REPLACEMENT OF BER DG SET AT NAD ALWAYE

Amount

Dismantling and taking out unserviceable BER DG Set from plant room, 225/75 KVA capacity with all accessories, control panel and other parts complete and making good the disturbed surface as per existing and as required for the new DG Set complete including transportation all as specified and directed. (Note: Plant shall be kept/ stored as directed by Engineer in charge within one KM and rates for transportation / labour shall be deemed to be included in the item quoted rates).

Dismantling and taking out unserviceable BER DG Set from plant room, 30 KVA capacity with all accessories, control panel and other parts complete and making good the disturbed surface as per existing and as required for the new DG Set complete including transportation all as specified and directed. (Note: Plant shall be kept/ stored as directed by Engineer in charge within four KM and rates for transportation / labour shall be deemed to be included in the item quoted rates).

Supplying, installation, testing and commissioning factory assembled silent diesel engine driven 1500 RPM, Generating set not less than 250 KVA capacity with 10% over load for one hour in 12 hours of continuous operation and suitable for 40ºC ambient temperature as per IS 10002/BS-5514 including integrated Standard control panel system microprocessor based generator set monitoring protection and electronic governing system having digital display for Current, Voltage, Frequency, PF etc, Including Safety controls for Low lubricating oil pressure trip, High water temperature trip, Over speed trip etc integrated powder coated acoustic enclosure, as per CPCB-II regulation and duly certified by agencies/labs designated by CPCB-II for noise and pollution level to make it compliant to emission limits as brought out in GSR issued by Ministry of Environment including exhaust pipe of suitable size from DG Set to Outside of Power house building etc complete all as specified and comprising of the following

(a) ENGINE : Diesel Engine of requisite capacity 6 cylinder, Inline , 4 stroke heavy duty water cooled (radiator and cooling fan system) at a speed of 1500 RPM rated for continuous duty and comprising of the following:- (i) Fuel system fuel pump and electronic Governor, injector, 12 Volt, DC Solenoid coil and replaceable fuel filter. (ii) Fuel and Lubricating oil filter, fuel hoses. (iii) Water pump and Lubricating oil pump (iv) Electric starting system 12 volts DC with battery charging alternator and axial type starter motor including adequate number of high capacity maintenance free starting battery capacity not less than 90 AH, 1 x 12 volts including interconnecting cables with terminals complete. (v) Exhaust system with turbocharger, exhaust silencer. (vi) Flexible pipe for silencer. (b) ALTERNATOR: - Self exciting, self regulating, brush less alternator rated for not less than 250 KVA continuous operation at the speed of 1500 RPM at 415 volts, 50 Hz, 3 phase, 4 wire system with advance electronic voltage regulator to ensure high voltage accuracy within -+1% with class ‘H’ insulation and IP 23 enclosure directly coupled with engine and conforming to IS: 4722. (c) Common fabricated base frame for engine and alternator made from structural channel/joint/angle iron etc including adequate number of suitable anti vibration pads all as per the recommendation of the manufacturers. (d) In built Sheet steel fuel tank mounted inside the enclosure along with fuel piping from tank to engine with minimum 8 Hours running capacity complete with drain valve, air vent inlet and outlet connections. (e) Suitable exhaust pipe duly covered with aluminium sheet inside the enclosure silencer mounted on the top of enclosures and exhaust trail pipe and with muffler complete all as per manufacturer’s standards. (f) Maintenance manual & part list of engine and alternator of engine and Alternator both.

