REPAIR/REPLACEMENT OF LT ELECTRIC CABLES,HT/LT CAPACITOR BANK OVERHAULING OF HT VCB,TRANSFORMER,LT BUS DUCTS,LT ACB,MCCB AND STREET LIGHT FITTING AND ALLIED WORKS AT INHS ASVINI

Taking down old unserviceable bollard/garden light fitting of any make or wattage and supplying and fixing LED bollard light 9 W, minimum 120 lumen/watt efficiency, having high-impact-resistant and durable body, ingress-protected design, easy installation, and soft uniform illumination, complete as specified and directed.

RATE In Figures To be entered by the Bidder Rs. P

Testing of dielectric strength of transformer oil of indoor type transformer, 11KV/433 volt, filteration of transformer oil by passing through filtration plant to remove moisture, impurities and improving di-electic strength to above 40 KV for 1 minute including new transformer oil for toping up & testing after filtration complete as specified. (Note: Transformer oil will be measured & paid seperately.)

Note for Item No 01- Overhauling of VCB mechanism, including: (i) Inspecting and overhauling the manual/motorised spring-drive mechanism—motor, gear train, main shaft, interlocking assembly, stop bolt, closing spring assembly, small cam, motor cut-off limit switch, butterfly switch assembly—and applying multi-purpose grease for smooth operation. (ii) Inspecting and overhauling the tripping mechanism, earth-fault release, tripping coil, auxiliary switch, and entire control wiring system. (iii) Cleaning and inspecting insulators and vacuum interrupters using carbon-cleaner solution; applying dry graphite conductive sealant on electrical contact surfaces to prevent carbon deposition. (iv) Complete re-assembly of all components and testing the breaker by High Voltage (DC) test and meggerring before and after H.V. test, complete as specified.

Opening / Closing Push Button Assembly

Motor Charging mechanism gear box

Limit Switches

Closing Coil Assembly

Tripping Coil assembly

Spring Charging Motor

Auxiliary Switch with link

Spring return latch

Vaccum Interupter assembly

Spout Insulator assembly (3Phase) feeder side

Spout Insulator assembly (3Phase) Bus bar side

Potential Transformer,11KV/110Volt/Rout3,100VA burden Trolly mounted with HRC Fuse

Current Transformers,50-30,5+5Amps, Class1 and 5p10,15VA,18.3kA/3Sec

TNC Switch

PF meters digital type 96x96mm

Indicating Lamps LED type

(i) Cleaning inside the panel and all incoming and out going feeders i.e including MCCB/SFU/Changeover switches/Contactors/ ACB's thorouly with help of Vaccum Cleaner.(ii) Checking the loose connections of incoming and out going feeders and rectifify the same with help of new GI nut bolts and washers (iii) Replacing the burnt out color coated PVC Sleeve of main and fedders bus bar with appropriated size of New PVC heat shrinkable sleeves -01Job (iv) Replacing Burnt out Voltmeters/Ammeters/Indicating Lamps/Hrc Fuses-01Job. (Note: New items will be measured and paid separatly) (v) Replacing burnt out control wiring of Ammeter/Voltmeter/Indicating lamps and CT'swith 2.5/1.5Sqmm copper single core,1100V grade copper conductor cable- 01Job (vi) Replacing Burnt out Bus Bar of incomming and out going feededs with approprieted size of new bus bar (Copper/Aluminum) -01Job ( Note : Bus Bar will measured and paid separately).(vi) Replacing Burnt out Insulators of incomming and out going feeders with approprieted size of new Insulators -01Job ( Note : Insulators will measured and paid separately) (vii) Spray Painting of Panel Board with one coat of synthetic enamel paint.

Supply, laying, commissioning and testing of XLPE insulated, armoured, heavy-duty electric cable with aluminium conductor, 1100-volt grade, of size 10 sqmm × 2-core, laid in trenches, passed through pipes or fixed on walls, including proper termination using thimbles and removal of old unserviceable/damaged cables, complete as specified and directed.

