REPAIR/MAINT/REPLACEMENT OF LT FEEDER PILLAR / PANELS BOARDS, SWITCH GEAR / REPLACEMENT OF MCCBs, LT CABLES AT DOMESTIC AREA OF AF STN BARRACKPORE UNDER GE (AF) BARRACKPORE

Amount

Excavation in trenches not exceeding 1.5 m wide and not exceeding 1.5m in depth and getting out in soft/loose soil for laying of under ground cable complete all as specified and as directed.

Returning filling in including spreading leveling watering and well ramming in layers not exceeding 25cm in soft/loose soil complete all as specified and directed.

Removing excavated materials (soil) to a distance not exceeding 50 mtr and depositing where directed at a level not exceeding 1.5 mtr above the starting point complete all as specified and directed.

Materials and labour for boring for passing GI protection pipe up to 80 mm bore (dia) under road / footpath without disturbing the top surface complete all as specified and directed Note-Necessary infrastructure required for boring shall by arranged by the contractor and cost of the same included in quoted rates.

Taking down / out un-serviceable or serviceable LT UG Cables of size 150 sqmm 3.5 core and connections including bricks, GI pipes, etc. of any descriptions, laid in trenches and / or fixing with walls / poles including segregating of serviceable materials viz bricks, cables, GI pipes, etc. and keep in safe custody for re-use, complete all as specified and directed. Note:- Earth work shall be measured and paid seperately under respective items.

All as per Item No. 5.00 above, but of size 120 sqmm 3.5 core and -ditto-.

All as per Item No. 5.00 above, but of size 95 sqmm 3.5 core and -ditto-.

All as per Item No. 5.00 above, but of size 70 Sqmm 3.5 core and -ditto-.

All as per Item No. 5.00 above, but of size 50 Sqmm 3.5 core and -ditto-.

All as per Item No. 5.00 above, but of size 35 Sqmm 3.5 core and -ditto-.

All as per Item No. 5.00 above, but of size 25 Sqmm 4 core and -ditto-.

All as per item No 5.00 above but of size 16 smm 4 core and -ditto-.

Supply, laying, connecting and testing XLPE insulated, PVC sheathed, armoured LT electric power UG cable (heavy duty with stranded aluminum conductor) of size 150 Sqmm, 3.5 core, 1100 Volts, confirming to IS-7098 (Part-I) laid through duct/ pipe / in trenches etc. with brass compression cable gland, terminal lugs, etc complete all as specified and directed. Note : Earth work, brick protection and sand cushioning and GI Pipe shall be measured and paid separately under respective item.

All as per Item No. 13.00 above, but of size 120 sqmm 3.5 core and -ditto-.

All as per Item No. 13.00 above, but of size 95 sqmm 3.5 core and -ditto-.

All as per Item No. 13.00 above, but of size 70 sqmm 3.5 core and -ditto-.

All as per Item No. 13.00 above, but of size 50 sqmm 3.5 core and -ditto-.

All as per Item No. 13.00 above, but of size 35 sqmm 3.5 core and -ditto-.

All as per Item No. 13.00 above, but of size 25 sqmm 4 core and -ditto-.

All as per Item No. 13.00 above, but of size 16 sqmm 4 core and -ditto-.

Re-laying, connecting and testing XLPE insulated, armoured, electric power UG cable (heavy duty) with aluminium conductor, 1100 Volt grade of size 150 Sqmm 3.5 core core including brass compression cable gland, terminal lugs, etc. complete all as specified and directed. Note : (i) Earth work, brick protection and sand cushioning and GI Pipe Shall be measured and paid separately under respective item. (ii) Servciable cables obtained from item No. 5.00 shall be reused under this item.

All as per Item No. 21.00 above, but of size 120 Sqmm 3.5 core and -ditto-. Note : (i) Earth work, brick protection and sand cushioning and GI Pipe Shall be measured and paid separately under respective item. (ii) Servciable cables obtained from item No. 6.00 shall be reused under this item.

