Installation of 2x500KVA DT with construction of 2x500 KVA RCC transformer base ED Kamalpur

Amount

Uprooting & dismantling etc of the following :-

4-wire bracket of 50x50x6mm / 65x65x6mm for LT line (upto 1000 mm)

LT Shackle insulator with straps & bolts

ACSR conductor 6/1/2.59 mm (single conductor per km )

Supply of the following:

11 KV Gang Operated Switch (Polymeric Type)

11 KV polymer composite 45 KN Disc Insulator

11 KV Disc Fittings (6/1/2.59 to 6/1/3.35 & 7/3.8)

11 KV 320 mm CD polymer composite Pin Insulator

Febricated MS channel 100 X 50 X 50 X 6 mm. size.

Febricated MS channel 75 X 40 X 40 X 6 mm. size.

Febricated MS angle 65 X 65 X 6 mm. size.

Laying of GI Flat 50x6 mm size for earth conductor for earthing of Sub-station equipment from the earth electrode.

Laying of copper Flat 50x6x300 mm size for LV connection for distribution transformer.

Bi-metalic Lugs 240 sq mm

GI pipe 2.5 mtr long and 40 mm dia

60 kg salt and 55 kg charcoal (For 1 pit)

Fabricated MS flat50x6 mm for line Bkt and Stay sets with double coats of red oxide primer coating.

MS nuts & bolts (A/S) in/c washer ISI machine made

Carrying of the following:

11 KV Gang Operated Switch (Polymeric Type)

11 KV polymer composite 45 KN Disc Insulator

11 KV Disc Fittings (6/1/2.59 to 6/1/3.35 & 7/3.8)

Errection, fitting fixing, laying etc. of the following :-

Erection of 9 mtr long PCC pole at any kind of soil upto a depth of 1/6 th of the pole height in/c excavation of earth, refilling the pit with soil upto the ground level, ramming and making complete in all respect.

MS Channel cross arm, 2.2 mtr. Long 75x40x40x6 mm

6.0 mtr. long 100 X 50 X 50 X 6 mm. MS channel sub-station Top bracket including drilling of holes as required and supply with (i) 2 (two) nos. clamp of 50x6 mm. MS flat, (ii) nuts and bolts as required

3.0 mtr. long 100 X 50 X 50 X 6 mm. MS channel sub-station Top bracket including drilling of holes as required and supply with (i) 2 (two) nos. clamp of 50x6 mm. MS flat, (ii) nuts and bolts as required

6.0 mtr. long 75 X 40 X 40 X 6 mm. MS channel sub-station Top bracket including drilling of holes as required and supply with (i) 2 (two) nos. clamp of 50x6 mm. MS flat, (ii) nuts and bolts as required

3.0 mtr. long 75 X 40 X 40 X 6 mm. MS channel sub-station Top bracket including drilling of holes as required and supply with (i) 2 (two) nos. clamp of 50x6 mm. MS flat, (ii) nuts and bolts as required

6.0 mtr. long 65 X 65 X 6 mm. MS angle sub-station bracket along with drilling of holes as required for using as G.O.S Handle support and fixing including supply with (i) 2(two) nos. clamps of 50x6 mm. MS flat, (ii) nuts and bolts as required

3.0 mtr. long 65 X 65 X 6 mm. MS angle sub-station bracket along with drilling of holes as required for using as G.O.S Handle support and fixing including supply with (i) 2(two) nos. clamps of 50x6 mm. MS flat, (ii) nuts and bolts as required

Erection of 11 KV 200 Amp GOS unit set of three nos in/c necessary connection complete as per technical specification (Excluding the cost of back clamp, nuts & bolts)

Erection of 11 KV 200 Amp DOF unit set of three nos in/c necessary connection complete as per technical specification (Excluding the cost of back clamp, nuts & bolts)

11KV Single Disc Insulator with necessary fittings

11KV Pin Insulator with GI Pin

Erection of 9 KV, 5KA single pole metal oxide gapless type LA in/c necessary connection complete as per technical specification

Laying & stringing of 1 KM ( Single Conductor) ACSR 6/1/2.59 mm dia 'WEASEL' in/c hoisting & binding etc. complete as reqd.

Protective guarding / cross lacing for 415/240 volt line by GI Wire ( 8/10 SWG across road cross / river / telecom line etc. complete with spool insulator

Installation/Positioning of 11/0.430 KV, 3-phase 315 KVA to 500 KVA of Distribution Transformer on base with necessary connections & fitting fixing of all alied accessories componenets as required for making complete in all respect for energizing

Earthing with GI pipe 2.5 mtr long and 40 mm dia, in/c excavation, refilling with alternate layer of Salt & Charcoal as per drawing (exvcluding supply of GI pipe, Salt & Charcoal, GI wire, nuts & bolts etc as reqd.)

Laying of 8 SWG GI wire/GI flat at 300 mm below the ground level for earthing of sub-station equipments from the earth electrode

Fitting Fixing of LT Cut Out (Set of 3 nos) on wooden plank & cable connections with termination by lugs / thimbles complete i/c supply of wooden plank, screwes & MS Clamp excluding cost of thimble.