(g) Supply, fixing testing and commissioning AMF Panel with Enclosure totally metal enclosed, consisting of Alu Zinc Profiles with minimum 3 bend and with punching / piercing in regular pitches for modularity with a material thickness of not less than 14SWG (2mm).The skeletal structures should be bay able to all sides, free standing, Dust and vermin proof, cubicle with compartmentalized design to accommodate modules with ACBs, MCCBs, form 4b construction. Each Panel shall be bayed and arranged to form a single structure with a common Main Bus Bar assembly. The Switchgear panel shall be provided with integral base frame for each vertical panel which shall be suitable for directly bolting to the foundation bed at site. The hinged doors & bolted doors shall be of minimum 16SWG (1.6mm) CRCA Sheet with powder coating and partitions shall be of minimum 18SWG (1.2mm) GI sheet. Gland Plates should be made out of minimum 2.0mm thickness sheet steel. Base Frame of height of 75mm shall be provided for individual shipping section. The design of the Base Frame shall ensure to take the weight of components including Panels. Each compartment shall be provided with hinged door interlocked with SDF/MCCB housed inside the compartment so that door cannot be opened unless the SDF/MCCB is in 'OFF' position. Hinges shall be concealed type (Not visible from outside). All steel work used in the construction of the panel should have undergone rigorous metal treatment process. 7-Tank pre-treatment process shall be followed to remove Oil, Grease and Dirt. This shall be followed by uniform powder coating with min paint thickness of 80-100 microns with RAL 7035 Shade. Finished painted appearance of equipment shall present aesthetically pleasing appearance, free from dents and uneven surface. Metal parts of the Panels should have a convincing corrosion protection certification of minimum 500 hours of salt spray test. Wiring for all controls, protection, metering etc. inside the control panel should be done with 650V grade PVC insulated, flexible FRLS copper wires. 0.5/0.75 Sq mm wires for PLC, 1.5 Sq mm for controls & 2.5 Sq mm for CT secondary. Bus Bar supports of SMC / DMC should be provided at suitable intervals. All live bus bars suitably shrouded with 3mm thick SMC sheet to avoid human contact, once the doors are opened. Poly urethane formed gaskets to be provided for all the openable doors and covers comprising of the following :-

1 EB INCOMER: (i) 800Amp, 4 Pole, 50KA, EDO ACB with Microprocessor based LSIG Release, (Overload, Short Circuit & Earth Fault), Under Voltage Release - 1No. (ii) Phase Indication Lamps (R, Y, B Phases) - 1Set (iii) Digital Voltmeter suitable for 3 Phase measurements - 1No (iv) Digital Multifunction meter suitable for parameters V, A, F, PF, kW, kVA, kVAR, kWh, kVAh, kVARh, Run Hours, On Hours, Phase Angle, Interrupts, THD, Events (High – Low), Neutral Current & K Factor with RS 485 Communication Port - 1No. (v) Digital Ammeter suitable for 1 Phase measurement - 3Nos (vi) 600/5A, 15VA, CL-1.0, Resin Cast type Current Transformers - 3Nos. (vii) 2A, SP, Control MCBs - 6Nos (viii) 6A, SP, Control MCB - 1No. (ix) ACB Close, Open, Trip Indication Lamps - 1 Set. (x) ACB Close, Open Pushbuttons - 1 Set. (xi) Supply Monitoring Relay (SM500) - 1No (2) EMERGENCY BY PASS FOR EB INCOMER: (i) 630Amp, 4 Pole, 36KA, MCCB with thermal magnetic Release adjustable type, (Overload, Short Circuit) - 1No. (ii) Phase Indication Lamps (R, Y, B Phases) - 1Set. (iii) 2Amp, SP, Control MCBs - 3Nos, (iv) Castell Lock with Key (Digit –A) - 1No

