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| # | Company | Amount | Rank | Status |
|---|---|---|---|---|
| 1 | L1₹92.7 LAccepted-AOC H M APARTMENT 4C S J ROAD ATHGAON GUWAHATI 781001 | GUWAHATI | KAMRUP METRO | ASSAM | 781001 | L1 | Accepted-AOC Being L1 | |
| 2 | L2₹98.2 L+₹5.4 L (5.86%)Rejected-AOC 12 BHARTI AARTIST COLONY VIKAS MARG NEW DELHI 110092 | EAST | DELHI | 110092 | L2 | Rejected-AOC Not Being L1 | |
| 3 | L3₹1.0 Cr+₹7.3 L (7.85%)Rejected-AOC | L3 | Rejected-AOC Not Being L1 | |
| 4 | L4₹1.0 Cr+₹11.3 L (12.2%)Rejected-AOC | L4 | Rejected-AOC Not Being L1 | |
| 5 | L5₹1.2 Cr+₹23.5 L (25.3%)Rejected-AOC AZARA BHARALIPARA NEAR AZARA PUBLIC HALL GUWAHATI 781017 ASSAM | KAMRUP METRO | ASSAM | 781017 | L5 | Rejected-AOC Not Being L1 |
| Sl No | Description | Qty | Unit | MCC MECHANICAL AND ENGINEERING CORPORATION L3 | Ms N D Enterpise L5 | Vijaypower Generators Limited L2 | M/S. SUBHAS CONSTRUCTION CO. L1 | M/s Dhruv Enterprises L4 |
|---|---|---|---|---|---|---|---|---|
| 1.00 | Supply, installation, testing and commisioning of microprocessor based water cooled ,silent Diesel Engine driven generating set of capacity 125 KVA ,415 volts, 3 phase 4 wire, AMF panel having 2 years maintenance sapres with anti vibration pad / dampers and fixed on PCC foundation of suitable size as per manufacturer instruction incl Genset Model No -KG4-125WS1 or equivalent make as per PS
(a) Diesel Engine :- water cooled, 4 cylinder developing 156 HP , 4 stroke cycle at 1500 RPM under normal NTP condition at Digaru Stn as per IS 10001/10002, ISO 8528 -1 the engine shall be provided with electrical starting arrangement. The engine will comply with latest CPCB VI+ norms and is complete with (a) starter motor,(b) Battery charging alternator, (c) Dry type air cleaner, (d) fuel pump, (e) G3 class Governor, (f) flywheel with flywheel housing, (g) exhaust Silencer, (h) first fill of lub oil, (j) Engine protection - low lubeoil pressure and high water temperature with 12 V battery of suitable AH as per OEM recommendation with copper leads and brass terminals ( k) Radiator with fan etc complete all as specified and as directed. The engine should be designed to run continiously at 1500 RPM with an overload capacity of 10% for one hr in every 12 hrs. The noise level should be less then 75 DB as per latest CPCB norms Fuel tank of capacity not less then 230 ltrs shall be provided with DG set . the tank shall be. completed with an outlet , drain plug , air vent , air breather and necessary piping . Fuel tank shall be fitted inside accoustic enclosure. | 2 | Each | 21,71,811 ₹43,43,622 | 23,70,000 ₹47,40,000 | 21,58,000 ₹43,16,000 | 18,50,000 ₹37,00,000 Lowest | 21,74,080 ₹43,48,160 |
| 1.01 | (b) Alternator :- The alternator shall be rated with 125 KVA(100KW) output at NTP suitable for continious operation at 1500 RPM developing 415 Volts at 0.8 PF(lag) for 50 Hz, 3ph, 4 wire system. the alternator shall be brushless type provided with suitable AVR, self excited , self regulated, floor mounted, overload capacity 10% for 1 hour in any 12 hours operation without exceeding temperature raise limit. Insulation class of the alternator is H class. alternator efficiency at 0.8 pf lag should not be less than 91.9%. Maximum voltage dip at full load 0.8 PF ( lag ) should not be less then 20%. Max time to build up rated voltage at rated RPM should be less then 2 Sec, provided engine reach the rated speed.
