MAINTENANCE INCLUDING REPAIRS TO DG SETS OF VARIOUS CAPACITIES INSTALLED AT VARIOUS LOCATIONS UNDER GE (M) ARAKKONAM

Amount

Periodical maintenance of DG set as per manufacturer recommendation of the following DG sets installed at various locations and various capacity complete all as specified and as directed by Engr-in-charge.

DG set 500 KVA installed at 4-IN-HANGAR (PEB HANGAR) Substation -K, Make:KOEL- Model : KV-10 (SL.NO. DVO104571420010, Set to work-11/2015)

DG set 500 KVA installed at 4-IN-HANGAR (PEB HANGAR) Substation -K, Make:KOEL- Model : KV-10 ( SL.NO. DVO1045/1420014, Set to work-11/2015)

DG set 320KVA installed at ATC Substation - E, Make: Kirloskar Green - Model: D8 (S.L.NO. 8101/1620180 Set to work - 06 FEB 2017)

DG set 320KVA installed at ATC Substation - E, Make: Kirloskar Green- Model :D8 (S.L.NO. 8101/1620178 Set to work-06 FEB 2017)

DG set 250 KVA installed at P8I Maint Hanger, Make: Kirloskar cummins- Model: QLS9-G156 (SL.NO. 84501884, Set to work-07/2016)

DG set 250 KVA installed at LRMR Substation - F, Make: Kirloskar cummins- Model : KT -1150 G ( SM.No. 149597, Set to work-07/1992)

DG set 250 KVA installed at LRMR Substation - F, Make: Kirloskar cummins- Model NTA 855G ( SM.No. 149598, Set to work-07/1992)

DG set 200KVA installed at ATC Substation E, Make: Kirloskar cummins- Model NTA 743-G (SM.No. 149596, Set to work-07/1992)

DG set 200 KVA installed at Magzine, Make: Kirloskar green (SM.No. NA Set to work-12/2013)

DG set 160 KVA installed at Substation C, Make: Kirloskar cummins Model NTA 743 G (SM.No. 149593, Set to work-07/1992)

DG set 160KVA installed at Thirmalpur pump House, Make:Ruston 'V' type engine (SM.No. 149594, Set to work-07/1992)

DG set 100 KVA installed at Wireless Transmission at Poigaipakkam, Make: Ashok leyland Model ALG 680 (SM.No. 149642 Set to work-01/1993)

DG set 100 KVA installed at ASR, Make: Kirloskar Oil engines RB-66 (SM.No. SM-162409 Set to work-02/1999)

DG set 100 KVA located near watch tower No.7, (Engine Sl.No.4H-7906/ 1721952, set to work-04/2018)

DG set 100 KVA located near Main guard Room, (Engine Sl.No.4H-7906/ 1721946, set to work-04/2018)

DG set 82.5 KVA installed at Main pump hosue, Make: Kirloskar Oil engines Model - ATV RB-66 (SM.No. 149592, Set to work-07/1992)

DG set 82.5 KVA installed at PAR Building, Make: Ashok leyland Model - ALV (SM.No. 151191, Set to work-01/1993)

DG set 82.5 KVA located nearSTP 'A', Make: Kirloskar (Engine Sl.No.4H-8905/ 1721430, set to work-04/2018)

DG set 82.5 KVA installed near STP 'B', Make:Kirloskar (Enginre Sl.No.4H-7906/ 1721946, set to work-04/2018)

DG set 62.5 KVA installed at Thiruparkadal pump hosue, Make: Ashok leyland (SM.No. 149594, Set to work-07/1992)

DG set 62.5 KVA installed at Sub station 'I', Sick Bay, Make: Kirloskar cummins Model - NTA -743 (SM.No. 149601Set to work-07/1992)

DG set 62.5KVA installed at NORA 3rd gate, Make: KirloskarOil engines, Model RV-66 (MES.No. MES/825/6001/DG/05, Set to work-9/2005)