(3) 250KVA DG#1 INCOMER: (i) 630Amp, 4 Pole, 50KA, EDO ACB with Microprocessor based LSIG Release, (Overload, Short Circuit & Earth Fault), Under Voltage Release - 1No. (ii) Phase Indication Lamps (R, Y, B Phases) - 1 Set (iii) Digital Voltmeter suitable for 3 Phase measurements - 1No (iv) Digital Multifunction meter suitable for parameters V, A, F, PF, kW, kVA, kVAR, kWh, kVAh, kVARh, Run Hours, On Hours, Phase Angle, Interrupts, THD, Events (High – Low), Neutral Current & K Factor with RS 485 Communication Port - 1No. (v) Digital Ammeter suitable for 1 Phase measurement - 3Nos (vi) 400/5A, 15VA, CL-1.0, Resin Cast type Current Transformers - 03 (vii) 2Amp, SP, Control MCBs - 6Nos. (viii) 6Amp, SP, Control MCBs - 1No. (ix) ACB Close, Open, Trip Indication Lamps - 1 Set. (x) ACB Close, Open Pushbuttons - 1 Set (xi) Single Phase Reverse Power Relay - 1No. (4) EMERGENCY BY PASS FOR 250KVA DG#1 INCOMER: (i) 400Amp, 4 Pole, 36KA, MCCB with thermal magnetic Release adjustable type, (Overload, Short Circuit ) - 01 No (ii) Phase Indication Lamps (R, Y, B Phases) - 1 Set (iii) 2Amp, SP, Control MCBs - 03 Nos (iv) Castell Lock with Key (Digit –A) - 01 No.

(5) 82.5KVA DG#1 INCOMER: (i) 160A, 4 Pole, 36KA, MCCB with thermal magnetic Release adjustable type, (Overload, Short Circuit ) - 01 No (ii) Power contactor 140A, AC3 Duty (200A AC 1 Duty) - 01 No (iii) Phase Indication Lamps (R, Y, B Phases) - 1 Set (iv) Digital Voltmeter suitable for 3 Phase measurements - 1No (v) Digital Multifunction meter suitable for parameters V, A, F, PF, kW, kVA, kVAR, kWh, kVAh, kVARh, Run Hours, On Hours, Phase Angle, Interrupts, THD, Events (High – Low), Neutral Current & K Factor with RS 485 Communication Port - 1No. (vi) Digital Ammeter suitable for 1 Phase measurement - 3 Nos (vii) 125/5A, 15VA, CL-1.0, Resin Cast type Current Transformers - 03 Nos (viii) 2Amp, SP, Control MCBs - 6 Nos. (ix) 6Amp, SP, Control MCBs - 1 No. (x) Contactor Close, Open, Trip Indication Lamps - 1 Set. (xi) Contactor Close, Open Pushbuttons - 1 Set (xii) Single Phase Reverse Power Relay - 1No.

Supply, installation, testing and commissioning factory assembled silent diesel engine driven 1500 RPM, Generating set not less than 82.5 KVA capacity with 10% over load for one hour in 12 hours of continuous operation and suitable for 40ºC ambient temperature as per IS 10002/BS-5514 including integrated Standard control panel system microprocessor based generator set monitoring protection and electronic governing system having digital display for Current, Voltage, Frequency, PF etc, Including Safety controls for Low lubricating oil pressure trip, High water temperature trip, Over speed trip etc integrated powder coated acoustic enclosure, as per CPCB-II regulation and duly certified by agencies/labs designated by CPCB-II for noise and pollution level to make it compliant to emission limits as brought out in GSR issued by Ministry of Environment including exhaust pipe of suitable size from DG Set to Outside of Power house building etc complete all as specified and comprising of the following (a) Diesel Engine of requisite capacity 6 cylinder, Inline , 4 stroke heavy duty water cooled (radiator and cooling fan system) at a speed of 1500 RPM rated for continuous duty and comprising of the following : (a) Diesel Engine of requisite capacity 6 cylinder, Inline , 4 stroke heavy duty water cooled (radiator and cooling fan system) at a speed of 1500 RPM rated for continuous duty and comprising of the following : (i) Fuel system fuel pump and electronic Governor, injector, 12 Volt, DC Solenoid coil and replaceable fuel filter. (ii) Fuel and Lubricating oil filter, fuel hoses. (iii) Water pump and Lubricating oil pump

