Extension of 11 KV DM Feeder inc construction of 3 200 KVA Sub Station for providing 3 phase service connection

Amount

SCHEDULE - A Supply

11 mtr long steel pole

8.0 mtr long PCC pole

100x100x50x6mm MS Channel

75x40x40x6mm MS Channel

65X65x6mm MS Channel

11/.415KV 50 Hz outdoor type 200 KVA D.T.

11KV Tripole Pole Gang Operated Airbreak Switch

11KV Tripole Pole Drop Out Fuse

11KV( 9KV,5KA) Lightning Arrestor

Stay Set complete

Std. Stay Wire

11KV Disc Insulator (polymeric)

11KV Polymeric Pin Insulator

LT shackle insulator (4X4.5)"

Straps with nuts & bolts

Stay insulator, HT

Stay insulator, LT

3 Core, 6.35/11 KV, 95Sq. mm. XLPE insulated Power Cable ( Havels)

ACSR( 6/1/3.35mm) Rabit

200 Amps Cut-Out

300 Amps Cut-Out

95 Sqmm PVC Wire

Lugs 95 sqmm

Nuts & Bolts ( assorted size)

GI Pipe 100 SQMM ( as per TSECL approved make)

Bracket Clamp

Stay Clamp

Chain Pulley (5 MT )

Indoor Heat Shrink type End Termination Jointing Kit for XLPE insulated Cable of grade 6.35/11 KV(E), 3-core, 95 Sq.mm. Size.

100 mm dia P80,PN6 HDPE pipe

SCHEDULE -B Erection

Detail survey, Route alignment with covering of existing DT HT line, submission of final survey with profile in details including DT, road crossing, water supply, pipe line, OFC as reqd, prepartion of survey report and uploading in the web portal after approaval of project Manager

Carriage of 8.0 m Long PCC Pole from Sub-Divisional store to work site by Handcart carriage of 2.8km, Manual cariage of 0.2 km in average etc as required including loading / unloading & stacking etc. as per direction of Engineer -in-Charge.

Carriage of 11 mtr long ST pole from Sub-Divisional store to work site by Handcart carriage of 2.8km, Manual cariage of 0.2 km in average etc as required including loading / unloading & stacking etc. as per direction of Engineer -in-Charge.

Carriage of pole from Sub-Divisional store to work site by Handcart carriage of 2.5km, Manual cariage of 0.0 km in average etc as required including loading / unloading & stacking etc. as per direction of Engineer -in-Charge.

Carriage of 200 KVA Transformer from Sub-Divisional store to works site by Mechanical carriage of 3.2km, Manual cariage of km in average etc as required including loading / unloading & stacking etc. as per direction of Engineer -in-Charge.

Erection of 8.0 mtr Long PCC Pole diect in earth in/c excavation, back filling and amming etc. (Pole should be buried 1/6th of their length)

Erection of 11 mtr long ST pole diect in earth in/c excavation, back filling and amming etc. (Pole should be buried 1/6th of their length)

Fabrication of 100X50X50X6mm / 75X40X40X6mm M S Channel as per specification & direction of the Engineer-in-Charge.

Fabrication of 65X65X6 mm / 50X50X6 mm MS Angle as per specification & direction of the Engineer-in-Charge.

Erection of MS Channel cross arms 2.8Mtr long 100X50X50X6 mm (excluding the cost of back clamp, Nuts & Bolts).

Erection of MS Channel cross arms 2.8Mtr 75X40X40X6 mm (excluding the cost of back clamp, Nuts & Bolts)

Erection of MS Channel cross arms 1.2 Mtr 75X40X40X6 mm (excluding the cost of back clamp, Nuts & Bolts)

Erection of MS Channel cross arms 2.8Mtr long 65X65X6 mm ( excluding the cost of back clamp, Nuts & Bolts).

Erection of "C" type bracket for LT 5 wire (excluding the cost of back clamp, Nuts & Bolts)

Erection of 11 KV, 200A GOS set of three nos i/c necessary connections complete as per technical specification ( excluding the cost of back clamp, Nuts & Bolts)

Erection of 11 KV, 200A DOF set of three nos i/c necessary connections complete as per technical specification ( excluding the cost of back clamp, Nuts & Bolts)

Erection of 9 KV, 5 KA single pole metal oxide gapless L A i/c necessary connection complite as per Technical specification.

Erection & commissioning of 11/0.430 KV, three Phase 200 KVA Transformer on base mounted with all necessary accessories and fittings as per technical specification

Earthing for hard,Stiff or medium clay soil(as per REC specification) of perforated GI Pipe (Medium grade) 2.5 m long and 40mm OD including earth excavation and refilling with alternate layer of Salt and charcoal, including supply of salt and charcoal,G.I Pipe, Clamps & Nuts & Bolt.

Supply of ½" of dia polythine pipe.

