REPAIR AND MAINTENENCE OF EXTERNAL ELECTRIC SUPPLY DG SET, VOLTAGE STABILIZER,TRANSFORMER, UG CABLE, GOD AND CONNECTED ITEMS AT VARIOUS LOCATION AT INS DWARKA,OKHA UNDER GE (I) NAVY PORBANDAR

Amount

M&L for Cement Concrete 1:4:8 (40mm Graded Stone Aggregate) as in foundation of Poles, Stays, etc. including formwork as required, complete all as specified and as directed.

M&L for Cement Concrete 1:2:4 (20mm Graded Stone Aggregate) as in Coping of Poles, including formwork as required, complete all as specified and as directed.

M&L for Cement Concrete 1:3:6 (40mm Graded Stone Aggregate) as in foundation of Poles, Stays, including formwork as required, complete all as specified and as directed.

Steel tubular swaged poles swan neck type complete with cast iron base plate, finial taper plug, Cap, mild steel bolts, nuts,screw, etc. type 410 SP-31 (9.0 meters long) erected in vertical position embedded in PCC foundation including painting with two coats of aluminium paint over a coat of primer and synthetic enameled paint in alternate white and black strips 30cm wide each up to 1.5 Mtr height from top of coping complete all as specified and directed. Note :- Earth work, PCC for foundation and coping shall be measured and paid for separately.

Material and labour for preparation of surface by scrapping with brushes, emery paper, LT/HT poles 9.00/11.0 metre long with all connected channel cross arms caps etc. and painting with black stripes from PCC Coping upto 1.5 meter height with two coats of synthetic enamel paint and providing two coats of aluminium paint on rest of the portion and numbering of poles with 10 cm high letters complete all as specified and directed. Note:- Adequate manpower will be arranged by the contractor for painting of poles. the poles will be painted during two shut downof one hour each as per schedule decided by Engineer-in-Charge.

S&F Mild steel bracket fabricated out of GI Tubing light grade 40 mm bore Bend to the shape as directed and of length 1.5 mtr complete with mounting MS clamp of flat iron of suitable size 02 Nos incl nut bolts Etc of suitable size all as specified and directed by Engr In charge.

Supply and fix of hot press moulded SMC junction box door fixed with left side hinges inside dimension of 240x130x95 mm fixed with cable terminals with and including one number 32 Amp SP MCB fixed on pole with clamp nuts, bolts etc. fixed in repairs complete all as specified and directed by Engineer-in-charge.

Supply and fix Timer switches Analog type, contactor with battery back up of 3P module,24 hours programmable every SST 30 min fixed in repairs complete all as specified and directed.

Supply and fix of MCB SPN 6-32 Amps,10 KA breaking capacity 'C' Curve suitable 230 V,50 Hz for lighting and other domestic load complete all as specified and directed by Engineer - in - Charge.

Supply and fix MCB TPN 63 Amps, 10 KA breaking capacity 'C' Curve suitable for 230 V, 50 Hz AC fixed in repairs complete all as specified and directed by Engineer - in - Charge.

Supply and MCB TPN 40 Amps, 10 KA breaking capacity 'C' Curve suitable for 230 V, 50 Hz AC fixed in repair complete all as specified and directed by Engineer - in - Charge.

Supply and fix battery 12 volts 80 AH capacity maintenance free (with free replacement Gurantee over 36 months) suitable of solar light fixed in repair complete all as specified and directed by Engineer - in - Charge. Make :- EXIDE / AMARON

M&L for earthing complete with galvanized steel earth plate electrode of size 600 x 600 x 6 mm thick buried directly in ground to a depth not less than 2.25 mtr below the normal ground level with top edge of earth plate not less than 1.50 mtr below the normal ground level and connected to GI strips 25 x 4 mm by means of nut, bolt & washer and protected by 40mm dia GI pipe light grade and watering pipe of 20mm dia GI pipes light grade and connected to earth test point including necessary excavation, earth work, PCC chamber (1:3:6) type C-1 and 40 mm thick RCC pit cover in RCC (1:2:4) type B-1 using 6 mm dia MS round bars @ 150 mm C/C both ways all as shown in electrical plate No. 5 of SSR Part-I all as specified and directed.