(c) Sound proof enclosure :- The engine should be supplied with special sheet metal fabricated on CNC machine , powder coated enclosure designed for reducing the sound level to 75 dB ( avg) all arround Brand marking as per IS 8528 part 10 as per approved CPCB. Model No KOEL Green Silent Engine model No - 4K1080ETA 4G1 or Techicommercially equal model of make specified in PS. | - | - | - | - | - | - | - |
| 3.00 | Supply, installation, testing and commisioning of microprocessor based water cooled ,silent Diesel Engine driven generating set of capacity 58.5 KVA ,415 volts, 3 phase 4 wire, AMF panel having 2 years maintenance sapres with anti vibration pad / dampers and fixed on PCC foundation of suitable size as per manufacturer instruction incl having Gen set model No -KG4-58.5WS or equivalent make as per PS
(a) Diesel Engine :-water cooled, 4 cylinder developing 74 HP , 4 stroke cycle at 1500 RPM under normal NTP condition at Digaru Stn as per IS 10001/10002, ISO 8528 -1 the engine shall be provided with electrical starting arrangement. The engine will comply with latest CPCB VI+ norms and is complete with (a) starter motor,(b) Battery charging alternator, (c) Dry type air cleaner, (d) fuel pump, (e) G2 class Governor, (f) flywheel with flywheel housing, (g) exhaust Silencer, (h) first fill of lub oil, (j) Engine protection - low lubeoil pressure and high water temperature with 12 V battery of suitable AH as per OEM recommendation with copper leads and brass terminals ( k) Radiator with fan etc complete all as specified and as directed. The engine should be designed to run continiously at 1500 RPM with an overload capacity of 10% for one hr in every 12 hrs. The noise level should be less then 75 DB as per latest CPCB norms Fuel tank of capacity not less then 165 ltrs shall be provided with DG set . the tank shall be completed with an outlet , drain plug , air vent , air breather and necessary piping . Fuel tank shall be fitted inside accoustic enclosure. | 1 | Each | 12,43,821 ₹12,43,821 | 13,90,000 ₹13,90,000 | 13,14,000 ₹13,14,000 | 11,00,000 ₹11,00,000 Lowest | 13,06,240 ₹13,06,240 |
| 3.01(b) Alternator :- The alternator shall be rated with 58.5 KVA(46.8KW) output at NTP suitable for continious operation at 1500 RPM developing 415 Volts at 0.8 PF(lag) for 50 Hz, 3ph, 4 wire system. the alternator shall be brushless type provided with suitable AVR, self excited , self regulated, floor mounted, overload capacity 10% for 1 hour in any 12 hours operation without exceeding temperature raise limit. Insulation class of the alternator is H class. alternator efficiency at 0.8 pf lag should not be less than 90.8%. Maximum voltage dip at full load 0.8 PF ( lag ) should not be less then 20%. Max time to build up rated voltage at rated RPM should be less then 2 Sec, provided engine reach the rated speed. (c) Sound proof enclosure :- The engine should be supplied with special sheet metal fabricated on CNC machine , powder coated enclosure designed for reducing the sound level to 75 dB ( avg) all orround Brand marking as per IS 8528 part 10 as per approved CPCB. KOEL Green Silent DG Engine model No - 4R810ETA 4G1 or Techicommercially equal model of make specified in PS. | ||||||||
| 4.00 | Supply, installation, testing and commisioning of microprocessor based water cooled ,silent Diesel Engine driven generating set of capacity 25 KVA ,415 volts, 3 phase 4 wire, AMF panel having 2 years maintenance sapres with anti vibration pad / dampers and fixed on PCC foundation of suitable size as per manufacturer instruction incl Genset Model No -KG4-25WS1 or equivalent make as per PS