Taking down old unserviceable LT panel and Supply, install, test and commissioning Outdoor type LT Pannel Board of size ( 0.90 mtr length x 0.35 mtr width x 1.35 mtr height) at Near fire stn to CO house road ,CPRI approved cubical type made out of 2.0 mm thick CRCA sheet confirming to IS - 8623 totally enclosed double door hinged type front & rear opening weather dust and vermin proof with canopy slope top, powder coated painting, locking arrangement, entry holes and glands of suitable size for incoming / outgoing cables mounted on including MS angle iron stand fabricated out of 40 mm x 40 mm x 6 mm angles, copper Bus-bar 400 A capacity, internal copper control wiring of suitable size for instrument / indicators etc, suitable size of copper strip for power connections from Bus-bar, Multifunction meter - 01 No, RYB Indicating Lamps - 1 Set, complete including the following complete all as specfied and directed by Engr-in-charge. (i) S&F MCCB 4 Pole 200 Amps 415 Volts 36 KA - 01 No (Incoming) (ii) S&F MCCB 4 Pole 63 Amps 415 Volts 16 KA- 01 No (Outgoing) (iii) S&F MCB TPN 63 Amps 415 Volts 10 KA - 02 Nos (Outgoing) (iv) S&F DP 0-32 Amps 240 Volts 10 KA-04 Nos(outgoing)

All as per Item No-22.00 as above but of size 240 to 300 sq mm x 3 core all as specified and directed by the Engineer-in-Charge.

All as per Item No-24.00 as above but of size 240 to 300 sq mm x 3 core

All as per Item No 26.00 as above but for 6 Sqmm x 4 core.

All as per Item No 26.00 as above but for 10 Sqmm x 4 core.

All as per Item No-26.00 as above but of size 16 sq mm x 4 core

All as per Item No-26.00 as above but of size 25 sq mm x 4 core

All as per Item No-26.00 as above but of size 35 sq mm x 4 core

All as per Item No-26.00 as above but of size 50 sq mm x 3.5 core

All as per Item No-26.00 as above but of size 70 sq mm x 3.5 core

All as per Item No-26.00 as above but of size 95 sq mm x 3.5 core

Taking out carefully the old XLPE insulated, armoured heavy-duty electric cable with aluminium conductor, 1100-volt grade, from trenches, pipes or walls and keeping it safely at site for re-use, cable size 10 to 50 sqmm × 3.5-core, complete as directed by the Engineer-in-Charge.

Laying only the old XLPE insulated, armoured heavy-duty electric cable with aluminium conductor, 1100-volt grade, of size 10 to 50 sqmm × 3.5-core, in trenches, through pipes or fixed on walls, including proper connection by means of thimbles, complete as directed by the Engineer-in-Charge. (Cable taken out under Sch “A”, Item No. 40.00 shall be re-used.)

Excavation in trenches not exc 1.5 mtr wide and not exc1.5 mtr in depth for laying of cables etc. in any type of soil and getting out all as specified and directed by Engineer-in-Charge. Note : Rate includes removing of paver blocks carefully and stack properly for refixing after laying of cables .

Returning filling in including spreading, levelling, watering and well ramming in layers not exc 25 cm in soils.

Supply and laying of un-reinforced precast concrete cable covers, Class LV Type 1, flat size 250 mm × 150 mm × 40 mm, complete as specified and directed.

Material and labour for earthing complete with galvanised steel earth plate electrode 600 mm × 600 mm × 6 mm thick, buried directly in ground vertically in an earth pit not less than 2.25 m deep below normal ground level, with the top edge of the plate not less than 1.5 m below ground level. Electrode shall be connected to GI earth strip 32 × 6 mm using galvanised bolts, nuts, check nuts and washers. Work includes provision of charcoal and salt in alternate layers, 20 mm dia medium-grade MS watering pipe with funnel and wire mesh, PCC 1:2:4 type B-1 pit enclosure with XPM reinforcement not less than 4 kg/sqm, and earth pit cover.Includes returning, filling, removal of excavated soil, making good disturbed surfaces such as hard-standing areas, including refixing removed precast concrete interlocking paver blocks to match existing surfaces, complete after taking out old/unserviceable earthing and testing on completion, all as specified in Electrical Plate No. 3 of SSR Part-I and as directed by the Engineer-in-Charge.

Supply only LED driver of 200 W LED Flood light fitting complete as specified..

Supply and fix in replacement GI pipe street-light bracket, 40 mm dia, 1 m long, bent to required shape, fixed to pole/wall using two numbers of flat-iron clamps 40 × 6 mm with nuts and bolts, including making all electrical connections and taking down the ol

d bracket, complete as specified and directed.

Material and labour for TMT bars/mild-steel angle cross arms, bracings, supports, clamps and back plates fabricated from structural-steel sections, including nuts, bolts, washers, welding, cold/hot bending, and drilling of bolt holes, in any shape or size as indicated, complete with one coat of primer, one under-coat of aluminium paint and one finishing coat of aluminium paint (for supporting frames for flood-light fittings), all as specified.

S&F in replacement of MCCB TPN 250 Amp 36 kA, 415 V, 50 Hz, AC complete all as specified & directed.