M&L for earthing complete with galvanized steel earth plate electrode of size 600 x 600 x 6 mm thick buried directly in ground to a depth not less than 2.25 mtr below the normal ground level with top edge of earth plate not less than 1.50 mtr below the normal ground level and connected to GI wire 4.0mm dia by means of nut, bolt & washer and protected by 40mm dia GI pipe light grade and watering pipe of 20mm dia GI pipes light grade and connected to earth test point including necessary excavation, earth work, PCC chamber (1:3:6) type C-1 and 40 mm thick RCC pit cover in RCC (1:2:4) type B-1 using 6 mm dia MS round bars @ 150 mm C/C both ways all as shown in electrical plate No. 5 of SSR Part-I all as specified and directed.

Supply and fix Lug aluminium suitable for cable size of 16 to 300 sqmm fixed in repairs complete all as specified and directed Engineer-in-Charge.

Supply, fix and testing industrial change over switch gear 100 Amp Triple Pole with Neutral Link, 415 Volt, 50 Hz With HBC cum rewireable Porcelein fuse units (W/O Fuse link) by connecting the electrical connection and fixing on wall or panel with clamp nut, bolt, clamps fixed in repairs complete all as specified and as directed by Engr-in-Charge.

Excavation in trenches in soft / disintegrated rock n.exc 1.5 m wide and n.exc 1.5 m deep and getting out for taking out/laying of UG cable.LT of any size.

Returning, filling in trenches incl spreading, levelling watering and raming in layer n.exc 25 cm complete all as specified and directed.

Removing of excavated materials n.exc 50 m and depositing where directed at a level n.exc 1.5 m above the starting point complete all as specified and directed.

Sand cushioning with a layer of sand 8cm thick before laying of cable and 15cm thick after laying of cable in trenches complete all as specified and directed.

Supply and laying unreinforced precast concrete cable cover, ISI marked class LV types 2 flat size 250mm x 150mm x 40mm having minimum average breaking load 200Kg, complying IS:5820-1970 made of concrete used of grade M-20, laid flat in trenches over the cable with the length of concrete cover perpendicular to the direction of the cable length, adjacent / abutting each other complete all as specified.

Galvanised tubing light grade 40 mm nominal bore for passing of cable, fixed to poles / walls / laying under floor/ roads complete with and including fittings as required complete all as specified

Galvanised tubing light grade 80 mm nominal bore for passing of cable, fixed to poles / walls / laying under floor/ roads complete with and including fittings as required complete all as specified

Boring of holes under road, pavement hard standing by trench less technology using ultra sound technique and necessary machine for inserting GI pipe of size 40 mm bore not less than one metre below ground level complete all as specified and directed. Note: GI pipe shall be measured and paid for separately.

Supplying, connecting, testing and commissioning and jointing, Laying in trenches or passing through pipe, Laying in trenches or passing through pipe, 10 Sqmm 4 core LT XLPE cable with stranded aluminium conductor heavy duth for 1100 volts grade cross sectional area complete all as specified and as directed . Fixed in repair.

Supplying, connecting, testing and commissioning and jointing, Laying in trenches or passing through pipe, Laying in trenches or passing through pipe, 16 Sqmm 4 core LT XLPE cable with stranded aluminium conductor heavy duth for 1100 volts grade cross sectional area complete all as specified and as directed . Fixed in repair.

Supplying, connecting, testing and commissioning and jointing, Laying in trenches or passing through pipe, Laying in trenches or passing through pipe, 25 Sqmm 4 core LT XLPE cable with stranded aluminium conductor heavy duth for 1100 volts grade cross sectional area complete all as specified and as directed . Fixed in repair.

Supplying, connecting, testing and commissioning and jointing, Laying in trenches or passing through pipe, Laying in trenches or passing through pipe, 50 Sqmm 3.5 core LT XLPE cable with stranded aluminium conductor heavy duth for 1100 volts grade cross sectional area complete all as specified and as directed . Fixed in repair.

Supplying, connecting, testing and commissioning and jointing, Laying in trenches or passing through pipe, Laying in trenches or passing through pipe, 70 Sqmm 3.5 core LT XLPE cable with stranded aluminium conductor heavy duth for 1100 volts grade cross sectional area complete all as specified and as directed . Fixed in repair.

Supplying, connecting, testing and commissioning and jointing, for weather proof flat twin core 6 sqmm multistrand aluminium conductor cable fixed in repair complete all as specified and directed by Engineer-in-Charge.

Supplying , connecting ,testing and commissioning and jointing, for weather proof flat twin core 10 sqmm multistrand aluminium conductor cable complete all as specified and directed by Engineer-in-Charge.Fixed in repair.