(a) Diesel Engine :- water cooled, 3 cylinder developing 36 HP , 4 stroke cycle at 1500 RPM under normal NTP condition at Digaru Stn as per IS 10001/10002, ISO 8528 -1 the engine shall be provided with electrical starting arrangement. The engine will comply with latest CPCB VI+ norms and is complete with (a) starter motor,(b) Battery charging alternator, (c) Dry type air cleaner, (d) fuel pump, (e) G2 class Governor, (f) flywheel with flywheel housing, (g) exhaust Silencer, (h) first fill of lub oil, (j) Engine protection - low lubeoil pressure and high water temperature with 12 V battery of suitable AH as per OEM recommendation with copper leads and brass terminals ( k) Radiator with fan etc complete all as specified and as directed. The engine should. be designed to run continiously at 1500 RPM with an overload capacity of 10% for one hr in every 12 hrs. The noise level should be less then 75 DB as per latest CPCB norms Fuel tank of capacity not less then 50 ltrs shall be provided with DG set . the tankshall be completed with an outlet , drain plug , air vent , air breather and necessary piping . Fuel tank shall be fitted inside accoustic enclosure. | 1 | Each | 9,11,811 ₹9,11,811 | 10,00,000 ₹10,00,000 | 7,94,000 ₹7,94,000 Lowest | 8,00,000 ₹8,00,000 | 9,36,320 ₹9,36,320 |
| 4.01(b) Alternator :- The alternator shall be rated with 25 KVA(20KW) output at NTP suitable for continious operation at 1500 RPM developing 415 Volts at 0.8 PF(lag) for 50 Hz, 3ph, 4 wire system. the alternator shall be brushless type provided with suitable AVR, self excited , self regulated, floor mounted, overload capacity 10% for 1 hour in any 12 hours operation without exceeding temperature raise limit. Insulation class of the alternator is H class. alternator efficiency at 0.8 pf lag should not be less than 87.9%. Maximum voltage dip at full load 0.8 PF ( lag ) should not be less then 20%. Max time to build up rated voltage at rated RPM should be less then 2 Sec, provided engine reach the rated speed. (c) Sound proof enclosure :- The engine should be supplied with special sheet metal fabricated on CNC machine , powder coated enclosure designed for reducing the sound level to 75 dB ( avg) all orround Brand marking as per IS 8528 part 10 as per approved CPCB. KOEL Green Silent DG set engine Model No -3R55OETA 4G1 , or Techicommercially equal model of make specified in PS. | ||||||||
| 5.00 | Supply and fix outdoor type servo controlled voltage stabilizer (conforming as per BIS 9815 part -1 1994 reaffirmed 2019)3 phase 50 Hz , naturally oil cooled, outdoor, unballanced type copper wound digital display type, relay free smooth and silent operation with first filling of transformer oil(IS 335: 2018)having following specification (a) input voltage 300 V to 480 volts (b) output voltage 415+ 1% ( adjustable (c) Rated frequency 50 Hz, (d) No distortion in wave form (e) Response time not to exceed 10 mille seconds , (f) sensivity (+) 1%, (g) Rate of correction more then 6 volts / second for per phase (h) class of insulation A (i) No load losses less than 0.5% (j) Full load losses less than 2.5%, (k) Duty cycle - continious 24X7, (i) Efficiency more than 95% , (m) type of load : 3 phase, unbalanced type , (n) digital display voltmeter / ammeter with following protections (1). over load/ short circuit protection (2). High and low voltage cut off. (3). By pass arrangement in case of emergency. (4). Single phase sequence change. protection of capacity 100 KVA. | 1 | Each | 4,11,221 ₹4,11,221 Lowest | 5,90,000 ₹5,90,000 | 5,16,000 ₹5,16,000 | 4,50,000 ₹4,50,000 | 4,41,526 ₹4,41,526 |
