SPECIAL REPAIR TO BER DG SET AND COOLING APPLIANCES AT AF STN HALWARA

Amount

Supply, installation, testing and commissioning of Diesel engine driven generating set 415volt, 3 phase, 4 wire as per BS 5514/IS-10002 complete with standard control panel, of capacity continuous rating 125 KVA/100 KW at NTP conditions with acoustic enclosure and canopy cover considering all derating factors and comprising of the following :- (a) ALTERNATOR : Self regulated with brushless self excitation 125KVA, 415volt, 3 phase, 4 wire, 50 Hertz, 0.8 PF,1500 RPM, with voltage variation plus or minus 2.5% of rated voltage from no-load to full-load, foot mounted, screen protected, drip proof type with class 'F' insulation, closed coupled single bearing alternator, with necessary controls as recommended by the manufacturers, conforming to BS-5000/IS-4772, capable of supplying unbalanced load. (b) Engine : Multi/cylinder, compression ignition, heavy duty, compact diesel engine liquid cooled with standard accessories, all as per BS-5514/ISO-3046,1500 RPM, control gauges, RPM/Hours meters etc; shaft HP suitable for generating application and capable of giving an output of 125KVA/100KW for coupled alternator under NTP conditions, complete with following:- (i) Flywheel housing with flywheel to suit closed coupled single bearing alternator. (ii) Air-cleaner dry type with vacuum indicator.

(iii) Fuel pump and fuel piping 15mm MS pipe with bends, flanges etc. (iv) Fuel filter with water separator and filter element. (v) Lub-oil filter with filter element (vi) DC starter 12 volts. (vii) Storage Batteries of suitable voltage and ampere-hours as recommended by the manufacturers. (viii) Residential silencer as per CPCB norms (ix) Supporting/fixing arrangement for muffler with celiling through antivibration pads. (x) Engine overspeed stop/trip switch. (xi) Radiator with fan. (xii) Dynamo for battery charging. (xiii) Corrosion inhibitor coolant. (xiv) Engine control panel electronic digital display type consisting of battery voltage indicator, lub oil temp and pressure gauges coolant water temp gauge, RPM indicator cum hour meter etc. (xv) Safety controls for alarm due to high water temp (HWT) and low lub oil pressure (LLOP). (xvi) Any other devices/accessories recommended/supplied by the manufacturers as standard eqpt.

(c) SKID : The engine and alternator will be coupled, aligned and mounted on a specially designed common base frame fabricated from MS channels of suitable cross sectional area and length with bottom drilled holes suitable for and including supplying and fixing anti vibration pads of required size and numbers as recommended by the manufacturers for mounting of 125KVA/100KW DG set. (d) AMF Panel : AMF panel shall be of suitable size factory made indoor cubical type front openable fabricated from CRCA steel sheet 1.6mm thick complete as per manufacturer specification of Diesel Engine suitable for DG Set of capacity 125KVA grouted in floor by providing PCC 1:2:4 type B-2 foundation of suitable size as per manufacturers recommendations complete in all respects and consisting of the following :- (i) Contactor ML of suitable capacity. (ii) Aluminium bus bar of capacity 600 Amps (04 Nos) for phase and neutral. (iii) Sensitivity relay set unit with auxiliary relay CT's. (iv) Electronic latch circuit with tripping indication. (v) Instantneous tripping device suitable for complete panel over current 0.5 Amp. (vi) Reset facilities for complete protection of AMF Panel. (vii) Self squential starting relay unit 12 volts DC complete with alarm and power contactor. (viii)Electronic timer 220 Volts for main contactor with 1 No NC auxiliary contactor. (ix) Electronic timer 220 volts for fuel cut off operation for with 1 No NC auxiliary contactor.

