the serviceable parts/ new parts complete including all connection, commissioning and testing complete all as specified and directed. Note:- (i) Supply only requisite spare parts shall be measured and paid separately vide item No. 14.01 to 14.09 here in under. (ii) The rate quoted by the contractor shall be deemed to be include any additional cabling work/ interconnection of AMF panel to DG set/ DG set to existing panel if required all as directed).

Supply only in replacement for the following spare parts of AMF panel as per existing capacity and make:- Control relay

Description all as per item No. 14.01 above, but OD DC timer

Description all as per item No. 14.01 above, but Line voltage monitor

Description all as per item No. 14.01 above, but Announciator

Description all as per item No. 14.01 above, but EF relay

Description all as per item No. 14.01 above, but Power contactor ,heavy duty ,4 pole of any capacity.

Description all as per item No. 14.01 above, but Current Transformer

Supply and fill coolant of standard specification for top up in radiator of Diesel Engine of any size all as specified and directed.

Repairs to broken disconnected door of DG Set by welding with new hinges, of suitable sizes , supply and fix new door locks as per existing complete all as directed for smooth opening and closing of door .

S&F in replacement of DG set lead acid battery 12 volt filled up with distilled water and in charged condition complete including depositing of old unserviceable battery in MES store all as directed for 12 volt 180 AH capacity.

Description all as per item No. 17 above, but 12 volt 120 AH capacity

Description all as per item No. 17 above, but 12 volt 80 AH capacity

M&L for rewinding of main stator (Field) with suitable gauge of super enamelled copper wire duly varnished, insulated all as specified and directed as 10 KVA up to 30 KVA capacity.

Description all as per item No. 20 above, but 30 KVA up to 50 KVA capacity of DG set

Description all as per item No. 20 above, but 62.5 KVA up to 100KVA capacity of DG set

M&L for testing and Earthing complete withgalvanised steel earth plate elecrode of size 600×600cm× 6mm thick , buried directly in ground (earth pit not less than 2.25 metres deep below ground level) with top edge of the plate not less'than 1.5 metres below normal ground level, connected to GI earth strip of size 32 x 6 mm by means of bolts, nuts, check nuts and washers ofwashers of galvanised iron or steel all as shown in electrical plate No. 5 connected to earthing test point and and necessary excavation and earth work PCC (1:2:6) type C-1 with suitable size of CI cover plate with angle iron frame and opening arrangement ) incl providing copper sulphate and salt in alternate layer of 15 cm compacted thickness all around the earth electrode with funnel and 20 mm bore galvanized iron watering pipe ( light grade) wire mesh, copper lugs, complete in all respect,protected by 40 mm bore (light grade) galvanized iron pipe up to earthing test point as directed, incl disposal of spoil to a distance not exc 50 mtr and necessary testing on completion complete all as specified and as directed by the Engineer-in-charge

M&L for testing and Earthing complete with Copper earth plate of size 600×600cm× 3.15mm thick , buried directly in ground (earth pit not less than 2.25 metres deep below ground level) with top edge of the plate not less'than 1.5 metres below normal ground level, connected to Copper earth strip of size 20 x 3 mm thick as earthing lead by means of bolts, nuts, check nuts and washers ofwashers of galvanised iron or steel all as shown in electrical plate No. 5 connected to earthing test point and and necessary excavation and earth work PCC (1:2:6) type C-1 with suitable size of CI cover plate with angle iron frame and opening arrangement ) incl providing copper sulphate and salt in alternate layer of 15 cm compacted thickness all around the earth electrode with funnel and 20 mm bore galvanized iron watering pipe ( light grade) wire mesh, copper lugs, complete in all respect,protected by 40 mm bore (light grade) galvanized iron pipe up to earthing test point as directed, incl disposal of spoil to a distance not exc 50 mtr and necessary testing on completion complete all as specified and as directed by the Engineer-in-charge

S & F for ON LOAD change over switch 415 Volts in sheet metal enlousres 4 pole of capacity 400 Amps. all as per manufacturer's instructions and complete all as directed. Make- Crompton/Havells/L&T and equivelent .

S & F for ON LOAD change over switch 415 Volts in sheet metal enlousres 4 pole of capacity 250 Amps. all as per manufacturer's instructions and complete all as directed. Make- Crompton/Havells/L&T and equivelent .

M&L for removing of main rotor from stator assembly by dismantling alternator from engine after disconnection of electric connection and rewinding of main rotor with suitable gauge of super enamelled copper wire with 'F' class insulation for capacity 62.5 KVA up to 100 KVA complete all as per manufacturer's instructions and as directed by Engr-in-charge.

S & F for fan belt No, 71/72, A/1350/A52 & 68/69 suitable for 62.5 KVA to 100 KVA DG Set complete all as directed.

S & F for fan belt No, AX49/1275LD, AX49/A1280, suitable for180 KVA & 200 KVA DG set complete all as directed.

S & F for digital display board (Power command) with display symble like Not in Auto, Shutdown, Warning, Remort Start, Auto & Manual run complete suitable for 180 KVA to 200 KVA DG set all as directed.

Supply only distilled water in packed PVC container for lead acid battery complete all as directed.

MOHAMMED SAFIQUE

SKV Engineering

CHANDER SEKER ENTERPRISE