Taking out panel door with old broken hinges and supply and fix with new MS hinges medium weight of 75mm long fix to panel & panel door with suitable nut & bolt /welding and Painting of LT panel with two coats of synthetic enamel paint of existing colour complete exc 5 sqm n exec 10 sqm complete all as specified and directed.

Supply and fix in repair for 400 AMP MCCB, 4 pole 415 volt, AC 50 Hz, 4 pole, 36 KA with adjustable thermal and magnetic tripping system against over load and short circuit conditions incl neutral adjustment (Ics=100% of Icu) of capacity suitable of existing panel board including replacement of unserviseble MCCB complete all as specified and directed.

Supply and fix in repair for 250 AMP MCCB, 4 pole 415 volt, AC 50 Hz, 4 pole, 36 KA with adjustable thermal and magnetic tripping system against over load and short circuit conditions incl neutral adjustment (Ics=100% of Icu) of capacity suitable of existing panel board including replacement of unserviseble MCCB complete all as specified and directed.

Supply and fix in repair for 63 AMP MCCB 4 pole 415 volt, AC 50 Hz, 4 pole, 25 KA with adjustable thermal and fixed magnetic setting system against over load and short circuit conditions incl neutral adjustment (Ics=75% of Icu) of capacity suitable of existing panel board including replacement of unserviseble MCCB complete all as specified and directed.

Supply and fix in repair for 100 AMP, MCCB 4 pole 415 volt, AC 50 Hz, 4 pole, 25 KA with adjustable thermal and fixed magnetic setting system against over load and short circuit conditions incl neutral adjustment (Ics=75% of Icu) of capacity suitable of existing panel board including replacement of unserviseble MCCB complete all as specified and directed.

Supply and fix in repair for 125 AMP, MCCB 4 pole 415 volt, AC 50 Hz, 4 pole, 25 KA with adjustable thermal and fixed magnetic setting system against over load and short circuit conditions incl neutral adjustment (Ics=75% of Icu) of capacity suitable of existing panel board including replacement of unserviseble MCCB complete all as specified and directed.

Supplying, connecting, testing and commissioning Cable jointing kit for 1100 V (Earthed) grade cable for Stright through joint heat shrink type joint complete with jointing material and accessories suitable for 3.5/4 core XLPE armoured aluminium conductor cable of size 70 sqmm to120 sqmm fixed in repair / replacement complete all as specified and directed Engr-in-Charge.

Supplying, connecting, testing and commissioning Cable jointing kit for 1100 V (Earthed) grade cable for Stright through joint heat shrink type joint complete with jointing material and accessories suitable for 3.5/4 core XLPE armoured aluminium conductor cable of size 10 sqmm to16 sqmm complete all as specified and directed Engr-in-Charge.

Supplying, connecting, testing and commissioning Cable jointing kit for 1100 V (Earthed) grade cable for Stright through joint heat shrink type joint complete with jointing material and accessories suitable for 3.5/4 core XLPE armoured aluminium conductor cable of size 25 sqmm to 50 sqmm complete all as specified and directed Engr-in-Charge.

Supplying and fixind panel mounted volt meter digital type 3 phase fixed in repair complete all as specied and directed.

Supplying and fixing panel mounted Ammeter digital type 3 phase fixed in repair complete all as specied and directed.

M&L of Silicagel approved quality for existing transformer in breather fixed in repair complete all as specified and directed.

Supply and fill transformer oil conform to IS 335 of 1993 after due Filtration by electrically operated transformer oil filtration machine to achieve the test results of oil not less than 48 KV per minute at 2mm gap and topping up oil level in existing transformer complete all as specified and directed.

Supply and fixing lightning arresters expulsion type complete with all fittings, transmission class, discharge capacity 65 kilo amp suitable of 11000 Volts fixed in repairs fixed in repair complete all as specified and directed.

Supplying, laying in trenches or passing through pipe,Laying in trenches or passing through pipe, jointing with proper lugs, cable gland , HT under ground XPLE insulated, PVC sheathed 11000 V armoured heavy duty aluminium conductor size 95 Sq mm 3 core (UE) jointing & testing complete all as specified and directed. Note:- (i) Excavation, Earthwork and sand cushioning, PCC protection cover, GI pipe and protection clamps shall be measured and paid separately. (ii) High voltage test to be carried out after lying and jointing of cables. All arrangement for the high voltage test shall be provided by the contractor at their own cost & rates quoted are deemed to be included for this aspect of testing.