DG set 62.5KVA installed at Authur gate, Make: KirloskarOil engines, Model - RV -66 (MES.No. MES/825/6002/DG/05, Set to work-9/05)

DG set 62.5 KVA located near LRMR sub station, Make: Kirloskar (Engine Sl.No.T-4-8907/1723723) set to work-04/2018)

DG set 62.5 KVA located near watch tower No.16, Make:Kirloskar (Engine Sl.No.T-4-8907/1723672,set to work-04/2018)

DG set 21.5 KVA Trolley mounted Genset, Make: KirloskarOil engines, Model - RV-22 (SM.No. 142165, Set to work-04/1989)

DG set 15 KVA installed at Glide path, Make: KirloskarOil engines, Model - TV -2 (SM.No. 199896, Set to work-10/1995)

DG set15 KVA installed at Pump House, Make: Kirloskar Oil engines, (SM.No. 149645, Set to work-06/1992)

DG set 12.5 KVA installed at DVOR/DME building, Make: Kirloskar Oil engines, (SM.No.199895, Set to work-10/1995)

DG set 10 KVA installed at WTS Perimeter lights at Poigaipakkam, Make: Kirloskar Oil engines, (SM.No. 149642, Set to work-09/2005)

DG set 6 KW installed at Main guard room building, Make: Kirloskar Oil engines, (SM.No. 199898, Set to work-04/1998)

DG set 4 KW installed at Sub guard room building, Make: Kirloskar Oil engines, (SM.No. 199897, Set to work-04/1998)

Portable genset 500 watts kept with BLD, Make: Shriram Honda Petrol start kerosene running (SM.No.199899, Set to work-04/1998)

Portable genset 500 watts kept with BLD, Make: Shriram Honda Petrol start kerosene running (SM.No. 199891, Set to work-04/1998)

IC Engine Make: Kirloskar Oil Engines installed at BSF Hanger (Fire Fighting) Bearing S F69623 1300043 Date of installation 06/2013

IC Engine 50 BHP installed at P8I maint hanger, Make : Kirloskar Oil Engines, Ser. No. 3H-2121-22/1620045

IC Engine 50 BHP installed at PEB hanger (4-in hanger), Make : Kirloskar Oil Engines, Ser. No. 1622505072164

IC Engine 8 BHP installed at Magzine fire fighting pump house Make : Kirloskar Oil Engines

IC Engine 8 BHP installed at Magzine complex Make : Kirloskar Oil Engines

Note: Item No. 1.01 to 1.39 (a) Checking the fanbelt and adjusting tension. (b) Checking the fuel and oil filter ascertaining its condition. (c) Checking the Air filter and cleaning the Air filter. (d) Checking of FIP performance and oil level. (e) Checking the tappet clearance and maintaining the valve distance. (f) Checking the fuel pump timing and adjusting if required. (g) Tightening the base bolt and nuts and mounting bolts and nuts. (h) Checking the coupling bolts and adjustment checking the self starter and dynamo. (j) Checking the battery distilled water level and topping up to the required level. (k) Checking the loose connections if any in the panel board and tightening the same. (l) Checking the anti vibration mounting adjusting the bolt. (m) Checking the radiator and radiator hose and arresting small leaks. (n) Service engineer report shall be submitted for every check about the performance and maintenance of DG sets. (o) Highly skilled labours and tools for maintenance/ checks repairs /replacement is deemed to be included in the rate quoated by the contractor. (p) Coolant, distilled water shall be measured under relevant items (q) Engine Oil shall be measured under relevant items (r) Replacement of fuel /Oil/ Air filter shall be measured under relevant items.

