CERTAIN REPAIR TO ELECTRICAL INSTALLATION AND OTHER CONNECTED WORKS AT AF STN MAMAURA

Amount

Disconnecting & taking out non functional Outdoor VCB of any description and any make of rating 33 KV, 800/1250 Amps dismantling / opening of the VCB for servicing / overhauling, greasing and scrubbing the old surfaces with one coat of red oxide paint over two coat of existing synthetic enamel paint, taking out and removing unserviceable/defective parts including cleaning & servicing ,greasing, oiling of the parts etc and replacement of unserviceable parts with new one, reassembling the VCB after overhauling / servicing and its testing complete all as specified and directed by Engineer-in-Charge. (Note :- The quoted rates of the contractor includes for fixing the serviceable parts in position and replacement of unserviceable parts with new parts.The new replaced parts shall be measured and paid for separately under appropriate item of Sch `A’ as `supply only )

Supply only following spare parts for 33 KV VCB,800Amp/ 1250 Amps capacity out door type of Make: Crompton Greaves / ABB/. (Notes : (i) Fixing & testing element of following item is deemed to be included under Sch `A’ item No-03 here-in-before. (ii) Quantity of under mentioned items is tentative and contractor shall have no claim on account of variation of quantity or non execution of any of the item )

Breaker locking & Free Lever with spring

Isolating contact assembly

Spring charging

Tripping shaft with springs & trip strip

Ratchet wheel with key & set of pawls with pins

Bar pin bolt of charge/discharge mechanism

Bar pin and liver of main shaft

Control Motor 1.3A , 230 Volts AC/DC O/P 0.1KW with complete accesserioes

Disconnecting & taking out non functional Indoor VCB of any description and any make of rating 11 KV, 400/630 Amps dismantling / opening of the VCB for servicing / overhauling, greasing and scrubbing the old surfaces with one coat of red oxide paint over two coat of existing synthetic enamel paint, taking out and removing unserviceable/defective parts including cleaning & servicing ,greasing, oiling of the parts etc and replacement of unserviceable parts with new one, reassembling the VCB after overhauling / servicing and its testing complete all as specified and directed by Engineer-in-Charge. (Notes :- The quoted rates of the contractor includes for fixing the serviceable parts in position and replacement of unserviceable parts with new parts.The new replaced parts shall be measured and paid for separately under appropriate item of Sch `A’ as `supply only )

Supply only following spare parts for 11 KV VCB, 400/630 Amps capacity indoor type of Make: Crompton Greaves/ Siemens/ABB. (Note : (i) Fixing & testing element of following item is deemed to be included under Sch `A’ item No-03 above. (ii) Quantity of under mentioned items is tentative and contractor shall have no claim on account of variation of quantity or non execution of any of the item

Big gear & small gear assembly

Isolating contact assembly

Breaker locking & Free Lever with spring

Ratchet wheel with key & set of pawls with pins

Spring charging

Set of 6 Nos flexible connectors

Lower supports.

Support insulator.

Manual spring charging handle

Flex contact block

Auxiliary switch (7NO + 7 NC).

Closing coil assembly 24 Volt/30 Volt / 110 Volt

Tripping coil assembly 24 Volt/30 Volt / 110 Volt

Striker

Raise/lower pinion shaft

Release coil assembly.

Supply and fix in replacement of lighting arrester, explusion type suitable for 33 KV system, discharge current capacity 65 KA station class III, base type mounted on steel structure and taking down of unserviceable and all as directed.

Supply and fix lighting arresters explusion type complete with all fittings, distribution class, discharge capacity 65 kilo amp suitable for 11 KV including work steel work reqd for mounting on steel structure all as directed.

M&L for replacement of HT 11 KV outdoor type triple pole switch air break , gang operated mounted on insulator (09 nos) and steel frame,with operating mechnism worked from ground level for current rating upto 400 amps for working 11000 volts with heavy duty gun metal or brass metal parts both top and bottom contracts with one copper ribon, brass/copper terminal clamps having six nuts & bolts for one connection point complete with locking arrengment and taking down of unserviceable and all as directed. (Make : PACTAIL/HIGH TENSION SWITCH GEAR/JAIPURIA).

Supply, laying & testing HT cable XLPE insulated, screened PVC bedded, galvanized steel strip or wire armoured electric power cables (heavy duty) with aluminum conductor, 11000 volts grade cross sectional area of size 95 SQMM 3 core complete all as specified and as directed. Note:- Earth work shall be meaursed and paid separately

Supply, laying & testing HT cable XLPE insulated, screened PVC bedded, galvanized steel strip or wire armoured electric power cables (heavy duty) with aluminum conductor, 11000 volts grade cross sectional area of size 240 SQMM 3 core ccomplete all as specified and as directed. Note:- Earth work shall be meaursed and paid separately

Supply, laying & testing HT cable XLPE insulated, screened PVC bedded, galvanized steel strip or wire armoured electric power cables (heavy duty) with aluminum conductor, 11000 volts grade cross sectional area of size 120 SQMM 3 core complete all as specified and as directed. Note:- Earth work shall be meaursed and paid separately.

Taking out unserviceable HT cable of any size from trenches/duct etc carefully including bricks and keeping in safe custody either for relaying or disposal all as specified and directed.