All as per Item No. 21.00 above, but of size 95 Sqmm 3.5 core and -ditto-. Note : (i) Earth work, brick protection and sand cushioning and GI Pipe Shall be measured and paid separately under respective item. (ii) Servciable cables obtained from item No. 7.00 shall be reused under this item.

All as per Item No. 21.00 above, but of size 70Sqmm 3.5 core and -ditto-. Note : (i) Earth work, brick protection and sand cushioning and GI Pipe Shall be measured and paid separately under respective item. (ii) Servciable cables obtained from item No. 8.00 shall be reused under this item.

All as per Item No. 21.00 above, but of size 50Sqmm 3.5 core and -ditto-. Note : (i) Earth work, brick protection and sand cushioning and GI Pipe Shall be measured and paid separately under respective item. (ii) Servciable cables obtained from item No. 9.00 shall be reused under this item.

All as per Item No. 21.00 above, but of size 35 Sqmm 3.5 core and -ditto-. Note : (i) Earth work, brick protection and sand cushioning and GI Pipe Shall be measured and paid separately under respective item. (ii) Servciable cables obtained from item No. 10.00 shall be reused under this item.

All as per Item No. 21.00 above, but of size 25 Sqmm 4 core and -ditto-. Note : (i) Earth work, brick protection and sand cushioning and GI Pipe Shall be measured and paid separately under respective item. (ii) Servciable cables obtained from item No. 11.00 shall be reused under this item.

All as per Item No. 21.00 above, but of size 16 Sqmm 4 core and -ditto-. Note : (i) Earth work, brick protection and sand cushioning and GI Pipe Shall be measured and paid separately under respective item. (ii) Servciable cables obtained from item No. 12.00 shall be reused under this item.

MMaterial and labour for sand cushioning with clean and dry river sand for protection of XLPE UG cable with approved sand of uniform thickness. laid dry, filling in trenches and punning down in proper required layers complete all as specified and directed. Note:- Punned down thickness shall be measured for payment.

Materials and labour for brick protection cover to underground cables with sub class ‘B’ of size 23 X 11.5 X 7.5 cm, (locally available best quality), laid dry and flat abutting each other with gaps not exceeding 10mm complete all as specified and directed.

Labour only for re-laying old brick in trenches for protection of under ground cable complete all as specified and directed. Notes:- Serviceable bricks obtained from item No 5.00 to 12.00 shall be reused under this items.

Taking down / out unserviceable 50/ 80 mm GI / HDPE/ polyethylene flexible pipes of any descriptions, laid in trenches or fixing with walls / poles complete all as specified and directed.

Supply and fix GI tubing of size 80 mm dia (light grade) with all fittings, laid in trenches / road crossing / fixed on wall / pole with mild steel clamps, nuts, bolts, etc. for protection of cables complete all as specified and directed.

Supply and fix GI tubing of size 50 mm dia (light grade) with all fittings, laid in trenches / road crossing / fixed on wall / pole with mild steel clamps, nuts, bolts, etc. for protection of cables complete all as specified and directed.

Material and labour for repair of LT feeder pillar box (size minimum 1.2 x 1 x 0.5 m and maximum 2 x 1.5 x 0.6 m) complete including dismantling of burnt-out cable connections, bus-bars, MCCBs etc and preperation of external surfaces and apllying one coat of synthetic enamel paint, refixing of bus-bars, serviceable MCCBs, all cable connection from busbar to terminals at both ends and replacement of epoxy cast busbar, insulators etc. including patch repair with electric welding for replacement of hinges, refixing of broken doors, replacement of locking arrangement with sliding bolts including PCC for reconstruction of foundation/coping etc. complete all as specified and directed. NOTE : MCCB / Cable connector required for replacement & required PCC for reconstruction of foundation / coping shall be measured and paid separately under respective items.