(s) Replacement of spares shall be measured under relevant items. (t) The tradesmen employed must wear the uniform with name plate with name of contractor, under whom he is working. The amount of Rs.1000/- will be recovered in case of Non-wearing the uniform with name plate. (u) Insurance cover for the Employed people is must and sole responsibility of the contractor. Documentary evidence shall be submitted by the contractor to the department. (v) The amount of Rs. 500/- for each installation will be recovered for Non-greasing of water pump, alternator bearings cleaning of DG set and Non-replacement of fanbelt, radiator hose, diesel pipe and spare parts DG sets etc., (w) Mechanic, Supervisor and Maintenance Engineer must be skilled and must have knowledge of maintenance of DG sets and attending minor and major fault when it arise.,

Disconecting the existing battery of capacity 12V, 92/100 AH from the DG set, taking it to battery workshop, draining out the complete unserviceable sulphuric acid from the battery, filling up with new sulphuric acid to the required level, charging the battery, testing the battery for correct specific gravity, bringing back to the location, connecting to DG set, start the engine for satisfactory function complete all as specified and as directed by Engr-in-charge.

All as per item No.02 here-in-before but 12V, 180AH.

Material and labour for removing and replacing the old unserviceable 12V auto cut off battery charger in control panel as per existing type/ model including necessary wiring complete all as specified and as directed by Engr-in-charge.

All asper item No.04 here-in-before but 24 V.

Material and labour for replacing the old unserviceable battery lead with copper terminals approximately 2m length including applying jelly over the battery pole and terminals complete all as specified and as directed by Engr-in-charge.

Supply and fix free maintenance battery against BER wet type battery 12V 100AH initial charged with guarantee complete all as specified and as directed by Engr-in-charge. Make: EXIDE EXPRESS / KIRLOSKAR / AMARON / AMAR RAJA

Supply and fix free maintenance battery against BER wet type Battery 12V 180AH initial charged with guarantee complete all as specified and as directed by Engr-in-charge. Make: EXIDE XPRESS/ KIRLOSKAR/ AMARON/ AMAR RAJA

Material and labour for replacing the worn out carbon brushes slipring type in alternator of the following capacity DG set including all necessary connected works complete all as specified and as directed by Engr-in-charge.

4/6 KW capacity

7.5/10/12.5/15 KVA capacity

21.5/40 KVA capacity

62.5/82.5/100 KVA capacity

Disconnecting, removing and dismantling radiator assembly from the following capacity DG sets and descaling the radiator throughly with CTC solution/ any other chemical solvent agent as approved by the Engineer-in-charge, stopping of leakage at place to copper cores and tubes by brazing scrapping the existing oil paint, dusting and painting the radiator with enamelled paint etc., re-installing and commissioning complete all as specified and as directed by Engr-in-charge.

7.5/10/12.5/15/21.5/30 KVA capacity genset

62.5/82.5/100 KVA capacity genset

160/200 KVA capacity genset

250/320/500KVA capacity genset

Taking down the existing defective self starter from genset 12V capacity installed at various installation and replacement of work out spares like bendex drive, carbon brush, solinoid coil, armature including rewinding starter, refixing in same position and testing complete all as specified and as directed by Engr-in-charge.

All as per item No.11 here-in-before but 24V.

Draining out the existing diesel from the tank from the following capacity DG set, kept aside for repouring, taking down the complete fuel tank of any capacity from its position after disconnecting all the fuel lines, carryout cleaning work with solutions, removing the dust and foreign materials from the tank, drying the tank, blow with air painting and carry out recaliberation of diesel tank to the specified level including replacement of PVC level pipe, refix the tank in its original position, connecting all the removed fuel connections, refilling the kept diesel back to the tank carefully, remove air from the fuel connections, start the engine and test for satisfactory function complete all as specified and as directed by Engr-in-charge.

4/6 KW capacity

7.5/10/12.5/15 KVA capacity

30/40/62.5 KVA capacity

82.5/100 KVA capacity

160/200/250 KVA capacity

Meterial and labour for disconnecting electrical and mechanical connections of the following capacity alternator, 415 volts 50 HZ removing from foundations/ diesel engine coupling and transporting private work shop, dismantling the alternator in parts and carrying out servicing ,varnishing and applying the bactol on the excitor coils/ winding with super varnish, heating the windings at appropriate tempeature to achieve required insulation resistance without damaging the other parts, replacement of driving and non driving end bearings, cleaning, greasing, reassembling/ installing/ connecting and testing with megger for insulation resistance etc., complete all as specified and as directed by Engr-in-charge.