| 6.00 | Supply, installation, testing and commisioning outdoor type servo controlled voltage stabilizer (conforming as per BIS 9815 part -1 1994 reaffirmed 2019)3 phase 50 Hz , naturally oil cooled, outdoor, unballanced type copper wound digital display type, relay free smooth and silent operation with first filling of transformer oil(IS 335: 2018)having following specification (a) input voltage 300 V to 480 volts (b) output voltage 415+ 1% ( adjustable (c) Rated frequency 50 Hz, (d) No distortion in wave form (e) Response time not to exceed 10 mille seconds , (f) sensivity (+) 1%, (g) Rate of correction more then 6 volts / second for per phase (h) class of insulation A (i) No load losses less than 0.5% (j) Full load losses less than 2.5%, (k) Duty cycle - continious 24X7, (i) Efficiency more than 95% , (m) type of load : 3 phase, unbalanced type , (n) digital display voltmeter / ammeter with following protections (1). over load/ short circuit protection (2). High and low voltage cut off. (3). By pass arrangement in case of emergency. (4). Single phase sequence change protection of capacity 250 KVA. | 3 | Each | 7,51,521 ₹22,54,563 | 9,90,000 ₹29,70,000 | 7,41,000 ₹22,23,000 Lowest | 8,75,000 ₹26,25,000 | 8,97,478 ₹26,92,434 |
| 7.00 | Supply, installation, testing and commisioning of Earthing complete with galvanised steel earth plate electrode of size 600 x 600 x 6 mm thick burried directly in ground ( earth pit not less than 2.25m deep below normal GL) with top edge of the plate not less than 1.5 mtr below normal ground levelconnected to galvanised iron strip 32X 6 mm as earthing lead by means of bolts and nuts , check nuts and washers of galvanised iron or steel allas shown in electrical plate No 5 of MES SSR part - I with and incl excavation & earth work complete in any type of soil , providing charcoal dust and common salt uoto 15 CM above top edge of the earth plate , construction of PCC pit in cement concrete 1:3:6 type C-1 with 40 mmm thick RCC 1:2:4 type B-1 reinforced with 8 mm dia MS deformed bars @ 100 mm center both ways watering arrangement with funnel and wire mesh and watering pipe of dia 20 mm GI light grade and 40 mm light grade pipe for earth lead protection and testing on completion complete all as specified and as directed. as earth electrode all as specified. | 36 | Each | 8,021 ₹2,88,756 | 9,999 ₹3,59,964 | 7,200 ₹2,59,200 | 6,000 ₹2,16,000 Lowest | 8,500 ₹3,06,000 |
| 8.00 | Supply, installation, testing and commisioning Earth continuity conductor or main earthing lead 32x6mm galvanised iron strip fixed to wall on batten or recess or chases or buried in ground or fixed to poles or any other indicated situation, drawn in and including non metallic conduit pipe or for loop earthing . as required of size complete all as specified. | 65 | RM | 371 ₹24,115 | 350 ₹22,750 | 210 ₹13,650 | 150 ₹9,750 Lowest | 190 ₹12,350 |
Tender Value
₹1.2 Cr
EMD Value
₹1.9 L
Closing Date
9 Jun 2026, 6:00 pmClosed
CWE AF Borjhar
HQ CWE AF Borjhar Military Engineer Services Borjhar PO Borjhar Airport Guwahati 15 Assam Pin 781015 Tele 0361 2841626
SPECIAL REPAIR REPLACEMENT OF BER DG SETS SERVO VOLTAGE STABILIZERS PUMP SETS ETC ALONGWITH ALLIED WORKS AT AF STN DIGARU
2026_MES_764907_1
9128 CWE(AF)/DIG/ / 2026-27
Open Tender
Electrical and Maintenance Works
Item Rate
180 days
Digaru
As per tender documents.