(iv) Electric starting system 12 volts DC with battery charging alternator and axial type starter motor including adequate number of high capacity maintenance free starting battery capacity not less than 90 AH, 1 x 12 volts including interconnecting cables with terminals complete. (v) Exhaust system with turbocharger, exhaust silencer. (vi) Flexible pipe for silencer. (b) ALTERNATOR: - Self exciting, self regulating, brush less alternator rated for not less than 82.5 KVA continuous operation at the speed of 1500 RPM at 415 volts, 50 Hz, 3 phase, 4 wire system with advance electronic voltage regulator to ensure high voltage accuracy within +1% with class ‘H’ insulation and IP 23 enclosure directly coupled with engine and conforming to IS: 4722. (c) Common fabricated base frame for engine and alternator made from structural channel/joint/angle iron etc including adequate number of suitable anti vibration pads all as per the recommendation of the manufacturers. (d) In built Sheet steel fuel tank mounted inside the enclosure along with fuel piping from tank to engine with minimum 8 Hours running capacity complete with drain valve, air vent inlet and outlet connections. (e) Suitable exhaust pipe duly covered with aluminium sheet inside the enclosure silencer mounted on the top of enclosures and exhaust trail pipe and with muffler complete all as per manufacturer’s standards. (f) Maintenance manual & part list of engine and alternator of engine and Alternator both.

Supplying, installation, testing and commissioning factory assembled silent diesel engine driven 1500 RPM, Generating set not less than 62.5 KVA capacity with 10% over load for one hour in 12 hours of continuous operation and suitable for 40ºC ambient temperature as per IS: 10002/BS-5514 including integrated Standard control panel system microprocessor based generator set monitoring protection and electronic governing system having digital display for Current, Voltage, Frequency, PF etc, Including Safety controls for Low lubricating oil pressure trip, High water temperature trip, Over speed trip etc integrated powder coated acoustic enclosure, as per CPCB-II regulation and duly certified by agencies/labs designated by CPCB-II for noise and pollution level including fitted with Emission Control Device to make it compliant to emission limits as brought out in GSR issued by Ministry of Environment including exhaust pipe of suitable size from DG Set to Outside of Power house building etc complete all as specified and comprising of the following (a) Diesel Engine of requisite capacity 4 cylinder, Inline , 4 stroke heavy duty water cooled (radiator and cooling fan system) at a speed of 1500 RPM rated for continuous duty and comprising of the following:- (i) Fuel system fuel pump and electronic Governor, injector, 12 Volt, DC Solenoid coil and replaceable fuel filter. (ii) Fuel and Lubricating oil filter, fuel hoses. (iii) Water pump and Lubricating oil pump

(iv) Electric starting system 12 volts DC with battery charging alternator and axial type starter motor including adequate number of high capacity maintenance free starting battery capacity not less than 90 AH, 1 x 12 volts including interconnecting cables with terminals complete. (v) Exhaust system with turbocharger, exhaust silencer. (vi) Flexible pipe for silencer. (b) ALTERNATOR: - Self exciting, self regulating, brush less alternator rated for not less than 62.5 KVA continuous operation at the speed of 1500 RPM at 415 volts, 50 Hz, 3 phase, 4 wire system with advance electronic voltage regulator to ensure high voltage accuracy within +1% with class ‘H’ insulation and IP 23 enclosure directly coupled with engine and conforming to IS: 4722. (c) Common fabricated base frame for engine and alternator made from structural channel/joint/angle iron etc including adequate number of suitable anti vibration pads all as per the recommendation of the manufacturers. (d) In built Sheet steel fuel tank mounted inside the enclosure along with fuel piping from tank to engine with minimum 8 Hours running capacity complete with drain valve, air vent inlet and outlet connections. (e) Suitable exhaust pipe duly covered with aluminium sheet inside the enclosure silencer mounted on the top of enclosures and exhaust trail pipe and with muffler complete all as per manufacturer’s standards. (f) Maintenance manual & part list of engine and alternator of engine and Alternator both.