(g) PCC/RCC foundation complete as per manufacturers own design or as per directions of Engineer-in- charge. The foundation shall be approved by GE before intallation of DG set. (h) Documents : Three sets of following documents :- Maintenance and operation manuals for engine and alternator, spare parts catalogue, warranty/test certificates, schematic diagrams of control panels. (j) other items : List of tools and two years normal maintenance spares as per manufacturers recommended lists, duly priced, item wise. Notes : (i) DG set shall be tested by the contractor in presence of GE & representative of Accepting Officer and the cost thereof deemed to be included in quoted rates.Testing equipment will be arranged by the contractor at his own cost. (ii) Fuel/oil required for load test shall be arranged by the contractor and cost thereof is deemed to be included in quoted rate. (iii) Make of AMF panel and complete DG set shall be Crompton Greaves or Cummins or Jaksons or Ashok Layland

Supply, installation, testing and commissioning of Diesel engine driven generating set 415volt, 3 phase, 4 wire as per BS 5514/IS-10002 complete with standard control panel, of capacity continuous rating 160 KVA/128 KW at NTP conditions with acoustic enclosure and canopy cover considering all derating factors and comprising of the following :- (a) ALTERNATOR : Self regulated with brushless self excitation 160KVA, 415volt, 3 phase, 4 wire, 50 Hertz, 0.8 PF,1500 RPM, with voltage variation plus or minus 2.5% of rated voltage from no-load to full-load, foot mounted, screen protected, drip proof type with class 'F' insulation, closed coupled single bearing alternator, with necessary controls as recommended by the manufacturers, conforming to BS-5000/IS-4772, capable of supplying unbalanced load. (b) Engine : Multi/cylinder, compression ignition, heavy duty, compact diesel engine liquid cooled with standard accessories, all as per BS-5514/ISO-3046,1500 RPM, control gauges, RPM/Hours meters etc; shaft HP suitable for generating application and capable of giving an output of 160KVA/128KW for coupled alternator under NTP conditions, complete with following:- (i) Flywheel housing with flywheel to suit closed coupled single bearing alternator. (ii) Air-cleaner dry type with vacuum indicator.

(iii) Fuel pump and fuel piping 15mm MS pipe with bends, flanges etc. (iv) Fuel filter with water separator and filter element. (v) Lub-oil filter with filter element (vi) DC starter 24 volts. (vii) Storage Batteries of suitable voltage and ampere-hours as recommended by the manufacturers. (viii) Residential silencer as per CPCB norms (ix) Supporting/fixing arrangement for muffler with celiling through antivibration pads. (x) Engine overspeed stop/trip switch. (xi) Radiator with fan. (xii) Dynamo for battery charging. (xiii) Corrosion inhibitor coolant. (xiv) Engine control panel electronic digital display type consisting of battery voltage indicator, lub oil temp and pressure gauges coolant water temp gauge, RPM indicator cum hour meter etc. (xv) Safety controls for alarm due to high water temp (HWT) and low lub oil pressure (LLOP). (xvi) Any other devices/accessories recommended/supplied by the manufacturers as standard eqpt.

(c) SKID : The engine and alternator will be coupled, aligned and mounted on a specially designed common base frame fabricated from MS channels of suitable cross sectional area and length with bottom drilled holes suitable for and including supplying and fixing anti vibration pads of required size and numbers as recommended by the manufacturers for mounting of 160KVA/128KW DG set. (d) AMF Panel : AMF panel shall be of suitable size factory made indoor cubical type front openable fabricated from CRCA steel sheet 1.6mm thick complete as per manufacturer specification of Diesel Engine suitable for DG Set of capacity 160KVA grouted in floor by providing PCC 1:2:4 type B-2 foundation of suitable size as per manufacturers recommendations complete in all respects and consisting of the following :- (i) Contactor ML of suitable capacity. (ii) Aluminium bus bar of capacity 800 Amps (04 Nos) for phase and neutral. (iii) Sensitivity relay set unit with auxiliary relay CT's. (iv) Electronic latch circuit with tripping indication. (v) Instantneous tripping device suitable for complete panel over current 0.5 Amp. (vi) Reset facilities for complete protection of AMF Panel. (vii) Self squential starting relay unit 24 volts DC complete with alarm and power contactor. (viii)Electronic timer 220 Volts for main contactor with 1 No NC auxiliary contactor. (ix) Electronic timer 220 volts for fuel cut off operation for with 1 No NC auxiliary contactor.