Erection of shackle insulator of size4"X4 1/2" with straps and bolts / U clamp on poles (excluding the cost of straps / U clamp, Nuts & bolts)

Laying and Stringing of conductor 6/1/3.35 mm ACSR DOG including laying, hoisting, binding, jumpering etc complete as required ( Single conductor per Km)

Erection of 11 KV / disc insulator along with necessary fittings ,Single disc insulator set.

Erection of 11 KV Pin insulator with G I Pin Complete

Stringing of 8-SWG G.I wire including laying hoisting binding etc. as required as per technical specification.

Supply and erection of febricated clamp of assorted size of MS flat (50X6 mm ) with double coat of red oxide primer coating and 2 (two) Nos ISI marked Machine made nut & bolts of size 16X75 mm & washer for erection of cross arm.

Supply and erection of febricated clamp pair of assorted size of MS flat (50X6 mm ) with double coat of red oxide primer coating and 2 (two) Nos ISI marked Machine made nut & bolts of size 16X75 mm & washer for erection of stay set

Erection of painted stay set complete direct in earth with 19 mm. X 1800 mm long stay rod, anchor plate of size 300 X 300 X 8 mm. thick, turn buckle , 7/3.15 mm dia G I stay stranded stay wire and strain insulator etc.

Fitting Fixing of LT cutout ( set of 3 nos) on wooden plank (preferably Korai wood ) size of 24"X10"X1.5" & cable connections with termination by lugs / thimbles complete ( i/c supply of wooden plank, screwes & MS clamp excluding cost of thimble)

Excavation of Cable entry pit and Laying and Commissioning of 3 Core, 6.35/11 KV, 95 sqmm XLPE insulated armoured Power Cable direct into earth including excavation of earth upto a depth of 1200 mm (Width of the trench 40 cm.) including 1st class brick protection of two layer flat brick soling, 300 mm. sand (River sand) cushioning and refilling and ramming the excavated soil as per direction of Engineer-in-charge and coiling of excess cable below the earth surface at a depth of minimum 1100 mm with protecting by double layer bricks soiling or as per site requirement of TSECL.

Coiling of all size TR XLPE/XLPE Insulated armoured power cable direct into earth including excavation of earth upto a depth of 1500mm ( diameter of the pit should be 1800mm or as per site requirement including 1st class brick protection of two layer flat brick soling, 300mm sand (river sand) cushionig and ramming the excavated soil as per direction of Engineer-in-charge.

Drawing and Commissioning of 3 Core, 6.35/11 KV, 95Sq. mm. XLPE insulated Power Cable through HDPE/GI pipe above ground level for risers to transformer HT side , HT over head Line, HT Feeder Pillar (KIOSK), Charra crossing, bridge crossing in/c fitting fixing of HDPE/GI pipes with necessary clamp as per the direction of Engineer-in-charge.

Drawing and Commissioning of 3 Core, 6.35/11 KV(E), 95 Sq. mm. XLPE insulated Power Cable 1100 mm below the earth surface through GI pipe by manually as per direction of Engineer-in-charge.

Jointing of Indoor Heat Shrink type End Termination Jointing Kit for XLPE insulated Cable of grade 6.35/11 KV(E), 3-core, 95 Sq.mm. Size.

Laying of 100 mm outer dia GI Pipe as per ISS 1239 of different length as per requirement of TSECL for using of cable riser to HT side/ HT overhead lines / HT feeder piller as per direction of the Engineer-in-charge.

Laying of 100 mm outer dia 100 mm dia P80,PN6 HDPE pipe of different length as per requirement of TSECL for using of cable riser to HT side/ HT overhead lines / HT feeder piller as per direction of the Engineer-in-charge.

Boring for Laying of 100 mm outer dia GI pipe direct into the earth of 1100 mm depth below the ground surface with out effecting the existing road by manually digging /drilling horizontally or diagonally direction for road crossing / Water supply line / Telecomunication line/Gas Pipe line etc. as per direction of Engineer-in-charge.

Making and Erection of T-shapped Pillar for cable line ID marking with cation ''11 KV UG line'' (made of pre-cast RCC) of size (Piller 3 ft x0.33 ft x 0.33 ft) and T-Section 1 ft x 0.33 ft x 0.33 ft) by excavating earth including required painting of the engraved caption in black ove yellow background as per technical requirement, direction of the Engineer-incharge. The Pillar shall be embadded in earth by 1.5 ft.

SCHEDULE C Civil Works

Grouting of steel tubular pole with CC of ratio 1:2:4 (1 cement : 2 river sand : 4 jhama brick aggregate of 20 mm. nominal size) ilc supply of cement, sand and brick aggregate complete with excavation, refilling of earth, ramming alongwith centering and shuttering as required (@ 0.273 Cum per Steel Tubular Pole as per TSECL specification ) etc.

M/s Bhattacharjee Construction

SANKAR CHAKRABORTY

M/S GHOSH ELECTRICAL ENGINEERING

SUDHANGSHU BHATTACHARJEE