4/6 KW capacity

7.5/10/12.5/15 KVA capacity

30/40/62.5 KVA capacity

82.5/100 KVA capacity

160/200/250 KVA capacity

Material and labour for disconnecting electrical and mechanical connections of the following capacity altrernatror, 415V, 50 HZ removing from foundation/ diesel engine coupling and transporting private work shop, dismantling the alternator in parts and removing the burn out copper winding coil carefully, cleaning slots and replacing the insulation paper and winding 'F' class copper conductor winding wire of existing size/ shape, glass sleeves of connecting leads, binding/ tightening loose coils with binding cloths, varnishing and applying the bactol on the excitor coil/ winding with supper varnish, heating the windings at appropriate tempeature to achive required insulation resistance with out damaging the other parts, replacement of driving and non-driving end bearings, cleaning, greasing, reassembling/ installing/ connecting and testing with megger for insualtion resistance etc., complete all as specified and as directed by Engr-in-charge.

4/6 KW capacity

7.5/10/12.5/15 KVA capacity

30/40/62.5 KVA capacity

82.5/100 KVA capacity

160/200/250 KVA capacity

320/500 KVA capacity

Matertial and labour for disconnecting electrical and mechanical connections of the following capacity alternator, 415V, 50 Hz removing excitor coil from alternator, transporting private work shop dismatling, removing the burt out winding coil care fully, cleaning the slots and replacing the insulation paper and winding the 'F' Class insulation copper winding wire of existing size/ shape/ glass sleeves of connecting leads, binding/ tighting loose coils with binding cloths, varnishing and applying the bactol on the excitor coil, varnishing and applying the bactol on the excitor coil/ winding with supper varnish, heating the windings at appropriate tempeature to achive required insulation resistance with out damaging the other parts including replacement of positive and negative doides, greasing, reassembling/ installing/ connecting and testing with megger for insualtion resistance etc., complete all as specified and as directed by Engr-in-charge.

4/6 KW capacity

7.5/10/12.5/15 KVA capacity

62.5/82.5 KVA capacity

100 KVA capacity

160/200 KVA capacity

250 /320/500 KVA capacity

Servicing to AMF panels cleaning with blower, cleaning with CTC, replacement of damaged lugs, replacement of deteriorated copper wiring, check the power contactors, rectifying of loose connections, removing contactors and cleaning the points, refixing it in its original position complete all as specified and as directed by Engr-in-charge.

Material and labour for replacing the existing damaged/ bulged radiator flexible rubber hose for the following capacity DG sets installed at various installation and replaced with new radiator flexible hose with circular hose clips complete all as specified and as directed by Engr-in-charge.

7.5/10/12.5/15 KVA capacity

30/40/62.5 KVA capacity

82.5/100 KVA capacity

160 to 500 KVA capacity

Supply and fix in replacement of the following spares during 'B' check complete all as specified and as directed by Engr-in-charge.

Oil filter capacity 1/2 litre with 'O' ring

Oil filter capacity 1 litre with 'O' ring

Diesel filter capacity 1/2 litre with'O' ring (Pre & Micro)

Diesel filter capacity 1 litre with 'O' ring (Pre & Micro)

Sump packing from the DG set capacity 12.5/15/21.5/40 KVA

Sump packing from the DG set capacity 62.5/82.5/100 KVA

Sump packing from the DG set capacity 160/200/250/320 KVA

Air filter suitable for 7.5/10 KVA capacity

Rocker cover packing from the DG set capacity 12.5/15/21.5/40 KVA

Rocker cover packing from the DG set capacity 62.5/82.5/100 KVA

Rocker cover packing from the DG set capacity 160/200/250 KVA

Engine Oill 20W-40. Make : BP/Indian Oil/HP

Oil filter suitable for 62.5/82.5/100 KVA capacity genset as per the existing make.