Supplying & fixing DO fuse for 11 KV 200 Amps set of three Frequency 50 Hz rated breaking capacity as per IS 93853 insulator D type complete all as specified and directed.

Supplying , connecting ,testing and commissioning in repairs of stay assembly with 16mm dia meter of stay rod complete with accessories as shown in electrical plate No 1 (loop type insulator, stay clamps, excavation and concrete will be measured and paid for separately).

Supplying, connecting, testing and commissioning in repairs of Gang operating device for Triple Pole, manually operated, mounted on12 nos insulators and steel frame with operating GI rod along with handle, operating mechanism worked from ground level, for current rating upto 400 amps 11kv.

Servicing the DG Set 160 KVA by carrying out "B" check. ie. changing the lubrication oil (Engine oil), replacing the fuel filter and lubrication oil filter etc. including cleaning the fuel tank, radiator and replacing the fuel calibration PVC hose pipe in fuel tank, replacing air filter, test and commissioning complete all as specified and directed. (Note:- Fuel filter,Diesel filter,air filter,Hose pipe,Lubrication oil Paid separately)

Servicing the DG Set 62.5 KVA by carrying out "B" check. ie. changing the lubrication oil (Engine oil), replacing the fuel filter and lubrication oil filter etc. including cleaning the fuel tank, radiator and replacing the fuel calibration PVC hose pipe in fuel tank, replacing air filter, test and commissioning complete all as specified and directed. (Note:- Fuel filter,Diesel filter,air filter,Hose pipe,Lubrication oil Paid separately)

Servicing the DG Set 30 KVA by carrying out "B" check. ie. changing the lubrication oil (Engine oil), replacing the fuel filter and lubrication oil filter etc. including cleaning the fuel tank, radiator and replacing the fuel calibration PVC hose pipe in fuel tank, replacing air filter, test and commissioning complete all as specified and directed. (Note:- Fuel filter,Diesel filter,air filter,Hose pipe,Lubrication oil Paid separately)

Servicing the DG Set 20 KVA by carrying out "B" check. ie. changing the lubrication oil (Engine oil), replacing the fuel filter and lubrication oil filter etc. including cleaning the fuel tank, radiator and replacing the fuel calibration PVC hose pipe in fuel tank, replacing air filter, test and commissioning complete all as specified and directed. (Note:- Fuel filter,Diesel filter,air filter,Hose pipe,Lubrication oil Paid separately)

Servicing the DG Set 15 KVA by carrying out "B" check. ie. changing the lubrication oil (Engine oil), replacing the fuel filter and lubrication oil filter etc. including cleaning the fuel tank, radiator and replacing the fuel calibration PVC hose pipe in fuel tank, replacing air filter, test and commissioning complete all as specified and directed. (Note:- Fuel filter,Diesel filter,air filter,Hose pipe,Lubrication oil Paid separately)

Supply and pouring lubricating oil suitable for existing DG Set of suitable grade duly approved by GE including taking out existing lubri cating oli and cleaning the tank properly complete all as directed.

Supply and fill coolant concentrate solution of approved grade in radiator suitable for existing DG set, including draining out old coolent and cleaning of radiator.

Supply & fix element air cleaner suitable of 160 KVA DG Set fixed in repair / replacement complete all as specified and directed.

Supply & fix element air cleaner suitable of 62.5/30/20/15 KVA DG Set fixed in repair / replacement complete all as specified and directed.

Supply & fix Hose pipe suitable of 62.5/30/20/15 KVA DG Set fixed in repairs complete all as specified and directed.

Supply & fix oil filter element suitable for DG set of capacity 160 KVA fixed in repair with washer seals etc. complete all as specified and directed.

Supply & fix oil filter element with washer seals suitable for DG set of capacity 62.5 KVA including taking out old unserviceable existing oli filter element set complete all as specified and directed.

Supply & fix oil filter element suitable for DG set of capacity 30/20/15 KVA with washer seals in repair replacement complete all as specified and directed.

Supply & fix fuel filter element set of two suitable for DG set of capacity 62.5 KVA with washer seals in repair replacement complete all as specified and directed.

Supply & fix fuel filter element set of two suitable for DG set of capacity 30/20/15 KVA with washer seals in repair replacement complete all as specified and directed.

Dismantaling Radiator of DG Set and Servicing / overhauling the same, making leak proof including soldering bracing cleaning the fins with antiscalent fixing on base frame on new AVM pads.complete of capacity 62.5 KVA DG Set.