(g) PCC/RCC foundation complete as per manufacturers own design or as per directions of Engineer-in- charge. The foundation shall be approved by GE before intallation of DG set. (h) Documents : Three sets of following documents :- Maintenance and operation manuals for engine and alternator, spare parts catalogue, warranty/test certificates, schematic diagrams of control panels. (j) other items : List of tools and two years normal maintenance spares as per manufacturers recommended lists, duly priced, item wise. Notes : (i) DG set shall be tested by the contractor in presence of GE & representative of Accepting Officer and the cost thereof deemed to be included in quoted rates.Testing equipment will be arranged by the contractor at his own cost. (ii) Fuel/oil required for load test shall be arranged by the contractor and cost thereof is deemed to be included in quoted rate. (iii) Make of AMF panel and complete DG set shall be Crompton Greaves or Cummins or Jaksons or Ashok Layland

M&L earthing complete with galvanized steel earth plate electrode 60cm X 60cm X 6mm thick buried directly vertically in ground to depth not less than 2.25 mtr below ground level, with top edge of earth plate not less than 1.5 mtr below ground level surrounded from all sides by 15cm thick packed layer of Charcoal dust & common salt filled in alternate layers and electrode connected to GI earth lead strip 32mm x 6mm upto 7.5mtr long by means of bolts, nuts, check nuts and washers of galvanized iron and connection to earthing test point & earth dolly and including watering pipe medium grade GI 20mm bore & protection pipe light grade GI 40mm bore, including wire mesh, funnel, lugs, salt, charcoal dust, excavation in soft/losse soil, returning filling & removal of surplus soil upto 50mtr, pit chamber shall be of PCC 1:2:4 type B1 using 20 mm graded mechnically crushed stone aggregates and pit cover slab 80mm thick shall be of Precast RCC 1:2:4 type B-1 using 20 mm graded mechnically crushed stone aggregates reinforced with XPM weighing not less than 4Kg/sqm including necessary form work complete all as shown in electrical plate No 3 of SSR part-I, including testing on completion at site complete all as specified and directed. Notes:- (i) Any variation in length of earth lead and protection pipe of earth lead shall be adjusted through DO. (ii) On testing if the desired earth resistance is not obtained, earthing will be generated at no extra cost , till the desired earth resistance is obtained. (iii) The chamber shall be constructed atleast 1.5 mtr away from the earth electrode.

Supply, installation, fixing, testing and commissioning AC Split type, intellisense inverter technology compressor, five star energy saving unit, single phase, cooling capacity 1.5 TR including remote control unit, plasma filter for better indoor air quality with minimum five star rating electric driven and split AC copper condensing unit (outdoor unit) fixed on suitable size perforated angle iron frame for mounting condensing unit as required and evaporator grouted in side room at suitable height with provision of outlet PVC pipe for draining out condensed water upto floor level and gas connection by soldering or brazing including extra copper pipe duly insulated by insulator material and filling of gas where required and testing after installation complete all as specified and directed.

Supply, installation, fixing, testing and commissioning AC window type, intellisense inverter technology compressor, five star energy saving unit, single phase, cooling capacity 1.5 TR including remote control unit, anti dust filter, blue fins, two way swings, LED display with electric driven and copper condensing unit fixed on suitable size of window including make hole of suitable size for window AC and finishing the hole by PCC work and filling of gas where as required and testing after installation complete all as specified and directed.

Supply and fix 5 KVA wall mounting type Electronic Voltage stablizer for automatic operation, single phase naturally air cooled indoor type and designed for input variation between 170V to 250V with output voltage stablized at 230V with accuracy of + 2.5% complete all as specified and directed.

M&L for submin wiring with 2 runs of 6 sqmm and 1 run of 6 sqmm FRLS insulated, unsheathed multistranded, 1100 volts grade copper conductor cable single core, drawn through and including rigid non-metalic PVC conduit and its accessories of suitable size but not less than 25mm (OD) on stone/concrete/wall/roof surfaces complete all as specified and directed.

Supply and fix single pole and neutral enclosure with a two pin and earth plug and socket complete with one single pole MCB of 32 Amps rating 10 KA, "C" curve, 415 volts complete all as specified and directed.

BEHL AND COMPANY

JASSI TRADERS

CHOUDHARY ENTERPRISES

SHARP ENGINEERING WORKS

MONA GENERATOR SEVICES PVT. LTD.