(g) Supply, fixing testing and commissioning AMF Panel with Enclosure totally metal enclosed, consisting of Alu Zinc Profiles with minimum 3 bend and with punching / piercing in regular pitches for modularity with a material thickness of not less than 14SWG (2mm).The skeletal structures should be bay able to all sides, free standing, Dust and vermin proof, cubicle with compartmentalized design to accommodate modules with ACBs, MCCBs, form 4b construction. Each Panel shall be bayed and arranged to form a single structure with a common Main Bus Bar assembly. The Switchgear panel shall be provided with integral base frame for each vertical panel which shall be suitable for directly bolting to the foundation bed at site. The hinged doors & bolted doors shall be of minimum 16SWG (1.6mm) CRCA Sheet with powder coating and partitions shall be of minimum 18SWG (1.2mm) GI sheet. Gland Plates should be made out of minimum 2.0mm thickness sheet steel. Base Frame of height of 75mm shall be provided for individual shipping section. The design of the Base Frame shall ensure to take the weight of components including Panels. Each compartment shall be provided with hinged door interlocked with SDF/MCCB housed inside the compartment so that door cannot be opened unless the SDF/MCCB is in 'OFF' position. Hinges shall be concealed type (Not visible from outside). All steel work used in the construction of the panel should have undergone rigorous metal treatment process. 7-Tank pre-treatment process shall be followed to remove Oil, Grease and Dirt. This shall be followed by uniform powder coating with min paint thickness of 80-100 microns with RAL 7035 Shade. Finished painted appearance of equipment shall present aesthetically pleasing appearance, free from dents and uneven surface. Metal parts of the Panels should have a convincing corrosion protection certification of minimum 500 hours of salt spray test. Wiring for all controls, protection, metering etc. inside the control panel should be done with 650V grade PVC insulated, flexible FRLS copper wires. 0.5/0.75 Sq mm wires for PLC, 1.5 Sq mm for controls & 2.5 Sq mm for CT secondary. Bus Bar supports of SMC / DMC should be provided at suitable intervals. All live bus bars suitably shrouded with 3mm thick SMC sheet to avoid human contact, once the doors are opened. Poly urethane formed gaskets to be provided for all the open able doors and covers comprising of the following :-

(1) EB INCOMER: (i) 250A, 4 Pole, 36KA, MCCB with thermal magnetic Release adjustable type, (Overload, Short Circuit) - 1No. (ii) Phase Indication Lamps (R, Y, B Phases) - 1Set (iii) Digital Voltmeter suitable for 3 Phase measurements - 1No (iv) Digital Multifunction meter suitable for parameters V, A, F, PF, kW, kVA, kVAR, kWh, kVAh, kVARh, Run Hours, On Hours, Phase Angle, Interrupts, THD, Events (High – Low), Neutral Current & K Factor with RS 485 Communication Port - 1No. (v) Digital Ammeter suitable for 1 Phase measurement - 3Nos (vi) 250/5A, 15VA, CL-1.0, Resin Cast type Current Transformers - 3Nos. (vii) 2A, SP, Control MCBs - 6Nos (viii) 6A, SP, Control MCB - 1No. (ix) ACB Close, Open, Trip Indication Lamps - 1 Set. (x) ACB Close, Open Pushbuttons - 1 Set. (xi) Supply Monitoring Relay (SM500) - 1No (2) EMERGENCY BY PASS FOR EB INCOMER: (i) 250A, 4 Pole, 36KA, MCCB with thermal magnetic Release adjustable type, (Overload, Short Circuit) - 1No. (ii) Phase Indication Lamps (R, Y, B Phases) - 1Set. (iii) 2A, SP, Control MCBs - 3Nos, (iv) Castell Lock with Key (Digit –A) - 1No