Dismantaling Radiator of DG Set and Servicing / overhauling the same, making leak proof including soldering bracing cleaning the fins with antiscalent fixing on base frame on new AVM pads.complete of capacity 30 KVA DG Set.

Supply and fix fan belt suitable for existing DG Set of capacity 15/20/30/62.5 KVA complete all as specified and directed including taking down wornout unserviceable fan belt complete all as specified and directed.

Supply and fix in replacement of fuel pipe flexible from fuel tank to engine with steel braided suitable pipe 1.5mtr long fixed in repairs complete all as directed by Engineer - in - Charge.

Repair to self starter assembly for 62.5 KVA DG Set by strip opening, varnishing of field coil, replacement of carbon brush, bearings, pinion with one, reassembling and fixing on engine and testing on load complete all as directed by Engineer - in - Charge.

Repair to self starter assembly for 20/30 KVA DG Set by strip opening, varnishing of field coil, replacement of carbon brush, replacement of bearings, replacement of pinion and reassembling and fixing on engine and testing complete all as directed by Engineer - in - Charge.

S & F fuel filter element set of two and washer set suitable for DG set of capacity 160 KVA including removing old fuel filter and washer seals etc complete all as specified and directed.

S&F in replacement of battery 12 volts,150AH with connecting leads of copper cable of suitable size including brass terminals etc complete all as specified and directed. (Make - Amaron / Exide)

S&F in replacement of battery 12 volts,130AH with connecting leads of copper cable of suitable size including brass terminals etc complete all as specified and directed. (Make - Amaron / Exide)

Dismantling of existing hose clamp set of two and with replacement of new hose clamp set complete.

Preparation of external surfaces of diesel Tank and base stand by scrapping surfaces using brush, sand paper and applying two coats of synthetic enamel paint complete all as specified and directed.

S & F Stop cable assembly suitable of existing 62.5/30/20/15 KVA DG Set fixed in repairs complete all as specified and directed.

S & F Battary wire cable set (red and black) length minimum 3 feet each connected with battary terminal with lugs suitable for of DG Set 62.5/30/20/15 KVA complete all as specified and directed.

Repair to water pump including replacement of sliding ring seal, slide ring, rubber sealing ring, ball bearing overhauling the same, and refixing on engine 62.5 KVA DG Set and testing after completion complete all as specified and directed.

Repair to water pump including replacement of sliding ring seal, slide ring, rubber sealing ring, ball bearing overhauling the same, and refixing on engine 30/15 KVA DG Set and testing after completion complete all as specified and directed.

Repair to Alternator (Dynomo) including replacement of defective parts and overhauling the same, and refixing on engine 62.5 KVA and testing after completion complete all as specified and directed.

Repair to Alternator (Dynomo) including replacement of defective parts and overhauling the same, and refixing on engine 30/20/15 KVA DG Set complete all as specified and directed.

Dismantaling taking out and opening of unserviceable 62.5 KVA DG Set engine repair / replacement of defective parts of piston, rings, valve, crank saft, connecting rod, pressure pipe line, injector, cylinder case, gasket if any repair to workshop and replacement of oil filter, fuel filter, replacing engine oil, air filter overhauling refixing same and testing commissioning at site complete all as specified and directed.

Dismantaling taking out and opening of unserviceable 62.5 KVA DG Set Alternator repair to defective parts of stator, rotor, excitor, armature rewinding and tit pit maintenance taking to workshop and refixing same and testing commissioning at site complete all as specified and directed.

Dismantaling taking out and opening of unserviceable 30/20/15 KVA DG Set Alternator repair to defective parts of stator, rotor, excitor, armature rewinding and tit pit maintenance taking to workshop and refixing same and testing commissioning at site complete all as specified and directed.

S & F MCB SP 10 Amps,10 KA breaking capacity 'C' Curve suitable 230 V,50 Hz for lighting and other domestic load complete all as specified and directed by Engineer - in - Charge.

S & F MCB SPN 40 Amps,10 KA breaking capacity 'B' Curve suitable 230 V,50 Hz for lighting and other domestic load complete all as specified and directed by Engineer - in - Charge.

S & F flush head actuator Green/Red start/ stop fixed in repairs contact complete all as specified and directed.

S & F LED indicator Red/Green/Yellow for panel board complete all as specifed and directed.

Nitesh Enterprise

Harsh Infrastructure