8 documents required · 8 mandatory
₹1,000
GE (P) (AF) Digaru
₹1.9 L
Yes
14 Aug 2026
12 May 2026
11 Jun 2026
12 May 2026
9 Jun 2026
2 Jun 2026
| Sl No | Description | Qty | Unit | Est. Rate | Est. Amount |
|---|---|---|---|---|---|
| 1 | Supply, installation, testing and commisioning of microprocessor based water cooled ,silent Diesel Engine driven generating set of capacity 125 KVA ,415 volts, 3 phase 4 wire, AMF panel having 2 years maintenance sapres with anti vibration pad / dampers and fixed on PCC foundation of suitable size as per manufacturer instruction incl Genset Model No -KG4-125WS1 or equivalent make as per PS
(a) Diesel Engine :- water cooled, 4 cylinder developing 156 HP , 4 stroke cycle at 1500 RPM under normal NTP condition at Digaru Stn as per IS 10001/10002, ISO 8528 -1 the engine shall be provided with electrical starting arrangement. The engine will comply with latest CPCB VI+ norms and is complete with (a) starter motor,(b) Battery charging alternator, (c) Dry type air cleaner, (d) fuel pump, (e) G3 class Governor, (f) flywheel with flywheel housing, (g) exhaust Silencer, (h) first fill of lub oil, (j) Engine protection - low lubeoil pressure and high water temperature with 12 V battery of suitable AH as per OEM recommendation with copper leads and brass terminals ( k) Radiator with fan etc complete all as specified and as directed. The engine shoulf be designed to run continiously at 1500 RPM with an overload capacity of 10% for one hr in every 12 hrs. The noise level should be less then 75 DB as per latest CPCB norms Fuel tank of capacity not less then 230 ltrs shall be provided with DG set . the tanl shall be completed with an outlet , drain plug , air vent , air breather and necessary piping . Fuel tank shall be fitted inside accoustic enclosure. | 2 | Each | -10.75 | - |
| 1.01 | (b) Alternator :- The alternator shall be rated with 125 KVA(100KW) output at NTP suitable for continious operation at 1500 RPM developing 415 Volts at 0.8 PF(lag) for 50 Hz, 3ph, 4 wire system. the alternator shall be brushless type provided with suitable AVR, self excited , self regulated, floor mounted, overload capacity 10% for 1 hour in any 12 hours operation without exceeding temperature raise limit. Insulation class of the alternator is H class. alternator efficiency at 0.8 pf lag should not be less than 91.9%. Maximum voltage dip at full load 0.8 PF ( lag ) should not be less then 20%. Max time to build up rated voltage at rated RPM should be less then 2 Sec, provided engine reach the rated speed.
(c) Sound proof enclosure :- The engine should be supplied with special sheet metal fabricated on CNC machine , powder coated enclosure designed for reducing the sound level to 75 dB ( avg) all orround Brand marking as per IS 8528 part 10 as per approved CPCB. Model No KOEL Green Silent Engine model No - 4K1080ETA 4G1 or Techicommercially equal model of make specified in PS. | - | - | -9.75 | - |
| 3 | Supply, installation, testing and commisioning of microprocessor based water cooled ,silent Diesel Engine driven generating set of capacity 58.5 KVA ,415 volts, 3 phase 4 wire, AMF panel having 2 years maintenance sapres with anti vibration pad / dampers and fixed on PCC foundation of suitable size as per manufacturer instruction incl having Gen set model No -KG4-58.5WS or equivalent make as per PS
(a) Diesel Engine :-water cooled, 4 cylinder developing 74 HP , 4 stroke cycle at 1500 RPM under normal NTP condition at Digaru Stn as per IS 10001/10002, ISO 8528 -1 the engine shall be provided with electrical starting arrangement. The engine will comply with latest CPCB VI+ norms and is complete with (a) starter motor,(b) Battery charging alternator, (c) Dry type air cleaner, (d) fuel pump, (e) G2 class Governor, (f) flywheel with flywheel housing, (g) exhaust Silencer, (h) first fill of lub oil, (j) Engine protection - low lubeoil pressure and high water temperature with 12 V battery of suitable AH as per OEM recommendation with copper leads and brass terminals ( k) Radiator with fan etc complete all as specified and as directed. The engine shoulf be designed to run continiously at 1500 RPM with an overload capacity of 10% for one hr in every 12 hrs. The noise level should be less then 75 DB as per latest CPCB norms Fuel tank of capacity not less then 165 ltrs shall be provided with DG set . the tanl shall be completed with an outlet , drain plug , air vent , air breather and necessary piping . Fuel tank shall be fitted inside accoustic enclosure. | 1 | Each | -8.75 | - |
| 3.01 | (b) Alternator :- The alternator shall be rated with 58.5 KVA(46.8KW) output at NTP suitable for continious operation at 1500 RPM developing 415 Volts at 0.8 PF(lag) for 50 Hz, 3ph, 4 wire system. the alternator shall be brushless type provided with suitable AVR, self excited , self regulated, floor mounted, overload capacity 10% for 1 hour in any 12 hours operation without exceeding temperature raise limit. Insulation class of the alternator is H class. alternator efficiency at 0.8 pf lag should not be less than 90.8%. Maximum voltage dip at full load 0.8 PF ( lag ) should not be less then 20%. Max time to build up rated voltage at rated RPM should be less then 2 Sec, provided engine reach the rated speed.