Supply and fix in repair cable connector of length 0.5 m, made out of 25sqmm multi-stranded copper conductor single core PVC inner sheathed un-armoured cable including copper lugs, copper nut bolts etc.complete all as specified and directed.

Supply and fix in repair cable connector of length 0.5 m, made out of 35sqmm multi-stranded copper conductor single core PVC inner sheathed un-armoured cable including copper lugs, copper nut bolts etc. complete all as specified and directed.

Supply and fix in repair cable connector of length 0.5 m, made out of 50sqmm multi-stranded copper conductor single core PVC inner sheathed un-armoured cable including copper lugs, copper nut bolts etc.complete all as specified and directed.

Demolition of brickwork or stone/boulder masonary built in cement mortar including all quoins, arches, pillars, etc, but excluding ashlar facings, dressed stonework and precast concrete articles and removal of rubbish from the site complete all as specified and directed

Material and labour for brick work with sub class `B` bricks, old size, straight or curved on plan exc 6m mean radius built in cement mortar (1:6) complete all as specified and directed.

Material and labour for PCC (1:3:6) type C-1 (using 20 mm grade stone aggregate) for kerbs, coping etc chamfered edges including form work including demolition of existing cement concrete (unreinforced) of any spaecififcation and removal of rubbish from the site complete all as specified and directed

Supply and fix in repair straight through heat shrink type joint cable joint kit including jointing materials for making joints of UG electric cable 1100 Volt grade heavy duty with PVC / XLPE insulated aluminium stranded conductor of size 16sqmm to 50 sqmm 3.5 / 4 Core and testing complete all as specified and directed.

Supply and fix in repair straight through heat shrink type cable joint kit including jointing materials for making joints of UG electric cable 1100 Volt grade heavy duty with PVC / XLPE insulated aluminium stranded conductor of size 70 sqmm to 120 sqmm 3.5 core and testing complete all as specified and directed.

Supply and fix in repair straight through heat shrink type cable joint kit including jointing materials for making joints of UG electric cable 1100 Volt grade heavy duty with PVC / XLPE insulated aluminium stranded conductor of size 150 sqmm to. 185 Sqmm 3.5 core and testing complete all as specified and directed.

Supply and fix in repair straight through heat shrink type cable joint kit including jointing materials for making joints of UG electric cable 1100 Volt grade heavy duty with PVC / XLPE insulated aluminium stranded conductor of size 240 sqmm to. 300 Sqmm 3.5 core and testing complete all as specified and directed.

Supply and fix in repair end termination heat shrink type for outdoor termination cable joint kit including jointing materials for making joints of UG electric cable 1100 Volt grade heavy duty with PVC / XLPE insulated aluminium stranded conductor of size 150 sqmm to 185 Sqmm 3.5 core and testing complete all as specified and directed.

Supply and fix in repair end termination heat shrink type for outdoor termination cable joint kit including jointing materials for making joints of UG electric cable 1100 Volt grade heavy duty with PVC / XLPE insulated aluminium stranded conductor of size 240sqmm to 300sqmm 3.5 core and testing complete all as specified and directed.

Supply installation, commissioning and testing including providing all necessary electrical connection, LT busbar box (CPRI Approved), outdoor type, double door,factory made out of 3.15 mm thick CRCA sheet of size 0.60 m x 0.60 m x 0.5 m deep having hinge opening arrangement in front and back side and bottom frame made out of angle iron of size 50x50x6mm thick and 04 nos legs 0.5 meter length with cable entry and exit circular hole with cable gland & gasket at bottom complete including painting to all internal and external exposed steel surfaces with powder coating paint (5 stage process) with duly fixed in ground with necessary PCC foundation (1:2:4) type B1 (using 20 mm grade stone aggregate), upto a height of 0.5m from ground level with danger notice plate of 1.6mm thick mild steel sheet, vitreous enamelled (white), with letters, figures and conventional skull and bones in signal red colour, fixing lugs, bolts, screws etc including necessary excavation work for taking out cable loop, foundation of bus bar box and refilling and comprising of the following accessories:- (a) Anodized Copper bus bar of capacity 300 Amp -04 Nos. Including taking down old unserviciable bus bar box complete all as specified and directed.