Fuel filter suitable for 62.5/82.5/100 KVA capacity genset as per the existing make.

Oil filter suitable for Kirloskar cummins engines 160 to 500 KVA capacity genset as per the existing make.

Fuel filter suitable for kirloskar cummins engines 160 to 500 KVA capacity genset as per the existing make.

Self starter solinoid switch 12V capacity.

Self starter solinoid switch 24 V capacity.

Radiator coolant

Distilled water

Electrolite

Taking down the existing worn out fanbelt (V Belt) for the following capacity of DG set installed at various installation and replaced with new fan belt complete all as specified and as directed by Engr-in-charge.

7.5 to 30 KVA

40 to 82.5 KVA

82.5 to 100 KVA

160 to 200 KVA

250 to 500 KVA

Taking down the existing unserviceable water pump assembly for the following capacity DG sets installed at various installation and replaced with new water pump assembly complete all as specified and as directed by Engr-in-charge.

12.5 to 30 KVA

40 to 62.5 KVA

82.5 to 100 KVA

160 to 200 KVA

250 to 500 KVA

Taking down the existing defective panel board indication lamp (RYB) from the panel and replaced with LED indicator lamp with holder complete all as specified and as directed by Engr-in-charge.

Taking down the existing defective panel board hours meter from the panel and replaced with analog hours meter complete all as specified and as directed by Engr-in-charge.

Taking down the existing defective RPM meter along with cable and replaced with RPM meter complete all as specified and as directed by Engr-in-charge.

Taking down the existing defective radiator cap from the radiator and replaced new radiator cap complete all as specified and as directed by Engr-in-charge.

Taking down the existing Voltmeter, Ammeter and frequency meter from the panel board and replaced new multifuncional meter for showing voltage, Amps, frequency including necessary wiring and wiring materials complete all as specified and as directed by Engr-in-charge.

Taking down the existing unserviceable panel board ON/ OFF push button and replaced with new push button complete all as specified and as directed by Engr-in-charge.

Taking down the existing unserviceable bridge rectifier from the panel and replaced with new bridge rectifier complete all as specified and as directed by Engr-in-charge.

Taking down the existing unserviceable relay from the AMF panel and replaced with new relay complete all as specified and as directed by Engr-in-charge.

Taking down the existing unserviceable power contactor from the panel and replaced with new Cotactor complete for the folowing capacity all as specified and as directed by Engr-in-charge.

3 phase power contactor, 440 volts, 50Hz, 580 Amps

3 phase power contactor, 440 volts, 50Hz, 350 Amps

3 phase power contactor, 440 volts, 50Hz, 275 Amps

3 phase power contactor, 440 volts, 50Hz, 230 Amps

3 phase power contactor, 440 volts, 50Hz, 160 Amps

Taking down the existing unserviceable on load change over switch from the panel and replaced with new ON LOAD Change Over Switch complete for the folowing capacity all as specified and as directed by Engr-in-charge.

ON load change over switch 4 pole, 440 Volts, 50Hz, 630 Amps

ON load change over switch 4 pole, 440 Volts, 50Hz, 400 Amps

ON load change over switch 4 pole, 440 Volts, 50Hz, 320 Amps

ON load change over switch 4 pole, 440 Volts, 50Hz, 200 Amps

ON load change over switch 4 pole, 440 Volts, 50Hz, 125 Amps

Taking down the existing MCCBs in the locations and supply and fix new MCCBs for the following capacities

MCCB, 3 pole, 415 Volts 400 Amps, 36KA

MCCB, 3 pole, 415 Volts 315 Amps, 25KA

MCCB, 3 pole, 415 Volts 250 Amps, 25KA

MCCB, 3 pole, 415 Volts 200 Amps, 25 KA

MCCB, 3 pole, 415 Volts 100 Amps, 25KA

MCCB, 3 pole, 415 Volts 63 Amps, 25KA

Material and labour for removing and replacing defective AVR from alternator upto 100 KVA DG sets complete all as specified and as directed by Engr-in-charge. Make: Kirloskar/ Krishna