(c) Sound proof enclosure :- The engine should be supplied with special sheet metal fabricated on CNC machine , powder coated enclosure designed for reducing the sound level to 75 dB ( avg) all orround Brand marking as per IS 8528 part 10 as per approved CPCB. KOEL Green Silent DG Engine model No - 4R810ETA 4G1 or Techicommercially equal model of make specified in PS. | - | - | - | - |
| 4 | Supply, installation, testing and commisioning of microprocessor based water cooled ,silent Diesel Engine driven generating set of capacity 25 KVA ,415 volts, 3 phase 4 wire, AMF panel having 2 years maintenance sapres with anti vibration pad / dampers and fixed on PCC foundation of suitable size as per manufacturer instruction incl Genset Model No -KG4-25WS1 or equivalent make as per PS
(a) Diesel Engine :- water cooled, 4 cylinder developing 156 HP , 4 stroke cycle at 1500 RPM under normal NTP condition at Digaru Stn as per IS 10001/10002, ISO 8528 -1 the engine shall be provided with electrical starting arrangement. The engine will comply with latest CPCB VI+ norms and is complete with (a) starter motor,(b) Battery charging alternator, (c) Dry type air cleaner, (d) fuel pump, (e) G2 class Governor, (f) flywheel with flywheel housing, (g) exhaust Silencer, (h) first fill of lub oil, (j) Engine protection - low lubeoil pressure and high water temperature with 12 V battery of suitable AH as per OEM recommendation with copper leads and brass terminals ( k) Radiator with fan etc complete all as specified and as directed. The engine shoulf be designed to run continiously at 1500 RPM with an overload capacity of 10% for one hr in every 12 hrs. The noise level should be less then 75 DB as per latest CPCB norms Fuel tank of capacity not less then 50 ltrs shall be provided with DG set . the tankshall be completed with an outlet , drain plug , air vent , air breather and necessary piping . Fuel tank shall be fitted inside accoustic enclosure. | 1 | Each | -6.75 | - |
| 4.01 | (b) Alternator :- The alternator shall be rated with 25 KVA(20KW) output at NTP suitable for continious operation at 1500 RPM developing 415 Volts at 0.8 PF(lag) for 50 Hz, 3ph, 4 wire system. the alternator shall be brushless type provided with suitable AVR, self excited , self regulated, floor mounted, overload capacity 10% for 1 hour in any 12 hours operation without exceeding temperature raise limit. Insulation class of the alternator is H class. alternator efficiency at 0.8 pf lag should not be less than 87.9%. Maximum voltage dip at full load 0.8 PF ( lag ) should not be less then 20%. Max time to build up rated voltage at rated RPM should be less then 2 Sec, provided engine reach the rated speed.