(3) 62.5KVA DG#1 INCOMER: (i) 100A, 4 Pole, 36 KA, MCCB with thermal magnetic Release adjustable type, (Overload, Short Circuit) - 1No.. (ii) Phase Indication Lamps (R, Y, B Phases) - 1 Set (iii) Digital Voltmeter suitable for 3 Phase measurements - 1No (iv) Digital Multifunction meter suitable for parameters V, A, F, PF, kW, kVA, kVAR, kWh, kVAh, kVARh, Run Hours, On Hours, Phase Angle, Interrupts, THD, Events (High – Low), Neutral Current & K Factor with RS 485 Communication Port - 1No. (v) Digital Ammeter suitable for 1 Phase measurement - 3Nos (vi) 100/5A, 15VA, CL-1.0, Resin Cast type Current Transformers – 03 Nos (vii) 2A, SP, Control MCBs - 6Nos. (viii) 6A, SP, Control MCBs - 1No. (ix) ACB Close, Open, Trip Indication Lamps - 1 Set. (x) ACB Close, Open Pushbuttons - 1 Set (xi) Single Phase Reverse Power Relay - 1No. (4) EMERGENCY BY PASS FOR 62.5KVA DG#1 INCOMER: (i) 100A, 4 Pole, 36KA, MCCB with thermal magnetic Release adjustable type, (Overload, Short Circuit) - 1No. (ii) Phase Indication Lamps (R, Y, B Phases) - 1 Set (iii) 2A, SP, Control MCBs - 03 Nos (iv) Castell Lock with Key (Digit –A) - 01 No. (5) OUTGOING MCCB FEEDER: 250A, 4 Pole, 36KA, MCCB with thermal magnetic Release adjustable type, (Overload, Short Circuit) - 1No.

Supply, laying and testing cable XLPE insulated, screened, PVC bedded, galvanized steel strip or wire armoured, electric power cables (heavy duty) 1100 Volts grade with stranded aluminium conductor of size 300 sqmm 3.5 core Confirming to IS 7098 (Part l) 1988 complete all as specified and directed.

Ditto All as per Sl Item No 6, but for aluminium conductor of size 120 sqmm 3.5 core

Ditto All as per Sl Item No 6, but for aluminium conductor of size 95 sqmm 3.5 core

Excavation in trenches, not exceeding 1.5 metre wide and not exceeding 1.5 metre in depth, for foundation, laying of pipes, cables, etc. or for shafts, wells, cesspits, manholes, pier holes, etc, not exceeding 10 sq m on plan and not exceeding 1.5 metre in depth and getting out in soft/loose soil complete all as specified and directed.

Returning, filling in, including spreading, leveling, watering and well ramming in layers not exceeding 25 cm in soft/loose soil complete all as specified and directed.

Removing excavated material n exc. 50m and depositing where directed at a level not exceeding 1.5 m above the starting point complete all as specified and directed.

Supply and spreading locally available dry River sand for covering and cushioning of UG Cable in trenches complete all as specified and directed.

Supplying and laying un-reinforced precast concrete cable cover, Class LV, Type I, flat size of 250 mm x 150mm x 40mm complete all as specified and directed.

Material & Labour for Earthing complete with copper earth plate electrode 600X600X3.15mm thick, buried directly in ground (earth pit not less than 2.25 metres deep below ground level) earth plate paced on all side with charcoal mixed with salt to a thickness of 150mm in layers, with top edge of the plate not less than 1.5 metres below normal ground level, connected to copper earth strip 20 x 3 mm dia, soldered and revetted to earth plate. Earth strip will be protected by using 40mm dia bore GI pipe light grade. The earthing includes PCC Pit chamber, RCC pit cover and frame, watering pipe 20mm bore, funnel with wire mess with necessary earth work including disposal of surplus soil to a distance not less than 50 metres etc complete all as shown in electrical plate No. 3 of SSR Part-I 2009, connected to earthing test point all as specified or indicated including testing on completion.

ABM ELECTRICALS