Supply and fix cable jointing kit for 11 KV(Earthed) grade cable for indoor termination heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 95 Sqmm to 120 sqmm including taking down old joint all as directed. Make : Birla 3m, M seal,Denson

Supply and fix cable jointing kit for 11 KV(Earthed) grade cable for indoor termination heat shrinkable type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 240 Sqmm including taking down old joint all as directed. Make : Birla 3m, M seal/Denson

Supply and fix cable jointing kit for 11 KV (Earthed) grade cable for outdoor termination heat shrinkable type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 95 Sqmm to 120 sqmm, including taking down old joint all as directed. Make : Birla 3m/ M seal/Denson

Supply and fix cable jointing kit for 11 KV (Earthed) grade cable for outdoor termination heat shrinkable type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 240 Sqmm including taking down old joint all as directed. Make : Birla 3m/ M seal/Denson

Supply and fix cable jointing kit for 11 KV (Earthed) grade cable for straight through heat shrinkable type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 240 Sqmm to 300 Sqmm including taking down old joint all as directed. Make : Birla 3m/ M seal/Denson

Earthing complete with galvanised steel earth plate electrode 600 x 600 x 6mm thick, burried directly in ground (earth pit not less than 2.25m deep below ground level) with top edge of the plate not less than 1.5m below normal ground level, connected ot galvanised iron strip of size 32 x 6mm earth lead by means of bolt, nuts, washers of galvanised iron or steel, earth strip protected by and including GI pipe 40mm dia bore (light grade) and connected to main test point as directed including concrete pit in PCC (1:3:6) type C-1, precast RCC (1:1½:3) type A-1 cover slab of size 54 x54 x 5 cm reinforced with 8mm dia TMT bars @ 150 mm C/C both ways with one handle for lifting, made out of 8mm dia TMT bar embedded in precast cover slab, funnel, wire mesh, 20mm bore GI pipe (medium grade) for watering, charcoal and salt in alternate layers, including necessary excavation and earth work in any type of soil complete all as shown on electrical plate No 5 of SSR Part-I and testing complete all as specified and as directed.

Supply and fix digital Voltmeter, 0-500 Volts and taking as credit of unservicable all as directed. Make- L&T/ABB

Supply and fix digital Ammeter, 0-400 Amps and taking as credit of unservicable all as directed. Make- L&T/ABB

Supply and fix digital energy meter, three phase, 4 wire, 415 volts, 50 Hz, class 1.0 and taking as credit of unservicable all as directed. Make- L&T/ABB

Disconnecting & taking out the connection of functional voltage stabilizer of any description and in any position & strip opening of Servo operated oil cooled Voltage Stabilizer of 75 KVA to 500 KVA , 3 Phase , 50Hz , for periodical servicing all as directed.

Supply and fixing Battery Charging transformer 0 -30 Amp Amperes, 12 Volts DC tapping 0 – 12 – 24 Volts

Excavation in trenches n.exc 1.5 mtr wide and n.exc 1.5 mtr depth for laying cable and getting out soft/loose soil complete all as specified and directed by Engr-in-charge.

Removing excavated material to a distance n. exc 50 mtr and depositing where as directed at a level n.exc 1.5 mtr above the starting point complete all as specified and directed by Engr-in-charge.

Returning filling in including spreading, levelling, watering and well ramming in layers n.exc 25 cm complete all as specified and directed by Engr -in-charge.

M&L for Brick, sub class ‘B’, old size, laid in trenches as in cable protection complete all as specified and as directed.

M&l sand cushioning 8cm below the cable and 15cm above the cable for cable protection in trenches complete all as specified and directed by Engr-in-charge.

Supplying and fixing Galvanised mild steel pipe /tubing, light grade 80 mm dia complete with all fittings, laid in trenches / under roads, drain, paths, fixed to poles/ walls with Mild steel clamps , bolts , nuts and washers complete all as specified and directed :- (Excavation & Earth work , Mild steel clamps, bolts , nuts and washers shall be measured and paid separately) (Make: - QST/ TATA / JINDAL)

S&F Silika gel breather ( Transparent type) with silica gel complete all as specified suitable for upto 175 KVA capacity complete all as specified.

S&F Silika gel breather ( Transparent type) with silica gel complete all as specified suitable for transformer excd 175 KVA but not exceeding 500 KVA.capacitycomplete all as specified.

M&L for hiring of cable fault dedector, to detect exact position of fault for XLPE /Pilca HT cable, 11000 Volts grade heavy duty aluminium conductor of any size as required length including transporting charges etc. all as specified and directed.

Supply and fix in replacement pin type insulator porcelain vitreous green, brown or white suitable for 11000 Volts grade including one galvanised mild steel spindle two GI washers, one GI nut, bolt and two washers etc of size 150mm height and 150mm dia, complete all as specified.

S& F in replacement post type pin insulator porcelain vitreous white, brown or green insulator of suitable size for working pressure 33000 Volts graded, complete all as specified.

Supply and fixing digital electronic watt-hour multi functional LCD display meter three phase 4 wire accuracy Class -1.0 conformation with IS 13779 current rating 10-60 Amp, 230 volts two wire 10 to 60 Amp capacity Make:- Secure /HPL/L&T/Legrand/AE

Suppy and filling silica gel of good quality in existing silica gel breather of transformer complete all as specified.

DUWELL CONTROL PANELS

VEE KAY ENTERPRISES

Unnati Engineers