(c) Sound proof enclosure :- The engine should be supplied with special sheet metal fabricated on CNC machine , powder coated enclosure designed for reducing the sound level to 75 dB ( avg) all orround Brand marking as per IS 8528 part 10 as per approved CPCB. KOEL Green Silent DG set engine Model No -3R55OETA 4G1 , or Techicommercially equal model of make specified in PS. | - | - | - | - |
| 5 | Supply and fix outdoor type servo controlled voltage stabilizer (conforming as per BIS 9815 part -1 1994 reaffirmed 2019)3 phase 50 Hz , naturally oil cooled, outdoor, unballanced type copper wound digital display type, relay free smooth and silent operation with first filling of transformer oil(IS 335: 2018)having following specification (a) input voltage 300 V to 480 volts (b) output voltage 415+ 1% ( adjustable (c) Rated frequency 50 Hz, (d) No distortion in wave form (e) Response time not to exceed 10 mille seconds , (f) sensivity (+) 1%, (g) Rate of correction more then 6 volts / second for per phase (h) class of insulation A (i) No load losses less than 0.5% (j) Full load losses less than 2.5%, (k) Duty cycle - continious 24X7, (i) Efficiency more than 95% , (m) type of load : 3 phase, unbalanced type , (n) digital display voltmeter / ammeter with following protections (1). over load/ short circuit protection (2). High and low voltage cut off. (3). By pass arrangement in case of emergency. (4). Single phase sequence chane protection of capacity 100 KVA. | 1 | Each | -4.75 | - |
| 6 | Supply, installation, testing and commisioning outdoor type servo controlled voltage stabilizer (conforming as per BIS 9815 part -1 1994 reaffirmed 2019)3 phase 50 Hz , naturally oil cooled, outdoor, unballanced type copper wound digital display type, relay free smooth and silent operation with first filling of transformer oil(IS 335: 2018)having following specification (a) input voltage 300 V to 480 volts (b) output voltage 415+ 1% ( adjustable (c) Rated frequency 50 Hz, (d) No distortion in wave form (e) Response time not to exceed 10 mille seconds , (f) sensivity (+) 1%, (g) Rate of correction more then 6 volts / second for per phase (h) class of insulation A (i) No load losses less than 0.5% (j) Full load losses less than 2.5%, (k) Duty cycle - continious 24X7, (i) Efficiency more than 95% , (m) type of load : 3 phase, unbalanced type , (n) digital display voltmeter / ammeter with following protections (1). over load/ short circuit protection (2). High and low voltage cut off. (3). By pass arrangement in case of emergency. (4). Single phase sequence chane protection of capacity 250 KVA. | 3 | Each | -3.75 | - |
| 7 | Supply, installation, testing and commisioning of Earthing complete with galvanised steel earth plate electrode of size 600 x 600 x 6 mm thick burried directly in ground ( earth pit not less than 2.25m deep below normal GL) with top edge of the plate not less than 1.5 mtr below normal ground levelconnected to galvanised iron strip 32X 6 mm as earthing lead by means of bolts and nuts , check nuts and washers of galvanised iron or steel allas shown in electrical plate No 5 of MES SSR part - I with and incl excavation & earth work complete in any type of soil , providing charcoal dust and common salt uoto 15 CM above top edge of the earth plate , construction of PCC pit in cement concrete 1:3:6 type C-1 with 40 mmm thick RCC 1:2:4 type B-1 reinforced with 8 mm dia MS deformed bars @ 100 mm center both ways watering arrangement with funnel and wire mesh and watering pipe of dia 20 mm GI light grade and 40 mm light grade pipe for earth lead protection and testing on completion complete all as specified and as directed. as earth electrode all as specified. | 36 | Each | -2.75 | - |
| 8 | Supply, installation, testing and commisioning Earth continuity conductor or main earthing lead 32x6mm galvanised iron strip fixed to wall on batten or recess or chases or buried in ground or fixed to poles or any other indicated situation, drawn in and including non metallic conduit pipe or for loop earthing . as required of size complete all as specified. | 65 | RM | -1.75 | - |
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