All as per item No.33 here-in-before but alternator capacity 160 to 320 KVA Capacity. Make : kirloskar/ Krishna

Taking down the existing unserviceable HRC fuse kit 5A from the panel and replaced with new HRC fuse kit complete all as specified and as directed by Engr-in-charge. Make: L&T/Standard

Taking down the existing defective oil pressure gauge from the panel and replaced with new oil pressure gauge along with metal flexible pipe complete all as specified and as directed by Engr-in-charge. Make: AE/ MECO

Taking down the existing defective oil temperature gauge from the panel and replaced with oil temperature gauge along with connected links complete all as specified and as directed by Engr-in-charge. Make: AE/ MECO

Taking down the existing defective injector and fuel injection pump (FIP) for the following capacity DG set installed at various installation and replacement of work out spares like delivery valves, nozzles, bearings, fly weight, packing kit, and copper washer kit and recalibration of FIP and refixing in same position and testing of full load checking of pressure complete all as specified and as directed by Engr-in-charge.

7.5 to 10 KVA

12.5 to 15 KVA

21.5 to 40 KVA

62.5 to 100 KVA

160 to 500 KVA

Material and labour for execavated soil upto 5cm root of the vegetation cutting removing completely by spade and surface dressing all around the all DG SETs installation area to keep the installation area (external only) clean and tidy complete all as specified and as directed by Engr-in-charge. Note: (i) All the installation shall be kept clean through out the contract period by repeatedly removing the grasses/ trees/ weads as many times as required depending on the growth of the grass. (ii) This item shall be measured and paid only once during entire CA period.

Taking down the existing defective DC ammeter and volt meter from the panel and replaced with new combined DC ammeter and Volt meter including necessary wiring and wiring material complete all as specified and as directed by Engr-in-charge.

Taking down the existing defective/ damaged flexible (Metal mesh/ rubber) hose for oil and replaced with new flexible hose for oil of the following capacity Genset including replacement of connector etc., complete all as specified and as directed by Engr-in-charge.

7.5 to 10 KVA capacity

12.5 to 21.5 KVA capacity

30 to 62.5 KVA capacity

82.5 to 100 KVA capacity

160 to 500 KVA capacity

Taking down the existing turbo charger unit from the following capacity engine, Transporting to private work shop. Dismantling opening including replacement of worn out bearing, bushes, fanblade, gaskets, seal etc., and reassembling testing/ connecting complete all as specified and as directed by Engr-in-charge.

62.5 to 82.5 KVA capacity

100 KVA capacity

160 to 200 KVA capacity

250 to 500KVA capacity

Taking down the existing defective Air Filter inner and Outer replaced with new Air Filter inner and Outer for the following capacity Genset including replacement of connector etc., complete all as specified and as directed by Engr-in-charge.

160 KVA capacity

200 KVA capacity

250 to 500 KVA capacity

Taking down the existing defective water temperature gauge from the panel and replaced with water temperature gauge along with connected links complete all as specified and as directed by Engr-in-charge.

Taking down the existing defective/ rusted radiator copper core from the DG set and replaced with new copper core for the following capacity diesel generating set complete all as specified and as directed by Engr-in-charge.

7.5 to 10 KVA capacity

12.5 to 21.5 KVA capacity

30 to 62.5 KVA capacity

82.5 to 100 KVA capacity

160 to 250 KVA capacity

Material and labour for scraping down the old faded existing paint from the following capacity DG Set of making the surface smooth by filling up the uneven surfaces with putty and scraping with emery sheet, applying two coats of synthetic enamel paint over one coat of red oxide primer, painting the details of panel over the panel complete all as specified and as directed by Engr-in-charge.