Material and labour for preperation of old painted surface of panel board and applying one coat of synthetic enamel paint by spray painting complete all as specified and directed.

Material and labour for disconnecting of APFC panel from all incomming / outgoing connection of any capacity, checking the serviceability of all components i.e. existing capacitors, contactors, MCB, MCCB, indicator lights, power factor controller, replacement of burnt out PVC insulated copper wire of existing size, copper thimble, MCB SPN 'C' Series (6-32Amp) 10KA, re-connect the same after throughly clean, and fixed the spare parts and testing complete all as specified and directed. Note:- Spare parts as required shall be measured & paid separately under respective items as supply only.

Supply only indicator lamp LED type colour (Red/ Yellow/ Blue/ Green of any) complete all as specified and directed.

Supply only tape insulated ring type low tension current transformer, ratio 200/5 A, burden 10/15 VA, accuracy class 0.5 complete all as specified and directed.

Supply only power factor controller of capacity 8 step 440 volt, 3 phase 50 Hz complete all as specified and directed.

Supply and fix in repair ACB 4 Pole, 415 V, 630 Amp, 50KA with thermal magnetic release (manual fixed type) complete all as specified and directed.

Supply and fix in repair MCCB, 320 Amps, 4 pole, 415 Volt, 50 Hz, breaking capacity 36 KA, fixed thermal and magnetic setting type complete all as specified and directed.

Supply and fix in repair MCCB, 250 Amps, 4 pole, 415 Volt, 50 Hz, breaking capacity 36 KA, fixed thermal and magnetic setting type complete all as specified and directed.

Supply and fix in repair MCCB, 160 Amps, 4 pole, 415 Volt, 50 Hz, breaking capacity 36 KA, fixed thermal and magnetic setting type complete all as specified and directed.

Supply and fix in repair MCCB, 4 pole, 125 Amps, 415 Volts, breaking capacity 25 KA, adjustable thermal and magnetic setting type complete all as specified and directed.

Supply and fix in repair MCCB, 4 pole, 100 Amps, 415 Volts, breaking capacity 25 KA, adjustable thermal and magnetic setting type complete all as specified and directed.

Supply and fix in repair MCCB, 4 pole, 63 Amps, 415 Volts, breaking capacity 25 KA, adjustable thermal and magnetic setting type complete all as specified and directed.

Supply and fix in repair on load change over switch (open execution) complete with of capacity 200 Amp, 415 Volt, 4 pole, 50 HZ complete all as specified and directed.

Supply and fix in repair on load change over switch (SS enclosure) complete with of capacity 200 Amp, 415 Volt, 4 pole, 50 HZ complete all as specified and directed.

Material and labour for 100mm thick cement concrete (1:4:8) type D2 (using 40mm graded stone aggregate) as in paving / footpath / sub stn) and finished the surface fair and even including making the surface clean by cutting any type of vegetation including demolition of old damaged existing PCC surface complete all as specified and directed.

Material and labour for loose filling with aggregates (broken stone or boulders) of gauge 63 mm, deposited, spread and levelled in layers in power houses/ electric sub stn complete all as specified and directed

Material and labour for shifting of indoor / outdoor type LT panel board of size (minimum 1.2 x 1x 0.5m and maximum 2 x1.5 x 0.6m) with all accessories after disconection of outgoing and incomming cables, earth strips etc. and taking away from existing location and re-installation on the P.C.C./ brick platform duly grouted in the new platform constructed within 15 meter from the existing location including reconnection of all outgoing and incomming cables, complete all as specified and directed. Note:PCC/brick work to be measured and paid under respective items.

Supply and fix in repair on load change over switch (SS enclosure) complete with of capacity 100 Amp, 415 Volt, 4 pole, 50 HZ complete all as specified and directed.