Painting of 9 mtr long PCC pole (8 nos) with weather coat primer paint

Painting of Sub-Station steel materials in/c sub-station fencing with red oxide (Single Coat) and Silver Paint (Double Coat)

Supply and erection of Sub-Station fencing as per approved deing & specification of the Deptt with erection of 10 (Ten) nos. 1.0 mtr long MS angle fabrication post embeded in cement concrete 1:2:4 ( 1 cement: 2 river sand: 4 jamabrick aggregate of 20 mm nominal size) block of size 30x30x50 cm , the fencing should be provided with hard drone between two posts. The vertical distance between two horizontal turn should not be more than 225 mm the area covered by febcing would be 12 mtr X 6 mtr. Fabrication of MS angle post and placing of posts will be done as per direction of Engineer-in-charge. Provision of door with 2 (Two) shutters made by angle frame (50x50x6) mm MS angle and 50x6 mm MS flat of size 1.8 mtr X 0.75 mtr each with locking arrangement i/c necessary welded joints of flats in the frame for making door as per direction of Engg-in-charge

Providing 3-ph s/connection with laying PVC cable from nearby electric pole to premises upto 35 mtr in length supported by GI wire, Reel insulator in/c fitting and fixing of energy meter, cutout as reqd.

Constraction of 2 X 500 KVA RCC Transformer Base ( 5.25X3.05) mtr

Earth work in excavation in foundation trenches or drains (not exceeding 1.5 m in width or 10 sqm on plan) including dressing of sides and ramming of bottoms, lift upto 1.5 m, including getting out the excavated soil and disposal of surplus excavated soil as directed, within a lead of 50 m. (a) All kinds of soil. By manual means

Supplying and filling in plinth, under floor, foundations etc. with sand (fine) from local quarry with all lifts including spreading in horizontal layers, watering, grading to required slope, ramming, consolidating and compacting each layer by using plate compactor or by any suitable method complete.

Providing and laying in position cement concrete of specified grade excluding the cost of centring and shuttering. (a) All work upto plinth level: 1:5:10 ( 1 Cement: 5 fine sand : 10 graded well burnt brick aggregate 40 mm nominal size)

Providing and laying in position specified grade of reinforced cement concrete excluding the cost of centring, shuttering, finishing and reinforcement. (a) All work upto plinth level: 1:2:4 ( 1 Cement: 2 fine sand : 4 graded well burnt brick aggregate 20 mm nominal size)

Filling available excavated earth (excluding rock) in trenches, plinth, sides of foundations etc. in layers not exceeding 20cm in depth, consolidating each deposited layer by ramming and watering, lead up to 50 m and lift upto 1.5 m. (a)All kinds of soil

Reinforced cement concrete work in walls (any thickness), including attached pilasters, buttresses, plinth and skirting courses, fillets, columns, pillars, piers, abutments, posts and struts etc. upto floor five level excluding cost of centring, shuttering, finishing and reinforcement. (a)In plinth and skirting courses, fillets, columns, pillars, posts and struts: 1:2:4 ( 1 Cement: 2 fine sand : 4 graded well burnt brick aggregate 20 mm nominal size)

Reinforced cement concrete work in beams, suspended floors, roofs having slope upto 15° landings, balconies, shelves, chajjas, lintels, bands, plain window sills, staircases and spiral stair cases upto floor five level excluding the cost of centring, shuttering, finishing and reinforcement. (a)RCC work in beams, lintels, bands, plain window sills, staircases and spiral staircases excluding precast spiral staircase. 1:2:4 ( 1 Cement: 2 fine sand : 4 graded well burnt brick aggregate 20 mm nominal size)

Reinforced cement concrete work in beams, suspended floors, roofs having slope upto 15° landings, balconies, shelves, chajjas, lintels, bands, plain window sills, staircases and spiral stair cases upto floor five level excluding the cost of centring, shuttering, finishing and reinforcement. (a)RCC work in suspended floors, roofs having slope upto 15° landings, balconies, shelves and chajjas. 1:2:4 ( 1 Cement: 2 fine sand : 4 graded well burnt brick aggregate 20 mm nominal size)

Reinforcement for R.C.C. work including straightening, cutting, bending, placing in position and binding all complete upto floor five levelThermo-Mechanically Treated bars/ Cold twisted deformed steel bars.

Centering shuttering including struttings, propping etc. and removal of form work for:

(a) Foundations, footings, bases for columns etc. for mass concrete with timber plank

(b) Columns, Pillars, Piers, Abutments, Posts and Struts with wooden plank

(c) Lintels, beams, plinth beams, girders, bressumers and cantilevers with wooden plank

(d) Suspended floors, roofs, landings, balconies and access platform with timber planks.

First class brick work in foundation and plinth including cost of all materials as required complete:- (a)In cement mortar 1:4 ( 1 cement : 4 fine sand ).

12 mm cement plaster in single layer including cost of materials required and finishing even and smooth and curing complete. (a)In cement mortar 1 : 4 ( 1 cement : 4 fine sand )

Providing structural steel work in single section fixed with or without connecting plate including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer all complete as required. (a)In tees, angles, channels & Flats

Providing and fixing hard drawn steel wire fabric 75 x 25 mm mesh of weight not less than 7.75 Kg per sqm to window frames etc. including 62 x 19 mm beading of Gamair wood.

Applying priming coat: (a)With ready mixed red oxide zinc chromate primer of approved brand and manufacture on steel, galvanised iron / steel work.

Painting with Aluminium paint ( two or more coats ) of approved brand and manufacture on new work to give an even shade.

Neat cement punning.

Asish Debnath

RATAN PAUL