4/6 KW capacity

7.5/10/12.5/15 KVA capacity

30/40/62.5 KVA capacity

82.5/100 KVA capacity

160/200/250 KVA capacity

Taking down the existing Over load relay and replaced with new one suitable for the following capacity including replacement of connector etc., complete all as specified and as directed by Engr-in-charge.

Suitable for upto 7.5 HP/15 Amps

Suitable for upto 15 HP/27 Amps

Suitable for upto 25 HP/34 Amps

Material and labour for earthing complete with GI earth plate electrode of size 600x600x6mm thick buried directly underground vertically (earth pit not less than 2.25m deep below normal GL) with top edge of the plate at a depth not less than 1.5m below GL connected with and including GI earth strip 32x6mm size, alternate 5 layers of charcoal (250 Kg) and salt crystal (200Kg) and top two inches layers with back filling compound (100 Kg), in 40mm dia GI pipe light grade by means of nuts bolts, washers and necessary earth work in any type of soil PCC (1:3:6) type C-1 chamber and RCC (1:2:4) type B-1 cover and watering pipe 20mm dia medium grade with funnel complete with mesh, refilling with black cotton soil complete all as specified and as directed by Engr-in-charge.

Note: (i) Quoted rate deemed to included necessary earth work PCC chamber, RCC cover, reinforcement removal of surplus soil, site clearance etc., (ii) GI earth strip 32x6mm size, GI tubing light grade 40mm dia upto 7.5m deemed to be included the rate quoted by the contractor. (iii) Beyond 7.5m the GI earth strip 32x6mm size and GI pipe light grade 40mm dia shall be measured under the respective item of the schedule. Earthing pit display boards made out of 3mm thick MS sheet of size 30x35cm welded to 75cm long 25x25x5mm thick MS angle iron grouted in PCC 1:3:6 (using 20mm graded stone aggregate) to a depth of 20cm below GL and including applying two coats of synthetic enamel paint of approved colour over a coat of red oxide primer on all exposed steel surfaces and writing the letters on plate for showing the details: EARTHING PIT NO : DATE OF MEASUREMENT : NEXT DUE DATE : STANDARD VALUE : VALUE OBTANED : On testing after completion from test point the desired earth resistance shall be not more than 2 ohms if the desired result is not obtained the earthing will be redone no extra cost.

Supply and laying U/G XLPE insulated armoured heavy duty electric cable with aluminium conductor 1100V grade with 3.5x185 sqmm cross sectional area complete all as specified and as directed by Engr-in-charge.

Supply and laying U/G XLPE insulated armoured heavy duty electric cable with aluminium conductor 1100V grade with 3.5x 35 sqmm cross sectional area complete all as specified and as directed by Engr-in-charge.

Supply and laying U/G XLPE insulated armoured heavy duty electric cable with aluminium conductor 1100V grade with 4x25 sqmm cross sectional area complete all as specified and as directed by Engr-in-charge.

Addition and alteration to existing LT cable connections in old MES pump house as required with connecting materials for the existing system to the proper functioning complete all as specified and as directed by Engr-in-charge.

Material and labour for servicing AMF panel along with ACBs by replacing suitable capacity relays and timers etc., for the smooth functioning of the system for the following capacities complete all as specified and as directed by Engr-in-charge.

Suitable for 320KVA to 500KVA

Suitable for 160 KVA to 250KVA

Suitable for 40 KVA to 100KVA

Excavation in trenches not exc 1.5m wide and not exc 1.5m in depth; for cable trench etc and getting out in soft/ loose soil complete all as specified and as directed by Engr-in-charge.

Spreading riddled earth for UG cable cushioningcomplete all as specified and as directed by Engr-in-charge.

Supply and lay standard size well burnt bricks, sub class 'B', laid flat, dry in trenches for cable protection complete all as specified and as directed by Engr-in-charge.

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

Removing excavated material to a distance not exc 50m and depositing where directed at level not exc 1.5m above the starting point complete all as specified and as directed by Engr-in-charge.

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