Supply and fix in repair lugs made of aluminium, long barrel size for LT cable size 50 sqmm x 3.5 core with E-bolt hole complete all as specified and directed.

Supply and fix in repair lugs made of aluminium, long barrel size for LT cable size 70 sqmm x 3.5 core with E-bolt hole complete all as specified and directed.

Supply and fix in repair lugs made of aluminium, long barrel size for LT cable size 95 sqmm x 3.5 core with E-bolt hole complete all as specified and directed.

Supply and fix in repair lugs made of aluminium, long barrel size for LT cable size 120 sqmm x 3.5 core with E-bolt hole complete all as specified and directed.

Supply and fix in repair lugs made of aluminium, long barrel size for LT cable size 185 sqmm x 3.5 core with E-bolt hole complete all as specified and directed.

Supply and fix in repair lugs made of aluminium, long barrel size for LT cable size 240 sqmm x 3.5 core with E-bolt hole complete all as specified and directed.

Supply and fix in repair lugs made of aluminium, long barrel size for LT cable size 400 sqmm x 4 core with E-bolt hole complete all as specified and directed.

Supply and fix in repair lugs made of copper tube terminal medium duty size for LT cable size 35 sqmm x 1 core with E-bolt hole complete all as specified and directed.

Material and labour for earthing complete with GI earth plate electrode of size 600 x 600 x 6 mm thick buried directly in ground with earth pit not less than 2.25 meter deep below ground level with top edge of plate not less than 1.5 meter below normal ground level connected to GI earth strip of size 32 x 6 mm earth lead by means of nuts, bolts, check nuts, washers of galvanised iron as steel, protected by 40 mm bore GI pipe (medium grade) all as directed including cement concrete (1:3:6) type C-1 earth pit with precast RCC (1:1.5:3) type A-1 cover slab of size 30 x 30 x 5cm thick reinforced with 8mm dia TMT bars @ 15 cm c/c both ways with 10mm dia mild steel round bar of 15 cm long, bent to shape as lifting handle, funnel, wire mesh, 20 mm bore galvanized iron pipe (medium grade) for watering, charcoal or coke and salt in alternate layers with necessary earth work in soft/loose soil complete all as shown in electrical plate No 3 of SSR Part-I including taking down existing earthing set and including testing on completion complete all as specified and directed. Note:- GI strip upto 7.5m length including testing shall be included in quoted rates.

Material and labour for earthing complete with GI earth plate electrode of size 600 x 600 x 6 mm thick buried directly in ground with earth pit not less than 2.25 meter deep below ground level with top edge of plate not less than 1.5 meter below normal ground level connected to GI wire 4 mm dia earth lead by means of nuts, bolts, check nuts, washers of galvanised iron as steel, protected by 15 mm bore GI pipe (medium grade) including cement concrete (1:3:6) type C-1 earth pit with precast RCC (1:1.5:3) type A-1 cover slab of size 30 x 30 x5 cm thick reinforced with 8mm dia TMT bars @ 15 cm c/c both ways with 10mm dia mild steel round bar of 30 cm long, bent to shape as lifting handle, funnel, wire mesh, 20 mm bore galvanized iron pipe (medium grade) for watering, earth testing point, charcoal or coke and salt in alternate layers with necessary earth work in soft/loose soil complete all as shown in electrical plate No 3 of SSR Part-I including taking down existing earthing set and including testing on completion complete all as specified and directed. Note:- GI wire upto 7.5m length including testing shall be included in quoted rates.

Supply and fix in repair galvanised iron strip of size 32 x 6mm buried in ground or fixed on wall complete all as specified and directed. Note : Joining of GI strip shall be made by welding.

Supply and fix in repair galvanised steel tubing of size 40 mm dia, light grade with all fittings, laid in trenches or fixed on wall, floor or on pole for protection of earthing strip complete all as specified and directed.

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